1c12ac5fcSJerome Neanne // SPDX-License-Identifier: GPL-2.0 2c12ac5fcSJerome Neanne // 3c12ac5fcSJerome Neanne // tps65219-regulator.c 4c12ac5fcSJerome Neanne // 5c12ac5fcSJerome Neanne // Regulator driver for TPS65219 PMIC 6c12ac5fcSJerome Neanne // 7c12ac5fcSJerome Neanne // Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ 8c12ac5fcSJerome Neanne // 9c12ac5fcSJerome Neanne // This implementation derived from tps65218 authored by 10c12ac5fcSJerome Neanne // "J Keerthy <j-keerthy@ti.com>" 11c12ac5fcSJerome Neanne // 12c12ac5fcSJerome Neanne 13c12ac5fcSJerome Neanne #include <linux/kernel.h> 14c12ac5fcSJerome Neanne #include <linux/module.h> 15c12ac5fcSJerome Neanne #include <linux/device.h> 16c12ac5fcSJerome Neanne #include <linux/init.h> 17c12ac5fcSJerome Neanne #include <linux/err.h> 18c12ac5fcSJerome Neanne #include <linux/platform_device.h> 19c12ac5fcSJerome Neanne #include <linux/of_device.h> 20c12ac5fcSJerome Neanne #include <linux/regmap.h> 21c12ac5fcSJerome Neanne #include <linux/regulator/of_regulator.h> 22c12ac5fcSJerome Neanne #include <linux/regulator/driver.h> 23c12ac5fcSJerome Neanne #include <linux/regulator/machine.h> 24c12ac5fcSJerome Neanne #include <linux/mfd/tps65219.h> 25c12ac5fcSJerome Neanne 26c12ac5fcSJerome Neanne struct tps65219_regulator_irq_type { 27c12ac5fcSJerome Neanne const char *irq_name; 28c12ac5fcSJerome Neanne const char *regulator_name; 29c12ac5fcSJerome Neanne const char *event_name; 30c12ac5fcSJerome Neanne unsigned long event; 31c12ac5fcSJerome Neanne }; 32c12ac5fcSJerome Neanne 33b662748fSYang Yingliang static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { 34c12ac5fcSJerome Neanne { "LDO3_SCG", "LDO3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 35c12ac5fcSJerome Neanne { "LDO3_OC", "LDO3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 36c12ac5fcSJerome Neanne { "LDO3_UV", "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 37c12ac5fcSJerome Neanne { "LDO4_SCG", "LDO4", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 38c12ac5fcSJerome Neanne { "LDO4_OC", "LDO4", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 39c12ac5fcSJerome Neanne { "LDO4_UV", "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 40c12ac5fcSJerome Neanne { "LDO1_SCG", "LDO1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 41c12ac5fcSJerome Neanne { "LDO1_OC", "LDO1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 42c12ac5fcSJerome Neanne { "LDO1_UV", "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 43c12ac5fcSJerome Neanne { "LDO2_SCG", "LDO2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 44c12ac5fcSJerome Neanne { "LDO2_OC", "LDO2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 45c12ac5fcSJerome Neanne { "LDO2_UV", "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 46c12ac5fcSJerome Neanne { "BUCK3_SCG", "BUCK3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 47c12ac5fcSJerome Neanne { "BUCK3_OC", "BUCK3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 48c12ac5fcSJerome Neanne { "BUCK3_NEG_OC", "BUCK3", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 49c12ac5fcSJerome Neanne { "BUCK3_UV", "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 50c12ac5fcSJerome Neanne { "BUCK1_SCG", "BUCK1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 51c12ac5fcSJerome Neanne { "BUCK1_OC", "BUCK1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 52c12ac5fcSJerome Neanne { "BUCK1_NEG_OC", "BUCK1", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 53c12ac5fcSJerome Neanne { "BUCK1_UV", "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 54c12ac5fcSJerome Neanne { "BUCK2_SCG", "BUCK2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, 55c12ac5fcSJerome Neanne { "BUCK2_OC", "BUCK2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 56c12ac5fcSJerome Neanne { "BUCK2_NEG_OC", "BUCK2", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT }, 57c12ac5fcSJerome Neanne { "BUCK2_UV", "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, 58c12ac5fcSJerome Neanne { "BUCK1_RV", "BUCK1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 59c12ac5fcSJerome Neanne { "BUCK2_RV", "BUCK2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 60c12ac5fcSJerome Neanne { "BUCK3_RV", "BUCK3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 61c12ac5fcSJerome Neanne { "LDO1_RV", "LDO1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 62c12ac5fcSJerome Neanne { "LDO2_RV", "LDO2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 63c12ac5fcSJerome Neanne { "LDO3_RV", "LDO3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 64c12ac5fcSJerome Neanne { "LDO4_RV", "LDO4", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 65c12ac5fcSJerome Neanne { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown", 66c12ac5fcSJerome Neanne REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 67c12ac5fcSJerome Neanne { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown", 68c12ac5fcSJerome Neanne REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 69c12ac5fcSJerome Neanne { "BUCK3_RV_SD", "BUCK3", "residual voltage on shutdown", 70c12ac5fcSJerome Neanne REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 71c12ac5fcSJerome Neanne { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 72c12ac5fcSJerome Neanne { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 73c12ac5fcSJerome Neanne { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 74c12ac5fcSJerome Neanne { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, 75c12ac5fcSJerome Neanne { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, 76c12ac5fcSJerome Neanne { "SENSOR_2_WARM", "SENSOR2", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, 77c12ac5fcSJerome Neanne { "SENSOR_1_WARM", "SENSOR1", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, 78c12ac5fcSJerome Neanne { "SENSOR_0_WARM", "SENSOR0", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, 79c12ac5fcSJerome Neanne { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, 80c12ac5fcSJerome Neanne { "SENSOR_2_HOT", "SENSOR2", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, 81c12ac5fcSJerome Neanne { "SENSOR_1_HOT", "SENSOR1", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, 82c12ac5fcSJerome Neanne { "SENSOR_0_HOT", "SENSOR0", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, 83c12ac5fcSJerome Neanne { "TIMEOUT", "", "", REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE }, 84c12ac5fcSJerome Neanne }; 85c12ac5fcSJerome Neanne 86c12ac5fcSJerome Neanne struct tps65219_regulator_irq_data { 87c12ac5fcSJerome Neanne struct device *dev; 88c12ac5fcSJerome Neanne struct tps65219_regulator_irq_type *type; 89c12ac5fcSJerome Neanne struct regulator_dev *rdev; 90c12ac5fcSJerome Neanne }; 91c12ac5fcSJerome Neanne 92c12ac5fcSJerome Neanne #define TPS65219_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ 93c12ac5fcSJerome Neanne _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \ 94c12ac5fcSJerome Neanne _ct, _ncl, _bpm) \ 95c12ac5fcSJerome Neanne { \ 96c12ac5fcSJerome Neanne .name = _name, \ 97c12ac5fcSJerome Neanne .of_match = _of, \ 98c12ac5fcSJerome Neanne .regulators_node = of_match_ptr("regulators"), \ 99c12ac5fcSJerome Neanne .supply_name = _of, \ 100c12ac5fcSJerome Neanne .id = _id, \ 101c12ac5fcSJerome Neanne .ops = &(_ops), \ 102c12ac5fcSJerome Neanne .n_voltages = _n, \ 103c12ac5fcSJerome Neanne .type = _type, \ 104c12ac5fcSJerome Neanne .owner = THIS_MODULE, \ 105c12ac5fcSJerome Neanne .vsel_reg = _vr, \ 106c12ac5fcSJerome Neanne .vsel_mask = _vm, \ 107c12ac5fcSJerome Neanne .csel_reg = _cr, \ 108c12ac5fcSJerome Neanne .csel_mask = _cm, \ 109c12ac5fcSJerome Neanne .curr_table = _ct, \ 110c12ac5fcSJerome Neanne .n_current_limits = _ncl, \ 111c12ac5fcSJerome Neanne .enable_reg = _er, \ 112c12ac5fcSJerome Neanne .enable_mask = _em, \ 113c12ac5fcSJerome Neanne .volt_table = NULL, \ 114c12ac5fcSJerome Neanne .linear_ranges = _lr, \ 115c12ac5fcSJerome Neanne .n_linear_ranges = _nlr, \ 116c12ac5fcSJerome Neanne .ramp_delay = _delay, \ 117c12ac5fcSJerome Neanne .fixed_uV = _fuv, \ 118c12ac5fcSJerome Neanne .bypass_reg = _vr, \ 119c12ac5fcSJerome Neanne .bypass_mask = _bpm, \ 120c12ac5fcSJerome Neanne } \ 121c12ac5fcSJerome Neanne 122c12ac5fcSJerome Neanne static const struct linear_range bucks_ranges[] = { 123c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(600000, 0x0, 0x1f, 25000), 124c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(1400000, 0x20, 0x33, 100000), 125c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0), 126c12ac5fcSJerome Neanne }; 127c12ac5fcSJerome Neanne 128c12ac5fcSJerome Neanne static const struct linear_range ldos_1_2_ranges[] = { 129c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000), 130c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), 131c12ac5fcSJerome Neanne }; 132c12ac5fcSJerome Neanne 133c12ac5fcSJerome Neanne static const struct linear_range ldos_3_4_ranges[] = { 134c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 0), 135c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(1250000, 0xD, 0x35, 50000), 136c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), 137c12ac5fcSJerome Neanne }; 138c12ac5fcSJerome Neanne 139c12ac5fcSJerome Neanne static int tps65219_set_mode(struct regulator_dev *dev, unsigned int mode) 140c12ac5fcSJerome Neanne { 141c12ac5fcSJerome Neanne struct tps65219 *tps = rdev_get_drvdata(dev); 142c12ac5fcSJerome Neanne 143c12ac5fcSJerome Neanne switch (mode) { 144c12ac5fcSJerome Neanne case REGULATOR_MODE_NORMAL: 145c12ac5fcSJerome Neanne return regmap_set_bits(tps->regmap, TPS65219_REG_STBY_1_CONFIG, 146c12ac5fcSJerome Neanne dev->desc->enable_mask); 147c12ac5fcSJerome Neanne 148c12ac5fcSJerome Neanne case REGULATOR_MODE_STANDBY: 149c12ac5fcSJerome Neanne return regmap_clear_bits(tps->regmap, 150c12ac5fcSJerome Neanne TPS65219_REG_STBY_1_CONFIG, 151c12ac5fcSJerome Neanne dev->desc->enable_mask); 152c12ac5fcSJerome Neanne default: 153c12ac5fcSJerome Neanne return -EINVAL; 154c12ac5fcSJerome Neanne } 155c12ac5fcSJerome Neanne } 156c12ac5fcSJerome Neanne 157c12ac5fcSJerome Neanne static unsigned int tps65219_get_mode(struct regulator_dev *dev) 158c12ac5fcSJerome Neanne { 159c12ac5fcSJerome Neanne struct tps65219 *tps = rdev_get_drvdata(dev); 160c12ac5fcSJerome Neanne unsigned int rid = rdev_get_id(dev); 161c12ac5fcSJerome Neanne int ret, value = 0; 162c12ac5fcSJerome Neanne 163c12ac5fcSJerome Neanne ret = regmap_read(tps->regmap, TPS65219_REG_STBY_1_CONFIG, &value); 164c12ac5fcSJerome Neanne if (ret) { 165c12ac5fcSJerome Neanne dev_dbg(tps->dev, "%s failed for regulator %s: %d ", 166c12ac5fcSJerome Neanne __func__, dev->desc->name, ret); 167c12ac5fcSJerome Neanne return ret; 168c12ac5fcSJerome Neanne } 169c12ac5fcSJerome Neanne value = (value & BIT(rid)) >> rid; 170c12ac5fcSJerome Neanne if (value) 171c12ac5fcSJerome Neanne return REGULATOR_MODE_STANDBY; 172c12ac5fcSJerome Neanne else 173c12ac5fcSJerome Neanne return REGULATOR_MODE_NORMAL; 174c12ac5fcSJerome Neanne } 175c12ac5fcSJerome Neanne 176c12ac5fcSJerome Neanne /* 177c12ac5fcSJerome Neanne * generic regulator_set_bypass_regmap does not fully match requirements 178c12ac5fcSJerome Neanne * TPS65219 Requires explicitly that regulator is disabled before switch 179c12ac5fcSJerome Neanne */ 180c12ac5fcSJerome Neanne static int tps65219_set_bypass(struct regulator_dev *dev, bool enable) 181c12ac5fcSJerome Neanne { 182c12ac5fcSJerome Neanne struct tps65219 *tps = rdev_get_drvdata(dev); 183c12ac5fcSJerome Neanne unsigned int rid = rdev_get_id(dev); 184c12ac5fcSJerome Neanne 185947934e3SAxel Lin if (dev->desc->ops->is_enabled(dev)) { 186c12ac5fcSJerome Neanne dev_err(tps->dev, 187c12ac5fcSJerome Neanne "%s LDO%d enabled, must be shut down to set bypass ", 188c12ac5fcSJerome Neanne __func__, rid); 189c12ac5fcSJerome Neanne return -EBUSY; 190c12ac5fcSJerome Neanne } 191947934e3SAxel Lin return regulator_set_bypass_regmap(dev, enable); 192c12ac5fcSJerome Neanne } 193c12ac5fcSJerome Neanne 194c12ac5fcSJerome Neanne /* Operations permitted on BUCK1/2/3 */ 195c12ac5fcSJerome Neanne static const struct regulator_ops tps65219_bucks_ops = { 196c12ac5fcSJerome Neanne .is_enabled = regulator_is_enabled_regmap, 197c12ac5fcSJerome Neanne .enable = regulator_enable_regmap, 198c12ac5fcSJerome Neanne .disable = regulator_disable_regmap, 199c12ac5fcSJerome Neanne .set_mode = tps65219_set_mode, 200c12ac5fcSJerome Neanne .get_mode = tps65219_get_mode, 201c12ac5fcSJerome Neanne .get_voltage_sel = regulator_get_voltage_sel_regmap, 202c12ac5fcSJerome Neanne .set_voltage_sel = regulator_set_voltage_sel_regmap, 203c12ac5fcSJerome Neanne .list_voltage = regulator_list_voltage_linear_range, 204c12ac5fcSJerome Neanne .map_voltage = regulator_map_voltage_linear_range, 205c12ac5fcSJerome Neanne .set_voltage_time_sel = regulator_set_voltage_time_sel, 206c12ac5fcSJerome Neanne 207c12ac5fcSJerome Neanne }; 208c12ac5fcSJerome Neanne 209c12ac5fcSJerome Neanne /* Operations permitted on LDO1/2 */ 210c12ac5fcSJerome Neanne static const struct regulator_ops tps65219_ldos_1_2_ops = { 211c12ac5fcSJerome Neanne .is_enabled = regulator_is_enabled_regmap, 212c12ac5fcSJerome Neanne .enable = regulator_enable_regmap, 213c12ac5fcSJerome Neanne .disable = regulator_disable_regmap, 214c12ac5fcSJerome Neanne .set_mode = tps65219_set_mode, 215c12ac5fcSJerome Neanne .get_mode = tps65219_get_mode, 216c12ac5fcSJerome Neanne .get_voltage_sel = regulator_get_voltage_sel_regmap, 217c12ac5fcSJerome Neanne .set_voltage_sel = regulator_set_voltage_sel_regmap, 218c12ac5fcSJerome Neanne .list_voltage = regulator_list_voltage_linear_range, 219c12ac5fcSJerome Neanne .map_voltage = regulator_map_voltage_linear_range, 220c12ac5fcSJerome Neanne .set_bypass = tps65219_set_bypass, 221c12ac5fcSJerome Neanne .get_bypass = regulator_get_bypass_regmap, 222c12ac5fcSJerome Neanne }; 223c12ac5fcSJerome Neanne 224c12ac5fcSJerome Neanne /* Operations permitted on LDO3/4 */ 225c12ac5fcSJerome Neanne static const struct regulator_ops tps65219_ldos_3_4_ops = { 226c12ac5fcSJerome Neanne .is_enabled = regulator_is_enabled_regmap, 227c12ac5fcSJerome Neanne .enable = regulator_enable_regmap, 228c12ac5fcSJerome Neanne .disable = regulator_disable_regmap, 229c12ac5fcSJerome Neanne .set_mode = tps65219_set_mode, 230c12ac5fcSJerome Neanne .get_mode = tps65219_get_mode, 231c12ac5fcSJerome Neanne .get_voltage_sel = regulator_get_voltage_sel_regmap, 232c12ac5fcSJerome Neanne .set_voltage_sel = regulator_set_voltage_sel_regmap, 233c12ac5fcSJerome Neanne .list_voltage = regulator_list_voltage_linear_range, 234c12ac5fcSJerome Neanne .map_voltage = regulator_map_voltage_linear_range, 235c12ac5fcSJerome Neanne }; 236c12ac5fcSJerome Neanne 237c12ac5fcSJerome Neanne static const struct regulator_desc regulators[] = { 238c12ac5fcSJerome Neanne TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1, 239c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, 240c12ac5fcSJerome Neanne TPS65219_REG_BUCK1_VOUT, 241c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 242c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 243c12ac5fcSJerome Neanne TPS65219_ENABLE_BUCK1_EN_MASK, 0, 0, bucks_ranges, 244c12ac5fcSJerome Neanne 3, 4000, 0, NULL, 0, 0), 245c12ac5fcSJerome Neanne TPS65219_REGULATOR("BUCK2", "buck2", TPS65219_BUCK_2, 246c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, 247c12ac5fcSJerome Neanne TPS65219_REG_BUCK2_VOUT, 248c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 249c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 250c12ac5fcSJerome Neanne TPS65219_ENABLE_BUCK2_EN_MASK, 0, 0, bucks_ranges, 251c12ac5fcSJerome Neanne 3, 4000, 0, NULL, 0, 0), 252c12ac5fcSJerome Neanne TPS65219_REGULATOR("BUCK3", "buck3", TPS65219_BUCK_3, 253c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, 254c12ac5fcSJerome Neanne TPS65219_REG_BUCK3_VOUT, 255c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 256c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 257c12ac5fcSJerome Neanne TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges, 258c12ac5fcSJerome Neanne 3, 0, 0, NULL, 0, 0), 259c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, 260c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, 261c12ac5fcSJerome Neanne TPS65219_REG_LDO1_VOUT, 262c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 263c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 264c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldos_1_2_ranges, 265c12ac5fcSJerome Neanne 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), 266c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2, 267c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, 268c12ac5fcSJerome Neanne TPS65219_REG_LDO2_VOUT, 269c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 270c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 271c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, ldos_1_2_ranges, 272c12ac5fcSJerome Neanne 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), 273c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3, 274c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, 275c12ac5fcSJerome Neanne TPS65219_REG_LDO3_VOUT, 276c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 277c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 278c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, ldos_3_4_ranges, 279c12ac5fcSJerome Neanne 3, 0, 0, NULL, 0, 0), 280c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4, 281c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, 282c12ac5fcSJerome Neanne TPS65219_REG_LDO4_VOUT, 283c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, 284c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL, 285c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, ldos_3_4_ranges, 286c12ac5fcSJerome Neanne 3, 0, 0, NULL, 0, 0), 287c12ac5fcSJerome Neanne }; 288c12ac5fcSJerome Neanne 289c12ac5fcSJerome Neanne static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data) 290c12ac5fcSJerome Neanne { 291c12ac5fcSJerome Neanne struct tps65219_regulator_irq_data *irq_data = data; 292c12ac5fcSJerome Neanne 293c12ac5fcSJerome Neanne if (irq_data->type->event_name[0] == '\0') { 294c12ac5fcSJerome Neanne /* This is the timeout interrupt no specific regulator */ 295c12ac5fcSJerome Neanne dev_err(irq_data->dev, 296c12ac5fcSJerome Neanne "System was put in shutdown due to timeout during an active or standby transition.\n"); 297c12ac5fcSJerome Neanne return IRQ_HANDLED; 298c12ac5fcSJerome Neanne } 299c12ac5fcSJerome Neanne 300c12ac5fcSJerome Neanne regulator_notifier_call_chain(irq_data->rdev, 301c12ac5fcSJerome Neanne irq_data->type->event, NULL); 302c12ac5fcSJerome Neanne 303c12ac5fcSJerome Neanne dev_err(irq_data->dev, "Error IRQ trap %s for %s\n", 304c12ac5fcSJerome Neanne irq_data->type->event_name, irq_data->type->regulator_name); 305c12ac5fcSJerome Neanne return IRQ_HANDLED; 306c12ac5fcSJerome Neanne } 307c12ac5fcSJerome Neanne 308c12ac5fcSJerome Neanne static int tps65219_get_rdev_by_name(const char *regulator_name, 309c12ac5fcSJerome Neanne struct regulator_dev *rdevtbl[7], 310c12ac5fcSJerome Neanne struct regulator_dev *dev) 311c12ac5fcSJerome Neanne { 312c12ac5fcSJerome Neanne int i; 313c12ac5fcSJerome Neanne 314c12ac5fcSJerome Neanne for (i = 0; i < ARRAY_SIZE(regulators); i++) { 315c12ac5fcSJerome Neanne if (strcmp(regulator_name, regulators[i].name) == 0) { 316c12ac5fcSJerome Neanne dev = rdevtbl[i]; 317c12ac5fcSJerome Neanne return 0; 318c12ac5fcSJerome Neanne } 319c12ac5fcSJerome Neanne } 320c12ac5fcSJerome Neanne return -EINVAL; 321c12ac5fcSJerome Neanne } 322c12ac5fcSJerome Neanne 323c12ac5fcSJerome Neanne static int tps65219_regulator_probe(struct platform_device *pdev) 324c12ac5fcSJerome Neanne { 325c12ac5fcSJerome Neanne struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); 326c12ac5fcSJerome Neanne struct regulator_dev *rdev; 327c12ac5fcSJerome Neanne struct regulator_config config = { }; 328c12ac5fcSJerome Neanne int i; 329c12ac5fcSJerome Neanne int error; 330c12ac5fcSJerome Neanne int irq; 331c12ac5fcSJerome Neanne struct tps65219_regulator_irq_data *irq_data; 332c12ac5fcSJerome Neanne struct tps65219_regulator_irq_type *irq_type; 333c12ac5fcSJerome Neanne struct regulator_dev *rdevtbl[7]; 334c12ac5fcSJerome Neanne 335c12ac5fcSJerome Neanne config.dev = tps->dev; 336c12ac5fcSJerome Neanne config.driver_data = tps; 337c12ac5fcSJerome Neanne config.regmap = tps->regmap; 338c12ac5fcSJerome Neanne 339c12ac5fcSJerome Neanne for (i = 0; i < ARRAY_SIZE(regulators); i++) { 340c12ac5fcSJerome Neanne dev_dbg(tps->dev, "%s regul i= %d START", __func__, i); 341c12ac5fcSJerome Neanne rdev = devm_regulator_register(&pdev->dev, ®ulators[i], 342c12ac5fcSJerome Neanne &config); 343c12ac5fcSJerome Neanne if (IS_ERR(rdev)) { 344c12ac5fcSJerome Neanne dev_err(tps->dev, "failed to register %s regulator\n", 345cfbe9dfdSWadim Egorov regulators[i].name); 346c12ac5fcSJerome Neanne return PTR_ERR(rdev); 347c12ac5fcSJerome Neanne } 348c12ac5fcSJerome Neanne rdevtbl[i] = rdev; 349c12ac5fcSJerome Neanne dev_dbg(tps->dev, "%s regul i= %d COMPLETED", __func__, i); 350c12ac5fcSJerome Neanne } 351c12ac5fcSJerome Neanne 352c12ac5fcSJerome Neanne irq_data = devm_kmalloc(tps->dev, 353c12ac5fcSJerome Neanne ARRAY_SIZE(tps65219_regulator_irq_types) * 354c12ac5fcSJerome Neanne sizeof(struct tps65219_regulator_irq_data), 355c12ac5fcSJerome Neanne GFP_KERNEL); 356c12ac5fcSJerome Neanne if (!irq_data) 357c12ac5fcSJerome Neanne return -ENOMEM; 358c12ac5fcSJerome Neanne 359c12ac5fcSJerome Neanne for (i = 0; i < ARRAY_SIZE(tps65219_regulator_irq_types); ++i) { 360c12ac5fcSJerome Neanne irq_type = &tps65219_regulator_irq_types[i]; 361c12ac5fcSJerome Neanne 362c12ac5fcSJerome Neanne irq = platform_get_irq_byname(pdev, irq_type->irq_name); 363d46f7372SYang Li if (irq < 0) 364c12ac5fcSJerome Neanne return -EINVAL; 365d46f7372SYang Li 366c12ac5fcSJerome Neanne irq_data[i].dev = tps->dev; 367c12ac5fcSJerome Neanne irq_data[i].type = irq_type; 368c12ac5fcSJerome Neanne 369c12ac5fcSJerome Neanne tps65219_get_rdev_by_name(irq_type->regulator_name, rdevtbl, rdev); 370*2bbba115SRandy Dunlap if (IS_ERR(rdev)) { 371c12ac5fcSJerome Neanne dev_err(tps->dev, "Failed to get rdev for %s\n", 372c12ac5fcSJerome Neanne irq_type->regulator_name); 373c12ac5fcSJerome Neanne return -EINVAL; 374c12ac5fcSJerome Neanne } 375c12ac5fcSJerome Neanne irq_data[i].rdev = rdev; 376c12ac5fcSJerome Neanne 377c12ac5fcSJerome Neanne error = devm_request_threaded_irq(tps->dev, irq, NULL, 378c12ac5fcSJerome Neanne tps65219_regulator_irq_handler, 379c12ac5fcSJerome Neanne IRQF_ONESHOT, 380c12ac5fcSJerome Neanne irq_type->irq_name, 381c12ac5fcSJerome Neanne &irq_data[i]); 382c12ac5fcSJerome Neanne if (error) { 383c12ac5fcSJerome Neanne dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", 384c12ac5fcSJerome Neanne irq_type->irq_name, irq, error); 385c12ac5fcSJerome Neanne return error; 386c12ac5fcSJerome Neanne } 387c12ac5fcSJerome Neanne } 388c12ac5fcSJerome Neanne 389c12ac5fcSJerome Neanne return 0; 390c12ac5fcSJerome Neanne } 391c12ac5fcSJerome Neanne 392c12ac5fcSJerome Neanne static const struct platform_device_id tps65219_regulator_id_table[] = { 393c12ac5fcSJerome Neanne { "tps65219-regulator", }, 394c12ac5fcSJerome Neanne { /* sentinel */ } 395c12ac5fcSJerome Neanne }; 396c12ac5fcSJerome Neanne MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table); 397c12ac5fcSJerome Neanne 398c12ac5fcSJerome Neanne static struct platform_driver tps65219_regulator_driver = { 399c12ac5fcSJerome Neanne .driver = { 400c12ac5fcSJerome Neanne .name = "tps65219-pmic", 401c12ac5fcSJerome Neanne }, 402c12ac5fcSJerome Neanne .probe = tps65219_regulator_probe, 403c12ac5fcSJerome Neanne .id_table = tps65219_regulator_id_table, 404c12ac5fcSJerome Neanne }; 405c12ac5fcSJerome Neanne 406c12ac5fcSJerome Neanne module_platform_driver(tps65219_regulator_driver); 407c12ac5fcSJerome Neanne 408c12ac5fcSJerome Neanne MODULE_AUTHOR("Jerome Neanne <j-neanne@baylibre.com>"); 409c12ac5fcSJerome Neanne MODULE_DESCRIPTION("TPS65219 voltage regulator driver"); 410c12ac5fcSJerome Neanne MODULE_ALIAS("platform:tps65219-pmic"); 411c12ac5fcSJerome Neanne MODULE_LICENSE("GPL"); 412