diff options
Diffstat (limited to 'drivers/regulator/tps65219-regulator.c')
-rw-r--r-- | drivers/regulator/tps65219-regulator.c | 242 |
1 files changed, 193 insertions, 49 deletions
diff --git a/drivers/regulator/tps65219-regulator.c b/drivers/regulator/tps65219-regulator.c index aa65077f9d41..b16b300d7f45 100644 --- a/drivers/regulator/tps65219-regulator.c +++ b/drivers/regulator/tps65219-regulator.c @@ -1,10 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 // -// tps65219-regulator.c -// -// Regulator driver for 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/ // // This implementation derived from tps65218 authored by // "J Keerthy <j-keerthy@ti.com>" @@ -30,6 +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 }, @@ -37,6 +41,16 @@ static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { { "LDO4_SCG", "LDO4", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, { "LDO4_OC", "LDO4", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, { "LDO4_UV", "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "LDO3_RV", "LDO3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "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 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 }, { "LDO1_UV", "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, @@ -60,8 +74,6 @@ static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { { "BUCK3_RV", "BUCK3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO1_RV", "LDO1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO2_RV", "LDO2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, - { "LDO3_RV", "LDO3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, - { "LDO4_RV", "LDO4", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown", @@ -70,13 +82,9 @@ static struct tps65219_regulator_irq_type tps65219_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 }, - { "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_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 }, @@ -125,12 +133,28 @@ static const struct linear_range bucks_ranges[] = { REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0), }; -static const struct linear_range ldos_1_2_ranges[] = { +static const struct linear_range ldo_1_range[] = { REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000), REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), }; -static const struct linear_range ldos_3_4_ranges[] = { +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), +}; + +static const struct linear_range tps65219_ldo_2_range[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000), + REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), +}; + +static const struct linear_range tps65219_ldos_3_4_range[] = { REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 0), REGULATOR_LINEAR_RANGE(1250000, 0xD, 0x35, 50000), REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), @@ -174,7 +198,7 @@ static unsigned int tps65219_get_mode(struct regulator_dev *dev) } /* Operations permitted on BUCK1/2/3 */ -static const struct regulator_ops tps65219_bucks_ops = { +static const struct regulator_ops bucks_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -189,7 +213,7 @@ static const struct regulator_ops tps65219_bucks_ops = { }; /* Operations permitted on LDO1/2 */ -static const struct regulator_ops tps65219_ldos_1_2_ops = { +static const struct regulator_ops ldos_1_2_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -204,7 +228,7 @@ static const struct regulator_ops tps65219_ldos_1_2_ops = { }; /* Operations permitted on LDO3/4 */ -static const struct regulator_ops tps65219_ldos_3_4_ops = { +static const struct regulator_ops ldos_3_4_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -216,55 +240,98 @@ static const struct regulator_ops tps65219_ldos_3_4_ops = { .map_voltage = regulator_map_voltage_linear_range, }; -static const struct regulator_desc regulators[] = { +static const struct regulator_desc common_regs[] = { TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1, - REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + REGULATOR_VOLTAGE, bucks_ops, 64, TPS65219_REG_BUCK1_VOUT, TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, TPS65219_REG_ENABLE_CTRL, TPS65219_ENABLE_BUCK1_EN_MASK, 0, 0, bucks_ranges, 3, 4000, 0, NULL, 0, 0), TPS65219_REGULATOR("BUCK2", "buck2", TPS65219_BUCK_2, - REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + REGULATOR_VOLTAGE, bucks_ops, 64, TPS65219_REG_BUCK2_VOUT, TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, TPS65219_REG_ENABLE_CTRL, TPS65219_ENABLE_BUCK2_EN_MASK, 0, 0, bucks_ranges, 3, 4000, 0, NULL, 0, 0), TPS65219_REGULATOR("BUCK3", "buck3", TPS65219_BUCK_3, - REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + REGULATOR_VOLTAGE, bucks_ops, 64, TPS65219_REG_BUCK3_VOUT, TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 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, tps65219_ldos_1_2_ops, 64, + 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, ldos_1_2_ranges, + TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldo_1_range, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO2", "ldo2", TPS65215_LDO_2, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, + TPS65215_REG_LDO2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65215_ENABLE_LDO2_EN_MASK, 0, 0, tps65215_ldo_2_range, + 2, 0, 0, NULL, 0, 0), +}; + +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, tps65219_ldos_1_2_ops, 64, + REGULATOR_VOLTAGE, ldos_1_2_ops, 64, TPS65219_REG_LDO2_VOUT, TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, TPS65219_REG_ENABLE_CTRL, - TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, ldos_1_2_ranges, + TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, tps65219_ldo_2_range, 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3, - REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, TPS65219_REG_LDO3_VOUT, TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, TPS65219_REG_ENABLE_CTRL, - TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, ldos_3_4_ranges, + TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, tps65219_ldos_3_4_range, 3, 0, 0, NULL, 0, 0), TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4, - REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, TPS65219_REG_LDO4_VOUT, TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, TPS65219_REG_ENABLE_CTRL, - TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, ldos_3_4_ranges, + TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, tps65219_ldos_3_4_range, 3, 0, 0, NULL, 0, 0), }; @@ -287,64 +354,141 @@ static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data) return IRQ_HANDLED; } +struct tps65219_chip_data { + size_t rdesc_size; + size_t common_rdesc_size; + size_t dev_irq_size; + size_t common_irq_size; + const struct regulator_desc *rdesc; + const struct regulator_desc *common_rdesc; + struct tps65219_regulator_irq_type *irq_types; + struct tps65219_regulator_irq_type *common_irq_types; +}; + +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 = 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), + }, + [TPS65219] = { + .rdesc = tps65219_regs, + .rdesc_size = ARRAY_SIZE(tps65219_regs), + .common_rdesc = common_regs, + .common_rdesc_size = ARRAY_SIZE(common_regs), + .irq_types = tps65219_regulator_irq_types, + .dev_irq_size = ARRAY_SIZE(tps65219_regulator_irq_types), + .common_irq_types = common_regulator_irq_types, + .common_irq_size = ARRAY_SIZE(common_regulator_irq_types), + }, +}; + static int tps65219_regulator_probe(struct platform_device *pdev) { - struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + struct tps65219_regulator_irq_data *irq_data; + struct tps65219_regulator_irq_type *irq_type; + struct tps65219_chip_data *pmic; struct regulator_dev *rdev; - struct regulator_config config = { }; - int i; int error; int irq; - struct tps65219_regulator_irq_data *irq_data; - struct tps65219_regulator_irq_type *irq_type; + int i; + + struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + struct regulator_config config = { }; + enum pmic_id chip = platform_get_device_id(pdev)->driver_data; + + pmic = &chip_info_table[chip]; config.dev = tps->dev; config.driver_data = tps; config.regmap = tps->regmap; - for (i = 0; i < ARRAY_SIZE(regulators); i++) { - rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + for (i = 0; i < pmic->common_rdesc_size; i++) { + rdev = devm_regulator_register(&pdev->dev, &pmic->common_rdesc[i], + &config); + if (IS_ERR(rdev)) + return dev_err_probe(tps->dev, PTR_ERR(rdev), + "Failed to register %s regulator\n", + pmic->common_rdesc[i].name); + } + + for (i = 0; i < pmic->rdesc_size; i++) { + rdev = devm_regulator_register(&pdev->dev, &pmic->rdesc[i], &config); if (IS_ERR(rdev)) return dev_err_probe(tps->dev, PTR_ERR(rdev), - "Failed to register %s regulator\n", - regulators[i].name); + "Failed to register %s regulator\n", + pmic->rdesc[i].name); } - irq_data = devm_kmalloc(tps->dev, - ARRAY_SIZE(tps65219_regulator_irq_types) * - sizeof(struct tps65219_regulator_irq_data), - GFP_KERNEL); + irq_data = devm_kmalloc(tps->dev, pmic->common_irq_size, GFP_KERNEL); if (!irq_data) return -ENOMEM; - for (i = 0; i < ARRAY_SIZE(tps65219_regulator_irq_types); ++i) { - irq_type = &tps65219_regulator_irq_types[i]; - + for (i = 0; i < pmic->common_irq_size; ++i) { + irq_type = &pmic->common_irq_types[i]; irq = platform_get_irq_byname(pdev, irq_type->irq_name); if (irq < 0) return -EINVAL; irq_data[i].dev = tps->dev; irq_data[i].type = irq_type; + error = devm_request_threaded_irq(tps->dev, irq, NULL, + tps65219_regulator_irq_handler, + IRQF_ONESHOT, + irq_type->irq_name, + &irq_data[i]); + if (error) + return dev_err_probe(tps->dev, PTR_ERR(rdev), + "Failed to request %s IRQ %d: %d\n", + irq_type->irq_name, irq, error); + } + + irq_data = devm_kmalloc(tps->dev, pmic->dev_irq_size, GFP_KERNEL); + if (!irq_data) + return -ENOMEM; + for (i = 0; i < pmic->dev_irq_size; ++i) { + irq_type = &pmic->irq_types[i]; + irq = platform_get_irq_byname(pdev, irq_type->irq_name); + if (irq < 0) + return -EINVAL; + + irq_data[i].dev = tps->dev; + irq_data[i].type = irq_type; error = devm_request_threaded_irq(tps->dev, irq, NULL, tps65219_regulator_irq_handler, IRQF_ONESHOT, irq_type->irq_name, &irq_data[i]); - if (error) { - dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", - irq_type->irq_name, irq, error); - return error; - } + if (error) + return dev_err_probe(tps->dev, PTR_ERR(rdev), + "Failed to request %s IRQ %d: %d\n", + irq_type->irq_name, irq, error); } return 0; } static const struct platform_device_id tps65219_regulator_id_table[] = { - { "tps65219-regulator", }, + { "tps65214-regulator", TPS65214 }, + { "tps65215-regulator", TPS65215 }, + { "tps65219-regulator", TPS65219 }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table); @@ -361,5 +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("TPS65219 voltage regulator driver"); +MODULE_DESCRIPTION("TPS65214/TPS65215/TPS65219 Regulator driver"); MODULE_LICENSE("GPL"); |