Quelle  tps65219-regulator.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
//
// 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>"
//

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps65219.h>

struct tps65219_regulator_irq_type {
 const char *irq_name;
 const char *regulator_name;
 const char *event_name;
 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 },
 { "LDO3_UV", "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
 { "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 },
 { "LDO2_SCG", "LDO2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
 { "LDO2_OC", "LDO2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "LDO2_UV", "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
 { "BUCK3_SCG", "BUCK3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
 { "BUCK3_OC", "BUCK3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "BUCK3_NEG_OC", "BUCK3", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "BUCK3_UV", "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
 { "BUCK1_SCG", "BUCK1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
 { "BUCK1_OC", "BUCK1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "BUCK1_NEG_OC", "BUCK1", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "BUCK1_UV", "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
 { "BUCK2_SCG", "BUCK2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
 { "BUCK2_OC", "BUCK2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "BUCK2_NEG_OC", "BUCK2", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT },
 { "BUCK2_UV", "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
 { "BUCK1_RV", "BUCK1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
 { "BUCK2_RV", "BUCK2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
 { "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 },
 { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown",
  REGULATOR_EVENT_OVER_VOLTAGE_WARN },
 { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown",
  REGULATOR_EVENT_OVER_VOLTAGE_WARN },
 { "BUCK3_RV_SD", "BUCK3", "residual voltage on shutdown",
  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_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_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 },
 { "TIMEOUT", "", "", REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE },
};

struct tps65219_regulator_irq_data {
 struct device *dev;
 struct tps65219_regulator_irq_type *type;
 struct regulator_dev *rdev;
};

#define TPS65219_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \
      _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \
      _ct, _ncl, _bpm) \
 {        \
  .name   = _name,   \
  .of_match  = _of,    \
  .regulators_node = of_match_ptr("regulators"), \
  .supply_name  = _of,    \
  .id   = _id,    \
  .ops   = &(_ops),   \
  .n_voltages  = _n,    \
  .type   = _type,   \
  .owner   = THIS_MODULE,   \
  .vsel_reg  = _vr,    \
  .vsel_mask  = _vm,    \
  .csel_reg  = _cr,    \
  .csel_mask  = _cm,    \
  .curr_table  = _ct,    \
  .n_current_limits = _ncl,    \
  .enable_reg  = _er,    \
  .enable_mask  = _em,    \
  .volt_table  = NULL,    \
  .linear_ranges  = _lr,    \
  .n_linear_ranges = _nlr,    \
  .ramp_delay  = _delay,   \
  .fixed_uV  = _fuv,    \
  .bypass_reg  = _vr,    \
  .bypass_mask  = _bpm,    \
 }        \

static const struct linear_range bucks_ranges[] = {
 REGULATOR_LINEAR_RANGE(600000, 0x0, 0x1f, 25000),
 REGULATOR_LINEAR_RANGE(1400000, 0x20, 0x33, 100000),
 REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0),
};

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 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),
};

static int tps65219_set_mode(struct regulator_dev *dev, unsigned int mode)
{
 struct tps65219 *tps = rdev_get_drvdata(dev);

 switch (mode) {
 case REGULATOR_MODE_NORMAL:
  return regmap_set_bits(tps->regmap, TPS65219_REG_STBY_1_CONFIG,
           dev->desc->enable_mask);

 case REGULATOR_MODE_STANDBY:
  return regmap_clear_bits(tps->regmap,
      TPS65219_REG_STBY_1_CONFIG,
      dev->desc->enable_mask);
 default:
  return -EINVAL;
 }
}

static unsigned int tps65219_get_mode(struct regulator_dev *dev)
{
 struct tps65219 *tps = rdev_get_drvdata(dev);
 unsigned int rid = rdev_get_id(dev);
 int ret, value = 0;

 ret = regmap_read(tps->regmap, TPS65219_REG_STBY_1_CONFIG, &value);
 if (ret) {
  dev_dbg(tps->dev, "%s failed for regulator %s: %d ",
   __func__, dev->desc->name, ret);
  return ret;
 }
 value = (value & BIT(rid)) >> rid;
 if (value)
  return REGULATOR_MODE_STANDBY;
 else
  return REGULATOR_MODE_NORMAL;
}

/* Operations permitted on BUCK1/2/3 */
static const struct regulator_ops bucks_ops = {
 .is_enabled  = regulator_is_enabled_regmap,
 .enable   = regulator_enable_regmap,
 .disable  = regulator_disable_regmap,
 .set_mode  = tps65219_set_mode,
 .get_mode  = tps65219_get_mode,
 .get_voltage_sel = regulator_get_voltage_sel_regmap,
 .set_voltage_sel = regulator_set_voltage_sel_regmap,
 .list_voltage  = regulator_list_voltage_linear_range,
 .map_voltage  = regulator_map_voltage_linear_range,
 .set_voltage_time_sel = regulator_set_voltage_time_sel,

};

/* Operations permitted on LDO1/2 */
static const struct regulator_ops ldos_1_2_ops = {
 .is_enabled  = regulator_is_enabled_regmap,
 .enable   = regulator_enable_regmap,
 .disable  = regulator_disable_regmap,
 .set_mode  = tps65219_set_mode,
 .get_mode  = tps65219_get_mode,
 .get_voltage_sel = regulator_get_voltage_sel_regmap,
 .set_voltage_sel = regulator_set_voltage_sel_regmap,
 .list_voltage  = regulator_list_voltage_linear_range,
 .map_voltage  = regulator_map_voltage_linear_range,
 .set_bypass  = regulator_set_bypass_regmap,
 .get_bypass  = regulator_get_bypass_regmap,
};

/* Operations permitted on LDO3/4 */
static const struct regulator_ops ldos_3_4_ops = {
 .is_enabled  = regulator_is_enabled_regmap,
 .enable   = regulator_enable_regmap,
 .disable  = regulator_disable_regmap,
 .set_mode  = tps65219_set_mode,
 .get_mode  = tps65219_get_mode,
 .get_voltage_sel = regulator_get_voltage_sel_regmap,
 .set_voltage_sel = regulator_set_voltage_sel_regmap,
 .list_voltage  = regulator_list_voltage_linear_range,
 .map_voltage  = regulator_map_voltage_linear_range,
};

static const struct regulator_desc common_regs[] = {
 TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1,
      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, 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, 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, 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", 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, 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, tps65219_ldo_2_range,
      2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK),
 TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3,
      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, tps65219_ldos_3_4_range,
      3, 0, 0, NULL, 0, 0),
 TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4,
      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, tps65219_ldos_3_4_range,
      3, 0, 0, NULL, 0, 0),
};

static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data)
{
 struct tps65219_regulator_irq_data *irq_data = data;

 if (irq_data->type->event_name[0] == '\0') {
  /* This is the timeout interrupt no specific regulator */
  dev_err(irq_data->dev,
   "System was put in shutdown due to timeout during an active or standby transition.\n");
  return IRQ_HANDLED;
 }

 regulator_notifier_call_chain(irq_data->rdev,
          irq_data->type->event, NULL);

 dev_err(irq_data->dev, "Error IRQ trap %s for %s\n",
  irq_data->type->event_name, irq_data->type->regulator_name);
 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_regulator_irq_data *irq_data;
 struct tps65219_regulator_irq_type *irq_type;
 struct tps65219_chip_data *pmic;
 struct regulator_dev *rdev;
 int error;
 int irq;
 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 <  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",
          pmic->rdesc[i].name);
 }

 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 = devm_kmalloc(tps->dev, sizeof(*irq_data), GFP_KERNEL);
  if (!irq_data)
   return -ENOMEM;

  irq_data->dev = tps->dev;
  irq_data->type = irq_type;
  error = devm_request_threaded_irq(tps->dev, irq, NULL,
        tps65219_regulator_irq_handler,
        IRQF_ONESHOT,
        irq_type->irq_name,
        irq_data);
  if (error)
   return dev_err_probe(tps->dev, error,
          "Failed to request %s IRQ %d\n",
          irq_type->irq_name, irq);
 }

 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 = devm_kmalloc(tps->dev, sizeof(*irq_data), GFP_KERNEL);
  if (!irq_data)
   return -ENOMEM;

  irq_data->dev = tps->dev;
  irq_data->type = irq_type;
  error = devm_request_threaded_irq(tps->dev, irq, NULL,
        tps65219_regulator_irq_handler,
        IRQF_ONESHOT,
        irq_type->irq_name,
        irq_data);
  if (error)
   return dev_err_probe(tps->dev, error,
          "Failed to request %s IRQ %d\n",
          irq_type->irq_name, irq);
 }

 return 0;
}

static const struct platform_device_id tps65219_regulator_id_table[] = {
 { "tps65214-regulator", TPS65214 },
 { "tps65215-regulator", TPS65215 },
 { "tps65219-regulator", TPS65219 },
 { /* sentinel */ }
};
MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table);

static struct platform_driver tps65219_regulator_driver = {
 .driver = {
  .name = "tps65219-regulator",
  .probe_type = PROBE_PREFER_ASYNCHRONOUS,
 },
 .probe = tps65219_regulator_probe,
 .id_table = tps65219_regulator_id_table,
};

module_platform_driver(tps65219_regulator_driver);

MODULE_AUTHOR("Jerome Neanne ");
MODULE_DESCRIPTION("TPS65214/TPS65215/TPS65219 Regulator driver");
MODULE_LICENSE("GPL");