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path: root/drivers/regulator/tps65023-regulator.c
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Diffstat (limited to 'drivers/regulator/tps65023-regulator.c')
-rw-r--r--drivers/regulator/tps65023-regulator.c266
1 files changed, 79 insertions, 187 deletions
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 8f1be8586c7..3ef67a86115 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -69,10 +69,6 @@
#define TPS65023_REG_CTRL2_DCDC1 BIT(1)
#define TPS65023_REG_CTRL2_DCDC3 BIT(0)
-/* LDO_CTRL bitfields */
-#define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id) ((ldo_id)*4)
-#define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0x07 << ((ldo_id)*4))
-
/* Number of step-down converters available */
#define TPS65023_NUM_DCDC 3
/* Number of LDO voltage regulators available */
@@ -91,48 +87,48 @@
#define TPS65023_MAX_REG_ID TPS65023_LDO_2
/* Supported voltage values for regulators */
-static const u16 VCORE_VSEL_table[] = {
- 800, 825, 850, 875,
- 900, 925, 950, 975,
- 1000, 1025, 1050, 1075,
- 1100, 1125, 1150, 1175,
- 1200, 1225, 1250, 1275,
- 1300, 1325, 1350, 1375,
- 1400, 1425, 1450, 1475,
- 1500, 1525, 1550, 1600,
+static const unsigned int VCORE_VSEL_table[] = {
+ 800000, 825000, 850000, 875000,
+ 900000, 925000, 950000, 975000,
+ 1000000, 1025000, 1050000, 1075000,
+ 1100000, 1125000, 1150000, 1175000,
+ 1200000, 1225000, 1250000, 1275000,
+ 1300000, 1325000, 1350000, 1375000,
+ 1400000, 1425000, 1450000, 1475000,
+ 1500000, 1525000, 1550000, 1600000,
};
-/* Supported voltage values for LDO regulators for tps65020 */
-static const u16 TPS65020_LDO1_VSEL_table[] = {
- 1000, 1050, 1100, 1300,
- 1800, 2500, 3000, 3300,
+static const unsigned int DCDC_FIXED_3300000_VSEL_table[] = {
+ 3300000,
};
-static const u16 TPS65020_LDO2_VSEL_table[] = {
- 1000, 1050, 1100, 1300,
- 1800, 2500, 3000, 3300,
+static const unsigned int DCDC_FIXED_1800000_VSEL_table[] = {
+ 1800000,
+};
+
+/* Supported voltage values for LDO regulators for tps65020 */
+static const unsigned int TPS65020_LDO_VSEL_table[] = {
+ 1000000, 1050000, 1100000, 1300000,
+ 1800000, 2500000, 3000000, 3300000,
};
/* Supported voltage values for LDO regulators
* for tps65021 and tps65023 */
-static const u16 TPS65023_LDO1_VSEL_table[] = {
- 1000, 1100, 1300, 1800,
- 2200, 2600, 2800, 3150,
+static const unsigned int TPS65023_LDO1_VSEL_table[] = {
+ 1000000, 1100000, 1300000, 1800000,
+ 2200000, 2600000, 2800000, 3150000,
};
-static const u16 TPS65023_LDO2_VSEL_table[] = {
- 1050, 1200, 1300, 1800,
- 2500, 2800, 3000, 3300,
+static const unsigned int TPS65023_LDO2_VSEL_table[] = {
+ 1050000, 1200000, 1300000, 1800000,
+ 2500000, 2800000, 3000000, 3300000,
};
/* Regulator specific details */
struct tps_info {
const char *name;
- unsigned min_uV;
- unsigned max_uV;
- bool fixed;
u8 table_len;
- const u16 *table;
+ const unsigned int *table;
};
/* PMIC details */
@@ -150,23 +146,18 @@ struct tps_driver_data {
u8 core_regulator;
};
-static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
+static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
- int ret;
- int data, dcdc = rdev_get_id(dev);
+ int dcdc = rdev_get_id(dev);
if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
return -EINVAL;
- if (dcdc == tps->core_regulator) {
- ret = regmap_read(tps->regmap, TPS65023_REG_DEF_CORE, &data);
- if (ret != 0)
- return ret;
- data &= (tps->info[dcdc]->table_len - 1);
- return tps->info[dcdc]->table[data] * 1000;
- } else
- return tps->info[dcdc]->min_uV;
+ if (dcdc != tps->core_regulator)
+ return 0;
+
+ return regulator_get_voltage_sel_regmap(dev);
}
static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
@@ -174,85 +165,11 @@ static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
- int ret;
if (dcdc != tps->core_regulator)
return -EINVAL;
- ret = regmap_write(tps->regmap, TPS65023_REG_DEF_CORE, selector);
- if (ret)
- goto out;
-
- /* Tell the chip that we have changed the value in DEFCORE
- * and its time to update the core voltage
- */
- ret = regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_GO, TPS65023_REG_CTRL2_GO);
-
-out:
- return ret;
-}
-
-static int tps65023_ldo_get_voltage(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int data, ldo = rdev_get_id(dev);
- int ret;
-
- if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
- return -EINVAL;
-
- ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
- if (ret != 0)
- return ret;
-
- data >>= (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1));
- data &= (tps->info[ldo]->table_len - 1);
- return tps->info[ldo]->table[data] * 1000;
-}
-
-static int tps65023_ldo_set_voltage_sel(struct regulator_dev *dev,
- unsigned selector)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int ldo_index = rdev_get_id(dev) - TPS65023_LDO_1;
-
- return regmap_update_bits(tps->regmap, TPS65023_REG_LDO_CTRL,
- TPS65023_LDO_CTRL_LDOx_MASK(ldo_index),
- selector << TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_index));
-}
-
-static int tps65023_dcdc_list_voltage(struct regulator_dev *dev,
- unsigned selector)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int dcdc = rdev_get_id(dev);
-
- if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
- return -EINVAL;
-
- if (dcdc == tps->core_regulator) {
- if (selector >= tps->info[dcdc]->table_len)
- return -EINVAL;
- else
- return tps->info[dcdc]->table[selector] * 1000;
- } else
- return tps->info[dcdc]->min_uV;
-}
-
-static int tps65023_ldo_list_voltage(struct regulator_dev *dev,
- unsigned selector)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int ldo = rdev_get_id(dev);
-
- if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
- return -EINVAL;
-
- if (selector >= tps->info[ldo]->table_len)
- return -EINVAL;
- else
- return tps->info[ldo]->table[selector] * 1000;
+ return regulator_set_voltage_sel_regmap(dev, selector);
}
/* Operations permitted on VDCDCx */
@@ -260,9 +177,10 @@ static struct regulator_ops tps65023_dcdc_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
- .get_voltage = tps65023_dcdc_get_voltage,
+ .get_voltage_sel = tps65023_dcdc_get_voltage_sel,
.set_voltage_sel = tps65023_dcdc_set_voltage_sel,
- .list_voltage = tps65023_dcdc_list_voltage,
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
};
/* Operations permitted on LDOx */
@@ -270,9 +188,10 @@ static struct regulator_ops tps65023_ldo_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
- .get_voltage = tps65023_ldo_get_voltage,
- .set_voltage_sel = tps65023_ldo_set_voltage_sel,
- .list_voltage = tps65023_ldo_list_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
};
static struct regmap_config tps65023_regmap_config = {
@@ -280,7 +199,7 @@ static struct regmap_config tps65023_regmap_config = {
.val_bits = 8,
};
-static int __devinit tps_65023_probe(struct i2c_client *client,
+static int tps_65023_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
const struct tps_driver_data *drv_data = (void *)id->driver_data;
@@ -299,7 +218,7 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
* init_data points to array of regulator_init structures
* coming from the board-evm file.
*/
- init_data = client->dev.platform_data;
+ init_data = dev_get_platdata(&client->dev);
if (!init_data)
return -EIO;
@@ -325,19 +244,32 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
tps->desc[i].name = info->name;
tps->desc[i].id = i;
tps->desc[i].n_voltages = info->table_len;
+ tps->desc[i].volt_table = info->table;
tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
&tps65023_ldo_ops : &tps65023_dcdc_ops);
tps->desc[i].type = REGULATOR_VOLTAGE;
tps->desc[i].owner = THIS_MODULE;
tps->desc[i].enable_reg = TPS65023_REG_REG_CTRL;
- if (i == TPS65023_LDO_1)
+ switch (i) {
+ case TPS65023_LDO_1:
+ tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
+ tps->desc[i].vsel_mask = 0x07;
tps->desc[i].enable_mask = 1 << 1;
- else if (i == TPS65023_LDO_2)
+ break;
+ case TPS65023_LDO_2:
+ tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
+ tps->desc[i].vsel_mask = 0x70;
tps->desc[i].enable_mask = 1 << 2;
- else /* DCDCx */
+ break;
+ default: /* DCDCx */
tps->desc[i].enable_mask =
1 << (TPS65023_NUM_REGULATOR - i);
+ tps->desc[i].vsel_reg = TPS65023_REG_DEF_CORE;
+ tps->desc[i].vsel_mask = info->table_len - 1;
+ tps->desc[i].apply_reg = TPS65023_REG_CON_CTRL2;
+ tps->desc[i].apply_bit = TPS65023_REG_CTRL2_GO;
+ }
config.dev = &client->dev;
config.init_data = init_data;
@@ -345,12 +277,12 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
config.regmap = tps->regmap;
/* Register the regulators */
- rdev = regulator_register(&tps->desc[i], &config);
+ rdev = devm_regulator_register(&client->dev, &tps->desc[i],
+ &config);
if (IS_ERR(rdev)) {
dev_err(&client->dev, "failed to register %s\n",
id->name);
- error = PTR_ERR(rdev);
- goto fail;
+ return PTR_ERR(rdev);
}
/* Save regulator for cleanup */
@@ -361,94 +293,63 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
/* Enable setting output voltage by I2C */
regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
-
- return 0;
+ TPS65023_REG_CTRL2_CORE_ADJ,
+ TPS65023_REG_CTRL2_CORE_ADJ);
- fail:
- while (--i >= 0)
- regulator_unregister(tps->rdev[i]);
- return error;
-}
-
-static int __devexit tps_65023_remove(struct i2c_client *client)
-{
- struct tps_pmic *tps = i2c_get_clientdata(client);
- int i;
-
- for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
- regulator_unregister(tps->rdev[i]);
return 0;
}
static const struct tps_info tps65020_regs[] = {
{
.name = "VDCDC1",
- .min_uV = 3300000,
- .max_uV = 3300000,
- .fixed = 1,
+ .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
+ .table = DCDC_FIXED_3300000_VSEL_table,
},
{
.name = "VDCDC2",
- .min_uV = 1800000,
- .max_uV = 1800000,
- .fixed = 1,
+ .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
+ .table = DCDC_FIXED_1800000_VSEL_table,
},
{
.name = "VDCDC3",
- .min_uV = 800000,
- .max_uV = 1600000,
.table_len = ARRAY_SIZE(VCORE_VSEL_table),
.table = VCORE_VSEL_table,
},
-
{
.name = "LDO1",
- .min_uV = 1000000,
- .max_uV = 3150000,
- .table_len = ARRAY_SIZE(TPS65020_LDO1_VSEL_table),
- .table = TPS65020_LDO1_VSEL_table,
+ .table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
+ .table = TPS65020_LDO_VSEL_table,
},
{
.name = "LDO2",
- .min_uV = 1050000,
- .max_uV = 3300000,
- .table_len = ARRAY_SIZE(TPS65020_LDO2_VSEL_table),
- .table = TPS65020_LDO2_VSEL_table,
+ .table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
+ .table = TPS65020_LDO_VSEL_table,
},
};
static const struct tps_info tps65021_regs[] = {
{
.name = "VDCDC1",
- .min_uV = 3300000,
- .max_uV = 3300000,
- .fixed = 1,
+ .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
+ .table = DCDC_FIXED_3300000_VSEL_table,
},
{
.name = "VDCDC2",
- .min_uV = 1800000,
- .max_uV = 1800000,
- .fixed = 1,
+ .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
+ .table = DCDC_FIXED_1800000_VSEL_table,
},
{
.name = "VDCDC3",
- .min_uV = 800000,
- .max_uV = 1600000,
.table_len = ARRAY_SIZE(VCORE_VSEL_table),
.table = VCORE_VSEL_table,
},
{
.name = "LDO1",
- .min_uV = 1000000,
- .max_uV = 3150000,
.table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
.table = TPS65023_LDO1_VSEL_table,
},
{
.name = "LDO2",
- .min_uV = 1050000,
- .max_uV = 3300000,
.table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
.table = TPS65023_LDO2_VSEL_table,
},
@@ -457,34 +358,26 @@ static const struct tps_info tps65021_regs[] = {
static const struct tps_info tps65023_regs[] = {
{
.name = "VDCDC1",
- .min_uV = 800000,
- .max_uV = 1600000,
.table_len = ARRAY_SIZE(VCORE_VSEL_table),
.table = VCORE_VSEL_table,
},
{
.name = "VDCDC2",
- .min_uV = 3300000,
- .max_uV = 3300000,
- .fixed = 1,
+ .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
+ .table = DCDC_FIXED_3300000_VSEL_table,
},
{
.name = "VDCDC3",
- .min_uV = 1800000,
- .max_uV = 1800000,
- .fixed = 1,
+ .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
+ .table = DCDC_FIXED_1800000_VSEL_table,
},
{
.name = "LDO1",
- .min_uV = 1000000,
- .max_uV = 3150000,
.table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
.table = TPS65023_LDO1_VSEL_table,
},
{
.name = "LDO2",
- .min_uV = 1050000,
- .max_uV = 3300000,
.table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
.table = TPS65023_LDO2_VSEL_table,
},
@@ -523,7 +416,6 @@ static struct i2c_driver tps_65023_i2c_driver = {
.owner = THIS_MODULE,
},
.probe = tps_65023_probe,
- .remove = __devexit_p(tps_65023_remove),
.id_table = tps_65023_id,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 13:32:39 +0000