summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/clk/renesas/r8a779h0-cpg-mssr.c4
-rw-r--r--drivers/clk/renesas/r9a06g032-clocks.c29
-rw-r--r--drivers/clk/renesas/r9a08g045-cpg.c47
-rw-r--r--drivers/clk/renesas/r9a09g057-cpg.c176
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.c2
-rw-r--r--drivers/clk/renesas/rzv2h-cpg.c190
-rw-r--r--drivers/clk/renesas/rzv2h-cpg.h38
7 files changed, 415 insertions, 71 deletions
diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c
index 9067e407cbc6..607fa815b6c1 100644
--- a/drivers/clk/renesas/r8a779h0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c
@@ -177,6 +177,9 @@ static const struct mssr_mod_clk r8a779h0_mod_clks[] __initconst = {
DEF_MOD("canfd0", 328, R8A779H0_CLK_SASYNCPERD2),
DEF_MOD("csi40", 331, R8A779H0_CLK_CSI),
DEF_MOD("csi41", 400, R8A779H0_CLK_CSI),
+ DEF_MOD("dis0", 411, R8A779H0_CLK_VIOBUSD2),
+ DEF_MOD("dsitxlink0", 415, R8A779H0_CLK_VIOBUSD2),
+ DEF_MOD("fcpvd0", 508, R8A779H0_CLK_VIOBUSD2),
DEF_MOD("hscif0", 514, R8A779H0_CLK_SASYNCPERD1),
DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1),
DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1),
@@ -225,6 +228,7 @@ static const struct mssr_mod_clk r8a779h0_mod_clks[] __initconst = {
DEF_MOD("vin15", 811, R8A779H0_CLK_S0D4_VIO),
DEF_MOD("vin16", 812, R8A779H0_CLK_S0D4_VIO),
DEF_MOD("vin17", 813, R8A779H0_CLK_S0D4_VIO),
+ DEF_MOD("vspd0", 830, R8A779H0_CLK_VIOBUSD2),
DEF_MOD("wdt1:wdt0", 907, R8A779H0_CLK_R),
DEF_MOD("cmt0", 910, R8A779H0_CLK_R),
DEF_MOD("cmt1", 911, R8A779H0_CLK_R),
diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c
index c1348e2d450c..dcda19318b2a 100644
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@@ -20,15 +20,24 @@
#include <linux/platform_device.h>
#include <linux/pm_clock.h>
#include <linux/pm_domain.h>
+#include <linux/reboot.h>
#include <linux/slab.h>
#include <linux/soc/renesas/r9a06g032-sysctrl.h>
#include <linux/spinlock.h>
#include <dt-bindings/clock/r9a06g032-sysctrl.h>
#define R9A06G032_SYSCTRL_USB 0x00
-#define R9A06G032_SYSCTRL_USB_H2MODE (1<<1)
+#define R9A06G032_SYSCTRL_USB_H2MODE BIT(1)
#define R9A06G032_SYSCTRL_DMAMUX 0xA0
+#define R9A06G032_SYSCTRL_RSTEN 0x120
+#define R9A06G032_SYSCTRL_RSTEN_MRESET_EN BIT(0)
+#define R9A06G032_SYSCTRL_RSTCTRL 0x198
+/* These work for both reset registers */
+#define R9A06G032_SYSCTRL_SWRST BIT(6)
+#define R9A06G032_SYSCTRL_WDA7RST_1 BIT(2)
+#define R9A06G032_SYSCTRL_WDA7RST_0 BIT(1)
+
/**
* struct regbit - describe one bit in a register
* @reg: offset of register relative to base address,
@@ -1270,6 +1279,12 @@ static void r9a06g032_clocks_del_clk_provider(void *data)
of_clk_del_provider(data);
}
+static int r9a06g032_restart_handler(struct sys_off_data *data)
+{
+ writel(R9A06G032_SYSCTRL_SWRST, sysctrl_priv->reg + R9A06G032_SYSCTRL_RSTCTRL);
+ return NOTIFY_DONE;
+}
+
static void __init r9a06g032_init_h2mode(struct r9a06g032_priv *clocks)
{
struct device_node *usbf_np;
@@ -1324,6 +1339,18 @@ static int __init r9a06g032_clocks_probe(struct platform_device *pdev)
r9a06g032_init_h2mode(clocks);
+ /* Clear potentially pending resets */
+ writel(R9A06G032_SYSCTRL_WDA7RST_0 | R9A06G032_SYSCTRL_WDA7RST_1,
+ clocks->reg + R9A06G032_SYSCTRL_RSTCTRL);
+ /* Allow software reset */
+ writel(R9A06G032_SYSCTRL_SWRST | R9A06G032_SYSCTRL_RSTEN_MRESET_EN,
+ clocks->reg + R9A06G032_SYSCTRL_RSTEN);
+
+ error = devm_register_sys_off_handler(dev, SYS_OFF_MODE_RESTART, SYS_OFF_PRIO_HIGH,
+ r9a06g032_restart_handler, NULL);
+ if (error)
+ dev_warn(dev, "couldn't register restart handler (%d)\n", error);
+
for (i = 0; i < ARRAY_SIZE(r9a06g032_clocks); ++i) {
const struct r9a06g032_clkdesc *d = &r9a06g032_clocks[i];
const char *parent_name = d->source ?
diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c
index b2ae8cdc4723..0e7e3bf05b52 100644
--- a/drivers/clk/renesas/r9a08g045-cpg.c
+++ b/drivers/clk/renesas/r9a08g045-cpg.c
@@ -187,6 +187,7 @@ static const struct cpg_core_clk r9a08g045_core_clks[] __initconst = {
DEF_FIXED("OSC", R9A08G045_OSCCLK, CLK_EXTAL, 1, 1),
DEF_FIXED("OSC2", R9A08G045_OSCCLK2, CLK_EXTAL, 1, 3),
DEF_FIXED("HP", R9A08G045_CLK_HP, CLK_PLL6, 1, 2),
+ DEF_FIXED("TSU", R9A08G045_CLK_TSU, CLK_PLL2_DIV2, 1, 8),
};
static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
@@ -209,6 +210,14 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
DEF_MOD("sdhi2_imclk2", R9A08G045_SDHI2_IMCLK2, CLK_SD2_DIV4, 0x554, 9),
DEF_MOD("sdhi2_clk_hs", R9A08G045_SDHI2_CLK_HS, R9A08G045_CLK_SD2, 0x554, 10),
DEF_MOD("sdhi2_aclk", R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11),
+ DEF_MOD("ssi0_pclk2", R9A08G045_SSI0_PCLK2, R9A08G045_CLK_P0, 0x570, 0),
+ DEF_MOD("ssi0_sfr", R9A08G045_SSI0_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 1),
+ DEF_MOD("ssi1_pclk2", R9A08G045_SSI1_PCLK2, R9A08G045_CLK_P0, 0x570, 2),
+ DEF_MOD("ssi1_sfr", R9A08G045_SSI1_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 3),
+ DEF_MOD("ssi2_pclk2", R9A08G045_SSI2_PCLK2, R9A08G045_CLK_P0, 0x570, 4),
+ DEF_MOD("ssi2_sfr", R9A08G045_SSI2_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 5),
+ DEF_MOD("ssi3_pclk2", R9A08G045_SSI3_PCLK2, R9A08G045_CLK_P0, 0x570, 6),
+ DEF_MOD("ssi3_sfr", R9A08G045_SSI3_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 7),
DEF_MOD("usb0_host", R9A08G045_USB_U2H0_HCLK, R9A08G045_CLK_P1, 0x578, 0),
DEF_MOD("usb1_host", R9A08G045_USB_U2H1_HCLK, R9A08G045_CLK_P1, 0x578, 1),
DEF_MOD("usb0_func", R9A08G045_USB_U2P_EXR_CPUCLK, R9A08G045_CLK_P1, 0x578, 2),
@@ -224,7 +233,14 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
DEF_MOD("i2c2_pclk", R9A08G045_I2C2_PCLK, R9A08G045_CLK_P0, 0x580, 2),
DEF_MOD("i2c3_pclk", R9A08G045_I2C3_PCLK, R9A08G045_CLK_P0, 0x580, 3),
DEF_MOD("scif0_clk_pck", R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0),
+ DEF_MOD("scif1_clk_pck", R9A08G045_SCIF1_CLK_PCK, R9A08G045_CLK_P0, 0x584, 1),
+ DEF_MOD("scif2_clk_pck", R9A08G045_SCIF2_CLK_PCK, R9A08G045_CLK_P0, 0x584, 2),
+ DEF_MOD("scif3_clk_pck", R9A08G045_SCIF3_CLK_PCK, R9A08G045_CLK_P0, 0x584, 3),
+ DEF_MOD("scif4_clk_pck", R9A08G045_SCIF4_CLK_PCK, R9A08G045_CLK_P0, 0x584, 4),
+ DEF_MOD("scif5_clk_pck", R9A08G045_SCIF5_CLK_PCK, R9A08G045_CLK_P0, 0x584, 5),
DEF_MOD("gpio_hclk", R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0),
+ DEF_MOD("adc_adclk", R9A08G045_ADC_ADCLK, R9A08G045_CLK_TSU, 0x5a8, 0),
+ DEF_MOD("adc_pclk", R9A08G045_ADC_PCLK, R9A08G045_CLK_TSU, 0x5a8, 1),
DEF_MOD("vbat_bclk", R9A08G045_VBAT_BCLK, R9A08G045_OSCCLK, 0x614, 0),
};
@@ -238,6 +254,10 @@ static const struct rzg2l_reset r9a08g045_resets[] = {
DEF_RST(R9A08G045_SDHI0_IXRST, 0x854, 0),
DEF_RST(R9A08G045_SDHI1_IXRST, 0x854, 1),
DEF_RST(R9A08G045_SDHI2_IXRST, 0x854, 2),
+ DEF_RST(R9A08G045_SSI0_RST_M2_REG, 0x870, 0),
+ DEF_RST(R9A08G045_SSI1_RST_M2_REG, 0x870, 1),
+ DEF_RST(R9A08G045_SSI2_RST_M2_REG, 0x870, 2),
+ DEF_RST(R9A08G045_SSI3_RST_M2_REG, 0x870, 3),
DEF_RST(R9A08G045_USB_U2H0_HRESETN, 0x878, 0),
DEF_RST(R9A08G045_USB_U2H1_HRESETN, 0x878, 1),
DEF_RST(R9A08G045_USB_U2P_EXL_SYSRST, 0x878, 2),
@@ -249,9 +269,16 @@ static const struct rzg2l_reset r9a08g045_resets[] = {
DEF_RST(R9A08G045_I2C2_MRST, 0x880, 2),
DEF_RST(R9A08G045_I2C3_MRST, 0x880, 3),
DEF_RST(R9A08G045_SCIF0_RST_SYSTEM_N, 0x884, 0),
+ DEF_RST(R9A08G045_SCIF1_RST_SYSTEM_N, 0x884, 1),
+ DEF_RST(R9A08G045_SCIF2_RST_SYSTEM_N, 0x884, 2),
+ DEF_RST(R9A08G045_SCIF3_RST_SYSTEM_N, 0x884, 3),
+ DEF_RST(R9A08G045_SCIF4_RST_SYSTEM_N, 0x884, 4),
+ DEF_RST(R9A08G045_SCIF5_RST_SYSTEM_N, 0x884, 5),
DEF_RST(R9A08G045_GPIO_RSTN, 0x898, 0),
DEF_RST(R9A08G045_GPIO_PORT_RESETN, 0x898, 1),
DEF_RST(R9A08G045_GPIO_SPARE_RESETN, 0x898, 2),
+ DEF_RST(R9A08G045_ADC_PRESETN, 0x8a8, 0),
+ DEF_RST(R9A08G045_ADC_ADRST_N, 0x8a8, 1),
DEF_RST(R9A08G045_VBAT_BRESETN, 0x914, 0),
};
@@ -286,6 +313,14 @@ static const struct rzg2l_cpg_pm_domain_init_data r9a08g045_pm_domains[] = {
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(1)), 0),
DEF_PD("sdhi2", R9A08G045_PD_SDHI2,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(11)), 0),
+ DEF_PD("ssi0", R9A08G045_PD_SSI0,
+ DEF_REG_CONF(CPG_BUS_MCPU1_MSTOP, BIT(10)), 0),
+ DEF_PD("ssi1", R9A08G045_PD_SSI1,
+ DEF_REG_CONF(CPG_BUS_MCPU1_MSTOP, BIT(11)), 0),
+ DEF_PD("ssi2", R9A08G045_PD_SSI2,
+ DEF_REG_CONF(CPG_BUS_MCPU1_MSTOP, BIT(12)), 0),
+ DEF_PD("ssi3", R9A08G045_PD_SSI3,
+ DEF_REG_CONF(CPG_BUS_MCPU1_MSTOP, BIT(13)), 0),
DEF_PD("usb0", R9A08G045_PD_USB0,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, GENMASK(6, 5)), 0),
DEF_PD("usb1", R9A08G045_PD_USB1,
@@ -306,6 +341,18 @@ static const struct rzg2l_cpg_pm_domain_init_data r9a08g045_pm_domains[] = {
DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(13)), 0),
DEF_PD("scif0", R9A08G045_PD_SCIF0,
DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(1)), 0),
+ DEF_PD("scif1", R9A08G045_PD_SCIF1,
+ DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(2)), 0),
+ DEF_PD("scif2", R9A08G045_PD_SCIF2,
+ DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(3)), 0),
+ DEF_PD("scif3", R9A08G045_PD_SCIF3,
+ DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(4)), 0),
+ DEF_PD("scif4", R9A08G045_PD_SCIF4,
+ DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(5)), 0),
+ DEF_PD("scif5", R9A08G045_PD_SCIF5,
+ DEF_REG_CONF(CPG_BUS_MCPU3_MSTOP, BIT(4)), 0),
+ DEF_PD("adc", R9A08G045_PD_ADC,
+ DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(14)), 0),
DEF_PD("vbat", R9A08G045_PD_VBAT,
DEF_REG_CONF(CPG_BUS_MCPU3_MSTOP, BIT(8)),
GENPD_FLAG_ALWAYS_ON),
diff --git a/drivers/clk/renesas/r9a09g057-cpg.c b/drivers/clk/renesas/r9a09g057-cpg.c
index 7c4507fd34e6..a45b4020996b 100644
--- a/drivers/clk/renesas/r9a09g057-cpg.c
+++ b/drivers/clk/renesas/r9a09g057-cpg.c
@@ -28,6 +28,7 @@ enum clk_ids {
CLK_PLLCLN,
CLK_PLLDTY,
CLK_PLLCA55,
+ CLK_PLLVDO,
/* Internal Core Clocks */
CLK_PLLCM33_DIV16,
@@ -35,7 +36,13 @@ enum clk_ids {
CLK_PLLCLN_DIV8,
CLK_PLLCLN_DIV16,
CLK_PLLDTY_ACPU,
+ CLK_PLLDTY_ACPU_DIV2,
CLK_PLLDTY_ACPU_DIV4,
+ CLK_PLLDTY_DIV16,
+ CLK_PLLVDO_CRU0,
+ CLK_PLLVDO_CRU1,
+ CLK_PLLVDO_CRU2,
+ CLK_PLLVDO_CRU3,
/* Module Clocks */
MOD_CLK_BASE,
@@ -49,6 +56,12 @@ static const struct clk_div_table dtable_1_8[] = {
{0, 0},
};
+static const struct clk_div_table dtable_2_4[] = {
+ {0, 2},
+ {1, 4},
+ {0, 0},
+};
+
static const struct clk_div_table dtable_2_64[] = {
{0, 2},
{1, 4},
@@ -69,6 +82,7 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3),
DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3),
DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLL_CONF(0x64)),
+ DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2),
/* Internal Core Clocks */
DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16),
@@ -78,7 +92,14 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16),
DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64),
+ DEF_FIXED(".plldty_acpu_div2", CLK_PLLDTY_ACPU_DIV2, CLK_PLLDTY_ACPU, 1, 2),
DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4),
+ DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16),
+
+ DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4),
+ DEF_DDIV(".pllvdo_cru1", CLK_PLLVDO_CRU1, CLK_PLLVDO, CDDIV4_DIVCTL0, dtable_2_4),
+ DEF_DDIV(".pllvdo_cru2", CLK_PLLVDO_CRU2, CLK_PLLVDO, CDDIV4_DIVCTL1, dtable_2_4),
+ DEF_DDIV(".pllvdo_cru3", CLK_PLLVDO_CRU3, CLK_PLLVDO, CDDIV4_DIVCTL2, dtable_2_4),
/* Core Clocks */
DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1),
@@ -94,45 +115,108 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
};
static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = {
- DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5),
- DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3),
- DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4),
- DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5),
- DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6),
- DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7),
- DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8),
- DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9),
- DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10),
- DEF_MOD("wdt_0_clkp", CLK_PLLCM33_DIV16, 4, 11, 2, 11),
- DEF_MOD("wdt_0_clk_loco", CLK_QEXTAL, 4, 12, 2, 12),
- DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13),
- DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14),
- DEF_MOD("wdt_2_clkp", CLK_PLLCLN_DIV16, 4, 15, 2, 15),
- DEF_MOD("wdt_2_clk_loco", CLK_QEXTAL, 5, 0, 2, 16),
- DEF_MOD("wdt_3_clkp", CLK_PLLCLN_DIV16, 5, 1, 2, 17),
- DEF_MOD("wdt_3_clk_loco", CLK_QEXTAL, 5, 2, 2, 18),
- DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15),
- DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19),
- DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20),
- DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21),
- DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22),
- DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23),
- DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24),
- DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25),
- DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26),
- DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27),
- DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3),
- DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4),
- DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5),
- DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6),
- DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7),
- DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8),
- DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9),
- DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10),
- DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11),
- DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12),
- DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13),
- DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14),
+ DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5,
+ BUS_MSTOP_NONE),
+ DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3,
+ BUS_MSTOP(5, BIT(10))),
+ DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4,
+ BUS_MSTOP(5, BIT(11))),
+ DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5,
+ BUS_MSTOP(2, BIT(13))),
+ DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6,
+ BUS_MSTOP(2, BIT(14))),
+ DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7,
+ BUS_MSTOP(11, BIT(13))),
+ DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8,
+ BUS_MSTOP(11, BIT(14))),
+ DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9,
+ BUS_MSTOP(11, BIT(15))),
+ DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10,
+ BUS_MSTOP(12, BIT(0))),
+ DEF_MOD("wdt_0_clkp", CLK_PLLCM33_DIV16, 4, 11, 2, 11,
+ BUS_MSTOP(3, BIT(10))),
+ DEF_MOD("wdt_0_clk_loco", CLK_QEXTAL, 4, 12, 2, 12,
+ BUS_MSTOP(3, BIT(10))),
+ DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13,
+ BUS_MSTOP(1, BIT(0))),
+ DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14,
+ BUS_MSTOP(1, BIT(0))),
+ DEF_MOD("wdt_2_clkp", CLK_PLLCLN_DIV16, 4, 15, 2, 15,
+ BUS_MSTOP(5, BIT(12))),
+ DEF_MOD("wdt_2_clk_loco", CLK_QEXTAL, 5, 0, 2, 16,
+ BUS_MSTOP(5, BIT(12))),
+ DEF_MOD("wdt_3_clkp", CLK_PLLCLN_DIV16, 5, 1, 2, 17,
+ BUS_MSTOP(5, BIT(13))),
+ DEF_MOD("wdt_3_clk_loco", CLK_QEXTAL, 5, 2, 2, 18,
+ BUS_MSTOP(5, BIT(13))),
+ DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15,
+ BUS_MSTOP(3, BIT(14))),
+ DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19,
+ BUS_MSTOP(3, BIT(13))),
+ DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20,
+ BUS_MSTOP(1, BIT(1))),
+ DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21,
+ BUS_MSTOP(1, BIT(2))),
+ DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22,
+ BUS_MSTOP(1, BIT(3))),
+ DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23,
+ BUS_MSTOP(1, BIT(4))),
+ DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24,
+ BUS_MSTOP(1, BIT(5))),
+ DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25,
+ BUS_MSTOP(1, BIT(6))),
+ DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26,
+ BUS_MSTOP(1, BIT(7))),
+ DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27,
+ BUS_MSTOP(1, BIT(8))),
+ DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3,
+ BUS_MSTOP(8, BIT(2))),
+ DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4,
+ BUS_MSTOP(8, BIT(2))),
+ DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5,
+ BUS_MSTOP(8, BIT(2))),
+ DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6,
+ BUS_MSTOP(8, BIT(2))),
+ DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7,
+ BUS_MSTOP(8, BIT(3))),
+ DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8,
+ BUS_MSTOP(8, BIT(3))),
+ DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9,
+ BUS_MSTOP(8, BIT(3))),
+ DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10,
+ BUS_MSTOP(8, BIT(3))),
+ DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11,
+ BUS_MSTOP(8, BIT(4))),
+ DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12,
+ BUS_MSTOP(8, BIT(4))),
+ DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13,
+ BUS_MSTOP(8, BIT(4))),
+ DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14,
+ BUS_MSTOP(8, BIT(4))),
+ DEF_MOD("cru_0_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18,
+ BUS_MSTOP(9, BIT(4))),
+ DEF_MOD_NO_PM("cru_0_vclk", CLK_PLLVDO_CRU0, 13, 3, 6, 19,
+ BUS_MSTOP(9, BIT(4))),
+ DEF_MOD("cru_0_pclk", CLK_PLLDTY_DIV16, 13, 4, 6, 20,
+ BUS_MSTOP(9, BIT(4))),
+ DEF_MOD("cru_1_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 5, 6, 21,
+ BUS_MSTOP(9, BIT(5))),
+ DEF_MOD_NO_PM("cru_1_vclk", CLK_PLLVDO_CRU1, 13, 6, 6, 22,
+ BUS_MSTOP(9, BIT(5))),
+ DEF_MOD("cru_1_pclk", CLK_PLLDTY_DIV16, 13, 7, 6, 23,
+ BUS_MSTOP(9, BIT(5))),
+ DEF_MOD("cru_2_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 8, 6, 24,
+ BUS_MSTOP(9, BIT(6))),
+ DEF_MOD_NO_PM("cru_2_vclk", CLK_PLLVDO_CRU2, 13, 9, 6, 25,
+ BUS_MSTOP(9, BIT(6))),
+ DEF_MOD("cru_2_pclk", CLK_PLLDTY_DIV16, 13, 10, 6, 26,
+ BUS_MSTOP(9, BIT(6))),
+ DEF_MOD("cru_3_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 11, 6, 27,
+ BUS_MSTOP(9, BIT(7))),
+ DEF_MOD_NO_PM("cru_3_vclk", CLK_PLLVDO_CRU3, 13, 12, 6, 28,
+ BUS_MSTOP(9, BIT(7))),
+ DEF_MOD("cru_3_pclk", CLK_PLLDTY_DIV16, 13, 13, 6, 29,
+ BUS_MSTOP(9, BIT(7))),
};
static const struct rzv2h_reset r9a09g057_resets[] __initconst = {
@@ -162,6 +246,18 @@ static const struct rzv2h_reset r9a09g057_resets[] __initconst = {
DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */
DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */
DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */
+ DEF_RST(12, 5, 5, 22), /* CRU_0_PRESETN */
+ DEF_RST(12, 6, 5, 23), /* CRU_0_ARESETN */
+ DEF_RST(12, 7, 5, 24), /* CRU_0_S_RESETN */
+ DEF_RST(12, 8, 5, 25), /* CRU_1_PRESETN */
+ DEF_RST(12, 9, 5, 26), /* CRU_1_ARESETN */
+ DEF_RST(12, 10, 5, 27), /* CRU_1_S_RESETN */
+ DEF_RST(12, 11, 5, 28), /* CRU_2_PRESETN */
+ DEF_RST(12, 12, 5, 29), /* CRU_2_ARESETN */
+ DEF_RST(12, 13, 5, 30), /* CRU_2_S_RESETN */
+ DEF_RST(12, 14, 5, 31), /* CRU_3_PRESETN */
+ DEF_RST(12, 15, 6, 0), /* CRU_3_ARESETN */
+ DEF_RST(13, 0, 6, 1), /* CRU_3_S_RESETN */
};
const struct rzv2h_cpg_info r9a09g057_cpg_info __initconst = {
@@ -179,4 +275,6 @@ const struct rzv2h_cpg_info r9a09g057_cpg_info __initconst = {
/* Resets */
.resets = r9a09g057_resets,
.num_resets = ARRAY_SIZE(r9a09g057_resets),
+
+ .num_mstop_bits = 192,
};
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 79e7a90c3b1b..bf85501709f0 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -979,7 +979,7 @@ static void __init cpg_mssr_reserved_exit(struct cpg_mssr_priv *priv)
static int __init cpg_mssr_reserved_init(struct cpg_mssr_priv *priv,
const struct cpg_mssr_info *info)
{
- struct device_node *soc = of_find_node_by_path("/soc");
+ struct device_node *soc __free(device_node) = of_find_node_by_path("/soc");
struct device_node *node;
uint32_t args[MAX_PHANDLE_ARGS];
unsigned int *ids = NULL;
diff --git a/drivers/clk/renesas/rzv2h-cpg.c b/drivers/clk/renesas/rzv2h-cpg.c
index b524a9d33610..d4fd52b0a24e 100644
--- a/drivers/clk/renesas/rzv2h-cpg.c
+++ b/drivers/clk/renesas/rzv2h-cpg.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/pm_clock.h>
#include <linux/pm_domain.h>
+#include <linux/refcount.h>
#include <linux/reset-controller.h>
#include <dt-bindings/clock/renesas-cpg-mssr.h>
@@ -40,6 +41,9 @@
#define GET_RST_OFFSET(x) (0x900 + ((x) * 4))
#define GET_RST_MON_OFFSET(x) (0xA00 + ((x) * 4))
+#define CPG_BUS_1_MSTOP (0xd00)
+#define CPG_BUS_MSTOP(m) (CPG_BUS_1_MSTOP + ((m) - 1) * 4)
+
#define KDIV(val) ((s16)FIELD_GET(GENMASK(31, 16), (val)))
#define MDIV(val) FIELD_GET(GENMASK(15, 6), (val))
#define PDIV(val) FIELD_GET(GENMASK(5, 0), (val))
@@ -64,6 +68,7 @@
* @resets: Array of resets
* @num_resets: Number of Module Resets in info->resets[]
* @last_dt_core_clk: ID of the last Core Clock exported to DT
+ * @mstop_count: Array of mstop values
* @rcdev: Reset controller entity
*/
struct rzv2h_cpg_priv {
@@ -78,6 +83,8 @@ struct rzv2h_cpg_priv {
unsigned int num_resets;
unsigned int last_dt_core_clk;
+ atomic_t *mstop_count;
+
struct reset_controller_dev rcdev;
};
@@ -97,7 +104,9 @@ struct pll_clk {
* struct mod_clock - Module clock
*
* @priv: CPG private data
+ * @mstop_data: mstop data relating to module clock
* @hw: handle between common and hardware-specific interfaces
+ * @no_pm: flag to indicate PM is not supported
* @on_index: register offset
* @on_bit: ON/MON bit
* @mon_index: monitor register offset
@@ -105,7 +114,9 @@ struct pll_clk {
*/
struct mod_clock {
struct rzv2h_cpg_priv *priv;
+ unsigned int mstop_data;
struct clk_hw hw;
+ bool no_pm;
u8 on_index;
u8 on_bit;
s8 mon_index;
@@ -431,8 +442,71 @@ fail:
core->name, PTR_ERR(clk));
}
+static void rzv2h_mod_clock_mstop_enable(struct rzv2h_cpg_priv *priv,
+ u32 mstop_data)
+{
+ unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, mstop_data);
+ u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, mstop_data);
+ unsigned int index = (mstop_index - 1) * 16;
+ atomic_t *mstop = &priv->mstop_count[index];
+ unsigned long flags;
+ unsigned int i;
+ u32 val = 0;
+
+ spin_lock_irqsave(&priv->rmw_lock, flags);
+ for_each_set_bit(i, &mstop_mask, 16) {
+ if (!atomic_read(&mstop[i]))
+ val |= BIT(i) << 16;
+ atomic_inc(&mstop[i]);
+ }
+ if (val)
+ writel(val, priv->base + CPG_BUS_MSTOP(mstop_index));
+ spin_unlock_irqrestore(&priv->rmw_lock, flags);
+}
+
+static void rzv2h_mod_clock_mstop_disable(struct rzv2h_cpg_priv *priv,
+ u32 mstop_data)
+{
+ unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, mstop_data);
+ u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, mstop_data);
+ unsigned int index = (mstop_index - 1) * 16;
+ atomic_t *mstop = &priv->mstop_count[index];
+ unsigned long flags;
+ unsigned int i;
+ u32 val = 0;
+
+ spin_lock_irqsave(&priv->rmw_lock, flags);
+ for_each_set_bit(i, &mstop_mask, 16) {
+ if (!atomic_read(&mstop[i]) ||
+ atomic_dec_and_test(&mstop[i]))
+ val |= BIT(i) << 16 | BIT(i);
+ }
+ if (val)
+ writel(val, priv->base + CPG_BUS_MSTOP(mstop_index));
+ spin_unlock_irqrestore(&priv->rmw_lock, flags);
+}
+
+static int rzv2h_mod_clock_is_enabled(struct clk_hw *hw)
+{
+ struct mod_clock *clock = to_mod_clock(hw);
+ struct rzv2h_cpg_priv *priv = clock->priv;
+ u32 bitmask;
+ u32 offset;
+
+ if (clock->mon_index >= 0) {
+ offset = GET_CLK_MON_OFFSET(clock->mon_index);
+ bitmask = BIT(clock->mon_bit);
+ } else {
+ offset = GET_CLK_ON_OFFSET(clock->on_index);
+ bitmask = BIT(clock->on_bit);
+ }
+
+ return readl(priv->base + offset) & bitmask;
+}
+
static int rzv2h_mod_clock_endisable(struct clk_hw *hw, bool enable)
{
+ bool enabled = rzv2h_mod_clock_is_enabled(hw);
struct mod_clock *clock = to_mod_clock(hw);
unsigned int reg = GET_CLK_ON_OFFSET(clock->on_index);
struct rzv2h_cpg_priv *priv = clock->priv;
@@ -444,11 +518,20 @@ static int rzv2h_mod_clock_endisable(struct clk_hw *hw, bool enable)
dev_dbg(dev, "CLK_ON 0x%x/%pC %s\n", reg, hw->clk,
enable ? "ON" : "OFF");
+ if (enabled == enable)
+ return 0;
+
value = bitmask << 16;
- if (enable)
+ if (enable) {
value |= bitmask;
-
- writel(value, priv->base + reg);
+ writel(value, priv->base + reg);
+ if (clock->mstop_data != BUS_MSTOP_NONE)
+ rzv2h_mod_clock_mstop_enable(priv, clock->mstop_data);
+ } else {
+ if (clock->mstop_data != BUS_MSTOP_NONE)
+ rzv2h_mod_clock_mstop_disable(priv, clock->mstop_data);
+ writel(value, priv->base + reg);
+ }
if (!enable || clock->mon_index < 0)
return 0;
@@ -474,24 +557,6 @@ static void rzv2h_mod_clock_disable(struct clk_hw *hw)
rzv2h_mod_clock_endisable(hw, false);
}
-static int rzv2h_mod_clock_is_enabled(struct clk_hw *hw)
-{
- struct mod_clock *clock = to_mod_clock(hw);
- struct rzv2h_cpg_priv *priv = clock->priv;
- u32 bitmask;
- u32 offset;
-
- if (clock->mon_index >= 0) {
- offset = GET_CLK_MON_OFFSET(clock->mon_index);
- bitmask = BIT(clock->mon_bit);
- } else {
- offset = GET_CLK_ON_OFFSET(clock->on_index);
- bitmask = BIT(clock->on_bit);
- }
-
- return readl(priv->base + offset) & bitmask;
-}
-
static const struct clk_ops rzv2h_mod_clock_ops = {
.enable = rzv2h_mod_clock_enable,
.disable = rzv2h_mod_clock_disable,
@@ -541,8 +606,10 @@ rzv2h_cpg_register_mod_clk(const struct rzv2h_mod_clk *mod,
clock->on_bit = mod->on_bit;
clock->mon_index = mod->mon_index;
clock->mon_bit = mod->mon_bit;
+ clock->no_pm = mod->no_pm;
clock->priv = priv;
clock->hw.init = &init;
+ clock->mstop_data = mod->mstop_data;
ret = devm_clk_hw_register(dev, &clock->hw);
if (ret) {
@@ -552,6 +619,41 @@ rzv2h_cpg_register_mod_clk(const struct rzv2h_mod_clk *mod,
priv->clks[id] = clock->hw.clk;
+ /*
+ * Ensure the module clocks and MSTOP bits are synchronized when they are
+ * turned ON by the bootloader. Enable MSTOP bits for module clocks that were
+ * turned ON in an earlier boot stage.
+ */
+ if (clock->mstop_data != BUS_MSTOP_NONE &&
+ !mod->critical && rzv2h_mod_clock_is_enabled(&clock->hw)) {
+ rzv2h_mod_clock_mstop_enable(priv, clock->mstop_data);
+ } else if (clock->mstop_data != BUS_MSTOP_NONE && mod->critical) {
+ unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, clock->mstop_data);
+ u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, clock->mstop_data);
+ unsigned int index = (mstop_index - 1) * 16;
+ atomic_t *mstop = &priv->mstop_count[index];
+ unsigned long flags;
+ unsigned int i;
+ u32 val = 0;
+
+ /*
+ * Critical clocks are turned ON immediately upon registration, and the
+ * MSTOP counter is updated through the rzv2h_mod_clock_enable() path.
+ * However, if the critical clocks were already turned ON by the initial
+ * bootloader, synchronize the atomic counter here and clear the MSTOP bit.
+ */
+ spin_lock_irqsave(&priv->rmw_lock, flags);
+ for_each_set_bit(i, &mstop_mask, 16) {
+ if (atomic_read(&mstop[i]))
+ continue;
+ val |= BIT(i) << 16;
+ atomic_inc(&mstop[i]);
+ }
+ if (val)
+ writel(val, priv->base + CPG_BUS_MSTOP(mstop_index));
+ spin_unlock_irqrestore(&priv->rmw_lock, flags);
+ }
+
return;
fail:
@@ -668,17 +770,51 @@ struct rzv2h_cpg_pd {
struct generic_pm_domain genpd;
};
+static bool rzv2h_cpg_is_pm_clk(struct rzv2h_cpg_pd *pd,
+ const struct of_phandle_args *clkspec)
+{
+ if (clkspec->np != pd->genpd.dev.of_node || clkspec->args_count != 2)
+ return false;
+
+ switch (clkspec->args[0]) {
+ case CPG_MOD: {
+ struct rzv2h_cpg_priv *priv = pd->priv;
+ unsigned int id = clkspec->args[1];
+ struct mod_clock *clock;
+
+ if (id >= priv->num_mod_clks)
+ return false;
+
+ if (priv->clks[priv->num_core_clks + id] == ERR_PTR(-ENOENT))
+ return false;
+
+ clock = to_mod_clock(__clk_get_hw(priv->clks[priv->num_core_clks + id]));
+
+ return !clock->no_pm;
+ }
+
+ case CPG_CORE:
+ default:
+ return false;
+ }
+}
+
static int rzv2h_cpg_attach_dev(struct generic_pm_domain *domain, struct device *dev)
{
+ struct rzv2h_cpg_pd *pd = container_of(domain, struct rzv2h_cpg_pd, genpd);
struct device_node *np = dev->of_node;
struct of_phandle_args clkspec;
bool once = true;
struct clk *clk;
+ unsigned int i;
int error;
- int i = 0;
- while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i,
- &clkspec)) {
+ for (i = 0; !of_parse_phandle_with_args(np, "clocks", "#clock-cells", i, &clkspec); i++) {
+ if (!rzv2h_cpg_is_pm_clk(pd, &clkspec)) {
+ of_node_put(clkspec.np);
+ continue;
+ }
+
if (once) {
once = false;
error = pm_clk_create(dev);
@@ -700,7 +836,6 @@ static int rzv2h_cpg_attach_dev(struct generic_pm_domain *domain, struct device
error);
goto fail_put;
}
- i++;
}
return 0;
@@ -786,6 +921,11 @@ static int __init rzv2h_cpg_probe(struct platform_device *pdev)
if (!clks)
return -ENOMEM;
+ priv->mstop_count = devm_kcalloc(dev, info->num_mstop_bits,
+ sizeof(*priv->mstop_count), GFP_KERNEL);
+ if (!priv->mstop_count)
+ return -ENOMEM;
+
priv->resets = devm_kmemdup(dev, info->resets, sizeof(*info->resets) *
info->num_resets, GFP_KERNEL);
if (!priv->resets)
diff --git a/drivers/clk/renesas/rzv2h-cpg.h b/drivers/clk/renesas/rzv2h-cpg.h
index 819029c81904..dcd65e9c09da 100644
--- a/drivers/clk/renesas/rzv2h-cpg.h
+++ b/drivers/clk/renesas/rzv2h-cpg.h
@@ -8,6 +8,8 @@
#ifndef __RENESAS_RZV2H_CPG_H__
#define __RENESAS_RZV2H_CPG_H__
+#include <linux/bitfield.h>
+
/**
* struct ddiv - Structure for dynamic switching divider
*
@@ -33,12 +35,24 @@ struct ddiv {
#define CPG_CDDIV0 (0x400)
#define CPG_CDDIV1 (0x404)
+#define CPG_CDDIV3 (0x40C)
+#define CPG_CDDIV4 (0x410)
#define CDDIV0_DIVCTL2 DDIV_PACK(CPG_CDDIV0, 8, 3, 2)
#define CDDIV1_DIVCTL0 DDIV_PACK(CPG_CDDIV1, 0, 2, 4)
#define CDDIV1_DIVCTL1 DDIV_PACK(CPG_CDDIV1, 4, 2, 5)
#define CDDIV1_DIVCTL2 DDIV_PACK(CPG_CDDIV1, 8, 2, 6)
#define CDDIV1_DIVCTL3 DDIV_PACK(CPG_CDDIV1, 12, 2, 7)
+#define CDDIV3_DIVCTL3 DDIV_PACK(CPG_CDDIV3, 12, 1, 15)
+#define CDDIV4_DIVCTL0 DDIV_PACK(CPG_CDDIV4, 0, 1, 16)
+#define CDDIV4_DIVCTL1 DDIV_PACK(CPG_CDDIV4, 4, 1, 17)
+#define CDDIV4_DIVCTL2 DDIV_PACK(CPG_CDDIV4, 8, 1, 18)
+
+#define BUS_MSTOP_IDX_MASK GENMASK(31, 16)
+#define BUS_MSTOP_BITS_MASK GENMASK(15, 0)
+#define BUS_MSTOP(idx, mask) (FIELD_PREP_CONST(BUS_MSTOP_IDX_MASK, (idx)) | \
+ FIELD_PREP_CONST(BUS_MSTOP_BITS_MASK, (mask)))
+#define BUS_MSTOP_NONE GENMASK(31, 0)
/**
* Definitions of CPG Core Clocks
@@ -98,8 +112,10 @@ enum clk_types {
* struct rzv2h_mod_clk - Module Clocks definitions
*
* @name: handle between common and hardware-specific interfaces
+ * @mstop_data: packed data mstop register offset and mask
* @parent: id of parent clock
* @critical: flag to indicate the clock is critical
+ * @no_pm: flag to indicate PM is not supported
* @on_index: control register index
* @on_bit: ON bit
* @mon_index: monitor register index
@@ -107,30 +123,37 @@ enum clk_types {
*/
struct rzv2h_mod_clk {
const char *name;
+ u32 mstop_data;
u16 parent;
bool critical;
+ bool no_pm;
u8 on_index;
u8 on_bit;
s8 mon_index;
u8 mon_bit;
};
-#define DEF_MOD_BASE(_name, _parent, _critical, _onindex, _onbit, _monindex, _monbit) \
+#define DEF_MOD_BASE(_name, _mstop, _parent, _critical, _no_pm, _onindex, _onbit, _monindex, _monbit) \
{ \
.name = (_name), \
+ .mstop_data = (_mstop), \
.parent = (_parent), \
.critical = (_critical), \
+ .no_pm = (_no_pm), \
.on_index = (_onindex), \
.on_bit = (_onbit), \
.mon_index = (_monindex), \
.mon_bit = (_monbit), \
}
-#define DEF_MOD(_name, _parent, _onindex, _onbit, _monindex, _monbit) \
- DEF_MOD_BASE(_name, _parent, false, _onindex, _onbit, _monindex, _monbit)
+#define DEF_MOD(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \
+ DEF_MOD_BASE(_name, _mstop, _parent, false, false, _onindex, _onbit, _monindex, _monbit)
+
+#define DEF_MOD_CRITICAL(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \
+ DEF_MOD_BASE(_name, _mstop, _parent, true, false, _onindex, _onbit, _monindex, _monbit)
-#define DEF_MOD_CRITICAL(_name, _parent, _onindex, _onbit, _monindex, _monbit) \
- DEF_MOD_BASE(_name, _parent, true, _onindex, _onbit, _monindex, _monbit)
+#define DEF_MOD_NO_PM(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \
+ DEF_MOD_BASE(_name, _mstop, _parent, false, true, _onindex, _onbit, _monindex, _monbit)
/**
* struct rzv2h_reset - Reset definitions
@@ -172,6 +195,9 @@ struct rzv2h_reset {
*
* @resets: Array of Module Reset definitions
* @num_resets: Number of entries in resets[]
+ *
+ * @num_mstop_bits: Maximum number of MSTOP bits supported, equivalent to the
+ * number of CPG_BUS_m_MSTOP registers multiplied by 16.
*/
struct rzv2h_cpg_info {
/* Core Clocks */
@@ -188,6 +214,8 @@ struct rzv2h_cpg_info {
/* Resets */
const struct rzv2h_reset *resets;
unsigned int num_resets;
+
+ unsigned int num_mstop_bits;
};
extern const struct rzv2h_cpg_info r9a09g057_cpg_info;