aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/regulator/88pm8607.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator/88pm8607.c')
-rw-r--r--drivers/regulator/88pm8607.c179
1 files changed, 52 insertions, 127 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 28b81ae4cf7f..c3482b954cb7 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -27,13 +27,8 @@ struct pm8607_regulator_info {
unsigned int *vol_table;
unsigned int *vol_suspend;
- int vol_reg;
- int vol_shift;
- int vol_nbits;
int update_reg;
int update_bit;
- int enable_reg;
- int enable_bit;
int slope_double;
};
@@ -216,7 +211,7 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
int ret = -EINVAL;
- if (info->vol_table && (index < (1 << info->vol_nbits))) {
+ if (info->vol_table && (index < rdev->desc->n_voltages)) {
ret = info->vol_table[index];
if (info->slope_double)
ret <<= 1;
@@ -224,51 +219,16 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
return ret;
}
-static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- int i, ret = -ENOENT;
-
- if (info->slope_double) {
- min_uV = min_uV >> 1;
- max_uV = max_uV >> 1;
- }
- if (info->vol_table) {
- for (i = 0; i < (1 << info->vol_nbits); i++) {
- if (!info->vol_table[i])
- break;
- if ((min_uV <= info->vol_table[i])
- && (max_uV >= info->vol_table[i])) {
- ret = i;
- break;
- }
- }
- }
- if (ret < 0)
- pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
- return ret;
-}
-
-static int pm8607_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t val, mask;
+ uint8_t val;
int ret;
- if (min_uV > max_uV) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
+ val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));
- ret = choose_voltage(rdev, min_uV, max_uV);
- if (ret < 0)
- return -EINVAL;
- *selector = ret;
- val = (uint8_t)(ret << info->vol_shift);
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
-
- ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
+ ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, val);
if (ret)
return ret;
switch (info->desc.id) {
@@ -282,60 +242,16 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
return ret;
}
-static int pm8607_get_voltage(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t val, mask;
- int ret;
-
- ret = pm860x_reg_read(info->i2c, info->vol_reg);
- if (ret < 0)
- return ret;
-
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val = ((unsigned char)ret & mask) >> info->vol_shift;
-
- return pm8607_list_voltage(rdev, val);
-}
-
-static int pm8607_enable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
- return pm860x_set_bits(info->i2c, info->enable_reg,
- 1 << info->enable_bit,
- 1 << info->enable_bit);
-}
-
-static int pm8607_disable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
- return pm860x_set_bits(info->i2c, info->enable_reg,
- 1 << info->enable_bit, 0);
-}
-
-static int pm8607_is_enabled(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- int ret;
-
- ret = pm860x_reg_read(info->i2c, info->enable_reg);
- if (ret < 0)
- return ret;
-
- return !!((unsigned char)ret & (1 << info->enable_bit));
-}
-
static struct regulator_ops pm8607_regulator_ops = {
- .set_voltage = pm8607_set_voltage,
- .get_voltage = pm8607_get_voltage,
- .enable = pm8607_enable,
- .disable = pm8607_disable,
- .is_enabled = pm8607_is_enabled,
+ .list_voltage = pm8607_list_voltage,
+ .set_voltage_sel = pm8607_set_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
};
-#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit) \
+#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
{ \
.desc = { \
.name = #vreg, \
@@ -343,20 +259,20 @@ static struct regulator_ops pm8607_regulator_ops = {
.type = REGULATOR_VOLTAGE, \
.id = PM8607_ID_##vreg, \
.owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(vreg##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
+ .enable_reg = PM8607_##ereg, \
+ .enable_mask = 1 << (ebit), \
}, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (0), \
- .vol_nbits = (nbits), \
.update_reg = PM8607_##ureg, \
.update_bit = (ubit), \
- .enable_reg = PM8607_##ereg, \
- .enable_bit = (ebit), \
.slope_double = (0), \
.vol_table = (unsigned int *)&vreg##_table, \
.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
}
-#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit) \
+#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
{ \
.desc = { \
.name = "LDO" #_id, \
@@ -364,35 +280,35 @@ static struct regulator_ops pm8607_regulator_ops = {
.type = REGULATOR_VOLTAGE, \
.id = PM8607_ID_LDO##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(LDO##_id##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
+ .enable_reg = PM8607_##ereg, \
+ .enable_mask = 1 << (ebit), \
}, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (shift), \
- .vol_nbits = (nbits), \
- .enable_reg = PM8607_##ereg, \
- .enable_bit = (ebit), \
.slope_double = (0), \
.vol_table = (unsigned int *)&LDO##_id##_table, \
.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
}
static struct pm8607_regulator_info pm8607_regulator_info[] = {
- PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
- PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
- PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
-
- PM8607_LDO( 1, LDO1, 0, 2, SUPPLIES_EN11, 3),
- PM8607_LDO( 2, LDO2, 0, 3, SUPPLIES_EN11, 4),
- PM8607_LDO( 3, LDO3, 0, 3, SUPPLIES_EN11, 5),
- PM8607_LDO( 4, LDO4, 0, 3, SUPPLIES_EN11, 6),
- PM8607_LDO( 5, LDO5, 0, 2, SUPPLIES_EN11, 7),
- PM8607_LDO( 6, LDO6, 0, 3, SUPPLIES_EN12, 0),
- PM8607_LDO( 7, LDO7, 0, 3, SUPPLIES_EN12, 1),
- PM8607_LDO( 8, LDO8, 0, 3, SUPPLIES_EN12, 2),
- PM8607_LDO( 9, LDO9, 0, 3, SUPPLIES_EN12, 3),
- PM8607_LDO(10, LDO10, 0, 4, SUPPLIES_EN12, 4),
- PM8607_LDO(12, LDO12, 0, 4, SUPPLIES_EN12, 5),
- PM8607_LDO(13, VIBRATOR_SET, 1, 3, VIBRATOR_SET, 0),
- PM8607_LDO(14, LDO14, 0, 3, SUPPLIES_EN12, 6),
+ PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
+ PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
+ PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
+
+ PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
+ PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
+ PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
+ PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
+ PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
+ PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
+ PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
+ PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
+ PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
+ PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
+ PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
+ PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
+ PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
};
static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
@@ -400,6 +316,7 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
struct pm8607_regulator_info *info = NULL;
struct regulator_init_data *pdata = pdev->dev.platform_data;
+ struct regulator_config config = { };
struct resource *res;
int i;
@@ -425,9 +342,17 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
info->slope_double = 1;
+ config.dev = &pdev->dev;
+ config.init_data = pdata;
+ config.driver_data = info;
+
+ if (chip->id == CHIP_PM8607)
+ config.regmap = chip->regmap;
+ else
+ config.regmap = chip->regmap_companion;
+
/* replace driver_data with info */
- info->regulator = regulator_register(&info->desc, &pdev->dev,
- pdata, info, NULL);
+ info->regulator = regulator_register(&info->desc, &config);
if (IS_ERR(info->regulator)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
info->desc.name);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.