#include <linux/bitops.h>
#include <linux/bitfield.h>
#include <linux/util_macros.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
#include <linux/mod_devicetable.h>
#define RTQ2208_REG_GLOBAL_INT1 0x12
#define RTQ2208_REG_FLT_RECORDBUCK_CB 0x18
#define RTQ2208_REG_GLOBAL_INT1_MASK 0x1D
#define RTQ2208_REG_FLT_MASKBUCK_CB 0x1F
#define RTQ2208_REG_BUCK_C_CFG0 0x32
#define RTQ2208_REG_BUCK_B_CFG0 0x42
#define RTQ2208_REG_BUCK_A_CFG0 0x52
#define RTQ2208_REG_BUCK_D_CFG0 0x62
#define RTQ2208_REG_BUCK_G_CFG0 0x72
#define RTQ2208_REG_BUCK_F_CFG0 0x82
#define RTQ2208_REG_BUCK_E_CFG0 0x92
#define RTQ2208_REG_BUCK_H_CFG0 0xA2
#define RTQ2208_REG_LDO1_CFG 0xB1
#define RTQ2208_REG_LDO2_CFG 0xC1
#define RTQ2208_REG_LDO_DVS_CTRL 0xD0
#define RTQ2208_REG_HIDDEN_BUCKPH 0x55
#define RTQ2208_REG_HIDDEN_LDOCFG0 0x8F
#define RTQ2208_REG_HIDDEN_LDOCFG1 0x96
#define RTQ2208_REG_HIDDEN0 0xFE
#define RTQ2208_REG_HIDDEN1 0xFF
#define RTQ2208_BUCK_NR_MTP_SEL_MASK GENMASK(7, 0)
#define RTQ2208_BUCK_EN_NR_MTP_SEL0_MASK BIT(0)
#define RTQ2208_BUCK_EN_NR_MTP_SEL1_MASK BIT(1)
#define RTQ2208_BUCK_RSPUP_MASK GENMASK(6, 4)
#define RTQ2208_BUCK_RSPDN_MASK GENMASK(2, 0)
#define RTQ2208_BUCK_NRMODE_MASK BIT(5)
#define RTQ2208_BUCK_STRMODE_MASK BIT(5)
#define RTQ2208_BUCK_EN_STR_MASK BIT(0)
#define RTQ2208_LDO_EN_STR_MASK BIT(7)
#define RTQ2208_EN_DIS_MASK BIT(0)
#define RTQ2208_BUCK_RAMP_SEL_MASK GENMASK(2, 0)
#define RTQ2208_HD_INT_MASK BIT(0)
#define RTQ2208_LDO1_DISCHG_EN_MASK BIT(4)
#define RTQ2208_LDO1_VOSEL_SD_MASK BIT(5)
#define RTQ2208_LDO2_DISCHG_EN_MASK BIT(6)
#define RTQ2208_LDO2_VOSEL_SD_MASK BIT(7)
#define RTQ2208_MASK_BUCKPH_GROUP1 GENMASK(6, 4)
#define RTQ2208_MASK_BUCKPH_GROUP2 GENMASK(2, 0)
#define RTQ2208_MASK_LDO2_OPT0 BIT(7)
#define RTQ2208_MASK_LDO2_OPT1 BIT(7)
#define RTQ2208_MASK_LDO1_FIXED BIT(6)
#define RTQ2208_VOUT_MAXNUM 256
#define RTQ2208_BUCK_NUM_IRQ_REGS 5
#define RTQ2208_STS_NUM_IRQ_REGS 2
#define RTQ2208_RAMP_VALUE_MIN_uV 500
#define RTQ2208_RAMP_VALUE_MAX_uV 16000
#define RTQ2208_BUCK_MASK(uv_irq, ov_irq) (1 << ((uv_irq) % 8) | 1 << ((ov_irq) % 8))
enum {
RTQ2208_BUCK_B = 0,
RTQ2208_BUCK_C,
RTQ2208_BUCK_D,
RTQ2208_BUCK_A,
RTQ2208_BUCK_F,
RTQ2208_BUCK_G,
RTQ2208_BUCK_H,
RTQ2208_BUCK_E,
RTQ2208_LDO2,
RTQ2208_LDO1,
RTQ2208_LDO_MAX,
};
enum {
RTQ2208_AUTO_MODE = 0,
RTQ2208_FCCM,
};
struct rtq2208_regulator_desc {
struct regulator_desc desc;
unsigned int mtp_sel_reg;
unsigned int mtp_sel_mask;
unsigned int mode_reg;
unsigned int mode_mask;
unsigned int suspend_config_reg;
unsigned int suspend_enable_mask;
unsigned int suspend_mode_mask;
};
struct rtq2208_rdev_map {
struct regulator_dev *rdev[RTQ2208_LDO_MAX];
struct regmap *regmap;
struct device *dev;
};
static int rtq2208_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
const struct rtq2208_regulator_desc *rdesc =
(const struct rtq2208_regulator_desc *)rdev->desc;
unsigned int val, shift;
switch (mode) {
case REGULATOR_MODE_NORMAL:
val = RTQ2208_AUTO_MODE;
break;
case REGULATOR_MODE_FAST:
val = RTQ2208_FCCM;
break;
default:
return -EINVAL;
}
shift = ffs(rdesc->mode_mask) - 1;
return regmap_update_bits(rdev->regmap, rdesc->mode_reg,
rdesc->mode_mask, val << shift);
}
static unsigned int rtq2208_get_mode(struct regulator_dev *rdev)
{
const struct rtq2208_regulator_desc *rdesc =
(const struct rtq2208_regulator_desc *)rdev->desc;
unsigned int mode_val;
int ret;
ret = regmap_read(rdev->regmap, rdesc->mode_reg, &mode_val);
if (ret)
return REGULATOR_MODE_INVALID;
return (mode_val & rdesc->mode_mask) ? REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL;
}
static int rtq2208_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
const struct regulator_desc *desc = rdev->desc;
unsigned int sel = 0, val;
ramp_delay = max(ramp_delay, RTQ2208_RAMP_VALUE_MIN_uV);
ramp_delay = min(ramp_delay, RTQ2208_RAMP_VALUE_MAX_uV);
ramp_delay /= RTQ2208_RAMP_VALUE_MIN_uV;
sel = fls(ramp_delay) - 1;
sel = RTQ2208_BUCK_RAMP_SEL_MASK - sel;
val = FIELD_PREP(RTQ2208_BUCK_RSPUP_MASK, sel) | FIELD_PREP(RTQ2208_BUCK_RSPDN_MASK, sel);
return regmap_update_bits(rdev->regmap, desc->ramp_reg,
RTQ2208_BUCK_RSPUP_MASK | RTQ2208_BUCK_RSPDN_MASK, val);
}
static int rtq2208_set_suspend_enable(struct regulator_dev *rdev)
{
const struct rtq2208_regulator_desc *rdesc =
(const struct rtq2208_regulator_desc *)rdev->desc;
return regmap_set_bits(rdev->regmap, rdesc->suspend_config_reg, rdesc->suspend_enable_mask);
}
static int rtq2208_set_suspend_disable(struct regulator_dev *rdev)
{
const struct rtq2208_regulator_desc *rdesc =
(const struct rtq2208_regulator_desc *)rdev->desc;
return regmap_update_bits(rdev->regmap, rdesc->suspend_config_reg, rdesc->suspend_enable_mask, 0);
}
static int rtq2208_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode)
{
const struct rtq2208_regulator_desc *rdesc =
(const struct rtq2208_regulator_desc *)rdev->desc;
unsigned int val, shift;
switch (mode) {
case REGULATOR_MODE_NORMAL:
val = RTQ2208_AUTO_MODE;
break;
case REGULATOR_MODE_FAST:
val = RTQ2208_FCCM;
break;
default:
return -EINVAL;
}
shift = ffs(rdesc->suspend_mode_mask) - 1;
return regmap_update_bits(rdev->regmap, rdesc->suspend_config_reg,
rdesc->suspend_mode_mask, val << shift);
}
static const struct regulator_ops rtq2208_regulator_buck_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_mode = rtq2208_set_mode,
.get_mode = rtq2208_get_mode,
.set_ramp_delay = rtq2208_set_ramp_delay,
.set_active_discharge = regulator_set_active_discharge_regmap,
.set_suspend_enable = rtq2208_set_suspend_enable,
.set_suspend_disable = rtq2208_set_suspend_disable,
.set_suspend_mode = rtq2208_set_suspend_mode,
};
static const struct regulator_ops rtq2208_regulator_ldo_fix_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_active_discharge = regulator_set_active_discharge_regmap,
.set_suspend_enable = rtq2208_set_suspend_enable,
.set_suspend_disable = rtq2208_set_suspend_disable,
};
static const struct regulator_ops rtq2208_regulator_ldo_adj_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_active_discharge = regulator_set_active_discharge_regmap,
.set_suspend_enable = rtq2208_set_suspend_enable,
.set_suspend_disable = rtq2208_set_suspend_disable,
};
static const unsigned int rtq2208_ldo_volt_table[] = {
1800000,
3300000,
};
static unsigned int rtq2208_of_map_mode(unsigned int mode)
{
switch (mode) {
case RTQ2208_AUTO_MODE:
return REGULATOR_MODE_NORMAL;
case RTQ2208_FCCM:
return REGULATOR_MODE_FAST;
default:
return REGULATOR_MODE_INVALID;
}
}
static int rtq2208_init_irq_mask(struct rtq2208_rdev_map *rdev_map, unsigned int *buck_masks)
{
unsigned char buck_clr_masks[5] = {0x33, 0x33, 0x33, 0x33, 0x33},
sts_clr_masks[2] = {0xE7, 0xF7}, sts_masks[2] = {0xE6, 0xF6};
int ret;
ret = regmap_bulk_write(rdev_map->regmap, RTQ2208_REG_FLT_RECORDBUCK_CB, buck_clr_masks, 5);
if (ret)
return dev_err_probe(rdev_map->dev, ret, "Failed to clr buck irqs\n");
ret = regmap_bulk_write(rdev_map->regmap, RTQ2208_REG_GLOBAL_INT1, sts_clr_masks, 2);
if (ret)
return dev_err_probe(rdev_map->dev, ret, "Failed to clr general irqs\n");
ret = regmap_bulk_write(rdev_map->regmap, RTQ2208_REG_FLT_MASKBUCK_CB, buck_masks, 5);
if (ret)
return dev_err_probe(rdev_map->dev, ret, "Failed to unmask buck irqs\n");
return regmap_bulk_write(rdev_map->regmap, RTQ2208_REG_GLOBAL_INT1_MASK, sts_masks, 2);
}
static irqreturn_t rtq2208_irq_handler(int irqno, void *devid)
{
unsigned char buck_flags[RTQ2208_BUCK_NUM_IRQ_REGS], sts_flags[RTQ2208_STS_NUM_IRQ_REGS];
int ret = 0, i, uv_bit, ov_bit;
struct rtq2208_rdev_map *rdev_map = devid;
struct regulator_dev *rdev;
if (!rdev_map)
return IRQ_NONE;
ret = regmap_bulk_read(rdev_map->regmap, RTQ2208_REG_FLT_RECORDBUCK_CB,
buck_flags, ARRAY_SIZE(buck_flags));
if (ret)
return IRQ_NONE;
ret = regmap_bulk_read(rdev_map->regmap, RTQ2208_REG_GLOBAL_INT1,
sts_flags, ARRAY_SIZE(sts_flags));
if (ret)
return IRQ_NONE;
ret = regmap_bulk_write(rdev_map->regmap, RTQ2208_REG_FLT_RECORDBUCK_CB,
buck_flags, ARRAY_SIZE(buck_flags));
if (ret)
return IRQ_NONE;
ret = regmap_bulk_write(rdev_map->regmap, RTQ2208_REG_GLOBAL_INT1,
sts_flags, ARRAY_SIZE(sts_flags));
if (ret)
return IRQ_NONE;
for (i = 0; i < RTQ2208_LDO_MAX; i++) {
if (!rdev_map->rdev[i])
continue;
rdev = rdev_map->rdev[i];
uv_bit = (i & 1) ? 4 : 0;
if (buck_flags[i >> 1] & (1 << uv_bit))
regulator_notifier_call_chain(rdev,
REGULATOR_EVENT_UNDER_VOLTAGE, NULL);
ov_bit = uv_bit + 1;
if (buck_flags[i >> 1] & (1 << ov_bit))
regulator_notifier_call_chain(rdev,
REGULATOR_EVENT_REGULATION_OUT, NULL);
if (sts_flags[1] & RTQ2208_HD_INT_MASK)
regulator_notifier_call_chain(rdev,
REGULATOR_EVENT_OVER_TEMP, NULL);
}
return IRQ_HANDLED;
}
#define BUCK_INFO(_name, _id) \
{ \
.name = _name, \
.base = RTQ2208_REG_BUCK_##_id##_CFG0, \
.enable_reg = BUCK_RG_SHIFT(RTQ2208_REG_BUCK_##_id##_CFG0, 2), \
.dis_reg = RTQ2208_REG_BUCK_##_id##_CFG0, \
}
#define LDO_INFO(_name, _id) \
{ \
.name = _name, \
.base = RTQ2208_REG_LDO##_id##_CFG, \
.enable_reg = RTQ2208_REG_LDO##_id##_CFG, \
.dis_mask = RTQ2208_LDO##_id##_DISCHG_EN_MASK, \
.dis_on = RTQ2208_LDO##_id##_DISCHG_EN_MASK, \
.vsel_mask = RTQ2208_LDO##_id##_VOSEL_SD_MASK, \
}
#define BUCK_RG_SHIFT(_base, _shift) (_base + _shift)
#define VSEL_SHIFT(_sel) (_sel ? 3 : 1)
#define MTP_SEL_MASK(_sel) RTQ2208_BUCK_EN_NR_MTP_SEL##_sel##_MASK
static const struct linear_range rtq2208_vout_range[] = {
REGULATOR_LINEAR_RANGE(400000, 0, 180, 5000),
REGULATOR_LINEAR_RANGE(1310000, 181, 255, 10000),
};
static void rtq2208_init_regulator_desc(struct rtq2208_regulator_desc *rdesc, int mtp_sel, int idx,
unsigned int ldo1_fixed, unsigned int ldo2_fixed)
{
struct regulator_desc *desc;
unsigned int fixed_uV;
static const struct {
char *name;
int base;
int enable_reg;
int dis_reg;
int dis_mask;
int dis_on;
int vsel_mask;
} regulator_info[] = {
BUCK_INFO("buck-b", B),
BUCK_INFO("buck-c", C),
BUCK_INFO("buck-d", D),
BUCK_INFO("buck-a", A),
BUCK_INFO("buck-f", F),
BUCK_INFO("buck-g", G),
BUCK_INFO("buck-h", H),
BUCK_INFO("buck-e", E),
LDO_INFO("ldo2", 2),
LDO_INFO("ldo1", 1),
}, *curr_info;
curr_info = regulator_info + idx;
desc = &rdesc->desc;
desc->name = curr_info->name;
desc->of_match = of_match_ptr(curr_info->name);
desc->regulators_node = of_match_ptr("regulators");
desc->id = idx;
desc->owner = THIS_MODULE;
desc->type = REGULATOR_VOLTAGE;
desc->enable_mask = mtp_sel ? MTP_SEL_MASK(1) : MTP_SEL_MASK(0);
desc->enable_reg = curr_info->enable_reg;
desc->active_discharge_off = 0;
rdesc->mode_mask = RTQ2208_BUCK_NRMODE_MASK;
switch (idx) {
case RTQ2208_BUCK_B ... RTQ2208_BUCK_E:
desc->ops = &rtq2208_regulator_buck_ops;
desc->vsel_reg = curr_info->base + VSEL_SHIFT(mtp_sel);
desc->vsel_mask = RTQ2208_BUCK_NR_MTP_SEL_MASK;
desc->n_voltages = RTQ2208_VOUT_MAXNUM;
desc->linear_ranges = rtq2208_vout_range;
desc->n_linear_ranges = ARRAY_SIZE(rtq2208_vout_range);
desc->ramp_reg = BUCK_RG_SHIFT(curr_info->base, 5);
desc->of_map_mode = rtq2208_of_map_mode;
desc->active_discharge_reg = curr_info->dis_reg;
desc->active_discharge_on = RTQ2208_EN_DIS_MASK;
desc->active_discharge_mask = RTQ2208_EN_DIS_MASK;
rdesc->mode_reg = BUCK_RG_SHIFT(curr_info->base, 2);
rdesc->suspend_config_reg = BUCK_RG_SHIFT(curr_info->base, 4);
rdesc->suspend_enable_mask = RTQ2208_BUCK_EN_STR_MASK;
rdesc->suspend_mode_mask = RTQ2208_BUCK_STRMODE_MASK;
break;
default:
fixed_uV = idx == RTQ2208_LDO2 ? ldo2_fixed : ldo1_fixed;
if (fixed_uV) {
desc->n_voltages = 1;
desc->fixed_uV = fixed_uV;
desc->ops = &rtq2208_regulator_ldo_fix_ops;
} else {
desc->n_voltages = ARRAY_SIZE(rtq2208_ldo_volt_table);
desc->volt_table = rtq2208_ldo_volt_table;
desc->ops = &rtq2208_regulator_ldo_adj_ops;
}
desc->active_discharge_reg = RTQ2208_REG_LDO_DVS_CTRL;
desc->active_discharge_on = curr_info->dis_on;
desc->active_discharge_mask = curr_info->dis_mask;
desc->vsel_reg = RTQ2208_REG_LDO_DVS_CTRL;
desc->vsel_mask = curr_info->vsel_mask;
rdesc->suspend_config_reg = curr_info->base;
rdesc->suspend_enable_mask = RTQ2208_LDO_EN_STR_MASK;
break;
}
}
static int rtq2208_parse_regulator_dt_data(int n_regulator, const unsigned int *regulator_idx_table,
struct rtq2208_regulator_desc *rdesc[RTQ2208_LDO_MAX], struct device *dev,
unsigned int ldo1_fixed, unsigned int ldo2_fixed)
{
int mtp_sel, i, idx;
mtp_sel = device_property_read_bool(dev, "richtek,mtp-sel-high");
for (i = 0; i < n_regulator; i++) {
idx = regulator_idx_table[i];
rdesc[i] = devm_kcalloc(dev, 1, sizeof(*rdesc[0]), GFP_KERNEL);
if (!rdesc[i])
return -ENOMEM;
rtq2208_init_regulator_desc(rdesc[i], mtp_sel, idx, ldo1_fixed, ldo2_fixed);
}
return 0;
}
static int rtq2208_regulator_check(struct device *dev, int *num, int *regulator_idx_table,
unsigned int *buck_masks, unsigned int *ldo1_fixed_uV,
unsigned int *ldo2_fixed_uV)
{
struct regmap *regmap = dev_get_regmap(dev, NULL);
bool rtq2208_used_table[RTQ2208_LDO_MAX] = {0};
u8 entry_key[] = { 0x69, 0x01 };
unsigned int buck_phase, ldo_cfg0, ldo_cfg1;
int i, ret;
u8 mask;
ret = regmap_raw_write(regmap, RTQ2208_REG_HIDDEN0, entry_key, ARRAY_SIZE(entry_key));
if (ret)
return dev_err_probe(dev, ret, "Failed to enter hidden page\n");
ret = regmap_read(regmap, RTQ2208_REG_HIDDEN_BUCKPH, &buck_phase);
if (ret)
return dev_err_probe(dev, ret, "Failed to read buck phase configuration\n");
ret = regmap_read(regmap, RTQ2208_REG_HIDDEN_LDOCFG0, &ldo_cfg0);
if (ret)
return dev_err_probe(dev, ret, "Failed to read ldo cfg0\n");
ret = regmap_read(regmap, RTQ2208_REG_HIDDEN_LDOCFG1, &ldo_cfg1);
if (ret)
return dev_err_probe(dev, ret, "Failed to read ldo cfg1\n");
ret = regmap_write(regmap, RTQ2208_REG_HIDDEN1, 0x00);
if (ret)
return dev_err_probe(dev, ret, "Failed to exit hidden page\n");
dev_info(dev, "BUCK Phase 0x%x\n", buck_phase);
switch (FIELD_GET(RTQ2208_MASK_BUCKPH_GROUP1, buck_phase)) {
case 2:
rtq2208_used_table[RTQ2208_BUCK_D] = true;
fallthrough;
case 1:
rtq2208_used_table[RTQ2208_BUCK_A] = true;
fallthrough;
case 0:
case 3:
rtq2208_used_table[RTQ2208_BUCK_B] = true;
fallthrough;
default:
rtq2208_used_table[RTQ2208_BUCK_C] = true;
break;
}
switch (FIELD_GET(RTQ2208_MASK_BUCKPH_GROUP2, buck_phase)) {
case 2:
rtq2208_used_table[RTQ2208_BUCK_H] = true;
fallthrough;
case 1:
rtq2208_used_table[RTQ2208_BUCK_E] = true;
fallthrough;
case 0:
case 3:
rtq2208_used_table[RTQ2208_BUCK_F] = true;
fallthrough;
default:
rtq2208_used_table[RTQ2208_BUCK_G] = true;
break;
}
*ldo1_fixed_uV = FIELD_GET(RTQ2208_MASK_LDO1_FIXED, ldo_cfg1) ? 1200000 : 0;
if (!FIELD_GET(RTQ2208_MASK_LDO2_OPT0, ldo_cfg0) &&
!FIELD_GET(RTQ2208_MASK_LDO2_OPT1, ldo_cfg1))
*ldo2_fixed_uV = 0;
else if (FIELD_GET(RTQ2208_MASK_LDO2_OPT1, ldo_cfg1))
*ldo2_fixed_uV = 900000;
else
*ldo2_fixed_uV = 1200000;
rtq2208_used_table[RTQ2208_LDO1] = rtq2208_used_table[RTQ2208_LDO2] = true;
for (i = 0; i < RTQ2208_LDO_MAX; i++) {
if (!rtq2208_used_table[i])
continue;
regulator_idx_table[(*num)++] = i;
mask = RTQ2208_BUCK_MASK(4 * i, 4 * i + 1);
buck_masks[i >> 1] &= ~mask;
}
return 0;
}
static const struct regmap_config rtq2208_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 0xFF,
};
static int rtq2208_probe(struct i2c_client *i2c)
{
struct device *dev = &i2c->dev;
struct regmap *regmap;
struct rtq2208_regulator_desc *rdesc[RTQ2208_LDO_MAX];
struct regulator_dev *rdev;
struct regulator_config cfg = {};
struct rtq2208_rdev_map *rdev_map;
int i, ret = 0, idx, n_regulator = 0;
unsigned int regulator_idx_table[RTQ2208_LDO_MAX],
buck_masks[RTQ2208_BUCK_NUM_IRQ_REGS] = {0x33, 0x33, 0x33, 0x33, 0x33};
unsigned int ldo1_fixed_uV, ldo2_fixed_uV;
rdev_map = devm_kzalloc(dev, sizeof(struct rtq2208_rdev_map), GFP_KERNEL);
if (!rdev_map)
return -ENOMEM;
regmap = devm_regmap_init_i2c(i2c, &rtq2208_regmap_config);
if (IS_ERR(regmap))
return dev_err_probe(dev, PTR_ERR(regmap), "Failed to allocate regmap\n");
ret = rtq2208_regulator_check(dev, &n_regulator, regulator_idx_table, buck_masks,
&ldo1_fixed_uV, &ldo2_fixed_uV);
if (ret)
return dev_err_probe(dev, ret, "Failed to check used regulators\n");
rdev_map->regmap = regmap;
rdev_map->dev = dev;
cfg.dev = dev;
ret = rtq2208_parse_regulator_dt_data(n_regulator, regulator_idx_table, rdesc, dev,
ldo1_fixed_uV, ldo2_fixed_uV);
if (ret)
return ret;
for (i = 0; i < n_regulator; i++) {
idx = regulator_idx_table[i];
rdev = devm_regulator_register(dev, &rdesc[i]->desc, &cfg);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
rdev_map->rdev[idx] = rdev;
}
ret = rtq2208_init_irq_mask(rdev_map, buck_masks);
if (ret)
return ret;
return devm_request_threaded_irq(dev, i2c->irq, NULL, rtq2208_irq_handler,
IRQF_ONESHOT, dev_name(dev), rdev_map);
}
static const struct of_device_id rtq2208_device_tables[] = {
{ .compatible = "richtek,rtq2208" },
{}
};
MODULE_DEVICE_TABLE(of, rtq2208_device_tables);
static struct i2c_driver rtq2208_driver = {
.driver = {
.name = "rtq2208",
.of_match_table = rtq2208_device_tables,
},
.probe = rtq2208_probe,
};
module_i2c_driver(rtq2208_driver);
MODULE_AUTHOR("Alina Yu <alina_yu@richtek.com>");
MODULE_DESCRIPTION("Richtek RTQ2208 Regulator Driver");
MODULE_LICENSE("GPL");
