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-rw-r--r--drivers/clk/Kconfig13
-rw-r--r--drivers/clk/Makefile1
-rw-r--r--drivers/clk/axs10x/Makefile1
-rw-r--r--drivers/clk/axs10x/pll_clock.c346
-rw-r--r--drivers/clk/berlin/bg2.c3
-rw-r--r--drivers/clk/berlin/bg2q.c7
-rw-r--r--drivers/clk/clk-asm9260.c4
-rw-r--r--drivers/clk/clk-conf.c16
-rw-r--r--drivers/clk/clk-fractional-divider.c28
-rw-r--r--drivers/clk/clk-gemini.c21
-rw-r--r--drivers/clk/clk-hsdk-pll.c431
-rw-r--r--drivers/clk/clk-moxart.c16
-rw-r--r--drivers/clk/clk-qoriq.c26
-rw-r--r--drivers/clk/clk-stm32f4.c4
-rw-r--r--drivers/clk/clk-versaclock5.c172
-rw-r--r--drivers/clk/clk-xgene.c15
-rw-r--r--drivers/clk/clk.c4
-rw-r--r--drivers/clk/clkdev.c4
-rw-r--r--drivers/clk/imx/clk-imx6sl.c6
-rw-r--r--drivers/clk/imx/clk-imx6sx.c6
-rw-r--r--drivers/clk/imx/clk-imx6ul.c6
-rw-r--r--drivers/clk/imx/clk-imx7d.c4
-rw-r--r--drivers/clk/imx/clk-vf610.c2
-rw-r--r--drivers/clk/keystone/sci-clk.c66
-rw-r--r--drivers/clk/mediatek/clk-cpumux.c6
-rw-r--r--drivers/clk/mediatek/clk-mtk.c2
-rw-r--r--drivers/clk/mediatek/reset.c2
-rw-r--r--drivers/clk/meson/Kconfig1
-rw-r--r--drivers/clk/meson/Makefile2
-rw-r--r--drivers/clk/meson/clk-mpll.c7
-rw-r--r--drivers/clk/meson/clkc.h1
-rw-r--r--drivers/clk/meson/gxbb-aoclk-32k.c194
-rw-r--r--drivers/clk/meson/gxbb-aoclk-regmap.c46
-rw-r--r--drivers/clk/meson/gxbb-aoclk.c65
-rw-r--r--drivers/clk/meson/gxbb-aoclk.h42
-rw-r--r--drivers/clk/meson/gxbb.c194
-rw-r--r--drivers/clk/meson/gxbb.h125
-rw-r--r--drivers/clk/meson/meson8b.c165
-rw-r--r--drivers/clk/meson/meson8b.h112
-rw-r--r--drivers/clk/mmp/clk.c2
-rw-r--r--drivers/clk/qcom/clk-smd-rpm.c2
-rw-r--r--drivers/clk/qcom/gcc-msm8916.c2
-rw-r--r--drivers/clk/qcom/gcc-msm8996.c28
-rw-r--r--drivers/clk/renesas/Kconfig48
-rw-r--r--drivers/clk/renesas/Makefile2
-rw-r--r--drivers/clk/renesas/clk-div6.c3
-rw-r--r--drivers/clk/renesas/clk-mstp.c2
-rw-r--r--drivers/clk/renesas/clk-rcar-gen2.c3
-rw-r--r--drivers/clk/renesas/r8a7792-cpg-mssr.c7
-rw-r--r--drivers/clk/renesas/r8a7795-cpg-mssr.c34
-rw-r--r--drivers/clk/renesas/r8a7796-cpg-mssr.c35
-rw-r--r--drivers/clk/renesas/r8a77995-cpg-mssr.c236
-rw-r--r--drivers/clk/renesas/rcar-gen3-cpg.c69
-rw-r--r--drivers/clk/renesas/rcar-gen3-cpg.h15
-rw-r--r--drivers/clk/renesas/rcar-usb2-clock-sel.c188
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.c6
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.h1
-rw-r--r--drivers/clk/rockchip/clk-rk3128.c69
-rw-r--r--drivers/clk/rockchip/clk-rk3228.c2
-rw-r--r--drivers/clk/rockchip/clk-rv1108.c462
-rw-r--r--drivers/clk/rockchip/clk.c36
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c8
-rw-r--r--drivers/clk/samsung/clk-exynos5420.c39
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun5i.c5
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun6i-a31.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-a23.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-a33.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-h3.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-r.c3
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-v3s.c3
-rw-r--r--drivers/clk/sunxi/clk-sun8i-bus-gates.c4
-rw-r--r--drivers/clk/sunxi/clk-sunxi.c17
-rw-r--r--drivers/clk/tegra/clk-emc.c12
-rw-r--r--drivers/clk/tegra/clk-pll.c159
-rw-r--r--drivers/clk/tegra/clk-tegra-periph.c3
-rw-r--r--drivers/clk/tegra/clk-tegra-super-gen4.c11
-rw-r--r--drivers/clk/tegra/clk-tegra210.c32
-rw-r--r--drivers/clk/tegra/clk.h6
-rw-r--r--drivers/clk/ti/adpll.c2
-rw-r--r--drivers/clk/ti/apll.c2
-rw-r--r--drivers/clk/ti/clockdomain.c4
-rw-r--r--drivers/clk/ti/fapll.c4
-rw-r--r--drivers/clk/uniphier/clk-uniphier-core.c16
-rw-r--r--drivers/clk/uniphier/clk-uniphier-mio.c4
-rw-r--r--drivers/clk/uniphier/clk-uniphier-sys.c50
-rw-r--r--drivers/clk/uniphier/clk-uniphier.h3
-rw-r--r--drivers/clk/ux500/clk-prcc.c6
-rw-r--r--drivers/clk/ux500/clk-prcmu.c14
-rw-r--r--drivers/clk/ux500/clk-sysctrl.c8
-rw-r--r--drivers/clk/versatile/clk-vexpress-osc.c2
-rw-r--r--drivers/clk/x86/clk-pmc-atom.c7
-rw-r--r--drivers/clk/zte/clk-zx296718.c6
92 files changed, 3041 insertions, 819 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 68ca2d9fcd73..fdc99082a343 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -31,6 +31,13 @@ config COMMON_CLK_WM831X
source "drivers/clk/versatile/Kconfig"
+config CLK_HSDK
+ bool "PLL Driver for HSDK platform"
+ depends on OF || COMPILE_TEST
+ ---help---
+ This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs
+ control.
+
config COMMON_CLK_MAX77686
tristate "Clock driver for Maxim 77620/77686/77802 MFD"
depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
@@ -210,14 +217,14 @@ config COMMON_CLK_OXNAS
Support for the OXNAS SoC Family clocks.
config COMMON_CLK_VC5
- tristate "Clock driver for IDT VersaClock5 devices"
+ tristate "Clock driver for IDT VersaClock 5,6 devices"
depends on I2C
depends on OF
select REGMAP_I2C
help
---help---
- This driver supports the IDT VersaClock5 programmable clock
- generator.
+ This driver supports the IDT VersaClock 5 and VersaClock 6
+ programmable clock generators.
source "drivers/clk/bcm/Kconfig"
source "drivers/clk/hisilicon/Kconfig"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index cd376b3fb47a..72e7c0eef32f 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o
obj-$(CONFIG_ARCH_EFM32) += clk-efm32gg.o
obj-$(CONFIG_COMMON_CLK_GEMINI) += clk-gemini.o
obj-$(CONFIG_ARCH_HIGHBANK) += clk-highbank.o
+obj-$(CONFIG_CLK_HSDK) += clk-hsdk-pll.o
obj-$(CONFIG_COMMON_CLK_MAX77686) += clk-max77686.o
obj-$(CONFIG_ARCH_MB86S7X) += clk-mb86s7x.o
obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o
diff --git a/drivers/clk/axs10x/Makefile b/drivers/clk/axs10x/Makefile
index 01996b871b06..d747deafbf1e 100644
--- a/drivers/clk/axs10x/Makefile
+++ b/drivers/clk/axs10x/Makefile
@@ -1 +1,2 @@
obj-y += i2s_pll_clock.o
+obj-y += pll_clock.o
diff --git a/drivers/clk/axs10x/pll_clock.c b/drivers/clk/axs10x/pll_clock.c
new file mode 100644
index 000000000000..25d8c240ddfb
--- /dev/null
+++ b/drivers/clk/axs10x/pll_clock.c
@@ -0,0 +1,346 @@
+/*
+ * Synopsys AXS10X SDP Generic PLL clock driver
+ *
+ * Copyright (C) 2017 Synopsys
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+
+/* PLL registers addresses */
+#define PLL_REG_IDIV 0x0
+#define PLL_REG_FBDIV 0x4
+#define PLL_REG_ODIV 0x8
+
+/*
+ * Bit fields of the PLL IDIV/FBDIV/ODIV registers:
+ * ________________________________________________________________________
+ * |31 15| 14 | 13 | 12 |11 6|5 0|
+ * |-------RESRVED------|-NOUPDATE-|-BYPASS-|-EDGE-|--HIGHTIME--|--LOWTIME--|
+ * |____________________|__________|________|______|____________|___________|
+ *
+ * Following macros determine the way of access to these registers
+ * They should be set up only using the macros.
+ * reg should be an u32 variable.
+ */
+
+#define PLL_REG_GET_LOW(reg) \
+ (((reg) & (0x3F << 0)) >> 0)
+#define PLL_REG_GET_HIGH(reg) \
+ (((reg) & (0x3F << 6)) >> 6)
+#define PLL_REG_GET_EDGE(reg) \
+ (((reg) & (BIT(12))) ? 1 : 0)
+#define PLL_REG_GET_BYPASS(reg) \
+ (((reg) & (BIT(13))) ? 1 : 0)
+#define PLL_REG_GET_NOUPD(reg) \
+ (((reg) & (BIT(14))) ? 1 : 0)
+#define PLL_REG_GET_PAD(reg) \
+ (((reg) & (0x1FFFF << 15)) >> 15)
+
+#define PLL_REG_SET_LOW(reg, value) \
+ { reg |= (((value) & 0x3F) << 0); }
+#define PLL_REG_SET_HIGH(reg, value) \
+ { reg |= (((value) & 0x3F) << 6); }
+#define PLL_REG_SET_EDGE(reg, value) \
+ { reg |= (((value) & 0x01) << 12); }
+#define PLL_REG_SET_BYPASS(reg, value) \
+ { reg |= (((value) & 0x01) << 13); }
+#define PLL_REG_SET_NOUPD(reg, value) \
+ { reg |= (((value) & 0x01) << 14); }
+#define PLL_REG_SET_PAD(reg, value) \
+ { reg |= (((value) & 0x1FFFF) << 15); }
+
+#define PLL_LOCK BIT(0)
+#define PLL_ERROR BIT(1)
+#define PLL_MAX_LOCK_TIME 100 /* 100 us */
+
+struct axs10x_pll_cfg {
+ u32 rate;
+ u32 idiv;
+ u32 fbdiv;
+ u32 odiv;
+};
+
+static const struct axs10x_pll_cfg arc_pll_cfg[] = {
+ { 33333333, 1, 1, 1 },
+ { 50000000, 1, 30, 20 },
+ { 75000000, 2, 45, 10 },
+ { 90000000, 2, 54, 10 },
+ { 100000000, 1, 30, 10 },
+ { 125000000, 2, 45, 6 },
+ {}
+};
+
+static const struct axs10x_pll_cfg pgu_pll_cfg[] = {
+ { 25200000, 1, 84, 90 },
+ { 50000000, 1, 100, 54 },
+ { 74250000, 1, 44, 16 },
+ {}
+};
+
+struct axs10x_pll_clk {
+ struct clk_hw hw;
+ void __iomem *base;
+ void __iomem *lock;
+ const struct axs10x_pll_cfg *pll_cfg;
+ struct device *dev;
+};
+
+static inline void axs10x_pll_write(struct axs10x_pll_clk *clk, u32 reg,
+ u32 val)
+{
+ iowrite32(val, clk->base + reg);
+}
+
+static inline u32 axs10x_pll_read(struct axs10x_pll_clk *clk, u32 reg)
+{
+ return ioread32(clk->base + reg);
+}
+
+static inline struct axs10x_pll_clk *to_axs10x_pll_clk(struct clk_hw *hw)
+{
+ return container_of(hw, struct axs10x_pll_clk, hw);
+}
+
+static inline u32 axs10x_div_get_value(u32 reg)
+{
+ if (PLL_REG_GET_BYPASS(reg))
+ return 1;
+
+ return PLL_REG_GET_HIGH(reg) + PLL_REG_GET_LOW(reg);
+}
+
+static inline u32 axs10x_encode_div(unsigned int id, int upd)
+{
+ u32 div = 0;
+
+ PLL_REG_SET_LOW(div, (id % 2 == 0) ? id >> 1 : (id >> 1) + 1);
+ PLL_REG_SET_HIGH(div, id >> 1);
+ PLL_REG_SET_EDGE(div, id % 2);
+ PLL_REG_SET_BYPASS(div, id == 1 ? 1 : 0);
+ PLL_REG_SET_NOUPD(div, upd == 0 ? 1 : 0);
+
+ return div;
+}
+
+static unsigned long axs10x_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ u64 rate;
+ u32 idiv, fbdiv, odiv;
+ struct axs10x_pll_clk *clk = to_axs10x_pll_clk(hw);
+
+ idiv = axs10x_div_get_value(axs10x_pll_read(clk, PLL_REG_IDIV));
+ fbdiv = axs10x_div_get_value(axs10x_pll_read(clk, PLL_REG_FBDIV));
+ odiv = axs10x_div_get_value(axs10x_pll_read(clk, PLL_REG_ODIV));
+
+ rate = (u64)parent_rate * fbdiv;
+ do_div(rate, idiv * odiv);
+
+ return rate;
+}
+
+static long axs10x_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ int i;
+ long best_rate;
+ struct axs10x_pll_clk *clk = to_axs10x_pll_clk(hw);
+ const struct axs10x_pll_cfg *pll_cfg = clk->pll_cfg;
+
+ if (pll_cfg[0].rate == 0)
+ return -EINVAL;
+
+ best_rate = pll_cfg[0].rate;
+
+ for (i = 1; pll_cfg[i].rate != 0; i++) {
+ if (abs(rate - pll_cfg[i].rate) < abs(rate - best_rate))
+ best_rate = pll_cfg[i].rate;
+ }
+
+ return best_rate;
+}
+
+static int axs10x_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ int i;
+ struct axs10x_pll_clk *clk = to_axs10x_pll_clk(hw);
+ const struct axs10x_pll_cfg *pll_cfg = clk->pll_cfg;
+
+ for (i = 0; pll_cfg[i].rate != 0; i++) {
+ if (pll_cfg[i].rate == rate) {
+ axs10x_pll_write(clk, PLL_REG_IDIV,
+ axs10x_encode_div(pll_cfg[i].idiv, 0));
+ axs10x_pll_write(clk, PLL_REG_FBDIV,
+ axs10x_encode_div(pll_cfg[i].fbdiv, 0));
+ axs10x_pll_write(clk, PLL_REG_ODIV,
+ axs10x_encode_div(pll_cfg[i].odiv, 1));
+
+ /*
+ * Wait until CGU relocks and check error status.
+ * If after timeout CGU is unlocked yet return error
+ */
+ udelay(PLL_MAX_LOCK_TIME);
+ if (!(ioread32(clk->lock) & PLL_LOCK))
+ return -ETIMEDOUT;
+
+ if (ioread32(clk->lock) & PLL_ERROR)
+ return -EINVAL;
+
+ return 0;
+ }
+ }
+
+ dev_err(clk->dev, "invalid rate=%ld, parent_rate=%ld\n", rate,
+ parent_rate);
+ return -EINVAL;
+}
+
+static const struct clk_ops axs10x_pll_ops = {
+ .recalc_rate = axs10x_pll_recalc_rate,
+ .round_rate = axs10x_pll_round_rate,
+ .set_rate = axs10x_pll_set_rate,
+};
+
+static int axs10x_pll_clk_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ const char *parent_name;
+ struct axs10x_pll_clk *pll_clk;
+ struct resource *mem;
+ struct clk_init_data init = { };
+ int ret;
+
+ pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL);
+ if (!pll_clk)
+ return -ENOMEM;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ pll_clk->base = devm_ioremap_resource(dev, mem);
+ if (IS_ERR(pll_clk->base))
+ return PTR_ERR(pll_clk->base);
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ pll_clk->lock = devm_ioremap_resource(dev, mem);
+ if (IS_ERR(pll_clk->lock))
+ return PTR_ERR(pll_clk->lock);
+
+ init.name = dev->of_node->name;
+ init.ops = &axs10x_pll_ops;
+ parent_name = of_clk_get_parent_name(dev->of_node, 0);
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ pll_clk->hw.init = &init;
+ pll_clk->dev = dev;
+ pll_clk->pll_cfg = of_device_get_match_data(dev);
+
+ if (!pll_clk->pll_cfg) {
+ dev_err(dev, "No OF match data provided\n");
+ return -EINVAL;
+ }
+
+ ret = devm_clk_hw_register(dev, &pll_clk->hw);
+ if (ret) {
+ dev_err(dev, "failed to register %s clock\n", init.name);
+ return ret;
+ }
+
+ return of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get,
+ &pll_clk->hw);
+}
+
+static int axs10x_pll_clk_remove(struct platform_device *pdev)
+{
+ of_clk_del_provider(pdev->dev.of_node);
+ return 0;
+}
+
+static void __init of_axs10x_pll_clk_setup(struct device_node *node)
+{
+ const char *parent_name;
+ struct axs10x_pll_clk *pll_clk;
+ struct clk_init_data init = { };
+ int ret;
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (!pll_clk)
+ return;
+
+ pll_clk->base = of_iomap(node, 0);
+ if (!pll_clk->base) {
+ pr_err("failed to map pll div registers\n");
+ goto err_free_pll_clk;
+ }
+
+ pll_clk->lock = of_iomap(node, 1);
+ if (!pll_clk->lock) {
+ pr_err("failed to map pll lock register\n");
+ goto err_unmap_base;
+ }
+
+ init.name = node->name;
+ init.ops = &axs10x_pll_ops;
+ parent_name = of_clk_get_parent_name(node, 0);
+ init.parent_names = &parent_name;
+ init.num_parents = parent_name ? 1 : 0;
+ pll_clk->hw.init = &init;
+ pll_clk->pll_cfg = arc_pll_cfg;
+
+ ret = clk_hw_register(NULL, &pll_clk->hw);
+ if (ret) {
+ pr_err("failed to register %s clock\n", node->name);
+ goto err_unmap_lock;
+ }
+
+ ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, &pll_clk->hw);
+ if (ret) {
+ pr_err("failed to add hw provider for %s clock\n", node->name);
+ goto err_unregister_clk;
+ }
+
+ return;
+
+err_unregister_clk:
+ clk_hw_unregister(&pll_clk->hw);
+err_unmap_lock:
+ iounmap(pll_clk->lock);
+err_unmap_base:
+ iounmap(pll_clk->base);
+err_free_pll_clk:
+ kfree(pll_clk);
+}
+CLK_OF_DECLARE(axs10x_pll_clock, "snps,axs10x-arc-pll-clock",
+ of_axs10x_pll_clk_setup);
+
+static const struct of_device_id axs10x_pll_clk_id[] = {
+ { .compatible = "snps,axs10x-pgu-pll-clock", .data = &pgu_pll_cfg},
+ { }
+};
+MODULE_DEVICE_TABLE(of, axs10x_pll_clk_id);
+
+static struct platform_driver axs10x_pll_clk_driver = {
+ .driver = {
+ .name = "axs10x-pll-clock",
+ .of_match_table = axs10x_pll_clk_id,
+ },
+ .probe = axs10x_pll_clk_probe,
+ .remove = axs10x_pll_clk_remove,
+};
+builtin_platform_driver(axs10x_pll_clk_driver);
+
+MODULE_AUTHOR("Vlad Zakharov <vzakhar@synopsys.com>");
+MODULE_DESCRIPTION("Synopsys AXS10X SDP Generic PLL Clock Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/berlin/bg2.c b/drivers/clk/berlin/bg2.c
index 1d99292e2039..e7331ace0337 100644
--- a/drivers/clk/berlin/bg2.c
+++ b/drivers/clk/berlin/bg2.c
@@ -679,8 +679,7 @@ static void __init berlin2_clock_setup(struct device_node *np)
if (!IS_ERR(hws[n]))
continue;
- pr_err("%s: Unable to register leaf clock %d\n",
- np->full_name, n);
+ pr_err("%pOF: Unable to register leaf clock %d\n", np, n);
goto bg2_fail;
}
diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c
index 3b784b593afd..67c270b143f7 100644
--- a/drivers/clk/berlin/bg2q.c
+++ b/drivers/clk/berlin/bg2q.c
@@ -304,14 +304,14 @@ static void __init berlin2q_clock_setup(struct device_node *np)
gbase = of_iomap(parent_np, 0);
if (!gbase) {
- pr_err("%s: Unable to map global base\n", np->full_name);
+ pr_err("%pOF: Unable to map global base\n", np);
return;
}
/* BG2Q CPU PLL is not part of global registers */
cpupll_base = of_iomap(parent_np, 1);
if (!cpupll_base) {
- pr_err("%s: Unable to map cpupll base\n", np->full_name);
+ pr_err("%pOF: Unable to map cpupll base\n", np);
iounmap(gbase);
return;
}
@@ -376,8 +376,7 @@ static void __init berlin2q_clock_setup(struct device_node *np)
if (!IS_ERR(hws[n]))
continue;
- pr_err("%s: Unable to register leaf clock %d\n",
- np->full_name, n);
+ pr_err("%pOF: Unable to register leaf clock %d\n", np, n);
goto bg2q_fail;
}
diff --git a/drivers/clk/clk-asm9260.c b/drivers/clk/clk-asm9260.c
index ea8568536193..bf0582cbbf38 100644
--- a/drivers/clk/clk-asm9260.c
+++ b/drivers/clk/clk-asm9260.c
@@ -338,8 +338,8 @@ static void __init asm9260_acc_init(struct device_node *np)
if (!IS_ERR(hws[n]))
continue;
- pr_err("%s: Unable to register leaf clock %d\n",
- np->full_name, n);
+ pr_err("%pOF: Unable to register leaf clock %d\n",
+ np, n);
goto fail;
}
diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c
index 7ec36722f8ab..49819b546134 100644
--- a/drivers/clk/clk-conf.c
+++ b/drivers/clk/clk-conf.c
@@ -23,8 +23,8 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
num_parents = of_count_phandle_with_args(node, "assigned-clock-parents",
"#clock-cells");
if (num_parents == -EINVAL)
- pr_err("clk: invalid value of clock-parents property at %s\n",
- node->full_name);
+ pr_err("clk: invalid value of clock-parents property at %pOF\n",
+ node);
for (index = 0; index < num_parents; index++) {
rc = of_parse_phandle_with_args(node, "assigned-clock-parents",
@@ -41,8 +41,8 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
pclk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(pclk)) {
if (PTR_ERR(pclk) != -EPROBE_DEFER)
- pr_warn("clk: couldn't get parent clock %d for %s\n",
- index, node->full_name);
+ pr_warn("clk: couldn't get parent clock %d for %pOF\n",
+ index, node);
return PTR_ERR(pclk);
}
@@ -57,8 +57,8 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
clk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(clk)) {
if (PTR_ERR(clk) != -EPROBE_DEFER)
- pr_warn("clk: couldn't get assigned clock %d for %s\n",
- index, node->full_name);
+ pr_warn("clk: couldn't get assigned clock %d for %pOF\n",
+ index, node);
rc = PTR_ERR(clk);
goto err;
}
@@ -102,8 +102,8 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier)
clk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(clk)) {
if (PTR_ERR(clk) != -EPROBE_DEFER)
- pr_warn("clk: couldn't get clock %d for %s\n",
- index, node->full_name);
+ pr_warn("clk: couldn't get clock %d for %pOF\n",
+ index, node);
return PTR_ERR(clk);
}
diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c
index aab904618eb6..fdf625fb10fa 100644
--- a/drivers/clk/clk-fractional-divider.c
+++ b/drivers/clk/clk-fractional-divider.c
@@ -49,16 +49,12 @@ static unsigned long clk_fd_recalc_rate(struct clk_hw *hw,
return ret;
}
-static long clk_fd_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static void clk_fd_general_approximation(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate,
+ unsigned long *m, unsigned long *n)
{
struct clk_fractional_divider *fd = to_clk_fd(hw);
unsigned long scale;
- unsigned long m, n;
- u64 ret;
-
- if (!rate || rate >= *parent_rate)
- return *parent_rate;
/*
* Get rate closer to *parent_rate to guarantee there is no overflow
@@ -71,7 +67,23 @@ static long clk_fd_round_rate(struct clk_hw *hw, unsigned long rate,
rational_best_approximation(rate, *parent_rate,
GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),
- &m, &n);
+ m, n);
+}
+
+static long clk_fd_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct clk_fractional_divider *fd = to_clk_fd(hw);
+ unsigned long m, n;
+ u64 ret;
+
+ if (!rate || rate >= *parent_rate)
+ return *parent_rate;
+
+ if (fd->approximation)
+ fd->approximation(hw, rate, parent_rate, &m, &n);
+ else
+ clk_fd_general_approximation(hw, rate, parent_rate, &m, &n);
ret = (u64)*parent_rate * m;
do_div(ret, n);
diff --git a/drivers/clk/clk-gemini.c b/drivers/clk/clk-gemini.c
index c391a49aaaff..f940e5af845b 100644
--- a/drivers/clk/clk-gemini.c
+++ b/drivers/clk/clk-gemini.c
@@ -37,7 +37,6 @@ static DEFINE_SPINLOCK(gemini_clk_lock);
#define GEMINI_GLOBAL_MISC_CONTROL 0x30
#define PCI_CLK_66MHZ BIT(18)
-#define PCI_CLK_OE BIT(17)
#define GEMINI_GLOBAL_CLOCK_CONTROL 0x34
#define PCI_CLKRUN_EN BIT(16)
@@ -159,9 +158,6 @@ static int gemini_pci_enable(struct clk_hw *hw)
regmap_update_bits(pciclk->map, GEMINI_GLOBAL_CLOCK_CONTROL,
0, PCI_CLKRUN_EN);
- regmap_update_bits(pciclk->map,
- GEMINI_GLOBAL_MISC_CONTROL,
- 0, PCI_CLK_OE);
return 0;
}
@@ -169,9 +165,6 @@ static void gemini_pci_disable(struct clk_hw *hw)
{
struct clk_gemini_pci *pciclk = to_pciclk(hw);
- regmap_update_bits(pciclk->map,
- GEMINI_GLOBAL_MISC_CONTROL,
- PCI_CLK_OE, 0);
regmap_update_bits(pciclk->map, GEMINI_GLOBAL_CLOCK_CONTROL,
PCI_CLKRUN_EN, 0);
}
@@ -237,6 +230,18 @@ static int gemini_reset(struct reset_controller_dev *rcdev,
BIT(GEMINI_RESET_CPU1) | BIT(id));
}
+static int gemini_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ return 0;
+}
+
+static int gemini_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ return 0;
+}
+
static int gemini_reset_status(struct reset_controller_dev *rcdev,
unsigned long id)
{
@@ -253,6 +258,8 @@ static int gemini_reset_status(struct reset_controller_dev *rcdev,
static const struct reset_control_ops gemini_reset_ops = {
.reset = gemini_reset,
+ .assert = gemini_reset_assert,
+ .deassert = gemini_reset_deassert,
.status = gemini_reset_status,
};
diff --git a/drivers/clk/clk-hsdk-pll.c b/drivers/clk/clk-hsdk-pll.c
new file mode 100644
index 000000000000..bbf237173b37
--- /dev/null
+++ b/drivers/clk/clk-hsdk-pll.c
@@ -0,0 +1,431 @@
+/*
+ * Synopsys HSDK SDP Generic PLL clock driver
+ *
+ * Copyright (C) 2017 Synopsys
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#define CGU_PLL_CTRL 0x000 /* ARC PLL control register */
+#define CGU_PLL_STATUS 0x004 /* ARC PLL status register */
+#define CGU_PLL_FMEAS 0x008 /* ARC PLL frequency measurement register */
+#define CGU_PLL_MON 0x00C /* ARC PLL monitor register */
+
+#define CGU_PLL_CTRL_ODIV_SHIFT 2
+#define CGU_PLL_CTRL_IDIV_SHIFT 4
+#define CGU_PLL_CTRL_FBDIV_SHIFT 9
+#define CGU_PLL_CTRL_BAND_SHIFT 20
+
+#define CGU_PLL_CTRL_ODIV_MASK GENMASK(3, CGU_PLL_CTRL_ODIV_SHIFT)
+#define CGU_PLL_CTRL_IDIV_MASK GENMASK(8, CGU_PLL_CTRL_IDIV_SHIFT)
+#define CGU_PLL_CTRL_FBDIV_MASK GENMASK(15, CGU_PLL_CTRL_FBDIV_SHIFT)
+
+#define CGU_PLL_CTRL_PD BIT(0)
+#define CGU_PLL_CTRL_BYPASS BIT(1)
+
+#define CGU_PLL_STATUS_LOCK BIT(0)
+#define CGU_PLL_STATUS_ERR BIT(1)
+
+#define HSDK_PLL_MAX_LOCK_TIME 100 /* 100 us */
+
+#define CGU_PLL_SOURCE_MAX 1
+
+#define CORE_IF_CLK_THRESHOLD_HZ 500000000
+#define CREG_CORE_IF_CLK_DIV_1 0x0
+#define CREG_CORE_IF_CLK_DIV_2 0x1
+
+struct hsdk_pll_cfg {
+ u32 rate;
+ u32 idiv;
+ u32 fbdiv;
+ u32 odiv;
+ u32 band;
+};
+
+static const struct hsdk_pll_cfg asdt_pll_cfg[] = {
+ { 100000000, 0, 11, 3, 0 },
+ { 133000000, 0, 15, 3, 0 },
+ { 200000000, 1, 47, 3, 0 },
+ { 233000000, 1, 27, 2, 0 },
+ { 300000000, 1, 35, 2, 0 },
+ { 333000000, 1, 39, 2, 0 },
+ { 400000000, 1, 47, 2, 0 },
+ { 500000000, 0, 14, 1, 0 },
+ { 600000000, 0, 17, 1, 0 },
+ { 700000000, 0, 20, 1, 0 },
+ { 800000000, 0, 23, 1, 0 },
+ { 900000000, 1, 26, 0, 0 },
+ { 1000000000, 1, 29, 0, 0 },
+ { 1100000000, 1, 32, 0, 0 },
+ { 1200000000, 1, 35, 0, 0 },
+ { 1300000000, 1, 38, 0, 0 },
+ { 1400000000, 1, 41, 0, 0 },
+ { 1500000000, 1, 44, 0, 0 },
+ { 1600000000, 1, 47, 0, 0 },
+ {}
+};
+
+static const struct hsdk_pll_cfg hdmi_pll_cfg[] = {
+ { 297000000, 0, 21, 2, 0 },
+ { 540000000, 0, 19, 1, 0 },
+ { 594000000, 0, 21, 1, 0 },
+ {}
+};
+
+struct hsdk_pll_clk {
+ struct clk_hw hw;
+ void __iomem *regs;
+ void __iomem *spec_regs;
+ const struct hsdk_pll_devdata *pll_devdata;
+ struct device *dev;
+};
+
+struct hsdk_pll_devdata {
+ const struct hsdk_pll_cfg *pll_cfg;
+ int (*update_rate)(struct hsdk_pll_clk *clk, unsigned long rate,
+ const struct hsdk_pll_cfg *cfg);
+};
+
+static int hsdk_pll_core_update_rate(struct hsdk_pll_clk *, unsigned long,
+ const struct hsdk_pll_cfg *);
+static int hsdk_pll_comm_update_rate(struct hsdk_pll_clk *, unsigned long,
+ const struct hsdk_pll_cfg *);
+
+static const struct hsdk_pll_devdata core_pll_devdata = {
+ .pll_cfg = asdt_pll_cfg,
+ .update_rate = hsdk_pll_core_update_rate,
+};
+
+static const struct hsdk_pll_devdata sdt_pll_devdata = {
+ .pll_cfg = asdt_pll_cfg,
+ .update_rate = hsdk_pll_comm_update_rate,
+};
+
+static const struct hsdk_pll_devdata hdmi_pll_devdata = {
+ .pll_cfg = hdmi_pll_cfg,
+ .update_rate = hsdk_pll_comm_update_rate,
+};
+
+static inline void hsdk_pll_write(struct hsdk_pll_clk *clk, u32 reg, u32 val)
+{
+ iowrite32(val, clk->regs + reg);
+}
+
+static inline u32 hsdk_pll_read(struct hsdk_pll_clk *clk, u32 reg)
+{
+ return ioread32(clk->regs + reg);
+}
+
+static inline void hsdk_pll_set_cfg(struct hsdk_pll_clk *clk,
+ const struct hsdk_pll_cfg *cfg)
+{
+ u32 val = 0;
+
+ /* Powerdown and Bypass bits should be cleared */
+ val |= cfg->idiv << CGU_PLL_CTRL_IDIV_SHIFT;
+ val |= cfg->fbdiv << CGU_PLL_CTRL_FBDIV_SHIFT;
+ val |= cfg->odiv << CGU_PLL_CTRL_ODIV_SHIFT;
+ val |= cfg->band << CGU_PLL_CTRL_BAND_SHIFT;
+
+ dev_dbg(clk->dev, "write configurarion: %#x\n", val);
+
+ hsdk_pll_write(clk, CGU_PLL_CTRL, val);
+}
+
+static inline bool hsdk_pll_is_locked(struct hsdk_pll_clk *clk)
+{
+ return !!(hsdk_pll_read(clk, CGU_PLL_STATUS) & CGU_PLL_STATUS_LOCK);
+}
+
+static inline bool hsdk_pll_is_err(struct hsdk_pll_clk *clk)
+{
+ return !!(hsdk_pll_read(clk, CGU_PLL_STATUS) & CGU_PLL_STATUS_ERR);
+}
+
+static inline struct hsdk_pll_clk *to_hsdk_pll_clk(struct clk_hw *hw)
+{
+ return container_of(hw, struct hsdk_pll_clk, hw);
+}
+
+static unsigned long hsdk_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ u32 val;
+ u64 rate;
+ u32 idiv, fbdiv, odiv;
+ struct hsdk_pll_clk *clk = to_hsdk_pll_clk(hw);
+
+ val = hsdk_pll_read(clk, CGU_PLL_CTRL);
+
+ dev_dbg(clk->dev, "current configurarion: %#x\n", val);
+
+ /* Check if PLL is disabled */
+ if (val & CGU_PLL_CTRL_PD)
+ return 0;
+
+ /* Check if PLL is bypassed */
+ if (val & CGU_PLL_CTRL_BYPASS)
+ return parent_rate;
+
+ /* input divider = reg.idiv + 1 */
+ idiv = 1 + ((val & CGU_PLL_CTRL_IDIV_MASK) >> CGU_PLL_CTRL_IDIV_SHIFT);
+ /* fb divider = 2*(reg.fbdiv + 1) */
+ fbdiv = 2 * (1 + ((val & CGU_PLL_CTRL_FBDIV_MASK) >> CGU_PLL_CTRL_FBDIV_SHIFT));
+ /* output divider = 2^(reg.odiv) */
+ odiv = 1 << ((val & CGU_PLL_CTRL_ODIV_MASK) >> CGU_PLL_CTRL_ODIV_SHIFT);
+
+ rate = (u64)parent_rate * fbdiv;
+ do_div(rate, idiv * odiv);
+
+ return rate;
+}
+
+static long hsdk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ int i;
+ unsigned long best_rate;
+ struct hsdk_pll_clk *clk = to_hsdk_pll_clk(hw);
+ const struct hsdk_pll_cfg *pll_cfg = clk->pll_devdata->pll_cfg;
+
+ if (pll_cfg[0].rate == 0)
+ return -EINVAL;
+
+ best_rate = pll_cfg[0].rate;
+
+ for (i = 1; pll_cfg[i].rate != 0; i++) {
+ if (abs(rate - pll_cfg[i].rate) < abs(rate - best_rate))
+ best_rate = pll_cfg[i].rate;
+ }
+
+ dev_dbg(clk->dev, "chosen best rate: %lu\n", best_rate);
+
+ return best_rate;
+}
+
+static int hsdk_pll_comm_update_rate(struct hsdk_pll_clk *clk,
+ unsigned long rate,
+ const struct hsdk_pll_cfg *cfg)
+{
+ hsdk_pll_set_cfg(clk, cfg);
+
+ /*
+ * Wait until CGU relocks and check error status.
+ * If after timeout CGU is unlocked yet return error.
+ */
+ udelay(HSDK_PLL_MAX_LOCK_TIME);
+ if (!hsdk_pll_is_locked(clk))
+ return -ETIMEDOUT;
+
+ if (hsdk_pll_is_err(clk))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int hsdk_pll_core_update_rate(struct hsdk_pll_clk *clk,
+ unsigned long rate,
+ const struct hsdk_pll_cfg *cfg)
+{
+ /*
+ * When core clock exceeds 500MHz, the divider for the interface
+ * clock must be programmed to div-by-2.
+ */
+ if (rate > CORE_IF_CLK_THRESHOLD_HZ)
+ iowrite32(CREG_CORE_IF_CLK_DIV_2, clk->spec_regs);
+
+ hsdk_pll_set_cfg(clk, cfg);
+
+ /*
+ * Wait until CGU relocks and check error status.
+ * If after timeout CGU is unlocked yet return error.
+ */
+ udelay(HSDK_PLL_MAX_LOCK_TIME);
+ if (!hsdk_pll_is_locked(clk))
+ return -ETIMEDOUT;
+
+ if (hsdk_pll_is_err(clk))
+ return -EINVAL;
+
+ /*
+ * Program divider to div-by-1 if we succesfuly set core clock below
+ * 500MHz threshold.
+ */
+ if (rate <= CORE_IF_CLK_THRESHOLD_HZ)
+ iowrite32(CREG_CORE_IF_CLK_DIV_1, clk->spec_regs);
+
+ return 0;
+}
+
+static int hsdk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ int i;
+ struct hsdk_pll_clk *clk = to_hsdk_pll_clk(hw);
+ const struct hsdk_pll_cfg *pll_cfg = clk->pll_devdata->pll_cfg;
+
+ for (i = 0; pll_cfg[i].rate != 0; i++) {
+ if (pll_cfg[i].rate == rate) {
+ return clk->pll_devdata->update_rate(clk, rate,
+ &pll_cfg[i]);
+ }
+ }
+
+ dev_err(clk->dev, "invalid rate=%ld, parent_rate=%ld\n", rate,
+ parent_rate);
+
+ return -EINVAL;
+}
+
+static const struct clk_ops hsdk_pll_ops = {
+ .recalc_rate = hsdk_pll_recalc_rate,
+ .round_rate = hsdk_pll_round_rate,
+ .set_rate = hsdk_pll_set_rate,
+};
+
+static int hsdk_pll_clk_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct resource *mem;
+ const char *parent_name;
+ unsigned int num_parents;
+ struct hsdk_pll_clk *pll_clk;
+ struct clk_init_data init = { };
+ struct device *dev = &pdev->dev;
+
+ pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL);
+ if (!pll_clk)
+ return -ENOMEM;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ pll_clk->regs = devm_ioremap_resource(dev, mem);
+ if (IS_ERR(pll_clk->regs))
+ return PTR_ERR(pll_clk->regs);
+
+ init.name = dev->of_node->name;
+ init.ops = &hsdk_pll_ops;
+ parent_name = of_clk_get_parent_name(dev->of_node, 0);
+ init.parent_names = &parent_name;
+ num_parents = of_clk_get_parent_count(dev->of_node);
+ if (num_parents == 0 || num_parents > CGU_PLL_SOURCE_MAX) {
+ dev_err(dev, "wrong clock parents number: %u\n", num_parents);
+ return -EINVAL;
+ }
+ init.num_parents = num_parents;
+
+ pll_clk->hw.init = &init;
+ pll_clk->dev = dev;
+ pll_clk->pll_devdata = of_device_get_match_data(dev);
+
+ if (!pll_clk->pll_devdata) {
+ dev_err(dev, "No OF match data provided\n");
+ return -EINVAL;
+ }
+
+ ret = devm_clk_hw_register(dev, &pll_clk->hw);
+ if (ret) {
+ dev_err(dev, "failed to register %s clock\n", init.name);
+ return ret;
+ }
+
+ return of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get,
+ &pll_clk->hw);
+}
+
+static int hsdk_pll_clk_remove(struct platform_device *pdev)
+{
+ of_clk_del_provider(pdev->dev.of_node);
+ return 0;
+}
+
+static void __init of_hsdk_pll_clk_setup(struct device_node *node)
+{
+ int ret;
+ const char *parent_name;
+ unsigned int num_parents;
+ struct hsdk_pll_clk *pll_clk;
+ struct clk_init_data init = { };
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (!pll_clk)
+ return;
+
+ pll_clk->regs = of_iomap(node, 0);
+ if (!pll_clk->regs) {
+ pr_err("failed to map pll registers\n");
+ goto err_free_pll_clk;
+ }
+
+ pll_clk->spec_regs = of_iomap(node, 1);
+ if (!pll_clk->spec_regs) {
+ pr_err("failed to map pll registers\n");
+ goto err_unmap_comm_regs;
+ }
+
+ init.name = node->name;
+ init.ops = &hsdk_pll_ops;
+ parent_name = of_clk_get_parent_name(node, 0);
+ init.parent_names = &parent_name;
+ num_parents = of_clk_get_parent_count(node);
+ if (num_parents > CGU_PLL_SOURCE_MAX) {
+ pr_err("too much clock parents: %u\n", num_parents);
+ goto err_unmap_spec_regs;
+ }
+ init.num_parents = num_parents;
+
+ pll_clk->hw.init = &init;
+ pll_clk->pll_devdata = &core_pll_devdata;
+
+ ret = clk_hw_register(NULL, &pll_clk->hw);
+ if (ret) {
+ pr_err("failed to register %s clock\n", node->name);
+ goto err_unmap_spec_regs;
+ }
+
+ ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, &pll_clk->hw);
+ if (ret) {
+ pr_err("failed to add hw provider for %s clock\n", node->name);
+ goto err_unmap_spec_regs;
+ }
+
+ return;
+
+err_unmap_spec_regs:
+ iounmap(pll_clk->spec_regs);
+err_unmap_comm_regs:
+ iounmap(pll_clk->regs);
+err_free_pll_clk:
+ kfree(pll_clk);
+}
+
+/* Core PLL needed early for ARC cpus timers */
+CLK_OF_DECLARE(hsdk_pll_clock, "snps,hsdk-core-pll-clock",
+of_hsdk_pll_clk_setup);
+
+static const struct of_device_id hsdk_pll_clk_id[] = {
+ { .compatible = "snps,hsdk-gp-pll-clock", .data = &sdt_pll_devdata},
+ { .compatible = "snps,hsdk-hdmi-pll-clock", .data = &hdmi_pll_devdata},
+ { }
+};
+
+static struct platform_driver hsdk_pll_clk_driver = {
+ .driver = {
+ .name = "hsdk-gp-pll-clock",
+ .of_match_table = hsdk_pll_clk_id,
+ },
+ .probe = hsdk_pll_clk_probe,
+ .remove = hsdk_pll_clk_remove,
+};
+builtin_platform_driver(hsdk_pll_clk_driver);
diff --git a/drivers/clk/clk-moxart.c b/drivers/clk/clk-moxart.c
index b86dac851116..58428d0043fd 100644
--- a/drivers/clk/clk-moxart.c
+++ b/drivers/clk/clk-moxart.c
@@ -18,7 +18,7 @@
static void __init moxart_of_pll_clk_init(struct device_node *node)
{
- static void __iomem *base;
+ void __iomem *base;
struct clk_hw *hw;
struct clk *ref_clk;
unsigned int mul;
@@ -30,7 +30,7 @@ static void __init moxart_of_pll_clk_init(struct device_node *node)
base = of_iomap(node, 0);
if (!base) {
- pr_err("%s: of_iomap failed\n", node->full_name);
+ pr_err("%pOF: of_iomap failed\n", node);
return;
}
@@ -39,13 +39,13 @@ static void __init moxart_of_pll_clk_init(struct device_node *node)
ref_clk = of_clk_get(node, 0);
if (IS_ERR(ref_clk)) {
- pr_err("%s: of_clk_get failed\n", node->full_name);
+ pr_err("%pOF: of_clk_get failed\n", node);
return;
}
hw = clk_hw_register_fixed_factor(NULL, name, parent_name, 0, mul, 1);
if (IS_ERR(hw)) {
- pr_err("%s: failed to register clock\n", node->full_name);
+ pr_err("%pOF: failed to register clock\n", node);
return;
}
@@ -57,7 +57,7 @@ CLK_OF_DECLARE(moxart_pll_clock, "moxa,moxart-pll-clock",
static void __init moxart_of_apb_clk_init(struct device_node *node)
{
- static void __iomem *base;
+ void __iomem *base;
struct clk_hw *hw;
struct clk *pll_clk;
unsigned int div, val;
@@ -70,7 +70,7 @@ static void __init moxart_of_apb_clk_init(struct device_node *node)
base = of_iomap(node, 0);
if (!base) {
- pr_err("%s: of_iomap failed\n", node->full_name);
+ pr_err("%pOF: of_iomap failed\n", node);
return;
}
@@ -83,13 +83,13 @@ static void __init moxart_of_apb_clk_init(struct device_node *node)
pll_clk = of_clk_get(node, 0);
if (IS_ERR(pll_clk)) {
- pr_err("%s: of_clk_get failed\n", node->full_name);
+ pr_err("%pOF: of_clk_get failed\n", node);
return;
}
hw = clk_hw_register_fixed_factor(NULL, name, parent_name, 0, 1, div);
if (IS_ERR(hw)) {
- pr_err("%s: failed to register clock\n", node->full_name);
+ pr_err("%pOF: failed to register clock\n", node);
return;
}
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index f3931e38fac0..b0ea753b8709 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -12,6 +12,7 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
#include <linux/fsl/guts.h>
#include <linux/io.h>
#include <linux/kernel.h>
@@ -537,6 +538,17 @@ static const struct clockgen_chipinfo chipinfo[] = {
.flags = CG_PLL_8BIT,
},
{
+ .compat = "fsl,ls1088a-clockgen",
+ .cmux_groups = {
+ &clockgen2_cmux_cga12
+ },
+ .cmux_to_group = {
+ 0, 0, -1
+ },
+ .pll_mask = 0x07,
+ .flags = CG_VER3 | CG_LITTLE_ENDIAN,
+ },
+ {
.compat = "fsl,ls1012a-clockgen",
.cmux_groups = {
&ls1012a_cmux
@@ -1113,6 +1125,7 @@ static void __init create_one_pll(struct clockgen *cg, int idx)
for (i = 0; i < ARRAY_SIZE(pll->div); i++) {
struct clk *clk;
+ int ret;
snprintf(pll->div[i].name, sizeof(pll->div[i].name),
"cg-pll%d-div%d", idx, i + 1);
@@ -1126,6 +1139,11 @@ static void __init create_one_pll(struct clockgen *cg, int idx)
}
pll->div[i].clk = clk;
+ ret = clk_register_clkdev(clk, pll->div[i].name, NULL);
+ if (ret != 0)
+ pr_err("%s: %s: register to lookup table failed %ld\n",
+ __func__, pll->div[i].name, PTR_ERR(clk));
+
}
}
@@ -1348,8 +1366,7 @@ static void __init clockgen_init(struct device_node *np)
}
if (i == ARRAY_SIZE(chipinfo)) {
- pr_err("%s: unknown clockgen node %s\n", __func__,
- np->full_name);
+ pr_err("%s: unknown clockgen node %pOF\n", __func__, np);
goto err;
}
clockgen.info = chipinfo[i];
@@ -1362,8 +1379,8 @@ static void __init clockgen_init(struct device_node *np)
if (guts) {
clockgen.guts = of_iomap(guts, 0);
if (!clockgen.guts) {
- pr_err("%s: Couldn't map %s regs\n", __func__,
- guts->full_name);
+ pr_err("%s: Couldn't map %pOF regs\n", __func__,
+ guts);
}
}
@@ -1398,6 +1415,7 @@ CLK_OF_DECLARE(qoriq_clockgen_ls1012a, "fsl,ls1012a-clockgen", clockgen_init);
CLK_OF_DECLARE(qoriq_clockgen_ls1021a, "fsl,ls1021a-clockgen", clockgen_init);
CLK_OF_DECLARE(qoriq_clockgen_ls1043a, "fsl,ls1043a-clockgen", clockgen_init);
CLK_OF_DECLARE(qoriq_clockgen_ls1046a, "fsl,ls1046a-clockgen", clockgen_init);
+CLK_OF_DECLARE(qoriq_clockgen_ls1088a, "fsl,ls1088a-clockgen", clockgen_init);
CLK_OF_DECLARE(qoriq_clockgen_ls2080a, "fsl,ls2080a-clockgen", clockgen_init);
/* Legacy nodes */
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index 68e2a4e499f1..96c6b6bc8f0e 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -1541,8 +1541,8 @@ static void __init stm32f4_rcc_init(struct device_node *np)
base + gd->offset, gd->bit_idx, 0, &stm32f4_clk_lock);
if (IS_ERR(clks[idx])) {
- pr_err("%s: Unable to register leaf clock %s\n",
- np->full_name, gd->name);
+ pr_err("%pOF: Unable to register leaf clock %s\n",
+ np, gd->name);
goto fail;
}
}
diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c
index ea7d552a2f2b..decffb3826ec 100644
--- a/drivers/clk/clk-versaclock5.c
+++ b/drivers/clk/clk-versaclock5.c
@@ -57,6 +57,7 @@
#define VC5_PRIM_SRC_SHDN 0x10
#define VC5_PRIM_SRC_SHDN_EN_XTAL BIT(7)
#define VC5_PRIM_SRC_SHDN_EN_CLKIN BIT(6)
+#define VC5_PRIM_SRC_SHDN_EN_DOUBLE_XTAL_FREQ BIT(3)
#define VC5_PRIM_SRC_SHDN_SP BIT(1)
#define VC5_PRIM_SRC_SHDN_EN_GBL_SHDN BIT(0)
@@ -122,12 +123,16 @@
/* flags to describe chip features */
/* chip has built-in oscilator */
#define VC5_HAS_INTERNAL_XTAL BIT(0)
+/* chip has PFD requency doubler */
+#define VC5_HAS_PFD_FREQ_DBL BIT(1)
/* Supported IDT VC5 models. */
enum vc5_model {
IDT_VC5_5P49V5923,
+ IDT_VC5_5P49V5925,
IDT_VC5_5P49V5933,
IDT_VC5_5P49V5935,
+ IDT_VC6_5P49V6901,
};
/* Structure to describe features of a particular VC5 model */
@@ -157,6 +162,8 @@ struct vc5_driver_data {
struct clk *pin_clkin;
unsigned char clk_mux_ins;
struct clk_hw clk_mux;
+ struct clk_hw clk_mul;
+ struct clk_hw clk_pfd;
struct vc5_hw_data clk_pll;
struct vc5_hw_data clk_fod[VC5_MAX_FOD_NUM];
struct vc5_hw_data clk_out[VC5_MAX_CLK_OUT_NUM];
@@ -166,6 +173,14 @@ static const char * const vc5_mux_names[] = {
"mux"
};
+static const char * const vc5_dbl_names[] = {
+ "dbl"
+};
+
+static const char * const vc5_pfd_names[] = {
+ "pfd"
+};
+
static const char * const vc5_pll_names[] = {
"pll"
};
@@ -254,11 +269,64 @@ static int vc5_mux_set_parent(struct clk_hw *hw, u8 index)
return regmap_update_bits(vc5->regmap, VC5_PRIM_SRC_SHDN, mask, src);
}
-static unsigned long vc5_mux_recalc_rate(struct clk_hw *hw,
+static const struct clk_ops vc5_mux_ops = {
+ .set_parent = vc5_mux_set_parent,
+ .get_parent = vc5_mux_get_parent,
+};
+
+static unsigned long vc5_dbl_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct vc5_driver_data *vc5 =
- container_of(hw, struct vc5_driver_data, clk_mux);
+ container_of(hw, struct vc5_driver_data, clk_mul);
+ unsigned int premul;
+
+ regmap_read(vc5->regmap, VC5_PRIM_SRC_SHDN, &premul);
+ if (premul & VC5_PRIM_SRC_SHDN_EN_DOUBLE_XTAL_FREQ)
+ parent_rate *= 2;
+
+ return parent_rate;
+}
+
+static long vc5_dbl_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ if ((*parent_rate == rate) || ((*parent_rate * 2) == rate))
+ return rate;
+ else
+ return -EINVAL;
+}
+
+static int vc5_dbl_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct vc5_driver_data *vc5 =
+ container_of(hw, struct vc5_driver_data, clk_mul);
+ u32 mask;
+
+ if ((parent_rate * 2) == rate)
+ mask = VC5_PRIM_SRC_SHDN_EN_DOUBLE_XTAL_FREQ;
+ else
+ mask = 0;
+
+ regmap_update_bits(vc5->regmap, VC5_PRIM_SRC_SHDN,
+ VC5_PRIM_SRC_SHDN_EN_DOUBLE_XTAL_FREQ,
+ mask);
+
+ return 0;
+}
+
+static const struct clk_ops vc5_dbl_ops = {
+ .recalc_rate = vc5_dbl_recalc_rate,
+ .round_rate = vc5_dbl_round_rate,
+ .set_rate = vc5_dbl_set_rate,
+};
+
+static unsigned long vc5_pfd_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct vc5_driver_data *vc5 =
+ container_of(hw, struct vc5_driver_data, clk_pfd);
unsigned int prediv, div;
regmap_read(vc5->regmap, VC5_VCO_CTRL_AND_PREDIV, &prediv);
@@ -276,7 +344,7 @@ static unsigned long vc5_mux_recalc_rate(struct clk_hw *hw,
return parent_rate / VC5_REF_DIVIDER_REF_DIV(div);
}
-static long vc5_mux_round_rate(struct clk_hw *hw, unsigned long rate,
+static long vc5_pfd_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
unsigned long idiv;
@@ -296,11 +364,11 @@ static long vc5_mux_round_rate(struct clk_hw *hw, unsigned long rate,
return *parent_rate / idiv;
}
-static int vc5_mux_set_rate(struct clk_hw *hw, unsigned long rate,
+static int vc5_pfd_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct vc5_driver_data *vc5 =
- container_of(hw, struct vc5_driver_data, clk_mux);
+ container_of(hw, struct vc5_driver_data, clk_pfd);
unsigned long idiv;
u8 div;
@@ -328,12 +396,10 @@ static int vc5_mux_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
-static const struct clk_ops vc5_mux_ops = {
- .set_parent = vc5_mux_set_parent,
- .get_parent = vc5_mux_get_parent,
- .recalc_rate = vc5_mux_recalc_rate,
- .round_rate = vc5_mux_round_rate,
- .set_rate = vc5_mux_set_rate,
+static const struct clk_ops vc5_pfd_ops = {
+ .recalc_rate = vc5_pfd_recalc_rate,
+ .round_rate = vc5_pfd_round_rate,
+ .set_rate = vc5_pfd_set_rate,
};
/*
@@ -426,6 +492,10 @@ static unsigned long vc5_fod_recalc_rate(struct clk_hw *hw,
div_frc = (od_frc[0] << 22) | (od_frc[1] << 14) |
(od_frc[2] << 6) | (od_frc[3] >> 2);
+ /* Avoid division by zero if the output is not configured. */
+ if (div_int == 0 && div_frc == 0)
+ return 0;
+
/* The PLL divider has 12 integer bits and 30 fractional bits */
return div64_u64((u64)f_in << 24ULL, ((u64)div_int << 24ULL) + div_frc);
}
@@ -503,6 +573,25 @@ static int vc5_clk_out_prepare(struct clk_hw *hw)
{
struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw);
struct vc5_driver_data *vc5 = hwdata->vc5;
+ const u8 mask = VC5_OUT_DIV_CONTROL_SELB_NORM |
+ VC5_OUT_DIV_CONTROL_SEL_EXT |
+ VC5_OUT_DIV_CONTROL_EN_FOD;
+ unsigned int src;
+ int ret;
+
+ /*
+ * If the input mux is disabled, enable it first and
+ * select source from matching FOD.
+ */
+ regmap_read(vc5->regmap, VC5_OUT_DIV_CONTROL(hwdata->num), &src);
+ if ((src & mask) == 0) {
+ src = VC5_OUT_DIV_CONTROL_RESET | VC5_OUT_DIV_CONTROL_EN_FOD;
+ ret = regmap_update_bits(vc5->regmap,
+ VC5_OUT_DIV_CONTROL(hwdata->num),
+ mask | VC5_OUT_DIV_CONTROL_RESET, src);
+ if (ret)
+ return ret;
+ }
/* Enable the clock buffer */
regmap_update_bits(vc5->regmap, VC5_CLK_OUTPUT_CFG(hwdata->num, 1),
@@ -516,7 +605,7 @@ static void vc5_clk_out_unprepare(struct clk_hw *hw)
struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw);
struct vc5_driver_data *vc5 = hwdata->vc5;
- /* Enable the clock buffer */
+ /* Disable the clock buffer */
regmap_update_bits(vc5->regmap, VC5_CLK_OUTPUT_CFG(hwdata->num, 1),
VC5_CLK_OUTPUT_CFG1_EN_CLKBUF, 0);
}
@@ -537,6 +626,9 @@ static unsigned char vc5_clk_out_get_parent(struct clk_hw *hw)
regmap_read(vc5->regmap, VC5_OUT_DIV_CONTROL(hwdata->num), &src);
src &= mask;
+ if (src == 0) /* Input mux set to DISABLED */
+ return 0;
+
if ((src & fodclkmask) == VC5_OUT_DIV_CONTROL_EN_FOD)
return 0;
@@ -595,7 +687,9 @@ static int vc5_map_index_to_output(const enum vc5_model model,
case IDT_VC5_5P49V5933:
return (n == 0) ? 0 : 3;
case IDT_VC5_5P49V5923:
+ case IDT_VC5_5P49V5925:
case IDT_VC5_5P49V5935:
+ case IDT_VC6_5P49V6901:
default:
return n;
}
@@ -672,12 +766,46 @@ static int vc5_probe(struct i2c_client *client,
goto err_clk;
}
+ if (vc5->chip_info->flags & VC5_HAS_PFD_FREQ_DBL) {
+ /* Register frequency doubler */
+ memset(&init, 0, sizeof(init));
+ init.name = vc5_dbl_names[0];
+ init.ops = &vc5_dbl_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = vc5_mux_names;
+ init.num_parents = 1;
+ vc5->clk_mul.init = &init;
+ ret = devm_clk_hw_register(&client->dev, &vc5->clk_mul);
+ if (ret) {
+ dev_err(&client->dev, "unable to register %s\n",
+ init.name);
+ goto err_clk;
+ }
+ }
+
+ /* Register PFD */
+ memset(&init, 0, sizeof(init));
+ init.name = vc5_pfd_names[0];
+ init.ops = &vc5_pfd_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ if (vc5->chip_info->flags & VC5_HAS_PFD_FREQ_DBL)
+ init.parent_names = vc5_dbl_names;
+ else
+ init.parent_names = vc5_mux_names;
+ init.num_parents = 1;
+ vc5->clk_pfd.init = &init;
+ ret = devm_clk_hw_register(&client->dev, &vc5->clk_pfd);
+ if (ret) {
+ dev_err(&client->dev, "unable to register %s\n", init.name);
+ goto err_clk;
+ }
+
/* Register PLL */
memset(&init, 0, sizeof(init));
init.name = vc5_pll_names[0];
init.ops = &vc5_pll_ops;
init.flags = CLK_SET_RATE_PARENT;
- init.parent_names = vc5_mux_names;
+ init.parent_names = vc5_pfd_names;
init.num_parents = 1;
vc5->clk_pll.num = 0;
vc5->clk_pll.vc5 = vc5;
@@ -785,6 +913,13 @@ static const struct vc5_chip_info idt_5p49v5923_info = {
.flags = 0,
};
+static const struct vc5_chip_info idt_5p49v5925_info = {
+ .model = IDT_VC5_5P49V5925,
+ .clk_fod_cnt = 4,
+ .clk_out_cnt = 5,
+ .flags = 0,
+};
+
static const struct vc5_chip_info idt_5p49v5933_info = {
.model = IDT_VC5_5P49V5933,
.clk_fod_cnt = 2,
@@ -799,18 +934,29 @@ static const struct vc5_chip_info idt_5p49v5935_info = {
.flags = VC5_HAS_INTERNAL_XTAL,
};
+static const struct vc5_chip_info idt_5p49v6901_info = {
+ .model = IDT_VC6_5P49V6901,
+ .clk_fod_cnt = 4,
+ .clk_out_cnt = 5,
+ .flags = VC5_HAS_PFD_FREQ_DBL,
+};
+
static const struct i2c_device_id vc5_id[] = {
{ "5p49v5923", .driver_data = IDT_VC5_5P49V5923 },
+ { "5p49v5925", .driver_data = IDT_VC5_5P49V5925 },
{ "5p49v5933", .driver_data = IDT_VC5_5P49V5933 },
{ "5p49v5935", .driver_data = IDT_VC5_5P49V5935 },
+ { "5p49v6901", .driver_data = IDT_VC6_5P49V6901 },
{ }
};
MODULE_DEVICE_TABLE(i2c, vc5_id);
static const struct of_device_id clk_vc5_of_match[] = {
{ .compatible = "idt,5p49v5923", .data = &idt_5p49v5923_info },
+ { .compatible = "idt,5p49v5925", .data = &idt_5p49v5925_info },
{ .compatible = "idt,5p49v5933", .data = &idt_5p49v5933_info },
{ .compatible = "idt,5p49v5935", .data = &idt_5p49v5935_info },
+ { .compatible = "idt,5p49v6901", .data = &idt_5p49v6901_info },
{ },
};
MODULE_DEVICE_TABLE(of, clk_vc5_of_match);
diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c
index bc37030e38ba..4c75821a3933 100644
--- a/drivers/clk/clk-xgene.c
+++ b/drivers/clk/clk-xgene.c
@@ -192,7 +192,7 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty
reg = of_iomap(np, 0);
if (reg == NULL) {
- pr_err("Unable to map CSR register for %s\n", np->full_name);
+ pr_err("Unable to map CSR register for %pOF\n", np);
return;
}
of_property_read_string(np, "clock-output-names", &clk_name);
@@ -409,12 +409,12 @@ static void xgene_pmdclk_init(struct device_node *np)
/* Parse the DTS register for resource */
rc = of_address_to_resource(np, 0, &res);
if (rc != 0) {
- pr_err("no DTS register for %s\n", np->full_name);
+ pr_err("no DTS register for %pOF\n", np);
return;
}
csr_reg = of_iomap(np, 0);
if (!csr_reg) {
- pr_err("Unable to map resource for %s\n", np->full_name);
+ pr_err("Unable to map resource for %pOF\n", np);
return;
}
of_property_read_string(np, "clock-output-names", &clk_name);
@@ -703,16 +703,14 @@ static void __init xgene_devclk_init(struct device_node *np)
rc = of_address_to_resource(np, i, &res);
if (rc != 0) {
if (i == 0) {
- pr_err("no DTS register for %s\n",
- np->full_name);
+ pr_err("no DTS register for %pOF\n", np);
return;
}
break;
}
map_res = of_iomap(np, i);
if (map_res == NULL) {
- pr_err("Unable to map resource %d for %s\n",
- i, np->full_name);
+ pr_err("Unable to map resource %d for %pOF\n", i, np);
goto err;
}
if (strcmp(res.name, "div-reg") == 0)
@@ -747,8 +745,7 @@ static void __init xgene_devclk_init(struct device_node *np)
pr_debug("Add %s clock\n", clk_name);
rc = of_clk_add_provider(np, of_clk_src_simple_get, clk);
if (rc != 0)
- pr_err("%s: could register provider clk %s\n", __func__,
- np->full_name);
+ pr_err("%s: could register provider clk %pOF\n", __func__, np);
return;
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index fc58c52a26b4..c8d83acda006 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3132,7 +3132,7 @@ int of_clk_add_provider(struct device_node *np,
mutex_lock(&of_clk_mutex);
list_add(&cp->link, &of_clk_providers);
mutex_unlock(&of_clk_mutex);
- pr_debug("Added clock from %s\n", np->full_name);
+ pr_debug("Added clock from %pOF\n", np);
ret = of_clk_set_defaults(np, true);
if (ret < 0)
@@ -3167,7 +3167,7 @@ int of_clk_add_hw_provider(struct device_node *np,
mutex_lock(&of_clk_mutex);
list_add(&cp->link, &of_clk_providers);
mutex_unlock(&of_clk_mutex);
- pr_debug("Added clk_hw provider from %s\n", np->full_name);
+ pr_debug("Added clk_hw provider from %pOF\n", np);
ret = of_clk_set_defaults(np, true);
if (ret < 0)
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index bb8a77a5985f..6b2f29df3f70 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -77,8 +77,8 @@ static struct clk *__of_clk_get_by_name(struct device_node *np,
break;
} else if (name && index >= 0) {
if (PTR_ERR(clk) != -EPROBE_DEFER)
- pr_err("ERROR: could not get clock %s:%s(%i)\n",
- np->full_name, name ? name : "", index);
+ pr_err("ERROR: could not get clock %pOF:%s(%i)\n",
+ np, name ? name : "", index);
return clk;
}
diff --git a/drivers/clk/imx/clk-imx6sl.c b/drivers/clk/imx/clk-imx6sl.c
index 5fd4ddac1bf1..9642cdf0fb88 100644
--- a/drivers/clk/imx/clk-imx6sl.c
+++ b/drivers/clk/imx/clk-imx6sl.c
@@ -71,7 +71,7 @@ static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", };
static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", };
static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
-static struct clk_div_table clk_enet_ref_table[] = {
+static const struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
{ .val = 2, .div = 5, },
@@ -79,14 +79,14 @@ static struct clk_div_table clk_enet_ref_table[] = {
{ }
};
-static struct clk_div_table post_div_table[] = {
+static const struct clk_div_table post_div_table[] = {
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 0, .div = 4, },
{ }
};
-static struct clk_div_table video_div_table[] = {
+static const struct clk_div_table video_div_table[] = {
{ .val = 0, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 2, .div = 1, },
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index b5c96de41ccf..e6d389e333d7 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -105,7 +105,7 @@ static int const clks_init_on[] __initconst = {
IMX6SX_CLK_EPIT2,
};
-static struct clk_div_table clk_enet_ref_table[] = {
+static const struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
{ .val = 2, .div = 5, },
@@ -113,14 +113,14 @@ static struct clk_div_table clk_enet_ref_table[] = {
{ }
};
-static struct clk_div_table post_div_table[] = {
+static const struct clk_div_table post_div_table[] = {
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 0, .div = 4, },
{ }
};
-static struct clk_div_table video_div_table[] = {
+static const struct clk_div_table video_div_table[] = {
{ .val = 0, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 2, .div = 1, },
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c
index b4e0dff3c8c2..5e8c18afce9a 100644
--- a/drivers/clk/imx/clk-imx6ul.c
+++ b/drivers/clk/imx/clk-imx6ul.c
@@ -78,7 +78,7 @@ static int const clks_init_on[] __initconst = {
IMX6UL_CLK_MMDC_P0_FAST, IMX6UL_CLK_MMDC_P0_IPG,
};
-static struct clk_div_table clk_enet_ref_table[] = {
+static const struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
{ .val = 2, .div = 5, },
@@ -86,14 +86,14 @@ static struct clk_div_table clk_enet_ref_table[] = {
{ }
};
-static struct clk_div_table post_div_table[] = {
+static const struct clk_div_table post_div_table[] = {
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 0, .div = 4, },
{ }
};
-static struct clk_div_table video_div_table[] = {
+static const struct clk_div_table video_div_table[] = {
{ .val = 0, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 2, .div = 1, },
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index 3da121826b1b..2305699db467 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -27,7 +27,7 @@ static u32 share_count_sai2;
static u32 share_count_sai3;
static u32 share_count_nand;
-static struct clk_div_table test_div_table[] = {
+static const struct clk_div_table test_div_table[] = {
{ .val = 3, .div = 1, },
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
@@ -35,7 +35,7 @@ static struct clk_div_table test_div_table[] = {
{ }
};
-static struct clk_div_table post_div_table[] = {
+static const struct clk_div_table post_div_table[] = {
{ .val = 3, .div = 4, },
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
index 59b1863deb88..6dae54325a91 100644
--- a/drivers/clk/imx/clk-vf610.c
+++ b/drivers/clk/imx/clk-vf610.c
@@ -102,7 +102,7 @@ static const char *ftm_ext_sels[] = {"sirc_128k", "sxosc", "fxosc_half", "audio_
static const char *ftm_fix_sels[] = { "sxosc", "ipg_bus", };
-static struct clk_div_table pll4_audio_div_table[] = {
+static const struct clk_div_table pll4_audio_div_table[] = {
{ .val = 0, .div = 1 },
{ .val = 1, .div = 2 },
{ .val = 2, .div = 6 },
diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c
index 43b0f2f08df2..9cdf9d5050ac 100644
--- a/drivers/clk/keystone/sci-clk.c
+++ b/drivers/clk/keystone/sci-clk.c
@@ -22,6 +22,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/soc/ti/ti_sci_protocol.h>
+#include <linux/bsearch.h>
#define SCI_CLK_SSC_ENABLE BIT(0)
#define SCI_CLK_ALLOW_FREQ_CHANGE BIT(1)
@@ -44,6 +45,7 @@ struct sci_clk_data {
* @dev: Device pointer for the clock provider
* @clk_data: Clock data
* @clocks: Clocks array for this device
+ * @num_clocks: Total number of clocks for this provider
*/
struct sci_clk_provider {
const struct ti_sci_handle *sci;
@@ -51,6 +53,7 @@ struct sci_clk_provider {
struct device *dev;
const struct sci_clk_data *clk_data;
struct clk_hw **clocks;
+ int num_clocks;
};
/**
@@ -58,7 +61,6 @@ struct sci_clk_provider {
* @hw: Hardware clock cookie for common clock framework
* @dev_id: Device index
* @clk_id: Clock index
- * @node: Clocks list link
* @provider: Master clock provider
* @flags: Flags for the clock
*/
@@ -66,7 +68,6 @@ struct sci_clk {
struct clk_hw hw;
u16 dev_id;
u8 clk_id;
- struct list_head node;
struct sci_clk_provider *provider;
u8 flags;
};
@@ -367,6 +368,19 @@ err:
return &sci_clk->hw;
}
+static int _cmp_sci_clk(const void *a, const void *b)
+{
+ const struct sci_clk *ca = a;
+ const struct sci_clk *cb = *(struct sci_clk **)b;
+
+ if (ca->dev_id == cb->dev_id && ca->clk_id == cb->clk_id)
+ return 0;
+ if (ca->dev_id > cb->dev_id ||
+ (ca->dev_id == cb->dev_id && ca->clk_id > cb->clk_id))
+ return 1;
+ return -1;
+}
+
/**
* sci_clk_get - Xlate function for getting clock handles
* @clkspec: device tree clock specifier
@@ -380,29 +394,22 @@ err:
static struct clk_hw *sci_clk_get(struct of_phandle_args *clkspec, void *data)
{
struct sci_clk_provider *provider = data;
- u16 dev_id;
- u8 clk_id;
- const struct sci_clk_data *clks = provider->clk_data;
- struct clk_hw **clocks = provider->clocks;
+ struct sci_clk **clk;
+ struct sci_clk key;
if (clkspec->args_count != 2)
return ERR_PTR(-EINVAL);
- dev_id = clkspec->args[0];
- clk_id = clkspec->args[1];
+ key.dev_id = clkspec->args[0];
+ key.clk_id = clkspec->args[1];
- while (clks->num_clks) {
- if (clks->dev == dev_id) {
- if (clk_id >= clks->num_clks)
- return ERR_PTR(-EINVAL);
-
- return clocks[clk_id];
- }
+ clk = bsearch(&key, provider->clocks, provider->num_clocks,
+ sizeof(clk), _cmp_sci_clk);
- clks++;
- }
+ if (!clk)
+ return ERR_PTR(-ENODEV);
- return ERR_PTR(-ENODEV);
+ return &(*clk)->hw;
}
static int ti_sci_init_clocks(struct sci_clk_provider *p)
@@ -410,18 +417,29 @@ static int ti_sci_init_clocks(struct sci_clk_provider *p)
const struct sci_clk_data *data = p->clk_data;
struct clk_hw *hw;
int i;
+ int num_clks = 0;
while (data->num_clks) {
- p->clocks = devm_kcalloc(p->dev, data->num_clks,
- sizeof(struct sci_clk),
- GFP_KERNEL);
- if (!p->clocks)
- return -ENOMEM;
+ num_clks += data->num_clks;
+ data++;
+ }
+ p->num_clocks = num_clks;
+
+ p->clocks = devm_kcalloc(p->dev, num_clks, sizeof(struct sci_clk),
+ GFP_KERNEL);
+ if (!p->clocks)
+ return -ENOMEM;
+
+ num_clks = 0;
+
+ data = p->clk_data;
+
+ while (data->num_clks) {
for (i = 0; i < data->num_clks; i++) {
hw = _sci_clk_build(p, data->dev, i);
if (!IS_ERR(hw)) {
- p->clocks[i] = hw;
+ p->clocks[num_clks++] = hw;
continue;
}
diff --git a/drivers/clk/mediatek/clk-cpumux.c b/drivers/clk/mediatek/clk-cpumux.c
index edd8e6918050..16e56772d280 100644
--- a/drivers/clk/mediatek/clk-cpumux.c
+++ b/drivers/clk/mediatek/clk-cpumux.c
@@ -27,7 +27,6 @@ static inline struct mtk_clk_cpumux *to_mtk_clk_cpumux(struct clk_hw *_hw)
static u8 clk_cpumux_get_parent(struct clk_hw *hw)
{
struct mtk_clk_cpumux *mux = to_mtk_clk_cpumux(hw);
- int num_parents = clk_hw_get_num_parents(hw);
unsigned int val;
regmap_read(mux->regmap, mux->reg, &val);
@@ -35,9 +34,6 @@ static u8 clk_cpumux_get_parent(struct clk_hw *hw)
val >>= mux->shift;
val &= mux->mask;
- if (val >= num_parents)
- return -EINVAL;
-
return val;
}
@@ -98,7 +94,7 @@ int __init mtk_clk_register_cpumuxes(struct device_node *node,
regmap = syscon_node_to_regmap(node);
if (IS_ERR(regmap)) {
- pr_err("Cannot find regmap for %s: %ld\n", node->full_name,
+ pr_err("Cannot find regmap for %pOF: %ld\n", node,
PTR_ERR(regmap));
return PTR_ERR(regmap);
}
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index 0541df78141c..9c0ae4278a94 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -114,7 +114,7 @@ int mtk_clk_register_gates(struct device_node *node,
regmap = syscon_node_to_regmap(node);
if (IS_ERR(regmap)) {
- pr_err("Cannot find regmap for %s: %ld\n", node->full_name,
+ pr_err("Cannot find regmap for %pOF: %ld\n", node,
PTR_ERR(regmap));
return PTR_ERR(regmap);
}
diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c
index 309049d41f1b..d3551d5efef2 100644
--- a/drivers/clk/mediatek/reset.c
+++ b/drivers/clk/mediatek/reset.c
@@ -72,7 +72,7 @@ void mtk_register_reset_controller(struct device_node *np,
regmap = syscon_node_to_regmap(np);
if (IS_ERR(regmap)) {
- pr_err("Cannot find regmap for %s: %ld\n", np->full_name,
+ pr_err("Cannot find regmap for %pOF: %ld\n", np,
PTR_ERR(regmap));
return;
}
diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
index 5588f75a8414..d2d0174a6eca 100644
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@@ -6,6 +6,7 @@ config COMMON_CLK_AMLOGIC
config COMMON_CLK_MESON8B
bool
depends on COMMON_CLK_AMLOGIC
+ select RESET_CONTROLLER
help
Support for the clock controller on AmLogic S802 (Meson8),
S805 (Meson8b) and S812 (Meson8m2) devices. Say Y if you
diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
index 83b6d9d65aa1..b139d41b25da 100644
--- a/drivers/clk/meson/Makefile
+++ b/drivers/clk/meson/Makefile
@@ -4,4 +4,4 @@
obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-cpu.o clk-mpll.o clk-audio-divider.o
obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o
-obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
+obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o gxbb-aoclk-regmap.o gxbb-aoclk-32k.o
diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c
index 39eab69fe51a..44a5a535ca63 100644
--- a/drivers/clk/meson/clk-mpll.c
+++ b/drivers/clk/meson/clk-mpll.c
@@ -161,6 +161,13 @@ static int mpll_set_rate(struct clk_hw *hw,
reg = PARM_SET(p->width, p->shift, reg, 1);
writel(reg, mpll->base + p->reg_off);
+ p = &mpll->ssen;
+ if (p->width != 0) {
+ reg = readl(mpll->base + p->reg_off);
+ reg = PARM_SET(p->width, p->shift, reg, 1);
+ writel(reg, mpll->base + p->reg_off);
+ }
+
p = &mpll->n2;
reg = readl(mpll->base + p->reg_off);
reg = PARM_SET(p->width, p->shift, reg, n2);
diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h
index d6feafe8bd6c..1629da9b4141 100644
--- a/drivers/clk/meson/clkc.h
+++ b/drivers/clk/meson/clkc.h
@@ -118,6 +118,7 @@ struct meson_clk_mpll {
struct parm sdm_en;
struct parm n2;
struct parm en;
+ struct parm ssen;
spinlock_t *lock;
};
diff --git a/drivers/clk/meson/gxbb-aoclk-32k.c b/drivers/clk/meson/gxbb-aoclk-32k.c
new file mode 100644
index 000000000000..491634dbc985
--- /dev/null
+++ b/drivers/clk/meson/gxbb-aoclk-32k.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2017 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+#include "gxbb-aoclk.h"
+
+/*
+ * The AO Domain embeds a dual/divider to generate a more precise
+ * 32,768KHz clock for low-power suspend mode and CEC.
+ * ______ ______
+ * | | | |
+ * ______ | Div1 |-| Cnt1 | ______
+ * | | /|______| |______|\ | |
+ * Xtal-->| Gate |---| ______ ______ X-X--| Gate |-->
+ * |______| | \| | | |/ | |______|
+ * | | Div2 |-| Cnt2 | |
+ * | |______| |______| |
+ * |_______________________|
+ *
+ * The dividing can be switched to single or dual, with a counter
+ * for each divider to set when the switching is done.
+ * The entire dividing mechanism can be also bypassed.
+ */
+
+#define CLK_CNTL0_N1_MASK GENMASK(11, 0)
+#define CLK_CNTL0_N2_MASK GENMASK(23, 12)
+#define CLK_CNTL0_DUALDIV_EN BIT(28)
+#define CLK_CNTL0_OUT_GATE_EN BIT(30)
+#define CLK_CNTL0_IN_GATE_EN BIT(31)
+
+#define CLK_CNTL1_M1_MASK GENMASK(11, 0)
+#define CLK_CNTL1_M2_MASK GENMASK(23, 12)
+#define CLK_CNTL1_BYPASS_EN BIT(24)
+#define CLK_CNTL1_SELECT_OSC BIT(27)
+
+#define PWR_CNTL_ALT_32K_SEL GENMASK(13, 10)
+
+struct cec_32k_freq_table {
+ unsigned long parent_rate;
+ unsigned long target_rate;
+ bool dualdiv;
+ unsigned int n1;
+ unsigned int n2;
+ unsigned int m1;
+ unsigned int m2;
+};
+
+static const struct cec_32k_freq_table aoclk_cec_32k_table[] = {
+ [0] = {
+ .parent_rate = 24000000,
+ .target_rate = 32768,
+ .dualdiv = true,
+ .n1 = 733,
+ .n2 = 732,
+ .m1 = 8,
+ .m2 = 11,
+ },
+};
+
+/*
+ * If CLK_CNTL0_DUALDIV_EN == 0
+ * - will use N1 divider only
+ * If CLK_CNTL0_DUALDIV_EN == 1
+ * - hold M1 cycles of N1 divider then changes to N2
+ * - hold M2 cycles of N2 divider then changes to N1
+ * Then we can get more accurate division.
+ */
+static unsigned long aoclk_cec_32k_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct aoclk_cec_32k *cec_32k = to_aoclk_cec_32k(hw);
+ unsigned long n1;
+ u32 reg0, reg1;
+
+ regmap_read(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL0, &reg0);
+ regmap_read(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL1, &reg1);
+
+ if (reg1 & CLK_CNTL1_BYPASS_EN)
+ return parent_rate;
+
+ if (reg0 & CLK_CNTL0_DUALDIV_EN) {
+ unsigned long n2, m1, m2, f1, f2, p1, p2;
+
+ n1 = FIELD_GET(CLK_CNTL0_N1_MASK, reg0) + 1;
+ n2 = FIELD_GET(CLK_CNTL0_N2_MASK, reg0) + 1;
+
+ m1 = FIELD_GET(CLK_CNTL1_M1_MASK, reg1) + 1;
+ m2 = FIELD_GET(CLK_CNTL1_M2_MASK, reg1) + 1;
+
+ f1 = DIV_ROUND_CLOSEST(parent_rate, n1);
+ f2 = DIV_ROUND_CLOSEST(parent_rate, n2);
+
+ p1 = DIV_ROUND_CLOSEST(100000000 * m1, f1 * (m1 + m2));
+ p2 = DIV_ROUND_CLOSEST(100000000 * m2, f2 * (m1 + m2));
+
+ return DIV_ROUND_UP(100000000, p1 + p2);
+ }
+
+ n1 = FIELD_GET(CLK_CNTL0_N1_MASK, reg0) + 1;
+
+ return DIV_ROUND_CLOSEST(parent_rate, n1);
+}
+
+static const struct cec_32k_freq_table *find_cec_32k_freq(unsigned long rate,
+ unsigned long prate)
+{
+ int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(aoclk_cec_32k_table) ; ++i)
+ if (aoclk_cec_32k_table[i].parent_rate == prate &&
+ aoclk_cec_32k_table[i].target_rate == rate)
+ return &aoclk_cec_32k_table[i];
+
+ return NULL;
+}
+
+static long aoclk_cec_32k_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ const struct cec_32k_freq_table *freq = find_cec_32k_freq(rate,
+ *prate);
+
+ /* If invalid return first one */
+ if (!freq)
+ return aoclk_cec_32k_table[0].target_rate;
+
+ return freq->target_rate;
+}
+
+/*
+ * From the Amlogic init procedure, the IN and OUT gates needs to be handled
+ * in the init procedure to avoid any glitches.
+ */
+
+static int aoclk_cec_32k_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ const struct cec_32k_freq_table *freq = find_cec_32k_freq(rate,
+ parent_rate);
+ struct aoclk_cec_32k *cec_32k = to_aoclk_cec_32k(hw);
+ u32 reg = 0;
+
+ if (!freq)
+ return -EINVAL;
+
+ /* Disable clock */
+ regmap_update_bits(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL0,
+ CLK_CNTL0_IN_GATE_EN | CLK_CNTL0_OUT_GATE_EN, 0);
+
+ reg = FIELD_PREP(CLK_CNTL0_N1_MASK, freq->n1 - 1);
+ if (freq->dualdiv)
+ reg |= CLK_CNTL0_DUALDIV_EN |
+ FIELD_PREP(CLK_CNTL0_N2_MASK, freq->n2 - 1);
+
+ regmap_write(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL0, reg);
+
+ reg = FIELD_PREP(CLK_CNTL1_M1_MASK, freq->m1 - 1);
+ if (freq->dualdiv)
+ reg |= FIELD_PREP(CLK_CNTL1_M2_MASK, freq->m2 - 1);
+
+ regmap_write(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL1, reg);
+
+ /* Enable clock */
+ regmap_update_bits(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL0,
+ CLK_CNTL0_IN_GATE_EN, CLK_CNTL0_IN_GATE_EN);
+
+ udelay(200);
+
+ regmap_update_bits(cec_32k->regmap, AO_RTC_ALT_CLK_CNTL0,
+ CLK_CNTL0_OUT_GATE_EN, CLK_CNTL0_OUT_GATE_EN);
+
+ regmap_update_bits(cec_32k->regmap, AO_CRT_CLK_CNTL1,
+ CLK_CNTL1_SELECT_OSC, CLK_CNTL1_SELECT_OSC);
+
+ /* Select 32k from XTAL */
+ regmap_update_bits(cec_32k->regmap,
+ AO_RTI_PWR_CNTL_REG0,
+ PWR_CNTL_ALT_32K_SEL,
+ FIELD_PREP(PWR_CNTL_ALT_32K_SEL, 4));
+
+ return 0;
+}
+
+const struct clk_ops meson_aoclk_cec_32k_ops = {
+ .recalc_rate = aoclk_cec_32k_recalc_rate,
+ .round_rate = aoclk_cec_32k_round_rate,
+ .set_rate = aoclk_cec_32k_set_rate,
+};
diff --git a/drivers/clk/meson/gxbb-aoclk-regmap.c b/drivers/clk/meson/gxbb-aoclk-regmap.c
new file mode 100644
index 000000000000..2515fbfa0467
--- /dev/null
+++ b/drivers/clk/meson/gxbb-aoclk-regmap.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+#include "gxbb-aoclk.h"
+
+static int aoclk_gate_regmap_enable(struct clk_hw *hw)
+{
+ struct aoclk_gate_regmap *gate = to_aoclk_gate_regmap(hw);
+
+ return regmap_update_bits(gate->regmap, AO_RTI_GEN_CNTL_REG0,
+ BIT(gate->bit_idx), BIT(gate->bit_idx));
+}
+
+static void aoclk_gate_regmap_disable(struct clk_hw *hw)
+{
+ struct aoclk_gate_regmap *gate = to_aoclk_gate_regmap(hw);
+
+ regmap_update_bits(gate->regmap, AO_RTI_GEN_CNTL_REG0,
+ BIT(gate->bit_idx), 0);
+}
+
+static int aoclk_gate_regmap_is_enabled(struct clk_hw *hw)
+{
+ struct aoclk_gate_regmap *gate = to_aoclk_gate_regmap(hw);
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(gate->regmap, AO_RTI_GEN_CNTL_REG0, &val);
+ if (ret)
+ return ret;
+
+ return (val & BIT(gate->bit_idx)) != 0;
+}
+
+const struct clk_ops meson_aoclk_gate_regmap_ops = {
+ .enable = aoclk_gate_regmap_enable,
+ .disable = aoclk_gate_regmap_disable,
+ .is_enabled = aoclk_gate_regmap_is_enabled,
+};
diff --git a/drivers/clk/meson/gxbb-aoclk.c b/drivers/clk/meson/gxbb-aoclk.c
index b45c5fba7e35..6c161e0a8e59 100644
--- a/drivers/clk/meson/gxbb-aoclk.c
+++ b/drivers/clk/meson/gxbb-aoclk.c
@@ -56,16 +56,20 @@
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <dt-bindings/clock/gxbb-aoclkc.h>
#include <dt-bindings/reset/gxbb-aoclkc.h>
+#include "gxbb-aoclk.h"
static DEFINE_SPINLOCK(gxbb_aoclk_lock);
struct gxbb_aoclk_reset_controller {
struct reset_controller_dev reset;
unsigned int *data;
- void __iomem *base;
+ struct regmap *regmap;
};
static int gxbb_aoclk_do_reset(struct reset_controller_dev *rcdev,
@@ -74,9 +78,8 @@ static int gxbb_aoclk_do_reset(struct reset_controller_dev *rcdev,
struct gxbb_aoclk_reset_controller *reset =
container_of(rcdev, struct gxbb_aoclk_reset_controller, reset);
- writel(BIT(reset->data[id]), reset->base);
-
- return 0;
+ return regmap_write(reset->regmap, AO_RTI_GEN_CNTL_REG0,
+ BIT(reset->data[id]));
}
static const struct reset_control_ops gxbb_aoclk_reset_ops = {
@@ -84,13 +87,12 @@ static const struct reset_control_ops gxbb_aoclk_reset_ops = {
};
#define GXBB_AO_GATE(_name, _bit) \
-static struct clk_gate _name##_ao = { \
- .reg = (void __iomem *)0, \
+static struct aoclk_gate_regmap _name##_ao = { \
.bit_idx = (_bit), \
.lock = &gxbb_aoclk_lock, \
.hw.init = &(struct clk_init_data) { \
.name = #_name "_ao", \
- .ops = &clk_gate_ops, \
+ .ops = &meson_aoclk_gate_regmap_ops, \
.parent_names = (const char *[]){ "clk81" }, \
.num_parents = 1, \
.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \
@@ -104,6 +106,17 @@ GXBB_AO_GATE(uart1, 3);
GXBB_AO_GATE(uart2, 5);
GXBB_AO_GATE(ir_blaster, 6);
+static struct aoclk_cec_32k cec_32k_ao = {
+ .lock = &gxbb_aoclk_lock,
+ .hw.init = &(struct clk_init_data) {
+ .name = "cec_32k_ao",
+ .ops = &meson_aoclk_cec_32k_ops,
+ .parent_names = (const char *[]){ "xtal" },
+ .num_parents = 1,
+ .flags = CLK_IGNORE_UNUSED,
+ },
+};
+
static unsigned int gxbb_aoclk_reset[] = {
[RESET_AO_REMOTE] = 16,
[RESET_AO_I2C_MASTER] = 18,
@@ -113,7 +126,7 @@ static unsigned int gxbb_aoclk_reset[] = {
[RESET_AO_IR_BLASTER] = 23,
};
-static struct clk_gate *gxbb_aoclk_gate[] = {
+static struct aoclk_gate_regmap *gxbb_aoclk_gate[] = {
[CLKID_AO_REMOTE] = &remote_ao,
[CLKID_AO_I2C_MASTER] = &i2c_master_ao,
[CLKID_AO_I2C_SLAVE] = &i2c_slave_ao,
@@ -130,30 +143,30 @@ static struct clk_hw_onecell_data gxbb_aoclk_onecell_data = {
[CLKID_AO_UART1] = &uart1_ao.hw,
[CLKID_AO_UART2] = &uart2_ao.hw,
[CLKID_AO_IR_BLASTER] = &ir_blaster_ao.hw,
+ [CLKID_AO_CEC_32K] = &cec_32k_ao.hw,
},
- .num = ARRAY_SIZE(gxbb_aoclk_gate),
+ .num = 7,
};
static int gxbb_aoclkc_probe(struct platform_device *pdev)
{
- struct resource *res;
- void __iomem *base;
- int ret, clkid;
- struct device *dev = &pdev->dev;
struct gxbb_aoclk_reset_controller *rstc;
+ struct device *dev = &pdev->dev;
+ struct regmap *regmap;
+ int ret, clkid;
rstc = devm_kzalloc(dev, sizeof(*rstc), GFP_KERNEL);
if (!rstc)
return -ENOMEM;
- /* Generic clocks */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(dev, res);
- if (IS_ERR(base))
- return PTR_ERR(base);
+ regmap = syscon_node_to_regmap(of_get_parent(dev->of_node));
+ if (IS_ERR(regmap)) {
+ dev_err(dev, "failed to get regmap\n");
+ return -ENODEV;
+ }
/* Reset Controller */
- rstc->base = base;
+ rstc->regmap = regmap;
rstc->data = gxbb_aoclk_reset;
rstc->reset.ops = &gxbb_aoclk_reset_ops;
rstc->reset.nr_resets = ARRAY_SIZE(gxbb_aoclk_reset);
@@ -161,10 +174,10 @@ static int gxbb_aoclkc_probe(struct platform_device *pdev)
ret = devm_reset_controller_register(dev, &rstc->reset);
/*
- * Populate base address and register all clks
+ * Populate regmap and register all clks
*/
- for (clkid = 0; clkid < gxbb_aoclk_onecell_data.num; clkid++) {
- gxbb_aoclk_gate[clkid]->reg = base;
+ for (clkid = 0; clkid < ARRAY_SIZE(gxbb_aoclk_gate); clkid++) {
+ gxbb_aoclk_gate[clkid]->regmap = regmap;
ret = devm_clk_hw_register(dev,
gxbb_aoclk_onecell_data.hws[clkid]);
@@ -172,12 +185,18 @@ static int gxbb_aoclkc_probe(struct platform_device *pdev)
return ret;
}
+ /* Specific clocks */
+ cec_32k_ao.regmap = regmap;
+ ret = devm_clk_hw_register(dev, &cec_32k_ao.hw);
+ if (ret)
+ return ret;
+
return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
&gxbb_aoclk_onecell_data);
}
static const struct of_device_id gxbb_aoclkc_match_table[] = {
- { .compatible = "amlogic,gxbb-aoclkc" },
+ { .compatible = "amlogic,meson-gx-aoclkc" },
{ }
};
diff --git a/drivers/clk/meson/gxbb-aoclk.h b/drivers/clk/meson/gxbb-aoclk.h
new file mode 100644
index 000000000000..e8604c8f7eee
--- /dev/null
+++ b/drivers/clk/meson/gxbb-aoclk.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __GXBB_AOCLKC_H
+#define __GXBB_AOCLKC_H
+
+/* AO Configuration Clock registers offsets */
+#define AO_RTI_PWR_CNTL_REG1 0x0c
+#define AO_RTI_PWR_CNTL_REG0 0x10
+#define AO_RTI_GEN_CNTL_REG0 0x40
+#define AO_OSCIN_CNTL 0x58
+#define AO_CRT_CLK_CNTL1 0x68
+#define AO_RTC_ALT_CLK_CNTL0 0x94
+#define AO_RTC_ALT_CLK_CNTL1 0x98
+
+struct aoclk_gate_regmap {
+ struct clk_hw hw;
+ unsigned bit_idx;
+ struct regmap *regmap;
+ spinlock_t *lock;
+};
+
+#define to_aoclk_gate_regmap(_hw) \
+ container_of(_hw, struct aoclk_gate_regmap, hw)
+
+extern const struct clk_ops meson_aoclk_gate_regmap_ops;
+
+struct aoclk_cec_32k {
+ struct clk_hw hw;
+ struct regmap *regmap;
+ spinlock_t *lock;
+};
+
+#define to_aoclk_cec_32k(_hw) container_of(_hw, struct aoclk_cec_32k, hw)
+
+extern const struct clk_ops meson_aoclk_cec_32k_ops;
+
+#endif /* __GXBB_AOCLKC_H */
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index a897ea45327c..b2d1e8ed7152 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -528,6 +528,11 @@ static struct meson_clk_mpll gxbb_mpll0 = {
.shift = 14,
.width = 1,
},
+ .ssen = {
+ .reg_off = HHI_MPLL_CNTL,
+ .shift = 25,
+ .width = 1,
+ },
.lock = &clk_lock,
.hw.init = &(struct clk_init_data){
.name = "mpll0",
@@ -845,13 +850,14 @@ static struct meson_clk_audio_divider gxbb_cts_amclk_div = {
.shift = 0,
.width = 8,
},
+ .flags = CLK_DIVIDER_ROUND_CLOSEST,
.lock = &clk_lock,
.hw.init = &(struct clk_init_data){
.name = "cts_amclk_div",
.ops = &meson_clk_audio_divider_ops,
.parent_names = (const char *[]){ "cts_amclk_sel" },
.num_parents = 1,
- .flags = CLK_SET_RATE_PARENT | CLK_DIVIDER_ROUND_CLOSEST,
+ .flags = CLK_SET_RATE_PARENT,
},
};
@@ -875,7 +881,7 @@ static struct clk_mux gxbb_cts_mclk_i958_sel = {
/* Default parent unknown (register reset value: 0) */
.table = (u32[]){ 1, 2, 3 },
.lock = &clk_lock,
- .hw.init = &(struct clk_init_data){
+ .hw.init = &(struct clk_init_data) {
.name = "cts_mclk_i958_sel",
.ops = &clk_mux_ops,
.parent_names = (const char *[]){ "mpll0", "mpll1", "mpll2" },
@@ -889,12 +895,13 @@ static struct clk_divider gxbb_cts_mclk_i958_div = {
.shift = 16,
.width = 8,
.lock = &clk_lock,
- .hw.init = &(struct clk_init_data){
+ .flags = CLK_DIVIDER_ROUND_CLOSEST,
+ .hw.init = &(struct clk_init_data) {
.name = "cts_mclk_i958_div",
.ops = &clk_divider_ops,
.parent_names = (const char *[]){ "cts_mclk_i958_sel" },
.num_parents = 1,
- .flags = CLK_SET_RATE_PARENT | CLK_DIVIDER_ROUND_CLOSEST,
+ .flags = CLK_SET_RATE_PARENT,
},
};
@@ -974,6 +981,156 @@ static struct clk_mux gxbb_32k_clk_sel = {
},
};
+static const char * const gxbb_sd_emmc_clk0_parent_names[] = {
+ "xtal", "fclk_div2", "fclk_div3", "fclk_div5", "fclk_div7",
+
+ /*
+ * Following these parent clocks, we should also have had mpll2, mpll3
+ * and gp0_pll but these clocks are too precious to be used here. All
+ * the necessary rates for MMC and NAND operation can be acheived using
+ * xtal or fclk_div clocks
+ */
+};
+
+/* SDIO clock */
+static struct clk_mux gxbb_sd_emmc_a_clk0_sel = {
+ .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
+ .mask = 0x7,
+ .shift = 9,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data) {
+ .name = "sd_emmc_a_clk0_sel",
+ .ops = &clk_mux_ops,
+ .parent_names = gxbb_sd_emmc_clk0_parent_names,
+ .num_parents = ARRAY_SIZE(gxbb_sd_emmc_clk0_parent_names),
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_divider gxbb_sd_emmc_a_clk0_div = {
+ .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
+ .shift = 0,
+ .width = 7,
+ .lock = &clk_lock,
+ .flags = CLK_DIVIDER_ROUND_CLOSEST,
+ .hw.init = &(struct clk_init_data) {
+ .name = "sd_emmc_a_clk0_div",
+ .ops = &clk_divider_ops,
+ .parent_names = (const char *[]){ "sd_emmc_a_clk0_sel" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_gate gxbb_sd_emmc_a_clk0 = {
+ .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
+ .bit_idx = 7,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data){
+ .name = "sd_emmc_a_clk0",
+ .ops = &clk_gate_ops,
+ .parent_names = (const char *[]){ "sd_emmc_a_clk0_div" },
+ .num_parents = 1,
+
+ /*
+ * FIXME:
+ * We need CLK_IGNORE_UNUSED because mmc DT node point to xtal
+ * instead of this clock. CCF would gate this on boot, killing
+ * the mmc controller. Please remove this flag once DT properly
+ * point to this clock instead of xtal
+ *
+ * Same goes for emmc B and C clocks
+ */
+ .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+ },
+};
+
+/* SDcard clock */
+static struct clk_mux gxbb_sd_emmc_b_clk0_sel = {
+ .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
+ .mask = 0x7,
+ .shift = 25,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data) {
+ .name = "sd_emmc_b_clk0_sel",
+ .ops = &clk_mux_ops,
+ .parent_names = gxbb_sd_emmc_clk0_parent_names,
+ .num_parents = ARRAY_SIZE(gxbb_sd_emmc_clk0_parent_names),
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_divider gxbb_sd_emmc_b_clk0_div = {
+ .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
+ .shift = 16,
+ .width = 7,
+ .lock = &clk_lock,
+ .flags = CLK_DIVIDER_ROUND_CLOSEST,
+ .hw.init = &(struct clk_init_data) {
+ .name = "sd_emmc_b_clk0_div",
+ .ops = &clk_divider_ops,
+ .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_gate gxbb_sd_emmc_b_clk0 = {
+ .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
+ .bit_idx = 23,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data){
+ .name = "sd_emmc_b_clk0",
+ .ops = &clk_gate_ops,
+ .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+ },
+};
+
+/* EMMC/NAND clock */
+static struct clk_mux gxbb_sd_emmc_c_clk0_sel = {
+ .reg = (void *)HHI_NAND_CLK_CNTL,
+ .mask = 0x7,
+ .shift = 9,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data) {
+ .name = "sd_emmc_c_clk0_sel",
+ .ops = &clk_mux_ops,
+ .parent_names = gxbb_sd_emmc_clk0_parent_names,
+ .num_parents = ARRAY_SIZE(gxbb_sd_emmc_clk0_parent_names),
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_divider gxbb_sd_emmc_c_clk0_div = {
+ .reg = (void *)HHI_NAND_CLK_CNTL,
+ .shift = 0,
+ .width = 7,
+ .lock = &clk_lock,
+ .flags = CLK_DIVIDER_ROUND_CLOSEST,
+ .hw.init = &(struct clk_init_data) {
+ .name = "sd_emmc_c_clk0_div",
+ .ops = &clk_divider_ops,
+ .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_gate gxbb_sd_emmc_c_clk0 = {
+ .reg = (void *)HHI_NAND_CLK_CNTL,
+ .bit_idx = 7,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data){
+ .name = "sd_emmc_c_clk0",
+ .ops = &clk_gate_ops,
+ .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+ },
+};
+
/* Everything Else (EE) domain gates */
static MESON_GATE(gxbb_ddr, HHI_GCLK_MPEG0, 0);
static MESON_GATE(gxbb_dos, HHI_GCLK_MPEG0, 1);
@@ -1183,6 +1340,16 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = {
[CLKID_32K_CLK] = &gxbb_32k_clk.hw,
[CLKID_32K_CLK_SEL] = &gxbb_32k_clk_sel.hw,
[CLKID_32K_CLK_DIV] = &gxbb_32k_clk_div.hw,
+ [CLKID_SD_EMMC_A_CLK0_SEL] = &gxbb_sd_emmc_a_clk0_sel.hw,
+ [CLKID_SD_EMMC_A_CLK0_DIV] = &gxbb_sd_emmc_a_clk0_div.hw,
+ [CLKID_SD_EMMC_A_CLK0] = &gxbb_sd_emmc_a_clk0.hw,
+ [CLKID_SD_EMMC_B_CLK0_SEL] = &gxbb_sd_emmc_b_clk0_sel.hw,
+ [CLKID_SD_EMMC_B_CLK0_DIV] = &gxbb_sd_emmc_b_clk0_div.hw,
+ [CLKID_SD_EMMC_B_CLK0] = &gxbb_sd_emmc_b_clk0.hw,
+ [CLKID_SD_EMMC_C_CLK0_SEL] = &gxbb_sd_emmc_c_clk0_sel.hw,
+ [CLKID_SD_EMMC_C_CLK0_DIV] = &gxbb_sd_emmc_c_clk0_div.hw,
+ [CLKID_SD_EMMC_C_CLK0] = &gxbb_sd_emmc_c_clk0.hw,
+ [NR_CLKS] = NULL,
},
.num = NR_CLKS,
};
@@ -1305,6 +1472,16 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = {
[CLKID_32K_CLK] = &gxbb_32k_clk.hw,
[CLKID_32K_CLK_SEL] = &gxbb_32k_clk_sel.hw,
[CLKID_32K_CLK_DIV] = &gxbb_32k_clk_div.hw,
+ [CLKID_SD_EMMC_A_CLK0_SEL] = &gxbb_sd_emmc_a_clk0_sel.hw,
+ [CLKID_SD_EMMC_A_CLK0_DIV] = &gxbb_sd_emmc_a_clk0_div.hw,
+ [CLKID_SD_EMMC_A_CLK0] = &gxbb_sd_emmc_a_clk0.hw,
+ [CLKID_SD_EMMC_B_CLK0_SEL] = &gxbb_sd_emmc_b_clk0_sel.hw,
+ [CLKID_SD_EMMC_B_CLK0_DIV] = &gxbb_sd_emmc_b_clk0_div.hw,
+ [CLKID_SD_EMMC_B_CLK0] = &gxbb_sd_emmc_b_clk0.hw,
+ [CLKID_SD_EMMC_C_CLK0_SEL] = &gxbb_sd_emmc_c_clk0_sel.hw,
+ [CLKID_SD_EMMC_C_CLK0_DIV] = &gxbb_sd_emmc_c_clk0_div.hw,
+ [CLKID_SD_EMMC_C_CLK0] = &gxbb_sd_emmc_c_clk0.hw,
+ [NR_CLKS] = NULL,
},
.num = NR_CLKS,
};
@@ -1420,6 +1597,9 @@ static struct clk_gate *const gxbb_clk_gates[] = {
&gxbb_cts_amclk,
&gxbb_cts_mclk_i958,
&gxbb_32k_clk,
+ &gxbb_sd_emmc_a_clk0,
+ &gxbb_sd_emmc_b_clk0,
+ &gxbb_sd_emmc_c_clk0,
};
static struct clk_mux *const gxbb_clk_muxes[] = {
@@ -1432,6 +1612,9 @@ static struct clk_mux *const gxbb_clk_muxes[] = {
&gxbb_cts_mclk_i958_sel,
&gxbb_cts_i958,
&gxbb_32k_clk_sel,
+ &gxbb_sd_emmc_a_clk0_sel,
+ &gxbb_sd_emmc_b_clk0_sel,
+ &gxbb_sd_emmc_c_clk0_sel,
};
static struct clk_divider *const gxbb_clk_dividers[] = {
@@ -1441,6 +1624,9 @@ static struct clk_divider *const gxbb_clk_dividers[] = {
&gxbb_mali_1_div,
&gxbb_cts_mclk_i958_div,
&gxbb_32k_clk_div,
+ &gxbb_sd_emmc_a_clk0_div,
+ &gxbb_sd_emmc_b_clk0_div,
+ &gxbb_sd_emmc_c_clk0_div,
};
static struct meson_clk_audio_divider *const gxbb_audio_dividers[] = {
diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h
index d63e77e8433d..5b1d4b374d1c 100644
--- a/drivers/clk/meson/gxbb.h
+++ b/drivers/clk/meson/gxbb.h
@@ -167,130 +167,33 @@
* CLKID index values
*
* These indices are entirely contrived and do not map onto the hardware.
- * Migrate them out of this header and into the DT header file when they need
- * to be exposed to client nodes in DT: include/dt-bindings/clock/gxbb-clkc.h
+ * It has now been decided to expose everything by default in the DT header:
+ * include/dt-bindings/clock/gxbb-clkc.h. Only the clocks ids we don't want
+ * to expose, such as the internal muxes and dividers of composite clocks,
+ * will remain defined here.
*/
-#define CLKID_SYS_PLL 0
/* ID 1 is unused (it was used by the non-existing CLKID_CPUCLK before) */
-/* CLKID_HDMI_PLL */
-#define CLKID_FIXED_PLL 3
-/* CLKID_FCLK_DIV2 */
-/* CLKID_FCLK_DIV3 */
-/* CLKID_FCLK_DIV4 */
-#define CLKID_FCLK_DIV5 7
-#define CLKID_FCLK_DIV7 8
-/* CLKID_GP0_PLL */
#define CLKID_MPEG_SEL 10
#define CLKID_MPEG_DIV 11
-/* CLKID_CLK81 */
-#define CLKID_MPLL0 13
-#define CLKID_MPLL1 14
-/* CLKID_MPLL2 */
-#define CLKID_DDR 16
-#define CLKID_DOS 17
-#define CLKID_ISA 18
-#define CLKID_PL301 19
-#define CLKID_PERIPHS 20
-/* CLKID_SPICC */
-/* CLKID_I2C */
-/* #define CLKID_SAR_ADC */
-#define CLKID_SMART_CARD 24
-/* CLKID_RNG0 */
-/* CLKID_UART0 */
-#define CLKID_SDHC 27
-#define CLKID_STREAM 28
-#define CLKID_ASYNC_FIFO 29
-#define CLKID_SDIO 30
-#define CLKID_ABUF 31
-#define CLKID_HIU_IFACE 32
-#define CLKID_ASSIST_MISC 33
-/* CLKID_SPI */
-#define CLKID_I2S_SPDIF 35
-/* CLKID_ETH */
-#define CLKID_DEMUX 37
-/* CLKID_AIU_GLUE */
-/* CLKID_IEC958 */
-/* CLKID_I2S_OUT */
-#define CLKID_AMCLK 41
-#define CLKID_AIFIFO2 42
-#define CLKID_MIXER 43
-/* CLKID_MIXER_IFACE */
-#define CLKID_ADC 45
-#define CLKID_BLKMV 46
-/* CLKID_AIU */
-/* CLKID_UART1 */
-#define CLKID_G2D 49
-/* CLKID_USB0 */
-/* CLKID_USB1 */
-#define CLKID_RESET 52
-#define CLKID_NAND 53
-#define CLKID_DOS_PARSER 54
-/* CLKID_USB */
-#define CLKID_VDIN1 56
-#define CLKID_AHB_ARB0 57
-#define CLKID_EFUSE 58
-#define CLKID_BOOT_ROM 59
-#define CLKID_AHB_DATA_BUS 60
-#define CLKID_AHB_CTRL_BUS 61
-#define CLKID_HDMI_INTR_SYNC 62
-/* CLKID_HDMI_PCLK */
-/* CLKID_USB1_DDR_BRIDGE */
-/* CLKID_USB0_DDR_BRIDGE */
-#define CLKID_MMC_PCLK 66
-#define CLKID_DVIN 67
-/* CLKID_UART2 */
-/* #define CLKID_SANA */
-#define CLKID_VPU_INTR 70
-#define CLKID_SEC_AHB_AHB3_BRIDGE 71
-#define CLKID_CLK81_A53 72
-#define CLKID_VCLK2_VENCI0 73
-#define CLKID_VCLK2_VENCI1 74
-#define CLKID_VCLK2_VENCP0 75
-#define CLKID_VCLK2_VENCP1 76
-/* CLKID_GCLK_VENCI_INT0 */
-#define CLKID_GCLK_VENCI_INT 78
-#define CLKID_DAC_CLK 79
-/* CLKID_AOCLK_GATE */
-/* CLKID_IEC958_GATE */
-#define CLKID_ENC480P 82
-#define CLKID_RNG1 83
-#define CLKID_GCLK_VENCI_INT1 84
-#define CLKID_VCLK2_VENCLMCC 85
-#define CLKID_VCLK2_VENCL 86
-#define CLKID_VCLK_OTHER 87
-#define CLKID_EDP 88
-#define CLKID_AO_MEDIA_CPU 89
-#define CLKID_AO_AHB_SRAM 90
-#define CLKID_AO_AHB_BUS 91
-#define CLKID_AO_IFACE 92
-/* CLKID_AO_I2C */
-/* CLKID_SD_EMMC_A */
-/* CLKID_SD_EMMC_B */
-/* CLKID_SD_EMMC_C */
-/* CLKID_SAR_ADC_CLK */
-/* CLKID_SAR_ADC_SEL */
#define CLKID_SAR_ADC_DIV 99
-/* CLKID_MALI_0_SEL */
-#define CLKID_MALI_0_DIV 101
-/* CLKID_MALI_0 */
-/* CLKID_MALI_1_SEL */
-#define CLKID_MALI_1_DIV 104
-/* CLKID_MALI_1 */
-/* CLKID_MALI */
-/* CLKID_CTS_AMCLK */
+#define CLKID_MALI_0_DIV 101
+#define CLKID_MALI_1_DIV 104
#define CLKID_CTS_AMCLK_SEL 108
#define CLKID_CTS_AMCLK_DIV 109
-/* CLKID_CTS_MCLK_I958 */
#define CLKID_CTS_MCLK_I958_SEL 111
#define CLKID_CTS_MCLK_I958_DIV 112
-/* CLKID_CTS_I958 */
-#define CLKID_32K_CLK 114
#define CLKID_32K_CLK_SEL 115
#define CLKID_32K_CLK_DIV 116
+#define CLKID_SD_EMMC_A_CLK0_SEL 117
+#define CLKID_SD_EMMC_A_CLK0_DIV 118
+#define CLKID_SD_EMMC_B_CLK0_SEL 120
+#define CLKID_SD_EMMC_B_CLK0_DIV 121
+#define CLKID_SD_EMMC_C_CLK0_SEL 123
+#define CLKID_SD_EMMC_C_CLK0_DIV 124
-#define NR_CLKS 117
+#define NR_CLKS 126
-/* include the CLKIDs that have been made part of the stable DT binding */
+/* include the CLKIDs that have been made part of the DT binding */
#include <dt-bindings/clock/gxbb-clkc.h>
#endif /* __GXBB_H */
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index bb3f1de876b1..20ab7190d328 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -25,6 +25,8 @@
#include <linux/clk-provider.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
+#include <linux/reset-controller.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include "clkc.h"
@@ -32,6 +34,13 @@
static DEFINE_SPINLOCK(clk_lock);
+static void __iomem *clk_base;
+
+struct meson8b_clk_reset {
+ struct reset_controller_dev reset;
+ void __iomem *base;
+};
+
static const struct pll_rate_table sys_pll_rate_table[] = {
PLL_RATE(312000000, 52, 1, 2),
PLL_RATE(336000000, 56, 1, 2),
@@ -267,6 +276,11 @@ static struct meson_clk_mpll meson8b_mpll0 = {
.shift = 14,
.width = 1,
},
+ .ssen = {
+ .reg_off = HHI_MPLL_CNTL,
+ .shift = 25,
+ .width = 1,
+ },
.lock = &clk_lock,
.hw.init = &(struct clk_init_data){
.name = "mpll0",
@@ -585,6 +599,7 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
[CLKID_MPLL0] = &meson8b_mpll0.hw,
[CLKID_MPLL1] = &meson8b_mpll1.hw,
[CLKID_MPLL2] = &meson8b_mpll2.hw,
+ [CLK_NR_CLKS] = NULL,
},
.num = CLK_NR_CLKS,
};
@@ -690,20 +705,114 @@ static struct clk_divider *const meson8b_clk_dividers[] = {
&meson8b_mpeg_clk_div,
};
+static const struct meson8b_clk_reset_line {
+ u32 reg;
+ u8 bit_idx;
+} meson8b_clk_reset_bits[] = {
+ [CLKC_RESET_L2_CACHE_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 30
+ },
+ [CLKC_RESET_AXI_64_TO_128_BRIDGE_A5_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 29
+ },
+ [CLKC_RESET_SCU_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 28
+ },
+ [CLKC_RESET_CPU3_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 27
+ },
+ [CLKC_RESET_CPU2_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 26
+ },
+ [CLKC_RESET_CPU1_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 25
+ },
+ [CLKC_RESET_CPU0_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 24
+ },
+ [CLKC_RESET_A5_GLOBAL_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 18
+ },
+ [CLKC_RESET_A5_AXI_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 17
+ },
+ [CLKC_RESET_A5_ABP_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 16
+ },
+ [CLKC_RESET_AXI_64_TO_128_BRIDGE_MMC_SOFT_RESET] = {
+ .reg = HHI_SYS_CPU_CLK_CNTL1, .bit_idx = 30
+ },
+ [CLKC_RESET_VID_CLK_CNTL_SOFT_RESET] = {
+ .reg = HHI_VID_CLK_CNTL, .bit_idx = 15
+ },
+ [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_POST] = {
+ .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 7
+ },
+ [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_PRE] = {
+ .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 3
+ },
+ [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_POST] = {
+ .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 1
+ },
+ [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_PRE] = {
+ .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 0
+ },
+};
+
+static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev,
+ unsigned long id, bool assert)
+{
+ struct meson8b_clk_reset *meson8b_clk_reset =
+ container_of(rcdev, struct meson8b_clk_reset, reset);
+ unsigned long flags;
+ const struct meson8b_clk_reset_line *reset;
+ u32 val;
+
+ if (id >= ARRAY_SIZE(meson8b_clk_reset_bits))
+ return -EINVAL;
+
+ reset = &meson8b_clk_reset_bits[id];
+
+ spin_lock_irqsave(&clk_lock, flags);
+
+ val = readl(meson8b_clk_reset->base + reset->reg);
+ if (assert)
+ val |= BIT(reset->bit_idx);
+ else
+ val &= ~BIT(reset->bit_idx);
+ writel(val, meson8b_clk_reset->base + reset->reg);
+
+ spin_unlock_irqrestore(&clk_lock, flags);
+
+ return 0;
+}
+
+static int meson8b_clk_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ return meson8b_clk_reset_update(rcdev, id, true);
+}
+
+static int meson8b_clk_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ return meson8b_clk_reset_update(rcdev, id, false);
+}
+
+static const struct reset_control_ops meson8b_clk_reset_ops = {
+ .assert = meson8b_clk_reset_assert,
+ .deassert = meson8b_clk_reset_deassert,
+};
+
static int meson8b_clkc_probe(struct platform_device *pdev)
{
- void __iomem *clk_base;
int ret, clkid, i;
struct clk_hw *parent_hw;
struct clk *parent_clk;
struct device *dev = &pdev->dev;
- /* Generic clocks and PLLs */
- clk_base = of_iomap(dev->of_node, 1);
- if (!clk_base) {
- pr_err("%s: Unable to map clk base\n", __func__);
+ if (!clk_base)
return -ENXIO;
- }
/* Populate base address for PLLs */
for (i = 0; i < ARRAY_SIZE(meson8b_clk_plls); i++)
@@ -743,7 +852,7 @@ static int meson8b_clkc_probe(struct platform_device *pdev)
/* FIXME convert to devm_clk_register */
ret = devm_clk_hw_register(dev, meson8b_hw_onecell_data.hws[clkid]);
if (ret)
- goto iounmap;
+ return ret;
}
/*
@@ -766,15 +875,11 @@ static int meson8b_clkc_probe(struct platform_device *pdev)
if (ret) {
pr_err("%s: failed to register clock notifier for cpu_clk\n",
__func__);
- goto iounmap;
+ return ret;
}
return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
&meson8b_hw_onecell_data);
-
-iounmap:
- iounmap(clk_base);
- return ret;
}
static const struct of_device_id meson8b_clkc_match_table[] = {
@@ -793,3 +898,39 @@ static struct platform_driver meson8b_driver = {
};
builtin_platform_driver(meson8b_driver);
+
+static void __init meson8b_clkc_reset_init(struct device_node *np)
+{
+ struct meson8b_clk_reset *rstc;
+ int ret;
+
+ /* Generic clocks, PLLs and some of the reset-bits */
+ clk_base = of_iomap(np, 1);
+ if (!clk_base) {
+ pr_err("%s: Unable to map clk base\n", __func__);
+ return;
+ }
+
+ rstc = kzalloc(sizeof(*rstc), GFP_KERNEL);
+ if (!rstc)
+ return;
+
+ /* Reset Controller */
+ rstc->base = clk_base;
+ rstc->reset.ops = &meson8b_clk_reset_ops;
+ rstc->reset.nr_resets = ARRAY_SIZE(meson8b_clk_reset_bits);
+ rstc->reset.of_node = np;
+ ret = reset_controller_register(&rstc->reset);
+ if (ret) {
+ pr_err("%s: Failed to register clkc reset controller: %d\n",
+ __func__, ret);
+ return;
+ }
+}
+
+CLK_OF_DECLARE_DRIVER(meson8_clkc, "amlogic,meson8-clkc",
+ meson8b_clkc_reset_init);
+CLK_OF_DECLARE_DRIVER(meson8b_clkc, "amlogic,meson8b-clkc",
+ meson8b_clkc_reset_init);
+CLK_OF_DECLARE_DRIVER(meson8m2_clkc, "amlogic,meson8m2-clkc",
+ meson8b_clkc_reset_init);
diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h
index a687e02547dc..2eaf8a52e7dd 100644
--- a/drivers/clk/meson/meson8b.h
+++ b/drivers/clk/meson/meson8b.h
@@ -37,6 +37,9 @@
#define HHI_GCLK_AO 0x154 /* 0x55 offset in data sheet */
#define HHI_SYS_CPU_CLK_CNTL1 0x15c /* 0x57 offset in data sheet */
#define HHI_MPEG_CLK_CNTL 0x174 /* 0x5d offset in data sheet */
+#define HHI_VID_CLK_CNTL 0x17c /* 0x5f offset in data sheet */
+#define HHI_VID_DIVIDER_CNTL 0x198 /* 0x66 offset in data sheet */
+#define HHI_SYS_CPU_CLK_CNTL0 0x19c /* 0x67 offset in data sheet */
#define HHI_MPLL_CNTL 0x280 /* 0xa0 offset in data sheet */
#define HHI_SYS_PLL_CNTL 0x300 /* 0xc0 offset in data sheet */
#define HHI_VID_PLL_CNTL 0x320 /* 0xc8 offset in data sheet */
@@ -60,110 +63,19 @@
* CLKID index values
*
* These indices are entirely contrived and do not map onto the hardware.
- * Migrate them out of this header and into the DT header file when they need
- * to be exposed to client nodes in DT: include/dt-bindings/clock/meson8b-clkc.h
+ * It has now been decided to expose everything by default in the DT header:
+ * include/dt-bindings/clock/gxbb-clkc.h. Only the clocks ids we don't want
+ * to expose, such as the internal muxes and dividers of composite clocks,
+ * will remain defined here.
*/
-/* CLKID_UNUSED */
-/* CLKID_XTAL */
-/* CLKID_PLL_FIXED */
-/* CLKID_PLL_VID */
-/* CLKID_PLL_SYS */
-/* CLKID_FCLK_DIV2 */
-/* CLKID_FCLK_DIV3 */
-/* CLKID_FCLK_DIV4 */
-/* CLKID_FCLK_DIV5 */
-/* CLKID_FCLK_DIV7 */
-/* CLKID_CLK81 */
-/* CLKID_MALI */
-/* CLKID_CPUCLK */
-/* CLKID_ZERO */
-/* CLKID_MPEG_SEL */
-/* CLKID_MPEG_DIV */
-#define CLKID_DDR 16
-#define CLKID_DOS 17
-#define CLKID_ISA 18
-#define CLKID_PL301 19
-#define CLKID_PERIPHS 20
-#define CLKID_SPICC 21
-#define CLKID_I2C 22
-/* #define CLKID_SAR_ADC */
-#define CLKID_SMART_CARD 24
-/* #define CLKID_RNG0 */
-#define CLKID_UART0 26
-#define CLKID_SDHC 27
-#define CLKID_STREAM 28
-#define CLKID_ASYNC_FIFO 29
-/* #define CLKID_SDIO */
-#define CLKID_ABUF 31
-#define CLKID_HIU_IFACE 32
-#define CLKID_ASSIST_MISC 33
-#define CLKID_SPI 34
-#define CLKID_I2S_SPDIF 35
-/* #define CLKID_ETH */
-#define CLKID_DEMUX 37
-#define CLKID_AIU_GLUE 38
-#define CLKID_IEC958 39
-#define CLKID_I2S_OUT 40
-#define CLKID_AMCLK 41
-#define CLKID_AIFIFO2 42
-#define CLKID_MIXER 43
-#define CLKID_MIXER_IFACE 44
-#define CLKID_ADC 45
-#define CLKID_BLKMV 46
-#define CLKID_AIU 47
-#define CLKID_UART1 48
-#define CLKID_G2D 49
-/* #define CLKID_USB0 */
-/* #define CLKID_USB1 */
-#define CLKID_RESET 52
-#define CLKID_NAND 53
-#define CLKID_DOS_PARSER 54
-/* #define CLKID_USB */
-#define CLKID_VDIN1 56
-#define CLKID_AHB_ARB0 57
-#define CLKID_EFUSE 58
-#define CLKID_BOOT_ROM 59
-#define CLKID_AHB_DATA_BUS 60
-#define CLKID_AHB_CTRL_BUS 61
-#define CLKID_HDMI_INTR_SYNC 62
-#define CLKID_HDMI_PCLK 63
-/* CLKID_USB1_DDR_BRIDGE */
-/* CLKID_USB0_DDR_BRIDGE */
-#define CLKID_MMC_PCLK 66
-#define CLKID_DVIN 67
-#define CLKID_UART2 68
-/* #define CLKID_SANA */
-#define CLKID_VPU_INTR 70
-#define CLKID_SEC_AHB_AHB3_BRIDGE 71
-#define CLKID_CLK81_A9 72
-#define CLKID_VCLK2_VENCI0 73
-#define CLKID_VCLK2_VENCI1 74
-#define CLKID_VCLK2_VENCP0 75
-#define CLKID_VCLK2_VENCP1 76
-#define CLKID_GCLK_VENCI_INT 77
-#define CLKID_GCLK_VENCP_INT 78
-#define CLKID_DAC_CLK 79
-#define CLKID_AOCLK_GATE 80
-#define CLKID_IEC958_GATE 81
-#define CLKID_ENC480P 82
-#define CLKID_RNG1 83
-#define CLKID_GCLK_VENCL_INT 84
-#define CLKID_VCLK2_VENCLMCC 85
-#define CLKID_VCLK2_VENCL 86
-#define CLKID_VCLK2_OTHER 87
-#define CLKID_EDP 88
-#define CLKID_AO_MEDIA_CPU 89
-#define CLKID_AO_AHB_SRAM 90
-#define CLKID_AO_AHB_BUS 91
-#define CLKID_AO_IFACE 92
-#define CLKID_MPLL0 93
-#define CLKID_MPLL1 94
-#define CLKID_MPLL2 95
-
#define CLK_NR_CLKS 96
-/* include the CLKIDs that have been made part of the stable DT binding */
+/*
+ * include the CLKID and RESETID that have
+ * been made part of the stable DT binding
+ */
#include <dt-bindings/clock/meson8b-clkc.h>
+#include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
#endif /* __MESON8B_H */
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
index 61893fe73251..089927e4cda2 100644
--- a/drivers/clk/mmp/clk.c
+++ b/drivers/clk/mmp/clk.c
@@ -9,7 +9,7 @@
void mmp_clk_init(struct device_node *np, struct mmp_clk_unit *unit,
int nr_clks)
{
- static struct clk **clk_table;
+ struct clk **clk_table;
clk_table = kcalloc(nr_clks, sizeof(struct clk *), GFP_KERNEL);
if (!clk_table)
diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c
index d990fe44aef3..cc03d5508627 100644
--- a/drivers/clk/qcom/clk-smd-rpm.c
+++ b/drivers/clk/qcom/clk-smd-rpm.c
@@ -412,8 +412,6 @@ static const struct clk_ops clk_smd_rpm_ops = {
static const struct clk_ops clk_smd_rpm_branch_ops = {
.prepare = clk_smd_rpm_prepare,
.unprepare = clk_smd_rpm_unprepare,
- .round_rate = clk_smd_rpm_round_rate,
- .recalc_rate = clk_smd_rpm_recalc_rate,
};
/* msm8916 */
diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c
index 2cfe7000fc60..3410ee68d4bc 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -1176,7 +1176,7 @@ static struct clk_rcg2 bimc_gpu_clk_src = {
.parent_names = gcc_xo_gpll0_bimc,
.num_parents = 3,
.flags = CLK_GET_RATE_NOCACHE,
- .ops = &clk_rcg2_shared_ops,
+ .ops = &clk_rcg2_ops,
},
};
diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c
index 8abc200d4fd3..7ddec886fcd3 100644
--- a/drivers/clk/qcom/gcc-msm8996.c
+++ b/drivers/clk/qcom/gcc-msm8996.c
@@ -2730,6 +2730,32 @@ static struct clk_fixed_factor ufs_rx_cfg_clk_src = {
},
};
+static struct clk_branch gcc_hlos1_vote_lpass_core_smmu_clk = {
+ .halt_reg = 0x7d010,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x7d010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "hlos1_vote_lpass_core_smmu_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_hlos1_vote_lpass_adsp_smmu_clk = {
+ .halt_reg = 0x7d014,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x7d014,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "hlos1_vote_lpass_adsp_smmu_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
static struct clk_branch gcc_ufs_rx_cfg_clk = {
.halt_reg = 0x75014,
.clkr = {
@@ -3307,6 +3333,8 @@ static struct clk_regmap *gcc_msm8996_clocks[] = {
[GCC_UFS_AHB_CLK] = &gcc_ufs_ahb_clk.clkr,
[GCC_UFS_TX_CFG_CLK] = &gcc_ufs_tx_cfg_clk.clkr,
[GCC_UFS_RX_CFG_CLK] = &gcc_ufs_rx_cfg_clk.clkr,
+ [GCC_HLOS1_VOTE_LPASS_CORE_SMMU_CLK] = &gcc_hlos1_vote_lpass_core_smmu_clk.clkr,
+ [GCC_HLOS1_VOTE_LPASS_ADSP_SMMU_CLK] = &gcc_hlos1_vote_lpass_adsp_smmu_clk.clkr,
[GCC_UFS_TX_SYMBOL_0_CLK] = &gcc_ufs_tx_symbol_0_clk.clkr,
[GCC_UFS_RX_SYMBOL_0_CLK] = &gcc_ufs_rx_symbol_0_clk.clkr,
[GCC_UFS_RX_SYMBOL_1_CLK] = &gcc_ufs_rx_symbol_1_clk.clkr,
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
index 78d1df9112ba..acbb38151ba1 100644
--- a/drivers/clk/renesas/Kconfig
+++ b/drivers/clk/renesas/Kconfig
@@ -15,6 +15,7 @@ config CLK_RENESAS
select CLK_R8A7794 if ARCH_R8A7794
select CLK_R8A7795 if ARCH_R8A7795
select CLK_R8A7796 if ARCH_R8A7796
+ select CLK_R8A77995 if ARCH_R8A77995
select CLK_SH73A0 if ARCH_SH73A0
if CLK_RENESAS
@@ -34,94 +35,103 @@ config CLK_EMEV2
bool "Emma Mobile EV2 clock support" if COMPILE_TEST
config CLK_RZA1
- bool
+ bool "RZ/A1H clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
config CLK_R8A73A4
- bool
+ bool "R-Mobile APE6 clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
select CLK_RENESAS_DIV6
config CLK_R8A7740
- bool
+ bool "R-Mobile A1 clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
select CLK_RENESAS_DIV6
config CLK_R8A7743
- bool
+ bool "RZ/G1M clock support" if COMPILE_TEST
select CLK_RCAR_GEN2_CPG
config CLK_R8A7745
- bool
+ bool "RZ/G1E clock support" if COMPILE_TEST
select CLK_RCAR_GEN2_CPG
config CLK_R8A7778
- bool
+ bool "R-Car M1A clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
config CLK_R8A7779
- bool
+ bool "R-Car H1 clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
config CLK_R8A7790
- bool
+ bool "R-Car H2 clock support" if COMPILE_TEST
select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
select CLK_RENESAS_DIV6
config CLK_R8A7791
- bool
+ bool "R-Car M2-W/N clock support" if COMPILE_TEST
select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
select CLK_RENESAS_DIV6
config CLK_R8A7792
- bool
+ bool "R-Car V2H clock support" if COMPILE_TEST
select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
config CLK_R8A7794
- bool
+ bool "R-Car E2 clock support" if COMPILE_TEST
select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
select CLK_RENESAS_DIV6
config CLK_R8A7795
- bool
+ bool "R-Car H3 clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
config CLK_R8A7796
- bool
+ bool "R-Car M3-W clock support" if COMPILE_TEST
+ select CLK_RCAR_GEN3_CPG
+
+config CLK_R8A77995
+ bool "R-Car D3 clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
config CLK_SH73A0
- bool
+ bool "SH-Mobile AG5 clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
select CLK_RENESAS_DIV6
# Family
config CLK_RCAR_GEN2
- bool
+ bool "R-Car Gen2 legacy clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
select CLK_RENESAS_DIV6
config CLK_RCAR_GEN2_CPG
- bool
+ bool "R-Car Gen2 CPG clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSSR
config CLK_RCAR_GEN3_CPG
- bool
+ bool "R-Car Gen3 CPG clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSSR
+config CLK_RCAR_USB2_CLOCK_SEL
+ bool "Renesas R-Car USB2 clock selector support"
+ depends on ARCH_RENESAS || COMPILE_TEST
+ help
+ This is a driver for R-Car USB2 clock selector
# Generic
config CLK_RENESAS_CPG_MSSR
- bool
+ bool "CPG/MSSR clock support" if COMPILE_TEST
select CLK_RENESAS_DIV6
config CLK_RENESAS_CPG_MSTP
- bool
+ bool "MSTP clock support" if COMPILE_TEST
config CLK_RENESAS_DIV6
bool "DIV6 clock support" if COMPILE_TEST
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index 02d04124371f..9bda3ec5b199 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -13,12 +13,14 @@ obj-$(CONFIG_CLK_R8A7792) += r8a7792-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7796) += r8a7796-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o
obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o
# Family
obj-$(CONFIG_CLK_RCAR_GEN2) += clk-rcar-gen2.o
obj-$(CONFIG_CLK_RCAR_GEN2_CPG) += rcar-gen2-cpg.o
obj-$(CONFIG_CLK_RCAR_GEN3_CPG) += rcar-gen3-cpg.o
+obj-$(CONFIG_CLK_RCAR_USB2_CLOCK_SEL) += rcar-usb2-clock-sel.o
# Generic
obj-$(CONFIG_CLK_RENESAS_CPG_MSSR) += renesas-cpg-mssr.o
diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c
index 0627860233cb..3e0040c0ac87 100644
--- a/drivers/clk/renesas/clk-div6.c
+++ b/drivers/clk/renesas/clk-div6.c
@@ -29,6 +29,9 @@
* @hw: handle between common and hardware-specific interfaces
* @reg: IO-remapped register
* @div: divisor value (1-64)
+ * @src_shift: Shift to access the register bits to select the parent clock
+ * @src_width: Number of register bits to select the parent clock (may be 0)
+ * @parents: Array to map from valid parent clocks indices to hardware indices
*/
struct div6_clock {
struct clk_hw hw;
diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index f1617dd044cb..500a9e4e03c4 100644
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -335,7 +335,7 @@ void __init cpg_mstp_add_clk_domain(struct device_node *np)
u32 ncells;
if (of_property_read_u32(np, "#power-domain-cells", &ncells)) {
- pr_warn("%s lacks #power-domain-cells\n", np->full_name);
+ pr_warn("%pOF lacks #power-domain-cells\n", np);
return;
}
diff --git a/drivers/clk/renesas/clk-rcar-gen2.c b/drivers/clk/renesas/clk-rcar-gen2.c
index 51a2479ed5d7..0b2e56d0d94b 100644
--- a/drivers/clk/renesas/clk-rcar-gen2.c
+++ b/drivers/clk/renesas/clk-rcar-gen2.c
@@ -407,8 +407,7 @@ static void __init rcar_gen2_cpg_clocks_init(struct device_node *np)
if (rcar_rst_read_mode_pins(&cpg_mode)) {
/* Backward-compatibility with old DT */
- pr_warn("%s: failed to obtain mode pins from RST\n",
- np->full_name);
+ pr_warn("%pOF: failed to obtain mode pins from RST\n", np);
cpg_mode = rcar_gen2_read_mode_pins();
}
diff --git a/drivers/clk/renesas/r8a7792-cpg-mssr.c b/drivers/clk/renesas/r8a7792-cpg-mssr.c
index a832b9b6f7b0..7f85bbf20bf7 100644
--- a/drivers/clk/renesas/r8a7792-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7792-cpg-mssr.c
@@ -118,6 +118,13 @@ static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = {
DEF_MOD("vin1", 810, R8A7792_CLK_ZG),
DEF_MOD("vin0", 811, R8A7792_CLK_ZG),
DEF_MOD("etheravb", 812, R8A7792_CLK_HP),
+ DEF_MOD("imr-lx3", 821, R8A7792_CLK_ZG),
+ DEF_MOD("imr-lsx3-1", 822, R8A7792_CLK_ZG),
+ DEF_MOD("imr-lsx3-0", 823, R8A7792_CLK_ZG),
+ DEF_MOD("imr-lsx3-5", 825, R8A7792_CLK_ZG),
+ DEF_MOD("imr-lsx3-4", 826, R8A7792_CLK_ZG),
+ DEF_MOD("imr-lsx3-3", 827, R8A7792_CLK_ZG),
+ DEF_MOD("imr-lsx3-2", 828, R8A7792_CLK_ZG),
DEF_MOD("gyro-adc", 901, R8A7792_CLK_P),
DEF_MOD("gpio7", 904, R8A7792_CLK_CP),
DEF_MOD("gpio6", 905, R8A7792_CLK_CP),
diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c
index c091a8e024b8..762b2f8824f1 100644
--- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -305,23 +305,23 @@ static const unsigned int r8a7795_crit_mod_clks[] __initconst = {
(((md) & BIT(17)) >> 17))
static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
- /* EXTAL div PLL1 mult PLL3 mult */
- { 1, 192, 192, },
- { 1, 192, 128, },
- { 0, /* Prohibited setting */ },
- { 1, 192, 192, },
- { 1, 160, 160, },
- { 1, 160, 106, },
- { 0, /* Prohibited setting */ },
- { 1, 160, 160, },
- { 1, 128, 128, },
- { 1, 128, 84, },
- { 0, /* Prohibited setting */ },
- { 1, 128, 128, },
- { 2, 192, 192, },
- { 2, 192, 128, },
- { 0, /* Prohibited setting */ },
- { 2, 192, 192, },
+ /* EXTAL div PLL1 mult/div PLL3 mult/div */
+ { 1, 192, 1, 192, 1, },
+ { 1, 192, 1, 128, 1, },
+ { 0, /* Prohibited setting */ },
+ { 1, 192, 1, 192, 1, },
+ { 1, 160, 1, 160, 1, },
+ { 1, 160, 1, 106, 1, },
+ { 0, /* Prohibited setting */ },
+ { 1, 160, 1, 160, 1, },
+ { 1, 128, 1, 128, 1, },
+ { 1, 128, 1, 84, 1, },
+ { 0, /* Prohibited setting */ },
+ { 1, 128, 1, 128, 1, },
+ { 2, 192, 1, 192, 1, },
+ { 2, 192, 1, 128, 1, },
+ { 0, /* Prohibited setting */ },
+ { 2, 192, 1, 192, 1, },
};
static const struct soc_device_attribute r8a7795es1[] __initconst = {
diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c
index acc6d0f153e1..e5e7fb212288 100644
--- a/drivers/clk/renesas/r8a7796-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c
@@ -138,6 +138,7 @@ static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = {
DEF_MOD("sdif0", 314, R8A7796_CLK_SD0),
DEF_MOD("pcie1", 318, R8A7796_CLK_S3D1),
DEF_MOD("pcie0", 319, R8A7796_CLK_S3D1),
+ DEF_MOD("usb3-if0", 328, R8A7796_CLK_S3D1),
DEF_MOD("usb-dmac0", 330, R8A7796_CLK_S3D1),
DEF_MOD("usb-dmac1", 331, R8A7796_CLK_S3D1),
DEF_MOD("rwdt", 402, R8A7796_CLK_R),
@@ -277,23 +278,23 @@ static const unsigned int r8a7796_crit_mod_clks[] __initconst = {
(((md) & BIT(17)) >> 17))
static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
- /* EXTAL div PLL1 mult PLL3 mult */
- { 1, 192, 192, },
- { 1, 192, 128, },
- { 0, /* Prohibited setting */ },
- { 1, 192, 192, },
- { 1, 160, 160, },
- { 1, 160, 106, },
- { 0, /* Prohibited setting */ },
- { 1, 160, 160, },
- { 1, 128, 128, },
- { 1, 128, 84, },
- { 0, /* Prohibited setting */ },
- { 1, 128, 128, },
- { 2, 192, 192, },
- { 2, 192, 128, },
- { 0, /* Prohibited setting */ },
- { 2, 192, 192, },
+ /* EXTAL div PLL1 mult/div PLL3 mult/div */
+ { 1, 192, 1, 192, 1, },
+ { 1, 192, 1, 128, 1, },
+ { 0, /* Prohibited setting */ },
+ { 1, 192, 1, 192, 1, },
+ { 1, 160, 1, 160, 1, },
+ { 1, 160, 1, 106, 1, },
+ { 0, /* Prohibited setting */ },
+ { 1, 160, 1, 160, 1, },
+ { 1, 128, 1, 128, 1, },
+ { 1, 128, 1, 84, 1, },
+ { 0, /* Prohibited setting */ },
+ { 1, 128, 1, 128, 1, },
+ { 2, 192, 1, 192, 1, },
+ { 2, 192, 1, 128, 1, },
+ { 0, /* Prohibited setting */ },
+ { 2, 192, 1, 192, 1, },
};
static int __init r8a7796_cpg_mssr_init(struct device *dev)
diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c
new file mode 100644
index 000000000000..e594cf8ee63b
--- /dev/null
+++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c
@@ -0,0 +1,236 @@
+/*
+ * r8a77995 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2017 Glider bvba
+ *
+ * Based on r8a7795-cpg-mssr.c
+ *
+ * Copyright (C) 2015 Glider bvba
+ * Copyright (C) 2015 Renesas Electronics Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include <dt-bindings/clock/r8a77995-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen3-cpg.h"
+
+enum clk_ids {
+ /* Core Clock Outputs exported to DT */
+ LAST_DT_CORE_CLK = R8A77995_CLK_CP,
+
+ /* External Input Clocks */
+ CLK_EXTAL,
+
+ /* Internal Core Clocks */
+ CLK_MAIN,
+ CLK_PLL0,
+ CLK_PLL1,
+ CLK_PLL3,
+ CLK_PLL0D2,
+ CLK_PLL0D3,
+ CLK_PLL0D5,
+ CLK_PLL1D2,
+ CLK_PE,
+ CLK_S0,
+ CLK_S1,
+ CLK_S2,
+ CLK_S3,
+ CLK_SDSRC,
+ CLK_SSPSRC,
+
+ /* Module Clocks */
+ MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a77995_core_clks[] __initconst = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+
+ /* Internal Core Clocks */
+ DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
+ DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
+
+ DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 4, 250),
+ DEF_FIXED(".pll0d2", CLK_PLL0D2, CLK_PLL0, 2, 1),
+ DEF_FIXED(".pll0d3", CLK_PLL0D3, CLK_PLL0, 3, 1),
+ DEF_FIXED(".pll0d5", CLK_PLL0D5, CLK_PLL0, 5, 1),
+ DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1),
+ DEF_FIXED(".pe", CLK_PE, CLK_PLL0D3, 4, 1),
+ DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1),
+ DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1),
+ DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1),
+ DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1),
+ DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1),
+
+ /* Core Clock Outputs */
+ DEF_FIXED("z2", R8A77995_CLK_Z2, CLK_PLL0D3, 1, 1),
+ DEF_FIXED("ztr", R8A77995_CLK_ZTR, CLK_PLL1, 6, 1),
+ DEF_FIXED("zt", R8A77995_CLK_ZT, CLK_PLL1, 4, 1),
+ DEF_FIXED("zx", R8A77995_CLK_ZX, CLK_PLL1, 3, 1),
+ DEF_FIXED("s0d1", R8A77995_CLK_S0D1, CLK_S0, 1, 1),
+ DEF_FIXED("s1d1", R8A77995_CLK_S1D1, CLK_S1, 1, 1),
+ DEF_FIXED("s1d2", R8A77995_CLK_S1D2, CLK_S1, 2, 1),
+ DEF_FIXED("s1d4", R8A77995_CLK_S1D4, CLK_S1, 4, 1),
+ DEF_FIXED("s2d1", R8A77995_CLK_S2D1, CLK_S2, 1, 1),
+ DEF_FIXED("s2d2", R8A77995_CLK_S2D2, CLK_S2, 2, 1),
+ DEF_FIXED("s2d4", R8A77995_CLK_S2D4, CLK_S2, 4, 1),
+ DEF_FIXED("s3d1", R8A77995_CLK_S3D1, CLK_S3, 1, 1),
+ DEF_FIXED("s3d2", R8A77995_CLK_S3D2, CLK_S3, 2, 1),
+ DEF_FIXED("s3d4", R8A77995_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1),
+ DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("osc", R8A77995_CLK_OSC, CLK_EXTAL, 384, 1),
+ DEF_FIXED("r", R8A77995_CLK_R, CLK_EXTAL, 1536, 1),
+
+ DEF_GEN3_PE("s1d4c", R8A77995_CLK_S1D4C, CLK_S1, 4, CLK_PE, 2),
+ DEF_GEN3_PE("s3d1c", R8A77995_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1),
+ DEF_GEN3_PE("s3d2c", R8A77995_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2),
+ DEF_GEN3_PE("s3d4c", R8A77995_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4),
+
+ DEF_GEN3_SD("sd0", R8A77995_CLK_SD0, CLK_SDSRC, 0x268),
+
+ DEF_DIV6P1("canfd", R8A77995_CLK_CANFD, CLK_PLL0D3, 0x244),
+ DEF_DIV6P1("mso", R8A77995_CLK_MSO, CLK_PLL1D2, 0x014),
+};
+
+static const struct mssr_mod_clk r8a77995_mod_clks[] __initconst = {
+ DEF_MOD("scif5", 202, R8A77995_CLK_S3D4C),
+ DEF_MOD("scif4", 203, R8A77995_CLK_S3D4C),
+ DEF_MOD("scif3", 204, R8A77995_CLK_S3D4C),
+ DEF_MOD("scif1", 206, R8A77995_CLK_S3D4C),
+ DEF_MOD("scif0", 207, R8A77995_CLK_S3D4C),
+ DEF_MOD("msiof3", 208, R8A77995_CLK_MSO),
+ DEF_MOD("msiof2", 209, R8A77995_CLK_MSO),
+ DEF_MOD("msiof1", 210, R8A77995_CLK_MSO),
+ DEF_MOD("msiof0", 211, R8A77995_CLK_MSO),
+ DEF_MOD("sys-dmac2", 217, R8A77995_CLK_S3D1),
+ DEF_MOD("sys-dmac1", 218, R8A77995_CLK_S3D1),
+ DEF_MOD("sys-dmac0", 219, R8A77995_CLK_S3D1),
+ DEF_MOD("cmt3", 300, R8A77995_CLK_R),
+ DEF_MOD("cmt2", 301, R8A77995_CLK_R),
+ DEF_MOD("cmt1", 302, R8A77995_CLK_R),
+ DEF_MOD("cmt0", 303, R8A77995_CLK_R),
+ DEF_MOD("scif2", 310, R8A77995_CLK_S3D4C),
+ DEF_MOD("emmc0", 312, R8A77995_CLK_SD0),
+ DEF_MOD("usb-dmac0", 330, R8A77995_CLK_S3D1),
+ DEF_MOD("usb-dmac1", 331, R8A77995_CLK_S3D1),
+ DEF_MOD("rwdt", 402, R8A77995_CLK_R),
+ DEF_MOD("intc-ex", 407, R8A77995_CLK_CP),
+ DEF_MOD("intc-ap", 408, R8A77995_CLK_S3D1),
+ DEF_MOD("audmac0", 502, R8A77995_CLK_S3D1),
+ DEF_MOD("hscif3", 517, R8A77995_CLK_S3D1C),
+ DEF_MOD("hscif0", 520, R8A77995_CLK_S3D1C),
+ DEF_MOD("thermal", 522, R8A77995_CLK_CP),
+ DEF_MOD("pwm", 523, R8A77995_CLK_S3D4C),
+ DEF_MOD("fcpvd1", 602, R8A77995_CLK_S1D2),
+ DEF_MOD("fcpvd0", 603, R8A77995_CLK_S1D2),
+ DEF_MOD("fcpvbs", 607, R8A77995_CLK_S0D1),
+ DEF_MOD("vspd1", 622, R8A77995_CLK_S1D2),
+ DEF_MOD("vspd0", 623, R8A77995_CLK_S1D2),
+ DEF_MOD("vspbs", 627, R8A77995_CLK_S0D1),
+ DEF_MOD("ehci0", 703, R8A77995_CLK_S3D2),
+ DEF_MOD("hsusb", 704, R8A77995_CLK_S3D2),
+ DEF_MOD("du1", 723, R8A77995_CLK_S2D1),
+ DEF_MOD("du0", 724, R8A77995_CLK_S2D1),
+ DEF_MOD("lvds", 727, R8A77995_CLK_S2D1),
+ DEF_MOD("vin7", 804, R8A77995_CLK_S1D2),
+ DEF_MOD("vin6", 805, R8A77995_CLK_S1D2),
+ DEF_MOD("vin5", 806, R8A77995_CLK_S1D2),
+ DEF_MOD("vin4", 807, R8A77995_CLK_S1D2),
+ DEF_MOD("etheravb", 812, R8A77995_CLK_S3D2),
+ DEF_MOD("imr0", 823, R8A77995_CLK_S1D2),
+ DEF_MOD("gpio6", 906, R8A77995_CLK_S3D4),
+ DEF_MOD("gpio5", 907, R8A77995_CLK_S3D4),
+ DEF_MOD("gpio4", 908, R8A77995_CLK_S3D4),
+ DEF_MOD("gpio3", 909, R8A77995_CLK_S3D4),
+ DEF_MOD("gpio2", 910, R8A77995_CLK_S3D4),
+ DEF_MOD("gpio1", 911, R8A77995_CLK_S3D4),
+ DEF_MOD("gpio0", 912, R8A77995_CLK_S3D4),
+ DEF_MOD("can-fd", 914, R8A77995_CLK_S3D2),
+ DEF_MOD("can-if1", 915, R8A77995_CLK_S3D4),
+ DEF_MOD("can-if0", 916, R8A77995_CLK_S3D4),
+ DEF_MOD("i2c3", 928, R8A77995_CLK_S3D2),
+ DEF_MOD("i2c2", 929, R8A77995_CLK_S3D2),
+ DEF_MOD("i2c1", 930, R8A77995_CLK_S3D2),
+ DEF_MOD("i2c0", 931, R8A77995_CLK_S3D2),
+ DEF_MOD("ssi-all", 1005, R8A77995_CLK_S3D4),
+ DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
+ DEF_MOD("scu-all", 1017, R8A77995_CLK_S3D4),
+ DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
+};
+
+static const unsigned int r8a77995_crit_mod_clks[] __initconst = {
+ MOD_CLK_ID(408), /* INTC-AP (GIC) */
+};
+
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD19 EXTAL (MHz) PLL0 PLL1 PLL3
+ *--------------------------------------------------------------------
+ * 0 48 x 1 x250/4 x100/3 x100/3
+ * 1 48 x 1 x250/4 x100/3 x116/6
+ */
+#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19)
+
+static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = {
+ /* EXTAL div PLL1 mult/div PLL3 mult/div */
+ { 1, 100, 3, 100, 3, },
+ { 1, 100, 3, 116, 6, },
+};
+
+static int __init r8a77995_cpg_mssr_init(struct device *dev)
+{
+ const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
+ u32 cpg_mode;
+ int error;
+
+ error = rcar_rst_read_mode_pins(&cpg_mode);
+ if (error)
+ return error;
+
+ cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+
+ return rcar_gen3_cpg_init(cpg_pll_config, 0, cpg_mode);
+}
+
+const struct cpg_mssr_info r8a77995_cpg_mssr_info __initconst = {
+ /* Core Clocks */
+ .core_clks = r8a77995_core_clks,
+ .num_core_clks = ARRAY_SIZE(r8a77995_core_clks),
+ .last_dt_core_clk = LAST_DT_CORE_CLK,
+ .num_total_core_clks = MOD_CLK_BASE,
+
+ /* Module Clocks */
+ .mod_clks = r8a77995_mod_clks,
+ .num_mod_clks = ARRAY_SIZE(r8a77995_mod_clks),
+ .num_hw_mod_clks = 12 * 32,
+
+ /* Critical Module Clocks */
+ .crit_mod_clks = r8a77995_crit_mod_clks,
+ .num_crit_mod_clks = ARRAY_SIZE(r8a77995_crit_mod_clks),
+
+ /* Callbacks */
+ .init = r8a77995_cpg_mssr_init,
+ .cpg_clk_register = rcar_gen3_cpg_clk_register,
+};
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c
index 3dee900522b7..951105816547 100644
--- a/drivers/clk/renesas/rcar-gen3-cpg.c
+++ b/drivers/clk/renesas/rcar-gen3-cpg.c
@@ -60,6 +60,7 @@ struct sd_clock {
unsigned int div_num;
unsigned int div_min;
unsigned int div_max;
+ unsigned int cur_div_idx;
};
/* SDn divider
@@ -96,21 +97,10 @@ static const struct sd_div_table cpg_sd_div_table[] = {
static int cpg_sd_clock_enable(struct clk_hw *hw)
{
struct sd_clock *clock = to_sd_clock(hw);
- u32 val, sd_fc;
- unsigned int i;
-
- val = readl(clock->reg);
-
- sd_fc = val & CPG_SD_FC_MASK;
- for (i = 0; i < clock->div_num; i++)
- if (sd_fc == (clock->div_table[i].val & CPG_SD_FC_MASK))
- break;
-
- if (i >= clock->div_num)
- return -EINVAL;
+ u32 val = readl(clock->reg);
val &= ~(CPG_SD_STP_MASK);
- val |= clock->div_table[i].val & CPG_SD_STP_MASK;
+ val |= clock->div_table[clock->cur_div_idx].val & CPG_SD_STP_MASK;
writel(val, clock->reg);
@@ -135,21 +125,9 @@ static unsigned long cpg_sd_clock_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct sd_clock *clock = to_sd_clock(hw);
- unsigned long rate = parent_rate;
- u32 val, sd_fc;
- unsigned int i;
- val = readl(clock->reg);
-
- sd_fc = val & CPG_SD_FC_MASK;
- for (i = 0; i < clock->div_num; i++)
- if (sd_fc == (clock->div_table[i].val & CPG_SD_FC_MASK))
- break;
-
- if (i >= clock->div_num)
- return -EINVAL;
-
- return DIV_ROUND_CLOSEST(rate, clock->div_table[i].div);
+ return DIV_ROUND_CLOSEST(parent_rate,
+ clock->div_table[clock->cur_div_idx].div);
}
static unsigned int cpg_sd_clock_calc_div(struct sd_clock *clock,
@@ -190,6 +168,8 @@ static int cpg_sd_clock_set_rate(struct clk_hw *hw, unsigned long rate,
if (i >= clock->div_num)
return -EINVAL;
+ clock->cur_div_idx = i;
+
val = readl(clock->reg);
val &= ~(CPG_SD_STP_MASK | CPG_SD_FC_MASK);
val |= clock->div_table[i].val & (CPG_SD_STP_MASK | CPG_SD_FC_MASK);
@@ -215,6 +195,7 @@ static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
struct sd_clock *clock;
struct clk *clk;
unsigned int i;
+ u32 sd_fc;
clock = kzalloc(sizeof(*clock), GFP_KERNEL);
if (!clock)
@@ -231,6 +212,18 @@ static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
clock->div_table = cpg_sd_div_table;
clock->div_num = ARRAY_SIZE(cpg_sd_div_table);
+ sd_fc = readl(clock->reg) & CPG_SD_FC_MASK;
+ for (i = 0; i < clock->div_num; i++)
+ if (sd_fc == (clock->div_table[i].val & CPG_SD_FC_MASK))
+ break;
+
+ if (WARN_ON(i >= clock->div_num)) {
+ kfree(clock);
+ return ERR_PTR(-EINVAL);
+ }
+
+ clock->cur_div_idx = i;
+
clock->div_max = clock->div_table[0].div;
clock->div_min = clock->div_max;
for (i = 1; i < clock->div_num; i++) {
@@ -279,7 +272,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
unsigned int div = 1;
u32 value;
- parent = clks[core->parent];
+ parent = clks[core->parent & 0xffff]; /* CLK_TYPE_PE uses high bits */
if (IS_ERR(parent))
return ERR_CAST(parent);
@@ -303,6 +296,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
case CLK_TYPE_GEN3_PLL1:
mult = cpg_pll_config->pll1_mult;
+ div = cpg_pll_config->pll1_div;
break;
case CLK_TYPE_GEN3_PLL2:
@@ -320,6 +314,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
case CLK_TYPE_GEN3_PLL3:
mult = cpg_pll_config->pll3_mult;
+ div = cpg_pll_config->pll3_div;
break;
case CLK_TYPE_GEN3_PLL4:
@@ -360,6 +355,24 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
parent = clks[cpg_clk_extalr];
break;
+ case CLK_TYPE_GEN3_PE:
+ /*
+ * Peripheral clock with a fixed divider, selectable between
+ * clean and spread spectrum parents using MD12
+ */
+ if (cpg_mode & BIT(12)) {
+ /* Clean */
+ div = core->div & 0xffff;
+ } else {
+ /* SCCG */
+ parent = clks[core->parent >> 16];
+ if (IS_ERR(parent))
+ return ERR_CAST(parent);
+ div = core->div >> 16;
+ }
+ mult = 1;
+ break;
+
default:
return ERR_PTR(-EINVAL);
}
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h
index 073be54b5d03..d756ef8b78eb 100644
--- a/drivers/clk/renesas/rcar-gen3-cpg.h
+++ b/drivers/clk/renesas/rcar-gen3-cpg.h
@@ -20,15 +20,24 @@ enum rcar_gen3_clk_types {
CLK_TYPE_GEN3_PLL4,
CLK_TYPE_GEN3_SD,
CLK_TYPE_GEN3_R,
+ CLK_TYPE_GEN3_PE,
};
#define DEF_GEN3_SD(_name, _id, _parent, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
+#define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
+ _div_clean) \
+ DEF_BASE(_name, _id, CLK_TYPE_GEN3_PE, \
+ (_parent_sscg) << 16 | (_parent_clean), \
+ .div = (_div_sscg) << 16 | (_div_clean))
+
struct rcar_gen3_cpg_pll_config {
- unsigned int extal_div;
- unsigned int pll1_mult;
- unsigned int pll3_mult;
+ u8 extal_div;
+ u8 pll1_mult;
+ u8 pll1_div;
+ u8 pll3_mult;
+ u8 pll3_div;
};
#define CPG_RCKCR 0x240
diff --git a/drivers/clk/renesas/rcar-usb2-clock-sel.c b/drivers/clk/renesas/rcar-usb2-clock-sel.c
new file mode 100644
index 000000000000..6cd030a58964
--- /dev/null
+++ b/drivers/clk/renesas/rcar-usb2-clock-sel.c
@@ -0,0 +1,188 @@
+/*
+ * Renesas R-Car USB2.0 clock selector
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ *
+ * Based on renesas-cpg-mssr.c
+ *
+ * Copyright (C) 2015 Glider bvba
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+
+#define USB20_CLKSET0 0x00
+#define CLKSET0_INTCLK_EN BIT(11)
+#define CLKSET0_PRIVATE BIT(0)
+#define CLKSET0_EXTAL_ONLY (CLKSET0_INTCLK_EN | CLKSET0_PRIVATE)
+
+struct usb2_clock_sel_priv {
+ void __iomem *base;
+ struct clk_hw hw;
+ bool extal;
+ bool xtal;
+};
+#define to_priv(_hw) container_of(_hw, struct usb2_clock_sel_priv, hw)
+
+static void usb2_clock_sel_enable_extal_only(struct usb2_clock_sel_priv *priv)
+{
+ u16 val = readw(priv->base + USB20_CLKSET0);
+
+ pr_debug("%s: enter %d %d %x\n", __func__,
+ priv->extal, priv->xtal, val);
+
+ if (priv->extal && !priv->xtal && val != CLKSET0_EXTAL_ONLY)
+ writew(CLKSET0_EXTAL_ONLY, priv->base + USB20_CLKSET0);
+}
+
+static void usb2_clock_sel_disable_extal_only(struct usb2_clock_sel_priv *priv)
+{
+ if (priv->extal && !priv->xtal)
+ writew(CLKSET0_PRIVATE, priv->base + USB20_CLKSET0);
+}
+
+static int usb2_clock_sel_enable(struct clk_hw *hw)
+{
+ usb2_clock_sel_enable_extal_only(to_priv(hw));
+
+ return 0;
+}
+
+static void usb2_clock_sel_disable(struct clk_hw *hw)
+{
+ usb2_clock_sel_disable_extal_only(to_priv(hw));
+}
+
+/*
+ * This module seems a mux, but this driver assumes a gate because
+ * ehci/ohci platform drivers don't support clk_set_parent() for now.
+ * If this driver acts as a gate, ehci/ohci-platform drivers don't need
+ * any modification.
+ */
+static const struct clk_ops usb2_clock_sel_clock_ops = {
+ .enable = usb2_clock_sel_enable,
+ .disable = usb2_clock_sel_disable,
+};
+
+static const struct of_device_id rcar_usb2_clock_sel_match[] = {
+ { .compatible = "renesas,rcar-gen3-usb2-clock-sel" },
+ { }
+};
+
+static int rcar_usb2_clock_sel_suspend(struct device *dev)
+{
+ struct usb2_clock_sel_priv *priv = dev_get_drvdata(dev);
+
+ usb2_clock_sel_disable_extal_only(priv);
+ pm_runtime_put(dev);
+
+ return 0;
+}
+
+static int rcar_usb2_clock_sel_resume(struct device *dev)
+{
+ struct usb2_clock_sel_priv *priv = dev_get_drvdata(dev);
+
+ pm_runtime_get_sync(dev);
+ usb2_clock_sel_enable_extal_only(priv);
+
+ return 0;
+}
+
+static int rcar_usb2_clock_sel_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct usb2_clock_sel_priv *priv = platform_get_drvdata(pdev);
+
+ of_clk_del_provider(dev->of_node);
+ clk_hw_unregister(&priv->hw);
+ pm_runtime_put(dev);
+ pm_runtime_disable(dev);
+
+ return 0;
+}
+
+static int rcar_usb2_clock_sel_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct usb2_clock_sel_priv *priv;
+ struct resource *res;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ priv->base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(priv->base))
+ return PTR_ERR(priv->base);
+
+ pm_runtime_enable(dev);
+ pm_runtime_get_sync(dev);
+
+ clk = devm_clk_get(dev, "usb_extal");
+ if (!IS_ERR(clk) && !clk_prepare_enable(clk)) {
+ priv->extal = !!clk_get_rate(clk);
+ clk_disable_unprepare(clk);
+ }
+ clk = devm_clk_get(dev, "usb_xtal");
+ if (!IS_ERR(clk) && !clk_prepare_enable(clk)) {
+ priv->xtal = !!clk_get_rate(clk);
+ clk_disable_unprepare(clk);
+ }
+
+ if (!priv->extal && !priv->xtal) {
+ dev_err(dev, "This driver needs usb_extal or usb_xtal\n");
+ return -ENOENT;
+ }
+
+ platform_set_drvdata(pdev, priv);
+ dev_set_drvdata(dev, priv);
+
+ init.name = "rcar_usb2_clock_sel";
+ init.ops = &usb2_clock_sel_clock_ops;
+ init.flags = 0;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+ priv->hw.init = &init;
+
+ clk = clk_register(NULL, &priv->hw);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ return of_clk_add_hw_provider(np, of_clk_hw_simple_get, &priv->hw);
+}
+
+static const struct dev_pm_ops rcar_usb2_clock_sel_pm_ops = {
+ .suspend = rcar_usb2_clock_sel_suspend,
+ .resume = rcar_usb2_clock_sel_resume,
+};
+
+static struct platform_driver rcar_usb2_clock_sel_driver = {
+ .driver = {
+ .name = "rcar-usb2-clock-sel",
+ .of_match_table = rcar_usb2_clock_sel_match,
+ .pm = &rcar_usb2_clock_sel_pm_ops,
+ },
+ .probe = rcar_usb2_clock_sel_probe,
+ .remove = rcar_usb2_clock_sel_remove,
+};
+builtin_platform_driver(rcar_usb2_clock_sel_driver);
+
+MODULE_DESCRIPTION("Renesas R-Car USB2 clock selector Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 1f607c806f9b..e580a5e6346c 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -680,6 +680,12 @@ static const struct of_device_id cpg_mssr_match[] = {
.data = &r8a7796_cpg_mssr_info,
},
#endif
+#ifdef CONFIG_CLK_R8A77995
+ {
+ .compatible = "renesas,r8a77995-cpg-mssr",
+ .data = &r8a77995_cpg_mssr_info,
+ },
+#endif
{ /* sentinel */ }
};
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h
index 43d7c7f6832d..94b9071d1061 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.h
+++ b/drivers/clk/renesas/renesas-cpg-mssr.h
@@ -138,6 +138,7 @@ extern const struct cpg_mssr_info r8a7792_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7794_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7795_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7796_cpg_mssr_info;
+extern const struct cpg_mssr_info r8a77995_cpg_mssr_info;
/*
diff --git a/drivers/clk/rockchip/clk-rk3128.c b/drivers/clk/rockchip/clk-rk3128.c
index e243f2eae68f..62d7854e4b87 100644
--- a/drivers/clk/rockchip/clk-rk3128.c
+++ b/drivers/clk/rockchip/clk-rk3128.c
@@ -201,7 +201,7 @@ static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata =
MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
-static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
+static struct rockchip_clk_branch common_clk_branches[] __initdata = {
/*
* Clock-Architecture Diagram 1
*/
@@ -459,10 +459,6 @@ static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(10), 15, GFLAGS),
- COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
- RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
- RK2928_CLKGATE_CON(3), 15, GFLAGS),
-
COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0,
RK2928_CLKSEL_CON(29), 8, 6, DFLAGS,
RK2928_CLKGATE_CON(1), 0, GFLAGS),
@@ -495,7 +491,6 @@ static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS),
GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
- GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
@@ -541,7 +536,6 @@ static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS),
GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
- GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS),
GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
@@ -561,6 +555,21 @@ static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 0),
};
+static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = {
+ GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS),
+ GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
+ GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS),
+};
+
+static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
+ COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
+ RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RK2928_CLKGATE_CON(3), 15, GFLAGS),
+
+ GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
+ GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
+};
+
static const char *const rk3128_critical_clocks[] __initconst = {
"aclk_cpu",
"hclk_cpu",
@@ -570,7 +579,7 @@ static const char *const rk3128_critical_clocks[] __initconst = {
"pclk_peri",
};
-static void __init rk3128_clk_init(struct device_node *np)
+static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
void __iomem *reg_base;
@@ -578,23 +587,21 @@ static void __init rk3128_clk_init(struct device_node *np)
reg_base = of_iomap(np, 0);
if (!reg_base) {
pr_err("%s: could not map cru region\n", __func__);
- return;
+ return ERR_PTR(-ENOMEM);
}
ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
if (IS_ERR(ctx)) {
pr_err("%s: rockchip clk init failed\n", __func__);
iounmap(reg_base);
- return;
+ return ERR_PTR(-ENOMEM);
}
rockchip_clk_register_plls(ctx, rk3128_pll_clks,
ARRAY_SIZE(rk3128_pll_clks),
RK3128_GRF_SOC_STATUS0);
- rockchip_clk_register_branches(ctx, rk3128_clk_branches,
- ARRAY_SIZE(rk3128_clk_branches));
- rockchip_clk_protect_critical(rk3128_critical_clocks,
- ARRAY_SIZE(rk3128_critical_clocks));
+ rockchip_clk_register_branches(ctx, common_clk_branches,
+ ARRAY_SIZE(common_clk_branches));
rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
@@ -606,6 +613,40 @@ static void __init rk3128_clk_init(struct device_node *np)
rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
+ return ctx;
+}
+
+static void __init rk3126_clk_init(struct device_node *np)
+{
+ struct rockchip_clk_provider *ctx;
+
+ ctx = rk3128_common_clk_init(np);
+ if (IS_ERR(ctx))
+ return;
+
+ rockchip_clk_register_branches(ctx, rk3126_clk_branches,
+ ARRAY_SIZE(rk3126_clk_branches));
+ rockchip_clk_protect_critical(rk3128_critical_clocks,
+ ARRAY_SIZE(rk3128_critical_clocks));
+
+ rockchip_clk_of_add_provider(np, ctx);
+}
+
+CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
+
+static void __init rk3128_clk_init(struct device_node *np)
+{
+ struct rockchip_clk_provider *ctx;
+
+ ctx = rk3128_common_clk_init(np);
+ if (IS_ERR(ctx))
+ return;
+
+ rockchip_clk_register_branches(ctx, rk3128_clk_branches,
+ ARRAY_SIZE(rk3128_clk_branches));
+ rockchip_clk_protect_critical(rk3128_critical_clocks,
+ ARRAY_SIZE(rk3128_critical_clocks));
+
rockchip_clk_of_add_provider(np, ctx);
}
diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c
index bb405d9044a3..11e7f2d1c054 100644
--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -391,7 +391,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
RK2928_CLKSEL_CON(11), 8, 2, MFLAGS, 0, 8, DFLAGS,
RK2928_CLKGATE_CON(2), 11, GFLAGS),
- COMPOSITE_NODIV(0, "sclk_sdio_src", mux_mmc_src_p, 0,
+ COMPOSITE_NODIV(SCLK_SDIO_SRC, "sclk_sdio_src", mux_mmc_src_p, 0,
RK2928_CLKSEL_CON(11), 10, 2, MFLAGS,
RK2928_CLKGATE_CON(2), 13, GFLAGS),
DIV(SCLK_SDIO, "sclk_sdio", "sclk_sdio_src", 0,
diff --git a/drivers/clk/rockchip/clk-rv1108.c b/drivers/clk/rockchip/clk-rv1108.c
index 7c05ab366348..089cb17925e5 100644
--- a/drivers/clk/rockchip/clk-rv1108.c
+++ b/drivers/clk/rockchip/clk-rv1108.c
@@ -93,9 +93,24 @@ static struct rockchip_pll_rate_table rv1108_pll_rates[] = {
}
static struct rockchip_cpuclk_rate_table rv1108_cpuclk_rates[] __initdata = {
- RV1108_CPUCLK_RATE(816000000, 4),
- RV1108_CPUCLK_RATE(600000000, 4),
- RV1108_CPUCLK_RATE(312000000, 4),
+ RV1108_CPUCLK_RATE(1608000000, 7),
+ RV1108_CPUCLK_RATE(1512000000, 7),
+ RV1108_CPUCLK_RATE(1488000000, 5),
+ RV1108_CPUCLK_RATE(1416000000, 5),
+ RV1108_CPUCLK_RATE(1392000000, 5),
+ RV1108_CPUCLK_RATE(1296000000, 5),
+ RV1108_CPUCLK_RATE(1200000000, 5),
+ RV1108_CPUCLK_RATE(1104000000, 5),
+ RV1108_CPUCLK_RATE(1008000000, 5),
+ RV1108_CPUCLK_RATE(912000000, 5),
+ RV1108_CPUCLK_RATE(816000000, 3),
+ RV1108_CPUCLK_RATE(696000000, 3),
+ RV1108_CPUCLK_RATE(600000000, 3),
+ RV1108_CPUCLK_RATE(500000000, 3),
+ RV1108_CPUCLK_RATE(408000000, 1),
+ RV1108_CPUCLK_RATE(312000000, 1),
+ RV1108_CPUCLK_RATE(216000000, 1),
+ RV1108_CPUCLK_RATE(96000000, 1),
};
static const struct rockchip_cpuclk_reg_data rv1108_cpuclk_data = {
@@ -105,7 +120,7 @@ static const struct rockchip_cpuclk_reg_data rv1108_cpuclk_data = {
.mux_core_alt = 1,
.mux_core_main = 0,
.mux_core_shift = 8,
- .mux_core_mask = 0x1,
+ .mux_core_mask = 0x3,
};
PNAME(mux_pll_p) = { "xin24m", "xin24m"};
@@ -114,30 +129,42 @@ PNAME(mux_armclk_p) = { "apll_core", "gpll_core", "dpll_core" };
PNAME(mux_usb480m_pre_p) = { "usbphy", "xin24m" };
PNAME(mux_hdmiphy_phy_p) = { "hdmiphy", "xin24m" };
PNAME(mux_dclk_hdmiphy_pre_p) = { "dclk_hdmiphy_src_gpll", "dclk_hdmiphy_src_dpll" };
-PNAME(mux_pll_src_4plls_p) = { "dpll", "hdmiphy", "gpll", "usb480m" };
+PNAME(mux_pll_src_4plls_p) = { "dpll", "gpll", "hdmiphy", "usb480m" };
PNAME(mux_pll_src_3plls_p) = { "apll", "gpll", "dpll" };
PNAME(mux_pll_src_2plls_p) = { "dpll", "gpll" };
PNAME(mux_pll_src_apll_gpll_p) = { "apll", "gpll" };
-PNAME(mux_aclk_peri_src_p) = { "aclk_peri_src_dpll", "aclk_peri_src_gpll" };
+PNAME(mux_aclk_peri_src_p) = { "aclk_peri_src_gpll", "aclk_peri_src_dpll" };
PNAME(mux_aclk_bus_src_p) = { "aclk_bus_src_gpll", "aclk_bus_src_apll", "aclk_bus_src_dpll" };
PNAME(mux_mmc_src_p) = { "dpll", "gpll", "xin24m", "usb480m" };
PNAME(mux_pll_src_dpll_gpll_usb480m_p) = { "dpll", "gpll", "usb480m" };
PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" };
PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" };
PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" };
-PNAME(mux_sclk_macphy_p) = { "sclk_macphy_pre", "ext_gmac" };
+PNAME(mux_sclk_mac_p) = { "sclk_mac_pre", "ext_gmac" };
PNAME(mux_i2s0_pre_p) = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" };
PNAME(mux_i2s_out_p) = { "i2s0_pre", "xin12m" };
-PNAME(mux_i2s1_p) = { "i2s1_src", "i2s1_frac", "xin12m" };
-PNAME(mux_i2s2_p) = { "i2s2_src", "i2s2_frac", "xin12m" };
+PNAME(mux_i2s1_p) = { "i2s1_src", "i2s1_frac", "dummy", "xin12m" };
+PNAME(mux_i2s2_p) = { "i2s2_src", "i2s2_frac", "dummy", "xin12m" };
+PNAME(mux_wifi_src_p) = { "gpll", "xin24m" };
+PNAME(mux_cifout_src_p) = { "hdmiphy", "gpll" };
+PNAME(mux_cifout_p) = { "sclk_cifout_src", "xin24m" };
+PNAME(mux_sclk_cif0_src_p) = { "pclk_vip", "clk_cif0_chn_out", "pclkin_cvbs2cif" };
+PNAME(mux_sclk_cif1_src_p) = { "pclk_vip", "clk_cif1_chn_out", "pclkin_cvbs2cif" };
+PNAME(mux_sclk_cif2_src_p) = { "pclk_vip", "clk_cif2_chn_out", "pclkin_cvbs2cif" };
+PNAME(mux_sclk_cif3_src_p) = { "pclk_vip", "clk_cif3_chn_out", "pclkin_cvbs2cif" };
+PNAME(mux_dsp_src_p) = { "dpll", "gpll", "apll", "usb480m" };
+PNAME(mux_dclk_hdmiphy_p) = { "hdmiphy", "xin24m" };
+PNAME(mux_dclk_vop_p) = { "dclk_hdmiphy", "dclk_vop_src" };
+PNAME(mux_hdmi_cec_src_p) = { "dpll", "gpll", "xin24m" };
+PNAME(mux_cvbs_src_p) = { "apll", "io_cvbs_clkin", "hdmiphy", "gpll" };
static struct rockchip_pll_clock rv1108_pll_clks[] __initdata = {
[apll] = PLL(pll_rk3399, PLL_APLL, "apll", mux_pll_p, 0, RV1108_PLL_CON(0),
- RV1108_PLL_CON(3), 8, 31, 0, rv1108_pll_rates),
+ RV1108_PLL_CON(3), 8, 0, 0, rv1108_pll_rates),
[dpll] = PLL(pll_rk3399, PLL_DPLL, "dpll", mux_pll_p, 0, RV1108_PLL_CON(8),
- RV1108_PLL_CON(11), 8, 31, 0, NULL),
+ RV1108_PLL_CON(11), 8, 1, 0, NULL),
[gpll] = PLL(pll_rk3399, PLL_GPLL, "gpll", mux_pll_p, 0, RV1108_PLL_CON(16),
- RV1108_PLL_CON(19), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rv1108_pll_rates),
+ RV1108_PLL_CON(19), 8, 2, 0, rv1108_pll_rates),
};
#define MFLAGS CLK_MUX_HIWORD_MASK
@@ -170,10 +197,10 @@ static struct rockchip_clk_branch rv1108_i2s2_fracmux __initdata =
RV1108_CLKSEL_CON(7), 12, 2, MFLAGS);
static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
- MUX(0, "hdmi_phy", mux_hdmiphy_phy_p, CLK_SET_RATE_PARENT,
- RV1108_MISC_CON, 13, 2, MFLAGS),
+ MUX(0, "hdmiphy", mux_hdmiphy_phy_p, CLK_SET_RATE_PARENT,
+ RV1108_MISC_CON, 13, 1, MFLAGS),
MUX(0, "usb480m", mux_usb480m_pre_p, CLK_SET_RATE_PARENT,
- RV1108_MISC_CON, 15, 2, MFLAGS),
+ RV1108_MISC_CON, 15, 1, MFLAGS),
/*
* Clock-Architecture Diagram 2
*/
@@ -197,50 +224,212 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
RV1108_CLKGATE_CON(11), 1, GFLAGS),
/* PD_RKVENC */
+ COMPOSITE(0, "aclk_rkvenc_pre", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(37), 6, 2, MFLAGS, 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(8), 8, GFLAGS),
+ FACTOR_GATE(0, "hclk_rkvenc_pre", "aclk_rkvenc_pre", 0, 1, 4,
+ RV1108_CLKGATE_CON(8), 10, GFLAGS),
+ COMPOSITE(SCLK_VENC_CORE, "clk_venc_core", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(37), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(8), 9, GFLAGS),
+ GATE(ACLK_RKVENC, "aclk_rkvenc", "aclk_rkvenc_pre", 0,
+ RV1108_CLKGATE_CON(19), 8, GFLAGS),
+ GATE(HCLK_RKVENC, "hclk_rkvenc", "hclk_rkvenc_pre", 0,
+ RV1108_CLKGATE_CON(19), 9, GFLAGS),
+ GATE(0, "aclk_rkvenc_niu", "aclk_rkvenc_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(19), 11, GFLAGS),
+ GATE(0, "hclk_rkvenc_niu", "hclk_rkvenc_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(19), 10, GFLAGS),
/* PD_RKVDEC */
+ COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(36), 6, 2, MFLAGS, 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(8), 2, GFLAGS),
+ FACTOR_GATE(0, "hclk_rkvdec_pre", "sclk_hevc_core", 0, 1, 4,
+ RV1108_CLKGATE_CON(8), 10, GFLAGS),
+ COMPOSITE(SCLK_HEVC_CABAC, "clk_hevc_cabac", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(35), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(8), 1, GFLAGS),
+
+ COMPOSITE(0, "aclk_rkvdec_pre", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(8), 0, GFLAGS),
+ COMPOSITE(0, "aclk_vpu_pre", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(36), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(8), 3, GFLAGS),
+ GATE(ACLK_RKVDEC, "aclk_rkvdec", "aclk_rkvdec_pre", 0,
+ RV1108_CLKGATE_CON(19), 0, GFLAGS),
+ GATE(ACLK_VPU, "aclk_vpu", "aclk_vpu_pre", 0,
+ RV1108_CLKGATE_CON(19), 1, GFLAGS),
+ GATE(HCLK_RKVDEC, "hclk_rkvdec", "hclk_rkvdec_pre", 0,
+ RV1108_CLKGATE_CON(19), 2, GFLAGS),
+ GATE(HCLK_VPU, "hclk_vpu", "hclk_rkvdec_pre", 0,
+ RV1108_CLKGATE_CON(19), 3, GFLAGS),
+ GATE(0, "aclk_rkvdec_niu", "aclk_rkvdec_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(19), 4, GFLAGS),
+ GATE(0, "hclk_rkvdec_niu", "hclk_rkvdec_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(19), 5, GFLAGS),
+ GATE(0, "aclk_vpu_niu", "aclk_vpu_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(19), 6, GFLAGS),
/* PD_PMU_wrapper */
COMPOSITE_NOMUX(0, "pmu_24m_ena", "gpll", CLK_IGNORE_UNUSED,
RV1108_CLKSEL_CON(38), 0, 5, DFLAGS,
RV1108_CLKGATE_CON(8), 12, GFLAGS),
- GATE(0, "pmu", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_pmu", "pmu_24m_ena", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(10), 0, GFLAGS),
- GATE(0, "intmem1", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_intmem1", "pmu_24m_ena", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(10), 1, GFLAGS),
- GATE(0, "gpio0_pmu", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(PCLK_GPIO0_PMU, "pclk_gpio0_pmu", "pmu_24m_ena", 0,
RV1108_CLKGATE_CON(10), 2, GFLAGS),
- GATE(0, "pmugrf", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_pmugrf", "pmu_24m_ena", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(10), 3, GFLAGS),
- GATE(0, "pmu_noc", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_pmu_niu", "pmu_24m_ena", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(10), 4, GFLAGS),
- GATE(0, "i2c0_pmu_pclk", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(PCLK_I2C0_PMU, "pclk_i2c0_pmu", "pmu_24m_ena", 0,
RV1108_CLKGATE_CON(10), 5, GFLAGS),
- GATE(0, "pwm0_pmu_pclk", "pmu_24m_ena", CLK_IGNORE_UNUSED,
+ GATE(PCLK_PWM0_PMU, "pclk_pwm0_pmu", "pmu_24m_ena", 0,
RV1108_CLKGATE_CON(10), 6, GFLAGS),
- COMPOSITE(0, "pwm0_pmu_clk", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
+ COMPOSITE(SCLK_PWM0_PMU, "sclk_pwm0_pmu", mux_pll_src_2plls_p, 0,
RV1108_CLKSEL_CON(12), 7, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(8), 15, GFLAGS),
- COMPOSITE(0, "i2c0_pmu_clk", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
+ COMPOSITE(SCLK_I2C0_PMU, "sclk_i2c0_pmu", mux_pll_src_2plls_p, 0,
RV1108_CLKSEL_CON(19), 7, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(8), 14, GFLAGS),
GATE(0, "pvtm_pmu", "xin24m", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(8), 13, GFLAGS),
/*
+ * Clock-Architecture Diagram 3
+ */
+ COMPOSITE(SCLK_WIFI, "sclk_wifi", mux_wifi_src_p, 0,
+ RV1108_CLKSEL_CON(28), 15, 1, MFLAGS, 8, 6, DFLAGS,
+ RV1108_CLKGATE_CON(9), 8, GFLAGS),
+ COMPOSITE_NODIV(0, "sclk_cifout_src", mux_cifout_src_p, 0,
+ RV1108_CLKSEL_CON(40), 8, 1, MFLAGS,
+ RV1108_CLKGATE_CON(9), 11, GFLAGS),
+ COMPOSITE_NOGATE(SCLK_CIFOUT, "sclk_cifout", mux_cifout_p, 0,
+ RV1108_CLKSEL_CON(40), 12, 1, MFLAGS, 0, 5, DFLAGS),
+ COMPOSITE_NOMUX(SCLK_MIPI_CSI_OUT, "sclk_mipi_csi_out", "xin24m", 0,
+ RV1108_CLKSEL_CON(41), 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 12, GFLAGS),
+
+ GATE(0, "pclk_acodecphy", "pclk_top_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 6, GFLAGS),
+ GATE(0, "pclk_usbgrf", "pclk_top_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 14, GFLAGS),
+
+ GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(18), 10, GFLAGS),
+ GATE(HCLK_CIF0, "hclk_cif0", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 10, GFLAGS),
+ COMPOSITE_NODIV(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_src_p, 0,
+ RV1108_CLKSEL_CON(31), 0, 2, MFLAGS,
+ RV1108_CLKGATE_CON(7), 9, GFLAGS),
+ GATE(ACLK_CIF1, "aclk_cif1", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(17), 6, GFLAGS),
+ GATE(HCLK_CIF1, "hclk_cif1", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(17), 7, GFLAGS),
+ COMPOSITE_NODIV(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_src_p, 0,
+ RV1108_CLKSEL_CON(31), 2, 2, MFLAGS,
+ RV1108_CLKGATE_CON(7), 10, GFLAGS),
+ GATE(ACLK_CIF2, "aclk_cif2", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(17), 8, GFLAGS),
+ GATE(HCLK_CIF2, "hclk_cif2", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(17), 9, GFLAGS),
+ COMPOSITE_NODIV(SCLK_CIF2, "sclk_cif2", mux_sclk_cif2_src_p, 0,
+ RV1108_CLKSEL_CON(31), 4, 2, MFLAGS,
+ RV1108_CLKGATE_CON(7), 11, GFLAGS),
+ GATE(ACLK_CIF3, "aclk_cif3", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(17), 10, GFLAGS),
+ GATE(HCLK_CIF3, "hclk_cif3", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(17), 11, GFLAGS),
+ COMPOSITE_NODIV(SCLK_CIF3, "sclk_cif3", mux_sclk_cif3_src_p, 0,
+ RV1108_CLKSEL_CON(31), 6, 2, MFLAGS,
+ RV1108_CLKGATE_CON(7), 12, GFLAGS),
+ GATE(0, "pclk_cif1to4", "pclk_vip", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(7), 8, GFLAGS),
+
+ /* PD_DSP_wrapper */
+ COMPOSITE(SCLK_DSP, "sclk_dsp", mux_dsp_src_p, 0,
+ RV1108_CLKSEL_CON(42), 8, 2, MFLAGS, 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 0, GFLAGS),
+ GATE(0, "clk_dsp_sys_wd", "sclk_dsp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 0, GFLAGS),
+ GATE(0, "clk_dsp_epp_wd", "sclk_dsp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 1, GFLAGS),
+ GATE(0, "clk_dsp_edp_wd", "sclk_dsp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 2, GFLAGS),
+ GATE(0, "clk_dsp_iop_wd", "sclk_dsp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 3, GFLAGS),
+ GATE(0, "clk_dsp_free", "sclk_dsp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 13, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_DSP_IOP, "sclk_dsp_iop", "sclk_dsp", 0,
+ RV1108_CLKSEL_CON(44), 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 1, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_DSP_EPP, "sclk_dsp_epp", "sclk_dsp", 0,
+ RV1108_CLKSEL_CON(44), 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 2, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_DSP_EDP, "sclk_dsp_edp", "sclk_dsp", 0,
+ RV1108_CLKSEL_CON(45), 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 3, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_DSP_EDAP, "sclk_dsp_edap", "sclk_dsp", 0,
+ RV1108_CLKSEL_CON(45), 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 4, GFLAGS),
+ GATE(0, "pclk_dsp_iop_niu", "sclk_dsp_iop", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 4, GFLAGS),
+ GATE(0, "aclk_dsp_epp_niu", "sclk_dsp_epp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 5, GFLAGS),
+ GATE(0, "aclk_dsp_edp_niu", "sclk_dsp_edp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 6, GFLAGS),
+ GATE(0, "pclk_dsp_dbg_niu", "sclk_dsp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 7, GFLAGS),
+ GATE(0, "aclk_dsp_edap_niu", "sclk_dsp_edap", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 14, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_DSP_PFM, "sclk_dsp_pfm", "sclk_dsp", 0,
+ RV1108_CLKSEL_CON(43), 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 5, GFLAGS),
+ COMPOSITE_NOMUX(PCLK_DSP_CFG, "pclk_dsp_cfg", "sclk_dsp", 0,
+ RV1108_CLKSEL_CON(43), 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(9), 6, GFLAGS),
+ GATE(0, "pclk_dsp_cfg_niu", "pclk_dsp_cfg", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 8, GFLAGS),
+ GATE(0, "pclk_dsp_pfm_mon", "pclk_dsp_cfg", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 9, GFLAGS),
+ GATE(0, "pclk_intc", "pclk_dsp_cfg", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 10, GFLAGS),
+ GATE(0, "pclk_dsp_grf", "pclk_dsp_cfg", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 11, GFLAGS),
+ GATE(0, "pclk_mailbox", "pclk_dsp_cfg", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 12, GFLAGS),
+ GATE(0, "aclk_dsp_epp_perf", "sclk_dsp_epp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(16), 15, GFLAGS),
+ GATE(0, "aclk_dsp_edp_perf", "sclk_dsp_edp", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(11), 8, GFLAGS),
+
+ /*
* Clock-Architecture Diagram 4
*/
- COMPOSITE(0, "aclk_vio0_2wrap_occ", mux_pll_src_4plls_p, CLK_IGNORE_UNUSED,
+ COMPOSITE(0, "aclk_vio0_pre", mux_pll_src_4plls_p, CLK_IGNORE_UNUSED,
RV1108_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 5, DFLAGS,
RV1108_CLKGATE_CON(6), 0, GFLAGS),
- GATE(0, "aclk_vio0_pre", "aclk_vio0_2wrap_occ", CLK_IGNORE_UNUSED,
+ GATE(ACLK_VIO0, "aclk_vio0", "aclk_vio0_pre", 0,
RV1108_CLKGATE_CON(17), 0, GFLAGS),
COMPOSITE_NOMUX(0, "hclk_vio_pre", "aclk_vio0_pre", 0,
RV1108_CLKSEL_CON(29), 0, 5, DFLAGS,
RV1108_CLKGATE_CON(7), 2, GFLAGS),
+ GATE(HCLK_VIO, "hclk_vio", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(17), 2, GFLAGS),
COMPOSITE_NOMUX(0, "pclk_vio_pre", "aclk_vio0_pre", 0,
RV1108_CLKSEL_CON(29), 8, 5, DFLAGS,
RV1108_CLKGATE_CON(7), 3, GFLAGS),
+ GATE(PCLK_VIO, "pclk_vio", "pclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(17), 3, GFLAGS),
+ COMPOSITE(0, "aclk_vio1_pre", mux_pll_src_4plls_p, CLK_IGNORE_UNUSED,
+ RV1108_CLKSEL_CON(28), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(6), 1, GFLAGS),
+ GATE(ACLK_VIO1, "aclk_vio1", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(17), 1, GFLAGS),
INVERTER(0, "pclk_vip", "ext_vip",
RV1108_CLKSEL_CON(31), 8, IFLAGS),
@@ -252,8 +441,63 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
RV1108_CLKGATE_CON(6), 5, GFLAGS),
GATE(0, "dclk_hdmiphy_src_dpll", "dpll", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(6), 4, GFLAGS),
- COMPOSITE_NOGATE(0, "dclk_hdmiphy", mux_dclk_hdmiphy_pre_p, 0,
- RV1108_CLKSEL_CON(32), 6, 2, MFLAGS, 8, 6, DFLAGS),
+ COMPOSITE_NOGATE(0, "dclk_hdmiphy_pre", mux_dclk_hdmiphy_pre_p, 0,
+ RV1108_CLKSEL_CON(32), 6, 1, MFLAGS, 8, 6, DFLAGS),
+ COMPOSITE_NOGATE(DCLK_VOP_SRC, "dclk_vop_src", mux_dclk_hdmiphy_pre_p, 0,
+ RV1108_CLKSEL_CON(32), 6, 1, MFLAGS, 0, 6, DFLAGS),
+ MUX(DCLK_HDMIPHY, "dclk_hdmiphy", mux_dclk_hdmiphy_p, CLK_SET_RATE_PARENT,
+ RV1108_CLKSEL_CON(32), 15, 1, MFLAGS),
+ MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, CLK_SET_RATE_PARENT,
+ RV1108_CLKSEL_CON(32), 7, 1, MFLAGS),
+ GATE(ACLK_VOP, "aclk_vop", "aclk_vio0_pre", 0,
+ RV1108_CLKGATE_CON(18), 0, GFLAGS),
+ GATE(HCLK_VOP, "hclk_vop", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 1, GFLAGS),
+ GATE(ACLK_IEP, "aclk_iep", "aclk_vio0_pre", 0,
+ RV1108_CLKGATE_CON(18), 2, GFLAGS),
+ GATE(HCLK_IEP, "hclk_iep", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 3, GFLAGS),
+
+ GATE(ACLK_RGA, "aclk_rga", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(18), 4, GFLAGS),
+ GATE(HCLK_RGA, "hclk_rga", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 5, GFLAGS),
+ COMPOSITE(SCLK_RGA, "sclk_rga", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(33), 6, 2, MFLAGS, 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(6), 6, GFLAGS),
+
+ COMPOSITE(SCLK_CVBS_HOST, "sclk_cvbs_host", mux_cvbs_src_p, 0,
+ RV1108_CLKSEL_CON(33), 13, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(6), 7, GFLAGS),
+ FACTOR(0, "sclk_cvbs_27m", "sclk_cvbs_host", 0, 1, 2),
+
+ GATE(SCLK_HDMI_SFR, "sclk_hdmi_sfr", "xin24m", 0,
+ RV1108_CLKGATE_CON(6), 8, GFLAGS),
+
+ COMPOSITE(SCLK_HDMI_CEC, "sclk_hdmi_cec", mux_hdmi_cec_src_p, 0,
+ RV1108_CLKSEL_CON(34), 14, 2, MFLAGS, 0, 14, DFLAGS,
+ RV1108_CLKGATE_CON(6), 9, GFLAGS),
+ GATE(PCLK_MIPI_DSI, "pclk_mipi_dsi", "pclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 8, GFLAGS),
+ GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "pclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 9, GFLAGS),
+
+ GATE(ACLK_ISP, "aclk_isp", "aclk_vio1_pre", 0,
+ RV1108_CLKGATE_CON(18), 12, GFLAGS),
+ GATE(HCLK_ISP, "hclk_isp", "hclk_vio_pre", 0,
+ RV1108_CLKGATE_CON(18), 11, GFLAGS),
+ COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_4plls_p, 0,
+ RV1108_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(6), 3, GFLAGS),
+
+ GATE(0, "clk_dsiphy24m", "xin24m", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(9), 10, GFLAGS),
+ GATE(0, "pclk_vdacphy", "pclk_top_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 9, GFLAGS),
+ GATE(0, "pclk_mipi_dsiphy", "pclk_top_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 11, GFLAGS),
+ GATE(0, "pclk_mipi_csiphy", "pclk_top_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 12, GFLAGS),
/*
* Clock-Architecture Diagram 5
@@ -261,10 +505,11 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
- COMPOSITE(0, "i2s0_src", mux_pll_src_2plls_p, 0,
+
+ COMPOSITE(SCLK_I2S0_SRC, "i2s0_src", mux_pll_src_2plls_p, 0,
RV1108_CLKSEL_CON(5), 8, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(2), 0, GFLAGS),
- COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT,
RV1108_CLKSEL_CON(8), 0,
RV1108_CLKGATE_CON(2), 1, GFLAGS,
&rv1108_i2s0_fracmux),
@@ -274,7 +519,7 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
RV1108_CLKSEL_CON(5), 15, 1, MFLAGS,
RV1108_CLKGATE_CON(2), 3, GFLAGS),
- COMPOSITE(0, "i2s1_src", mux_pll_src_2plls_p, 0,
+ COMPOSITE(SCLK_I2S1_SRC, "i2s1_src", mux_pll_src_2plls_p, 0,
RV1108_CLKSEL_CON(6), 8, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(2), 4, GFLAGS),
COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
@@ -284,7 +529,7 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT,
RV1108_CLKGATE_CON(2), 6, GFLAGS),
- COMPOSITE(0, "i2s2_src", mux_pll_src_2plls_p, 0,
+ COMPOSITE(SCLK_I2S2_SRC, "i2s2_src", mux_pll_src_2plls_p, 0,
RV1108_CLKSEL_CON(7), 8, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 8, GFLAGS),
COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_src", CLK_SET_RATE_PARENT,
@@ -303,32 +548,53 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
RV1108_CLKGATE_CON(1), 2, GFLAGS),
COMPOSITE_NOGATE(ACLK_PRE, "aclk_bus_pre", mux_aclk_bus_src_p, 0,
RV1108_CLKSEL_CON(2), 8, 2, MFLAGS, 0, 5, DFLAGS),
- COMPOSITE_NOMUX(0, "hclk_bus_pre", "aclk_bus_2wrap_occ", 0,
+ COMPOSITE_NOMUX(HCLK_BUS, "hclk_bus_pre", "aclk_bus_pre", 0,
RV1108_CLKSEL_CON(3), 0, 5, DFLAGS,
RV1108_CLKGATE_CON(1), 4, GFLAGS),
- COMPOSITE_NOMUX(0, "pclken_bus", "aclk_bus_2wrap_occ", 0,
+ COMPOSITE_NOMUX(0, "pclk_bus_pre", "aclk_bus_pre", 0,
RV1108_CLKSEL_CON(3), 8, 5, DFLAGS,
RV1108_CLKGATE_CON(1), 5, GFLAGS),
- GATE(0, "pclk_bus_pre", "pclken_bus", CLK_IGNORE_UNUSED,
+ GATE(PCLK_BUS, "pclk_bus", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(1), 6, GFLAGS),
- GATE(0, "pclk_top_pre", "pclken_bus", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_top_pre", "pclk_bus_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(1), 7, GFLAGS),
- GATE(0, "pclk_ddr_pre", "pclken_bus", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_ddr_pre", "pclk_bus_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(1), 8, GFLAGS),
- GATE(0, "clk_timer0", "mux_pll_p", CLK_IGNORE_UNUSED,
+ GATE(SCLK_TIMER0, "clk_timer0", "xin24m", 0,
RV1108_CLKGATE_CON(1), 9, GFLAGS),
- GATE(0, "clk_timer1", "mux_pll_p", CLK_IGNORE_UNUSED,
+ GATE(SCLK_TIMER1, "clk_timer1", "xin24m", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(1), 10, GFLAGS),
- GATE(0, "pclk_timer", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_TIMER, "pclk_timer", "pclk_bus_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(13), 4, GFLAGS),
- COMPOSITE(0, "uart0_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
+ GATE(HCLK_I2S0_8CH, "hclk_i2s0_8ch", "hclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 7, GFLAGS),
+ GATE(HCLK_I2S1_2CH, "hclk_i2s1_2ch", "hclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 8, GFLAGS),
+ GATE(HCLK_I2S2_2CH, "hclk_i2s2_2ch", "hclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 9, GFLAGS),
+
+ GATE(HCLK_CRYPTO_MST, "hclk_crypto_mst", "hclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 10, GFLAGS),
+ GATE(HCLK_CRYPTO_SLV, "hclk_crypto_slv", "hclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 11, GFLAGS),
+ COMPOSITE(SCLK_CRYPTO, "sclk_crypto", mux_pll_src_2plls_p, 0,
+ RV1108_CLKSEL_CON(11), 7, 1, MFLAGS, 0, 5, DFLAGS,
+ RV1108_CLKGATE_CON(2), 12, GFLAGS),
+
+ COMPOSITE(SCLK_SPI, "sclk_spi", mux_pll_src_2plls_p, 0,
+ RV1108_CLKSEL_CON(11), 15, 1, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKGATE_CON(3), 0, GFLAGS),
+ GATE(PCLK_SPI, "pclk_spi", "pclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(13), 5, GFLAGS),
+
+ COMPOSITE(SCLK_UART0_SRC, "uart0_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
RV1108_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 1, GFLAGS),
- COMPOSITE(0, "uart1_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
+ COMPOSITE(SCLK_UART1_SRC, "uart1_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
RV1108_CLKSEL_CON(14), 12, 2, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 3, GFLAGS),
- COMPOSITE(0, "uart21_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
+ COMPOSITE(SCLK_UART2_SRC, "uart2_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
RV1108_CLKSEL_CON(15), 12, 2, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 5, GFLAGS),
@@ -344,44 +610,58 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
RV1108_CLKSEL_CON(18), 0,
RV1108_CLKGATE_CON(3), 6, GFLAGS,
&rv1108_uart2_fracmux),
- GATE(PCLK_UART0, "pclk_uart0", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_UART0, "pclk_uart0", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 10, GFLAGS),
- GATE(PCLK_UART1, "pclk_uart1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_UART1, "pclk_uart1", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 11, GFLAGS),
- GATE(PCLK_UART2, "pclk_uart2", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_UART2, "pclk_uart2", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 12, GFLAGS),
- COMPOSITE(0, "clk_i2c1", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
- RV1108_CLKSEL_CON(19), 15, 2, MFLAGS, 8, 7, DFLAGS,
+ COMPOSITE(SCLK_I2C1, "clk_i2c1", mux_pll_src_2plls_p, 0,
+ RV1108_CLKSEL_CON(19), 15, 1, MFLAGS, 8, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 7, GFLAGS),
- COMPOSITE(0, "clk_i2c2", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
- RV1108_CLKSEL_CON(20), 7, 2, MFLAGS, 0, 7, DFLAGS,
+ COMPOSITE(SCLK_I2C2, "clk_i2c2", mux_pll_src_2plls_p, 0,
+ RV1108_CLKSEL_CON(20), 7, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 8, GFLAGS),
- COMPOSITE(0, "clk_i2c3", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
- RV1108_CLKSEL_CON(20), 15, 2, MFLAGS, 8, 7, DFLAGS,
+ COMPOSITE(SCLK_I2C3, "clk_i2c3", mux_pll_src_2plls_p, 0,
+ RV1108_CLKSEL_CON(20), 15, 1, MFLAGS, 8, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 9, GFLAGS),
- GATE(0, "pclk_i2c1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_I2C1, "pclk_i2c1", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 0, GFLAGS),
- GATE(0, "pclk_i2c2", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_I2C2, "pclk_i2c2", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 1, GFLAGS),
- GATE(0, "pclk_i2c3", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_I2C3, "pclk_i2c3", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 2, GFLAGS),
- COMPOSITE(0, "clk_pwm1", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
+ COMPOSITE(SCLK_PWM, "clk_pwm", mux_pll_src_2plls_p, 0,
RV1108_CLKSEL_CON(12), 15, 2, MFLAGS, 8, 7, DFLAGS,
RV1108_CLKGATE_CON(3), 10, GFLAGS),
- GATE(0, "pclk_pwm1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_PWM, "pclk_pwm", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 6, GFLAGS),
- GATE(0, "pclk_wdt", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_WDT, "pclk_wdt", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 3, GFLAGS),
- GATE(0, "pclk_gpio1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 7, GFLAGS),
- GATE(0, "pclk_gpio2", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 8, GFLAGS),
- GATE(0, "pclk_gpio3", "pclk_bus_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_bus_pre", 0,
RV1108_CLKGATE_CON(13), 9, GFLAGS),
GATE(0, "pclk_grf", "pclk_bus_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(14), 0, GFLAGS),
+ GATE(PCLK_EFUSE0, "pclk_efuse0", "pclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 12, GFLAGS),
+ GATE(PCLK_EFUSE1, "pclk_efuse1", "pclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(12), 13, GFLAGS),
+ GATE(PCLK_TSADC, "pclk_tsadc", "pclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(13), 13, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
+ RV1108_CLKSEL_CON(21), 0, 10, DFLAGS,
+ RV1108_CLKGATE_CON(3), 11, GFLAGS),
+ GATE(PCLK_SARADC, "pclk_saradc", "pclk_bus_pre", 0,
+ RV1108_CLKGATE_CON(13), 14, GFLAGS),
+ COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
+ RV1108_CLKSEL_CON(22), 0, 10, DFLAGS,
+ RV1108_CLKGATE_CON(3), 12, GFLAGS),
GATE(ACLK_DMAC, "aclk_dmac", "aclk_bus_pre", 0,
RV1108_CLKGATE_CON(12), 2, GFLAGS),
@@ -397,18 +677,24 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
RV1108_CLKGATE_CON(0), 9, GFLAGS),
GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(0), 10, GFLAGS),
- COMPOSITE(0, "ddrphy4x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
+ COMPOSITE_NOGATE(0, "clk_ddrphy_src", mux_ddrphy_p, CLK_IGNORE_UNUSED,
RV1108_CLKSEL_CON(4), 8, 2, MFLAGS, 0, 3,
- DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
+ DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
+ FACTOR(0, "clk_ddr", "clk_ddrphy_src", 0, 1, 2),
+ GATE(0, "clk_ddrphy4x", "clk_ddr", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(10), 9, GFLAGS),
- GATE(0, "ddrupctl", "ddrphy_pre", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_ddrupctl", "pclk_ddr_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(12), 4, GFLAGS),
- GATE(0, "ddrc", "ddrphy", CLK_IGNORE_UNUSED,
+ GATE(0, "nclk_ddrupctl", "clk_ddr", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(12), 5, GFLAGS),
- GATE(0, "ddrmon", "ddrphy_pre", CLK_IGNORE_UNUSED,
+ GATE(0, "pclk_ddrmon", "pclk_ddr_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(12), 6, GFLAGS),
GATE(0, "timer_clk", "xin24m", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(0), 11, GFLAGS),
+ GATE(0, "pclk_mschniu", "pclk_ddr_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 2, GFLAGS),
+ GATE(0, "pclk_ddrphy", "pclk_ddr_pre", CLK_IGNORE_UNUSED,
+ RV1108_CLKGATE_CON(14), 4, GFLAGS),
/*
* Clock-Architecture Diagram 6
@@ -418,23 +704,23 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
COMPOSITE_NOMUX(0, "pclk_periph_pre", "gpll", 0,
RV1108_CLKSEL_CON(23), 10, 5, DFLAGS,
RV1108_CLKGATE_CON(4), 5, GFLAGS),
- GATE(0, "pclk_periph", "pclk_periph_pre", CLK_IGNORE_UNUSED,
+ GATE(PCLK_PERI, "pclk_periph", "pclk_periph_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(15), 13, GFLAGS),
COMPOSITE_NOMUX(0, "hclk_periph_pre", "gpll", 0,
RV1108_CLKSEL_CON(23), 5, 5, DFLAGS,
RV1108_CLKGATE_CON(4), 4, GFLAGS),
- GATE(0, "hclk_periph", "hclk_periph_pre", CLK_IGNORE_UNUSED,
+ GATE(HCLK_PERI, "hclk_periph", "hclk_periph_pre", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(15), 12, GFLAGS),
GATE(0, "aclk_peri_src_dpll", "dpll", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(4), 1, GFLAGS),
GATE(0, "aclk_peri_src_gpll", "gpll", CLK_IGNORE_UNUSED,
RV1108_CLKGATE_CON(4), 2, GFLAGS),
- COMPOSITE(0, "aclk_periph", mux_aclk_peri_src_p, CLK_IGNORE_UNUSED,
- RV1108_CLKSEL_CON(23), 15, 2, MFLAGS, 0, 5, DFLAGS,
+ COMPOSITE(ACLK_PERI, "aclk_periph", mux_aclk_peri_src_p, 0,
+ RV1108_CLKSEL_CON(23), 15, 1, MFLAGS, 0, 5, DFLAGS,
RV1108_CLKGATE_CON(15), 11, GFLAGS),
- COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
+ COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0,
RV1108_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 8, DFLAGS,
RV1108_CLKGATE_CON(5), 0, GFLAGS),
@@ -454,23 +740,31 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
GATE(HCLK_EMMC, "hclk_emmc", "hclk_periph", 0, RV1108_CLKGATE_CON(15), 2, GFLAGS),
COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_2plls_p, 0,
- RV1108_CLKSEL_CON(27), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ RV1108_CLKSEL_CON(27), 14, 1, MFLAGS, 8, 5, DFLAGS,
RV1108_CLKGATE_CON(5), 3, GFLAGS),
GATE(HCLK_NANDC, "hclk_nandc", "hclk_periph", 0, RV1108_CLKGATE_CON(15), 3, GFLAGS),
+ GATE(HCLK_HOST0, "hclk_host0", "hclk_periph", 0, RV1108_CLKGATE_CON(15), 6, GFLAGS),
+ GATE(0, "hclk_host0_arb", "hclk_periph", CLK_IGNORE_UNUSED, RV1108_CLKGATE_CON(15), 7, GFLAGS),
+ GATE(HCLK_OTG, "hclk_otg", "hclk_periph", 0, RV1108_CLKGATE_CON(15), 8, GFLAGS),
+ GATE(0, "hclk_otg_pmu", "hclk_periph", CLK_IGNORE_UNUSED, RV1108_CLKGATE_CON(15), 9, GFLAGS),
+ GATE(SCLK_USBPHY, "clk_usbphy", "xin24m", CLK_IGNORE_UNUSED, RV1108_CLKGATE_CON(5), 5, GFLAGS),
+
COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_2plls_p, 0,
- RV1108_CLKSEL_CON(27), 7, 2, MFLAGS, 0, 7, DFLAGS,
+ RV1108_CLKSEL_CON(27), 7, 1, MFLAGS, 0, 7, DFLAGS,
RV1108_CLKGATE_CON(5), 4, GFLAGS),
GATE(HCLK_SFC, "hclk_sfc", "hclk_periph", 0, RV1108_CLKGATE_CON(15), 10, GFLAGS),
- COMPOSITE(0, "sclk_macphy_pre", mux_pll_src_apll_gpll_p, 0,
- RV1108_CLKSEL_CON(24), 12, 2, MFLAGS, 0, 5, DFLAGS,
+ COMPOSITE(SCLK_MAC_PRE, "sclk_mac_pre", mux_pll_src_apll_gpll_p, 0,
+ RV1108_CLKSEL_CON(24), 12, 1, MFLAGS, 0, 5, DFLAGS,
RV1108_CLKGATE_CON(4), 10, GFLAGS),
- MUX(0, "sclk_macphy", mux_sclk_macphy_p, CLK_SET_RATE_PARENT,
- RV1108_CLKSEL_CON(24), 8, 2, MFLAGS),
- GATE(0, "sclk_macphy_rx", "sclk_macphy", 0, RV1108_CLKGATE_CON(4), 8, GFLAGS),
- GATE(0, "sclk_mac_ref", "sclk_macphy", 0, RV1108_CLKGATE_CON(4), 6, GFLAGS),
- GATE(0, "sclk_mac_refout", "sclk_macphy", 0, RV1108_CLKGATE_CON(4), 7, GFLAGS),
+ MUX(SCLK_MAC, "sclk_mac", mux_sclk_mac_p, CLK_SET_RATE_PARENT,
+ RV1108_CLKSEL_CON(24), 8, 1, MFLAGS),
+ GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_mac", 0, RV1108_CLKGATE_CON(4), 8, GFLAGS),
+ GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_mac", 0, RV1108_CLKGATE_CON(4), 6, GFLAGS),
+ GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_mac", 0, RV1108_CLKGATE_CON(4), 7, GFLAGS),
+ GATE(ACLK_GMAC, "aclk_gmac", "aclk_periph", 0, RV1108_CLKGATE_CON(15), 4, GFLAGS),
+ GATE(PCLK_GMAC, "pclk_gmac", "pclk_periph", 0, RV1108_CLKGATE_CON(15), 5, GFLAGS),
MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RV1108_SDMMC_CON0, 1),
MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RV1108_SDMMC_CON1, 1),
@@ -484,10 +778,16 @@ static struct rockchip_clk_branch rv1108_clk_branches[] __initdata = {
static const char *const rv1108_critical_clocks[] __initconst = {
"aclk_core",
- "aclk_bus_src_gpll",
+ "aclk_bus",
+ "hclk_bus",
+ "pclk_bus",
"aclk_periph",
"hclk_periph",
"pclk_periph",
+ "nclk_ddrupctl",
+ "pclk_ddrmon",
+ "pclk_acodecphy",
+ "pclk_pmu",
};
static void __init rv1108_clk_init(struct device_node *np)
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index fe1d393cf678..35dbd63c2f49 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -29,6 +29,7 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/reboot.h>
+#include <linux/rational.h>
#include "clk.h"
/**
@@ -164,6 +165,40 @@ static int rockchip_clk_frac_notifier_cb(struct notifier_block *nb,
return notifier_from_errno(ret);
}
+/**
+ * fractional divider must set that denominator is 20 times larger than
+ * numerator to generate precise clock frequency.
+ */
+static void rockchip_fractional_approximation(struct clk_hw *hw,
+ unsigned long rate, unsigned long *parent_rate,
+ unsigned long *m, unsigned long *n)
+{
+ struct clk_fractional_divider *fd = to_clk_fd(hw);
+ unsigned long p_rate, p_parent_rate;
+ struct clk_hw *p_parent;
+ unsigned long scale;
+
+ p_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
+ if ((rate * 20 > p_rate) && (p_rate % rate != 0)) {
+ p_parent = clk_hw_get_parent(clk_hw_get_parent(hw));
+ p_parent_rate = clk_hw_get_rate(p_parent);
+ *parent_rate = p_parent_rate;
+ }
+
+ /*
+ * Get rate closer to *parent_rate to guarantee there is no overflow
+ * for m and n. In the result it will be the nearest rate left shifted
+ * by (scale - fd->nwidth) bits.
+ */
+ scale = fls_long(*parent_rate / rate - 1);
+ if (scale > fd->nwidth)
+ rate <<= scale - fd->nwidth;
+
+ rational_best_approximation(rate, *parent_rate,
+ GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),
+ m, n);
+}
+
static struct clk *rockchip_clk_register_frac_branch(
struct rockchip_clk_provider *ctx, const char *name,
const char *const *parent_names, u8 num_parents,
@@ -210,6 +245,7 @@ static struct clk *rockchip_clk_register_frac_branch(
div->nwidth = 16;
div->nmask = GENMASK(div->nwidth - 1, 0) << div->nshift;
div->lock = lock;
+ div->approximation = rockchip_fractional_approximation;
div_ops = &clk_fractional_divider_ops;
clk = clk_register_composite(NULL, name, parent_names, num_parents,
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
index 1fab56f396d4..b117783ed404 100644
--- a/drivers/clk/samsung/clk-exynos-audss.c
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -180,7 +180,7 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
}
clk_table[EXYNOS_MOUT_AUDSS] = clk_hw_register_mux(NULL, "mout_audss",
mout_audss_p, ARRAY_SIZE(mout_audss_p),
- CLK_SET_RATE_NO_REPARENT,
+ CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT,
reg_base + ASS_CLK_SRC, 0, 1, 0, &lock);
cdclk = devm_clk_get(&pdev->dev, "cdclk");
@@ -195,11 +195,11 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
reg_base + ASS_CLK_SRC, 2, 2, 0, &lock);
clk_table[EXYNOS_DOUT_SRP] = clk_hw_register_divider(NULL, "dout_srp",
- "mout_audss", 0, reg_base + ASS_CLK_DIV, 0, 4,
- 0, &lock);
+ "mout_audss", CLK_SET_RATE_PARENT,
+ reg_base + ASS_CLK_DIV, 0, 4, 0, &lock);
clk_table[EXYNOS_DOUT_AUD_BUS] = clk_hw_register_divider(NULL,
- "dout_aud_bus", "dout_srp", 0,
+ "dout_aud_bus", "dout_srp", CLK_SET_RATE_PARENT,
reg_base + ASS_CLK_DIV, 4, 4, 0, &lock);
clk_table[EXYNOS_DOUT_I2S] = clk_hw_register_divider(NULL, "dout_i2s",
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 0748a0b333c5..25601967d1cd 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -537,8 +537,8 @@ static const struct samsung_mux_clock exynos5800_mux_clks[] __initconst = {
MUX(CLK_MOUT_MX_MSPLL_CCORE, "mout_mx_mspll_ccore",
mout_mx_mspll_ccore_p, SRC_TOP7, 16, 2),
- MUX(CLK_MOUT_MAU_EPLL, "mout_mau_epll_clk", mout_mau_epll_clk_5800_p,
- SRC_TOP7, 20, 2),
+ MUX_F(CLK_MOUT_MAU_EPLL, "mout_mau_epll_clk", mout_mau_epll_clk_5800_p,
+ SRC_TOP7, 20, 2, CLK_SET_RATE_PARENT, 0),
MUX(0, "sclk_bpll", mout_bpll_p, SRC_TOP7, 24, 1),
MUX(0, "mout_epll2", mout_epll2_5800_p, SRC_TOP7, 28, 1),
@@ -547,8 +547,8 @@ static const struct samsung_mux_clock exynos5800_mux_clks[] __initconst = {
MUX(0, "mout_aclk432_cam", mout_group6_5800_p, SRC_TOP8, 24, 2),
MUX(0, "mout_aclk432_scaler", mout_group6_5800_p, SRC_TOP8, 28, 2),
- MUX(CLK_MOUT_USER_MAU_EPLL, "mout_user_mau_epll", mout_group16_5800_p,
- SRC_TOP9, 8, 1),
+ MUX_F(CLK_MOUT_USER_MAU_EPLL, "mout_user_mau_epll", mout_group16_5800_p,
+ SRC_TOP9, 8, 1, CLK_SET_RATE_PARENT, 0),
MUX(0, "mout_user_aclk550_cam", mout_group15_5800_p,
SRC_TOP9, 16, 1),
MUX(0, "mout_user_aclkfl1_550_cam", mout_group13_5800_p,
@@ -590,6 +590,8 @@ static const struct samsung_gate_clock exynos5800_gate_clks[] __initconst = {
GATE_BUS_TOP, 24, 0, 0),
GATE(CLK_ACLK432_SCALER, "aclk432_scaler", "mout_user_aclk432_scaler",
GATE_BUS_TOP, 27, CLK_IS_CRITICAL, 0),
+ GATE(CLK_MAU_EPLL, "mau_epll", "mout_user_mau_epll",
+ SRC_MASK_TOP7, 20, CLK_SET_RATE_PARENT, 0),
};
static const struct samsung_mux_clock exynos5420_mux_clks[] __initconst = {
@@ -629,6 +631,11 @@ static const struct samsung_div_clock exynos5420_div_clks[] __initconst = {
"mout_aclk400_wcore_bpll", DIV_TOP0, 16, 3),
};
+static const struct samsung_gate_clock exynos5420_gate_clks[] __initconst = {
+ GATE(CLK_MAU_EPLL, "mau_epll", "mout_mau_epll_clk",
+ SRC_MASK_TOP7, 20, CLK_SET_RATE_PARENT, 0),
+};
+
static const struct samsung_mux_clock exynos5x_mux_clks[] __initconst = {
MUX(0, "mout_user_pclk66_gpio", mout_user_pclk66_gpio_p,
SRC_TOP7, 4, 1),
@@ -706,7 +713,8 @@ static const struct samsung_mux_clock exynos5x_mux_clks[] __initconst = {
MUX(0, "mout_sclk_spll", mout_spll_p, SRC_TOP6, 8, 1),
MUX(0, "mout_sclk_ipll", mout_ipll_p, SRC_TOP6, 12, 1),
MUX(0, "mout_sclk_rpll", mout_rpll_p, SRC_TOP6, 16, 1),
- MUX(CLK_MOUT_EPLL, "mout_sclk_epll", mout_epll_p, SRC_TOP6, 20, 1),
+ MUX_F(CLK_MOUT_EPLL, "mout_sclk_epll", mout_epll_p, SRC_TOP6, 20, 1,
+ CLK_SET_RATE_PARENT, 0),
MUX(0, "mout_sclk_dpll", mout_dpll_p, SRC_TOP6, 24, 1),
MUX(0, "mout_sclk_cpll", mout_cpll_p, SRC_TOP6, 28, 1),
@@ -1001,9 +1009,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = {
GATE(0, "aclk300_disp1", "mout_user_aclk300_disp1",
SRC_MASK_TOP2, 24, CLK_IS_CRITICAL, 0),
- GATE(CLK_MAU_EPLL, "mau_epll", "mout_mau_epll_clk",
- SRC_MASK_TOP7, 20, 0, 0),
-
/* sclk */
GATE(CLK_SCLK_UART0, "sclk_uart0", "dout_uart0",
GATE_TOP_SCLK_PERIC, 0, CLK_SET_RATE_PARENT, 0),
@@ -1283,16 +1288,16 @@ static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __ini
static const struct samsung_pll_rate_table exynos5420_epll_24mhz_tbl[] = {
PLL_36XX_RATE(600000000U, 100, 2, 1, 0),
PLL_36XX_RATE(400000000U, 200, 3, 2, 0),
- PLL_36XX_RATE(393216000U, 197, 3, 2, 25690),
- PLL_36XX_RATE(361267200U, 301, 5, 2, 3671),
+ PLL_36XX_RATE(393216003U, 197, 3, 2, -25690),
+ PLL_36XX_RATE(361267218U, 301, 5, 2, 3671),
PLL_36XX_RATE(200000000U, 200, 3, 3, 0),
- PLL_36XX_RATE(196608000U, 197, 3, 3, -25690),
- PLL_36XX_RATE(180633600U, 301, 5, 3, 3671),
- PLL_36XX_RATE(131072000U, 131, 3, 3, 4719),
+ PLL_36XX_RATE(196608001U, 197, 3, 3, -25690),
+ PLL_36XX_RATE(180633609U, 301, 5, 3, 3671),
+ PLL_36XX_RATE(131072006U, 131, 3, 3, 4719),
PLL_36XX_RATE(100000000U, 200, 3, 4, 0),
- PLL_36XX_RATE(65536000U, 131, 3, 4, 4719),
- PLL_36XX_RATE(49152000U, 197, 3, 5, 25690),
- PLL_36XX_RATE(32768000U, 131, 3, 5, 4719),
+ PLL_36XX_RATE( 65536003U, 131, 3, 4, 4719),
+ PLL_36XX_RATE( 49152000U, 197, 3, 5, -25690),
+ PLL_36XX_RATE( 32768001U, 131, 3, 5, 4719),
};
static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = {
@@ -1440,6 +1445,8 @@ static void __init exynos5x_clk_init(struct device_node *np,
ARRAY_SIZE(exynos5420_mux_clks));
samsung_clk_register_div(ctx, exynos5420_div_clks,
ARRAY_SIZE(exynos5420_div_clks));
+ samsung_clk_register_gate(ctx, exynos5420_gate_clks,
+ ARRAY_SIZE(exynos5420_gate_clks));
} else {
samsung_clk_register_fixed_factor(
ctx, exynos5800_fixed_factor_clks,
diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c
index 5372bf8be5e6..ab9e850b3707 100644
--- a/drivers/clk/sunxi-ng/ccu-sun5i.c
+++ b/drivers/clk/sunxi-ng/ccu-sun5i.c
@@ -184,7 +184,7 @@ static struct ccu_mux cpu_clk = {
.hw.init = CLK_HW_INIT_PARENTS("cpu",
cpu_parents,
&ccu_mux_ops,
- CLK_IS_CRITICAL),
+ CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
}
};
@@ -976,8 +976,7 @@ static void __init sun5i_ccu_init(struct device_node *node,
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
index 4d6078fca9ac..8af434815fba 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
@@ -1217,8 +1217,7 @@ static void __init sun6i_a31_ccu_setup(struct device_node *node)
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
index 8a753ed0426d..d93b452f0df9 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
@@ -716,8 +716,7 @@ static void __init sun8i_a23_ccu_setup(struct device_node *node)
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
index 10b38dc46f75..13eb5b23c5e7 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
@@ -777,8 +777,7 @@ static void __init sun8i_a33_ccu_setup(struct device_node *node)
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index 4cdbc88f2783..1729ff6a5aae 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -1125,8 +1125,7 @@ static void __init sunxi_h3_h5_ccu_init(struct device_node *node,
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
index e54816ec1dbe..71feb7b24e8a 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
@@ -290,8 +290,7 @@ static void __init sunxi_r_ccu_init(struct device_node *node,
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index a34a78d7fb28..621b1cd996db 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -575,8 +575,7 @@ static void __init sun8i_v3s_ccu_setup(struct device_node *node)
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n",
- of_node_full_name(node));
+ pr_err("%pOF: Could not map the clock registers\n", node);
return;
}
diff --git a/drivers/clk/sunxi/clk-sun8i-bus-gates.c b/drivers/clk/sunxi/clk-sun8i-bus-gates.c
index 63fdb790df29..bee305bdddbe 100644
--- a/drivers/clk/sunxi/clk-sun8i-bus-gates.c
+++ b/drivers/clk/sunxi/clk-sun8i-bus-gates.c
@@ -78,6 +78,10 @@ static void __init sun8i_h3_bus_gates_init(struct device_node *node)
clk_parent = APB1;
else if (index >= 96 && index <= 127)
clk_parent = APB2;
+ else {
+ WARN_ON(true);
+ continue;
+ }
clk_reg = reg + 4 * (index / 32);
clk_bit = index % 32;
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index f2c9274b8bd5..aa4add580516 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -666,15 +666,14 @@ static struct clk * __init sunxi_mux_clk_setup(struct device_node *node,
reg = of_iomap(node, 0);
if (!reg) {
- pr_err("Could not map registers for mux-clk: %s\n",
- of_node_full_name(node));
+ pr_err("Could not map registers for mux-clk: %pOF\n", node);
return NULL;
}
i = of_clk_parent_fill(node, parents, SUNXI_MAX_PARENTS);
if (of_property_read_string(node, "clock-output-names", &clk_name)) {
- pr_err("%s: could not read clock-output-names from \"%s\"\n",
- __func__, of_node_full_name(node));
+ pr_err("%s: could not read clock-output-names from \"%pOF\"\n",
+ __func__, node);
goto out_unmap;
}
@@ -797,16 +796,15 @@ static void __init sunxi_divider_clk_setup(struct device_node *node,
reg = of_iomap(node, 0);
if (!reg) {
- pr_err("Could not map registers for mux-clk: %s\n",
- of_node_full_name(node));
+ pr_err("Could not map registers for mux-clk: %pOF\n", node);
return;
}
clk_parent = of_clk_get_parent_name(node, 0);
if (of_property_read_string(node, "clock-output-names", &clk_name)) {
- pr_err("%s: could not read clock-output-names from \"%s\"\n",
- __func__, of_node_full_name(node));
+ pr_err("%s: could not read clock-output-names from \"%pOF\"\n",
+ __func__, node);
goto out_unmap;
}
@@ -1010,8 +1008,7 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node,
reg = of_iomap(node, 0);
if (!reg) {
- pr_err("Could not map registers for divs-clk: %s\n",
- of_node_full_name(node));
+ pr_err("Could not map registers for divs-clk: %pOF\n", node);
return NULL;
}
diff --git a/drivers/clk/tegra/clk-emc.c b/drivers/clk/tegra/clk-emc.c
index 74e7544f861b..11a5066e5c27 100644
--- a/drivers/clk/tegra/clk-emc.c
+++ b/drivers/clk/tegra/clk-emc.c
@@ -378,7 +378,7 @@ static int load_one_timing_from_dt(struct tegra_clk_emc *tegra,
err = of_property_read_u32(node, "clock-frequency", &tmp);
if (err) {
- pr_err("timing %s: failed to read rate\n", node->full_name);
+ pr_err("timing %pOF: failed to read rate\n", node);
return err;
}
@@ -386,8 +386,7 @@ static int load_one_timing_from_dt(struct tegra_clk_emc *tegra,
err = of_property_read_u32(node, "nvidia,parent-clock-frequency", &tmp);
if (err) {
- pr_err("timing %s: failed to read parent rate\n",
- node->full_name);
+ pr_err("timing %pOF: failed to read parent rate\n", node);
return err;
}
@@ -395,8 +394,7 @@ static int load_one_timing_from_dt(struct tegra_clk_emc *tegra,
timing->parent = of_clk_get_by_name(node, "emc-parent");
if (IS_ERR(timing->parent)) {
- pr_err("timing %s: failed to get parent clock\n",
- node->full_name);
+ pr_err("timing %pOF: failed to get parent clock\n", node);
return PTR_ERR(timing->parent);
}
@@ -409,8 +407,8 @@ static int load_one_timing_from_dt(struct tegra_clk_emc *tegra,
}
}
if (timing->parent_index == 0xff) {
- pr_err("timing %s: %s is not a valid parent\n",
- node->full_name, __clk_get_name(timing->parent));
+ pr_err("timing %pOF: %s is not a valid parent\n",
+ node, __clk_get_name(timing->parent));
clk_put(timing->parent);
return -EINVAL;
}
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 159a854779e6..7c369e21c91c 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -363,7 +363,7 @@ static void _clk_pll_enable(struct clk_hw *hw)
val = pll_readl(pll->params->iddq_reg, pll);
val &= ~BIT(pll->params->iddq_bit_idx);
pll_writel(val, pll->params->iddq_reg, pll);
- udelay(2);
+ udelay(5);
}
if (pll->params->reset_reg) {
@@ -418,6 +418,26 @@ static void _clk_pll_disable(struct clk_hw *hw)
}
}
+static void pll_clk_start_ss(struct tegra_clk_pll *pll)
+{
+ if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
+ u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
+
+ val |= pll->params->ssc_ctrl_en_mask;
+ pll_writel(val, pll->params->ssc_ctrl_reg, pll);
+ }
+}
+
+static void pll_clk_stop_ss(struct tegra_clk_pll *pll)
+{
+ if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
+ u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
+
+ val &= ~pll->params->ssc_ctrl_en_mask;
+ pll_writel(val, pll->params->ssc_ctrl_reg, pll);
+ }
+}
+
static int clk_pll_enable(struct clk_hw *hw)
{
struct tegra_clk_pll *pll = to_clk_pll(hw);
@@ -431,6 +451,8 @@ static int clk_pll_enable(struct clk_hw *hw)
ret = clk_pll_wait_for_lock(pll);
+ pll_clk_start_ss(pll);
+
if (pll->lock)
spin_unlock_irqrestore(pll->lock, flags);
@@ -445,6 +467,8 @@ static void clk_pll_disable(struct clk_hw *hw)
if (pll->lock)
spin_lock_irqsave(pll->lock, flags);
+ pll_clk_stop_ss(pll);
+
_clk_pll_disable(hw);
if (pll->lock)
@@ -666,6 +690,8 @@ static void _get_pll_mnp(struct tegra_clk_pll *pll,
struct tegra_clk_pll_params *params = pll->params;
struct div_nmp *div_nmp = params->div_nmp;
+ *cfg = (struct tegra_clk_pll_freq_table) { };
+
if ((params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
@@ -716,26 +742,6 @@ static void _update_pll_cpcon(struct tegra_clk_pll *pll,
pll_writel_misc(val, pll);
}
-static void pll_clk_start_ss(struct tegra_clk_pll *pll)
-{
- if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
- u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
-
- val |= pll->params->ssc_ctrl_en_mask;
- pll_writel(val, pll->params->ssc_ctrl_reg, pll);
- }
-}
-
-static void pll_clk_stop_ss(struct tegra_clk_pll *pll)
-{
- if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
- u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
-
- val &= ~pll->params->ssc_ctrl_en_mask;
- pll_writel(val, pll->params->ssc_ctrl_reg, pll);
- }
-}
-
static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
unsigned long rate)
{
@@ -2251,7 +2257,7 @@ tegra_clk_register_pllu_tegra114(const char *name, const char *parent_name,
}
#endif
-#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
+#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC) || defined(CONFIG_ARCH_TEGRA_210_SOC)
static const struct clk_ops tegra_clk_pllss_ops = {
.is_enabled = clk_pll_is_enabled,
.enable = clk_pll_enable,
@@ -2349,7 +2355,6 @@ struct clk *tegra_clk_register_pllre_tegra210(const char *name,
struct tegra_clk_pll_params *pll_params,
spinlock_t *lock, unsigned long parent_rate)
{
- u32 val;
struct tegra_clk_pll *pll;
struct clk *clk;
@@ -2363,26 +2368,8 @@ struct clk *tegra_clk_register_pllre_tegra210(const char *name,
if (IS_ERR(pll))
return ERR_CAST(pll);
- /* program minimum rate by default */
-
- val = pll_readl_base(pll);
- if (val & PLL_BASE_ENABLE)
- WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) &
- BIT(pll_params->iddq_bit_idx));
- else {
- val = 0x4 << divm_shift(pll);
- val |= 0x41 << divn_shift(pll);
- pll_writel_base(val, pll);
- }
-
- /* disable lock override */
-
- val = pll_readl_misc(pll);
- val &= ~BIT(29);
- pll_writel_misc(val, pll);
-
clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
- &tegra_clk_pllre_ops);
+ &tegra_clk_pll_ops);
if (IS_ERR(clk))
kfree(pll);
@@ -2604,46 +2591,6 @@ struct clk *tegra_clk_register_pllc_tegra210(const char *name,
return clk;
}
-struct clk *tegra_clk_register_pllxc_tegra210(const char *name,
- const char *parent_name, void __iomem *clk_base,
- void __iomem *pmc, unsigned long flags,
- struct tegra_clk_pll_params *pll_params,
- spinlock_t *lock)
-{
- struct tegra_clk_pll *pll;
- struct clk *clk, *parent;
- unsigned long parent_rate;
-
- parent = __clk_lookup(parent_name);
- if (!parent) {
- WARN(1, "parent clk %s of %s must be registered first\n",
- name, parent_name);
- return ERR_PTR(-EINVAL);
- }
-
- if (!pll_params->pdiv_tohw)
- return ERR_PTR(-EINVAL);
-
- parent_rate = clk_get_rate(parent);
-
- pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
-
- if (pll_params->adjust_vco)
- pll_params->vco_min = pll_params->adjust_vco(pll_params,
- parent_rate);
-
- pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
- if (IS_ERR(pll))
- return ERR_CAST(pll);
-
- clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
- &tegra_clk_pll_ops);
- if (IS_ERR(clk))
- kfree(pll);
-
- return clk;
-}
-
struct clk *tegra_clk_register_pllss_tegra210(const char *name,
const char *parent_name, void __iomem *clk_base,
unsigned long flags,
@@ -2652,10 +2599,8 @@ struct clk *tegra_clk_register_pllss_tegra210(const char *name,
{
struct tegra_clk_pll *pll;
struct clk *clk, *parent;
- struct tegra_clk_pll_freq_table cfg;
unsigned long parent_rate;
u32 val;
- int i;
if (!pll_params->div_nmp)
return ERR_PTR(-EINVAL);
@@ -2667,13 +2612,11 @@ struct clk *tegra_clk_register_pllss_tegra210(const char *name,
return ERR_PTR(-EINVAL);
}
- pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
- if (IS_ERR(pll))
- return ERR_CAST(pll);
-
- val = pll_readl_base(pll);
- val &= ~PLLSS_REF_SRC_SEL_MASK;
- pll_writel_base(val, pll);
+ val = readl_relaxed(clk_base + pll_params->base_reg);
+ if (val & PLLSS_REF_SRC_SEL_MASK) {
+ WARN(1, "not supported reference clock for %s\n", name);
+ return ERR_PTR(-EINVAL);
+ }
parent_rate = clk_get_rate(parent);
@@ -2683,36 +2626,10 @@ struct clk *tegra_clk_register_pllss_tegra210(const char *name,
pll_params->vco_min = pll_params->adjust_vco(pll_params,
parent_rate);
- /* initialize PLL to minimum rate */
-
- cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
- cfg.n = cfg.m * pll_params->vco_min / parent_rate;
-
- for (i = 0; pll_params->pdiv_tohw[i].pdiv; i++)
- ;
- if (!i) {
- kfree(pll);
- return ERR_PTR(-EINVAL);
- }
-
- cfg.p = pll_params->pdiv_tohw[i-1].hw_val;
-
- _update_pll_mnp(pll, &cfg);
-
- pll_writel_misc(PLLSS_MISC_DEFAULT, pll);
-
- val = pll_readl_base(pll);
- if (val & PLL_BASE_ENABLE) {
- if (val & BIT(pll_params->iddq_bit_idx)) {
- WARN(1, "%s is on but IDDQ set\n", name);
- kfree(pll);
- return ERR_PTR(-EINVAL);
- }
- } else
- val |= BIT(pll_params->iddq_bit_idx);
-
- val &= ~PLLSS_LOCK_OVERRIDE;
- pll_writel_base(val, pll);
+ pll_params->flags |= TEGRA_PLL_BYPASS;
+ pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
+ if (IS_ERR(pll))
+ return ERR_CAST(pll);
clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
&tegra_clk_pll_ops);
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index 294bfe40a4f5..848255cc0209 100644
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -216,7 +216,8 @@
_clk_num, _clk_id) \
TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\
30, MASK(2), 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP,\
- _clk_num, 0, _clk_id, _parents##_idx, 0, NULL)
+ _clk_num, TEGRA_PERIPH_ON_APB, _clk_id, \
+ _parents##_idx, 0, NULL)
#define XUSB(_name, _parents, _offset, \
_clk_num, _gate_flags, _clk_id) \
diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c
index 474de0f0c26d..4f6fd307cb70 100644
--- a/drivers/clk/tegra/clk-tegra-super-gen4.c
+++ b/drivers/clk/tegra/clk-tegra-super-gen4.c
@@ -232,8 +232,15 @@ static void __init tegra_super_clk_init(void __iomem *clk_base,
if (!dt_clk)
return;
- clk = tegra_clk_register_pllxc("pll_x", "pll_ref", clk_base,
- pmc_base, CLK_IGNORE_UNUSED, params, NULL);
+#if defined(CONFIG_ARCH_TEGRA_210_SOC)
+ if (gen_info->gen == gen5)
+ clk = tegra_clk_register_pllc_tegra210("pll_x", "pll_ref",
+ clk_base, pmc_base, CLK_IGNORE_UNUSED, params, NULL);
+ else
+#endif
+ clk = tegra_clk_register_pllxc("pll_x", "pll_ref", clk_base,
+ pmc_base, CLK_IGNORE_UNUSED, params, NULL);
+
*dt_clk = clk;
/* PLLX_OUT0 */
diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index 1024e853ea65..6d7a613f2656 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -146,7 +146,7 @@
#define PLLD_SDM_EN_MASK BIT(16)
#define PLLD2_SDM_EN_MASK BIT(31)
-#define PLLD2_SSC_EN_MASK BIT(30)
+#define PLLD2_SSC_EN_MASK 0
#define PLLDP_SS_CFG 0x598
#define PLLDP_SDM_EN_MASK BIT(31)
@@ -241,6 +241,9 @@
#define PLL_SDM_COEFF BIT(13)
#define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
#define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
+/* This macro returns ndiv effective scaled to SDM range */
+#define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
+ (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
/* Tegra CPU clock and reset control regs */
#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
@@ -715,8 +718,6 @@ static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
plldss->params->defaults_set = true;
if (val & PLL_ENABLE) {
- pr_warn("%s already enabled. Postponing set full defaults\n",
- pll_name);
/*
* PLL is ON: check if defaults already set, then set those
@@ -755,6 +756,10 @@ static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
(~PLLDSS_MISC1_CFG_EN_SDM));
}
+ if (!plldss->params->defaults_set)
+ pr_warn("%s already enabled. Postponing set full defaults\n",
+ pll_name);
+
/* Enable lock detect */
if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
@@ -1288,8 +1293,7 @@ static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
s -= PLL_SDM_COEFF / 2;
cfg->sdm_data = sdin_din_to_data(s);
}
- cfg->output_rate *= cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
- sdin_data_to_din(cfg->sdm_data);
+ cfg->output_rate *= sdin_get_n_eff(cfg);
cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
} else {
cfg->output_rate *= cfg->n;
@@ -1314,8 +1318,7 @@ static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
*/
static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
{
- cfg->n = cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
- sdin_data_to_din(cfg->sdm_data);
+ cfg->n = sdin_get_n_eff(cfg);
cfg->m *= PLL_SDM_COEFF;
}
@@ -2204,7 +2207,6 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
[tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
[tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
[tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
- [tegra_clk_vfir] = { .dt_id = TEGRA210_CLK_VFIR, .present = true },
[tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
[tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
[tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
@@ -2470,15 +2472,14 @@ static void tegra210_utmi_param_configure(void)
reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
-
reg |=
UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
/* Program UTMIP PLL delay and oscillator frequency counts */
reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
- reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
+ reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
reg |=
UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
@@ -2494,7 +2495,8 @@ static void tegra210_utmi_param_configure(void)
reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
- udelay(1);
+
+ udelay(20);
/* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
@@ -2552,6 +2554,7 @@ static int tegra210_enable_pllu(void)
reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
reg &= ~BIT(pllu.params->iddq_bit_idx);
writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
+ udelay(5);
reg = readl_relaxed(clk_base + PLLU_BASE);
reg &= ~GENMASK(20, 0);
@@ -2559,6 +2562,7 @@ static int tegra210_enable_pllu(void)
reg |= fentry->n << 8;
reg |= fentry->p << 16;
writel(reg, clk_base + PLLU_BASE);
+ udelay(1);
reg |= PLL_ENABLE;
writel(reg, clk_base + PLLU_BASE);
@@ -2699,7 +2703,7 @@ static void __init tegra210_pll_init(void __iomem *clk_base,
struct clk *clk;
/* PLLC */
- clk = tegra_clk_register_pllxc_tegra210("pll_c", "pll_ref", clk_base,
+ clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
pmc, 0, &pll_c_params, NULL);
if (!WARN_ON(IS_ERR(clk)))
clk_register_clkdev(clk, "pll_c", NULL);
@@ -2798,14 +2802,14 @@ static void __init tegra210_pll_init(void __iomem *clk_base,
/* PLLU_60M */
clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
- 23, 0, NULL);
+ 23, 0, &pll_u_lock);
clk_register_clkdev(clk, "pll_u_60M", NULL);
clks[TEGRA210_CLK_PLL_U_60M] = clk;
/* PLLU_48M */
clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
- 25, 0, NULL);
+ 25, 0, &pll_u_lock);
clk_register_clkdev(clk, "pll_u_48M", NULL);
clks[TEGRA210_CLK_PLL_U_48M] = clk;
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 945b07093afa..872f1189ad7f 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -362,12 +362,6 @@ struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
struct tegra_clk_pll_params *pll_params,
spinlock_t *lock);
-struct clk *tegra_clk_register_pllxc_tegra210(const char *name,
- const char *parent_name, void __iomem *clk_base,
- void __iomem *pmc, unsigned long flags,
- struct tegra_clk_pll_params *pll_params,
- spinlock_t *lock);
-
struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
unsigned long flags,
diff --git a/drivers/clk/ti/adpll.c b/drivers/clk/ti/adpll.c
index 255cafb18336..d5c6db446316 100644
--- a/drivers/clk/ti/adpll.c
+++ b/drivers/clk/ti/adpll.c
@@ -486,7 +486,7 @@ static u8 ti_adpll_get_parent(struct clk_hw *hw)
return 0;
}
-static struct clk_ops ti_adpll_ops = {
+static const struct clk_ops ti_adpll_ops = {
.prepare = ti_adpll_prepare,
.unprepare = ti_adpll_unprepare,
.is_prepared = ti_adpll_is_prepared,
diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c
index 06f486b3488c..83b148f8037c 100644
--- a/drivers/clk/ti/apll.c
+++ b/drivers/clk/ti/apll.c
@@ -304,7 +304,7 @@ static void omap2_apll_disable(struct clk_hw *hw)
ti_clk_ll_ops->clk_writel(v, &ad->control_reg);
}
-static struct clk_ops omap2_apll_ops = {
+static const struct clk_ops omap2_apll_ops = {
.enable = &omap2_apll_enable,
.disable = &omap2_apll_disable,
.is_enabled = &omap2_apll_is_enabled,
diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c
index fbedc6a9fed0..07a805125e98 100644
--- a/drivers/clk/ti/clockdomain.c
+++ b/drivers/clk/ti/clockdomain.c
@@ -138,8 +138,8 @@ static void __init of_ti_clockdomain_setup(struct device_node *node)
for (i = 0; i < num_clks; i++) {
clk = of_clk_get(node, i);
if (IS_ERR(clk)) {
- pr_err("%s: Failed get %s' clock nr %d (%ld)\n",
- __func__, node->full_name, i, PTR_ERR(clk));
+ pr_err("%s: Failed get %pOF' clock nr %d (%ld)\n",
+ __func__, node, i, PTR_ERR(clk));
continue;
}
clk_hw = __clk_get_hw(clk);
diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c
index 66a0d0ed8b55..071af44b1ba8 100644
--- a/drivers/clk/ti/fapll.c
+++ b/drivers/clk/ti/fapll.c
@@ -268,7 +268,7 @@ static int ti_fapll_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
-static struct clk_ops ti_fapll_ops = {
+static const struct clk_ops ti_fapll_ops = {
.enable = ti_fapll_enable,
.disable = ti_fapll_disable,
.is_enabled = ti_fapll_is_enabled,
@@ -478,7 +478,7 @@ static int ti_fapll_synth_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
-static struct clk_ops ti_fapll_synt_ops = {
+static const struct clk_ops ti_fapll_synt_ops = {
.enable = ti_fapll_synth_enable,
.disable = ti_fapll_synth_disable,
.is_enabled = ti_fapll_synth_is_enabled,
diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c
index 2cf386347f0c..cb6ae261bb36 100644
--- a/drivers/clk/uniphier/clk-uniphier-core.c
+++ b/drivers/clk/uniphier/clk-uniphier-core.c
@@ -111,10 +111,6 @@ static int uniphier_clk_remove(struct platform_device *pdev)
static const struct of_device_id uniphier_clk_match[] = {
/* System clock */
{
- .compatible = "socionext,uniphier-sld3-clock",
- .data = uniphier_sld3_sys_clk_data,
- },
- {
.compatible = "socionext,uniphier-ld4-clock",
.data = uniphier_ld4_sys_clk_data,
},
@@ -144,20 +140,16 @@ static const struct of_device_id uniphier_clk_match[] = {
},
/* Media I/O clock, SD clock */
{
- .compatible = "socionext,uniphier-sld3-mio-clock",
- .data = uniphier_sld3_mio_clk_data,
- },
- {
.compatible = "socionext,uniphier-ld4-mio-clock",
- .data = uniphier_sld3_mio_clk_data,
+ .data = uniphier_ld4_mio_clk_data,
},
{
.compatible = "socionext,uniphier-pro4-mio-clock",
- .data = uniphier_sld3_mio_clk_data,
+ .data = uniphier_ld4_mio_clk_data,
},
{
.compatible = "socionext,uniphier-sld8-mio-clock",
- .data = uniphier_sld3_mio_clk_data,
+ .data = uniphier_ld4_mio_clk_data,
},
{
.compatible = "socionext,uniphier-pro5-sd-clock",
@@ -169,7 +161,7 @@ static const struct of_device_id uniphier_clk_match[] = {
},
{
.compatible = "socionext,uniphier-ld11-mio-clock",
- .data = uniphier_sld3_mio_clk_data,
+ .data = uniphier_ld4_mio_clk_data,
},
{
.compatible = "socionext,uniphier-ld20-sd-clock",
diff --git a/drivers/clk/uniphier/clk-uniphier-mio.c b/drivers/clk/uniphier/clk-uniphier-mio.c
index 218d20f099ce..16e4d303f535 100644
--- a/drivers/clk/uniphier/clk-uniphier-mio.c
+++ b/drivers/clk/uniphier/clk-uniphier-mio.c
@@ -76,7 +76,7 @@
#define UNIPHIER_MIO_CLK_DMAC(idx) \
UNIPHIER_CLK_GATE("miodmac", (idx), "stdmac", 0x20, 25)
-const struct uniphier_clk_data uniphier_sld3_mio_clk_data[] = {
+const struct uniphier_clk_data uniphier_ld4_mio_clk_data[] = {
UNIPHIER_MIO_CLK_SD_FIXED,
UNIPHIER_MIO_CLK_SD(0, 0),
UNIPHIER_MIO_CLK_SD(1, 1),
@@ -85,11 +85,9 @@ const struct uniphier_clk_data uniphier_sld3_mio_clk_data[] = {
UNIPHIER_MIO_CLK_USB2(8, 0),
UNIPHIER_MIO_CLK_USB2(9, 1),
UNIPHIER_MIO_CLK_USB2(10, 2),
- UNIPHIER_MIO_CLK_USB2(11, 3),
UNIPHIER_MIO_CLK_USB2_PHY(12, 0),
UNIPHIER_MIO_CLK_USB2_PHY(13, 1),
UNIPHIER_MIO_CLK_USB2_PHY(14, 2),
- UNIPHIER_MIO_CLK_USB2_PHY(15, 3),
{ /* sentinel */ }
};
diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c
index ad0218182a9f..01da1414ec37 100644
--- a/drivers/clk/uniphier/clk-uniphier-sys.c
+++ b/drivers/clk/uniphier/clk-uniphier-sys.c
@@ -17,7 +17,7 @@
#include "clk-uniphier.h"
-#define UNIPHIER_SLD3_SYS_CLK_SD \
+#define UNIPHIER_LD4_SYS_CLK_SD \
UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 8), \
UNIPHIER_CLK_FACTOR("sd-133m", -1, "vpll27a", 1, 2)
@@ -30,7 +30,7 @@
UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)
/* Denali driver requires clk_x rate (clk: 50MHz, clk_x & ecc_clk: 200MHz) */
-#define UNIPHIER_SLD3_SYS_CLK_NAND(idx) \
+#define UNIPHIER_LD4_SYS_CLK_NAND(idx) \
UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 8), \
UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x2104, 2)
@@ -45,7 +45,7 @@
#define UNIPHIER_LD11_SYS_CLK_EMMC(idx) \
UNIPHIER_CLK_GATE("emmc", (idx), NULL, 0x210c, 2)
-#define UNIPHIER_SLD3_SYS_CLK_STDMAC(idx) \
+#define UNIPHIER_LD4_SYS_CLK_STDMAC(idx) \
UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x2104, 10)
#define UNIPHIER_LD11_SYS_CLK_STDMAC(idx) \
@@ -57,19 +57,11 @@
#define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch) \
UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch))
-const struct uniphier_clk_data uniphier_sld3_sys_clk_data[] = {
- UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1), /* 1597.44 MHz */
- UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512), /* 288 MHz */
- UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1), /* 589.824 MHz */
- UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512), /* 270 MHz */
- UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
- UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
- UNIPHIER_SLD3_SYS_CLK_NAND(2),
- UNIPHIER_SLD3_SYS_CLK_SD,
- UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
- UNIPHIER_SLD3_SYS_CLK_STDMAC(8),
- { /* sentinel */ }
-};
+#define UNIPHIER_PRO4_SYS_CLK_ETHER(idx) \
+ UNIPHIER_CLK_GATE("ether", (idx), NULL, 0x2104, 12)
+
+#define UNIPHIER_LD11_SYS_CLK_ETHER(idx) \
+ UNIPHIER_CLK_GATE("ether", (idx), NULL, 0x210c, 6)
const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1), /* 1597.44 MHz */
@@ -78,10 +70,10 @@ const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512), /* 270 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
- UNIPHIER_SLD3_SYS_CLK_NAND(2),
- UNIPHIER_SLD3_SYS_CLK_SD,
+ UNIPHIER_LD4_SYS_CLK_NAND(2),
+ UNIPHIER_LD4_SYS_CLK_SD,
UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
- UNIPHIER_SLD3_SYS_CLK_STDMAC(8), /* Ether, HSC, MIO */
+ UNIPHIER_LD4_SYS_CLK_STDMAC(8), /* Ether, HSC, MIO */
{ /* sentinel */ }
};
@@ -92,10 +84,11 @@ const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25), /* 270 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
- UNIPHIER_SLD3_SYS_CLK_NAND(2),
- UNIPHIER_SLD3_SYS_CLK_SD,
+ UNIPHIER_LD4_SYS_CLK_NAND(2),
+ UNIPHIER_LD4_SYS_CLK_SD,
UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
- UNIPHIER_SLD3_SYS_CLK_STDMAC(8), /* HSC, MIO, RLE */
+ UNIPHIER_PRO4_SYS_CLK_ETHER(6),
+ UNIPHIER_LD4_SYS_CLK_STDMAC(8), /* HSC, MIO, RLE */
UNIPHIER_PRO4_SYS_CLK_GIO(12), /* Ether, SATA, USB3 */
UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
@@ -108,10 +101,10 @@ const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25), /* 270 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
- UNIPHIER_SLD3_SYS_CLK_NAND(2),
- UNIPHIER_SLD3_SYS_CLK_SD,
+ UNIPHIER_LD4_SYS_CLK_NAND(2),
+ UNIPHIER_LD4_SYS_CLK_SD,
UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
- UNIPHIER_SLD3_SYS_CLK_STDMAC(8), /* Ether, HSC, MIO */
+ UNIPHIER_LD4_SYS_CLK_STDMAC(8), /* Ether, HSC, MIO */
{ /* sentinel */ }
};
@@ -123,7 +116,7 @@ const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
UNIPHIER_PRO5_SYS_CLK_NAND(2),
UNIPHIER_PRO5_SYS_CLK_SD,
- UNIPHIER_SLD3_SYS_CLK_STDMAC(8), /* HSC */
+ UNIPHIER_LD4_SYS_CLK_STDMAC(8), /* HSC */
UNIPHIER_PRO4_SYS_CLK_GIO(12), /* PCIe, USB3 */
UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
@@ -136,7 +129,8 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
UNIPHIER_PRO5_SYS_CLK_NAND(2),
UNIPHIER_PRO5_SYS_CLK_SD,
- UNIPHIER_SLD3_SYS_CLK_STDMAC(8), /* HSC, RLE */
+ UNIPHIER_PRO4_SYS_CLK_ETHER(6),
+ UNIPHIER_LD4_SYS_CLK_STDMAC(8), /* HSC, RLE */
/* GIO is always clock-enabled: no function for 0x2104 bit6 */
UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
@@ -156,6 +150,7 @@ const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
UNIPHIER_LD11_SYS_CLK_NAND(2),
UNIPHIER_LD11_SYS_CLK_EMMC(4),
/* Index 5 reserved for eMMC PHY */
+ UNIPHIER_LD11_SYS_CLK_ETHER(6),
UNIPHIER_LD11_SYS_CLK_STDMAC(8), /* HSC, MIO */
UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
/* CPU gears */
@@ -185,6 +180,7 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
UNIPHIER_LD11_SYS_CLK_EMMC(4),
/* Index 5 reserved for eMMC PHY */
UNIPHIER_LD20_SYS_CLK_SD,
+ UNIPHIER_LD11_SYS_CLK_ETHER(6),
UNIPHIER_LD11_SYS_CLK_STDMAC(8), /* HSC */
/* GIO is always clock-enabled: no function for 0x210c bit5 */
/*
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h
index 01c16ecec48f..827164093172 100644
--- a/drivers/clk/uniphier/clk-uniphier.h
+++ b/drivers/clk/uniphier/clk-uniphier.h
@@ -147,7 +147,6 @@ struct clk_hw *uniphier_clk_register_mux(struct device *dev,
const char *name,
const struct uniphier_clk_mux_data *data);
-extern const struct uniphier_clk_data uniphier_sld3_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_ld4_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_pro4_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_sld8_sys_clk_data[];
@@ -155,7 +154,7 @@ extern const struct uniphier_clk_data uniphier_pro5_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_ld11_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[];
-extern const struct uniphier_clk_data uniphier_sld3_mio_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld4_mio_clk_data[];
extern const struct uniphier_clk_data uniphier_pro5_sd_clk_data[];
extern const struct uniphier_clk_data uniphier_ld4_peri_clk_data[];
extern const struct uniphier_clk_data uniphier_pro4_peri_clk_data[];
diff --git a/drivers/clk/ux500/clk-prcc.c b/drivers/clk/ux500/clk-prcc.c
index 0e950769ed03..f50592775c9d 100644
--- a/drivers/clk/ux500/clk-prcc.c
+++ b/drivers/clk/ux500/clk-prcc.c
@@ -79,13 +79,13 @@ static int clk_prcc_is_enabled(struct clk_hw *hw)
return clk->is_enabled;
}
-static struct clk_ops clk_prcc_pclk_ops = {
+static const struct clk_ops clk_prcc_pclk_ops = {
.enable = clk_prcc_pclk_enable,
.disable = clk_prcc_pclk_disable,
.is_enabled = clk_prcc_is_enabled,
};
-static struct clk_ops clk_prcc_kclk_ops = {
+static const struct clk_ops clk_prcc_kclk_ops = {
.enable = clk_prcc_kclk_enable,
.disable = clk_prcc_kclk_disable,
.is_enabled = clk_prcc_is_enabled,
@@ -96,7 +96,7 @@ static struct clk *clk_reg_prcc(const char *name,
resource_size_t phy_base,
u32 cg_sel,
unsigned long flags,
- struct clk_ops *clk_prcc_ops)
+ const struct clk_ops *clk_prcc_ops)
{
struct clk_prcc *clk;
struct clk_init_data clk_prcc_init;
diff --git a/drivers/clk/ux500/clk-prcmu.c b/drivers/clk/ux500/clk-prcmu.c
index 7f343821f4e4..6e3e16b2e5ca 100644
--- a/drivers/clk/ux500/clk-prcmu.c
+++ b/drivers/clk/ux500/clk-prcmu.c
@@ -186,7 +186,7 @@ static void clk_prcmu_opp_volt_unprepare(struct clk_hw *hw)
clk->is_prepared = 0;
}
-static struct clk_ops clk_prcmu_scalable_ops = {
+static const struct clk_ops clk_prcmu_scalable_ops = {
.prepare = clk_prcmu_prepare,
.unprepare = clk_prcmu_unprepare,
.is_prepared = clk_prcmu_is_prepared,
@@ -198,7 +198,7 @@ static struct clk_ops clk_prcmu_scalable_ops = {
.set_rate = clk_prcmu_set_rate,
};
-static struct clk_ops clk_prcmu_gate_ops = {
+static const struct clk_ops clk_prcmu_gate_ops = {
.prepare = clk_prcmu_prepare,
.unprepare = clk_prcmu_unprepare,
.is_prepared = clk_prcmu_is_prepared,
@@ -208,19 +208,19 @@ static struct clk_ops clk_prcmu_gate_ops = {
.recalc_rate = clk_prcmu_recalc_rate,
};
-static struct clk_ops clk_prcmu_scalable_rate_ops = {
+static const struct clk_ops clk_prcmu_scalable_rate_ops = {
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
.round_rate = clk_prcmu_round_rate,
.set_rate = clk_prcmu_set_rate,
};
-static struct clk_ops clk_prcmu_rate_ops = {
+static const struct clk_ops clk_prcmu_rate_ops = {
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
};
-static struct clk_ops clk_prcmu_opp_gate_ops = {
+static const struct clk_ops clk_prcmu_opp_gate_ops = {
.prepare = clk_prcmu_opp_prepare,
.unprepare = clk_prcmu_opp_unprepare,
.is_prepared = clk_prcmu_is_prepared,
@@ -230,7 +230,7 @@ static struct clk_ops clk_prcmu_opp_gate_ops = {
.recalc_rate = clk_prcmu_recalc_rate,
};
-static struct clk_ops clk_prcmu_opp_volt_scalable_ops = {
+static const struct clk_ops clk_prcmu_opp_volt_scalable_ops = {
.prepare = clk_prcmu_opp_volt_prepare,
.unprepare = clk_prcmu_opp_volt_unprepare,
.is_prepared = clk_prcmu_is_prepared,
@@ -247,7 +247,7 @@ static struct clk *clk_reg_prcmu(const char *name,
u8 cg_sel,
unsigned long rate,
unsigned long flags,
- struct clk_ops *clk_prcmu_ops)
+ const struct clk_ops *clk_prcmu_ops)
{
struct clk_prcmu *clk;
struct clk_init_data clk_prcmu_init;
diff --git a/drivers/clk/ux500/clk-sysctrl.c b/drivers/clk/ux500/clk-sysctrl.c
index 266ddea630d2..8a4e93ce1e42 100644
--- a/drivers/clk/ux500/clk-sysctrl.c
+++ b/drivers/clk/ux500/clk-sysctrl.c
@@ -98,18 +98,18 @@ static u8 clk_sysctrl_get_parent(struct clk_hw *hw)
return clk->parent_index;
}
-static struct clk_ops clk_sysctrl_gate_ops = {
+static const struct clk_ops clk_sysctrl_gate_ops = {
.prepare = clk_sysctrl_prepare,
.unprepare = clk_sysctrl_unprepare,
};
-static struct clk_ops clk_sysctrl_gate_fixed_rate_ops = {
+static const struct clk_ops clk_sysctrl_gate_fixed_rate_ops = {
.prepare = clk_sysctrl_prepare,
.unprepare = clk_sysctrl_unprepare,
.recalc_rate = clk_sysctrl_recalc_rate,
};
-static struct clk_ops clk_sysctrl_set_parent_ops = {
+static const struct clk_ops clk_sysctrl_set_parent_ops = {
.set_parent = clk_sysctrl_set_parent,
.get_parent = clk_sysctrl_get_parent,
};
@@ -124,7 +124,7 @@ static struct clk *clk_reg_sysctrl(struct device *dev,
unsigned long rate,
unsigned long enable_delay_us,
unsigned long flags,
- struct clk_ops *clk_sysctrl_ops)
+ const struct clk_ops *clk_sysctrl_ops)
{
struct clk_sysctrl *clk;
struct clk_init_data clk_sysctrl_init;
diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c
index 7e5add7d7752..e7a868b83fe5 100644
--- a/drivers/clk/versatile/clk-vexpress-osc.c
+++ b/drivers/clk/versatile/clk-vexpress-osc.c
@@ -61,7 +61,7 @@ static int vexpress_osc_set_rate(struct clk_hw *hw, unsigned long rate,
return regmap_write(osc->reg, 0, rate);
}
-static struct clk_ops vexpress_osc_ops = {
+static const struct clk_ops vexpress_osc_ops = {
.recalc_rate = vexpress_osc_recalc_rate,
.round_rate = vexpress_osc_round_rate,
.set_rate = vexpress_osc_set_rate,
diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c
index f99abc1106f0..08ef69945ffb 100644
--- a/drivers/clk/x86/clk-pmc-atom.c
+++ b/drivers/clk/x86/clk-pmc-atom.c
@@ -186,6 +186,13 @@ static struct clk_plt *plt_clk_register(struct platform_device *pdev, int id,
pclk->reg = base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE;
spin_lock_init(&pclk->lock);
+ /*
+ * If the clock was already enabled by the firmware mark it as critical
+ * to avoid it being gated by the clock framework if no driver owns it.
+ */
+ if (plt_clk_is_enabled(&pclk->hw))
+ init.flags |= CLK_IS_CRITICAL;
+
ret = devm_clk_hw_register(&pdev->dev, &pclk->hw);
if (ret) {
pclk = ERR_PTR(ret);
diff --git a/drivers/clk/zte/clk-zx296718.c b/drivers/clk/zte/clk-zx296718.c
index 27f853d4c76b..354dd508c516 100644
--- a/drivers/clk/zte/clk-zx296718.c
+++ b/drivers/clk/zte/clk-zx296718.c
@@ -451,7 +451,7 @@ static struct zx_clk_fixed_factor top_ffactor_clk[] = {
FFACTOR(0, "emmc_mux_div2", "emmc_mux", 1, 2, CLK_SET_RATE_PARENT),
};
-static struct clk_div_table noc_div_table[] = {
+static const struct clk_div_table noc_div_table[] = {
{ .val = 1, .div = 2, },
{ .val = 3, .div = 4, },
};
@@ -644,7 +644,7 @@ static int __init top_clocks_init(struct device_node *np)
return 0;
}
-static struct clk_div_table common_even_div_table[] = {
+static const struct clk_div_table common_even_div_table[] = {
{ .val = 0, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 3, .div = 4, },
@@ -656,7 +656,7 @@ static struct clk_div_table common_even_div_table[] = {
{ .val = 15, .div = 16, },
};
-static struct clk_div_table common_div_table[] = {
+static const struct clk_div_table common_div_table[] = {
{ .val = 0, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 2, .div = 3, },