[U-Boot] [PATCH v3 4/8] power: pmic: rk805: support rk805 pmic

Kever Yang kever.yang at rock-chips.com
Thu Sep 19 08:36:57 UTC 2019


On 2019/9/19 下午4:08, Elaine Zhang wrote:
> The RK805 are a Power Management IC (PMIC) for multimedia
> and handheld devices. They contains the following components:
>      - Regulators(4*BUCKs, 3*LDOs)
>      - RTC
>      - Clocking
>
> Signed-off-by: Elaine Zhang <zhangqing at rock-chips.com>

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

Thanks,
- Kever
> ---
>   drivers/power/pmic/rk8xx.c      |  1 +
>   drivers/power/regulator/rk8xx.c | 17 +++++++++++++++++
>   include/power/rk8xx_pmic.h      |  1 +
>   3 files changed, 19 insertions(+)
>
> diff --git a/drivers/power/pmic/rk8xx.c b/drivers/power/pmic/rk8xx.c
> index 1900de9d1cdb..00c8a2e091d8 100644
> --- a/drivers/power/pmic/rk8xx.c
> +++ b/drivers/power/pmic/rk8xx.c
> @@ -94,6 +94,7 @@ static struct dm_pmic_ops rk8xx_ops = {
>   };
>   
>   static const struct udevice_id rk8xx_ids[] = {
> +	{ .compatible = "rockchip,rk805" },
>   	{ .compatible = "rockchip,rk808" },
>   	{ .compatible = "rockchip,rk816" },
>   	{ .compatible = "rockchip,rk818" },
> diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c
> index 3188d3c6350d..e9d83635988b 100644
> --- a/drivers/power/regulator/rk8xx.c
> +++ b/drivers/power/regulator/rk8xx.c
> @@ -38,7 +38,14 @@
>   /*
>    * Ramp delay
>    */
> +#define RK805_RAMP_RATE_OFFSET		3
> +#define RK805_RAMP_RATE_MASK		(3 << RK805_RAMP_RATE_OFFSET)
> +#define RK805_RAMP_RATE_3MV_PER_US	(0 << RK805_RAMP_RATE_OFFSET)
> +#define RK805_RAMP_RATE_6MV_PER_US	(1 << RK805_RAMP_RATE_OFFSET)
> +#define RK805_RAMP_RATE_12_5MV_PER_US	(2 << RK805_RAMP_RATE_OFFSET)
> +#define RK805_RAMP_RATE_25MV_PER_US	(3 << RK805_RAMP_RATE_OFFSET)
>   #define RK808_RAMP_RATE_OFFSET		3
> +
>   #define RK808_RAMP_RATE_MASK		(3 << RK808_RAMP_RATE_OFFSET)
>   #define RK808_RAMP_RATE_2MV_PER_US	(0 << RK808_RAMP_RATE_OFFSET)
>   #define RK808_RAMP_RATE_4MV_PER_US	(1 << RK808_RAMP_RATE_OFFSET)
> @@ -131,6 +138,7 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,
>   	struct rk8xx_priv *priv = dev_get_priv(pmic);
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		switch (num) {
>   		case 0:
> @@ -185,6 +193,7 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
>   	struct rk8xx_priv *priv = dev_get_priv(pmic);
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		if (buck >= 4) {
>   			buck -= 4;
> @@ -246,6 +255,7 @@ static int _buck_get_enable(struct udevice *pmic, int buck)
>   	int ret = 0;
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		if (buck >= 4) {
>   			mask = 1 << (buck - 4);
> @@ -277,6 +287,7 @@ static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable)
>   	struct rk8xx_priv *priv = dev_get_priv(pmic);
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		mask = 1 << buck;
>   		ret = pmic_clrsetbits(pmic, RK816_REG_DCDC_SLP_EN, mask,
> @@ -302,6 +313,7 @@ static int _buck_get_suspend_enable(struct udevice *pmic, int buck)
>   	uint mask;
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		mask = 1 << buck;
>   		val = pmic_reg_read(pmic, RK816_REG_DCDC_SLP_EN);
> @@ -330,6 +342,7 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic,
>   	struct rk8xx_priv *priv = dev_get_priv(pmic);
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		return &rk816_ldo[num];
>   	case RK818_ID:
> @@ -346,6 +359,7 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo)
>   	int ret = 0;
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		if (ldo >= 4) {
>   			mask = 1 << (ldo - 4);
> @@ -378,6 +392,7 @@ static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable)
>   	int ret = 0;
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		if (ldo >= 4) {
>   			ldo -= 4;
> @@ -410,6 +425,7 @@ static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable)
>   	int ret = 0;
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		mask = 1 << ldo;
>   		ret = pmic_clrsetbits(pmic, RK816_REG_LDO_SLP_EN, mask,
> @@ -433,6 +449,7 @@ static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo)
>   	uint mask;
>   
>   	switch (priv->variant) {
> +	case RK805_ID:
>   	case RK816_ID:
>   		mask = 1 << ldo;
>   		val = pmic_reg_read(pmic, RK816_REG_LDO_SLP_EN);
> diff --git a/include/power/rk8xx_pmic.h b/include/power/rk8xx_pmic.h
> index 44e8d687dfba..7784c2a5e473 100644
> --- a/include/power/rk8xx_pmic.h
> +++ b/include/power/rk8xx_pmic.h
> @@ -179,6 +179,7 @@ enum {
>   };
>   
>   enum {
> +	RK805_ID = 0x8050,
>   	RK808_ID = 0x0000,
>   	RK816_ID = 0x8160,
>   	RK818_ID = 0x8180,




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