[U-Boot] [PATCH v2 2/9] rockchip: clk: Add clk driver for rk3308

Kever Yang kever.yang at rock-chips.com
Thu Nov 7 09:31:10 UTC 2019


On 2019/10/30 下午4:11, Andy Yan wrote:
> From: Finley Xiao <finley.xiao at rock-chips.com>
>
> Add clk controller driver for RK3308 SOC.
>
> Signed-off-by: Andy Yan <andy.yan at rock-chips.com>

Reviewed-by: Kever Yang<kever.yang at rock-chips.com>


Thanks,
- Kever
> ---
>
> Changes in v2: None
>
>   drivers/clk/rockchip/Makefile          |    1 +
>   drivers/clk/rockchip/clk_rk3308.c      | 1078 ++++++++++++++++++++++++
>   include/dt-bindings/clock/rk3308-cru.h |  387 +++++++++
>   3 files changed, 1466 insertions(+)
>   create mode 100644 drivers/clk/rockchip/clk_rk3308.c
>   create mode 100644 include/dt-bindings/clock/rk3308-cru.h
>
> diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
> index 03a9fa77ba..f2068a8e94 100644
> --- a/drivers/clk/rockchip/Makefile
> +++ b/drivers/clk/rockchip/Makefile
> @@ -9,6 +9,7 @@ obj-$(CONFIG_ROCKCHIP_RK3128) += clk_rk3128.o
>   obj-$(CONFIG_ROCKCHIP_RK3188) += clk_rk3188.o
>   obj-$(CONFIG_ROCKCHIP_RK322X) += clk_rk322x.o
>   obj-$(CONFIG_ROCKCHIP_RK3288) += clk_rk3288.o
> +obj-$(CONFIG_ROCKCHIP_RK3308) += clk_rk3308.o
>   obj-$(CONFIG_ROCKCHIP_RK3328) += clk_rk3328.o
>   obj-$(CONFIG_ROCKCHIP_RK3368) += clk_rk3368.o
>   obj-$(CONFIG_ROCKCHIP_RK3399) += clk_rk3399.o
> diff --git a/drivers/clk/rockchip/clk_rk3308.c b/drivers/clk/rockchip/clk_rk3308.c
> new file mode 100644
> index 0000000000..e4e213d463
> --- /dev/null
> +++ b/drivers/clk/rockchip/clk_rk3308.c
> @@ -0,0 +1,1078 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * (C) Copyright 2017 Rockchip Electronics Co., Ltd
> + */
> +#include <common.h>
> +#include <bitfield.h>
> +#include <clk-uclass.h>
> +#include <dm.h>
> +#include <div64.h>
> +#include <errno.h>
> +#include <syscon.h>
> +#include <asm/io.h>
> +#include <asm/arch/cru_rk3308.h>
> +#include <asm/arch-rockchip/clock.h>
> +#include <asm/arch-rockchip/hardware.h>
> +#include <dm/lists.h>
> +#include <dt-bindings/clock/rk3308-cru.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +enum {
> +	VCO_MAX_HZ	= 3200U * 1000000,
> +	VCO_MIN_HZ	= 800 * 1000000,
> +	OUTPUT_MAX_HZ	= 3200U * 1000000,
> +	OUTPUT_MIN_HZ	= 24 * 1000000,
> +};
> +
> +#define DIV_TO_RATE(input_rate, div)    ((input_rate) / ((div) + 1))
> +
> +#define RK3308_CPUCLK_RATE(_rate, _aclk_div, _pclk_div)         \
> +{                                                               \
> +	.rate   = _rate##U,                                     \
> +	.aclk_div = _aclk_div,                                  \
> +	.pclk_div = _pclk_div,                                  \
> +}
> +
> +static struct rockchip_pll_rate_table rk3308_pll_rates[] = {
> +	/* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
> +	RK3036_PLL_RATE(1300000000, 6, 325, 1, 1, 1, 0),
> +	RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0),
> +	RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
> +	RK3036_PLL_RATE(748000000, 2, 187, 3, 1, 1, 0),
> +};
> +
> +static struct rockchip_cpu_rate_table rk3308_cpu_rates[] = {
> +	RK3308_CPUCLK_RATE(1200000000, 1, 5),
> +	RK3308_CPUCLK_RATE(1008000000, 1, 5),
> +	RK3308_CPUCLK_RATE(816000000, 1, 3),
> +	RK3308_CPUCLK_RATE(600000000, 1, 3),
> +	RK3308_CPUCLK_RATE(408000000, 1, 1),
> +};
> +
> +static struct rockchip_pll_clock rk3308_pll_clks[] = {
> +	[APLL] = PLL(pll_rk3328, PLL_APLL, RK3308_PLL_CON(0),
> +		     RK3308_MODE_CON, 0, 10, 0, rk3308_pll_rates),
> +	[DPLL] = PLL(pll_rk3328, PLL_DPLL, RK3308_PLL_CON(8),
> +		     RK3308_MODE_CON, 2, 10, 0, NULL),
> +	[VPLL0] = PLL(pll_rk3328, PLL_VPLL0, RK3308_PLL_CON(16),
> +		      RK3308_MODE_CON, 4, 10, 0, NULL),
> +	[VPLL1] = PLL(pll_rk3328, PLL_VPLL1, RK3308_PLL_CON(24),
> +		      RK3308_MODE_CON, 6, 10, 0, NULL),
> +};
> +
> +static ulong rk3308_armclk_set_clk(struct rk3308_clk_priv *priv, ulong hz)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	const struct rockchip_cpu_rate_table *rate;
> +	ulong old_rate;
> +
> +	rate = rockchip_get_cpu_settings(rk3308_cpu_rates, hz);
> +	if (!rate) {
> +		printf("%s unsupport rate\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	/*
> +	 * select apll as cpu/core clock pll source and
> +	 * set up dependent divisors for PERI and ACLK clocks.
> +	 * core hz : apll = 1:1
> +	 */
> +	old_rate = rockchip_pll_get_rate(&rk3308_pll_clks[APLL],
> +					 priv->cru, APLL);
> +	if (old_rate > hz) {
> +		if (rockchip_pll_set_rate(&rk3308_pll_clks[APLL],
> +					  priv->cru, APLL, hz))
> +			return -EINVAL;
> +		rk_clrsetreg(&cru->clksel_con[0],
> +			     CORE_CLK_PLL_SEL_MASK | CORE_DIV_CON_MASK |
> +			     CORE_ACLK_DIV_MASK | CORE_DBG_DIV_MASK,
> +			     rate->aclk_div << CORE_ACLK_DIV_SHIFT |
> +			     rate->pclk_div << CORE_DBG_DIV_SHIFT |
> +			     CORE_CLK_PLL_SEL_APLL << CORE_CLK_PLL_SEL_SHIFT |
> +			     0 << CORE_DIV_CON_SHIFT);
> +	} else if (old_rate < hz) {
> +		rk_clrsetreg(&cru->clksel_con[0],
> +			     CORE_CLK_PLL_SEL_MASK | CORE_DIV_CON_MASK |
> +			     CORE_ACLK_DIV_MASK | CORE_DBG_DIV_MASK,
> +			     rate->aclk_div << CORE_ACLK_DIV_SHIFT |
> +			     rate->pclk_div << CORE_DBG_DIV_SHIFT |
> +			     CORE_CLK_PLL_SEL_APLL << CORE_CLK_PLL_SEL_SHIFT |
> +			     0 << CORE_DIV_CON_SHIFT);
> +		if (rockchip_pll_set_rate(&rk3308_pll_clks[APLL],
> +					  priv->cru, APLL, hz))
> +			return -EINVAL;
> +	}
> +
> +	return rockchip_pll_get_rate(&rk3308_pll_clks[APLL], priv->cru, APLL);
> +}
> +
> +static void rk3308_clk_get_pll_rate(struct rk3308_clk_priv *priv)
> +{
> +	if (!priv->dpll_hz)
> +		priv->dpll_hz = rockchip_pll_get_rate(&rk3308_pll_clks[DPLL],
> +						      priv->cru, DPLL);
> +	if (!priv->vpll0_hz)
> +		priv->vpll0_hz = rockchip_pll_get_rate(&rk3308_pll_clks[VPLL0],
> +						       priv->cru, VPLL0);
> +	if (!priv->vpll1_hz)
> +		priv->vpll1_hz = rockchip_pll_get_rate(&rk3308_pll_clks[VPLL1],
> +						       priv->cru, VPLL1);
> +}
> +
> +static ulong rk3308_i2c_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, con_id;
> +
> +	switch (clk->id) {
> +	case SCLK_I2C0:
> +		con_id = 25;
> +		break;
> +	case SCLK_I2C1:
> +		con_id = 26;
> +		break;
> +	case SCLK_I2C2:
> +		con_id = 27;
> +		break;
> +	case SCLK_I2C3:
> +		con_id = 28;
> +		break;
> +	default:
> +		printf("do not support this i2c bus\n");
> +		return -EINVAL;
> +	}
> +
> +	con = readl(&cru->clksel_con[con_id]);
> +	div = con >> CLK_I2C_DIV_CON_SHIFT & CLK_I2C_DIV_CON_MASK;
> +
> +	return DIV_TO_RATE(priv->dpll_hz, div);
> +}
> +
> +static ulong rk3308_i2c_set_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 src_clk_div, con_id;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->dpll_hz, hz);
> +	assert(src_clk_div - 1 <= 127);
> +
> +	switch (clk->id) {
> +	case SCLK_I2C0:
> +		con_id = 25;
> +		break;
> +	case SCLK_I2C1:
> +		con_id = 26;
> +		break;
> +	case SCLK_I2C2:
> +		con_id = 27;
> +		break;
> +	case SCLK_I2C3:
> +		con_id = 28;
> +		break;
> +	default:
> +		printf("do not support this i2c bus\n");
> +		return -EINVAL;
> +	}
> +	rk_clrsetreg(&cru->clksel_con[con_id],
> +		     CLK_I2C_PLL_SEL_MASK | CLK_I2C_DIV_CON_MASK,
> +		     CLK_I2C_PLL_SEL_DPLL << CLK_I2C_PLL_SEL_SHIFT |
> +		     (src_clk_div - 1) << CLK_I2C_DIV_CON_SHIFT);
> +
> +	return rk3308_i2c_get_clk(clk);
> +}
> +
> +static ulong rk3308_mac_set_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 con = readl(&cru->clksel_con[43]);
> +	ulong pll_rate;
> +	u8 div;
> +
> +	if ((con >> MAC_PLL_SHIFT) & MAC_SEL_VPLL0)
> +		pll_rate = rockchip_pll_get_rate(&rk3308_pll_clks[VPLL0],
> +						 priv->cru, VPLL0);
> +	else if ((con >> MAC_PLL_SHIFT) & MAC_SEL_VPLL1)
> +		pll_rate = rockchip_pll_get_rate(&rk3308_pll_clks[VPLL1],
> +						 priv->cru, VPLL1);
> +	else
> +		pll_rate = rockchip_pll_get_rate(&rk3308_pll_clks[DPLL],
> +						 priv->cru, DPLL);
> +
> +	/*default set 50MHZ for gmac*/
> +	if (!hz)
> +		hz = 50000000;
> +
> +	div = DIV_ROUND_UP(pll_rate, hz) - 1;
> +	assert(div < 32);
> +	rk_clrsetreg(&cru->clksel_con[43], MAC_DIV_MASK,
> +		     div << MAC_DIV_SHIFT);
> +
> +	return DIV_TO_RATE(pll_rate, div);
> +}
> +
> +static int rk3308_mac_set_speed_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +
> +	if (hz != 2500000 && hz != 25000000) {
> +		debug("Unsupported mac speed:%d\n", hz);
> +		return -EINVAL;
> +	}
> +
> +	rk_clrsetreg(&cru->clksel_con[43], MAC_CLK_SPEED_SEL_MASK,
> +		     ((hz == 2500000) ? 0 : 1) << MAC_CLK_SPEED_SEL_SHIFT);
> +
> +	return 0;
> +}
> +
> +static ulong rk3308_mmc_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, con_id;
> +
> +	switch (clk->id) {
> +	case HCLK_SDMMC:
> +	case SCLK_SDMMC:
> +		con_id = 39;
> +		break;
> +	case HCLK_EMMC:
> +	case SCLK_EMMC:
> +	case SCLK_EMMC_SAMPLE:
> +		con_id = 41;
> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +
> +	con = readl(&cru->clksel_con[con_id]);
> +	div = (con & EMMC_DIV_MASK) >> EMMC_DIV_SHIFT;
> +
> +	if ((con & EMMC_PLL_MASK) >> EMMC_PLL_SHIFT
> +	    == EMMC_SEL_24M)
> +		return DIV_TO_RATE(OSC_HZ, div) / 2;
> +	else
> +		return DIV_TO_RATE(priv->vpll0_hz, div) / 2;
> +}
> +
> +static ulong rk3308_mmc_set_clk(struct clk *clk, ulong set_rate)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +	u32 con_id;
> +
> +	switch (clk->id) {
> +	case HCLK_SDMMC:
> +	case SCLK_SDMMC:
> +		con_id = 39;
> +		break;
> +	case HCLK_EMMC:
> +	case SCLK_EMMC:
> +		con_id = 41;
> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +	/* Select clk_sdmmc/emmc source from VPLL0 by default */
> +	/* mmc clock defaulg div 2 internal, need provide double in cru */
> +	src_clk_div = DIV_ROUND_UP(priv->vpll0_hz / 2, set_rate);
> +
> +	if (src_clk_div > 127) {
> +		/* use 24MHz source for 400KHz clock */
> +		src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate);
> +		rk_clrsetreg(&cru->clksel_con[con_id],
> +			     EMMC_PLL_MASK | EMMC_DIV_MASK | EMMC_CLK_SEL_MASK,
> +			     EMMC_CLK_SEL_EMMC << EMMC_CLK_SEL_SHIFT |
> +			     EMMC_SEL_24M << EMMC_PLL_SHIFT |
> +			     (src_clk_div - 1) << EMMC_DIV_SHIFT);
> +	} else {
> +		rk_clrsetreg(&cru->clksel_con[con_id],
> +			     EMMC_PLL_MASK | EMMC_DIV_MASK | EMMC_CLK_SEL_MASK,
> +			     EMMC_CLK_SEL_EMMC << EMMC_CLK_SEL_SHIFT |
> +			     EMMC_SEL_VPLL0 << EMMC_PLL_SHIFT |
> +			     (src_clk_div - 1) << EMMC_DIV_SHIFT);
> +	}
> +
> +	return rk3308_mmc_get_clk(clk);
> +}
> +
> +static ulong rk3308_saradc_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con;
> +
> +	con = readl(&cru->clksel_con[34]);
> +	div = con >> CLK_SARADC_DIV_CON_SHIFT & CLK_SARADC_DIV_CON_MASK;
> +
> +	return DIV_TO_RATE(OSC_HZ, div);
> +}
> +
> +static ulong rk3308_saradc_set_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(OSC_HZ, hz);
> +	assert(src_clk_div - 1 <= 2047);
> +
> +	rk_clrsetreg(&cru->clksel_con[34],
> +		     CLK_SARADC_DIV_CON_MASK,
> +		     (src_clk_div - 1) << CLK_SARADC_DIV_CON_SHIFT);
> +
> +	return rk3308_saradc_get_clk(clk);
> +}
> +
> +static ulong rk3308_tsadc_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con;
> +
> +	con = readl(&cru->clksel_con[33]);
> +	div = con >> CLK_SARADC_DIV_CON_SHIFT & CLK_SARADC_DIV_CON_MASK;
> +
> +	return DIV_TO_RATE(OSC_HZ, div);
> +}
> +
> +static ulong rk3308_tsadc_set_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(OSC_HZ, hz);
> +	assert(src_clk_div - 1 <= 2047);
> +
> +	rk_clrsetreg(&cru->clksel_con[33],
> +		     CLK_SARADC_DIV_CON_MASK,
> +		     (src_clk_div - 1) << CLK_SARADC_DIV_CON_SHIFT);
> +
> +	return rk3308_tsadc_get_clk(clk);
> +}
> +
> +static ulong rk3308_spi_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, con_id;
> +
> +	switch (clk->id) {
> +	case SCLK_SPI0:
> +		con_id = 30;
> +		break;
> +	case SCLK_SPI1:
> +		con_id = 31;
> +		break;
> +	case SCLK_SPI2:
> +		con_id = 32;
> +		break;
> +	default:
> +		printf("do not support this spi bus\n");
> +		return -EINVAL;
> +	}
> +
> +	con = readl(&cru->clksel_con[con_id]);
> +	div = con >> CLK_SPI_DIV_CON_SHIFT & CLK_SPI_DIV_CON_MASK;
> +
> +	return DIV_TO_RATE(priv->dpll_hz, div);
> +}
> +
> +static ulong rk3308_spi_set_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 src_clk_div, con_id;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->dpll_hz, hz);
> +	assert(src_clk_div - 1 <= 127);
> +
> +	switch (clk->id) {
> +	case SCLK_SPI0:
> +		con_id = 30;
> +		break;
> +	case SCLK_SPI1:
> +		con_id = 31;
> +		break;
> +	case SCLK_SPI2:
> +		con_id = 32;
> +		break;
> +	default:
> +		printf("do not support this spi bus\n");
> +		return -EINVAL;
> +	}
> +
> +	rk_clrsetreg(&cru->clksel_con[con_id],
> +		     CLK_SPI_PLL_SEL_MASK | CLK_SPI_DIV_CON_MASK,
> +		     CLK_SPI_PLL_SEL_DPLL << CLK_SPI_PLL_SEL_SHIFT |
> +		     (src_clk_div - 1) << CLK_SPI_DIV_CON_SHIFT);
> +
> +	return rk3308_spi_get_clk(clk);
> +}
> +
> +static ulong rk3308_pwm_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con;
> +
> +	con = readl(&cru->clksel_con[29]);
> +	div = con >> CLK_PWM_DIV_CON_SHIFT & CLK_PWM_DIV_CON_MASK;
> +
> +	return DIV_TO_RATE(priv->dpll_hz, div);
> +}
> +
> +static ulong rk3308_pwm_set_clk(struct clk *clk, uint hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->dpll_hz, hz);
> +	assert(src_clk_div - 1 <= 127);
> +
> +	rk_clrsetreg(&cru->clksel_con[29],
> +		     CLK_PWM_PLL_SEL_MASK | CLK_PWM_DIV_CON_MASK,
> +		     CLK_PWM_PLL_SEL_DPLL << CLK_PWM_PLL_SEL_SHIFT |
> +		     (src_clk_div - 1) << CLK_PWM_DIV_CON_SHIFT);
> +
> +	return rk3308_pwm_get_clk(clk);
> +}
> +
> +static ulong rk3308_vop_get_clk(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, pll_sel, vol_sel, con, parent;
> +
> +	con = readl(&cru->clksel_con[8]);
> +	vol_sel = (con & DCLK_VOP_SEL_MASK) >> DCLK_VOP_SEL_SHIFT;
> +	pll_sel = (con & DCLK_VOP_PLL_SEL_MASK) >> DCLK_VOP_PLL_SEL_SHIFT;
> +	div = con & DCLK_VOP_DIV_MASK;
> +
> +	if (vol_sel == DCLK_VOP_SEL_24M) {
> +		parent = OSC_HZ;
> +	} else if (vol_sel == DCLK_VOP_SEL_DIVOUT) {
> +		switch (pll_sel) {
> +		case DCLK_VOP_PLL_SEL_DPLL:
> +			parent = priv->dpll_hz;
> +			break;
> +		case DCLK_VOP_PLL_SEL_VPLL0:
> +			parent = priv->vpll0_hz;
> +			break;
> +		case DCLK_VOP_PLL_SEL_VPLL1:
> +			parent = priv->vpll0_hz;
> +			break;
> +		default:
> +			printf("do not support this vop pll sel\n");
> +			return -EINVAL;
> +		}
> +	} else {
> +		printf("do not support this vop sel\n");
> +		return -EINVAL;
> +	}
> +
> +	return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3308_vop_set_clk(struct clk *clk, ulong hz)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	struct rk3308_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_PLL_SEL_VPLL1; i++) {
> +		switch (i) {
> +		case DCLK_VOP_PLL_SEL_DPLL:
> +			pll_rate = priv->dpll_hz;
> +			break;
> +		case DCLK_VOP_PLL_SEL_VPLL0:
> +			pll_rate = priv->vpll0_hz;
> +			break;
> +		case DCLK_VOP_PLL_SEL_VPLL1:
> +			pll_rate = priv->vpll1_hz;
> +			break;
> +		default:
> +			printf("do not support this vop pll sel\n");
> +			return -EINVAL;
> +		}
> +
> +		div = DIV_ROUND_UP(pll_rate, hz);
> +		if (div > 255)
> +			continue;
> +		now = pll_rate / div;
> +		if (abs(hz - now) < abs(hz - 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 != hz && hz == OSC_HZ) {
> +		rk_clrsetreg(&cru->clksel_con[8],
> +			     DCLK_VOP_SEL_MASK,
> +			     DCLK_VOP_SEL_24M << DCLK_VOP_SEL_SHIFT);
> +	} else if (best_rate) {
> +		rk_clrsetreg(&cru->clksel_con[8],
> +			     DCLK_VOP_SEL_MASK | DCLK_VOP_PLL_SEL_MASK |
> +			     DCLK_VOP_DIV_MASK,
> +			     DCLK_VOP_SEL_DIVOUT << DCLK_VOP_SEL_SHIFT |
> +			     best_sel << DCLK_VOP_PLL_SEL_SHIFT |
> +			     (best_div - 1) << DCLK_VOP_DIV_SHIFT);
> +	} else {
> +		printf("do not support this vop freq\n");
> +		return -EINVAL;
> +	}
> +
> +	return rk3308_vop_get_clk(clk);
> +}
> +
> +static ulong rk3308_bus_get_clk(struct rk3308_clk_priv *priv, ulong clk_id)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, parent = priv->dpll_hz;
> +
> +	switch (clk_id) {
> +	case ACLK_BUS:
> +		con = readl(&cru->clksel_con[5]);
> +		div = (con & BUS_ACLK_DIV_MASK) >> BUS_ACLK_DIV_SHIFT;
> +		break;
> +	case HCLK_BUS:
> +		con = readl(&cru->clksel_con[6]);
> +		div = (con & BUS_HCLK_DIV_MASK) >> BUS_HCLK_DIV_SHIFT;
> +		break;
> +	case PCLK_BUS:
> +	case PCLK_WDT:
> +		con = readl(&cru->clksel_con[6]);
> +		div = (con & BUS_PCLK_DIV_MASK) >> BUS_PCLK_DIV_SHIFT;
> +		break;
> +	default:
> +		return -ENOENT;
> +	}
> +
> +	return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3308_bus_set_clk(struct rk3308_clk_priv *priv, ulong clk_id,
> +				ulong hz)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->dpll_hz, hz);
> +	assert(src_clk_div - 1 <= 31);
> +
> +	/*
> +	 * select dpll as pd_bus bus clock source and
> +	 * set up dependent divisors for PCLK/HCLK and ACLK clocks.
> +	 */
> +	switch (clk_id) {
> +	case ACLK_BUS:
> +		rk_clrsetreg(&cru->clksel_con[5],
> +			     BUS_PLL_SEL_MASK | BUS_ACLK_DIV_MASK,
> +			     BUS_PLL_SEL_DPLL << BUS_PLL_SEL_SHIFT |
> +			     (src_clk_div - 1) << BUS_ACLK_DIV_SHIFT);
> +		break;
> +	case HCLK_BUS:
> +		rk_clrsetreg(&cru->clksel_con[6],
> +			     BUS_HCLK_DIV_MASK,
> +			     (src_clk_div - 1) << BUS_HCLK_DIV_SHIFT);
> +		break;
> +	case PCLK_BUS:
> +		rk_clrsetreg(&cru->clksel_con[6],
> +			     BUS_PCLK_DIV_MASK,
> +			     (src_clk_div - 1) << BUS_PCLK_DIV_SHIFT);
> +		break;
> +	default:
> +		printf("do not support this bus freq\n");
> +		return -EINVAL;
> +	}
> +
> +	return rk3308_bus_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3308_peri_get_clk(struct rk3308_clk_priv *priv, ulong clk_id)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, parent = priv->dpll_hz;
> +
> +	switch (clk_id) {
> +	case ACLK_PERI:
> +		con = readl(&cru->clksel_con[36]);
> +		div = (con & PERI_ACLK_DIV_MASK) >> PERI_ACLK_DIV_SHIFT;
> +		break;
> +	case HCLK_PERI:
> +		con = readl(&cru->clksel_con[37]);
> +		div = (con & PERI_HCLK_DIV_MASK) >> PERI_HCLK_DIV_SHIFT;
> +		break;
> +	case PCLK_PERI:
> +		con = readl(&cru->clksel_con[37]);
> +		div = (con & PERI_PCLK_DIV_MASK) >> PERI_PCLK_DIV_SHIFT;
> +		break;
> +	default:
> +		return -ENOENT;
> +	}
> +
> +	return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3308_peri_set_clk(struct rk3308_clk_priv *priv, ulong clk_id,
> +				 ulong hz)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->dpll_hz, hz);
> +	assert(src_clk_div - 1 <= 31);
> +
> +	/*
> +	 * select dpll as pd_peri bus clock source and
> +	 * set up dependent divisors for PCLK/HCLK and ACLK clocks.
> +	 */
> +	switch (clk_id) {
> +	case ACLK_PERI:
> +		rk_clrsetreg(&cru->clksel_con[36],
> +			     PERI_PLL_SEL_MASK | PERI_ACLK_DIV_MASK,
> +			     PERI_PLL_DPLL << PERI_PLL_SEL_SHIFT |
> +			     (src_clk_div - 1) << PERI_ACLK_DIV_SHIFT);
> +		break;
> +	case HCLK_PERI:
> +		rk_clrsetreg(&cru->clksel_con[37],
> +			     PERI_HCLK_DIV_MASK,
> +			     (src_clk_div - 1) << PERI_HCLK_DIV_SHIFT);
> +		break;
> +	case PCLK_PERI:
> +		rk_clrsetreg(&cru->clksel_con[37],
> +			     PERI_PCLK_DIV_MASK,
> +			     (src_clk_div - 1) << PERI_PCLK_DIV_SHIFT);
> +		break;
> +	default:
> +		printf("do not support this peri freq\n");
> +		return -EINVAL;
> +	}
> +
> +	return rk3308_peri_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3308_audio_get_clk(struct rk3308_clk_priv *priv, ulong clk_id)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, parent = priv->vpll0_hz;
> +
> +	switch (clk_id) {
> +	case HCLK_AUDIO:
> +		con = readl(&cru->clksel_con[45]);
> +		div = (con & AUDIO_HCLK_DIV_MASK) >> AUDIO_HCLK_DIV_SHIFT;
> +		break;
> +	case PCLK_AUDIO:
> +		con = readl(&cru->clksel_con[45]);
> +		div = (con & AUDIO_PCLK_DIV_MASK) >> AUDIO_PCLK_DIV_SHIFT;
> +		break;
> +	default:
> +		return -ENOENT;
> +	}
> +
> +	return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3308_audio_set_clk(struct rk3308_clk_priv *priv, ulong clk_id,
> +				  ulong hz)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->vpll0_hz, hz);
> +	assert(src_clk_div - 1 <= 31);
> +
> +	/*
> +	 * select vpll0 as audio bus clock source and
> +	 * set up dependent divisors for HCLK and PCLK clocks.
> +	 */
> +	switch (clk_id) {
> +	case HCLK_AUDIO:
> +		rk_clrsetreg(&cru->clksel_con[45],
> +			     AUDIO_PLL_SEL_MASK | AUDIO_HCLK_DIV_MASK,
> +			     AUDIO_PLL_VPLL0 << AUDIO_PLL_SEL_SHIFT |
> +			     (src_clk_div - 1) << AUDIO_HCLK_DIV_SHIFT);
> +		break;
> +	case PCLK_AUDIO:
> +		rk_clrsetreg(&cru->clksel_con[45],
> +			     AUDIO_PLL_SEL_MASK | AUDIO_PCLK_DIV_MASK,
> +			     AUDIO_PLL_VPLL0 << AUDIO_PLL_SEL_SHIFT |
> +			     (src_clk_div - 1) << AUDIO_PCLK_DIV_SHIFT);
> +		break;
> +	default:
> +		printf("do not support this audio freq\n");
> +		return -EINVAL;
> +	}
> +
> +	return rk3308_peri_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3308_crypto_get_clk(struct rk3308_clk_priv *priv, ulong clk_id)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	u32 div, con, parent;
> +
> +	switch (clk_id) {
> +	case SCLK_CRYPTO:
> +		con = readl(&cru->clksel_con[7]);
> +		div = (con & CRYPTO_DIV_MASK) >> CRYPTO_DIV_SHIFT;
> +		parent = priv->vpll0_hz;
> +		break;
> +	case SCLK_CRYPTO_APK:
> +		con = readl(&cru->clksel_con[7]);
> +		div = (con & CRYPTO_APK_DIV_MASK) >> CRYPTO_APK_DIV_SHIFT;
> +		parent = priv->vpll0_hz;
> +		break;
> +	default:
> +		return -ENOENT;
> +	}
> +
> +	return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3308_crypto_set_clk(struct rk3308_clk_priv *priv, ulong clk_id,
> +				   ulong hz)
> +{
> +	struct rk3308_cru *cru = priv->cru;
> +	int src_clk_div;
> +
> +	src_clk_div = DIV_ROUND_UP(priv->vpll0_hz, hz);
> +	assert(src_clk_div - 1 <= 31);
> +
> +	/*
> +	 * select gpll as crypto clock source and
> +	 * set up dependent divisors for crypto clocks.
> +	 */
> +	switch (clk_id) {
> +	case SCLK_CRYPTO:
> +		rk_clrsetreg(&cru->clksel_con[7],
> +			     CRYPTO_PLL_SEL_MASK | CRYPTO_DIV_MASK,
> +			     CRYPTO_PLL_SEL_VPLL0 << CRYPTO_PLL_SEL_SHIFT |
> +			     (src_clk_div - 1) << CRYPTO_DIV_SHIFT);
> +		break;
> +	case SCLK_CRYPTO_APK:
> +		rk_clrsetreg(&cru->clksel_con[7],
> +			     CRYPTO_APK_PLL_SEL_MASK | CRYPTO_APK_DIV_MASK,
> +			     CRYPTO_PLL_SEL_VPLL0 << CRYPTO_APK_SEL_SHIFT |
> +			     (src_clk_div - 1) << CRYPTO_APK_DIV_SHIFT);
> +		break;
> +	default:
> +		printf("do not support this peri freq\n");
> +		return -EINVAL;
> +	}
> +
> +	return rk3308_crypto_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3308_clk_get_rate(struct clk *clk)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	ulong rate = 0;
> +
> +	debug("%s id:%ld\n", __func__, clk->id);
> +
> +	switch (clk->id) {
> +	case PLL_APLL:
> +	case ARMCLK:
> +		rate = rockchip_pll_get_rate(&rk3308_pll_clks[APLL],
> +					     priv->cru, APLL);
> +		break;
> +	case PLL_DPLL:
> +		rate = rockchip_pll_get_rate(&rk3308_pll_clks[DPLL],
> +					     priv->cru, DPLL);
> +		break;
> +	case PLL_VPLL0:
> +		rate = rockchip_pll_get_rate(&rk3308_pll_clks[VPLL0],
> +					     priv->cru, VPLL0);
> +		break;
> +	case PLL_VPLL1:
> +		rate = rockchip_pll_get_rate(&rk3308_pll_clks[VPLL1],
> +					     priv->cru, VPLL1);
> +		break;
> +	case HCLK_SDMMC:
> +	case HCLK_EMMC:
> +	case SCLK_SDMMC:
> +	case SCLK_EMMC:
> +	case SCLK_EMMC_SAMPLE:
> +		rate = rk3308_mmc_get_clk(clk);
> +		break;
> +	case SCLK_I2C0:
> +	case SCLK_I2C1:
> +	case SCLK_I2C2:
> +	case SCLK_I2C3:
> +		rate = rk3308_i2c_get_clk(clk);
> +		break;
> +	case SCLK_SARADC:
> +		rate = rk3308_saradc_get_clk(clk);
> +		break;
> +	case SCLK_TSADC:
> +		rate = rk3308_tsadc_get_clk(clk);
> +		break;
> +	case SCLK_SPI0:
> +	case SCLK_SPI1:
> +		rate = rk3308_spi_get_clk(clk);
> +		break;
> +	case SCLK_PWM0:
> +		rate = rk3308_pwm_get_clk(clk);
> +		break;
> +	case DCLK_VOP:
> +		rate = rk3308_vop_get_clk(clk);
> +		break;
> +	case ACLK_BUS:
> +	case HCLK_BUS:
> +	case PCLK_BUS:
> +	case PCLK_WDT:
> +		rate = rk3308_bus_get_clk(priv, clk->id);
> +		break;
> +	case ACLK_PERI:
> +	case HCLK_PERI:
> +	case PCLK_PERI:
> +		rate = rk3308_peri_get_clk(priv, clk->id);
> +		break;
> +	case HCLK_AUDIO:
> +	case PCLK_AUDIO:
> +		rate = rk3308_audio_get_clk(priv, clk->id);
> +		break;
> +	case SCLK_CRYPTO:
> +	case SCLK_CRYPTO_APK:
> +		rate = rk3308_crypto_get_clk(priv, clk->id);
> +		break;
> +	default:
> +		return -ENOENT;
> +	}
> +
> +	return rate;
> +}
> +
> +static ulong rk3308_clk_set_rate(struct clk *clk, ulong rate)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +	ulong ret = 0;
> +
> +	debug("%s %ld %ld\n", __func__, clk->id, rate);
> +
> +	switch (clk->id) {
> +	case PLL_DPLL:
> +		ret = rockchip_pll_set_rate(&rk3308_pll_clks[DPLL], priv->cru,
> +					    DPLL, rate);
> +		priv->dpll_hz = rockchip_pll_get_rate(&rk3308_pll_clks[DPLL],
> +						      priv->cru, DPLL);
> +		break;
> +	case ARMCLK:
> +		if (priv->armclk_hz)
> +			rk3308_armclk_set_clk(priv, rate);
> +		priv->armclk_hz = rate;
> +		break;
> +	case HCLK_SDMMC:
> +	case HCLK_EMMC:
> +	case SCLK_SDMMC:
> +	case SCLK_EMMC:
> +		ret = rk3308_mmc_set_clk(clk, rate);
> +		break;
> +	case SCLK_I2C0:
> +	case SCLK_I2C1:
> +	case SCLK_I2C2:
> +	case SCLK_I2C3:
> +		ret = rk3308_i2c_set_clk(clk, rate);
> +		break;
> +	case SCLK_MAC:
> +		ret = rk3308_mac_set_clk(clk, rate);
> +		break;
> +	case SCLK_MAC_RMII:
> +		ret = rk3308_mac_set_speed_clk(clk, rate);
> +		break;
> +	case SCLK_SARADC:
> +		ret = rk3308_saradc_set_clk(clk, rate);
> +		break;
> +	case SCLK_TSADC:
> +		ret = rk3308_tsadc_set_clk(clk, rate);
> +		break;
> +	case SCLK_SPI0:
> +	case SCLK_SPI1:
> +		ret = rk3308_spi_set_clk(clk, rate);
> +		break;
> +	case SCLK_PWM0:
> +		ret = rk3308_pwm_set_clk(clk, rate);
> +		break;
> +	case DCLK_VOP:
> +		ret = rk3308_vop_set_clk(clk, rate);
> +		break;
> +	case ACLK_BUS:
> +	case HCLK_BUS:
> +	case PCLK_BUS:
> +		rate = rk3308_bus_set_clk(priv, clk->id, rate);
> +		break;
> +	case ACLK_PERI:
> +	case HCLK_PERI:
> +	case PCLK_PERI:
> +		rate = rk3308_peri_set_clk(priv, clk->id, rate);
> +		break;
> +	case HCLK_AUDIO:
> +	case PCLK_AUDIO:
> +		rate = rk3308_audio_set_clk(priv, clk->id, rate);
> +		break;
> +	case SCLK_CRYPTO:
> +	case SCLK_CRYPTO_APK:
> +		ret = rk3308_crypto_set_clk(priv, clk->id, rate);
> +		break;
> +	default:
> +		return -ENOENT;
> +	}
> +
> +	return ret;
> +}
> +
> +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
> +static int __maybe_unused rk3308_mac_set_parent(struct clk *clk, struct clk *parent)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(clk->dev);
> +
> +	/*
> +	 * If the requested parent is in the same clock-controller and
> +	 * the id is SCLK_MAC_SRC, switch to the internal clock.
> +	 */
> +	if (parent->id == SCLK_MAC_SRC) {
> +		debug("%s: switching RMII to SCLK_MAC\n", __func__);
> +		rk_clrreg(&priv->cru->clksel_con[43], BIT(14));
> +	} else {
> +		debug("%s: switching RMII to CLKIN\n", __func__);
> +		rk_setreg(&priv->cru->clksel_con[43], BIT(14));
> +	}
> +
> +	return 0;
> +}
> +
> +static int __maybe_unused rk3308_clk_set_parent(struct clk *clk, struct clk *parent)
> +{
> +	switch (clk->id) {
> +	case SCLK_MAC:
> +		return rk3308_mac_set_parent(clk, parent);
> +	default:
> +		break;
> +	}
> +
> +	debug("%s: unsupported clk %ld\n", __func__, clk->id);
> +	return -ENOENT;
> +}
> +#endif
> +
> +static struct clk_ops rk3308_clk_ops = {
> +	.get_rate = rk3308_clk_get_rate,
> +	.set_rate = rk3308_clk_set_rate,
> +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
> +	.set_parent = rk3308_clk_set_parent,
> +#endif
> +};
> +
> +static void rk3308_clk_init(struct udevice *dev)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(dev);
> +	int ret;
> +
> +	if (rockchip_pll_get_rate(&rk3308_pll_clks[APLL],
> +				  priv->cru, APLL) != APLL_HZ) {
> +		ret = rk3308_armclk_set_clk(priv, APLL_HZ);
> +		if (ret < 0)
> +			printf("%s failed to set armclk rate\n", __func__);
> +	}
> +
> +	rk3308_clk_get_pll_rate(priv);
> +
> +	rk3308_bus_set_clk(priv, ACLK_BUS, BUS_ACLK_HZ);
> +	rk3308_bus_set_clk(priv, HCLK_BUS, BUS_HCLK_HZ);
> +	rk3308_bus_set_clk(priv, PCLK_BUS, BUS_PCLK_HZ);
> +
> +	rk3308_peri_set_clk(priv, ACLK_PERI, PERI_ACLK_HZ);
> +	rk3308_peri_set_clk(priv, HCLK_PERI, PERI_HCLK_HZ);
> +	rk3308_peri_set_clk(priv, PCLK_PERI, PERI_PCLK_HZ);
> +
> +	rk3308_audio_set_clk(priv, HCLK_AUDIO, AUDIO_HCLK_HZ);
> +	rk3308_audio_set_clk(priv, PCLK_AUDIO, AUDIO_PCLK_HZ);
> +}
> +
> +static int rk3308_clk_probe(struct udevice *dev)
> +{
> +	int ret;
> +
> +	rk3308_clk_init(dev);
> +
> +	/* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */
> +	ret = clk_set_defaults(dev);
> +	if (ret)
> +		debug("%s clk_set_defaults failed %d\n", __func__, ret);
> +
> +	return ret;
> +}
> +
> +static int rk3308_clk_ofdata_to_platdata(struct udevice *dev)
> +{
> +	struct rk3308_clk_priv *priv = dev_get_priv(dev);
> +
> +	priv->cru = dev_read_addr_ptr(dev);
> +
> +	return 0;
> +}
> +
> +static int rk3308_clk_bind(struct udevice *dev)
> +{
> +	int ret;
> +	struct udevice *sys_child, *sf_child;
> +	struct sysreset_reg *priv;
> +	struct softreset_reg *sf_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 rk3308_cru,
> +						    glb_srst_fst);
> +		priv->glb_srst_snd_value = offsetof(struct rk3308_cru,
> +						    glb_srst_snd);
> +		sys_child->priv = priv;
> +	}
> +
> +	ret = device_bind_driver_to_node(dev, "rockchip_reset", "reset",
> +					 dev_ofnode(dev), &sf_child);
> +	if (ret) {
> +		debug("Warning: No rockchip reset driver: ret=%d\n", ret);
> +	} else {
> +		sf_priv = malloc(sizeof(struct softreset_reg));
> +		sf_priv->sf_reset_offset = offsetof(struct rk3308_cru,
> +						    softrst_con[0]);
> +		sf_priv->sf_reset_num = 12;
> +		sf_child->priv = sf_priv;
> +	}
> +
> +	return 0;
> +}
> +
> +static const struct udevice_id rk3308_clk_ids[] = {
> +	{ .compatible = "rockchip,rk3308-cru" },
> +	{ }
> +};
> +
> +U_BOOT_DRIVER(rockchip_rk3308_cru) = {
> +	.name		= "rockchip_rk3308_cru",
> +	.id		= UCLASS_CLK,
> +	.of_match	= rk3308_clk_ids,
> +	.priv_auto_alloc_size = sizeof(struct rk3308_clk_priv),
> +	.ofdata_to_platdata = rk3308_clk_ofdata_to_platdata,
> +	.ops		= &rk3308_clk_ops,
> +	.bind		= rk3308_clk_bind,
> +	.probe		= rk3308_clk_probe,
> +};
> diff --git a/include/dt-bindings/clock/rk3308-cru.h b/include/dt-bindings/clock/rk3308-cru.h
> new file mode 100644
> index 0000000000..d97840f9ee
> --- /dev/null
> +++ b/include/dt-bindings/clock/rk3308-cru.h
> @@ -0,0 +1,387 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (c) 2019 Rockchip Electronics Co. Ltd.
> + * Author: Finley Xiao <finley.xiao at rock-chips.com>
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3308_H
> +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3308_H
> +
> +/* core clocks */
> +#define PLL_APLL		1
> +#define PLL_DPLL		2
> +#define PLL_VPLL0		3
> +#define PLL_VPLL1		4
> +#define ARMCLK			5
> +
> +/* sclk (special clocks) */
> +#define USB480M			14
> +#define SCLK_RTC32K		15
> +#define SCLK_PVTM_CORE		16
> +#define SCLK_UART0		17
> +#define SCLK_UART1		18
> +#define SCLK_UART2		19
> +#define SCLK_UART3		20
> +#define SCLK_UART4		21
> +#define SCLK_I2C0		22
> +#define SCLK_I2C1		23
> +#define SCLK_I2C2		24
> +#define SCLK_I2C3		25
> +#define SCLK_PWM0		26
> +#define SCLK_SPI0		27
> +#define SCLK_SPI1		28
> +#define SCLK_SPI2		29
> +#define SCLK_TIMER0		30
> +#define SCLK_TIMER1		31
> +#define SCLK_TIMER2		32
> +#define SCLK_TIMER3		33
> +#define SCLK_TIMER4		34
> +#define SCLK_TIMER5		35
> +#define SCLK_TSADC		36
> +#define SCLK_SARADC		37
> +#define SCLK_OTP		38
> +#define SCLK_OTP_USR		39
> +#define SCLK_CPU_BOOST		40
> +#define SCLK_CRYPTO		41
> +#define SCLK_CRYPTO_APK		42
> +#define SCLK_NANDC_DIV		43
> +#define SCLK_NANDC_DIV50	44
> +#define SCLK_NANDC		45
> +#define SCLK_SDMMC_DIV		46
> +#define SCLK_SDMMC_DIV50	47
> +#define SCLK_SDMMC		48
> +#define SCLK_SDMMC_DRV		49
> +#define SCLK_SDMMC_SAMPLE	50
> +#define SCLK_SDIO_DIV		51
> +#define SCLK_SDIO_DIV50		52
> +#define SCLK_SDIO		53
> +#define SCLK_SDIO_DRV		54
> +#define SCLK_SDIO_SAMPLE	55
> +#define SCLK_EMMC_DIV		56
> +#define SCLK_EMMC_DIV50		57
> +#define SCLK_EMMC		58
> +#define SCLK_EMMC_DRV		59
> +#define SCLK_EMMC_SAMPLE	60
> +#define SCLK_SFC		61
> +#define SCLK_OTG_ADP		62
> +#define SCLK_MAC_SRC		63
> +#define SCLK_MAC		64
> +#define SCLK_MAC_REF		65
> +#define SCLK_MAC_RX_TX		66
> +#define SCLK_MAC_RMII		67
> +#define SCLK_DDR_MON_TIMER	68
> +#define SCLK_DDR_MON		69
> +#define SCLK_DDRCLK		70
> +#define SCLK_PMU		71
> +#define SCLK_USBPHY_REF		72
> +#define SCLK_WIFI		73
> +#define SCLK_PVTM_PMU		74
> +#define SCLK_PDM		75
> +#define SCLK_I2S0_8CH_TX	76
> +#define SCLK_I2S0_8CH_TX_OUT	77
> +#define SCLK_I2S0_8CH_RX	78
> +#define SCLK_I2S0_8CH_RX_OUT	79
> +#define SCLK_I2S1_8CH_TX	80
> +#define SCLK_I2S1_8CH_TX_OUT	81
> +#define SCLK_I2S1_8CH_RX	82
> +#define SCLK_I2S1_8CH_RX_OUT	83
> +#define SCLK_I2S2_8CH_TX	84
> +#define SCLK_I2S2_8CH_TX_OUT	85
> +#define SCLK_I2S2_8CH_RX	86
> +#define SCLK_I2S2_8CH_RX_OUT	87
> +#define SCLK_I2S3_8CH_TX	88
> +#define SCLK_I2S3_8CH_TX_OUT	89
> +#define SCLK_I2S3_8CH_RX	90
> +#define SCLK_I2S3_8CH_RX_OUT	91
> +#define SCLK_I2S0_2CH		92
> +#define SCLK_I2S0_2CH_OUT	93
> +#define SCLK_I2S1_2CH		94
> +#define SCLK_I2S1_2CH_OUT	95
> +#define SCLK_SPDIF_TX_DIV	96
> +#define SCLK_SPDIF_TX_DIV50	97
> +#define SCLK_SPDIF_TX		98
> +#define SCLK_SPDIF_RX_DIV	99
> +#define SCLK_SPDIF_RX_DIV50	100
> +#define SCLK_SPDIF_RX		101
> +#define SCLK_I2S0_8CH_TX_MUX	102
> +#define SCLK_I2S0_8CH_RX_MUX	103
> +#define SCLK_I2S1_8CH_TX_MUX	104
> +#define SCLK_I2S1_8CH_RX_MUX	105
> +#define SCLK_I2S2_8CH_TX_MUX	106
> +#define SCLK_I2S2_8CH_RX_MUX	107
> +#define SCLK_I2S3_8CH_TX_MUX	108
> +#define SCLK_I2S3_8CH_RX_MUX	109
> +#define SCLK_I2S0_8CH_TX_SRC	110
> +#define SCLK_I2S0_8CH_RX_SRC	111
> +#define SCLK_I2S1_8CH_TX_SRC	112
> +#define SCLK_I2S1_8CH_RX_SRC	113
> +#define SCLK_I2S2_8CH_TX_SRC	114
> +#define SCLK_I2S2_8CH_RX_SRC	115
> +#define SCLK_I2S3_8CH_TX_SRC	116
> +#define SCLK_I2S3_8CH_RX_SRC	117
> +#define SCLK_I2S0_2CH_SRC	118
> +#define SCLK_I2S1_2CH_SRC	119
> +#define SCLK_PWM1		120
> +#define SCLK_PWM2		121
> +#define SCLK_OWIRE		122
> +
> +/* dclk */
> +#define DCLK_VOP		125
> +
> +/* aclk */
> +#define ACLK_BUS_SRC		130
> +#define ACLK_BUS		131
> +#define ACLK_PERI_SRC		132
> +#define ACLK_PERI		133
> +#define ACLK_MAC		134
> +#define ACLK_CRYPTO		135
> +#define ACLK_VOP		136
> +#define ACLK_GIC		137
> +#define ACLK_DMAC0		138
> +#define ACLK_DMAC1		139
> +
> +/* hclk */
> +#define HCLK_BUS		150
> +#define HCLK_PERI		151
> +#define HCLK_AUDIO		152
> +#define HCLK_NANDC		153
> +#define HCLK_SDMMC		154
> +#define HCLK_SDIO		155
> +#define HCLK_EMMC		156
> +#define HCLK_SFC		157
> +#define HCLK_OTG		158
> +#define HCLK_HOST		159
> +#define HCLK_HOST_ARB		160
> +#define HCLK_PDM		161
> +#define HCLK_SPDIFTX		162
> +#define HCLK_SPDIFRX		163
> +#define HCLK_I2S0_8CH		164
> +#define HCLK_I2S1_8CH		165
> +#define HCLK_I2S2_8CH		166
> +#define HCLK_I2S3_8CH		167
> +#define HCLK_I2S0_2CH		168
> +#define HCLK_I2S1_2CH		169
> +#define HCLK_VAD		170
> +#define HCLK_CRYPTO		171
> +#define HCLK_VOP		172
> +
> +/* pclk */
> +#define PCLK_BUS		190
> +#define PCLK_DDR		191
> +#define PCLK_PERI		192
> +#define PCLK_PMU		193
> +#define PCLK_AUDIO		194
> +#define PCLK_MAC		195
> +#define PCLK_ACODEC		196
> +#define PCLK_UART0		197
> +#define PCLK_UART1		198
> +#define PCLK_UART2		199
> +#define PCLK_UART3		200
> +#define PCLK_UART4		201
> +#define PCLK_I2C0		202
> +#define PCLK_I2C1		203
> +#define PCLK_I2C2		204
> +#define PCLK_I2C3		205
> +#define PCLK_PWM0		206
> +#define PCLK_SPI0		207
> +#define PCLK_SPI1		208
> +#define PCLK_SPI2		209
> +#define PCLK_SARADC		210
> +#define PCLK_TSADC		211
> +#define PCLK_TIMER		212
> +#define PCLK_OTP_NS		213
> +#define PCLK_WDT		214
> +#define PCLK_GPIO0		215
> +#define PCLK_GPIO1		216
> +#define PCLK_GPIO2		217
> +#define PCLK_GPIO3		218
> +#define PCLK_GPIO4		219
> +#define PCLK_SGRF		220
> +#define PCLK_GRF		221
> +#define PCLK_USBSD_DET		222
> +#define PCLK_DDR_UPCTL		223
> +#define PCLK_DDR_MON		224
> +#define PCLK_DDRPHY		225
> +#define PCLK_DDR_STDBY		226
> +#define PCLK_USB_GRF		227
> +#define PCLK_CRU		228
> +#define PCLK_OTP_PHY		229
> +#define PCLK_CPU_BOOST		230
> +#define PCLK_PWM1		231
> +#define PCLK_PWM2		232
> +#define PCLK_CAN		233
> +#define PCLK_OWIRE		234
> +
> +#define CLK_NR_CLKS		(PCLK_OWIRE + 1)
> +
> +/* soft-reset indices */
> +
> +/* cru_softrst_con0 */
> +#define SRST_CORE0_PO		0
> +#define SRST_CORE1_PO		1
> +#define SRST_CORE2_PO		2
> +#define SRST_CORE3_PO		3
> +#define SRST_CORE0		4
> +#define SRST_CORE1		5
> +#define SRST_CORE2		6
> +#define SRST_CORE3		7
> +#define SRST_CORE0_DBG		8
> +#define SRST_CORE1_DBG		9
> +#define SRST_CORE2_DBG		10
> +#define SRST_CORE3_DBG		11
> +#define SRST_TOPDBG		12
> +#define SRST_CORE_NOC		13
> +#define SRST_STRC_A		14
> +#define SRST_L2C		15
> +
> +/* cru_softrst_con1 */
> +#define SRST_DAP		16
> +#define SRST_CORE_PVTM		17
> +#define SRST_CORE_PRF		18
> +#define SRST_CORE_GRF		19
> +#define SRST_DDRUPCTL		20
> +#define SRST_DDRUPCTL_P		22
> +#define SRST_MSCH		23
> +#define SRST_DDRMON_P		25
> +#define SRST_DDRSTDBY_P		26
> +#define SRST_DDRSTDBY		27
> +#define SRST_DDRPHY		28
> +#define SRST_DDRPHY_DIV		29
> +#define SRST_DDRPHY_P		30
> +
> +/* cru_softrst_con2 */
> +#define SRST_BUS_NIU_H		32
> +#define SRST_USB_NIU_P		33
> +#define SRST_CRYPTO_A		34
> +#define SRST_CRYPTO_H		35
> +#define SRST_CRYPTO		36
> +#define SRST_CRYPTO_APK		37
> +#define SRST_VOP_A		38
> +#define SRST_VOP_H		39
> +#define SRST_VOP_D		40
> +#define SRST_INTMEM_A		41
> +#define SRST_ROM_H		42
> +#define SRST_GIC_A		43
> +#define SRST_UART0_P		44
> +#define SRST_UART0		45
> +#define SRST_UART1_P		46
> +#define SRST_UART1		47
> +
> +/* cru_softrst_con3 */
> +#define SRST_UART2_P		48
> +#define SRST_UART2		49
> +#define SRST_UART3_P		50
> +#define SRST_UART3		51
> +#define SRST_UART4_P		52
> +#define SRST_UART4		53
> +#define SRST_I2C0_P		54
> +#define SRST_I2C0		55
> +#define SRST_I2C1_P		56
> +#define SRST_I2C1		57
> +#define SRST_I2C2_P		58
> +#define SRST_I2C2		59
> +#define SRST_I2C3_P		60
> +#define SRST_I2C3		61
> +#define SRST_PWM0_P		62
> +#define SRST_PWM0		63
> +
> +/* cru_softrst_con4 */
> +#define SRST_SPI0_P		64
> +#define SRST_SPI0		65
> +#define SRST_SPI1_P		66
> +#define SRST_SPI1		67
> +#define SRST_SPI2_P		68
> +#define SRST_SPI2		69
> +#define SRST_SARADC_P		70
> +#define SRST_TSADC_P		71
> +#define SRST_TSADC		72
> +#define SRST_TIMER0_P		73
> +#define SRST_TIMER0		74
> +#define SRST_TIMER1		75
> +#define SRST_TIMER2		76
> +#define SRST_TIMER3		77
> +#define SRST_TIMER4		78
> +#define SRST_TIMER5		79
> +
> +/* cru_softrst_con5 */
> +#define SRST_OTP_NS_P		80
> +#define SRST_OTP_NS_SBPI	81
> +#define SRST_OTP_NS_USR		82
> +#define SRST_OTP_PHY_P		83
> +#define SRST_OTP_PHY		84
> +#define SRST_GPIO0_P		86
> +#define SRST_GPIO1_P		87
> +#define SRST_GPIO2_P		88
> +#define SRST_GPIO3_P		89
> +#define SRST_GPIO4_P		90
> +#define SRST_GRF_P		91
> +#define SRST_USBSD_DET_P	92
> +#define SRST_PMU		93
> +#define SRST_PMU_PVTM		94
> +#define SRST_USB_GRF_P		95
> +
> +/* cru_softrst_con6 */
> +#define SRST_CPU_BOOST		96
> +#define SRST_CPU_BOOST_P	97
> +#define SRST_PWM1_P		98
> +#define SRST_PWM1		99
> +#define SRST_PWM2_P		100
> +#define SRST_PWM2		101
> +#define SRST_PERI_NIU_A		104
> +#define SRST_PERI_NIU_H		105
> +#define SRST_PERI_NIU_p		106
> +#define SRST_USB2OTG_H		107
> +#define SRST_USB2OTG		108
> +#define SRST_USB2OTG_ADP	109
> +#define SRST_USB2HOST_H		110
> +#define SRST_USB2HOST_ARB_H	111
> +
> +/* cru_softrst_con7 */
> +#define SRST_USB2HOST_AUX_H	112
> +#define SRST_USB2HOST_EHCI	113
> +#define SRST_USB2HOST		114
> +#define SRST_USBPHYPOR		115
> +#define SRST_UTMI0		116
> +#define SRST_UTMI1		117
> +#define SRST_SDIO_H		118
> +#define SRST_EMMC_H		119
> +#define SRST_SFC_H		120
> +#define SRST_SFC		121
> +#define SRST_SD_H		122
> +#define SRST_NANDC_H		123
> +#define SRST_NANDC_N		124
> +#define SRST_MAC_A		125
> +#define SRST_CAN_P		126
> +#define SRST_OWIRE_P		127
> +
> +/* cru_softrst_con8 */
> +#define SRST_AUDIO_NIU_H	128
> +#define SRST_AUDIO_NIU_P	129
> +#define SRST_PDM_H		130
> +#define SRST_PDM_M		131
> +#define SRST_SPDIFTX_H		132
> +#define SRST_SPDIFTX_M		133
> +#define SRST_SPDIFRX_H		134
> +#define SRST_SPDIFRX_M		135
> +#define SRST_I2S0_8CH_H		136
> +#define SRST_I2S0_8CH_TX_M	137
> +#define SRST_I2S0_8CH_RX_M	138
> +#define SRST_I2S1_8CH_H		139
> +#define SRST_I2S1_8CH_TX_M	140
> +#define SRST_I2S1_8CH_RX_M	141
> +#define SRST_I2S2_8CH_H		142
> +#define SRST_I2S2_8CH_TX_M	143
> +
> +/* cru_softrst_con9 */
> +#define SRST_I2S2_8CH_RX_M	144
> +#define SRST_I2S3_8CH_H		145
> +#define SRST_I2S3_8CH_TX_M	146
> +#define SRST_I2S3_8CH_RX_M	147
> +#define SRST_I2S0_2CH_H		148
> +#define SRST_I2S0_2CH_M		149
> +#define SRST_I2S1_2CH_H		150
> +#define SRST_I2S1_2CH_M		151
> +#define SRST_VAD_H		152
> +#define SRST_ACODEC_P		153
> +
> +#endif




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