clk: rockchip: Add rv1126 clk support

Add clock driver support for Rockchip RV1126 SoC.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

2 files changed, 1890 insertions, 0 deletions

diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
index a72d8fe58a..f719f4e379 100644
--- a/drivers/clk/rockchip/Makefile
+++ b/drivers/clk/rockchip/Makefile
@@ -17,3 +17,4 @@ obj-$(CONFIG_ROCKCHIP_RK3368) += clk_rk3368.o
 obj-$(CONFIG_ROCKCHIP_RK3399) += clk_rk3399.o
 obj-$(CONFIG_ROCKCHIP_RK3568) += clk_rk3568.o
 obj-$(CONFIG_ROCKCHIP_RV1108) += clk_rv1108.o
+obj-$(CONFIG_ROCKCHIP_RV1126) += clk_rv1126.o
diff --git a/drivers/clk/rockchip/clk_rv1126.c b/drivers/clk/rockchip/clk_rv1126.c
new file mode 100644
index 0000000000..3ed29364de
--- /dev/null
+++ b/drivers/clk/rockchip/clk_rv1126.c
@@ -0,0 +1,1889 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ * Author: Finley Xiao <finley.xiao@rock-chips.com>
+ */
+
+#include <common.h>
+#include <bitfield.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_rv1126.h>
+#include <asm/arch-rockchip/grf_rv1126.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <dm/device-internal.h>
+#include <asm/io.h>
+#include <dm/lists.h>
+#include <dt-bindings/clock/rockchip,rv1126-cru.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define RV1126_CPUCLK_RATE(_rate, _aclk_div, _pclk_div)		\
+{								\
+	.rate	= _rate##U,					\
+	.aclk_div = _aclk_div,					\
+	.pclk_div = _pclk_div,					\
+}
+
+#define DIV_TO_RATE(input_rate, div)    ((input_rate) / ((div) + 1))
+
+static struct rockchip_cpu_rate_table rv1126_cpu_rates[] = {
+	RV1126_CPUCLK_RATE(1200000000, 1, 5),
+	RV1126_CPUCLK_RATE(1008000000, 1, 5),
+	RV1126_CPUCLK_RATE(816000000, 1, 3),
+	RV1126_CPUCLK_RATE(600000000, 1, 3),
+	RV1126_CPUCLK_RATE(408000000, 1, 1),
+};
+
+static struct rockchip_pll_rate_table rv1126_pll_rates[] = {
+	/* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
+	RK3036_PLL_RATE(1600000000, 3, 200, 1, 1, 1, 0),
+	RK3036_PLL_RATE(1400000000, 3, 350, 2, 1, 1, 0),
+	RK3036_PLL_RATE(1200000000, 1, 100, 2, 1, 1, 0),
+	RK3036_PLL_RATE(1188000000, 1, 99, 2, 1, 1, 0),
+	RK3036_PLL_RATE(1100000000, 3, 275, 2, 1, 1, 0),
+	RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
+	RK3036_PLL_RATE(1000000000, 3, 250, 2, 1, 1, 0),
+	RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
+	RK3036_PLL_RATE(800000000, 3, 200, 2, 1, 1, 0),
+	RK3036_PLL_RATE(600000000, 1, 100, 4, 1, 1, 0),
+	RK3036_PLL_RATE(594000000, 1, 99, 4, 1, 1, 0),
+	RK3036_PLL_RATE(500000000, 1, 125, 6, 1, 1, 0),
+	RK3036_PLL_RATE(200000000, 1, 100, 6, 2, 1, 0),
+	RK3036_PLL_RATE(100000000, 1, 100, 6, 4, 1, 0),
+	{ /* sentinel */ },
+};
+
+static struct rockchip_pll_clock rv1126_pll_clks[] = {
+	[APLL] = PLL(pll_rk3328, PLL_APLL, RV1126_PLL_CON(0),
+		     RV1126_MODE_CON, 0, 10, 0, rv1126_pll_rates),
+	[DPLL] = PLL(pll_rk3328, PLL_DPLL, RV1126_PLL_CON(8),
+		     RV1126_MODE_CON, 2, 10, 0, NULL),
+	[CPLL] = PLL(pll_rk3328, PLL_CPLL, RV1126_PLL_CON(16),
+		     RV1126_MODE_CON, 4, 10, 0, rv1126_pll_rates),
+	[HPLL] = PLL(pll_rk3328, PLL_HPLL, RV1126_PLL_CON(24),
+		     RV1126_MODE_CON, 6, 10, 0, rv1126_pll_rates),
+	[GPLL] = PLL(pll_rk3328, PLL_GPLL, RV1126_PMU_PLL_CON(0),
+		     RV1126_PMU_MODE, 0, 10, 0, rv1126_pll_rates),
+};
+
+static ulong rv1126_gpll_set_rate(struct rv1126_clk_priv *priv,
+				  struct rv1126_pmuclk_priv *pmu_priv,
+				  ulong rate);
+/*
+ *
+ * rational_best_approximation(31415, 10000,
+ *		(1 << 8) - 1, (1 << 5) - 1, &n, &d);
+ *
+ * you may look at given_numerator as a fixed point number,
+ * with the fractional part size described in given_denominator.
+ *
+ * for theoretical background, see:
+ * http://en.wikipedia.org/wiki/Continued_fraction
+ */
+static void rational_best_approximation(unsigned long given_numerator,
+					unsigned long given_denominator,
+					unsigned long max_numerator,
+					unsigned long max_denominator,
+					unsigned long *best_numerator,
+					unsigned long *best_denominator)
+{
+	unsigned long n, d, n0, d0, n1, d1;
+
+	n = given_numerator;
+	d = given_denominator;
+	n0 = 0;
+	d1 = 0;
+	n1 = 1;
+	d0 = 1;
+	for (;;) {
+		unsigned long t, a;
+
+		if (n1 > max_numerator || d1 > max_denominator) {
+			n1 = n0;
+			d1 = d0;
+			break;
+		}
+		if (d == 0)
+			break;
+		t = d;
+		a = n / d;
+		d = n % d;
+		n = t;
+		t = n0 + a * n1;
+		n0 = n1;
+		n1 = t;
+		t = d0 + a * d1;
+		d0 = d1;
+		d1 = t;
+	}
+	*best_numerator = n1;
+	*best_denominator = d1;
+}
+
+static ulong rv1126_gpll_get_pmuclk(struct rv1126_pmuclk_priv *priv)
+{
+	return rockchip_pll_get_rate(&rv1126_pll_clks[GPLL],
+				     priv->pmucru, GPLL);
+}
+
+static ulong rv1126_gpll_set_pmuclk(struct rv1126_pmuclk_priv *pmu_priv, ulong rate)
+{
+	struct udevice *cru_dev;
+	struct rv1126_clk_priv *priv;
+	int ret;
+
+	ret = uclass_get_device_by_driver(UCLASS_CLK,
+					  DM_DRIVER_GET(rockchip_rv1126_cru),
+					  &cru_dev);
+	if (ret) {
+		printf("%s: could not find cru device\n", __func__);
+		return ret;
+	}
+	priv = dev_get_priv(cru_dev);
+
+	if (rv1126_gpll_set_rate(priv, pmu_priv, rate)) {
+		printf("%s: failed to set gpll rate %lu\n", __func__, rate);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static ulong rv1126_rtc32k_get_pmuclk(struct rv1126_pmuclk_priv *priv)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	unsigned long m, n;
+	u32 fracdiv;
+
+	fracdiv = readl(&pmucru->pmu_clksel_con[13]);
+	m = fracdiv & CLK_RTC32K_FRAC_NUMERATOR_MASK;
+	m >>= CLK_RTC32K_FRAC_NUMERATOR_SHIFT;
+	n = fracdiv & CLK_RTC32K_FRAC_DENOMINATOR_MASK;
+	n >>= CLK_RTC32K_FRAC_DENOMINATOR_SHIFT;
+
+	return OSC_HZ * m / n;
+}
+
+static ulong rv1126_rtc32k_set_pmuclk(struct rv1126_pmuclk_priv *priv,
+				      ulong rate)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	unsigned long m, n, val;
+
+	rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
+		     RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT);
+
+	rational_best_approximation(rate, OSC_HZ,
+				    GENMASK(16 - 1, 0),
+				    GENMASK(16 - 1, 0),
+				    &m, &n);
+	val = m << CLK_RTC32K_FRAC_NUMERATOR_SHIFT | n;
+	writel(val, &pmucru->pmu_clksel_con[13]);
+
+	return rv1126_rtc32k_get_pmuclk(priv);
+}
+
+static ulong rv1126_i2c_get_pmuclk(struct rv1126_pmuclk_priv *priv,
+				   ulong clk_id)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	u32 div, con;
+
+	switch (clk_id) {
+	case CLK_I2C0:
+		con = readl(&pmucru->pmu_clksel_con[2]);
+		div = (con & CLK_I2C0_DIV_MASK) >> CLK_I2C0_DIV_SHIFT;
+		break;
+	case CLK_I2C2:
+		con = readl(&pmucru->pmu_clksel_con[3]);
+		div = (con & CLK_I2C1_DIV_MASK) >> CLK_I2C1_DIV_SHIFT;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_i2c_set_pmuclk(struct rv1126_pmuclk_priv *priv,
+				   ulong clk_id, ulong rate)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 127);
+
+	switch (clk_id) {
+	case CLK_I2C0:
+		rk_clrsetreg(&pmucru->pmu_clksel_con[2], CLK_I2C0_DIV_MASK,
+			     (src_clk_div - 1) << CLK_I2C0_DIV_SHIFT);
+		break;
+	case CLK_I2C2:
+		rk_clrsetreg(&pmucru->pmu_clksel_con[3], CLK_I2C2_DIV_MASK,
+			     (src_clk_div - 1) << CLK_I2C2_DIV_SHIFT);
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return rv1126_i2c_get_pmuclk(priv, clk_id);
+}
+
+static ulong rv1126_pwm_get_pmuclk(struct rv1126_pmuclk_priv *priv,
+				   ulong clk_id)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	u32 div, sel, con;
+
+	switch (clk_id) {
+	case CLK_PWM0:
+		con = readl(&pmucru->pmu_clksel_con[6]);
+		sel = (con & CLK_PWM0_SEL_MASK) >> CLK_PWM0_SEL_SHIFT;
+		div = (con & CLK_PWM0_DIV_MASK) >> CLK_PWM0_DIV_SHIFT;
+		if (sel == CLK_PWM0_SEL_XIN24M)
+			return OSC_HZ;
+		break;
+	case CLK_PWM1:
+		con = readl(&pmucru->pmu_clksel_con[6]);
+		sel = (con & CLK_PWM1_SEL_MASK) >> CLK_PWM1_SEL_SHIFT;
+		div = (con & CLK_PWM1_DIV_MASK) >> CLK_PWM1_DIV_SHIFT;
+		if (sel == CLK_PWM1_SEL_XIN24M)
+			return OSC_HZ;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_pwm_set_pmuclk(struct rv1126_pmuclk_priv *priv,
+				   ulong clk_id, ulong rate)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	int src_clk_div;
+
+	switch (clk_id) {
+	case CLK_PWM0:
+		if (rate == OSC_HZ) {
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM0_SEL_MASK,
+				     CLK_PWM0_SEL_XIN24M << CLK_PWM0_SEL_SHIFT);
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM0_DIV_MASK, 0);
+		} else {
+			src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+			assert(src_clk_div - 1 <= 127);
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM0_DIV_MASK,
+				     (src_clk_div - 1) << CLK_PWM0_DIV_SHIFT);
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM0_SEL_MASK,
+				     CLK_PWM0_SEL_GPLL << CLK_PWM0_SEL_SHIFT);
+		}
+		break;
+	case CLK_PWM1:
+		if (rate == OSC_HZ) {
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM1_SEL_MASK,
+				     CLK_PWM1_SEL_XIN24M << CLK_PWM1_SEL_SHIFT);
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM1_DIV_MASK, 0);
+		} else {
+			src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+			assert(src_clk_div - 1 <= 127);
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM1_DIV_MASK,
+				     (src_clk_div - 1) << CLK_PWM1_DIV_SHIFT);
+			rk_clrsetreg(&pmucru->pmu_clksel_con[6],
+				     CLK_PWM1_SEL_MASK,
+				     CLK_PWM1_SEL_GPLL << CLK_PWM1_SEL_SHIFT);
+		}
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return rv1126_pwm_get_pmuclk(priv, clk_id);
+}
+
+static ulong rv1126_spi_get_pmuclk(struct rv1126_pmuclk_priv *priv)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	u32 div, con;
+
+	con = readl(&pmucru->pmu_clksel_con[9]);
+	div = (con & CLK_SPI0_DIV_MASK) >> CLK_SPI0_DIV_SHIFT;
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_spi_set_pmuclk(struct rv1126_pmuclk_priv *priv,
+				   ulong rate)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 127);
+
+	rk_clrsetreg(&pmucru->pmu_clksel_con[9],
+		     CLK_SPI0_SEL_MASK | CLK_SPI0_DIV_MASK,
+		     CLK_SPI0_SEL_GPLL << CLK_SPI0_SEL_SHIFT |
+		     (src_clk_div - 1) << CLK_SPI0_DIV_SHIFT);
+
+	return rv1126_spi_get_pmuclk(priv);
+}
+
+static ulong rv1126_pdpmu_get_pmuclk(struct rv1126_pmuclk_priv *priv)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	u32 div, con;
+
+	con = readl(&pmucru->pmu_clksel_con[1]);
+	div = (con & PCLK_PDPMU_DIV_MASK) >> PCLK_PDPMU_DIV_SHIFT;
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_pdpmu_set_pmuclk(struct rv1126_pmuclk_priv *priv,
+				     ulong rate)
+{
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+
+	rk_clrsetreg(&pmucru->pmu_clksel_con[1],
+		     PCLK_PDPMU_DIV_MASK,
+		     (src_clk_div - 1) << PCLK_PDPMU_DIV_SHIFT);
+
+	return rv1126_pdpmu_get_pmuclk(priv);
+}
+
+static ulong rv1126_pmuclk_get_rate(struct clk *clk)
+{
+	struct rv1126_pmuclk_priv *priv = dev_get_priv(clk->dev);
+	ulong rate = 0;
+
+	if (!priv->gpll_hz) {
+		printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
+		return -ENOENT;
+	}
+
+	debug("%s %ld\n", __func__, clk->id);
+	switch (clk->id) {
+	case PLL_GPLL:
+		rate = rv1126_gpll_get_pmuclk(priv);
+		break;
+	case CLK_RTC32K:
+		rate = rv1126_rtc32k_get_pmuclk(priv);
+		break;
+	case CLK_I2C0:
+	case CLK_I2C2:
+		rate = rv1126_i2c_get_pmuclk(priv, clk->id);
+		break;
+	case CLK_PWM0:
+	case CLK_PWM1:
+		rate = rv1126_pwm_get_pmuclk(priv, clk->id);
+		break;
+	case CLK_SPI0:
+		rate = rv1126_spi_get_pmuclk(priv);
+		break;
+	case PCLK_PDPMU:
+		rate = rv1126_pdpmu_get_pmuclk(priv);
+		break;
+	default:
+		debug("%s: Unsupported CLK#%ld\n", __func__, clk->id);
+		return -ENOENT;
+	}
+
+	return rate;
+}
+
+static ulong rv1126_pmuclk_set_rate(struct clk *clk, ulong rate)
+{
+	struct rv1126_pmuclk_priv *priv = dev_get_priv(clk->dev);
+	ulong ret = 0;
+
+	if (!priv->gpll_hz) {
+		printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
+		return -ENOENT;
+	}
+
+	debug("%s %ld %ld\n", __func__, clk->id, rate);
+	switch (clk->id) {
+	case PLL_GPLL:
+		ret = rv1126_gpll_set_pmuclk(priv, rate);
+		break;
+	case CLK_RTC32K:
+		ret = rv1126_rtc32k_set_pmuclk(priv, rate);
+		break;
+	case CLK_I2C0:
+	case CLK_I2C2:
+		ret = rv1126_i2c_set_pmuclk(priv, clk->id, rate);
+		break;
+	case CLK_PWM0:
+	case CLK_PWM1:
+		ret = rv1126_pwm_set_pmuclk(priv, clk->id, rate);
+		break;
+	case CLK_SPI0:
+		ret = rv1126_spi_set_pmuclk(priv, rate);
+		break;
+	case PCLK_PDPMU:
+		ret = rv1126_pdpmu_set_pmuclk(priv, rate);
+		break;
+	default:
+		debug("%s: Unsupported CLK#%ld\n", __func__, clk->id);
+		return -ENOENT;
+	}
+
+	return ret;
+}
+
+static int rv1126_rtc32k_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct rv1126_pmuclk_priv *priv = dev_get_priv(clk->dev);
+	struct rv1126_pmucru *pmucru = priv->pmucru;
+
+	if (parent->id == CLK_OSC0_DIV32K)
+		rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
+			     RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT);
+	else
+		rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
+			     RTC32K_SEL_OSC1_32K << RTC32K_SEL_SHIFT);
+
+	return 0;
+}
+
+static int rv1126_pmuclk_set_parent(struct clk *clk, struct clk *parent)
+{
+	switch (clk->id) {
+	case CLK_RTC32K:
+		return rv1126_rtc32k_set_parent(clk, parent);
+	default:
+		debug("%s: Unsupported CLK#%ld\n", __func__, clk->id);
+		return -ENOENT;
+	}
+}
+
+static struct clk_ops rv1126_pmuclk_ops = {
+	.get_rate = rv1126_pmuclk_get_rate,
+	.set_rate = rv1126_pmuclk_set_rate,
+	.set_parent = rv1126_pmuclk_set_parent,
+};
+
+static int rv1126_pmuclk_probe(struct udevice *dev)
+{
+	struct rv1126_pmuclk_priv *priv = dev_get_priv(dev);
+
+	priv->gpll_hz =	rv1126_gpll_get_pmuclk(priv);
+
+	return 0;
+}
+
+static int rv1126_pmuclk_of_to_plat(struct udevice *dev)
+{
+	struct rv1126_pmuclk_priv *priv = dev_get_priv(dev);
+
+	priv->pmucru = dev_read_addr_ptr(dev);
+
+	return 0;
+}
+
+static int rv1126_pmuclk_bind(struct udevice *dev)
+{
+#if CONFIG_IS_ENABLED(RESET_ROCKCHIP)
+	int ret;
+
+	ret = offsetof(struct rv1126_pmucru, pmu_softrst_con[0]);
+	ret = rockchip_reset_bind(dev, ret, 2);
+	if (ret)
+		debug("Warning: software reset driver bind faile\n");
+#endif
+	return 0;
+}
+
+static const struct udevice_id rv1126_pmuclk_ids[] = {
+	{ .compatible = "rockchip,rv1126-pmucru" },
+	{ }
+};
+
+U_BOOT_DRIVER(rockchip_rv1126_pmucru) = {
+	.name		= "rockchip_rv1126_pmucru",
+	.id		= UCLASS_CLK,
+	.of_match	= rv1126_pmuclk_ids,
+	.priv_auto	= sizeof(struct rv1126_pmuclk_priv),
+	.of_to_plat	= rv1126_pmuclk_of_to_plat,
+	.ops		= &rv1126_pmuclk_ops,
+	.bind		= rv1126_pmuclk_bind,
+	.probe		= rv1126_pmuclk_probe,
+};
+
+static int rv1126_armclk_set_clk(struct rv1126_clk_priv *priv, ulong hz)
+{
+	struct rv1126_cru *cru = priv->cru;
+	const struct rockchip_cpu_rate_table *rate;
+	ulong old_rate;
+
+	rate = rockchip_get_cpu_settings(rv1126_cpu_rates, hz);
+	if (!rate) {
+		printf("%s unsupported rate\n", __func__);
+		return -EINVAL;
+	}
+
+	/*
+	 * set up dependent divisors for DBG and ACLK clocks.
+	 */
+	old_rate = rockchip_pll_get_rate(&rv1126_pll_clks[APLL],
+					 priv->cru, APLL);
+	if (old_rate > hz) {
+		if (rockchip_pll_set_rate(&rv1126_pll_clks[APLL],
+					  priv->cru, APLL, hz))
+			return -EINVAL;
+		rk_clrsetreg(&cru->clksel_con[1],
+			     CORE_DBG_DIV_MASK | CORE_ACLK_DIV_MASK,
+			     rate->pclk_div << CORE_DBG_DIV_SHIFT |
+			     rate->aclk_div << CORE_ACLK_DIV_SHIFT);
+	} else if (old_rate < hz) {
+		rk_clrsetreg(&cru->clksel_con[1],
+			     CORE_DBG_DIV_MASK | CORE_ACLK_DIV_MASK,
+			     rate->pclk_div << CORE_DBG_DIV_SHIFT |
+			     rate->aclk_div << CORE_ACLK_DIV_SHIFT);
+		if (rockchip_pll_set_rate(&rv1126_pll_clks[APLL],
+					  priv->cru, APLL, hz))
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
+static ulong rv1126_pdcore_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 con, div;
+
+	con = readl(&cru->clksel_con[0]);
+	div = (con & CORE_HCLK_DIV_MASK) >> CORE_HCLK_DIV_SHIFT;
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_pdcore_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+
+	rk_clrsetreg(&cru->clksel_con[0], CORE_HCLK_DIV_MASK,
+		     (src_clk_div - 1) << CORE_HCLK_DIV_SHIFT);
+
+	return rv1126_pdcore_get_clk(priv);
+}
+
+static ulong rv1126_pdbus_get_clk(struct rv1126_clk_priv *priv, ulong clk_id)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 con, div, sel, parent;
+
+	switch (clk_id) {
+	case ACLK_PDBUS:
+		con = readl(&cru->clksel_con[2]);
+		div = (con & ACLK_PDBUS_DIV_MASK) >> ACLK_PDBUS_DIV_SHIFT;
+		sel = (con & ACLK_PDBUS_SEL_MASK) >> ACLK_PDBUS_SEL_SHIFT;
+		if (sel == ACLK_PDBUS_SEL_GPLL)
+			parent = priv->gpll_hz;
+		else if (sel == ACLK_PDBUS_SEL_CPLL)
+			parent = priv->cpll_hz;
+		else
+			return -ENOENT;
+		break;
+	case HCLK_PDBUS:
+		con = readl(&cru->clksel_con[2]);
+		div = (con & HCLK_PDBUS_DIV_MASK) >> HCLK_PDBUS_DIV_SHIFT;
+		sel = (con & HCLK_PDBUS_SEL_MASK) >> HCLK_PDBUS_SEL_SHIFT;
+		if (sel == HCLK_PDBUS_SEL_GPLL)
+			parent = priv->gpll_hz;
+		else if (sel == HCLK_PDBUS_SEL_CPLL)
+			parent = priv->cpll_hz;
+		else
+			return -ENOENT;
+		break;
+	case PCLK_PDBUS:
+	case PCLK_WDT:
+		con = readl(&cru->clksel_con[3]);
+		div = (con & PCLK_PDBUS_DIV_MASK) >> PCLK_PDBUS_DIV_SHIFT;
+		sel = (con & PCLK_PDBUS_SEL_MASK) >> PCLK_PDBUS_SEL_SHIFT;
+		if (sel == PCLK_PDBUS_SEL_GPLL)
+			parent = priv->gpll_hz;
+		else if (sel == PCLK_PDBUS_SEL_CPLL)
+			parent = priv->cpll_hz;
+		else
+			return -ENOENT;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_pdbus_set_clk(struct rv1126_clk_priv *priv, ulong clk_id,
+				  ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div, clk_sel;
+
+	switch (clk_id) {
+	case ACLK_PDBUS:
+		if (CPLL_HZ % rate) {
+			src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+			clk_sel = ACLK_PDBUS_SEL_GPLL;
+		} else {
+			src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
+			clk_sel = ACLK_PDBUS_SEL_CPLL;
+		}
+		assert(src_clk_div - 1 <= 31);
+		rk_clrsetreg(&cru->clksel_con[2],
+			     ACLK_PDBUS_SEL_MASK | ACLK_PDBUS_DIV_MASK,
+			     clk_sel << ACLK_PDBUS_SEL_SHIFT |
+			     (src_clk_div - 1) << ACLK_PDBUS_DIV_SHIFT);
+		break;
+	case HCLK_PDBUS:
+		src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+		assert(src_clk_div - 1 <= 31);
+		rk_clrsetreg(&cru->clksel_con[2],
+			     HCLK_PDBUS_SEL_MASK | HCLK_PDBUS_DIV_MASK,
+			     HCLK_PDBUS_SEL_GPLL << HCLK_PDBUS_SEL_SHIFT |
+			     (src_clk_div - 1) << HCLK_PDBUS_DIV_SHIFT);
+		break;
+	case PCLK_PDBUS:
+	case PCLK_WDT:
+		src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+		assert(src_clk_div - 1 <= 31);
+		rk_clrsetreg(&cru->clksel_con[3],
+			     PCLK_PDBUS_SEL_MASK | PCLK_PDBUS_DIV_MASK,
+			     PCLK_PDBUS_SEL_GPLL << PCLK_PDBUS_SEL_SHIFT |
+			     (src_clk_div - 1) << PCLK_PDBUS_DIV_SHIFT);
+		break;
+
+	default:
+		printf("do not support this pdbus freq\n");
+		return -EINVAL;
+	}
+
+	return rv1126_pdbus_get_clk(priv, clk_id);
+}
+
+static ulong rv1126_pdphp_get_clk(struct rv1126_clk_priv *priv, ulong clk_id)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 con, div, parent;
+
+	switch (clk_id) {
+	case ACLK_PDPHP:
+		con = readl(&cru->clksel_con[53]);
+		div = (con & ACLK_PDPHP_DIV_MASK) >> ACLK_PDPHP_DIV_SHIFT;
+		parent = priv->gpll_hz;
+		break;
+	case HCLK_PDPHP:
+		con = readl(&cru->clksel_con[53]);
+		div = (con & HCLK_PDPHP_DIV_MASK) >> HCLK_PDPHP_DIV_SHIFT;
+		parent = priv->gpll_hz;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_pdphp_set_clk(struct rv1126_clk_priv *priv, ulong clk_id,
+				  ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+
+	switch (clk_id) {
+	case ACLK_PDPHP:
+		rk_clrsetreg(&cru->clksel_con[53],
+			     ACLK_PDPHP_SEL_MASK | ACLK_PDPHP_DIV_MASK,
+			     ACLK_PDPHP_SEL_GPLL << ACLK_PDPHP_SEL_SHIFT |
+			     (src_clk_div - 1) << ACLK_PDPHP_DIV_SHIFT);
+		break;
+	case HCLK_PDPHP:
+		rk_clrsetreg(&cru->clksel_con[53],
+			     HCLK_PDPHP_DIV_MASK,
+			     (src_clk_div - 1) << HCLK_PDPHP_DIV_SHIFT);
+		break;
+	default:
+		printf("do not support this pdphp freq\n");
+		return -EINVAL;
+	}
+
+	return rv1126_pdphp_get_clk(priv, clk_id);
+}
+
+static ulong rv1126_pdaudio_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 con, div;
+
+	con = readl(&cru->clksel_con[26]);
+	div = (con & HCLK_PDAUDIO_DIV_MASK) >> HCLK_PDAUDIO_DIV_SHIFT;
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_pdaudio_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+
+	rk_clrsetreg(&cru->clksel_con[26], HCLK_PDAUDIO_DIV_MASK,
+		     (src_clk_div - 1) << HCLK_PDAUDIO_DIV_SHIFT);
+
+	return rv1126_pdaudio_get_clk(priv);
+}
+
+static ulong rv1126_i2c_get_clk(struct rv1126_clk_priv *priv, ulong clk_id)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, con;
+
+	switch (clk_id) {
+	case CLK_I2C1:
+		con = readl(&cru->clksel_con[5]);
+		div = (con & CLK_I2C1_DIV_MASK) >> CLK_I2C1_DIV_SHIFT;
+		break;
+	case CLK_I2C3:
+		con = readl(&cru->clksel_con[5]);
+		div = (con & CLK_I2C3_DIV_MASK) >> CLK_I2C3_DIV_SHIFT;
+		break;
+	case CLK_I2C4:
+		con = readl(&cru->clksel_con[6]);
+		div = (con & CLK_I2C4_DIV_MASK) >> CLK_I2C4_DIV_SHIFT;
+		break;
+	case CLK_I2C5:
+		con = readl(&cru->clksel_con[6]);
+		div = (con & CLK_I2C5_DIV_MASK) >> CLK_I2C5_DIV_SHIFT;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_i2c_set_clk(struct rv1126_clk_priv *priv, ulong clk_id,
+				ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 127);
+
+	switch (clk_id) {
+	case CLK_I2C1:
+		rk_clrsetreg(&cru->clksel_con[5], CLK_I2C1_DIV_MASK,
+			     (src_clk_div - 1) << CLK_I2C1_DIV_SHIFT);
+		break;
+	case CLK_I2C3:
+		rk_clrsetreg(&cru->clksel_con[5], CLK_I2C3_DIV_MASK,
+			     (src_clk_div - 1) << CLK_I2C3_DIV_SHIFT);
+		break;
+	case CLK_I2C4:
+		rk_clrsetreg(&cru->clksel_con[6], CLK_I2C4_DIV_MASK,
+			     (src_clk_div - 1) << CLK_I2C4_DIV_SHIFT);
+		break;
+	case CLK_I2C5:
+		rk_clrsetreg(&cru->clksel_con[6], CLK_I2C5_DIV_MASK,
+			     (src_clk_div - 1) << CLK_I2C5_DIV_SHIFT);
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return rv1126_i2c_get_clk(priv, clk_id);
+}
+
+static ulong rv1126_spi_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, con;
+
+	con = readl(&cru->clksel_con[8]);
+	div = (con & CLK_SPI1_DIV_MASK) >> CLK_SPI1_DIV_SHIFT;
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_spi_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 127);
+
+	rk_clrsetreg(&cru->clksel_con[8],
+		     CLK_SPI1_SEL_MASK | CLK_SPI1_DIV_MASK,
+		     CLK_SPI1_SEL_GPLL << CLK_SPI1_SEL_SHIFT |
+		     (src_clk_div - 1) << CLK_SPI1_DIV_SHIFT);
+
+	return rv1126_spi_get_clk(priv);
+}
+
+static ulong rv1126_pwm_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con;
+
+	con = readl(&cru->clksel_con[9]);
+	sel = (con & CLK_PWM2_SEL_MASK) >> CLK_PWM2_SEL_SHIFT;
+	div = (con & CLK_PWM2_DIV_MASK) >> CLK_PWM2_DIV_SHIFT;
+	if (sel == CLK_PWM2_SEL_XIN24M)
+		return OSC_HZ;
+
+	return DIV_TO_RATE(priv->gpll_hz, div);
+}
+
+static ulong rv1126_pwm_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	if (rate == OSC_HZ) {
+		rk_clrsetreg(&cru->clksel_con[9], CLK_PWM2_SEL_MASK,
+			     CLK_PWM2_SEL_XIN24M << CLK_PWM2_SEL_SHIFT);
+		rk_clrsetreg(&cru->clksel_con[9], CLK_PWM2_DIV_MASK, 0);
+	} else {
+		src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+		assert(src_clk_div - 1 <= 127);
+		rk_clrsetreg(&cru->clksel_con[9], CLK_PWM2_DIV_MASK,
+			     (src_clk_div - 1) << CLK_PWM2_DIV_SHIFT);
+		rk_clrsetreg(&cru->clksel_con[9], CLK_PWM2_SEL_MASK,
+			     CLK_PWM2_SEL_GPLL << CLK_PWM2_SEL_SHIFT);
+	}
+
+	return rv1126_pwm_get_clk(priv);
+}
+
+static ulong rv1126_saradc_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, con;
+
+	con = readl(&cru->clksel_con[20]);
+	div = (con & CLK_SARADC_DIV_MASK) >> CLK_SARADC_DIV_SHIFT;
+
+	return DIV_TO_RATE(OSC_HZ, div);
+}
+
+static ulong rv1126_saradc_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(OSC_HZ, rate);
+	assert(src_clk_div - 1 <= 2047);
+	rk_clrsetreg(&cru->clksel_con[20], CLK_SARADC_DIV_MASK,
+		     (src_clk_div - 1) << CLK_SARADC_DIV_SHIFT);
+
+	return rv1126_saradc_get_clk(priv);
+}
+
+static ulong rv1126_crypto_get_clk(struct rv1126_clk_priv *priv, ulong clk_id)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	switch (clk_id) {
+	case CLK_CRYPTO_CORE:
+		con = readl(&cru->clksel_con[7]);
+		div = (con & CLK_CRYPTO_CORE_DIV_MASK) >> CLK_CRYPTO_CORE_DIV_SHIFT;
+		sel = (con & CLK_CRYPTO_CORE_SEL_MASK) >> CLK_CRYPTO_CORE_SEL_SHIFT;
+		if (sel == CLK_CRYPTO_CORE_SEL_GPLL)
+			parent = priv->gpll_hz;
+		else if (sel == CLK_CRYPTO_CORE_SEL_CPLL)
+			parent = priv->cpll_hz;
+		else
+			return -ENOENT;
+		break;
+	case CLK_CRYPTO_PKA:
+		con = readl(&cru->clksel_con[7]);
+		div = (con & CLK_CRYPTO_PKA_DIV_MASK) >> CLK_CRYPTO_PKA_DIV_SHIFT;
+		sel = (con & CLK_CRYPTO_PKA_SEL_MASK) >> CLK_CRYPTO_PKA_SEL_SHIFT;
+		if (sel == CLK_CRYPTO_PKA_SEL_GPLL)
+			parent = priv->gpll_hz;
+		else if (sel == CLK_CRYPTO_PKA_SEL_CPLL)
+			parent = priv->cpll_hz;
+		else
+			return -ENOENT;
+		break;
+	case ACLK_CRYPTO:
+		con = readl(&cru->clksel_con[4]);
+		div = (con & ACLK_CRYPTO_DIV_MASK) >> ACLK_CRYPTO_DIV_SHIFT;
+		sel = (con & ACLK_CRYPTO_SEL_MASK) >> ACLK_CRYPTO_SEL_SHIFT;
+		if (sel == ACLK_CRYPTO_SEL_GPLL)
+			parent = priv->gpll_hz;
+		else if (sel == ACLK_CRYPTO_SEL_CPLL)
+			parent = priv->cpll_hz;
+		else
+			return -ENOENT;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_crypto_set_clk(struct rv1126_clk_priv *priv, ulong clk_id,
+				   ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+
+	switch (clk_id) {
+	case CLK_CRYPTO_CORE:
+		rk_clrsetreg(&cru->clksel_con[7],
+			     CLK_CRYPTO_CORE_SEL_MASK |
+			     CLK_CRYPTO_CORE_DIV_MASK,
+			     CLK_CRYPTO_CORE_SEL_GPLL <<
+			     CLK_CRYPTO_CORE_SEL_SHIFT |
+			     (src_clk_div - 1) << CLK_CRYPTO_CORE_DIV_SHIFT);
+		break;
+	case CLK_CRYPTO_PKA:
+		rk_clrsetreg(&cru->clksel_con[7],
+			     CLK_CRYPTO_PKA_SEL_MASK |
+			     CLK_CRYPTO_PKA_DIV_MASK,
+			     CLK_CRYPTO_PKA_SEL_GPLL <<
+			     CLK_CRYPTO_PKA_SEL_SHIFT |
+			     (src_clk_div - 1) << CLK_CRYPTO_PKA_DIV_SHIFT);
+		break;
+	case ACLK_CRYPTO:
+		rk_clrsetreg(&cru->clksel_con[4],
+			     ACLK_CRYPTO_SEL_MASK | ACLK_CRYPTO_DIV_MASK,
+			     ACLK_CRYPTO_SEL_GPLL << ACLK_CRYPTO_SEL_SHIFT |
+			     (src_clk_div - 1) << ACLK_CRYPTO_DIV_SHIFT);
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return rv1126_crypto_get_clk(priv, clk_id);
+}
+
+static ulong rv1126_mmc_get_clk(struct rv1126_clk_priv *priv, ulong clk_id)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, con_id;
+
+	switch (clk_id) {
+	case HCLK_SDMMC:
+	case CLK_SDMMC:
+		con_id = 55;
+		break;
+	case HCLK_SDIO:
+	case CLK_SDIO:
+		con_id = 56;
+		break;
+	case HCLK_EMMC:
+	case CLK_EMMC:
+	case SCLK_EMMC_SAMPLE:
+		con_id = 57;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	con = readl(&cru->clksel_con[con_id]);
+	div = (con & EMMC_DIV_MASK) >> EMMC_DIV_SHIFT;
+	sel = (con & EMMC_SEL_MASK) >> EMMC_SEL_SHIFT;
+	if (sel == EMMC_SEL_GPLL)
+		return DIV_TO_RATE(priv->gpll_hz, div) / 2;
+	else if (sel == EMMC_SEL_CPLL)
+		return DIV_TO_RATE(priv->cpll_hz, div) / 2;
+	else if (sel == EMMC_SEL_XIN24M)
+		return DIV_TO_RATE(OSC_HZ, div) / 2;
+
+	return -ENOENT;
+}
+
+static ulong rv1126_mmc_set_clk(struct rv1126_clk_priv *priv, ulong clk_id,
+				ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+	u32 con_id;
+
+	switch (clk_id) {
+	case HCLK_SDMMC:
+	case CLK_SDMMC:
+		con_id = 55;
+		break;
+	case HCLK_SDIO:
+	case CLK_SDIO:
+		con_id = 56;
+		break;
+	case HCLK_EMMC:
+	case CLK_EMMC:
+		con_id = 57;
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	/* Select clk_sdmmc/emmc source from GPLL by default */
+	/* mmc clock defaulg div 2 internal, need provide double in cru */
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz / 2, rate);
+
+	if (src_clk_div > 127) {
+		/* use 24MHz source for 400KHz clock */
+		src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, rate);
+		rk_clrsetreg(&cru->clksel_con[con_id],
+			     EMMC_SEL_MASK | EMMC_DIV_MASK,
+			     EMMC_SEL_XIN24M << EMMC_SEL_SHIFT |
+			     (src_clk_div - 1) << EMMC_DIV_SHIFT);
+	} else {
+		rk_clrsetreg(&cru->clksel_con[con_id],
+			     EMMC_SEL_MASK | EMMC_DIV_MASK,
+			     EMMC_SEL_GPLL << EMMC_SEL_SHIFT |
+			     (src_clk_div - 1) << EMMC_DIV_SHIFT);
+	}
+
+	return rv1126_mmc_get_clk(priv, clk_id);
+}
+
+static ulong rv1126_sfc_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[58]);
+	div = (con & SCLK_SFC_DIV_MASK) >> SCLK_SFC_DIV_SHIFT;
+	sel = (con & SCLK_SFC_SEL_MASK) >> SCLK_SFC_SEL_SHIFT;
+	if (sel == SCLK_SFC_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else if (sel == SCLK_SFC_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_sfc_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	rk_clrsetreg(&cru->clksel_con[58],
+		     SCLK_SFC_SEL_MASK | SCLK_SFC_DIV_MASK,
+		     SCLK_SFC_SEL_GPLL << SCLK_SFC_SEL_SHIFT |
+		     (src_clk_div - 1) << SCLK_SFC_DIV_SHIFT);
+
+	return rv1126_sfc_get_clk(priv);
+}
+
+static ulong rv1126_nand_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[59]);
+	div = (con & CLK_NANDC_DIV_MASK) >> CLK_NANDC_DIV_SHIFT;
+	sel = (con & CLK_NANDC_SEL_MASK) >> CLK_NANDC_SEL_SHIFT;
+	if (sel == CLK_NANDC_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else if (sel == CLK_NANDC_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_nand_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	rk_clrsetreg(&cru->clksel_con[59],
+		     CLK_NANDC_SEL_MASK | CLK_NANDC_DIV_MASK,
+		     CLK_NANDC_SEL_GPLL << CLK_NANDC_SEL_SHIFT |
+		     (src_clk_div - 1) << CLK_NANDC_DIV_SHIFT);
+
+	return rv1126_nand_get_clk(priv);
+}
+
+static ulong rv1126_aclk_vop_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[45]);
+	div = (con & ACLK_PDVO_DIV_MASK) >> ACLK_PDVO_DIV_SHIFT;
+	sel = (con & ACLK_PDVO_SEL_MASK) >> ACLK_PDVO_SEL_SHIFT;
+	if (sel == ACLK_PDVO_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else if (sel == ACLK_PDVO_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_aclk_vop_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+	rk_clrsetreg(&cru->clksel_con[45],
+		     ACLK_PDVO_SEL_MASK | ACLK_PDVO_DIV_MASK,
+		     ACLK_PDVO_SEL_GPLL << ACLK_PDVO_SEL_SHIFT |
+		     (src_clk_div - 1) << ACLK_PDVO_DIV_SHIFT);
+
+	return rv1126_aclk_vop_get_clk(priv);
+}
+
+static ulong rv1126_dclk_vop_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[47]);
+	div = (con & DCLK_VOP_DIV_MASK) >> DCLK_VOP_DIV_SHIFT;
+	sel = (con & DCLK_VOP_SEL_MASK) >> DCLK_VOP_SEL_SHIFT;
+	if (sel == DCLK_VOP_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else if (sel == DCLK_VOP_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_dclk_vop_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	ulong pll_rate, now, best_rate = 0;
+	u32 i, div, best_div = 0, best_sel = 0;
+
+	for (i = 0; i <= DCLK_VOP_SEL_CPLL; i++) {
+		switch (i) {
+		case DCLK_VOP_SEL_GPLL:
+			pll_rate = priv->gpll_hz;
+			break;
+		case DCLK_VOP_SEL_CPLL:
+			pll_rate = priv->cpll_hz;
+			break;
+		default:
+			printf("do not support this vop pll sel\n");
+			return -EINVAL;
+		}
+
+		div = DIV_ROUND_UP(pll_rate, rate);
+		if (div > 255)
+			continue;
+		now = pll_rate / div;
+		if (abs(rate - now) < abs(rate - best_rate)) {
+			best_rate = now;
+			best_div = div;
+			best_sel = i;
+		}
+		debug("pll_rate=%lu, best_rate=%lu, best_div=%u, best_sel=%u\n",
+		      pll_rate, best_rate, best_div, best_sel);
+	}
+
+	if (best_rate) {
+		rk_clrsetreg(&cru->clksel_con[47],
+			     DCLK_VOP_SEL_MASK | DCLK_VOP_DIV_MASK,
+			     best_sel << DCLK_VOP_SEL_SHIFT |
+			     (best_div - 1) << DCLK_VOP_DIV_SHIFT);
+	} else {
+		printf("do not support this vop freq %lu\n", rate);
+		return -EINVAL;
+	}
+
+	return rv1126_dclk_vop_get_clk(priv);
+}
+
+static ulong rv1126_scr1_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[3]);
+	div = (con & CLK_SCR1_DIV_MASK) >> CLK_SCR1_DIV_SHIFT;
+	sel = (con & CLK_SCR1_SEL_MASK) >> CLK_SCR1_SEL_SHIFT;
+	if (sel == CLK_SCR1_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else if (sel == CLK_SCR1_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_scr1_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+	rk_clrsetreg(&cru->clksel_con[3],
+		     CLK_SCR1_SEL_MASK | CLK_SCR1_DIV_MASK,
+		     CLK_SCR1_SEL_GPLL << CLK_SCR1_SEL_SHIFT |
+		     (src_clk_div - 1) << CLK_SCR1_DIV_SHIFT);
+
+	return rv1126_scr1_get_clk(priv);
+}
+
+static ulong rv1126_gmac_src_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[63]);
+	div = (con & CLK_GMAC_SRC_DIV_MASK) >> CLK_GMAC_SRC_DIV_SHIFT;
+	sel = (con & CLK_GMAC_SRC_SEL_MASK) >> CLK_GMAC_SRC_SEL_SHIFT;
+	if (sel == CLK_GMAC_SRC_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else if (sel == CLK_GMAC_SRC_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_gmac_src_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+	rk_clrsetreg(&cru->clksel_con[63],
+		     CLK_GMAC_SRC_SEL_MASK | CLK_GMAC_SRC_DIV_MASK,
+		     CLK_GMAC_SRC_SEL_CPLL << CLK_GMAC_SRC_SEL_SHIFT |
+		     (src_clk_div - 1) << CLK_GMAC_SRC_DIV_SHIFT);
+
+	return rv1126_gmac_src_get_clk(priv);
+}
+
+static ulong rv1126_gmac_out_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[61]);
+	div = (con & CLK_GMAC_OUT_DIV_MASK) >> CLK_GMAC_OUT_DIV_SHIFT;
+	sel = (con & CLK_GMAC_OUT_SEL_MASK) >> CLK_GMAC_OUT_SEL_SHIFT;
+	if (sel == CLK_GMAC_OUT_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else if (sel == CLK_GMAC_OUT_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_gmac_out_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	int src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
+	assert(src_clk_div - 1 <= 31);
+	rk_clrsetreg(&cru->clksel_con[61],
+		     CLK_GMAC_OUT_SEL_MASK | CLK_GMAC_OUT_DIV_MASK,
+		     CLK_GMAC_OUT_SEL_CPLL << CLK_GMAC_OUT_SEL_SHIFT |
+		     (src_clk_div - 1) << CLK_GMAC_OUT_DIV_SHIFT);
+
+	return rv1126_gmac_out_get_clk(priv);
+}
+
+static ulong rv1126_gmac_tx_rx_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 con, sel, div_sel;
+
+	con = readl(&cru->gmac_con);
+	sel = (con & GMAC_MODE_SEL_MASK) >> GMAC_MODE_SEL_SHIFT;
+
+	if (sel == GMAC_RGMII_MODE) {
+		if (rate == 2500000)
+			div_sel = RGMII_CLK_DIV50;
+		else if (rate == 25000000)
+			div_sel = RGMII_CLK_DIV5;
+		else
+			div_sel = RGMII_CLK_DIV0;
+		rk_clrsetreg(&cru->gmac_con, RGMII_CLK_SEL_MASK,
+			     div_sel << RGMII_CLK_SEL_SHIFT);
+	} else if (sel == GMAC_RMII_MODE) {
+		if (rate == 2500000)
+			div_sel = RMII_CLK_DIV20;
+		else
+			div_sel = RMII_CLK_DIV2;
+		rk_clrsetreg(&cru->gmac_con, RMII_CLK_SEL_MASK,
+			     div_sel << RMII_CLK_SEL_SHIFT);
+	}
+
+	return 0;
+}
+
+static ulong rv1126_pclk_gmac_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, con, parent;
+
+	parent = rv1126_pdphp_get_clk(priv, ACLK_PDPHP);
+
+	con = readl(&cru->clksel_con[63]);
+	div = (con & PCLK_GMAC_DIV_MASK) >> PCLK_GMAC_DIV_SHIFT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_dclk_decom_get_clk(struct rv1126_clk_priv *priv)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 div, sel, con, parent;
+
+	con = readl(&cru->clksel_con[25]);
+	div = (con & DCLK_DECOM_DIV_MASK) >> DCLK_DECOM_DIV_SHIFT;
+	sel = (con & DCLK_DECOM_SEL_MASK) >> DCLK_DECOM_SEL_SHIFT;
+	if (sel == DCLK_DECOM_SEL_GPLL)
+		parent = priv->gpll_hz;
+	else if (sel == DCLK_DECOM_SEL_CPLL)
+		parent = priv->cpll_hz;
+	else
+		return -ENOENT;
+
+	return DIV_TO_RATE(parent, div);
+}
+
+static ulong rv1126_dclk_decom_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct rv1126_cru *cru = priv->cru;
+	u32 src_clk_div;
+
+	src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
+	assert(src_clk_div - 1 <= 127);
+	rk_clrsetreg(&cru->clksel_con[25],
+		     DCLK_DECOM_SEL_MASK | DCLK_DECOM_DIV_MASK,
+		     DCLK_DECOM_SEL_GPLL << DCLK_DECOM_SEL_SHIFT |
+		     (src_clk_div - 1) << DCLK_DECOM_DIV_SHIFT);
+
+	return rv1126_dclk_decom_get_clk(priv);
+}
+
+static ulong rv1126_clk_get_rate(struct clk *clk)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(clk->dev);
+	ulong rate = 0;
+
+	if (!priv->gpll_hz) {
+		printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
+		return -ENOENT;
+	}
+
+	switch (clk->id) {
+	case PLL_APLL:
+	case ARMCLK:
+		rate = rockchip_pll_get_rate(&rv1126_pll_clks[APLL], priv->cru,
+					     APLL);
+		break;
+	case PLL_CPLL:
+		rate = rockchip_pll_get_rate(&rv1126_pll_clks[CPLL], priv->cru,
+					     CPLL);
+		break;
+	case PLL_HPLL:
+		rate = rockchip_pll_get_rate(&rv1126_pll_clks[HPLL], priv->cru,
+					     HPLL);
+		break;
+	case PLL_DPLL:
+		rate = rockchip_pll_get_rate(&rv1126_pll_clks[DPLL], priv->cru,
+					     DPLL);
+		break;
+	case HCLK_PDCORE_NIU:
+		rate = rv1126_pdcore_get_clk(priv);
+		break;
+	case ACLK_PDBUS:
+	case HCLK_PDBUS:
+	case PCLK_PDBUS:
+	case PCLK_WDT:
+		rate = rv1126_pdbus_get_clk(priv, clk->id);
+		break;
+	case ACLK_PDPHP:
+	case HCLK_PDPHP:
+		rate = rv1126_pdphp_get_clk(priv, clk->id);
+		break;
+	case HCLK_PDAUDIO:
+		rate = rv1126_pdaudio_get_clk(priv);
+		break;
+	case CLK_I2C1:
+	case CLK_I2C3:
+	case CLK_I2C4:
+	case CLK_I2C5:
+		rate = rv1126_i2c_get_clk(priv, clk->id);
+		break;
+	case CLK_SPI1:
+		rate = rv1126_spi_get_clk(priv);
+		break;
+	case CLK_PWM2:
+		rate = rv1126_pwm_get_clk(priv);
+		break;
+	case CLK_SARADC:
+		rate = rv1126_saradc_get_clk(priv);
+		break;
+	case CLK_CRYPTO_CORE:
+	case CLK_CRYPTO_PKA:
+	case ACLK_CRYPTO:
+		rate = rv1126_crypto_get_clk(priv, clk->id);
+		break;
+	case CLK_SDMMC:
+	case HCLK_SDMMC:
+	case CLK_SDIO:
+	case HCLK_SDIO:
+	case CLK_EMMC:
+	case HCLK_EMMC:
+	case SCLK_EMMC_SAMPLE:
+		rate = rv1126_mmc_get_clk(priv, clk->id);
+		break;
+	case SCLK_SFC:
+		rate = rv1126_sfc_get_clk(priv);
+		break;
+	case CLK_NANDC:
+		rate = rv1126_nand_get_clk(priv);
+		break;
+	case ACLK_PDVO:
+	case ACLK_VOP:
+		rate = rv1126_aclk_vop_get_clk(priv);
+		break;
+	case DCLK_VOP:
+		rate = rv1126_dclk_vop_get_clk(priv);
+		break;
+	case CLK_SCR1_CORE:
+		rate = rv1126_scr1_get_clk(priv);
+		break;
+	case CLK_GMAC_SRC:
+		rate = rv1126_gmac_src_get_clk(priv);
+		break;
+	case CLK_GMAC_ETHERNET_OUT:
+		rate = rv1126_gmac_out_get_clk(priv);
+		break;
+	case PCLK_GMAC:
+		rate = rv1126_pclk_gmac_get_clk(priv);
+		break;
+	case DCLK_DECOM:
+		rate = rv1126_dclk_decom_get_clk(priv);
+		break;
+	default:
+		debug("%s: Unsupported CLK#%ld\n", __func__, clk->id);
+		return -ENOENT;
+	}
+
+	return rate;
+};
+
+static ulong rv1126_clk_set_rate(struct clk *clk, ulong rate)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(clk->dev);
+	ulong ret = 0;
+
+	if (!priv->gpll_hz) {
+		printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
+		return -ENOENT;
+	}
+
+	switch (clk->id) {
+	case PLL_APLL:
+	case ARMCLK:
+		if (priv->armclk_hz)
+			rv1126_armclk_set_clk(priv, rate);
+		priv->armclk_hz = rate;
+		break;
+	case PLL_CPLL:
+		ret = rockchip_pll_set_rate(&rv1126_pll_clks[CPLL], priv->cru,
+					    CPLL, rate);
+		break;
+	case PLL_HPLL:
+		ret = rockchip_pll_set_rate(&rv1126_pll_clks[HPLL], priv->cru,
+					    HPLL, rate);
+		break;
+	case ACLK_PDBUS:
+	case HCLK_PDBUS:
+	case PCLK_PDBUS:
+	case PCLK_WDT:
+		ret = rv1126_pdbus_set_clk(priv, clk->id, rate);
+		break;
+	case ACLK_PDPHP:
+	case HCLK_PDPHP:
+		ret = rv1126_pdphp_set_clk(priv, clk->id, rate);
+		break;
+	case HCLK_PDCORE_NIU:
+		ret = rv1126_pdcore_set_clk(priv, rate);
+		break;
+	case HCLK_PDAUDIO:
+		ret = rv1126_pdaudio_set_clk(priv, rate);
+		break;
+	case CLK_I2C1:
+	case CLK_I2C3:
+	case CLK_I2C4:
+	case CLK_I2C5:
+		ret = rv1126_i2c_set_clk(priv, clk->id, rate);
+		break;
+	case CLK_SPI1:
+		ret = rv1126_spi_set_clk(priv, rate);
+		break;
+	case CLK_PWM2:
+		ret = rv1126_pwm_set_clk(priv, rate);
+		break;
+	case CLK_SARADC:
+		ret = rv1126_saradc_set_clk(priv, rate);
+		break;
+	case CLK_CRYPTO_CORE:
+	case CLK_CRYPTO_PKA:
+	case ACLK_CRYPTO:
+		ret = rv1126_crypto_set_clk(priv, clk->id, rate);
+		break;
+	case CLK_SDMMC:
+	case HCLK_SDMMC:
+	case CLK_SDIO:
+	case HCLK_SDIO:
+	case CLK_EMMC:
+	case HCLK_EMMC:
+		ret = rv1126_mmc_set_clk(priv, clk->id, rate);
+		break;
+	case SCLK_SFC:
+		ret = rv1126_sfc_set_clk(priv, rate);
+		break;
+	case CLK_NANDC:
+		ret = rv1126_nand_set_clk(priv, rate);
+		break;
+	case ACLK_PDVO:
+	case ACLK_VOP:
+		ret = rv1126_aclk_vop_set_clk(priv, rate);
+		break;
+	case DCLK_VOP:
+		ret = rv1126_dclk_vop_set_clk(priv, rate);
+		break;
+	case CLK_SCR1_CORE:
+		ret = rv1126_scr1_set_clk(priv, rate);
+		break;
+	case CLK_GMAC_SRC:
+		ret = rv1126_gmac_src_set_clk(priv, rate);
+		break;
+	case CLK_GMAC_ETHERNET_OUT:
+		ret = rv1126_gmac_out_set_clk(priv, rate);
+		break;
+	case CLK_GMAC_TX_RX:
+		ret = rv1126_gmac_tx_rx_set_clk(priv, rate);
+		break;
+	case DCLK_DECOM:
+		ret = rv1126_dclk_decom_set_clk(priv, rate);
+		break;
+	default:
+		debug("%s: Unsupported CLK#%ld\n", __func__, clk->id);
+		return -ENOENT;
+	}
+
+	return ret;
+};
+
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+static int rv1126_gmac_src_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(clk->dev);
+	struct rv1126_grf *grf = priv->grf;
+
+	if (parent->id == CLK_GMAC_SRC_M0)
+		rk_clrsetreg(&grf->iofunc_con1, GMAC_SRC_SEL_MASK,
+			     GMAC_SRC_SEL_M0 << GMAC_SRC_SEL_SHIFT);
+	else if (parent->id == CLK_GMAC_SRC_M1)
+		rk_clrsetreg(&grf->iofunc_con1, GMAC_SRC_SEL_MASK,
+			     GMAC_SRC_SEL_M1 << GMAC_SRC_SEL_SHIFT);
+
+	return 0;
+}
+
+static int rv1126_gmac_src_m0_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(clk->dev);
+	struct rv1126_cru *cru = priv->cru;
+
+	if (parent->id == CLK_GMAC_DIV)
+		rk_clrsetreg(&cru->gmac_con, GMAC_SRC_M0_SEL_MASK,
+			     GMAC_SRC_M0_SEL_INT << GMAC_SRC_M0_SEL_SHIFT);
+	else
+		rk_clrsetreg(&cru->gmac_con, GMAC_SRC_M0_SEL_MASK,
+			     GMAC_SRC_M0_SEL_EXT << GMAC_SRC_M0_SEL_SHIFT);
+
+	return 0;
+}
+
+static int rv1126_gmac_src_m1_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(clk->dev);
+	struct rv1126_cru *cru = priv->cru;
+
+	if (parent->id == CLK_GMAC_DIV)
+		rk_clrsetreg(&cru->gmac_con, GMAC_SRC_M1_SEL_MASK,
+			     GMAC_SRC_M1_SEL_INT << GMAC_SRC_M1_SEL_SHIFT);
+	else
+		rk_clrsetreg(&cru->gmac_con, GMAC_SRC_M1_SEL_MASK,
+			     GMAC_SRC_M1_SEL_EXT << GMAC_SRC_M1_SEL_SHIFT);
+
+	return 0;
+}
+
+static int rv1126_gmac_tx_rx_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(clk->dev);
+	struct rv1126_cru *cru = priv->cru;
+
+	if (parent->id == RGMII_MODE_CLK)
+		rk_clrsetreg(&cru->gmac_con, GMAC_MODE_SEL_MASK,
+			     GMAC_RGMII_MODE << GMAC_MODE_SEL_SHIFT);
+	else
+		rk_clrsetreg(&cru->gmac_con, GMAC_MODE_SEL_MASK,
+			     GMAC_RMII_MODE << GMAC_MODE_SEL_SHIFT);
+
+	return 0;
+}
+
+static int rv1126_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	switch (clk->id) {
+	case CLK_GMAC_SRC:
+		return rv1126_gmac_src_set_parent(clk, parent);
+	case CLK_GMAC_SRC_M0:
+		return rv1126_gmac_src_m0_set_parent(clk, parent);
+	case CLK_GMAC_SRC_M1:
+		return rv1126_gmac_src_m1_set_parent(clk, parent);
+	case CLK_GMAC_TX_RX:
+		return rv1126_gmac_tx_rx_set_parent(clk, parent);
+	default:
+		return -ENOENT;
+	}
+
+	return 0;
+}
+#endif
+
+static struct clk_ops rv1126_clk_ops = {
+	.get_rate = rv1126_clk_get_rate,
+	.set_rate = rv1126_clk_set_rate,
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+	.set_parent = rv1126_clk_set_parent,
+#endif
+};
+
+static ulong rv1126_gpll_set_rate(struct rv1126_clk_priv *priv,
+				  struct rv1126_pmuclk_priv *pmu_priv,
+				  ulong rate)
+{
+	ulong emmc_rate, sfc_rate, nandc_rate;
+	bool restore = false;
+
+	if (priv->gpll_hz != OSC_HZ) {
+		emmc_rate = rv1126_mmc_get_clk(priv, CLK_EMMC);
+		sfc_rate = rv1126_sfc_get_clk(priv);
+		nandc_rate = rv1126_nand_get_clk(priv);
+		debug("%s emmc=%lu, sfc=%lu, nandc=%lu\n", __func__,
+		      emmc_rate, sfc_rate, nandc_rate);
+		restore = true;
+	}
+
+	/*
+	 * the child div is big enough for gpll 1188MHz,
+	 * even maskrom has change some clocks.
+	 */
+	if (rockchip_pll_set_rate(&rv1126_pll_clks[GPLL],
+				  pmu_priv->pmucru, GPLL, rate))
+		return -EINVAL;
+	pmu_priv->gpll_hz = rate;
+	priv->gpll_hz = rate;
+
+	if (restore) {
+		rv1126_mmc_set_clk(priv, CLK_EMMC, emmc_rate);
+		rv1126_sfc_set_clk(priv,  sfc_rate);
+		rv1126_nand_set_clk(priv, nandc_rate);
+	}
+
+	return 0;
+}
+
+static int rv1126_gpll_set_clk(struct rv1126_clk_priv *priv, ulong rate)
+{
+	struct udevice *pmucru_dev;
+	struct rv1126_pmuclk_priv *pmu_priv;
+	int ret;
+
+	ret = uclass_get_device_by_driver(UCLASS_CLK,
+					  DM_DRIVER_GET(rockchip_rv1126_pmucru),
+					  &pmucru_dev);
+	if (ret) {
+		printf("%s: could not find pmucru device\n", __func__);
+		return ret;
+	}
+	pmu_priv = dev_get_priv(pmucru_dev);
+	priv->gpll_hz = pmu_priv->gpll_hz;
+
+	if (rv1126_gpll_set_rate(priv, pmu_priv, rate)) {
+		printf("%s: failed to set gpll rate %lu\n", __func__, rate);
+		return -EINVAL;
+	}
+
+	rv1126_pdpmu_set_pmuclk(pmu_priv, PCLK_PDPMU_HZ);
+	rv1126_rtc32k_set_pmuclk(pmu_priv, CLK_OSC0_DIV_HZ);
+
+	return 0;
+}
+
+static void rv1126_clk_init(struct rv1126_clk_priv *priv)
+{
+	int ret;
+
+	priv->sync_kernel = false;
+	if (!priv->armclk_enter_hz) {
+		priv->armclk_enter_hz =
+			rockchip_pll_get_rate(&rv1126_pll_clks[APLL],
+					      priv->cru, APLL);
+		priv->armclk_init_hz = priv->armclk_enter_hz;
+	}
+
+	if (priv->armclk_init_hz != APLL_HZ) {
+		ret = rv1126_armclk_set_clk(priv, APLL_HZ);
+		if (!ret)
+			priv->armclk_init_hz = APLL_HZ;
+	}
+	if (priv->cpll_hz != CPLL_HZ) {
+		ret = rockchip_pll_set_rate(&rv1126_pll_clks[CPLL], priv->cru,
+					    CPLL, CPLL_HZ);
+		if (!ret)
+			priv->cpll_hz = CPLL_HZ;
+	}
+	if (priv->hpll_hz != HPLL_HZ) {
+		ret = rockchip_pll_set_rate(&rv1126_pll_clks[HPLL], priv->cru,
+					    HPLL, HPLL_HZ);
+		if (!ret)
+			priv->hpll_hz = HPLL_HZ;
+	}
+	if (priv->gpll_hz != GPLL_HZ)
+		rv1126_gpll_set_clk(priv, GPLL_HZ);
+
+	rv1126_pdbus_set_clk(priv, ACLK_PDBUS, ACLK_PDBUS_HZ);
+	rv1126_pdbus_set_clk(priv, HCLK_PDBUS, HCLK_PDBUS_HZ);
+	rv1126_pdbus_set_clk(priv, PCLK_PDBUS, PCLK_PDBUS_HZ);
+	rv1126_pdphp_set_clk(priv, ACLK_PDPHP, ACLK_PDPHP_HZ);
+	rv1126_pdphp_set_clk(priv, HCLK_PDPHP, HCLK_PDPHP_HZ);
+	rv1126_pdcore_set_clk(priv, HCLK_PDCORE_HZ);
+	rv1126_pdaudio_set_clk(priv, HCLK_PDAUDIO_HZ);
+}
+
+static int rv1126_clk_probe(struct udevice *dev)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(dev);
+	int ret;
+
+	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+	if (IS_ERR(priv->grf))
+		return PTR_ERR(priv->grf);
+
+	rv1126_clk_init(priv);
+
+	/* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */
+	ret = clk_set_defaults(dev, 1);
+	if (ret)
+		debug("%s clk_set_defaults failed %d\n", __func__, ret);
+	else
+		priv->sync_kernel = true;
+
+	return 0;
+}
+
+static int rv1126_clk_of_to_plat(struct udevice *dev)
+{
+	struct rv1126_clk_priv *priv = dev_get_priv(dev);
+
+	priv->cru = dev_read_addr_ptr(dev);
+
+	return 0;
+}
+
+static int rv1126_clk_bind(struct udevice *dev)
+{
+	int ret;
+	struct udevice *sys_child;
+	struct sysreset_reg *priv;
+
+	/* The reset driver does not have a device node, so bind it here */
+	ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset",
+				 &sys_child);
+	if (ret) {
+		debug("Warning: No sysreset driver: ret=%d\n", ret);
+	} else {
+		priv = malloc(sizeof(struct sysreset_reg));
+		priv->glb_srst_fst_value = offsetof(struct rv1126_cru,
+						    glb_srst_fst);
+		priv->glb_srst_snd_value = offsetof(struct rv1126_cru,
+						    glb_srst_snd);
+		dev_set_priv(sys_child, priv);
+	}
+
+#if CONFIG_IS_ENABLED(RESET_ROCKCHIP)
+	ret = offsetof(struct rv1126_cru, softrst_con[0]);
+	ret = rockchip_reset_bind(dev, ret, 15);
+	if (ret)
+		debug("Warning: software reset driver bind faile\n");
+#endif
+	return 0;
+}
+
+static const struct udevice_id rv1126_clk_ids[] = {
+	{ .compatible = "rockchip,rv1126-cru" },
+	{ }
+};
+
+U_BOOT_DRIVER(rockchip_rv1126_cru) = {
+	.name		= "rockchip_rv1126_cru",
+	.id		= UCLASS_CLK,
+	.of_match	= rv1126_clk_ids,
+	.priv_auto	= sizeof(struct rv1126_clk_priv),
+	.of_to_plat	= rv1126_clk_of_to_plat,
+	.ops		= &rv1126_clk_ops,
+	.bind		= rv1126_clk_bind,
+	.probe		= rv1126_clk_probe,
+};