[PATCH v6 9/9] regulator: tps65219: Add TI TPS65214 Regulator Support
From: Shree Ramamoorthy <hidden>
Date: 2025-03-05 21:04:08
Also in:
linux-omap, lkml
Subsystem:
omap2+ support, the rest, voltage and current regulator framework · Maintainers:
Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds, Liam Girdwood, Mark Brown
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 <redacted> --- 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@baylibre.com>"); -MODULE_DESCRIPTION("TPS65215/TPS65219 voltage regulator driver"); +MODULE_DESCRIPTION("TPS65214/TPS65215/TPS65219 Regulator driver"); MODULE_LICENSE("GPL");
--
2.43.0