Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "I'm actually surprised this time. There aren't any new Qualcomm SoC
  clk drivers. And there's zero diff in the core clk framework.

  Instead we have new clk drivers for STM and Sophgo, with
  Samsung^WGoogle in third for the diffstat because they introduced HSI0
  and HSI2 clk drivers for Google's GS101 SoC (high speed interface
  things like PCIe, UFS, and MMC).

  Beyond those big diffs there's the usual updates to various clk
  drivers for incorrect parent descriptions or mising
  MODULE_DEVICE_TABLE()s, etc. Nothing in particular stands out as super
  interesting here.

  New Drivers:
   - STM32MP257 SoC clk driver
   - Airoha EN7581 SoC clk driver
   - Sophgo CV1800B, CV1812H and SG2000 SoC clk driver
   - Loongson-2k0500 and Loongson-2k2000 SoC clk driver
   - Add HSI0 and HSI2 clock controllers for Google GS101
   - Add i.MX95 BLK CTL clock driver

  Updates:
   - Allocate clk_ops dynamically for SCMI clk driver
   - Add support in qcom RCG and RCG2 for multiple configurations for
     the same frequency
   - Use above support for IPQ8074 NSS port 5 and 6 clocks to resolve
     issues
   - Fix the Qualcomm APSS IPQ5018 PLL to fix boot failures of some
     boards
   - Cleanups and fixes for Qualcomm Stromer PLLs
   - Reduce max CPU frequency on Qualcomm APSS IPQ5018
   - Fix Kconfig dependencies of Qualcomm SM8650 GPU and SC8280XP camera
     clk drivers
   - Make Qualcomm MSM8998 Venus clocks functional
   - Cleanup downstream remnants related to DisplayPort across Qualcomm
     SM8450, SM6350, SM8550, and SM8650
   - Reuse the Huayra APSS register map on Qualcomm MSM8996 CBF PLL
   - Use a specific Qualcomm QCS404 compatible for the otherwise generic
     HFPLL
   - Remove Qualcomm SM8150 CPUSS AHB clk as it is unused
   - Remove an unused field in the Qualcomm RPM clk driver
   - Add missing MODULE_DEVICE_TABLE to Qualcomm MSM8917 and MSM8953
     global clock controller drivers
   - Allow choice of manual or firmware-driven control over PLLs, needed
     to fully implement CPU clock controllers on Exynos850
   - Correct PLL clock IDs on ExynosAutov9
   - Propagate certain clock rates to allow setting proper SPI clock
     rates on Google GS101
   - Mark certain Google GS101 clocks critical
   - Convert old S3C64xx clock controller bindings to DT schema
   - Add new PLL rate and missing mux on Rockchip rk3568
   - Add missing reset line on Rockchip rk3588
   - Removal of an unused field in struct rockchip_mmc_clock
   - Amlogic s4/a1: add regmap maximum register for proper debugfs dump
   - Amlogic s4: add MODULE_DEVICE_TABLE() on pll and periph controllers
   - Amlogic pll driver: print clock name on lock error to help debug
   - Amlogic vclk: finish dsi clock path support
   - Amlogic license: fix occurence "GPL v2" as reported by checkpatch
   - Add PM runtime support to i.MX8MP Audiomix
   - Add DT schema for i.MX95 Display Master Block Control
   - Convert to platform remove callback returning void for i.MX8MP
     Audiomix
   - Add SPI (MSIOF) and external interrupt (INTC-EX) clocks on Renesas
     R-Car V4M
   - Add interrupt controller (PLIC) clock and reset on Renesas RZ/Five
   - Prepare power domain support for Renesas RZ/G2L family members, and
     add actual support on Renesas RZ/G3S SoC
   - Add thermal, serial (SCIF), and timer (CMT/TMU) clocks on Renesas
     R-Car V4M
   - Add additional constraints to Allwinner A64 PLL MIPI clock
   - Fix autoloading sunxi-ng clocks when build as a module"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (118 commits)
  clk: samsung: Don't register clkdev lookup for the fixed rate clocks
  clk, reset: microchip: mpfs: fix incorrect preprocessor conditions
  clk: qcom: clk-alpha-pll: fix rate setting for Stromer PLLs
  clk: qcom: apss-ipq-pll: fix PLL rate for IPQ5018
  clk: qcom: Fix SM_GPUCC_8650 dependencies
  clk: qcom: Fix SC_CAMCC_8280XP dependencies
  dt-bindings: clocks: stm32mp25: add access-controllers description
  clock, reset: microchip: move all mpfs reset code to the reset subsystem
  clk: samsung: gs101: drop unused HSI2 clock parent data
  clk: rockchip: rk3568: Add PLL rate for 724 MHz
  clk: rockchip: Remove an unused field in struct rockchip_mmc_clock
  dt-bindings: clock: fixed: Define a preferred node name
  clk: meson: s4: fix module autoloading
  clk: samsung: gs101: mark some apm UASC and XIU clocks critical
  clk: imx: imx8mp: Convert to platform remove callback returning void
  clk: imx: imx8mp: Switch to RUNTIME_PM_OPS()
  clk: bcm: rpi: Assign ->num before accessing ->hws
  clk: bcm: dvp: Assign ->num before accessing ->hws
  clk: samsung: gs101: add support for cmu_hsi2
  clk: samsung: gs101: add support for cmu_hsi0
  ...

25 files changed, 53 insertions, 5 deletions

diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c
index 9d3ffd3fb2c1..0736f6c81269 100644
--- a/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c
@@ -125,6 +125,7 @@ static const struct of_device_id sun20i_d1_r_ccu_ids[] = {
 	{ .compatible = "allwinner,sun20i-d1-r-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun20i_d1_r_ccu_ids);
 
 static struct platform_driver sun20i_d1_r_ccu_driver = {
 	.probe	= sun20i_d1_r_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
index 48a8fb2c43b7..60756aadfad6 100644
--- a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
+++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
@@ -1394,6 +1394,7 @@ static const struct of_device_id sun20i_d1_ccu_ids[] = {
 	{ .compatible = "allwinner,sun20i-d1-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun20i_d1_ccu_ids);
 
 static struct platform_driver sun20i_d1_ccu_driver = {
 	.probe	= sun20i_d1_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
index 451ebb7c99a3..14f5c3da652b 100644
--- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
+++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
@@ -1481,6 +1481,7 @@ static const struct of_device_id sun4i_a10_ccu_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun4i_a10_ccu_ids);
 
 static struct platform_driver sun4i_a10_ccu_driver = {
 	.probe	= sun4i_a10_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
index fddd6c877cec..3b983bb59bd9 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
@@ -202,6 +202,7 @@ static const struct of_device_id sun50i_a100_r_ccu_ids[] = {
 	{ .compatible = "allwinner,sun50i-a100-r-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun50i_a100_r_ccu_ids);
 
 static struct platform_driver sun50i_a100_r_ccu_driver = {
 	.probe	= sun50i_a100_r_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
index 5f93b5526e13..38aa6e5f298e 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c
@@ -1264,6 +1264,7 @@ static const struct of_device_id sun50i_a100_ccu_ids[] = {
 	{ .compatible = "allwinner,sun50i-a100-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun50i_a100_ccu_ids);
 
 static struct platform_driver sun50i_a100_ccu_driver = {
 	.probe	= sun50i_a100_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index 6a4b2b9ef30a..491b16cfe368 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -171,11 +171,13 @@ static struct ccu_nkm pll_mipi_clk = {
 	 * user manual, and by experiments the PLL doesn't work without
 	 * these bits toggled.
 	 */
-	.enable		= BIT(31) | BIT(23) | BIT(22),
-	.lock		= BIT(28),
-	.n		= _SUNXI_CCU_MULT(8, 4),
-	.k		= _SUNXI_CCU_MULT_MIN(4, 2, 2),
-	.m		= _SUNXI_CCU_DIV(0, 4),
+	.enable			= BIT(31) | BIT(23) | BIT(22),
+	.lock			= BIT(28),
+	.n			= _SUNXI_CCU_MULT(8, 4),
+	.k			= _SUNXI_CCU_MULT_MIN(4, 2, 2),
+	.m			= _SUNXI_CCU_DIV(0, 4),
+	.max_m_n_ratio		= 3,
+	.min_parent_m_ratio	= 24000000,
 	.common		= {
 		.reg		= 0x040,
 		.hw.init	= CLK_HW_INIT("pll-mipi", "pll-video0",
@@ -980,6 +982,7 @@ static const struct of_device_id sun50i_a64_ccu_ids[] = {
 	{ .compatible = "allwinner,sun50i-a64-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun50i_a64_ccu_ids);
 
 static struct platform_driver sun50i_a64_ccu_driver = {
 	.probe	= sun50i_a64_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
index 02b28cfc5525..e2dc29fa99e7 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
@@ -244,6 +244,7 @@ static const struct of_device_id sun50i_h6_r_ccu_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun50i_h6_r_ccu_ids);
 
 static struct platform_driver sun50i_h6_r_ccu_driver = {
 	.probe	= sun50i_h6_r_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
index 892df807275c..e6421c2ba122 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
@@ -1274,6 +1274,7 @@ static const struct of_device_id sun50i_h6_ccu_ids[] = {
 	{ .compatible = "allwinner,sun50i-h6-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun50i_h6_ccu_ids);
 
 static struct platform_driver sun50i_h6_ccu_driver = {
 	.probe	= sun50i_h6_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
index 21e918582aa5..45aae1ae5178 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
@@ -1154,6 +1154,7 @@ static const struct of_device_id sun50i_h616_ccu_ids[] = {
 	{ .compatible = "allwinner,sun50i-h616-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun50i_h616_ccu_ids);
 
 static struct platform_driver sun50i_h616_ccu_driver = {
 	.probe	= sun50i_h616_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
index 0762deffb33c..8cb8cbbdbafb 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
@@ -1271,6 +1271,7 @@ static const struct of_device_id sun6i_a31_ccu_ids[] = {
 	{ .compatible = "allwinner,sun6i-a31-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun6i_a31_ccu_ids);
 
 static struct platform_driver sun6i_a31_ccu_driver = {
 	.probe	= sun6i_a31_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c
index fdc8ccc586c9..5a98c4e9e667 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c
@@ -336,6 +336,7 @@ static const struct of_device_id sun6i_rtc_ccu_match[] = {
 	},
 	{},
 };
+MODULE_DEVICE_TABLE(of, sun6i_rtc_ccu_match);
 
 int sun6i_rtc_ccu_probe(struct device *dev, void __iomem *reg)
 {
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
index e80cc3864e44..e748ad612b8f 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
@@ -751,6 +751,7 @@ static const struct of_device_id sun8i_a23_ccu_ids[] = {
 	{ .compatible = "allwinner,sun8i-a23-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_a23_ccu_ids);
 
 static struct platform_driver sun8i_a23_ccu_driver = {
 	.probe	= sun8i_a23_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
index d12878a1ba9e..8a27a1777600 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
@@ -823,6 +823,7 @@ static const struct of_device_id sun8i_a33_ccu_ids[] = {
 	{ .compatible = "allwinner,sun8i-a33-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_a33_ccu_ids);
 
 static struct platform_driver sun8i_a33_ccu_driver = {
 	.probe	= sun8i_a33_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c
index 76cbd9e9e89f..93eca47935cf 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c
@@ -911,6 +911,7 @@ static const struct of_device_id sun8i_a83t_ccu_ids[] = {
 	{ .compatible = "allwinner,sun8i-a83t-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_a83t_ccu_ids);
 
 static struct platform_driver sun8i_a83t_ccu_driver = {
 	.probe	= sun8i_a83t_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
index 6a043a0a9dd6..b0b8dba239ae 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
@@ -337,6 +337,7 @@ static const struct of_device_id sunxi_de2_clk_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sunxi_de2_clk_ids);
 
 static struct platform_driver sunxi_de2_clk_driver = {
 	.probe	= sunxi_de2_clk_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index 74274c17efb3..ca5739fa04f7 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -1082,6 +1082,7 @@ static const struct of_device_id sun8i_h3_ccu_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_h3_ccu_ids);
 
 static struct platform_driver sun8i_h3_ccu_driver = {
 	.probe	= sun8i_h3_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
index 4890a976b1a0..bac7e737db98 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
@@ -262,6 +262,7 @@ static const struct of_device_id sun8i_r_ccu_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_r_ccu_ids);
 
 static struct platform_driver sun8i_r_ccu_driver = {
 	.probe	= sun8i_r_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
index 31eca0d3bc1e..3774b293e74c 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
@@ -1363,6 +1363,7 @@ static const struct of_device_id sun8i_r40_ccu_ids[] = {
 	{ .compatible = "allwinner,sun8i-r40-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_r40_ccu_ids);
 
 static struct platform_driver sun8i_r40_ccu_driver = {
 	.probe	= sun8i_r40_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index f3ce8664b288..994258a3ad2e 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -768,6 +768,7 @@ static const struct of_device_id sun8i_v3s_ccu_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun8i_v3s_ccu_ids);
 
 static struct platform_driver sun8i_v3s_ccu_driver = {
 	.probe	= sun8i_v3s_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
index 1d8b1ae1619d..ae7939d3f502 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
@@ -254,6 +254,7 @@ static const struct of_device_id sun9i_a80_de_clk_ids[] = {
 	{ .compatible = "allwinner,sun9i-a80-de-clks" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun9i_a80_de_clk_ids);
 
 static struct platform_driver sun9i_a80_de_clk_driver = {
 	.probe	= sun9i_a80_de_clk_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
index a0fb0da8f356..bfa2ff9d52a4 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
@@ -127,6 +127,7 @@ static const struct of_device_id sun9i_a80_usb_clk_ids[] = {
 	{ .compatible = "allwinner,sun9i-a80-usb-clks" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun9i_a80_usb_clk_ids);
 
 static struct platform_driver sun9i_a80_usb_clk_driver = {
 	.probe	= sun9i_a80_usb_clk_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c
index 730fd8e28014..c05805e4ad22 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c
@@ -1236,6 +1236,7 @@ static const struct of_device_id sun9i_a80_ccu_ids[] = {
 	{ .compatible = "allwinner,sun9i-a80-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sun9i_a80_ccu_ids);
 
 static struct platform_driver sun9i_a80_ccu_driver = {
 	.probe	= sun9i_a80_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c b/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
index 0d5b60b123b7..76d3d070b2a7 100644
--- a/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
+++ b/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
@@ -565,6 +565,7 @@ static const struct of_device_id suniv_f1c100s_ccu_ids[] = {
 	{ .compatible = "allwinner,suniv-f1c100s-ccu" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, suniv_f1c100s_ccu_ids);
 
 static struct platform_driver suniv_f1c100s_ccu_driver = {
 	.probe	= suniv_f1c100s_ccu_probe,
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
index 853f84398e2b..1168d894d636 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.c
+++ b/drivers/clk/sunxi-ng/ccu_nkm.c
@@ -16,6 +16,20 @@ struct _ccu_nkm {
 	unsigned long	m, min_m, max_m;
 };
 
+static bool ccu_nkm_is_valid_rate(struct ccu_common *common, unsigned long parent,
+				  unsigned long n, unsigned long m)
+{
+	struct ccu_nkm *nkm = container_of(common, struct ccu_nkm, common);
+
+	if (nkm->max_m_n_ratio && (m > nkm->max_m_n_ratio * n))
+		return false;
+
+	if (nkm->min_parent_m_ratio && (parent < nkm->min_parent_m_ratio * m))
+		return false;
+
+	return true;
+}
+
 static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common,
 						       struct clk_hw *parent_hw,
 						       unsigned long *parent, unsigned long rate,
@@ -31,6 +45,10 @@ static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common
 				unsigned long tmp_rate, tmp_parent;
 
 				tmp_parent = clk_hw_round_rate(parent_hw, rate * _m / (_n * _k));
+
+				if (!ccu_nkm_is_valid_rate(common, tmp_parent, _n, _m))
+					continue;
+
 				tmp_rate = tmp_parent * _n * _k / _m;
 
 				if (ccu_is_better_rate(common, rate, tmp_rate, best_rate) ||
@@ -64,6 +82,9 @@ static unsigned long ccu_nkm_find_best(unsigned long parent, unsigned long rate,
 	for (_k = nkm->min_k; _k <= nkm->max_k; _k++) {
 		for (_n = nkm->min_n; _n <= nkm->max_n; _n++) {
 			for (_m = nkm->min_m; _m <= nkm->max_m; _m++) {
+				if (!ccu_nkm_is_valid_rate(common, parent, _n, _m))
+					continue;
+
 				unsigned long tmp_rate;
 
 				tmp_rate = parent * _n * _k / _m;
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.h b/drivers/clk/sunxi-ng/ccu_nkm.h
index 6601defb3f38..c409212ee40e 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.h
+++ b/drivers/clk/sunxi-ng/ccu_nkm.h
@@ -27,6 +27,8 @@ struct ccu_nkm {
 	struct ccu_mux_internal	mux;
 
 	unsigned int		fixed_post_div;
+	unsigned long		max_m_n_ratio;
+	unsigned long		min_parent_m_ratio;
 
 	struct ccu_common	common;
 };