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-rw-r--r--drivers/regulator/88pm800.c236
-rw-r--r--drivers/regulator/Kconfig43
-rw-r--r--drivers/regulator/Makefile3
-rw-r--r--drivers/regulator/act8865-regulator.c1
-rw-r--r--drivers/regulator/ad5398.c1
-rw-r--r--drivers/regulator/axp20x-regulator.c1
-rw-r--r--drivers/regulator/core.c147
-rw-r--r--drivers/regulator/da9062-regulator.c1
-rw-r--r--drivers/regulator/da9210-regulator.c76
-rw-r--r--drivers/regulator/da9211-regulator.c41
-rw-r--r--drivers/regulator/da9211-regulator.h18
-rw-r--r--drivers/regulator/fan53555.c1
-rw-r--r--drivers/regulator/isl6271a-regulator.c1
-rw-r--r--drivers/regulator/isl9305.c2
-rw-r--r--drivers/regulator/lp3971.c1
-rw-r--r--drivers/regulator/lp3972.c1
-rw-r--r--drivers/regulator/lp872x.c17
-rw-r--r--drivers/regulator/ltc3589.c4
-rw-r--r--drivers/regulator/max1586.c1
-rw-r--r--drivers/regulator/max77693.c173
-rw-r--r--drivers/regulator/max77843.c201
-rw-r--r--drivers/regulator/max8660.c1
-rw-r--r--drivers/regulator/max8973-regulator.c81
-rw-r--r--drivers/regulator/mt6311-regulator.c179
-rw-r--r--drivers/regulator/mt6311-regulator.h65
-rw-r--r--drivers/regulator/of_regulator.c3
-rw-r--r--drivers/regulator/pbias-regulator.c5
-rw-r--r--drivers/regulator/pfuze100-regulator.c2
-rw-r--r--drivers/regulator/pwm-regulator.c160
-rw-r--r--drivers/regulator/qcom_smd-regulator.c350
-rw-r--r--drivers/regulator/qcom_spmi-regulator.c203
-rw-r--r--drivers/regulator/rk808-regulator.c212
-rw-r--r--drivers/regulator/tps51632-regulator.c1
-rw-r--r--drivers/regulator/tps62360-regulator.c1
-rw-r--r--drivers/regulator/tps65023-regulator.c1
-rw-r--r--drivers/regulator/tps6586x-regulator.c4
36 files changed, 1683 insertions, 555 deletions
diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c
index 7fd4f511d78f..a62a89674fb5 100644
--- a/drivers/regulator/88pm800.c
+++ b/drivers/regulator/88pm800.c
@@ -78,7 +78,6 @@ struct pm800_regulator_info {
};
struct pm800_regulators {
- struct regulator_dev *regulators[PM800_ID_RG_MAX];
struct pm80x_chip *chip;
struct regmap *map;
};
@@ -92,14 +91,16 @@ struct pm800_regulators {
* not the constant voltage table.
* n_volt - Number of available selectors
*/
-#define PM800_BUCK(vreg, ereg, ebit, amax, volt_ranges, n_volt) \
+#define PM800_BUCK(match, vreg, ereg, ebit, amax, volt_ranges, n_volt) \
{ \
.desc = { \
- .name = #vreg, \
- .ops = &pm800_volt_range_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = PM800_ID_##vreg, \
- .owner = THIS_MODULE, \
+ .name = #vreg, \
+ .of_match = of_match_ptr(#match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .ops = &pm800_volt_range_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = PM800_ID_##vreg, \
+ .owner = THIS_MODULE, \
.n_voltages = n_volt, \
.linear_ranges = volt_ranges, \
.n_linear_ranges = ARRAY_SIZE(volt_ranges), \
@@ -108,7 +109,7 @@ struct pm800_regulators {
.enable_reg = PM800_##ereg, \
.enable_mask = 1 << (ebit), \
}, \
- .max_ua = (amax), \
+ .max_ua = (amax), \
}
/*
@@ -120,22 +121,24 @@ struct pm800_regulators {
* For all the LDOes, there are too many ranges. Using volt_table will be
* simpler and faster.
*/
-#define PM800_LDO(vreg, ereg, ebit, amax, ldo_volt_table) \
+#define PM800_LDO(match, vreg, ereg, ebit, amax, ldo_volt_table) \
{ \
.desc = { \
- .name = #vreg, \
- .ops = &pm800_volt_table_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = PM800_ID_##vreg, \
- .owner = THIS_MODULE, \
- .n_voltages = ARRAY_SIZE(ldo_volt_table), \
- .vsel_reg = PM800_##vreg##_VOUT, \
- .vsel_mask = 0xf, \
- .enable_reg = PM800_##ereg, \
- .enable_mask = 1 << (ebit), \
- .volt_table = ldo_volt_table, \
+ .name = #vreg, \
+ .of_match = of_match_ptr(#match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .ops = &pm800_volt_table_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = PM800_ID_##vreg, \
+ .owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(ldo_volt_table), \
+ .vsel_reg = PM800_##vreg##_VOUT, \
+ .vsel_mask = 0xf, \
+ .enable_reg = PM800_##ereg, \
+ .enable_mask = 1 << (ebit), \
+ .volt_table = ldo_volt_table, \
}, \
- .max_ua = (amax), \
+ .max_ua = (amax), \
}
/* Ranges are sorted in ascending order. */
@@ -178,122 +181,66 @@ static int pm800_get_current_limit(struct regulator_dev *rdev)
}
static struct regulator_ops pm800_volt_range_ops = {
- .list_voltage = regulator_list_voltage_linear_range,
- .map_voltage = regulator_map_voltage_linear_range,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .get_current_limit = pm800_get_current_limit,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .get_current_limit = pm800_get_current_limit,
};
static struct regulator_ops pm800_volt_table_ops = {
- .list_voltage = regulator_list_voltage_table,
- .map_voltage = regulator_map_voltage_iterate,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .get_current_limit = pm800_get_current_limit,
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_iterate,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .get_current_limit = pm800_get_current_limit,
};
/* The array is indexed by id(PM800_ID_XXX) */
static struct pm800_regulator_info pm800_regulator_info[] = {
- PM800_BUCK(BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55),
- PM800_BUCK(BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73),
- PM800_BUCK(BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73),
- PM800_BUCK(BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73),
- PM800_BUCK(BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73),
-
- PM800_LDO(LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table),
- PM800_LDO(LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table),
- PM800_LDO(LDO3, LDO_ENA1_1, 2, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO4, LDO_ENA1_1, 3, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO5, LDO_ENA1_1, 4, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO6, LDO_ENA1_1, 5, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO7, LDO_ENA1_1, 6, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO8, LDO_ENA1_1, 7, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO9, LDO_ENA1_2, 0, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO10, LDO_ENA1_2, 1, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO11, LDO_ENA1_2, 2, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO12, LDO_ENA1_2, 3, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO13, LDO_ENA1_2, 4, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO14, LDO_ENA1_2, 5, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO15, LDO_ENA1_2, 6, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO16, LDO_ENA1_2, 7, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO17, LDO_ENA1_3, 0, 300000, ldo3_17_volt_table),
- PM800_LDO(LDO18, LDO_ENA1_3, 1, 200000, ldo18_19_volt_table),
- PM800_LDO(LDO19, LDO_ENA1_3, 2, 200000, ldo18_19_volt_table),
-};
-
-#define PM800_REGULATOR_OF_MATCH(_name, _id) \
- [PM800_ID_##_id] = { \
- .name = #_name, \
- .driver_data = &pm800_regulator_info[PM800_ID_##_id], \
- }
-
-static struct of_regulator_match pm800_regulator_matches[] = {
- PM800_REGULATOR_OF_MATCH(buck1, BUCK1),
- PM800_REGULATOR_OF_MATCH(buck2, BUCK2),
- PM800_REGULATOR_OF_MATCH(buck3, BUCK3),
- PM800_REGULATOR_OF_MATCH(buck4, BUCK4),
- PM800_REGULATOR_OF_MATCH(buck5, BUCK5),
- PM800_REGULATOR_OF_MATCH(ldo1, LDO1),
- PM800_REGULATOR_OF_MATCH(ldo2, LDO2),
- PM800_REGULATOR_OF_MATCH(ldo3, LDO3),
- PM800_REGULATOR_OF_MATCH(ldo4, LDO4),
- PM800_REGULATOR_OF_MATCH(ldo5, LDO5),
- PM800_REGULATOR_OF_MATCH(ldo6, LDO6),
- PM800_REGULATOR_OF_MATCH(ldo7, LDO7),
- PM800_REGULATOR_OF_MATCH(ldo8, LDO8),
- PM800_REGULATOR_OF_MATCH(ldo9, LDO9),
- PM800_REGULATOR_OF_MATCH(ldo10, LDO10),
- PM800_REGULATOR_OF_MATCH(ldo11, LDO11),
- PM800_REGULATOR_OF_MATCH(ldo12, LDO12),
- PM800_REGULATOR_OF_MATCH(ldo13, LDO13),
- PM800_REGULATOR_OF_MATCH(ldo14, LDO14),
- PM800_REGULATOR_OF_MATCH(ldo15, LDO15),
- PM800_REGULATOR_OF_MATCH(ldo16, LDO16),
- PM800_REGULATOR_OF_MATCH(ldo17, LDO17),
- PM800_REGULATOR_OF_MATCH(ldo18, LDO18),
- PM800_REGULATOR_OF_MATCH(ldo19, LDO19),
+ PM800_BUCK(buck1, BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55),
+ PM800_BUCK(buck2, BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(buck3, BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(buck4, BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(buck5, BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73),
+
+ PM800_LDO(ldo1, LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table),
+ PM800_LDO(ldo2, LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table),
+ PM800_LDO(ldo3, LDO3, LDO_ENA1_1, 2, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo4, LDO4, LDO_ENA1_1, 3, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo5, LDO5, LDO_ENA1_1, 4, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo6, LDO6, LDO_ENA1_1, 5, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo7, LDO7, LDO_ENA1_1, 6, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo8, LDO8, LDO_ENA1_1, 7, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo9, LDO9, LDO_ENA1_2, 0, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo10, LDO10, LDO_ENA1_2, 1, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo11, LDO11, LDO_ENA1_2, 2, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo12, LDO12, LDO_ENA1_2, 3, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo13, LDO13, LDO_ENA1_2, 4, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo14, LDO14, LDO_ENA1_2, 5, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo15, LDO15, LDO_ENA1_2, 6, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo16, LDO16, LDO_ENA1_2, 7, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo17, LDO17, LDO_ENA1_3, 0, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo18, LDO18, LDO_ENA1_3, 1, 200000, ldo18_19_volt_table),
+ PM800_LDO(ldo19, LDO19, LDO_ENA1_3, 2, 200000, ldo18_19_volt_table),
};
-static int pm800_regulator_dt_init(struct platform_device *pdev)
-{
- struct device_node *np = pdev->dev.of_node;
- int ret;
-
- ret = of_regulator_match(&pdev->dev, np,
- pm800_regulator_matches,
- ARRAY_SIZE(pm800_regulator_matches));
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
static int pm800_regulator_probe(struct platform_device *pdev)
{
struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
struct pm80x_platform_data *pdata = dev_get_platdata(pdev->dev.parent);
struct pm800_regulators *pm800_data;
- struct pm800_regulator_info *info;
struct regulator_config config = { };
struct regulator_init_data *init_data;
int i, ret;
- if (!pdata || pdata->num_regulators == 0) {
- if (IS_ENABLED(CONFIG_OF)) {
- ret = pm800_regulator_dt_init(pdev);
- if (ret)
- return ret;
- } else {
- return -ENODEV;
- }
- } else if (pdata->num_regulators) {
+ if (pdata && pdata->num_regulators) {
unsigned int count = 0;
/* Check whether num_regulator is valid. */
@@ -303,8 +250,6 @@ static int pm800_regulator_probe(struct platform_device *pdev)
}
if (count != pdata->num_regulators)
return -EINVAL;
- } else {
- return -EINVAL;
}
pm800_data = devm_kzalloc(&pdev->dev, sizeof(*pm800_data),
@@ -317,30 +262,27 @@ static int pm800_regulator_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pm800_data);
+ config.dev = chip->dev;
+ config.regmap = pm800_data->map;
for (i = 0; i < PM800_ID_RG_MAX; i++) {
- if (!pdata || pdata->num_regulators == 0)
- init_data = pm800_regulator_matches[i].init_data;
- else
+ struct regulator_dev *regulator;
+
+ if (pdata && pdata->num_regulators) {
init_data = pdata->regulators[i];
- if (!init_data)
- continue;
- info = pm800_regulator_matches[i].driver_data;
- config.dev = &pdev->dev;
- config.init_data = init_data;
- config.driver_data = info;
- config.regmap = pm800_data->map;
- config.of_node = pm800_regulator_matches[i].of_node;
-
- pm800_data->regulators[i] =
- regulator_register(&info->desc, &config);
- if (IS_ERR(pm800_data->regulators[i])) {
- ret = PTR_ERR(pm800_data->regulators[i]);
- dev_err(&pdev->dev, "Failed to register %s\n",
- info->desc.name);
+ if (!init_data)
+ continue;
- while (--i >= 0)
- regulator_unregister(pm800_data->regulators[i]);
+ config.init_data = init_data;
+ }
+
+ config.driver_data = &pm800_regulator_info[i];
+ regulator = devm_regulator_register(&pdev->dev,
+ &pm800_regulator_info[i].desc, &config);
+ if (IS_ERR(regulator)) {
+ ret = PTR_ERR(regulator);
+ dev_err(&pdev->dev, "Failed to register %s\n",
+ pm800_regulator_info[i].desc.name);
return ret;
}
}
@@ -348,23 +290,11 @@ static int pm800_regulator_probe(struct platform_device *pdev)
return 0;
}
-static int pm800_regulator_remove(struct platform_device *pdev)
-{
- struct pm800_regulators *pm800_data = platform_get_drvdata(pdev);
- int i;
-
- for (i = 0; i < PM800_ID_RG_MAX; i++)
- regulator_unregister(pm800_data->regulators[i]);
-
- return 0;
-}
-
static struct platform_driver pm800_regulator_driver = {
.driver = {
.name = "88pm80x-regulator",
},
.probe = pm800_regulator_probe,
- .remove = pm800_regulator_remove,
};
module_platform_driver(pm800_regulator_driver);
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index bef3bde6971b..64bccff557be 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -209,13 +209,13 @@ config REGULATOR_DA9210
interface.
config REGULATOR_DA9211
- tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214 regulator"
+ tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214/DA9215 regulator"
depends on I2C
select REGMAP_I2C
help
Say y here to support for the Dialog Semiconductor DA9211/DA9212
- /DA9213/DA9214.
- The DA9211/DA9212/DA9213/DA9214 is a multi-phase synchronous
+ /DA9213/DA9214/DA9215.
+ The DA9211/DA9212/DA9213/DA9214/DA9215 is a multi-phase synchronous
step down converter 12A or 16A DC-DC Buck controlled through an I2C
interface.
@@ -407,13 +407,13 @@ config REGULATOR_MAX77686
Exynos-4 chips to control VARM and VINT voltages.
config REGULATOR_MAX77693
- tristate "Maxim MAX77693 regulator"
- depends on MFD_MAX77693
+ tristate "Maxim 77693/77843 regulator"
+ depends on (MFD_MAX77693 || MFD_MAX77843)
help
- This driver controls a Maxim 77693 regulator via I2C bus.
+ This driver controls a Maxim 77693/77843 regulators via I2C bus.
The regulators include two LDOs, 'SAFEOUT1', 'SAFEOUT2'
and one current regulator 'CHARGER'. This is suitable for
- Exynos-4x12 chips.
+ Exynos-4x12 (MAX77693) or Exynos5433 (MAX77843) SoC chips.
config REGULATOR_MAX77802
tristate "Maxim 77802 regulator"
@@ -424,14 +424,6 @@ config REGULATOR_MAX77802
Exynos5420/Exynos5800 SoCs to control various voltages.
It includes support for control of voltage and ramp speed.
-config REGULATOR_MAX77843
- tristate "Maxim 77843 regulator"
- depends on MFD_MAX77843
- help
- This driver controls a Maxim 77843 regulator.
- The regulator include two 'SAFEOUT' for USB(Universal Serial Bus)
- This is suitable for Exynos5433 SoC chips.
-
config REGULATOR_MC13XXX_CORE
tristate
@@ -451,6 +443,15 @@ config REGULATOR_MC13892
Say y here to support the regulators found on the Freescale MC13892
PMIC.
+config REGULATOR_MT6311
+ tristate "MediaTek MT6311 PMIC"
+ depends on I2C
+ help
+ Say y here to select this option to enable the power regulator of
+ MediaTek MT6311 PMIC.
+ This driver supports the control of different power rails of device
+ through regulator interface.
+
config REGULATOR_MT6397
tristate "MediaTek MT6397 PMIC"
depends on MFD_MT6397
@@ -522,6 +523,18 @@ config REGULATOR_QCOM_RPM
Qualcomm RPM as a module. The module will be named
"qcom_rpm-regulator".
+config REGULATOR_QCOM_SMD_RPM
+ tristate "Qualcomm SMD based RPM regulator driver"
+ depends on QCOM_SMD_RPM
+ help
+ If you say yes to this option, support will be included for the
+ regulators exposed by the Resource Power Manager found in Qualcomm
+ 8974 based devices.
+
+ Say M here if you want to include support for the regulators on the
+ Qualcomm RPM as a module. The module will be named
+ "qcom_smd-regulator".
+
config REGULATOR_QCOM_SPMI
tristate "Qualcomm SPMI regulator driver"
depends on SPMI || COMPILE_TEST
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 91bf76267404..0f8174913c17 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -56,12 +56,13 @@ obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
obj-$(CONFIG_REGULATOR_MAX77686) += max77686.o
obj-$(CONFIG_REGULATOR_MAX77693) += max77693.o
obj-$(CONFIG_REGULATOR_MAX77802) += max77802.o
-obj-$(CONFIG_REGULATOR_MAX77843) += max77843.o
obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
+obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o
+obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o
obj-$(CONFIG_REGULATOR_QCOM_SPMI) += qcom_spmi-regulator.o
obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o
obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 2ff73d72ca34..896db168e4bd 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -530,7 +530,6 @@ MODULE_DEVICE_TABLE(i2c, act8865_ids);
static struct i2c_driver act8865_pmic_driver = {
.driver = {
.name = "act8865",
- .owner = THIS_MODULE,
},
.probe = act8865_pmic_probe,
.id_table = act8865_ids,
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 48016a050d5f..ea50a886ba63 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -275,4 +275,3 @@ module_exit(ad5398_exit);
MODULE_DESCRIPTION("AD5398 and AD5821 current regulator driver");
MODULE_AUTHOR("Sonic Zhang");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("i2c:ad5398-regulator");
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 646829132b59..01bf3476a791 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -405,3 +405,4 @@ module_platform_driver(axp20x_regulator_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC");
+MODULE_ALIAS("platform:axp20x-regulator");
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 78387a6cbae5..de9f272a0faf 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -111,6 +111,11 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
const char *supply_name);
static void _regulator_put(struct regulator *regulator);
+static struct regulator_dev *dev_to_rdev(struct device *dev)
+{
+ return container_of(dev, struct regulator_dev, dev);
+}
+
static const char *rdev_get_name(struct regulator_dev *rdev)
{
if (rdev->constraints && rdev->constraints->name)
@@ -296,7 +301,7 @@ static int regulator_check_drms(struct regulator_dev *rdev)
return -ENODEV;
}
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS)) {
- rdev_err(rdev, "operation not allowed\n");
+ rdev_dbg(rdev, "operation not allowed\n");
return -EPERM;
}
return 0;
@@ -641,6 +646,8 @@ static int drms_uA_update(struct regulator_dev *rdev)
int current_uA = 0, output_uV, input_uV, err;
unsigned int mode;
+ lockdep_assert_held_once(&rdev->mutex);
+
/*
* first check to see if we can set modes at all, otherwise just
* tell the consumer everything is OK.
@@ -761,6 +768,8 @@ static int suspend_set_state(struct regulator_dev *rdev,
/* locks held by caller */
static int suspend_prepare(struct regulator_dev *rdev, suspend_state_t state)
{
+ lockdep_assert_held_once(&rdev->mutex);
+
if (!rdev->constraints)
return -EINVAL;
@@ -1082,6 +1091,15 @@ static int set_machine_constraints(struct regulator_dev *rdev,
}
}
+ if (rdev->constraints->over_current_protection
+ && ops->set_over_current_protection) {
+ ret = ops->set_over_current_protection(rdev);
+ if (ret < 0) {
+ rdev_err(rdev, "failed to set over current protection\n");
+ goto out;
+ }
+ }
+
print_constraints(rdev);
return 0;
out:
@@ -1595,9 +1613,11 @@ static void _regulator_put(struct regulator *regulator)
{
struct regulator_dev *rdev;
- if (regulator == NULL || IS_ERR(regulator))
+ if (IS_ERR_OR_NULL(regulator))
return;
+ lockdep_assert_held_once(&regulator_list_mutex);
+
rdev = regulator->rdev;
debugfs_remove_recursive(regulator->debugfs);
@@ -1606,14 +1626,15 @@ static void _regulator_put(struct regulator *regulator)
if (regulator->dev)
sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name);
mutex_lock(&rdev->mutex);
- kfree(regulator->supply_name);
list_del(&regulator->list);
- kfree(regulator);
rdev->open_count--;
rdev->exclusive = 0;
mutex_unlock(&rdev->mutex);
+ kfree(regulator->supply_name);
+ kfree(regulator);
+
module_put(rdev->owner);
}
@@ -1976,6 +1997,8 @@ static int _regulator_enable(struct regulator_dev *rdev)
{
int ret;
+ lockdep_assert_held_once(&rdev->mutex);
+
/* check voltage and requested load before enabling */
if (rdev->constraints &&
(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS))
@@ -2076,6 +2099,8 @@ static int _regulator_disable(struct regulator_dev *rdev)
{
int ret = 0;
+ lockdep_assert_held_once(&rdev->mutex);
+
if (WARN(rdev->use_count <= 0,
"unbalanced disables for %s\n", rdev_get_name(rdev)))
return -EIO;
@@ -2154,6 +2179,8 @@ static int _regulator_force_disable(struct regulator_dev *rdev)
{
int ret = 0;
+ lockdep_assert_held_once(&rdev->mutex);
+
ret = _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE |
REGULATOR_EVENT_PRE_DISABLE, NULL);
if (ret & NOTIFY_STOP_MASK)
@@ -2722,7 +2749,7 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
goto out;
/* If we're trying to set a range that overlaps the current voltage,
- * return succesfully even though the regulator does not support
+ * return successfully even though the regulator does not support
* changing the voltage.
*/
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
@@ -3450,6 +3477,8 @@ EXPORT_SYMBOL_GPL(regulator_bulk_free);
int regulator_notifier_call_chain(struct regulator_dev *rdev,
unsigned long event, void *data)
{
+ lockdep_assert_held_once(&rdev->mutex);
+
_notifier_call_chain(rdev, event, data);
return NOTIFY_DONE;
@@ -3594,6 +3623,9 @@ static const struct attribute_group *regulator_dev_groups[] = {
static void regulator_dev_release(struct device *dev)
{
struct regulator_dev *rdev = dev_get_drvdata(dev);
+
+ kfree(rdev->constraints);
+ of_node_put(rdev->dev.of_node);
kfree(rdev);
}
@@ -3824,11 +3856,9 @@ void regulator_unregister(struct regulator_dev *rdev)
WARN_ON(rdev->open_count);
unset_regulator_supplies(rdev);
list_del(&rdev->list);
- kfree(rdev->constraints);
+ mutex_unlock(&regulator_list_mutex);
regulator_ena_gpio_free(rdev);
- of_node_put(rdev->dev.of_node);
device_unregister(&rdev->dev);
- mutex_unlock(&regulator_list_mutex);
}
EXPORT_SYMBOL_GPL(regulator_unregister);
@@ -4147,13 +4177,57 @@ static int __init regulator_init(void)
/* init early to allow our consumers to complete system booting */
core_initcall(regulator_init);
-static int __init regulator_init_complete(void)
+static int __init regulator_late_cleanup(struct device *dev, void *data)
{
- struct regulator_dev *rdev;
- const struct regulator_ops *ops;
- struct regulation_constraints *c;
+ struct regulator_dev *rdev = dev_to_rdev(dev);
+ const struct regulator_ops *ops = rdev->desc->ops;
+ struct regulation_constraints *c = rdev->constraints;
int enabled, ret;
+ if (c && c->always_on)
+ return 0;
+
+ if (c && !(c->valid_ops_mask & REGULATOR_CHANGE_STATUS))
+ return 0;
+
+ mutex_lock(&rdev->mutex);
+
+ if (rdev->use_count)
+ goto unlock;
+
+ /* If we can't read the status assume it's on. */
+ if (ops->is_enabled)
+ enabled = ops->is_enabled(rdev);
+ else
+ enabled = 1;
+
+ if (!enabled)
+ goto unlock;
+
+ if (have_full_constraints()) {
+ /* We log since this may kill the system if it goes
+ * wrong. */
+ rdev_info(rdev, "disabling\n");
+ ret = _regulator_do_disable(rdev);
+ if (ret != 0)
+ rdev_err(rdev, "couldn't disable: %d\n", ret);
+ } else {
+ /* The intention is that in future we will
+ * assume that full constraints are provided
+ * so warn even if we aren't going to do
+ * anything here.
+ */
+ rdev_warn(rdev, "incomplete constraints, leaving on\n");
+ }
+
+unlock:
+ mutex_unlock(&rdev->mutex);
+
+ return 0;
+}
+
+static int __init regulator_init_complete(void)
+{
/*
* Since DT doesn't provide an idiomatic mechanism for
* enabling full constraints and since it's much more natural
@@ -4163,58 +4237,13 @@ static int __init regulator_init_complete(void)
if (of_have_populated_dt())
has_full_constraints = true;
- mutex_lock(&regulator_list_mutex);
-
/* If we have a full configuration then disable any regulators
* we have permission to change the status for and which are
* not in use or always_on. This is effectively the default
* for DT and ACPI as they have full constraints.
*/
- list_for_each_entry(rdev, &regulator_list, list) {
- ops = rdev->desc->ops;
- c = rdev->constraints;
-
- if (c && c->always_on)
- continue;
-
- if (c && !(c->valid_ops_mask & REGULATOR_CHANGE_STATUS))
- continue;
-
- mutex_lock(&rdev->mutex);
-
- if (rdev->use_count)
- goto unlock;
-
- /* If we can't read the status assume it's on. */
- if (ops->is_enabled)
- enabled = ops->is_enabled(rdev);
- else
- enabled = 1;
-
- if (!enabled)
- goto unlock;
-
- if (have_full_constraints()) {
- /* We log since this may kill the system if it
- * goes wrong. */
- rdev_info(rdev, "disabling\n");
- ret = _regulator_do_disable(rdev);
- if (ret != 0)
- rdev_err(rdev, "couldn't disable: %d\n", ret);
- } else {
- /* The intention is that in future we will
- * assume that full constraints are provided
- * so warn even if we aren't going to do
- * anything here.
- */
- rdev_warn(rdev, "incomplete constraints, leaving on\n");
- }
-
-unlock:
- mutex_unlock(&rdev->mutex);
- }
-
- mutex_unlock(&regulator_list_mutex);
+ class_for_each_device(&regulator_class, NULL, NULL,
+ regulator_late_cleanup);
return 0;
}
diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c
index dd76da09b3c7..5638fe8d759d 100644
--- a/drivers/regulator/da9062-regulator.c
+++ b/drivers/regulator/da9062-regulator.c
@@ -818,7 +818,6 @@ static int da9062_regulator_probe(struct platform_device *pdev)
static struct platform_driver da9062_regulator_driver = {
.driver = {
.name = "da9062-regulators",
- .owner = THIS_MODULE,
},
.probe = da9062_regulator_probe,
};
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
index f0489cb9018b..b3517830edb6 100644
--- a/drivers/regulator/da9210-regulator.c
+++ b/drivers/regulator/da9210-regulator.c
@@ -22,6 +22,8 @@
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
@@ -120,6 +122,55 @@ static int da9210_get_current_limit(struct regulator_dev *rdev)
return da9210_buck_limits[sel];
}
+static irqreturn_t da9210_irq_handler(int irq, void *data)
+{
+ struct da9210 *chip = data;
+ unsigned int val, handled = 0;
+ int error, ret = IRQ_NONE;
+
+ error = regmap_read(chip->regmap, DA9210_REG_EVENT_B, &val);
+ if (error < 0)
+ goto error_i2c;
+
+ if (val & DA9210_E_OVCURR) {
+ regulator_notifier_call_chain(chip->rdev,
+ REGULATOR_EVENT_OVER_CURRENT,
+ NULL);
+ handled |= DA9210_E_OVCURR;
+ }
+ if (val & DA9210_E_NPWRGOOD) {
+ regulator_notifier_call_chain(chip->rdev,
+ REGULATOR_EVENT_UNDER_VOLTAGE,
+ NULL);
+ handled |= DA9210_E_NPWRGOOD;
+ }
+ if (val & (DA9210_E_TEMP_WARN | DA9210_E_TEMP_CRIT)) {
+ regulator_notifier_call_chain(chip->rdev,
+ REGULATOR_EVENT_OVER_TEMP, NULL);
+ handled |= val & (DA9210_E_TEMP_WARN | DA9210_E_TEMP_CRIT);
+ }
+ if (val & DA9210_E_VMAX) {
+ regulator_notifier_call_chain(chip->rdev,
+ REGULATOR_EVENT_REGULATION_OUT,
+ NULL);
+ handled |= DA9210_E_VMAX;
+ }
+ if (handled) {
+ /* Clear handled events */
+ error = regmap_write(chip->regmap, DA9210_REG_EVENT_B, handled);
+ if (error < 0)
+ goto error_i2c;
+
+ ret = IRQ_HANDLED;
+ }
+
+ return ret;
+
+error_i2c:
+ dev_err(regmap_get_device(chip->regmap), "I2C error : %d\n", error);
+ return ret;
+}
+
/*
* I2C driver interface functions
*/
@@ -168,6 +219,30 @@ static int da9210_i2c_probe(struct i2c_client *i2c,
}
chip->rdev = rdev;
+ if (i2c->irq) {
+ error = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
+ da9210_irq_handler,
+ IRQF_TRIGGER_LOW |
+ IRQF_ONESHOT | IRQF_SHARED,
+ "da9210", chip);
+ if (error) {
+ dev_err(&i2c->dev, "Failed to request IRQ%u: %d\n",
+ i2c->irq, error);
+ return error;
+ }
+
+ error = regmap_update_bits(chip->regmap, DA9210_REG_MASK_B,
+ DA9210_M_OVCURR | DA9210_M_NPWRGOOD |
+ DA9210_M_TEMP_WARN |
+ DA9210_M_TEMP_CRIT | DA9210_M_VMAX, 0);
+ if (error < 0) {
+ dev_err(&i2c->dev, "Failed to update mask reg: %d\n",
+ error);
+ return error;
+ }
+ } else {
+ dev_warn(&i2c->dev, "No IRQ configured\n");
+ }
i2c_set_clientdata(i2c, chip);
@@ -184,7 +259,6 @@ MODULE_DEVICE_TABLE(i2c, da9210_i2c_id);
static struct i2c_driver da9210_regulator_driver = {
.driver = {
.name = "da9210",
- .owner = THIS_MODULE,
},
.probe = da9210_i2c_probe,
.id_table = da9210_i2c_id,
diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c
index df79e4b1946e..04ef65b7eb3d 100644
--- a/drivers/regulator/da9211-regulator.c
+++ b/drivers/regulator/da9211-regulator.c
@@ -1,6 +1,6 @@
/*
- * da9211-regulator.c - Regulator device driver for DA9211/DA9213
- * Copyright (C) 2014 Dialog Semiconductor Ltd.
+ * da9211-regulator.c - Regulator device driver for DA9211/DA9213/DA9215
+ * Copyright (C) 2015 Dialog Semiconductor Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -32,6 +32,7 @@
/* DEVICE IDs */
#define DA9211_DEVICE_ID 0x22
#define DA9213_DEVICE_ID 0x23
+#define DA9215_DEVICE_ID 0x24
#define DA9211_BUCK_MODE_SLEEP 1
#define DA9211_BUCK_MODE_SYNC 2
@@ -90,6 +91,13 @@ static const int da9213_current_limits[] = {
3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000,
4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000
};
+/* Current limits for DA9215 buck (uA) indices
+ * corresponds with register values
+ */
+static const int da9215_current_limits[] = {
+ 4000000, 4200000, 4400000, 4600000, 4800000, 5000000, 5200000, 5400000,
+ 5600000, 5800000, 6000000, 6200000, 6400000, 6600000, 6800000, 7000000
+};
static unsigned int da9211_buck_get_mode(struct regulator_dev *rdev)
{
@@ -157,6 +165,10 @@ static int da9211_set_current_limit(struct regulator_dev *rdev, int min,
current_limits = da9213_current_limits;
max_size = ARRAY_SIZE(da9213_current_limits)-1;
break;
+ case DA9215:
+ current_limits = da9215_current_limits;
+ max_size = ARRAY_SIZE(da9215_current_limits)-1;
+ break;
default:
return -EINVAL;
}
@@ -189,6 +201,9 @@ static int da9211_get_current_limit(struct regulator_dev *rdev)
case DA9213:
current_limits = da9213_current_limits;
break;
+ case DA9215:
+ current_limits = da9215_current_limits;
+ break;
default:
return -EINVAL;
}
@@ -350,13 +365,11 @@ static int da9211_regulator_init(struct da9211 *chip)
/* If configuration for 1/2 bucks is different between platform data
* and the register, driver should exit.
*/
- if ((chip->pdata->num_buck == 2 && data == 0x40)
- || (chip->pdata->num_buck == 1 && data == 0x00)) {
- if (data == 0)
- chip->num_regulator = 1;
- else
- chip->num_regulator = 2;
- } else {
+ if (chip->pdata->num_buck == 1 && data == 0x00)
+ chip->num_regulator = 1;
+ else if (chip->pdata->num_buck == 2 && data != 0x00)
+ chip->num_regulator = 2;
+ else {
dev_err(chip->dev, "Configuration is mismatched\n");
return -EINVAL;
}
@@ -438,6 +451,9 @@ static int da9211_i2c_probe(struct i2c_client *i2c,
case DA9213_DEVICE_ID:
chip->chip_id = DA9213;
break;
+ case DA9215_DEVICE_ID:
+ chip->chip_id = DA9215;
+ break;
default:
dev_err(chip->dev, "Unsupported device id = 0x%x.\n", data);
return -ENODEV;
@@ -478,6 +494,7 @@ static int da9211_i2c_probe(struct i2c_client *i2c,
static const struct i2c_device_id da9211_i2c_id[] = {
{"da9211", DA9211},
{"da9213", DA9213},
+ {"da9215", DA9215},
{},
};
MODULE_DEVICE_TABLE(i2c, da9211_i2c_id);
@@ -486,6 +503,7 @@ MODULE_DEVICE_TABLE(i2c, da9211_i2c_id);
static const struct of_device_id da9211_dt_ids[] = {
{ .compatible = "dlg,da9211", .data = &da9211_i2c_id[0] },
{ .compatible = "dlg,da9213", .data = &da9211_i2c_id[1] },
+ { .compatible = "dlg,da9215", .data = &da9211_i2c_id[2] },
{},
};
MODULE_DEVICE_TABLE(of, da9211_dt_ids);
@@ -494,7 +512,6 @@ MODULE_DEVICE_TABLE(of, da9211_dt_ids);
static struct i2c_driver da9211_regulator_driver = {
.driver = {
.name = "da9211",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(da9211_dt_ids),
},
.probe = da9211_i2c_probe,
@@ -504,5 +521,5 @@ static struct i2c_driver da9211_regulator_driver = {
module_i2c_driver(da9211_regulator_driver);
MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>");
-MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211/DA9213");
-MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211/DA9213/DA9215");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/da9211-regulator.h b/drivers/regulator/da9211-regulator.h
index 93fa9df2721c..d6ad96fc64d3 100644
--- a/drivers/regulator/da9211-regulator.h
+++ b/drivers/regulator/da9211-regulator.h
@@ -1,16 +1,16 @@
/*
- * da9211-regulator.h - Regulator definitions for DA9211/DA9213
- * Copyright (C) 2014 Dialog Semiconductor Ltd.
+ * da9211-regulator.h - Regulator definitions for DA9211/DA9213/DA9215
+ * Copyright (C) 2015 Dialog Semiconductor Ltd.
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*/
#ifndef __DA9211_REGISTERS_H__
diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index 42865681c00b..4940e8287df6 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -439,6 +439,7 @@ static const struct i2c_device_id fan53555_id[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(i2c, fan53555_id);
static struct i2c_driver fan53555_regulator_driver = {
.driver = {
diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c
index 6e5da95fa025..4abd8e9c81e5 100644
--- a/drivers/regulator/isl6271a-regulator.c
+++ b/drivers/regulator/isl6271a-regulator.c
@@ -156,7 +156,6 @@ MODULE_DEVICE_TABLE(i2c, isl6271a_id);
static struct i2c_driver isl6271a_i2c_driver = {
.driver = {
.name = "isl6271a",
- .owner = THIS_MODULE,
},
.probe = isl6271a_probe,
.id_table = isl6271a_id,
diff --git a/drivers/regulator/isl9305.c b/drivers/regulator/isl9305.c
index 6e3a15fe00f1..257c1943e753 100644
--- a/drivers/regulator/isl9305.c
+++ b/drivers/regulator/isl9305.c
@@ -183,6 +183,7 @@ static const struct of_device_id isl9305_dt_ids[] = {
{ .compatible = "isil,isl9305h" },
{},
};
+MODULE_DEVICE_TABLE(of, isl9305_dt_ids);
#endif
static const struct i2c_device_id isl9305_i2c_id[] = {
@@ -195,7 +196,6 @@ MODULE_DEVICE_TABLE(i2c, isl9305_i2c_id);
static struct i2c_driver isl9305_regulator_driver = {
.driver = {
.name = "isl9305",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(isl9305_dt_ids),
},
.probe = isl9305_i2c_probe,
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 66fd2330dca0..15c25c622edf 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -452,7 +452,6 @@ MODULE_DEVICE_TABLE(i2c, lp3971_i2c_id);
static struct i2c_driver lp3971_i2c_driver = {
.driver = {
.name = "LP3971",
- .owner = THIS_MODULE,
},
.probe = lp3971_i2c_probe,
.id_table = lp3971_i2c_id,
diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c
index aea485afcc1a..3a7e96e2c7b3 100644
--- a/drivers/regulator/lp3972.c
+++ b/drivers/regulator/lp3972.c
@@ -550,7 +550,6 @@ MODULE_DEVICE_TABLE(i2c, lp3972_i2c_id);
static struct i2c_driver lp3972_i2c_driver = {
.driver = {
.name = "lp3972",
- .owner = THIS_MODULE,
},
.probe = lp3972_i2c_probe,
.id_table = lp3972_i2c_id,
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 3de328ab41f3..e5af07208f9d 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -849,7 +849,7 @@ static struct lp872x_platform_data
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
- goto out;
+ return ERR_PTR(-ENOMEM);
of_property_read_u8(np, "ti,general-config", &pdata->general_config);
if (of_find_property(np, "ti,update-config", NULL))
@@ -857,7 +857,7 @@ static struct lp872x_platform_data
pdata->dvs = devm_kzalloc(dev, sizeof(struct lp872x_dvs), GFP_KERNEL);
if (!pdata->dvs)
- goto out;
+ return ERR_PTR(-ENOMEM);
pdata->dvs->gpio = of_get_named_gpio(np, "ti,dvs-gpio", 0);
of_property_read_u8(np, "ti,dvs-vsel", (u8 *)&pdata->dvs->vsel);
@@ -903,15 +903,21 @@ static struct lp872x_platform_data
static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
{
struct lp872x *lp;
+ struct lp872x_platform_data *pdata;
int ret;
const int lp872x_num_regulators[] = {
[LP8720] = LP8720_NUM_REGULATORS,
[LP8725] = LP8725_NUM_REGULATORS,
};
- if (cl->dev.of_node)
- cl->dev.platform_data = lp872x_populate_pdata_from_dt(&cl->dev,
+ if (cl->dev.of_node) {
+ pdata = lp872x_populate_pdata_from_dt(&cl->dev,
(enum lp872x_id)id->driver_data);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ } else {
+ pdata = dev_get_platdata(&cl->dev);
+ }
lp = devm_kzalloc(&cl->dev, sizeof(struct lp872x), GFP_KERNEL);
if (!lp)
@@ -927,7 +933,7 @@ static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
}
lp->dev = &cl->dev;
- lp->pdata = dev_get_platdata(&cl->dev);
+ lp->pdata = pdata;
lp->chipid = id->driver_data;
i2c_set_clientdata(cl, lp);
@@ -955,7 +961,6 @@ MODULE_DEVICE_TABLE(i2c, lp872x_ids);
static struct i2c_driver lp872x_driver = {
.driver = {
.name = "lp872x",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(lp872x_dt_ids),
},
.probe = lp872x_probe,
diff --git a/drivers/regulator/ltc3589.c b/drivers/regulator/ltc3589.c
index 0ce8e4e0fa73..972c386b2690 100644
--- a/drivers/regulator/ltc3589.c
+++ b/drivers/regulator/ltc3589.c
@@ -378,7 +378,7 @@ static bool ltc3589_volatile_reg(struct device *dev, unsigned int reg)
return false;
}
-static struct reg_default ltc3589_reg_defaults[] = {
+static const struct reg_default ltc3589_reg_defaults[] = {
{ LTC3589_SCR1, 0x00 },
{ LTC3589_OVEN, 0x00 },
{ LTC3589_SCR2, 0x00 },
@@ -542,7 +542,6 @@ MODULE_DEVICE_TABLE(i2c, ltc3589_i2c_id);
static struct i2c_driver ltc3589_driver = {
.driver = {
.name = DRIVER_NAME,
- .owner = THIS_MODULE,
},
.probe = ltc3589_probe,
.id_table = ltc3589_i2c_id,
@@ -552,4 +551,3 @@ module_i2c_driver(ltc3589_driver);
MODULE_AUTHOR("Philipp Zabel <p.zabel@pengutronix.de>");
MODULE_DESCRIPTION("Regulator driver for Linear Technology LTC3589(-1,2)");
MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("i2c:ltc3589");
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index d2a8c64cae42..2c1228d5796a 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -304,7 +304,6 @@ static struct i2c_driver max1586_pmic_driver = {
.probe = max1586_pmic_probe,
.driver = {
.name = "max1586",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(max1586_of_match),
},
.id_table = max1586_id,
diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c
index 38722c8311a5..de730fd3f8a5 100644
--- a/drivers/regulator/max77693.c
+++ b/drivers/regulator/max77693.c
@@ -1,8 +1,9 @@
/*
- * max77693.c - Regulator driver for the Maxim 77693
+ * max77693.c - Regulator driver for the Maxim 77693 and 77843
*
- * Copyright (C) 2013 Samsung Electronics
+ * Copyright (C) 2013-2015 Samsung Electronics
* Jonghwa Lee <jonghwa3.lee@samsung.com>
+ * Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -29,38 +30,64 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/max77693.h>
+#include <linux/mfd/max77693-common.h>
#include <linux/mfd/max77693-private.h>
+#include <linux/mfd/max77843-private.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regmap.h>
-#define CHGIN_ILIM_STEP_20mA 20000
+/*
+ * ID for MAX77843 regulators.
+ * There is no need for such for MAX77693.
+ */
+enum max77843_regulator_type {
+ MAX77843_SAFEOUT1 = 0,
+ MAX77843_SAFEOUT2,
+ MAX77843_CHARGER,
+
+ MAX77843_NUM,
+};
+
+/* Register differences between chargers: MAX77693 and MAX77843 */
+struct chg_reg_data {
+ unsigned int linear_reg;
+ unsigned int linear_mask;
+ unsigned int uA_step;
+ unsigned int min_sel;
+};
/*
- * CHARGER regulator - Min : 20mA, Max : 2580mA, step : 20mA
+ * MAX77693 CHARGER regulator - Min : 20mA, Max : 2580mA, step : 20mA
* 0x00, 0x01, 0x2, 0x03 = 60 mA
* 0x04 ~ 0x7E = (60 + (X - 3) * 20) mA
+ * Actually for MAX77693 the driver manipulates the maximum input current,
+ * not the fast charge current (output). This should be fixed.
+ *
+ * On MAX77843 the calculation formula is the same (except values).
+ * Fortunately it properly manipulates the fast charge current.
*/
static int max77693_chg_get_current_limit(struct regulator_dev *rdev)
{
+ const struct chg_reg_data *reg_data = rdev_get_drvdata(rdev);
unsigned int chg_min_uA = rdev->constraints->min_uA;
unsigned int chg_max_uA = rdev->constraints->max_uA;
unsigned int reg, sel;
unsigned int val;
int ret;
- ret = regmap_read(rdev->regmap, MAX77693_CHG_REG_CHG_CNFG_09, &reg);
+ ret = regmap_read(rdev->regmap, reg_data->linear_reg, &reg);
if (ret < 0)
return ret;
- sel = reg & CHG_CNFG_09_CHGIN_ILIM_MASK;
+ sel = reg & reg_data->linear_mask;
/* the first four codes for charger current are all 60mA */
- if (sel <= 3)
+ if (sel <= reg_data->min_sel)
sel = 0;
else
- sel -= 3;
+ sel -= reg_data->min_sel;
- val = chg_min_uA + CHGIN_ILIM_STEP_20mA * sel;
+ val = chg_min_uA + reg_data->uA_step * sel;
if (val > chg_max_uA)
return -EINVAL;
@@ -70,23 +97,43 @@ static int max77693_chg_get_current_limit(struct regulator_dev *rdev)
static int max77693_chg_set_current_limit(struct regulator_dev *rdev,
int min_uA, int max_uA)
{
+ const struct chg_reg_data *reg_data = rdev_get_drvdata(rdev);
unsigned int chg_min_uA = rdev->constraints->min_uA;
int sel = 0;
- while (chg_min_uA + CHGIN_ILIM_STEP_20mA * sel < min_uA)
+ while (chg_min_uA + reg_data->uA_step * sel < min_uA)
sel++;
- if (chg_min_uA + CHGIN_ILIM_STEP_20mA * sel > max_uA)
+ if (chg_min_uA + reg_data->uA_step * sel > max_uA)
return -EINVAL;
/* the first four codes for charger current are all 60mA */
- sel += 3;
+ sel += reg_data->min_sel;
- return regmap_write(rdev->regmap,
- MAX77693_CHG_REG_CHG_CNFG_09, sel);
+ return regmap_write(rdev->regmap, reg_data->linear_reg, sel);
}
/* end of CHARGER regulator ops */
+/* Returns regmap suitable for given regulator on chosen device */
+static struct regmap *max77693_get_regmap(enum max77693_types type,
+ struct max77693_dev *max77693,
+ int reg_id)
+{
+ if (type == TYPE_MAX77693)
+ return max77693->regmap;
+
+ /* Else: TYPE_MAX77843 */
+ switch (reg_id) {
+ case MAX77843_SAFEOUT1:
+ case MAX77843_SAFEOUT2:
+ return max77693->regmap;
+ case MAX77843_CHARGER:
+ return max77693->regmap_chg;
+ default:
+ return max77693->regmap;
+ }
+}
+
static const unsigned int max77693_safeout_table[] = {
4850000,
4900000,
@@ -111,7 +158,7 @@ static struct regulator_ops max77693_charger_ops = {
.set_current_limit = max77693_chg_set_current_limit,
};
-#define regulator_desc_esafeout(_num) { \
+#define max77693_regulator_desc_esafeout(_num) { \
.name = "ESAFEOUT"#_num, \
.id = MAX77693_ESAFEOUT##_num, \
.of_match = of_match_ptr("ESAFEOUT"#_num), \
@@ -127,9 +174,9 @@ static struct regulator_ops max77693_charger_ops = {
.enable_mask = SAFEOUT_CTRL_ENSAFEOUT##_num##_MASK , \
}
-static const struct regulator_desc regulators[] = {
- regulator_desc_esafeout(1),
- regulator_desc_esafeout(2),
+static const struct regulator_desc max77693_supported_regulators[] = {
+ max77693_regulator_desc_esafeout(1),
+ max77693_regulator_desc_esafeout(2),
{
.name = "CHARGER",
.id = MAX77693_CHARGER,
@@ -145,18 +192,86 @@ static const struct regulator_desc regulators[] = {
},
};
+static const struct chg_reg_data max77693_chg_reg_data = {
+ .linear_reg = MAX77693_CHG_REG_CHG_CNFG_09,
+ .linear_mask = CHG_CNFG_09_CHGIN_ILIM_MASK,
+ .uA_step = 20000,
+ .min_sel = 3,
+};
+
+#define max77843_regulator_desc_esafeout(num) { \
+ .name = "SAFEOUT" # num, \
+ .id = MAX77843_SAFEOUT ## num, \
+ .ops = &max77693_safeout_ops, \
+ .of_match = of_match_ptr("SAFEOUT" # num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(max77693_safeout_table), \
+ .volt_table = max77693_safeout_table, \
+ .enable_reg = MAX77843_SYS_REG_SAFEOUTCTRL, \
+ .enable_mask = MAX77843_REG_SAFEOUTCTRL_ENSAFEOUT ## num, \
+ .vsel_reg = MAX77843_SYS_REG_SAFEOUTCTRL, \
+ .vsel_mask = MAX77843_REG_SAFEOUTCTRL_SAFEOUT ## num ## _MASK, \
+}
+
+static const struct regulator_desc max77843_supported_regulators[] = {
+ [MAX77843_SAFEOUT1] = max77843_regulator_desc_esafeout(1),
+ [MAX77843_SAFEOUT2] = max77843_regulator_desc_esafeout(2),
+ [MAX77843_CHARGER] = {
+ .name = "CHARGER",
+ .id = MAX77843_CHARGER,
+ .ops = &max77693_charger_ops,
+ .of_match = of_match_ptr("CHARGER"),
+ .regulators_node = of_match_ptr("regulators"),
+ .type = REGULATOR_CURRENT,
+ .owner = THIS_MODULE,
+ .enable_reg = MAX77843_CHG_REG_CHG_CNFG_00,
+ .enable_mask = MAX77843_CHG_MASK,
+ .enable_val = MAX77843_CHG_MASK,
+ },
+};
+
+static const struct chg_reg_data max77843_chg_reg_data = {
+ .linear_reg = MAX77843_CHG_REG_CHG_CNFG_02,
+ .linear_mask = MAX77843_CHG_FAST_CHG_CURRENT_MASK,
+ .uA_step = MAX77843_CHG_FAST_CHG_CURRENT_STEP,
+ .min_sel = 2,
+};
+
static int max77693_pmic_probe(struct platform_device *pdev)
{
+ enum max77693_types type = platform_get_device_id(pdev)->driver_data;
struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+ const struct regulator_desc *regulators;
+ unsigned int regulators_size;
int i;
struct regulator_config config = { };
config.dev = iodev->dev;
- config.regmap = iodev->regmap;
- for (i = 0; i < ARRAY_SIZE(regulators); i++) {
+ switch (type) {
+ case TYPE_MAX77693:
+ regulators = max77693_supported_regulators;
+ regulators_size = ARRAY_SIZE(max77693_supported_regulators);
+ config.driver_data = (void *)&max77693_chg_reg_data;
+ break;
+ case TYPE_MAX77843:
+ regulators = max77843_supported_regulators;
+ regulators_size = ARRAY_SIZE(max77843_supported_regulators);
+ config.driver_data = (void *)&max77843_chg_reg_data;
+ break;
+ default:
+ dev_err(&pdev->dev, "Unsupported device type: %u\n", type);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < regulators_size; i++) {
struct regulator_dev *rdev;
+ config.regmap = max77693_get_regmap(type, iodev,
+ regulators[i].id);
+
rdev = devm_regulator_register(&pdev->dev,
&regulators[i], &config);
if (IS_ERR(rdev)) {
@@ -170,7 +285,8 @@ static int max77693_pmic_probe(struct platform_device *pdev)
}
static const struct platform_device_id max77693_pmic_id[] = {
- {"max77693-pmic", 0},
+ { "max77693-pmic", TYPE_MAX77693 },
+ { "max77843-regulator", TYPE_MAX77843 },
{},
};
@@ -184,8 +300,19 @@ static struct platform_driver max77693_pmic_driver = {
.id_table = max77693_pmic_id,
};
-module_platform_driver(max77693_pmic_driver);
+static int __init max77693_pmic_init(void)
+{
+ return platform_driver_register(&max77693_pmic_driver);
+}
+subsys_initcall(max77693_pmic_init);
+
+static void __exit max77693_pmic_cleanup(void)
+{
+ platform_driver_unregister(&max77693_pmic_driver);
+}
+module_exit(max77693_pmic_cleanup);
-MODULE_DESCRIPTION("MAXIM MAX77693 regulator driver");
+MODULE_DESCRIPTION("MAXIM 77693/77843 regulator driver");
MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
+MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski.k@gmail.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/max77843.c b/drivers/regulator/max77843.c
deleted file mode 100644
index f4fd0d3cfa6e..000000000000
--- a/drivers/regulator/max77843.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * max77843.c - Regulator driver for the Maxim MAX77843
- *
- * Copyright (C) 2015 Samsung Electronics
- * Author: Jaewon Kim <jaewon02.kim@samsung.com>
- * Author: Beomho Seo <beomho.seo@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/driver.h>
-#include <linux/regulator/machine.h>
-#include <linux/mfd/max77843-private.h>
-#include <linux/regulator/of_regulator.h>
-
-enum max77843_regulator_type {
- MAX77843_SAFEOUT1 = 0,
- MAX77843_SAFEOUT2,
- MAX77843_CHARGER,
-
- MAX77843_NUM,
-};
-
-static const unsigned int max77843_safeout_voltage_table[] = {
- 4850000,
- 4900000,
- 4950000,
- 3300000,
-};
-
-static int max77843_reg_get_current_limit(struct regulator_dev *rdev)
-{
- struct regmap *regmap = rdev->regmap;
- unsigned int chg_min_uA = rdev->constraints->min_uA;
- unsigned int chg_max_uA = rdev->constraints->max_uA;
- unsigned int val;
- int ret;
- unsigned int reg, sel;
-
- ret = regmap_read(regmap, MAX77843_CHG_REG_CHG_CNFG_02, &reg);
- if (ret) {
- dev_err(&rdev->dev, "Failed to read charger register\n");
- return ret;
- }
-
- sel = reg & MAX77843_CHG_FAST_CHG_CURRENT_MASK;
-
- if (sel < 0x03)
- sel = 0;
- else
- sel -= 2;
-
- val = chg_min_uA + MAX77843_CHG_FAST_CHG_CURRENT_STEP * sel;
- if (val > chg_max_uA)
- return -EINVAL;
-
- return val;
-}
-
-static int max77843_reg_set_current_limit(struct regulator_dev *rdev,
- int min_uA, int max_uA)
-{
- struct regmap *regmap = rdev->regmap;
- unsigned int chg_min_uA = rdev->constraints->min_uA;
- int sel = 0;
-
- while (chg_min_uA + MAX77843_CHG_FAST_CHG_CURRENT_STEP * sel < min_uA)
- sel++;
-
- if (chg_min_uA + MAX77843_CHG_FAST_CHG_CURRENT_STEP * sel > max_uA)
- return -EINVAL;
-
- sel += 2;
-
- return regmap_write(regmap, MAX77843_CHG_REG_CHG_CNFG_02, sel);
-}
-
-static struct regulator_ops max77843_charger_ops = {
- .is_enabled = regulator_is_enabled_regmap,
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .get_current_limit = max77843_reg_get_current_limit,
- .set_current_limit = max77843_reg_set_current_limit,
-};
-
-static struct regulator_ops max77843_regulator_ops = {
- .is_enabled = regulator_is_enabled_regmap,
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .list_voltage = regulator_list_voltage_table,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
-};
-
-#define MAX77843_SAFEOUT(num) { \
- .name = "SAFEOUT" # num, \
- .id = MAX77843_SAFEOUT ## num, \
- .ops = &max77843_regulator_ops, \
- .of_match = of_match_ptr("SAFEOUT" # num), \
- .regulators_node = of_match_ptr("regulators"), \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- .n_voltages = ARRAY_SIZE(max77843_safeout_voltage_table), \
- .volt_table = max77843_safeout_voltage_table, \
- .enable_reg = MAX77843_SYS_REG_SAFEOUTCTRL, \
- .enable_mask = MAX77843_REG_SAFEOUTCTRL_ENSAFEOUT ## num, \
- .vsel_reg = MAX77843_SYS_REG_SAFEOUTCTRL, \
- .vsel_mask = MAX77843_REG_SAFEOUTCTRL_SAFEOUT ## num ## _MASK, \
-}
-
-static const struct regulator_desc max77843_supported_regulators[] = {
- [MAX77843_SAFEOUT1] = MAX77843_SAFEOUT(1),
- [MAX77843_SAFEOUT2] = MAX77843_SAFEOUT(2),
- [MAX77843_CHARGER] = {
- .name = "CHARGER",
- .id = MAX77843_CHARGER,
- .ops = &max77843_charger_ops,
- .of_match = of_match_ptr("CHARGER"),
- .regulators_node = of_match_ptr("regulators"),
- .type = REGULATOR_CURRENT,
- .owner = THIS_MODULE,
- .enable_reg = MAX77843_CHG_REG_CHG_CNFG_00,
- .enable_mask = MAX77843_CHG_MASK | MAX77843_CHG_BUCK_MASK,
- .enable_val = MAX77843_CHG_MASK | MAX77843_CHG_BUCK_MASK,
- },
-};
-
-static struct regmap *max77843_get_regmap(struct max77843 *max77843, int reg_id)
-{
- switch (reg_id) {
- case MAX77843_SAFEOUT1:
- case MAX77843_SAFEOUT2:
- return max77843->regmap;
- case MAX77843_CHARGER:
- return max77843->regmap_chg;
- default:
- return max77843->regmap;
- }
-}
-
-static int max77843_regulator_probe(struct platform_device *pdev)
-{
- struct max77843 *max77843 = dev_get_drvdata(pdev->dev.parent);
- struct regulator_config config = {};
- int i;
-
- config.dev = max77843->dev;
- config.driver_data = max77843;
-
- for (i = 0; i < ARRAY_SIZE(max77843_supported_regulators); i++) {
- struct regulator_dev *regulator;
-
- config.regmap = max77843_get_regmap(max77843,
- max77843_supported_regulators[i].id);
-
- regulator = devm_regulator_register(&pdev->dev,
- &max77843_supported_regulators[i], &config);
- if (IS_ERR(regulator)) {
- dev_err(&pdev->dev,
- "Failed to regiser regulator-%d\n", i);
- return PTR_ERR(regulator);
- }
- }
-
- return 0;
-}
-
-static const struct platform_device_id max77843_regulator_id[] = {
- { "max77843-regulator", },
- { /* sentinel */ },
-};
-
-static struct platform_driver max77843_regulator_driver = {
- .driver = {
- .name = "max77843-regulator",
- },
- .probe = max77843_regulator_probe,
- .id_table = max77843_regulator_id,
-};
-
-static int __init max77843_regulator_init(void)
-{
- return platform_driver_register(&max77843_regulator_driver);
-}
-subsys_initcall(max77843_regulator_init);
-
-static void __exit max77843_regulator_exit(void)
-{
- platform_driver_unregister(&max77843_regulator_driver);
-}
-module_exit(max77843_regulator_exit);
-
-MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>");
-MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
-MODULE_DESCRIPTION("Maxim MAX77843 regulator driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index 4071d74fa828..b87f62dd484e 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -518,7 +518,6 @@ static struct i2c_driver max8660_driver = {
.probe = max8660_probe,
.driver = {
.name = "max8660",
- .owner = THIS_MODULE,
},
.id_table = max8660_id,
};
diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c
index e94ddcf97722..5b75b7c2e3ea 100644
--- a/drivers/regulator/max8973-regulator.c
+++ b/drivers/regulator/max8973-regulator.c
@@ -75,6 +75,7 @@
#define MAX8973_DISCH_ENBABLE BIT(5)
#define MAX8973_FT_ENABLE BIT(4)
+#define MAX8973_CKKADV_TRIP_MASK 0xC
#define MAX8973_CKKADV_TRIP_DISABLE 0xC
#define MAX8973_CKKADV_TRIP_75mV_PER_US 0x0
#define MAX8973_CKKADV_TRIP_150mV_PER_US 0x4
@@ -282,6 +283,55 @@ static int max8973_set_ramp_delay(struct regulator_dev *rdev,
return ret;
}
+static int max8973_set_current_limit(struct regulator_dev *rdev,
+ int min_ua, int max_ua)
+{
+ struct max8973_chip *max = rdev_get_drvdata(rdev);
+ unsigned int val;
+ int ret;
+
+ if (max_ua <= 9000000)
+ val = MAX8973_CKKADV_TRIP_75mV_PER_US;
+ else if (max_ua <= 12000000)
+ val = MAX8973_CKKADV_TRIP_150mV_PER_US;
+ else
+ val = MAX8973_CKKADV_TRIP_DISABLE;
+
+ ret = regmap_update_bits(max->regmap, MAX8973_CONTROL2,
+ MAX8973_CKKADV_TRIP_MASK, val);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d update failed: %d\n",
+ MAX8973_CONTROL2, ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int max8973_get_current_limit(struct regulator_dev *rdev)
+{
+ struct max8973_chip *max = rdev_get_drvdata(rdev);
+ unsigned int control2;
+ int ret;
+
+ ret = regmap_read(max->regmap, MAX8973_CONTROL2, &control2);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d read failed: %d\n",
+ MAX8973_CONTROL2, ret);
+ return ret;
+ }
+ switch (control2 & MAX8973_CKKADV_TRIP_MASK) {
+ case MAX8973_CKKADV_TRIP_DISABLE:
+ return 15000000;
+ case MAX8973_CKKADV_TRIP_150mV_PER_US:
+ return 12000000;
+ case MAX8973_CKKADV_TRIP_75mV_PER_US:
+ return 9000000;
+ default:
+ break;
+ }
+ return 9000000;
+}
+
static const struct regulator_ops max8973_dcdc_ops = {
.get_voltage_sel = max8973_dcdc_get_voltage_sel,
.set_voltage_sel = max8973_dcdc_set_voltage_sel,
@@ -421,6 +471,8 @@ static struct max8973_regulator_platform_data *max8973_parse_dt(
struct device_node *np = dev->of_node;
int ret;
u32 pval;
+ bool etr_enable;
+ bool etr_sensitivity_high;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
@@ -452,6 +504,23 @@ static struct max8973_regulator_platform_data *max8973_parse_dt(
if (of_property_read_bool(np, "maxim,enable-bias-control"))
pdata->control_flags |= MAX8973_CONTROL_BIAS_ENABLE;
+ etr_enable = of_property_read_bool(np, "maxim,enable-etr");
+ etr_sensitivity_high = of_property_read_bool(np,
+ "maxim,enable-high-etr-sensitivity");
+ if (etr_sensitivity_high)
+ etr_enable = true;
+
+ if (etr_enable) {
+ if (etr_sensitivity_high)
+ pdata->control_flags |=
+ MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US;
+ else
+ pdata->control_flags |=
+ MAX8973_CONTROL_CLKADV_TRIP_150mV_PER_US;
+ } else {
+ pdata->control_flags |= MAX8973_CONTROL_CLKADV_TRIP_DISABLED;
+ }
+
return pdata;
}
@@ -568,6 +637,15 @@ static int max8973_probe(struct i2c_client *client,
max->lru_index[i] = i;
max->lru_index[0] = max->curr_vout_reg;
max->lru_index[max->curr_vout_reg] = 0;
+ } else {
+ /*
+ * If there is no DVS GPIO, the VOUT register
+ * address is fixed.
+ */
+ max->ops.set_voltage_sel = regulator_set_voltage_sel_regmap;
+ max->ops.get_voltage_sel = regulator_get_voltage_sel_regmap;
+ max->desc.vsel_reg = max->curr_vout_reg;
+ max->desc.vsel_mask = MAX8973_VOUT_MASK;
}
if (pdata_from_dt)
@@ -613,6 +691,8 @@ static int max8973_probe(struct i2c_client *client,
max->ops.enable = regulator_enable_regmap;
max->ops.disable = regulator_disable_regmap;
max->ops.is_enabled = regulator_is_enabled_regmap;
+ max->ops.set_current_limit = max8973_set_current_limit;
+ max->ops.get_current_limit = max8973_get_current_limit;
break;
default:
break;
@@ -652,7 +732,6 @@ static struct i2c_driver max8973_i2c_driver = {
.driver = {
.name = "max8973",
.of_match_table = of_max8973_match_tbl,
- .owner = THIS_MODULE,
},
.probe = max8973_probe,
.id_table = max8973_id,
diff --git a/drivers/regulator/mt6311-regulator.c b/drivers/regulator/mt6311-regulator.c
new file mode 100644
index 000000000000..02c4e5feca8e
--- /dev/null
+++ b/drivers/regulator/mt6311-regulator.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Henry Chen <henryc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/regulator/mt6311.h>
+#include <linux/slab.h>
+#include "mt6311-regulator.h"
+
+static const struct regmap_config mt6311_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = MT6311_FQMTR_CON4,
+};
+
+/* Default limits measured in millivolts and milliamps */
+#define MT6311_MIN_UV 600000
+#define MT6311_MAX_UV 1393750
+#define MT6311_STEP_UV 6250
+
+static const struct regulator_linear_range buck_volt_range[] = {
+ REGULATOR_LINEAR_RANGE(MT6311_MIN_UV, 0, 0x7f, MT6311_STEP_UV),
+};
+
+static const struct regulator_ops mt6311_buck_ops = {
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_ops mt6311_ldo_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+#define MT6311_BUCK(_id) \
+{\
+ .name = #_id,\
+ .ops = &mt6311_buck_ops,\
+ .of_match = of_match_ptr(#_id),\
+ .regulators_node = of_match_ptr("regulators"),\
+ .type = REGULATOR_VOLTAGE,\
+ .id = MT6311_ID_##_id,\
+ .n_voltages = (MT6311_MAX_UV - MT6311_MIN_UV) / MT6311_STEP_UV + 1,\
+ .min_uV = MT6311_MIN_UV,\
+ .uV_step = MT6311_STEP_UV,\
+ .owner = THIS_MODULE,\
+ .linear_ranges = buck_volt_range, \
+ .n_linear_ranges = ARRAY_SIZE(buck_volt_range), \
+ .enable_reg = MT6311_VDVFS11_CON9,\
+ .enable_mask = MT6311_PMIC_VDVFS11_EN_MASK,\
+ .vsel_reg = MT6311_VDVFS11_CON12,\
+ .vsel_mask = MT6311_PMIC_VDVFS11_VOSEL_MASK,\
+}
+
+#define MT6311_LDO(_id) \
+{\
+ .name = #_id,\
+ .ops = &mt6311_ldo_ops,\
+ .of_match = of_match_ptr(#_id),\
+ .regulators_node = of_match_ptr("regulators"),\
+ .type = REGULATOR_VOLTAGE,\
+ .id = MT6311_ID_##_id,\
+ .owner = THIS_MODULE,\
+ .enable_reg = MT6311_LDO_CON3,\
+ .enable_mask = MT6311_PMIC_RG_VBIASN_EN_MASK,\
+}
+
+static const struct regulator_desc mt6311_regulators[] = {
+ MT6311_BUCK(VDVFS),
+ MT6311_LDO(VBIASN),
+};
+
+/*
+ * I2C driver interface functions
+ */
+static int mt6311_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+ struct regmap *regmap;
+ int i, ret;
+ unsigned int data;
+
+ regmap = devm_regmap_init_i2c(i2c, &mt6311_regmap_config);
+ if (IS_ERR(regmap)) {
+ ret = PTR_ERR(regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = regmap_read(regmap, MT6311_SWCID, &data);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to read DEVICE_ID reg: %d\n", ret);
+ return ret;
+ }
+
+ switch (data) {
+ case MT6311_E1_CID_CODE:
+ case MT6311_E2_CID_CODE:
+ case MT6311_E3_CID_CODE:
+ break;
+ default:
+ dev_err(&i2c->dev, "Unsupported device id = 0x%x.\n", data);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < MT6311_MAX_REGULATORS; i++) {
+ config.dev = &i2c->dev;
+ config.regmap = regmap;
+
+ rdev = devm_regulator_register(&i2c->dev,
+ &mt6311_regulators[i], &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&i2c->dev,
+ "Failed to register MT6311 regulator\n");
+ return PTR_ERR(rdev);
+ }
+ }
+
+ return 0;
+}
+
+static const struct i2c_device_id mt6311_i2c_id[] = {
+ {"mt6311", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, mt6311_i2c_id);
+
+#ifdef CONFIG_OF
+static const struct of_device_id mt6311_dt_ids[] = {
+ { .compatible = "mediatek,mt6311-regulator",
+ .data = &mt6311_i2c_id[0] },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mt6311_dt_ids);
+#endif
+
+static struct i2c_driver mt6311_regulator_driver = {
+ .driver = {
+ .name = "mt6311",
+ .of_match_table = of_match_ptr(mt6311_dt_ids),
+ },
+ .probe = mt6311_i2c_probe,
+ .id_table = mt6311_i2c_id,
+};
+
+module_i2c_driver(mt6311_regulator_driver);
+
+MODULE_AUTHOR("Henry Chen <henryc.chen@mediatek.com>");
+MODULE_DESCRIPTION("Regulator device driver for Mediatek MT6311");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/mt6311-regulator.h b/drivers/regulator/mt6311-regulator.h
new file mode 100644
index 000000000000..5218db46a798
--- /dev/null
+++ b/drivers/regulator/mt6311-regulator.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Henry Chen <henryc.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MT6311_REGULATOR_H__
+#define __MT6311_REGULATOR_H__
+
+#define MT6311_SWCID 0x01
+
+#define MT6311_TOP_INT_CON 0x18
+#define MT6311_TOP_INT_MON 0x19
+
+#define MT6311_VDVFS11_CON0 0x87
+#define MT6311_VDVFS11_CON7 0x88
+#define MT6311_VDVFS11_CON8 0x89
+#define MT6311_VDVFS11_CON9 0x8A
+#define MT6311_VDVFS11_CON10 0x8B
+#define MT6311_VDVFS11_CON11 0x8C
+#define MT6311_VDVFS11_CON12 0x8D
+#define MT6311_VDVFS11_CON13 0x8E
+#define MT6311_VDVFS11_CON14 0x8F
+#define MT6311_VDVFS11_CON15 0x90
+#define MT6311_VDVFS11_CON16 0x91
+#define MT6311_VDVFS11_CON17 0x92
+#define MT6311_VDVFS11_CON18 0x93
+#define MT6311_VDVFS11_CON19 0x94
+
+#define MT6311_LDO_CON0 0xCC
+#define MT6311_LDO_OCFB0 0xCD
+#define MT6311_LDO_CON2 0xCE
+#define MT6311_LDO_CON3 0xCF
+#define MT6311_LDO_CON4 0xD0
+#define MT6311_FQMTR_CON0 0xD1
+#define MT6311_FQMTR_CON1 0xD2
+#define MT6311_FQMTR_CON2 0xD3
+#define MT6311_FQMTR_CON3 0xD4
+#define MT6311_FQMTR_CON4 0xD5
+
+#define MT6311_PMIC_RG_INT_POL_MASK 0x1
+#define MT6311_PMIC_RG_INT_EN_MASK 0x2
+#define MT6311_PMIC_RG_BUCK_OC_INT_STATUS_MASK 0x10
+
+#define MT6311_PMIC_VDVFS11_EN_CTRL_MASK 0x1
+#define MT6311_PMIC_VDVFS11_VOSEL_CTRL_MASK 0x2
+#define MT6311_PMIC_VDVFS11_EN_SEL_MASK 0x3
+#define MT6311_PMIC_VDVFS11_VOSEL_SEL_MASK 0xc
+#define MT6311_PMIC_VDVFS11_EN_MASK 0x1
+#define MT6311_PMIC_VDVFS11_VOSEL_MASK 0x7F
+#define MT6311_PMIC_VDVFS11_VOSEL_ON_MASK 0x7F
+#define MT6311_PMIC_VDVFS11_VOSEL_SLEEP_MASK 0x7F
+#define MT6311_PMIC_NI_VDVFS11_VOSEL_MASK 0x7F
+
+#define MT6311_PMIC_RG_VBIASN_EN_MASK 0x1
+
+#endif
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index b1c485b24ab2..250700c853bf 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -107,6 +107,9 @@ static void of_get_regulation_constraints(struct device_node *np,
if (!of_property_read_u32(np, "regulator-system-load", &pval))
constraints->system_load = pval;
+ constraints->over_current_protection = of_property_read_bool(np,
+ "regulator-over-current-protection");
+
for (i = 0; i < ARRAY_SIZE(regulator_states); i++) {
switch (i) {
case PM_SUSPEND_MEM:
diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
index bd2b75c0d1d1..4fa7bcaf454e 100644
--- a/drivers/regulator/pbias-regulator.c
+++ b/drivers/regulator/pbias-regulator.c
@@ -30,6 +30,7 @@
struct pbias_reg_info {
u32 enable;
u32 enable_mask;
+ u32 disable_val;
u32 vmode;
unsigned int enable_time;
char *name;
@@ -62,6 +63,7 @@ static const struct pbias_reg_info pbias_mmc_omap2430 = {
.enable = BIT(1),
.enable_mask = BIT(1),
.vmode = BIT(0),
+ .disable_val = 0,
.enable_time = 100,
.name = "pbias_mmc_omap2430"
};
@@ -77,6 +79,7 @@ static const struct pbias_reg_info pbias_sim_omap3 = {
static const struct pbias_reg_info pbias_mmc_omap4 = {
.enable = BIT(26) | BIT(22),
.enable_mask = BIT(26) | BIT(25) | BIT(22),
+ .disable_val = BIT(25),
.vmode = BIT(21),
.enable_time = 100,
.name = "pbias_mmc_omap4"
@@ -85,6 +88,7 @@ static const struct pbias_reg_info pbias_mmc_omap4 = {
static const struct pbias_reg_info pbias_mmc_omap5 = {
.enable = BIT(27) | BIT(26),
.enable_mask = BIT(27) | BIT(25) | BIT(26),
+ .disable_val = BIT(25),
.vmode = BIT(21),
.enable_time = 100,
.name = "pbias_mmc_omap5"
@@ -159,6 +163,7 @@ static int pbias_regulator_probe(struct platform_device *pdev)
drvdata[data_idx].desc.enable_reg = res->start;
drvdata[data_idx].desc.enable_mask = info->enable_mask;
drvdata[data_idx].desc.enable_val = info->enable;
+ drvdata[data_idx].desc.disable_val = info->disable_val;
cfg.init_data = pbias_matches[idx].init_data;
cfg.driver_data = &drvdata[data_idx];
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 8cc8d1877c44..2a44e5dd9c2a 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -643,7 +643,6 @@ static struct i2c_driver pfuze_driver = {
.id_table = pfuze_device_id,
.driver = {
.name = "pfuze100-regulator",
- .owner = THIS_MODULE,
.of_match_table = pfuze_dt_ids,
},
.probe = pfuze100_regulator_probe,
@@ -653,4 +652,3 @@ module_i2c_driver(pfuze_driver);
MODULE_AUTHOR("Robin Gong <b38343@freescale.com>");
MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100/PFUZE200 PMIC");
MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("i2c:pfuze100-regulator");
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index ffa96124a5e7..fc3166dfcbfa 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -10,6 +10,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/delay.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
@@ -21,9 +22,15 @@
#include <linux/pwm.h>
struct pwm_regulator_data {
- struct pwm_voltages *duty_cycle_table;
+ /* Shared */
struct pwm_device *pwm;
+
+ /* Voltage table */
+ struct pwm_voltages *duty_cycle_table;
int state;
+
+ /* Continuous voltage */
+ int volt_uV;
};
struct pwm_voltages {
@@ -31,6 +38,9 @@ struct pwm_voltages {
unsigned int dutycycle;
};
+/**
+ * Voltage table call-backs
+ */
static int pwm_regulator_get_voltage_sel(struct regulator_dev *rdev)
{
struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev);
@@ -79,29 +89,129 @@ static int pwm_regulator_list_voltage(struct regulator_dev *rdev,
return drvdata->duty_cycle_table[selector].uV;
}
-static struct regulator_ops pwm_regulator_voltage_ops = {
+/**
+ * Continuous voltage call-backs
+ */
+static int pwm_voltage_to_duty_cycle_percentage(struct regulator_dev *rdev, int req_uV)
+{
+ int min_uV = rdev->constraints->min_uV;
+ int max_uV = rdev->constraints->max_uV;
+ int diff = max_uV - min_uV;
+
+ return 100 - (((req_uV * 100) - (min_uV * 100)) / diff);
+}
+
+static int pwm_regulator_get_voltage(struct regulator_dev *rdev)
+{
+ struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev);
+
+ return drvdata->volt_uV;
+}
+
+static int pwm_regulator_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV,
+ unsigned *selector)
+{
+ struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev);
+ unsigned int ramp_delay = rdev->constraints->ramp_delay;
+ unsigned int period = pwm_get_period(drvdata->pwm);
+ int duty_cycle;
+ int ret;
+
+ duty_cycle = pwm_voltage_to_duty_cycle_percentage(rdev, min_uV);
+
+ ret = pwm_config(drvdata->pwm, (period / 100) * duty_cycle, period);
+ if (ret) {
+ dev_err(&rdev->dev, "Failed to configure PWM\n");
+ return ret;
+ }
+
+ ret = pwm_enable(drvdata->pwm);
+ if (ret) {
+ dev_err(&rdev->dev, "Failed to enable PWM\n");
+ return ret;
+ }
+ drvdata->volt_uV = min_uV;
+
+ /* Delay required by PWM regulator to settle to the new voltage */
+ usleep_range(ramp_delay, ramp_delay + 1000);
+
+ return 0;
+}
+
+static struct regulator_ops pwm_regulator_voltage_table_ops = {
.set_voltage_sel = pwm_regulator_set_voltage_sel,
.get_voltage_sel = pwm_regulator_get_voltage_sel,
.list_voltage = pwm_regulator_list_voltage,
.map_voltage = regulator_map_voltage_iterate,
};
+static struct regulator_ops pwm_regulator_voltage_continuous_ops = {
+ .get_voltage = pwm_regulator_get_voltage,
+ .set_voltage = pwm_regulator_set_voltage,
+};
+
static struct regulator_desc pwm_regulator_desc = {
.name = "pwm-regulator",
- .ops = &pwm_regulator_voltage_ops,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.supply_name = "pwm",
};
+static int pwm_regulator_init_table(struct platform_device *pdev,
+ struct pwm_regulator_data *drvdata)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct pwm_voltages *duty_cycle_table;
+ unsigned int length = 0;
+ int ret;
+
+ of_find_property(np, "voltage-table", &length);
+
+ if ((length < sizeof(*duty_cycle_table)) ||
+ (length % sizeof(*duty_cycle_table))) {
+ dev_err(&pdev->dev,
+ "voltage-table length(%d) is invalid\n",
+ length);
+ return -EINVAL;
+ }
+
+ duty_cycle_table = devm_kzalloc(&pdev->dev, length, GFP_KERNEL);
+ if (!duty_cycle_table)
+ return -ENOMEM;
+
+ ret = of_property_read_u32_array(np, "voltage-table",
+ (u32 *)duty_cycle_table,
+ length / sizeof(u32));
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to read voltage-table\n");
+ return ret;
+ }
+
+ drvdata->duty_cycle_table = duty_cycle_table;
+ pwm_regulator_desc.ops = &pwm_regulator_voltage_table_ops;
+ pwm_regulator_desc.n_voltages = length / sizeof(*duty_cycle_table);
+
+ return 0;
+}
+
+static int pwm_regulator_init_continuous(struct platform_device *pdev,
+ struct pwm_regulator_data *drvdata)
+{
+ pwm_regulator_desc.ops = &pwm_regulator_voltage_continuous_ops;
+ pwm_regulator_desc.continuous_voltage_range = true;
+
+ return 0;
+}
+
static int pwm_regulator_probe(struct platform_device *pdev)
{
+ const struct regulator_init_data *init_data;
struct pwm_regulator_data *drvdata;
- struct property *prop;
struct regulator_dev *regulator;
struct regulator_config config = { };
struct device_node *np = pdev->dev.of_node;
- int length, ret;
+ int ret;
if (!np) {
dev_err(&pdev->dev, "Device Tree node missing\n");
@@ -112,44 +222,22 @@ static int pwm_regulator_probe(struct platform_device *pdev)
if (!drvdata)
return -ENOMEM;
- /* determine the number of voltage-table */
- prop = of_find_property(np, "voltage-table", &length);
- if (!prop) {
- dev_err(&pdev->dev, "No voltage-table\n");
- return -EINVAL;
- }
-
- if ((length < sizeof(*drvdata->duty_cycle_table)) ||
- (length % sizeof(*drvdata->duty_cycle_table))) {
- dev_err(&pdev->dev, "voltage-table length(%d) is invalid\n",
- length);
- return -EINVAL;
- }
-
- pwm_regulator_desc.n_voltages = length / sizeof(*drvdata->duty_cycle_table);
-
- drvdata->duty_cycle_table = devm_kzalloc(&pdev->dev,
- length, GFP_KERNEL);
- if (!drvdata->duty_cycle_table)
- return -ENOMEM;
-
- /* read voltage table from DT property */
- ret = of_property_read_u32_array(np, "voltage-table",
- (u32 *)drvdata->duty_cycle_table,
- length / sizeof(u32));
- if (ret < 0) {
- dev_err(&pdev->dev, "read voltage-table failed\n");
+ if (of_find_property(np, "voltage-table", NULL))
+ ret = pwm_regulator_init_table(pdev, drvdata);
+ else
+ ret = pwm_regulator_init_continuous(pdev, drvdata);
+ if (ret)
return ret;
- }
- config.init_data = of_get_regulator_init_data(&pdev->dev, np,
- &pwm_regulator_desc);
- if (!config.init_data)
+ init_data = of_get_regulator_init_data(&pdev->dev, np,
+ &pwm_regulator_desc);
+ if (!init_data)
return -ENOMEM;
config.of_node = np;
config.dev = &pdev->dev;
config.driver_data = drvdata;
+ config.init_data = init_data;
drvdata->pwm = devm_pwm_get(&pdev->dev, NULL);
if (IS_ERR(drvdata->pwm)) {
diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
new file mode 100644
index 000000000000..9c6167dd2c8b
--- /dev/null
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -0,0 +1,350 @@
+/*
+ * Copyright (c) 2015, Sony Mobile Communications AB.
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/soc/qcom/smd-rpm.h>
+
+struct qcom_rpm_reg {
+ struct device *dev;
+
+ struct qcom_smd_rpm *rpm;
+
+ u32 type;
+ u32 id;
+
+ struct regulator_desc desc;
+
+ int is_enabled;
+ int uV;
+};
+
+struct rpm_regulator_req {
+ u32 key;
+ u32 nbytes;
+ u32 value;
+};
+
+#define RPM_KEY_SWEN 0x6e657773 /* "swen" */
+#define RPM_KEY_UV 0x00007675 /* "uv" */
+#define RPM_KEY_MA 0x0000616d /* "ma" */
+
+static int rpm_reg_write_active(struct qcom_rpm_reg *vreg,
+ struct rpm_regulator_req *req,
+ size_t size)
+{
+ return qcom_rpm_smd_write(vreg->rpm,
+ QCOM_SMD_RPM_ACTIVE_STATE,
+ vreg->type,
+ vreg->id,
+ req, size);
+}
+
+static int rpm_reg_enable(struct regulator_dev *rdev)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+ struct rpm_regulator_req req;
+ int ret;
+
+ req.key = RPM_KEY_SWEN;
+ req.nbytes = sizeof(u32);
+ req.value = 1;
+
+ ret = rpm_reg_write_active(vreg, &req, sizeof(req));
+ if (!ret)
+ vreg->is_enabled = 1;
+
+ return ret;
+}
+
+static int rpm_reg_is_enabled(struct regulator_dev *rdev)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+
+ return vreg->is_enabled;
+}
+
+static int rpm_reg_disable(struct regulator_dev *rdev)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+ struct rpm_regulator_req req;
+ int ret;
+
+ req.key = RPM_KEY_SWEN;
+ req.nbytes = sizeof(u32);
+ req.value = 0;
+
+ ret = rpm_reg_write_active(vreg, &req, sizeof(req));
+ if (!ret)
+ vreg->is_enabled = 0;
+
+ return ret;
+}
+
+static int rpm_reg_get_voltage(struct regulator_dev *rdev)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+
+ return vreg->uV;
+}
+
+static int rpm_reg_set_voltage(struct regulator_dev *rdev,
+ int min_uV,
+ int max_uV,
+ unsigned *selector)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+ struct rpm_regulator_req req;
+ int ret = 0;
+
+ req.key = RPM_KEY_UV;
+ req.nbytes = sizeof(u32);
+ req.value = min_uV;
+
+ ret = rpm_reg_write_active(vreg, &req, sizeof(req));
+ if (!ret)
+ vreg->uV = min_uV;
+
+ return ret;
+}
+
+static int rpm_reg_set_load(struct regulator_dev *rdev, int load_uA)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+ struct rpm_regulator_req req;
+
+ req.key = RPM_KEY_MA;
+ req.nbytes = sizeof(u32);
+ req.value = load_uA;
+
+ return rpm_reg_write_active(vreg, &req, sizeof(req));
+}
+
+static const struct regulator_ops rpm_smps_ldo_ops = {
+ .enable = rpm_reg_enable,
+ .disable = rpm_reg_disable,
+ .is_enabled = rpm_reg_is_enabled,
+
+ .get_voltage = rpm_reg_get_voltage,
+ .set_voltage = rpm_reg_set_voltage,
+
+ .set_load = rpm_reg_set_load,
+};
+
+static const struct regulator_ops rpm_switch_ops = {
+ .enable = rpm_reg_enable,
+ .disable = rpm_reg_disable,
+ .is_enabled = rpm_reg_is_enabled,
+};
+
+static const struct regulator_desc pm8x41_hfsmps = {
+ .linear_ranges = (struct regulator_linear_range[]) {
+ REGULATOR_LINEAR_RANGE( 375000, 0, 95, 12500),
+ REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000),
+ },
+ .n_linear_ranges = 2,
+ .n_voltages = 159,
+ .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pm8841_ftsmps = {
+ .linear_ranges = (struct regulator_linear_range[]) {
+ REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000),
+ REGULATOR_LINEAR_RANGE(700000, 185, 339, 10000),
+ },
+ .n_linear_ranges = 2,
+ .n_voltages = 340,
+ .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pm8941_boost = {
+ .linear_ranges = (struct regulator_linear_range[]) {
+ REGULATOR_LINEAR_RANGE(4000000, 0, 15, 100000),
+ },
+ .n_linear_ranges = 1,
+ .n_voltages = 16,
+ .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pm8941_pldo = {
+ .linear_ranges = (struct regulator_linear_range[]) {
+ REGULATOR_LINEAR_RANGE( 750000, 0, 30, 25000),
+ REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000),
+ },
+ .n_linear_ranges = 2,
+ .n_voltages = 100,
+ .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pm8941_nldo = {
+ .linear_ranges = (struct regulator_linear_range[]) {
+ REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
+ },
+ .n_linear_ranges = 1,
+ .n_voltages = 64,
+ .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pm8941_lnldo = {
+ .fixed_uV = 1740000,
+ .n_voltages = 1,
+ .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pm8941_switch = {
+ .ops = &rpm_switch_ops,
+};
+
+struct rpm_regulator_data {
+ const char *name;
+ u32 type;
+ u32 id;
+ const struct regulator_desc *desc;
+ const char *supply;
+};
+
+static const struct rpm_regulator_data rpm_pm8841_regulators[] = {
+ { "s1", QCOM_SMD_RPM_SMPB, 1, &pm8x41_hfsmps, "vdd_s1" },
+ { "s2", QCOM_SMD_RPM_SMPB, 2, &pm8841_ftsmps, "vdd_s2" },
+ { "s3", QCOM_SMD_RPM_SMPB, 3, &pm8x41_hfsmps, "vdd_s3" },
+ { "s4", QCOM_SMD_RPM_SMPB, 4, &pm8841_ftsmps, "vdd_s4" },
+ { "s5", QCOM_SMD_RPM_SMPB, 5, &pm8841_ftsmps, "vdd_s5" },
+ { "s6", QCOM_SMD_RPM_SMPB, 6, &pm8841_ftsmps, "vdd_s6" },
+ { "s7", QCOM_SMD_RPM_SMPB, 7, &pm8841_ftsmps, "vdd_s7" },
+ { "s8", QCOM_SMD_RPM_SMPB, 8, &pm8841_ftsmps, "vdd_s8" },
+ {}
+};
+
+static const struct rpm_regulator_data rpm_pm8941_regulators[] = {
+ { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8x41_hfsmps, "vdd_s1" },
+ { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8x41_hfsmps, "vdd_s2" },
+ { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8x41_hfsmps, "vdd_s3" },
+ { "s4", QCOM_SMD_RPM_BOOST, 1, &pm8941_boost },
+
+ { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8941_nldo, "vdd_l1_l3" },
+ { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8941_nldo, "vdd_l2_lvs1_2_3" },
+ { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8941_nldo, "vdd_l1_l3" },
+ { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8941_nldo, "vdd_l4_l11" },
+ { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8941_lnldo, "vdd_l5_l7" },
+ { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
+ { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8941_lnldo, "vdd_l5_l7" },
+ { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
+ { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
+ { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
+ { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8941_nldo, "vdd_l4_l11" },
+ { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
+ { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
+ { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
+ { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8941_pldo, "vdd_l6_l12_l14_l15" },
+ { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
+ { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
+ { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
+ { "l19", QCOM_SMD_RPM_LDOA, 19, &pm8941_pldo, "vdd_l8_l16_l18_l19" },
+ { "l20", QCOM_SMD_RPM_LDOA, 20, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
+ { "l21", QCOM_SMD_RPM_LDOA, 21, &pm8941_pldo, "vdd_l21" },
+ { "l22", QCOM_SMD_RPM_LDOA, 22, &pm8941_pldo, "vdd_l9_l10_l17_l22" },
+ { "l23", QCOM_SMD_RPM_LDOA, 23, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
+ { "l24", QCOM_SMD_RPM_LDOA, 24, &pm8941_pldo, "vdd_l13_l20_l23_l24" },
+
+ { "lvs1", QCOM_SMD_RPM_VSA, 1, &pm8941_switch, "vdd_l2_lvs1_2_3" },
+ { "lvs2", QCOM_SMD_RPM_VSA, 2, &pm8941_switch, "vdd_l2_lvs1_2_3" },
+ { "lvs3", QCOM_SMD_RPM_VSA, 3, &pm8941_switch, "vdd_l2_lvs1_2_3" },
+
+ { "5vs1", QCOM_SMD_RPM_VSA, 4, &pm8941_switch, "vin_5vs" },
+ { "5vs2", QCOM_SMD_RPM_VSA, 5, &pm8941_switch, "vin_5vs" },
+
+ {}
+};
+
+static const struct of_device_id rpm_of_match[] = {
+ { .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators },
+ { .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rpm_of_match);
+
+static int rpm_reg_probe(struct platform_device *pdev)
+{
+ const struct rpm_regulator_data *reg;
+ const struct of_device_id *match;
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+ struct qcom_rpm_reg *vreg;
+ struct qcom_smd_rpm *rpm;
+
+ rpm = dev_get_drvdata(pdev->dev.parent);
+ if (!rpm) {
+ dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");
+ return -ENODEV;
+ }
+
+ match = of_match_device(rpm_of_match, &pdev->dev);
+ for (reg = match->data; reg->name; reg++) {
+ vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
+ if (!vreg)
+ return -ENOMEM;
+
+ vreg->dev = &pdev->dev;
+ vreg->type = reg->type;
+ vreg->id = reg->id;
+ vreg->rpm = rpm;
+
+ memcpy(&vreg->desc, reg->desc, sizeof(vreg->desc));
+
+ vreg->desc.id = -1;
+ vreg->desc.owner = THIS_MODULE;
+ vreg->desc.type = REGULATOR_VOLTAGE;
+ vreg->desc.name = reg->name;
+ vreg->desc.supply_name = reg->supply;
+ vreg->desc.of_match = reg->name;
+
+ config.dev = &pdev->dev;
+ config.driver_data = vreg;
+ rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register %s\n", reg->name);
+ return PTR_ERR(rdev);
+ }
+ }
+
+ return 0;
+}
+
+static struct platform_driver rpm_reg_driver = {
+ .probe = rpm_reg_probe,
+ .driver = {
+ .name = "qcom_rpm_smd_regulator",
+ .of_match_table = rpm_of_match,
+ },
+};
+
+static int __init rpm_reg_init(void)
+{
+ return platform_driver_register(&rpm_reg_driver);
+}
+subsys_initcall(rpm_reg_init);
+
+static void __exit rpm_reg_exit(void)
+{
+ platform_driver_unregister(&rpm_reg_driver);
+}
+module_exit(rpm_reg_exit)
+
+MODULE_DESCRIPTION("Qualcomm RPM regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 850a30a95b5b..88a5dc88badc 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -26,6 +26,70 @@
#include <linux/regmap.h>
#include <linux/list.h>
+/* Pin control enable input pins. */
+#define SPMI_REGULATOR_PIN_CTRL_ENABLE_NONE 0x00
+#define SPMI_REGULATOR_PIN_CTRL_ENABLE_EN0 0x01
+#define SPMI_REGULATOR_PIN_CTRL_ENABLE_EN1 0x02
+#define SPMI_REGULATOR_PIN_CTRL_ENABLE_EN2 0x04
+#define SPMI_REGULATOR_PIN_CTRL_ENABLE_EN3 0x08
+#define SPMI_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT 0x10
+
+/* Pin control high power mode input pins. */
+#define SPMI_REGULATOR_PIN_CTRL_HPM_NONE 0x00
+#define SPMI_REGULATOR_PIN_CTRL_HPM_EN0 0x01
+#define SPMI_REGULATOR_PIN_CTRL_HPM_EN1 0x02
+#define SPMI_REGULATOR_PIN_CTRL_HPM_EN2 0x04
+#define SPMI_REGULATOR_PIN_CTRL_HPM_EN3 0x08
+#define SPMI_REGULATOR_PIN_CTRL_HPM_SLEEP_B 0x10
+#define SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT 0x20
+
+/*
+ * Used with enable parameters to specify that hardware default register values
+ * should be left unaltered.
+ */
+#define SPMI_REGULATOR_USE_HW_DEFAULT 2
+
+/* Soft start strength of a voltage switch type regulator */
+enum spmi_vs_soft_start_str {
+ SPMI_VS_SOFT_START_STR_0P05_UA = 0,
+ SPMI_VS_SOFT_START_STR_0P25_UA,
+ SPMI_VS_SOFT_START_STR_0P55_UA,
+ SPMI_VS_SOFT_START_STR_0P75_UA,
+ SPMI_VS_SOFT_START_STR_HW_DEFAULT,
+};
+
+/**
+ * struct spmi_regulator_init_data - spmi-regulator initialization data
+ * @pin_ctrl_enable: Bit mask specifying which hardware pins should be
+ * used to enable the regulator, if any
+ * Value should be an ORing of
+ * SPMI_REGULATOR_PIN_CTRL_ENABLE_* constants. If
+ * the bit specified by
+ * SPMI_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT is
+ * set, then pin control enable hardware registers
+ * will not be modified.
+ * @pin_ctrl_hpm: Bit mask specifying which hardware pins should be
+ * used to force the regulator into high power
+ * mode, if any
+ * Value should be an ORing of
+ * SPMI_REGULATOR_PIN_CTRL_HPM_* constants. If
+ * the bit specified by
+ * SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT is
+ * set, then pin control mode hardware registers
+ * will not be modified.
+ * @vs_soft_start_strength: This parameter sets the soft start strength for
+ * voltage switch type regulators. Its value
+ * should be one of SPMI_VS_SOFT_START_STR_*. If
+ * its value is SPMI_VS_SOFT_START_STR_HW_DEFAULT,
+ * then the soft start strength will be left at its
+ * default hardware value.
+ */
+struct spmi_regulator_init_data {
+ unsigned pin_ctrl_enable;
+ unsigned pin_ctrl_hpm;
+ enum spmi_vs_soft_start_str vs_soft_start_strength;
+};
+
/* These types correspond to unique register layouts. */
enum spmi_regulator_logical_type {
SPMI_REGULATOR_LOGICAL_TYPE_SMPS,
@@ -458,6 +522,14 @@ static int spmi_regulator_vs_enable(struct regulator_dev *rdev)
return spmi_regulator_common_enable(rdev);
}
+static int spmi_regulator_vs_ocp(struct regulator_dev *rdev)
+{
+ struct spmi_regulator *vreg = rdev_get_drvdata(rdev);
+ u8 reg = SPMI_VS_OCP_OVERRIDE;
+
+ return spmi_vreg_write(vreg, SPMI_VS_REG_OCP, &reg, 1);
+}
+
static int spmi_regulator_common_disable(struct regulator_dev *rdev)
{
struct spmi_regulator *vreg = rdev_get_drvdata(rdev);
@@ -504,8 +576,7 @@ static int spmi_regulator_select_voltage(struct spmi_regulator *vreg,
* Force uV to be an allowed set point by applying a ceiling function to
* the uV value.
*/
- *voltage_sel = (uV - range->min_uV + range->step_uV - 1)
- / range->step_uV;
+ *voltage_sel = DIV_ROUND_UP(uV - range->min_uV, range->step_uV);
uV = *voltage_sel * range->step_uV + range->min_uV;
if (uV > max_uV) {
@@ -792,6 +863,9 @@ static unsigned int spmi_regulator_common_get_mode(struct regulator_dev *rdev)
if (reg & SPMI_COMMON_MODE_HPM_MASK)
return REGULATOR_MODE_NORMAL;
+ if (reg & SPMI_COMMON_MODE_AUTO_MASK)
+ return REGULATOR_MODE_FAST;
+
return REGULATOR_MODE_IDLE;
}
@@ -799,11 +873,13 @@ static int
spmi_regulator_common_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
struct spmi_regulator *vreg = rdev_get_drvdata(rdev);
- u8 mask = SPMI_COMMON_MODE_HPM_MASK;
+ u8 mask = SPMI_COMMON_MODE_HPM_MASK | SPMI_COMMON_MODE_AUTO_MASK;
u8 val = 0;
if (mode == REGULATOR_MODE_NORMAL)
- val = mask;
+ val = SPMI_COMMON_MODE_HPM_MASK;
+ else if (mode == REGULATOR_MODE_FAST)
+ val = SPMI_COMMON_MODE_AUTO_MASK;
return spmi_vreg_update_bits(vreg, SPMI_COMMON_REG_MODE, val, mask);
}
@@ -973,6 +1049,7 @@ static struct regulator_ops spmi_vs_ops = {
.is_enabled = spmi_regulator_common_is_enabled,
.set_pull_down = spmi_regulator_common_set_pull_down,
.set_soft_start = spmi_regulator_common_set_soft_start,
+ .set_over_current_protection = spmi_regulator_vs_ocp,
};
static struct regulator_ops spmi_boost_ops = {
@@ -1203,10 +1280,111 @@ static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg)
return ret;
}
+static int spmi_regulator_init_registers(struct spmi_regulator *vreg,
+ const struct spmi_regulator_init_data *data)
+{
+ int ret;
+ enum spmi_regulator_logical_type type;
+ u8 ctrl_reg[8], reg, mask;
+
+ type = vreg->logical_type;
+
+ ret = spmi_vreg_read(vreg, SPMI_COMMON_REG_VOLTAGE_RANGE, ctrl_reg, 8);
+ if (ret)
+ return ret;
+
+ /* Set up enable pin control. */
+ if ((type == SPMI_REGULATOR_LOGICAL_TYPE_SMPS
+ || type == SPMI_REGULATOR_LOGICAL_TYPE_LDO
+ || type == SPMI_REGULATOR_LOGICAL_TYPE_VS)
+ && !(data->pin_ctrl_enable
+ & SPMI_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT)) {
+ ctrl_reg[SPMI_COMMON_IDX_ENABLE] &=
+ ~SPMI_COMMON_ENABLE_FOLLOW_ALL_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_ENABLE] |=
+ data->pin_ctrl_enable & SPMI_COMMON_ENABLE_FOLLOW_ALL_MASK;
+ }
+
+ /* Set up mode pin control. */
+ if ((type == SPMI_REGULATOR_LOGICAL_TYPE_SMPS
+ || type == SPMI_REGULATOR_LOGICAL_TYPE_LDO)
+ && !(data->pin_ctrl_hpm
+ & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
+ ctrl_reg[SPMI_COMMON_IDX_MODE] &=
+ ~SPMI_COMMON_MODE_FOLLOW_ALL_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_MODE] |=
+ data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_ALL_MASK;
+ }
+
+ if (type == SPMI_REGULATOR_LOGICAL_TYPE_VS
+ && !(data->pin_ctrl_hpm & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
+ ctrl_reg[SPMI_COMMON_IDX_MODE] &=
+ ~SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_MODE] |=
+ data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ }
+
+ if ((type == SPMI_REGULATOR_LOGICAL_TYPE_ULT_LO_SMPS
+ || type == SPMI_REGULATOR_LOGICAL_TYPE_ULT_HO_SMPS
+ || type == SPMI_REGULATOR_LOGICAL_TYPE_ULT_LDO)
+ && !(data->pin_ctrl_hpm
+ & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
+ ctrl_reg[SPMI_COMMON_IDX_MODE] &=
+ ~SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_MODE] |=
+ data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ }
+
+ /* Write back any control register values that were modified. */
+ ret = spmi_vreg_write(vreg, SPMI_COMMON_REG_VOLTAGE_RANGE, ctrl_reg, 8);
+ if (ret)
+ return ret;
+
+ /* Set soft start strength and over current protection for VS. */
+ if (type == SPMI_REGULATOR_LOGICAL_TYPE_VS) {
+ if (data->vs_soft_start_strength
+ != SPMI_VS_SOFT_START_STR_HW_DEFAULT) {
+ reg = data->vs_soft_start_strength
+ & SPMI_VS_SOFT_START_SEL_MASK;
+ mask = SPMI_VS_SOFT_START_SEL_MASK;
+ return spmi_vreg_update_bits(vreg,
+ SPMI_VS_REG_SOFT_START,
+ reg, mask);
+ }
+ }
+
+ return 0;
+}
+
+static void spmi_regulator_get_dt_config(struct spmi_regulator *vreg,
+ struct device_node *node, struct spmi_regulator_init_data *data)
+{
+ /*
+ * Initialize configuration parameters to use hardware default in case
+ * no value is specified via device tree.
+ */
+ data->pin_ctrl_enable = SPMI_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT;
+ data->pin_ctrl_hpm = SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT;
+ data->vs_soft_start_strength = SPMI_VS_SOFT_START_STR_HW_DEFAULT;
+
+ /* These bindings are optional, so it is okay if they aren't found. */
+ of_property_read_u32(node, "qcom,ocp-max-retries",
+ &vreg->ocp_max_retries);
+ of_property_read_u32(node, "qcom,ocp-retry-delay",
+ &vreg->ocp_retry_delay_ms);
+ of_property_read_u32(node, "qcom,pin-ctrl-enable",
+ &data->pin_ctrl_enable);
+ of_property_read_u32(node, "qcom,pin-ctrl-hpm", &data->pin_ctrl_hpm);
+ of_property_read_u32(node, "qcom,vs-soft-start-strength",
+ &data->vs_soft_start_strength);
+}
+
static unsigned int spmi_regulator_of_map_mode(unsigned int mode)
{
- if (mode)
+ if (mode == 1)
return REGULATOR_MODE_NORMAL;
+ if (mode == 2)
+ return REGULATOR_MODE_FAST;
return REGULATOR_MODE_IDLE;
}
@@ -1215,12 +1393,23 @@ static int spmi_regulator_of_parse(struct device_node *node,
const struct regulator_desc *desc,
struct regulator_config *config)
{
+ struct spmi_regulator_init_data data = { };
struct spmi_regulator *vreg = config->driver_data;
struct device *dev = config->dev;
int ret;
- vreg->ocp_max_retries = SPMI_VS_OCP_DEFAULT_MAX_RETRIES;
- vreg->ocp_retry_delay_ms = SPMI_VS_OCP_DEFAULT_RETRY_DELAY_MS;
+ spmi_regulator_get_dt_config(vreg, node, &data);
+
+ if (!vreg->ocp_max_retries)
+ vreg->ocp_max_retries = SPMI_VS_OCP_DEFAULT_MAX_RETRIES;
+ if (!vreg->ocp_retry_delay_ms)
+ vreg->ocp_retry_delay_ms = SPMI_VS_OCP_DEFAULT_RETRY_DELAY_MS;
+
+ ret = spmi_regulator_init_registers(vreg, &data);
+ if (ret) {
+ dev_err(dev, "common initialization failed, ret=%d\n", ret);
+ return ret;
+ }
if (vreg->logical_type == SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS) {
ret = spmi_regulator_ftsmps_init_slew_rate(vreg);
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 3fd44353cc80..d86a3dcd61e2 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -16,12 +16,16 @@
* more details.
*/
-#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
#include <linux/i2c.h>
-#include <linux/mfd/rk808.h>
+#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/mfd/rk808.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
+#include <linux/gpio/consumer.h>
/* Field Definitions */
#define RK808_BUCK_VSEL_MASK 0x3f
@@ -36,12 +40,25 @@
#define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET)
#define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET)
+#define RK808_DVS2_POL BIT(2)
+#define RK808_DVS1_POL BIT(1)
+
/* Offset from XXX_ON_VSEL to XXX_SLP_VSEL */
#define RK808_SLP_REG_OFFSET 1
+/* Offset from XXX_ON_VSEL to XXX_DVS_VSEL */
+#define RK808_DVS_REG_OFFSET 2
+
/* Offset from XXX_EN_REG to SLEEP_SET_OFF_XXX */
#define RK808_SLP_SET_OFF_REG_OFFSET 2
+/* max steps for increase voltage of Buck1/2, equal 100mv*/
+#define MAX_STEPS_ONE_TIME 8
+
+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,
@@ -70,6 +87,131 @@ static const struct regulator_linear_range rk808_ldo6_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0, 17, 100000),
};
+static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
+{
+ struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
+ int id = rdev->desc->id - RK808_ID_DCDC1;
+ struct gpio_desc *gpio = pdata->dvs_gpio[id];
+ unsigned int val;
+ int ret;
+
+ if (!gpio || gpiod_get_value(gpio) == 0)
+ return regulator_get_voltage_sel_regmap(rdev);
+
+ ret = regmap_read(rdev->regmap,
+ rdev->desc->vsel_reg + RK808_DVS_REG_OFFSET,
+ &val);
+ if (ret != 0)
+ return ret;
+
+ val &= rdev->desc->vsel_mask;
+ val >>= ffs(rdev->desc->vsel_mask) - 1;
+
+ return val;
+}
+
+static int rk808_buck1_2_i2c_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned sel)
+{
+ int ret, delta_sel;
+ unsigned int old_sel, tmp, val, mask = rdev->desc->vsel_mask;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ tmp = val & ~mask;
+ old_sel = val & mask;
+ old_sel >>= ffs(mask) - 1;
+ delta_sel = sel - old_sel;
+
+ /*
+ * If directly modify the register to change the voltage, we will face
+ * the risk of overshoot. Put it into a multi-step, can effectively
+ * avoid this problem, a step is 100mv here.
+ */
+ while (delta_sel > MAX_STEPS_ONE_TIME) {
+ old_sel += MAX_STEPS_ONE_TIME;
+ val = old_sel << (ffs(mask) - 1);
+ val |= tmp;
+
+ /*
+ * i2c is 400kHz (2.5us per bit) and we must transmit _at least_
+ * 3 bytes (24 bits) plus start and stop so 26 bits. So we've
+ * got more than 65 us between each voltage change and thus
+ * won't ramp faster than ~1500 uV / us.
+ */
+ ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
+ delta_sel = sel - old_sel;
+ }
+
+ sel <<= ffs(mask) - 1;
+ val = tmp | sel;
+ ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
+
+ /*
+ * When we change the voltage register directly, the ramp rate is about
+ * 100000uv/us, wait 1us to make sure the target voltage to be stable,
+ * so we needn't wait extra time after that.
+ */
+ udelay(1);
+
+ return ret;
+}
+
+static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned sel)
+{
+ struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
+ int id = rdev->desc->id - RK808_ID_DCDC1;
+ struct gpio_desc *gpio = pdata->dvs_gpio[id];
+ unsigned int reg = rdev->desc->vsel_reg;
+ unsigned old_sel;
+ int ret, gpio_level;
+
+ if (!gpio)
+ return rk808_buck1_2_i2c_set_voltage_sel(rdev, sel);
+
+ gpio_level = gpiod_get_value(gpio);
+ if (gpio_level == 0) {
+ reg += RK808_DVS_REG_OFFSET;
+ ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &old_sel);
+ } else {
+ ret = regmap_read(rdev->regmap,
+ reg + RK808_DVS_REG_OFFSET,
+ &old_sel);
+ }
+
+ if (ret != 0)
+ return ret;
+
+ sel <<= ffs(rdev->desc->vsel_mask) - 1;
+ sel |= old_sel & ~rdev->desc->vsel_mask;
+
+ ret = regmap_write(rdev->regmap, reg, sel);
+ if (ret)
+ return ret;
+
+ gpiod_set_value(gpio, !gpio_level);
+
+ return ret;
+}
+
+static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector,
+ unsigned int new_selector)
+{
+ struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
+ int id = rdev->desc->id - RK808_ID_DCDC1;
+ struct gpio_desc *gpio = pdata->dvs_gpio[id];
+
+ /* if there is no dvs1/2 pin, we don't need wait extra time here. */
+ if (!gpio)
+ return 0;
+
+ 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;
@@ -137,8 +279,9 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev)
static struct regulator_ops rk808_buck1_2_ops = {
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = rk808_buck1_2_get_voltage_sel_regmap,
+ .set_voltage_sel = rk808_buck1_2_set_voltage_sel,
+ .set_voltage_time_sel = rk808_buck1_2_set_voltage_time_sel,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
@@ -380,25 +523,69 @@ static struct of_regulator_match rk808_reg_matches[] = {
[RK808_ID_SWITCH2] = { .name = "SWITCH_REG2" },
};
+static int rk808_regulator_dt_parse_pdata(struct device *dev,
+ struct device *client_dev,
+ struct regmap *map,
+ struct rk808_regulator_data *pdata)
+{
+ struct device_node *np;
+ int tmp, ret, i;
+
+ np = of_get_child_by_name(client_dev->of_node, "regulators");
+ if (!np)
+ return -ENXIO;
+
+ ret = of_regulator_match(dev, np, rk808_reg_matches,
+ RK808_NUM_REGULATORS);
+ if (ret < 0)
+ goto dt_parse_end;
+
+ for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) {
+ pdata->dvs_gpio[i] =
+ devm_gpiod_get_index_optional(client_dev, "dvs", i,
+ GPIOD_OUT_LOW);
+ if (IS_ERR(pdata->dvs_gpio[i])) {
+ ret = PTR_ERR(pdata->dvs_gpio[i]);
+ dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret);
+ goto dt_parse_end;
+ }
+
+ if (!pdata->dvs_gpio[i]) {
+ dev_warn(dev, "there is no dvs%d gpio\n", i);
+ continue;
+ }
+
+ tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL;
+ ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp,
+ gpiod_is_active_low(pdata->dvs_gpio[i]) ?
+ 0 : tmp);
+ }
+
+dt_parse_end:
+ of_node_put(np);
+ return ret;
+}
+
static int rk808_regulator_probe(struct platform_device *pdev)
{
struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
struct i2c_client *client = rk808->i2c;
- struct device_node *reg_np;
struct regulator_config config = {};
struct regulator_dev *rk808_rdev;
+ struct rk808_regulator_data *pdata;
int ret, i;
- reg_np = of_get_child_by_name(client->dev.of_node, "regulators");
- if (!reg_np)
- return -ENXIO;
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
- ret = of_regulator_match(&pdev->dev, reg_np, rk808_reg_matches,
- RK808_NUM_REGULATORS);
- of_node_put(reg_np);
+ ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
+ rk808->regmap, pdata);
if (ret < 0)
return ret;
+ platform_set_drvdata(pdev, pdata);
+
/* Instantiate the regulators */
for (i = 0; i < RK808_NUM_REGULATORS; i++) {
if (!rk808_reg_matches[i].init_data ||
@@ -406,7 +593,7 @@ static int rk808_regulator_probe(struct platform_device *pdev)
continue;
config.dev = &client->dev;
- config.driver_data = rk808;
+ config.driver_data = pdata;
config.regmap = rk808->regmap;
config.of_node = rk808_reg_matches[i].of_node;
config.init_data = rk808_reg_matches[i].init_data;
@@ -427,6 +614,7 @@ static struct platform_driver rk808_regulator_driver = {
.probe = rk808_regulator_probe,
.driver = {
.name = "rk808-regulator",
+ .owner = THIS_MODULE,
},
};
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c
index c213e37eb69e..572816e30095 100644
--- a/drivers/regulator/tps51632-regulator.c
+++ b/drivers/regulator/tps51632-regulator.c
@@ -362,7 +362,6 @@ MODULE_DEVICE_TABLE(i2c, tps51632_id);
static struct i2c_driver tps51632_i2c_driver = {
.driver = {
.name = "tps51632",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(tps51632_of_match),
},
.probe = tps51632_probe,
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index a1fd626c6c96..f6a6d36a6533 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -515,7 +515,6 @@ MODULE_DEVICE_TABLE(i2c, tps62360_id);
static struct i2c_driver tps62360_i2c_driver = {
.driver = {
.name = "tps62360",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(tps62360_of_match),
},
.probe = tps62360_probe,
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index b941e564b3f3..5cc19b44974a 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -410,7 +410,6 @@ MODULE_DEVICE_TABLE(i2c, tps_65023_id);
static struct i2c_driver tps_65023_i2c_driver = {
.driver = {
.name = "tps65023",
- .owner = THIS_MODULE,
},
.probe = tps_65023_probe,
.id_table = tps_65023_id,
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 2852de05d64d..9e9d22038017 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -422,12 +422,12 @@ static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
return NULL;
for (i = 0; i < num; i++) {
- int id;
+ uintptr_t id;
if (!tps6586x_matches[i].init_data)
continue;
pdata->reg_init_data[i] = tps6586x_matches[i].init_data;
- id = (int)tps6586x_matches[i].driver_data;
+ id = (uintptr_t)tps6586x_matches[i].driver_data;
if (id == TPS6586X_ID_SYS)
sys_rail = pdata->reg_init_data[i]->constraints.name;