summaryrefslogtreecommitdiffstats
path: root/drivers/regulator/ab3100.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator/ab3100.c')
-rw-r--r--drivers/regulator/ab3100.c119
1 files changed, 40 insertions, 79 deletions
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 03f4d9c604e..182b553059c 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -43,20 +43,12 @@
* @dev: handle to the device
* @plfdata: AB3100 platform data passed in at probe time
* @regreg: regulator register number in the AB3100
- * @fixed_voltage: a fixed voltage for this regulator, if this
- * 0 the voltages array is used instead.
- * @typ_voltages: an array of available typical voltages for
- * this regulator
- * @voltages_len: length of the array of available voltages
*/
struct ab3100_regulator {
struct regulator_dev *rdev;
struct device *dev;
struct ab3100_platform_data *plfdata;
u8 regreg;
- int fixed_voltage;
- int const *typ_voltages;
- u8 voltages_len;
};
/* The order in which registers are initialized */
@@ -80,7 +72,7 @@ static const u8 ab3100_reg_init_order[AB3100_NUM_REGULATORS+2] = {
#define LDO_C_VOLTAGE 2650000
#define LDO_D_VOLTAGE 2650000
-static const int ldo_e_buck_typ_voltages[] = {
+static const unsigned int ldo_e_buck_typ_voltages[] = {
1800000,
1400000,
1300000,
@@ -90,7 +82,7 @@ static const int ldo_e_buck_typ_voltages[] = {
900000,
};
-static const int ldo_f_typ_voltages[] = {
+static const unsigned int ldo_f_typ_voltages[] = {
1800000,
1400000,
1300000,
@@ -101,21 +93,21 @@ static const int ldo_f_typ_voltages[] = {
2650000,
};
-static const int ldo_g_typ_voltages[] = {
+static const unsigned int ldo_g_typ_voltages[] = {
2850000,
2750000,
1800000,
1500000,
};
-static const int ldo_h_typ_voltages[] = {
+static const unsigned int ldo_h_typ_voltages[] = {
2750000,
1800000,
1500000,
1200000,
};
-static const int ldo_k_typ_voltages[] = {
+static const unsigned int ldo_k_typ_voltages[] = {
2750000,
1800000,
};
@@ -126,40 +118,27 @@ static struct ab3100_regulator
ab3100_regulators[AB3100_NUM_REGULATORS] = {
{
.regreg = AB3100_LDO_A,
- .fixed_voltage = LDO_A_VOLTAGE,
},
{
.regreg = AB3100_LDO_C,
- .fixed_voltage = LDO_C_VOLTAGE,
},
{
.regreg = AB3100_LDO_D,
- .fixed_voltage = LDO_D_VOLTAGE,
},
{
.regreg = AB3100_LDO_E,
- .typ_voltages = ldo_e_buck_typ_voltages,
- .voltages_len = ARRAY_SIZE(ldo_e_buck_typ_voltages),
},
{
.regreg = AB3100_LDO_F,
- .typ_voltages = ldo_f_typ_voltages,
- .voltages_len = ARRAY_SIZE(ldo_f_typ_voltages),
},
{
.regreg = AB3100_LDO_G,
- .typ_voltages = ldo_g_typ_voltages,
- .voltages_len = ARRAY_SIZE(ldo_g_typ_voltages),
},
{
.regreg = AB3100_LDO_H,
- .typ_voltages = ldo_h_typ_voltages,
- .voltages_len = ARRAY_SIZE(ldo_h_typ_voltages),
},
{
.regreg = AB3100_LDO_K,
- .typ_voltages = ldo_k_typ_voltages,
- .voltages_len = ARRAY_SIZE(ldo_k_typ_voltages),
},
{
.regreg = AB3100_LDO_EXT,
@@ -167,8 +146,6 @@ ab3100_regulators[AB3100_NUM_REGULATORS] = {
},
{
.regreg = AB3100_BUCK,
- .typ_voltages = ldo_e_buck_typ_voltages,
- .voltages_len = ARRAY_SIZE(ldo_e_buck_typ_voltages),
},
};
@@ -178,7 +155,7 @@ ab3100_regulators[AB3100_NUM_REGULATORS] = {
*/
static int ab3100_enable_regulator(struct regulator_dev *reg)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
int err;
u8 regval;
@@ -209,7 +186,7 @@ static int ab3100_enable_regulator(struct regulator_dev *reg)
static int ab3100_disable_regulator(struct regulator_dev *reg)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
int err;
u8 regval;
@@ -242,7 +219,7 @@ static int ab3100_disable_regulator(struct regulator_dev *reg)
static int ab3100_is_enabled_regulator(struct regulator_dev *reg)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
u8 regval;
int err;
@@ -257,26 +234,12 @@ static int ab3100_is_enabled_regulator(struct regulator_dev *reg)
return regval & AB3100_REG_ON_MASK;
}
-static int ab3100_list_voltage_regulator(struct regulator_dev *reg,
- unsigned selector)
-{
- struct ab3100_regulator *abreg = reg->reg_data;
-
- if (selector >= abreg->voltages_len)
- return -EINVAL;
- return abreg->typ_voltages[selector];
-}
-
static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
u8 regval;
int err;
- /* Return the voltage for fixed regulators immediately */
- if (abreg->fixed_voltage)
- return abreg->fixed_voltage;
-
/*
* For variable types, read out setting and index into
* supplied voltage list.
@@ -294,20 +257,20 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
regval &= 0xE0;
regval >>= 5;
- if (regval >= abreg->voltages_len) {
+ if (regval >= reg->desc->n_voltages) {
dev_err(&reg->dev,
"regulator register %02x contains an illegal voltage setting\n",
abreg->regreg);
return -EINVAL;
}
- return abreg->typ_voltages[regval];
+ return reg->desc->volt_table[regval];
}
static int ab3100_set_voltage_regulator_sel(struct regulator_dev *reg,
unsigned selector)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
u8 regval;
int err;
@@ -336,7 +299,7 @@ static int ab3100_set_voltage_regulator_sel(struct regulator_dev *reg,
static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg,
int uV)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
u8 regval;
int err;
int bestindex;
@@ -379,42 +342,22 @@ static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg,
*/
static int ab3100_get_voltage_regulator_external(struct regulator_dev *reg)
{
- struct ab3100_regulator *abreg = reg->reg_data;
+ struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
return abreg->plfdata->external_voltage;
}
-static int ab3100_enable_time_regulator(struct regulator_dev *reg)
+static int ab3100_get_fixed_voltage_regulator(struct regulator_dev *reg)
{
- struct ab3100_regulator *abreg = reg->reg_data;
-
- /* Per-regulator power on delay from spec */
- switch (abreg->regreg) {
- case AB3100_LDO_A: /* Fallthrough */
- case AB3100_LDO_C: /* Fallthrough */
- case AB3100_LDO_D: /* Fallthrough */
- case AB3100_LDO_E: /* Fallthrough */
- case AB3100_LDO_H: /* Fallthrough */
- case AB3100_LDO_K:
- return 200;
- case AB3100_LDO_F:
- return 600;
- case AB3100_LDO_G:
- return 400;
- case AB3100_BUCK:
- return 1000;
- default:
- break;
- }
- return 0;
+ return reg->desc->min_uV;
}
static struct regulator_ops regulator_ops_fixed = {
+ .list_voltage = regulator_list_voltage_linear,
.enable = ab3100_enable_regulator,
.disable = ab3100_disable_regulator,
.is_enabled = ab3100_is_enabled_regulator,
- .get_voltage = ab3100_get_voltage_regulator,
- .enable_time = ab3100_enable_time_regulator,
+ .get_voltage = ab3100_get_fixed_voltage_regulator,
};
static struct regulator_ops regulator_ops_variable = {
@@ -423,8 +366,7 @@ static struct regulator_ops regulator_ops_variable = {
.is_enabled = ab3100_is_enabled_regulator,
.get_voltage = ab3100_get_voltage_regulator,
.set_voltage_sel = ab3100_set_voltage_regulator_sel,
- .list_voltage = ab3100_list_voltage_regulator,
- .enable_time = ab3100_enable_time_regulator,
+ .list_voltage = regulator_list_voltage_table,
};
static struct regulator_ops regulator_ops_variable_sleepable = {
@@ -434,8 +376,7 @@ static struct regulator_ops regulator_ops_variable_sleepable = {
.get_voltage = ab3100_get_voltage_regulator,
.set_voltage_sel = ab3100_set_voltage_regulator_sel,
.set_suspend_voltage = ab3100_set_suspend_voltage_regulator,
- .list_voltage = ab3100_list_voltage_regulator,
- .enable_time = ab3100_enable_time_regulator,
+ .list_voltage = regulator_list_voltage_table,
};
/*
@@ -457,62 +398,81 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
.name = "LDO_A",
.id = AB3100_LDO_A,
.ops = &regulator_ops_fixed,
+ .n_voltages = 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .min_uV = LDO_A_VOLTAGE,
+ .enable_time = 200,
},
{
.name = "LDO_C",
.id = AB3100_LDO_C,
.ops = &regulator_ops_fixed,
+ .n_voltages = 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .min_uV = LDO_C_VOLTAGE,
+ .enable_time = 200,
},
{
.name = "LDO_D",
.id = AB3100_LDO_D,
.ops = &regulator_ops_fixed,
+ .n_voltages = 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .min_uV = LDO_D_VOLTAGE,
+ .enable_time = 200,
},
{
.name = "LDO_E",
.id = AB3100_LDO_E,
.ops = &regulator_ops_variable_sleepable,
.n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages),
+ .volt_table = ldo_e_buck_typ_voltages,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .enable_time = 200,
},
{
.name = "LDO_F",
.id = AB3100_LDO_F,
.ops = &regulator_ops_variable,
.n_voltages = ARRAY_SIZE(ldo_f_typ_voltages),
+ .volt_table = ldo_f_typ_voltages,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .enable_time = 600,
},
{
.name = "LDO_G",
.id = AB3100_LDO_G,
.ops = &regulator_ops_variable,
.n_voltages = ARRAY_SIZE(ldo_g_typ_voltages),
+ .volt_table = ldo_g_typ_voltages,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .enable_time = 400,
},
{
.name = "LDO_H",
.id = AB3100_LDO_H,
.ops = &regulator_ops_variable,
.n_voltages = ARRAY_SIZE(ldo_h_typ_voltages),
+ .volt_table = ldo_h_typ_voltages,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .enable_time = 200,
},
{
.name = "LDO_K",
.id = AB3100_LDO_K,
.ops = &regulator_ops_variable,
.n_voltages = ARRAY_SIZE(ldo_k_typ_voltages),
+ .volt_table = ldo_k_typ_voltages,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .enable_time = 200,
},
{
.name = "LDO_EXT",
@@ -528,6 +488,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
.n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages),
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .enable_time = 1000,
},
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 08:45:57 +0000