Add support for TPS65214 regulators (bucks and LDOs) to the TPS65219 Regulator Driver as the TPS65214/TPS65214/TPS65219 PMIC devices have significant register map overlap. TPS65214 is a Power Management IC with 3 Buck regulators (like TPS65215/TPS65219) and has 2 LDOs (like TPS65215). Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@xxxxxx> --- drivers/regulator/Kconfig | 9 +++- drivers/regulator/tps65219-regulator.c | 73 ++++++++++++++++++++++---- 2 files changed, 69 insertions(+), 13 deletions(-) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 6cd87443f9bb..3a694945739c 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1579,11 +1579,16 @@ config REGULATOR_TPS65219 tristate "TI TPS65219 Power regulators" depends on MFD_TPS65219 && OF help - This driver supports TPS65219 series and TPS65215 voltage regulator chips. + This driver supports TPS65219, TPS65215, and TPS65214 voltage + regulator chips. TPS65219 series of PMICs have 3 single phase BUCKs & 4 LDOs voltage regulators. TPS65215 PMIC has 3 single phase BUCKs & 2 LDOs. - Both PMICs support software based voltage control for different voltage domains. + TPS65214 PMIC has 3 synchronous stepdown DC-DC converters & 2 + LDOs. One LDO supports a maximum output current of 300 mA and the + other a maximum of 500 mA + All 3 PMICs support software based voltage control for different + voltage domains. config REGULATOR_TPS6594 tristate "TI TPS6594 Power regulators" diff --git a/drivers/regulator/tps65219-regulator.c b/drivers/regulator/tps65219-regulator.c index 5f5a6f3c950b..241a7e841d35 100644 --- a/drivers/regulator/tps65219-regulator.c +++ b/drivers/regulator/tps65219-regulator.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 // -// Regulator driver for TPS65215/TPS65219 PMIC +// TPS65214/TPS65215/TPS65219 PMIC Regulator Driver // // Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ // Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/ @@ -29,6 +29,11 @@ struct tps65219_regulator_irq_type { unsigned long event; }; +static struct tps65219_regulator_irq_type tps65215_regulator_irq_types[] = { + { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, +}; + static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { { "LDO3_SCG", "LDO3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, { "LDO3_OC", "LDO3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, @@ -40,9 +45,11 @@ static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { { "LDO4_RV", "LDO4", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, }; -/* All of TPS65215's irq types are the same as common_regulator_irq_types */ +/* All of TPS65214's irq types are the same as common_regulator_irq_types */ static struct tps65219_regulator_irq_type common_regulator_irq_types[] = { { "LDO1_SCG", "LDO1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, { "LDO1_OC", "LDO1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, @@ -75,11 +82,9 @@ static struct tps65219_regulator_irq_type common_regulator_irq_types[] = { REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, - { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, { "SENSOR_2_WARM", "SENSOR2", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, { "SENSOR_1_WARM", "SENSOR1", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, { "SENSOR_0_WARM", "SENSOR0", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, - { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, { "SENSOR_2_HOT", "SENSOR2", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, { "SENSOR_1_HOT", "SENSOR1", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, { "SENSOR_0_HOT", "SENSOR0", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, @@ -133,6 +138,12 @@ static const struct linear_range ldo_1_range[] = { REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), }; +static const struct linear_range tps65214_ldo_1_2_range[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x2, 0), + REGULATOR_LINEAR_RANGE(650000, 0x3, 0x37, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x38, 0x3F, 0), +}; + static const struct linear_range tps65215_ldo_2_range[] = { REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 50000), REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), @@ -251,6 +262,32 @@ static const struct regulator_desc common_regs[] = { TPS65219_REG_ENABLE_CTRL, TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges, 3, 0, 0, NULL, 0, 0), +}; + +static const struct regulator_desc tps65214_regs[] = { + // TPS65214's LDO3 pin maps to TPS65219's LDO3 pin + TPS65219_REGULATOR("LDO1", "ldo1", TPS65214_LDO_1, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, + TPS65214_REG_LDO1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, tps65214_ldo_1_2_range, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO2", "ldo2", TPS65214_LDO_2, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, + TPS65214_REG_LDO2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, tps65214_ldo_1_2_range, + 3, 0, 0, NULL, 0, 0), +}; + +static const struct regulator_desc tps65215_regs[] = { + /* + * TPS65215's LDO1 is the same as TPS65219's LDO1. LDO1 is + * configurable as load switch and bypass-mode. + * TPS65215's LDO2 is the same as TPS65219's LDO3 + */ TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, REGULATOR_VOLTAGE, ldos_1_2_ops, 64, TPS65219_REG_LDO1_VOUT, @@ -258,10 +295,6 @@ static const struct regulator_desc common_regs[] = { TPS65219_REG_ENABLE_CTRL, TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldo_1_range, 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), -}; - -static const struct regulator_desc tps65215_regs[] = { - // TPS65215's LDO2 is the same as TPS65219's LDO3 TPS65219_REGULATOR("LDO2", "ldo2", TPS65215_LDO_2, REGULATOR_VOLTAGE, ldos_3_4_ops, 64, TPS65215_REG_LDO2_VOUT, @@ -272,6 +305,13 @@ static const struct regulator_desc tps65215_regs[] = { }; static const struct regulator_desc tps65219_regs[] = { + TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, + REGULATOR_VOLTAGE, ldos_1_2_ops, 64, + TPS65219_REG_LDO1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldo_1_range, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2, REGULATOR_VOLTAGE, ldos_1_2_ops, 64, TPS65219_REG_LDO2_VOUT, @@ -326,13 +366,23 @@ struct tps65219_chip_data { }; static struct tps65219_chip_data chip_info_table[] = { + [TPS65214] = { + .rdesc = tps65214_regs, + .rdesc_size = ARRAY_SIZE(tps65214_regs), + .common_rdesc = common_regs, + .common_rdesc_size = ARRAY_SIZE(common_regs), + .irq_types = NULL, + .dev_irq_size = 0, + .common_irq_types = common_regulator_irq_types, + .common_irq_size = ARRAY_SIZE(common_regulator_irq_types), + }, [TPS65215] = { .rdesc = tps65215_regs, .rdesc_size = ARRAY_SIZE(tps65215_regs), .common_rdesc = common_regs, .common_rdesc_size = ARRAY_SIZE(common_regs), - .irq_types = NULL, - .dev_irq_size = 0, + .irq_types = tps65215_regulator_irq_types, + .dev_irq_size = ARRAY_SIZE(tps65215_regulator_irq_types), .common_irq_types = common_regulator_irq_types, .common_irq_size = ARRAY_SIZE(common_regulator_irq_types), }, @@ -436,6 +486,7 @@ static int tps65219_regulator_probe(struct platform_device *pdev) } static const struct platform_device_id tps65219_regulator_id_table[] = { + { "tps65214-regulator", TPS65214 }, { "tps65215-regulator", TPS65215 }, { "tps65219-regulator", TPS65219 }, { /* sentinel */ } @@ -454,5 +505,5 @@ static struct platform_driver tps65219_regulator_driver = { module_platform_driver(tps65219_regulator_driver); MODULE_AUTHOR("Jerome Neanne <j-neanne@xxxxxxxxxxxx>"); -MODULE_DESCRIPTION("TPS65215/TPS65219 voltage regulator driver"); +MODULE_DESCRIPTION("TPS65214/TPS65215/TPS65219 Regulator driver"); MODULE_LICENSE("GPL"); -- 2.43.0
