From 51af20675800ffbd97bd48363a06e00f83de44c4 Mon Sep 17 00:00:00 2001 From: Thomas Abraham Date: Fri, 20 Nov 2015 16:07:52 +0530 Subject: regulator: s2mps11: Add support for S2MPS15 regulators The S2MPS15 PMIC is similar in functionality to S2MPS11/14 PMIC. It contains 27 LDO and 10 Buck regulators and allows programming these regulators via a I2C interface. This patch adds initial support for LDO/Buck regulators of S2MPS15 PMIC. Signed-off-by: Thomas Abraham Signed-off-by: Alim Akhtar Reviewed-by: Krzysztof Kozlowski Acked-by: Mark Brown Signed-off-by: Lee Jones diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 8df0b0e..2805b01 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -588,10 +588,10 @@ config REGULATOR_S2MPA01 via I2C bus. S2MPA01 has 10 Bucks and 26 LDO outputs. config REGULATOR_S2MPS11 - tristate "Samsung S2MPS11/S2MPS13/S2MPS14/S2MPU02 voltage regulator" + tristate "Samsung S2MPS11/13/14/15/S2MPU02 voltage regulator" depends on MFD_SEC_CORE help - This driver supports a Samsung S2MPS11/S2MPS13/S2MPS14/S2MPU02 voltage + This driver supports a Samsung S2MPS11/13/14/15/S2MPU02 voltage output regulator via I2C bus. The chip is comprised of high efficient Buck converters including Dual-Phase Buck converter, Buck-Boost converter, various LDOs. diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 72fc3c3..b2f3a28 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -32,6 +32,7 @@ #include #include #include +#include #include /* The highest number of possible regulators for supported devices. */ @@ -661,6 +662,133 @@ static const struct regulator_desc s2mps14_regulators[] = { S2MPS14_BUCK1235_START_SEL), }; +static struct regulator_ops s2mps15_reg_ldo_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +static struct regulator_ops s2mps15_reg_buck_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, +}; + +#define regulator_desc_s2mps15_ldo(num, range) { \ + .name = "LDO"#num, \ + .id = S2MPS15_LDO##num, \ + .ops = &s2mps15_reg_ldo_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .linear_ranges = range, \ + .n_linear_ranges = ARRAY_SIZE(range), \ + .n_voltages = S2MPS15_LDO_N_VOLTAGES, \ + .vsel_reg = S2MPS15_REG_L1CTRL + num - 1, \ + .vsel_mask = S2MPS15_LDO_VSEL_MASK, \ + .enable_reg = S2MPS15_REG_L1CTRL + num - 1, \ + .enable_mask = S2MPS15_ENABLE_MASK \ +} + +#define regulator_desc_s2mps15_buck(num, range) { \ + .name = "BUCK"#num, \ + .id = S2MPS15_BUCK##num, \ + .ops = &s2mps15_reg_buck_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .linear_ranges = range, \ + .n_linear_ranges = ARRAY_SIZE(range), \ + .ramp_delay = 12500, \ + .n_voltages = S2MPS15_BUCK_N_VOLTAGES, \ + .vsel_reg = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2), \ + .vsel_mask = S2MPS15_BUCK_VSEL_MASK, \ + .enable_reg = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2), \ + .enable_mask = S2MPS15_ENABLE_MASK \ +} + +/* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */ +static const struct regulator_linear_range s2mps15_ldo_voltage_ranges1[] = { + REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000), +}; + +/* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */ +static const struct regulator_linear_range s2mps15_ldo_voltage_ranges2[] = { + REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000), +}; + +/* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */ +static const struct regulator_linear_range s2mps15_ldo_voltage_ranges3[] = { + REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500), +}; + +/* voltage range for s2mps15 LDO 7, 8, 9 and 10 */ +static const struct regulator_linear_range s2mps15_ldo_voltage_ranges4[] = { + REGULATOR_LINEAR_RANGE(700000, 0xc, 0x18, 25000), +}; + +/* voltage range for s2mps15 LDO 1 */ +static const struct regulator_linear_range s2mps15_ldo_voltage_ranges5[] = { + REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500), +}; + +/* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */ +static const struct regulator_linear_range s2mps15_buck_voltage_ranges1[] = { + REGULATOR_LINEAR_RANGE(500000, 0x20, 0xb0, 6250), +}; + +/* voltage range for s2mps15 BUCK 8, 9 and 10 */ +static const struct regulator_linear_range s2mps15_buck_voltage_ranges2[] = { + REGULATOR_LINEAR_RANGE(1000000, 0x20, 0xc0, 12500), +}; + +static const struct regulator_desc s2mps15_regulators[] = { + regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5), + regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3), + regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4), + regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4), + regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4), + regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4), + regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3), + regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3), + regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3), + regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3), + regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2), + regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3), + regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1), + regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1), + regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2), + regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2), + regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2), +}; + static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11, struct regulator_dev *rdev) { @@ -974,6 +1102,10 @@ static int s2mps11_pmic_probe(struct platform_device *pdev) regulators = s2mps14_regulators; BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; + case S2MPS15X: + s2mps11->rdev_num = ARRAY_SIZE(s2mps15_regulators); + regulators = s2mps15_regulators; + break; case S2MPU02: s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators); regulators = s2mpu02_regulators; @@ -1070,6 +1202,7 @@ static const struct platform_device_id s2mps11_pmic_id[] = { { "s2mps11-pmic", S2MPS11X}, { "s2mps13-pmic", S2MPS13X}, { "s2mps14-pmic", S2MPS14X}, + { "s2mps15-regulator", S2MPS15X}, { "s2mpu02-pmic", S2MPU02}, { }, }; @@ -1097,5 +1230,5 @@ module_exit(s2mps11_pmic_exit); /* Module information */ MODULE_AUTHOR("Sangbeom Kim "); -MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPU02 Regulator Driver"); +MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver"); MODULE_LICENSE("GPL"); -- cgit v0.10.2