Re: [U-Boot] [PATCH v3 2/8] power: regulator: rk8xx: update the driver for rk808 and rk818

On 2019/9/19 下午4:08, Elaine Zhang wrote:

In order to adapt the following pmics, make the interface more compatible. Support buck and ldo suspend voltage setting and getting. Supprot buck and ldo suspend enable/disable setting and getting.

Signed-off-by: Elaine Zhang zhangqing@rock-chips.com

Reviewed-by: Kever Yangkever.yang@rock-chips.com

Thanks, - Kever

---

drivers/power/regulator/rk8xx.c | 547 ++++++++++++++++++++++++++++++++++------ 1 file changed, 465 insertions(+), 82 deletions(-)

diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c index aa4f3a161c47..ef83f66c8b6e 100644 --- a/drivers/power/regulator/rk8xx.c +++ b/drivers/power/regulator/rk8xx.c @@ -19,6 +19,9 @@ #define ENABLE_DRIVER #endif

+/* Not used or exisit register and configure */ +#define NA -1

• /* Field Definitions */ #define RK808_BUCK_VSEL_MASK 0x3f #define RK808_BUCK4_VSEL_MASK 0xf

@@ -32,49 +35,61 @@ #define RK818_USB_ILIM_SEL_MASK 0x0f #define RK818_USB_CHG_SD_VSEL_MASK 0x70

+/*

• • Ramp delay
• */

+#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) +#define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET) +#define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET)

struct rk8xx_reg_info { uint min_uv; uint step_uv;

• s8 vsel_reg;

• u8 vsel_reg;

• u8 vsel_sleep_reg;

• u8 config_reg; u8 vsel_mask;

• u8 min_sel; };

  static const struct rk8xx_reg_info rk808_buck[] = {

• { 712500, 12500, REG_BUCK1_ON_VSEL, RK808_BUCK_VSEL_MASK, },
• { 712500, 12500, REG_BUCK2_ON_VSEL, RK808_BUCK_VSEL_MASK, },
• { 712500, 12500, -1, RK808_BUCK_VSEL_MASK, },
• { 1800000, 100000, REG_BUCK4_ON_VSEL, RK808_BUCK4_VSEL_MASK, },

• { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK808_BUCK_VSEL_MASK, },

• { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK808_BUCK_VSEL_MASK, },

• { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK808_BUCK_VSEL_MASK, },

• { 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK808_BUCK4_VSEL_MASK, }, };

  static const struct rk8xx_reg_info rk818_buck[] = {

• { 712500, 12500, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, },
• { 712500, 12500, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, },
• { 712500, 12500, -1, RK818_BUCK_VSEL_MASK, },
• { 1800000, 100000, REG_BUCK4_ON_VSEL, RK818_BUCK4_VSEL_MASK, },

• { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, },

• { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, },

• { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK818_BUCK_VSEL_MASK, },

• { 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK818_BUCK4_VSEL_MASK, }, };

  #ifdef ENABLE_DRIVER static const struct rk8xx_reg_info rk808_ldo[] = {

• { 1800000, 100000, REG_LDO1_ON_VSEL, RK808_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO2_ON_VSEL, RK808_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO3_ON_VSEL, RK808_BUCK4_VSEL_MASK, },
• { 1800000, 100000, REG_LDO4_ON_VSEL, RK808_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO5_ON_VSEL, RK808_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO6_ON_VSEL, RK808_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO7_ON_VSEL, RK808_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO8_ON_VSEL, RK808_LDO_VSEL_MASK, },

• { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },

• { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },

• { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK808_BUCK4_VSEL_MASK, },

• { 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },

• { 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },

• { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },

• { 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },

• { 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, };

  static const struct rk8xx_reg_info rk818_ldo[] = {

• { 1800000, 100000, REG_LDO1_ON_VSEL, RK818_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO2_ON_VSEL, RK818_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO3_ON_VSEL, RK818_LDO3_ON_VSEL_MASK, },
• { 1800000, 100000, REG_LDO4_ON_VSEL, RK818_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO5_ON_VSEL, RK818_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO6_ON_VSEL, RK818_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO7_ON_VSEL, RK818_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO8_ON_VSEL, RK818_LDO_VSEL_MASK, },

• { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK818_LDO3_ON_VSEL_MASK, },
• { 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
• { 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
• { 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, }; #endif

@@ -87,7 +102,7 @@ static const uint rk818_chrg_shutdown_vsel_array[] = { };

static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,

• 			     int num)
  

• 				 int num, int uvolt)
  

  { struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) {

@@ -100,15 +115,20 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,

static int _buck_set_value(struct udevice *pmic, int buck, int uvolt) {

• const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck - 1);

• const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt); int mask = info->vsel_mask; int val;

• if (info->vsel_reg == -1)

• if (info->vsel_reg == NA) return -ENOSYS;

• val = (uvolt - info->min_uv) / info->step_uv;
• debug("%s: reg=%x, mask=%x, val=%x\n", __func__, info->vsel_reg, mask,

•      val);
  

• if (info->step_uv == 0) /* Fixed voltage */

• val = info->min_sel;
  

• else

• val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
  

• debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n",

•      __func__, uvolt, buck + 1, info->vsel_reg, mask, val);
  

• return pmic_clrsetbits(pmic, info->vsel_reg, mask, val); }

@@ -117,24 +137,115 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable) { uint mask; int ret;

• struct rk8xx_priv *priv = dev_get_priv(pmic);

• buck--;
• mask = 1 << buck;
• if (enable) {

• ret = pmic_clrsetbits(pmic, REG_DCDC_ILMAX, 0, 3 << (buck * 2));
  

• if (ret)
  

• 	return ret;
  

• ret = pmic_clrsetbits(pmic, REG_DCDC_UV_ACT, 1 << buck, 0);
  

• if (ret)
  

• 	return ret;
  

• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << buck;
  

• if (enable) {
  

• 	ret = pmic_clrsetbits(pmic, REG_DCDC_ILMAX,
  

• 			      0, 3 << (buck * 2));
  

• 	if (ret)
  

• 		return ret;
  

• }
  

• ret = pmic_clrsetbits(pmic, REG_DCDC_EN, mask,
  

• 		      enable ? mask : 0);
  

• break;
  

• default:

• ret = -EINVAL;
  

  }

• return pmic_clrsetbits(pmic, REG_DCDC_EN, mask, enable ? mask : 0);

• return ret; }

  #ifdef ENABLE_DRIVER

+static int _buck_set_suspend_value(struct udevice *pmic, int buck, int uvolt) +{

• const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt);
• int mask = info->vsel_mask;
• int val;
• if (info->vsel_sleep_reg == NA)

• return -ENOSYS;
  

• if (info->step_uv == 0)

• val = info->min_sel;
  

• else

• val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
  

• debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n",

•      __func__, uvolt, buck + 1, info->vsel_sleep_reg, mask, val);
  

• return pmic_clrsetbits(pmic, info->vsel_sleep_reg, mask, val);

+}

+static int _buck_get_enable(struct udevice *pmic, int buck) +{

• struct rk8xx_priv *priv = dev_get_priv(pmic);
• uint mask = 0;
• int ret = 0;
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << buck;
  

• ret = pmic_reg_read(pmic, REG_DCDC_EN);
  

• if (ret < 0)
  

• 	return ret;
  

• break;
  

• }
• if (ret < 0)

• return ret;
  

• return ret & mask ? true : false;

+}

+static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable) +{

• uint mask;
• int ret;
• struct rk8xx_priv *priv = dev_get_priv(pmic);
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << buck;
  

• ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF1, mask,
  

• 		      enable ? 0 : mask);
  

• break;
  

• default:

• ret = -EINVAL;
  

• }
• return ret;

+}

+static int _buck_get_suspend_enable(struct udevice *pmic, int buck) +{

• struct rk8xx_priv *priv = dev_get_priv(pmic);
• int ret, val;
• uint mask;
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << buck;
  

• val = pmic_reg_read(pmic, REG_SLEEP_SET_OFF1);
  

• if (val < 0)
  

• 	return val;
  

• ret = val & mask ? 0 : 1;
  

• break;
  

• default:

• ret = -EINVAL;
  

• }
• return ret;

+}

• static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic,

• 			     int num)
  

• 				int num, int uvolt)
  

  { struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) {

@@ -145,14 +256,93 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic, } }

+static int _ldo_get_enable(struct udevice *pmic, int ldo) +{

• struct rk8xx_priv *priv = dev_get_priv(pmic);
• uint mask = 0;
• int ret = 0;
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << ldo;
  

• ret = pmic_reg_read(pmic, REG_LDO_EN);
  

• if (ret < 0)
  

• 	return ret;
  

• break;
  

• }
• if (ret < 0)

• return ret;
  

• return ret & mask ? true : false;

+}

+static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable) +{

• struct rk8xx_priv *priv = dev_get_priv(pmic);
• uint mask;
• int ret = 0;
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << ldo;
  

• ret = pmic_clrsetbits(pmic, REG_LDO_EN, mask,
  

• 		      enable ? mask : 0);
  

• break;
  

• }
• return ret;

+}

+static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable) +{

• struct rk8xx_priv *priv = dev_get_priv(pmic);
• uint mask;
• int ret = 0;
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << ldo;
  

• ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF2, mask,
  

• 		      enable ? 0 : mask);
  

• break;
  

• }
• return ret;

+}

+static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo) +{

• struct rk8xx_priv *priv = dev_get_priv(pmic);
• int val, ret = 0;
• uint mask;
• switch (priv->variant) {
• case RK808_ID:
• case RK818_ID:

• mask = 1 << ldo;
  

• val = pmic_reg_read(pmic, REG_SLEEP_SET_OFF2);
  

• if (val < 0)
  

• 	return val;
  

• ret = val & mask ? 0 : 1;
  

• break;
  

• }
• return ret;

+}

• static int buck_get_value(struct udevice *dev) { int buck = dev->driver_data - 1;

• const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck);

• /* We assume level-1 voltage is enough for usage in U-Boot */
• const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck, 0); int mask = info->vsel_mask; int ret, val;

• if (info->vsel_reg == -1)

• if (info->vsel_reg == NA) return -ENOSYS; ret = pmic_reg_read(dev->parent, info->vsel_reg); if (ret < 0)

@@ -164,41 +354,74 @@ static int buck_get_value(struct udevice *dev)

static int buck_set_value(struct udevice *dev, int uvolt) {

• int buck = dev->driver_data;

• int buck = dev->driver_data - 1;

  return _buck_set_value(dev->parent, buck, uvolt); }

+static int buck_get_suspend_value(struct udevice *dev) +{

• int buck = dev->driver_data - 1;
• /* We assume level-1 voltage is enough for usage in U-Boot */
• const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck, 0);
• int mask = info->vsel_mask;
• int ret, val;
• if (info->vsel_sleep_reg == NA)

• return -ENOSYS;
  

• ret = pmic_reg_read(dev->parent, info->vsel_sleep_reg);
• if (ret < 0)

• return ret;
  

• val = ret & mask;
• return info->min_uv + val * info->step_uv;

+}

+static int buck_set_suspend_value(struct udevice *dev, int uvolt) +{

• int buck = dev->driver_data - 1;
• return _buck_set_suspend_value(dev->parent, buck, uvolt);

+}

• static int buck_set_enable(struct udevice *dev, bool enable) {

• int buck = dev->driver_data;

• int buck = dev->driver_data - 1;

  return _buck_set_enable(dev->parent, buck, enable); }

-static int buck_get_enable(struct udevice *dev) +static int buck_set_suspend_enable(struct udevice *dev, bool enable) { int buck = dev->driver_data - 1;

• int ret;

• uint mask;

• mask = 1 << buck;

• return _buck_set_suspend_enable(dev->parent, buck, enable);

+}

• ret = pmic_reg_read(dev->parent, REG_DCDC_EN);
• if (ret < 0)

• return ret;
  

+static int buck_get_suspend_enable(struct udevice *dev) +{

• int buck = dev->driver_data - 1;

• return ret & mask ? true : false;

• return _buck_get_suspend_enable(dev->parent, buck);

+}

+static int buck_get_enable(struct udevice *dev) +{

• int buck = dev->driver_data - 1;

• return _buck_get_enable(dev->parent, buck); }

  static int ldo_get_value(struct udevice *dev) { int ldo = dev->driver_data - 1;

• const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo);

• const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, 0); int mask = info->vsel_mask; int ret, val;

• if (info->vsel_reg == -1)

• if (info->vsel_reg == NA) return -ENOSYS; ret = pmic_reg_read(dev->parent, info->vsel_reg); if (ret < 0)

@@ -211,71 +434,217 @@ static int ldo_get_value(struct udevice *dev) static int ldo_set_value(struct udevice *dev, int uvolt) { int ldo = dev->driver_data - 1;

• const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo);

• const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, uvolt); int mask = info->vsel_mask; int val;

• if (info->vsel_reg == -1)

• if (info->vsel_reg == NA) return -ENOSYS;

• val = (uvolt - info->min_uv) / info->step_uv;
• debug("%s: reg=%x, mask=%x, val=%x\n", __func__, info->vsel_reg, mask,

•      val);
  

• if (info->step_uv == 0)

• val = info->min_sel;
  

• else

• val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
  

• debug("%s: volt=%d, ldo=%d, reg=0x%x, mask=0x%x, val=0x%x\n",

•      __func__, uvolt, ldo + 1, info->vsel_reg, mask, val);
  
  

  return pmic_clrsetbits(dev->parent, info->vsel_reg, mask, val); }

-static int ldo_set_enable(struct udevice *dev, bool enable) +static int ldo_set_suspend_value(struct udevice *dev, int uvolt) { int ldo = dev->driver_data - 1;

• uint mask;

• const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, uvolt);
• int mask = info->vsel_mask;
• int val;
• if (info->vsel_sleep_reg == NA)

• return -ENOSYS;
  
  

• mask = 1 << ldo;

• if (info->step_uv == 0)

• val = info->min_sel;
  

• else

• val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel;
  
  

• return pmic_clrsetbits(dev->parent, REG_LDO_EN, mask,

• 	       enable ? mask : 0);
  

• debug("%s: volt=%d, ldo=%d, reg=0x%x, mask=0x%x, val=0x%x\n",

•      __func__, uvolt, ldo + 1, info->vsel_sleep_reg, mask, val);
  

• return pmic_clrsetbits(dev->parent, info->vsel_sleep_reg, mask, val); }

-static int ldo_get_enable(struct udevice *dev) +static int ldo_get_suspend_value(struct udevice *dev) { int ldo = dev->driver_data - 1;

• int ret;
• uint mask;

• const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, 0);
• int mask = info->vsel_mask;
• int val, ret;

• mask = 1 << ldo;

• if (info->vsel_sleep_reg == NA)

• return -ENOSYS;
  
  

• ret = pmic_reg_read(dev->parent, REG_LDO_EN);

• ret = pmic_reg_read(dev->parent, info->vsel_sleep_reg); if (ret < 0) return ret;

• return ret & mask ? true : false;

• val = ret & mask;
• return info->min_uv + val * info->step_uv;

+}

+static int ldo_set_enable(struct udevice *dev, bool enable) +{

• int ldo = dev->driver_data - 1;
• return _ldo_set_enable(dev->parent, ldo, enable);

+}

+static int ldo_set_suspend_enable(struct udevice *dev, bool enable) +{

• int ldo = dev->driver_data - 1;
• return _ldo_set_suspend_enable(dev->parent, ldo, enable);

+}

+static int ldo_get_suspend_enable(struct udevice *dev) +{

• int ldo = dev->driver_data - 1;
• return _ldo_get_suspend_enable(dev->parent, ldo);

+}

+static int ldo_get_enable(struct udevice *dev) +{

• int ldo = dev->driver_data - 1;

• return _ldo_get_enable(dev->parent, ldo); }

  static int switch_set_enable(struct udevice *dev, bool enable) {

• int sw = dev->driver_data - 1;
• uint mask;

• struct rk8xx_priv *priv = dev_get_priv(dev->parent);
• int ret = 0, sw = dev->driver_data - 1;
• uint mask = 0;
• switch (priv->variant) {
• case RK808_ID:

• mask = 1 << (sw + 5);
  

• ret = pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask,
  

• 		      enable ? mask : 0);
  

• break;
  

• case RK818_ID:

• mask = 1 << 6;
  

• ret = pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask,
  

• 		      enable ? mask : 0);
  

• break;
  

• }

• mask = 1 << (sw + 5);

• debug("%s: switch%d, enable=%d, mask=0x%x\n",

•      __func__, sw + 1, enable, mask);
  
  

• return pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask,

• 	       enable ? mask : 0);
  

• return ret; }

  static int switch_get_enable(struct udevice *dev) {

• int sw = dev->driver_data - 1;
• int ret;
• uint mask;

• struct rk8xx_priv *priv = dev_get_priv(dev->parent);
• int ret = 0, sw = dev->driver_data - 1;
• uint mask = 0;

• mask = 1 << (sw + 5);

• switch (priv->variant) {
• case RK808_ID:

• mask = 1 << (sw + 5);
  

• ret = pmic_reg_read(dev->parent, REG_DCDC_EN);
  

• break;
  

• case RK818_ID:

• mask = 1 << 6;
  

• ret = pmic_reg_read(dev->parent, REG_DCDC_EN);
  

• break;
  

• }

• ret = pmic_reg_read(dev->parent, REG_DCDC_EN); if (ret < 0) return ret;

  return ret & mask ? true : false; }

+static int switch_set_suspend_value(struct udevice *dev, int uvolt) +{

• return 0;

+}

+static int switch_get_suspend_value(struct udevice *dev) +{

• return 0;

+}

+static int switch_set_suspend_enable(struct udevice *dev, bool enable) +{

• struct rk8xx_priv *priv = dev_get_priv(dev->parent);
• int ret = 0, sw = dev->driver_data - 1;
• uint mask = 0;
• switch (priv->variant) {
• case RK808_ID:

• mask = 1 << (sw + 5);
  

• ret = pmic_clrsetbits(dev->parent, REG_SLEEP_SET_OFF1, mask,
  

• 		      enable ? 0 : mask);
  

• break;
  

• case RK818_ID:

• mask = 1 << 6;
  

• ret = pmic_clrsetbits(dev->parent, REG_SLEEP_SET_OFF1, mask,
  

• 		      enable ? 0 : mask);
  

• break;
  

• }
• debug("%s: switch%d, enable=%d, mask=0x%x\n",

•      __func__, sw + 1, enable, mask);
  

• return ret;

+}

+static int switch_get_suspend_enable(struct udevice *dev) +{

• struct rk8xx_priv *priv = dev_get_priv(dev->parent);
• int val, ret = 0, sw = dev->driver_data - 1;
• uint mask = 0;
• switch (priv->variant) {
• case RK808_ID:

• mask = 1 << (sw + 5);
  

• val = pmic_reg_read(dev->parent, REG_SLEEP_SET_OFF1);
  

• if (val < 0)
  

• 	return val;
  

• ret = val & mask ? 0 : 1;
  

• break;
  

• case RK818_ID:

• mask = 1 << 6;
  

• val = pmic_reg_read(dev->parent, REG_SLEEP_SET_OFF1);
  

• if (val < 0)
  

• 	return val;
  

• ret = val & mask ? 0 : 1;
  

• break;
  

• }
• return ret;

+}

+/*

• • RK8xx switch does not need to set the voltage,
• • but if dts set regulator-min-microvolt/regulator-max-microvolt,
• • will cause regulator set value fail and not to enable this switch.
• • So add an empty function to return success.
• */

+static int switch_get_value(struct udevice *dev) +{

• return 0;

+}

+static int switch_set_value(struct udevice *dev, int uvolt) +{

• return 0;

+}

• static int rk8xx_buck_probe(struct udevice *dev) { struct dm_regulator_uclass_platdata *uc_pdata;

@@ -315,20 +684,34 @@ static int rk8xx_switch_probe(struct udevice *dev) static const struct dm_regulator_ops rk8xx_buck_ops = { .get_value = buck_get_value, .set_value = buck_set_value,

• .set_suspend_value = buck_set_suspend_value,

• .get_suspend_value = buck_get_suspend_value, .get_enable = buck_get_enable, .set_enable = buck_set_enable,

• .set_suspend_enable = buck_set_suspend_enable,

• .get_suspend_enable = buck_get_suspend_enable, };

  static const struct dm_regulator_ops rk8xx_ldo_ops = { .get_value = ldo_get_value, .set_value = ldo_set_value,

• .set_suspend_value = ldo_set_suspend_value,

• .get_suspend_value = ldo_get_suspend_value, .get_enable = ldo_get_enable, .set_enable = ldo_set_enable,

• .set_suspend_enable = ldo_set_suspend_enable,

• .get_suspend_enable = ldo_get_suspend_enable, };

  static const struct dm_regulator_ops rk8xx_switch_ops = {

• .get_value = switch_get_value,

• .set_value = switch_set_value, .get_enable = switch_get_enable, .set_enable = switch_set_enable,

• .set_suspend_enable = switch_set_suspend_enable,

• .get_suspend_enable = switch_get_suspend_enable,

• .set_suspend_value = switch_set_suspend_value,

• .get_suspend_value = switch_get_suspend_value, };

  U_BOOT_DRIVER(rk8xx_buck) = {