[U-Boot] [PATCH v3 2/8] power: regulator: rk8xx: update the driver for rk808 and rk818
Elaine Zhang
zhangqing at rock-chips.com
Thu Sep 19 08:08:07 UTC 2019
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 at rock-chips.com>
---
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) = {
--
1.9.1
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