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path: root/drivers/regulator/rk808-regulator.c
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Diffstat (limited to 'drivers/regulator/rk808-regulator.c')
-rw-r--r--drivers/regulator/rk808-regulator.c116
1 files changed, 51 insertions, 65 deletions
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index e926c1a85846..127dc2e2e690 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -158,13 +158,6 @@ struct rk808_regulator_data {
struct gpio_desc *dvs_gpio[2];
};
-static const int rk808_buck_config_regs[] = {
- RK808_BUCK1_CONFIG_REG,
- RK808_BUCK2_CONFIG_REG,
- RK808_BUCK3_CONFIG_REG,
- RK808_BUCK4_CONFIG_REG,
-};
-
static const struct linear_range rk808_ldo3_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
@@ -215,6 +208,15 @@ static const struct linear_range rk817_buck3_voltage_ranges[] = {
RK817_BUCK3_SEL_CNT, RK817_BUCK1_STP1),
};
+static const unsigned int rk808_buck1_2_ramp_table[] = {
+ 2000, 4000, 6000, 10000
+};
+
+/* RK817 RK809 */
+static const unsigned int rk817_buck1_4_ramp_table[] = {
+ 3000, 6300, 12500, 25000
+};
+
static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
{
struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
@@ -340,62 +342,6 @@ static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
return regulator_set_voltage_time_sel(rdev, old_selector, new_selector);
}
-static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
-{
- unsigned int ramp_value = RK808_RAMP_RATE_10MV_PER_US;
- unsigned int reg = rk808_buck_config_regs[rdev_get_id(rdev)];
-
- switch (ramp_delay) {
- case 1 ... 2000:
- ramp_value = RK808_RAMP_RATE_2MV_PER_US;
- break;
- case 2001 ... 4000:
- ramp_value = RK808_RAMP_RATE_4MV_PER_US;
- break;
- case 4001 ... 6000:
- ramp_value = RK808_RAMP_RATE_6MV_PER_US;
- break;
- case 6001 ... 10000:
- break;
- default:
- pr_warn("%s ramp_delay: %d not supported, setting 10000\n",
- rdev->desc->name, ramp_delay);
- }
-
- return regmap_update_bits(rdev->regmap, reg,
- RK808_RAMP_RATE_MASK, ramp_value);
-}
-
-/*
- * RK817 RK809
- */
-static int rk817_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
-{
- unsigned int ramp_value = RK817_RAMP_RATE_25MV_PER_US;
- unsigned int reg = RK817_BUCK_CONFIG_REG(rdev_get_id(rdev));
-
- switch (ramp_delay) {
- case 0 ... 3000:
- ramp_value = RK817_RAMP_RATE_3MV_PER_US;
- break;
- case 3001 ... 6300:
- ramp_value = RK817_RAMP_RATE_6_3MV_PER_US;
- break;
- case 6301 ... 12500:
- ramp_value = RK817_RAMP_RATE_12_5MV_PER_US;
- break;
- case 12501 ... 25000:
- break;
- default:
- dev_warn(&rdev->dev,
- "%s ramp_delay: %d not supported, setting 25000\n",
- rdev->desc->name, ramp_delay);
- }
-
- return regmap_update_bits(rdev->regmap, reg,
- RK817_RAMP_RATE_MASK, ramp_value);
-}
-
static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv)
{
unsigned int reg;
@@ -625,7 +571,7 @@ static const struct regulator_ops rk808_buck1_2_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
- .set_ramp_delay = rk808_set_ramp_delay,
+ .set_ramp_delay = regulator_set_ramp_delay_regmap,
.set_suspend_voltage = rk808_set_suspend_voltage,
.set_suspend_enable = rk808_set_suspend_enable,
.set_suspend_disable = rk808_set_suspend_disable,
@@ -722,7 +668,7 @@ static const struct regulator_ops rk817_buck_ops_range = {
.set_mode = rk8xx_set_mode,
.get_mode = rk8xx_get_mode,
.set_suspend_mode = rk8xx_set_suspend_mode,
- .set_ramp_delay = rk817_set_ramp_delay,
+ .set_ramp_delay = regulator_set_ramp_delay_regmap,
.set_suspend_voltage = rk808_set_suspend_voltage_range,
.set_suspend_enable = rk817_set_suspend_enable,
.set_suspend_disable = rk817_set_suspend_disable,
@@ -814,6 +760,10 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_BUCK_VSEL_MASK,
.enable_reg = RK808_DCDC_EN_REG,
.enable_mask = BIT(0),
+ .ramp_reg = RK808_BUCK1_CONFIG_REG,
+ .ramp_mask = RK808_RAMP_RATE_MASK,
+ .ramp_delay_table = rk808_buck1_2_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk808_buck1_2_ramp_table),
.owner = THIS_MODULE,
}, {
.name = "DCDC_REG2",
@@ -830,6 +780,10 @@ static const struct regulator_desc rk808_reg[] = {
.vsel_mask = RK808_BUCK_VSEL_MASK,
.enable_reg = RK808_DCDC_EN_REG,
.enable_mask = BIT(1),
+ .ramp_reg = RK808_BUCK2_CONFIG_REG,
+ .ramp_mask = RK808_RAMP_RATE_MASK,
+ .ramp_delay_table = rk808_buck1_2_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk808_buck1_2_ramp_table),
.owner = THIS_MODULE,
}, {
.name = "DCDC_REG3",
@@ -910,6 +864,10 @@ static const struct regulator_desc rk809_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
.enable_val = ENABLE_MASK(RK817_ID_DCDC1),
.disable_val = DISABLE_VAL(RK817_ID_DCDC1),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC1),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
}, {
@@ -929,6 +887,10 @@ static const struct regulator_desc rk809_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
.enable_val = ENABLE_MASK(RK817_ID_DCDC2),
.disable_val = DISABLE_VAL(RK817_ID_DCDC2),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC2),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
}, {
@@ -948,6 +910,10 @@ static const struct regulator_desc rk809_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
.enable_val = ENABLE_MASK(RK817_ID_DCDC3),
.disable_val = DISABLE_VAL(RK817_ID_DCDC3),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC3),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
}, {
@@ -967,6 +933,10 @@ static const struct regulator_desc rk809_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
.enable_val = ENABLE_MASK(RK817_ID_DCDC4),
.disable_val = DISABLE_VAL(RK817_ID_DCDC4),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC4),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
},
@@ -1052,6 +1022,10 @@ static const struct regulator_desc rk817_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
.enable_val = ENABLE_MASK(RK817_ID_DCDC1),
.disable_val = DISABLE_VAL(RK817_ID_DCDC1),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC1),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
}, {
@@ -1071,6 +1045,10 @@ static const struct regulator_desc rk817_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
.enable_val = ENABLE_MASK(RK817_ID_DCDC2),
.disable_val = DISABLE_VAL(RK817_ID_DCDC2),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC2),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
}, {
@@ -1090,6 +1068,10 @@ static const struct regulator_desc rk817_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
.enable_val = ENABLE_MASK(RK817_ID_DCDC3),
.disable_val = DISABLE_VAL(RK817_ID_DCDC3),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC3),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
}, {
@@ -1109,6 +1091,10 @@ static const struct regulator_desc rk817_reg[] = {
.enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
.enable_val = ENABLE_MASK(RK817_ID_DCDC4),
.disable_val = DISABLE_VAL(RK817_ID_DCDC4),
+ .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC4),
+ .ramp_mask = RK817_RAMP_RATE_MASK,
+ .ramp_delay_table = rk817_buck1_4_ramp_table,
+ .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
.of_map_mode = rk8xx_regulator_of_map_mode,
.owner = THIS_MODULE,
},