diff options
Diffstat (limited to 'drivers/regulator/act8865-regulator.c')
| -rw-r--r-- | drivers/regulator/act8865-regulator.c | 491 |
1 files changed, 334 insertions, 157 deletions
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c index 7652477e6a9d..b2a6ddc6f56d 100644 --- a/drivers/regulator/act8865-regulator.c +++ b/drivers/regulator/act8865-regulator.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * act8865-regulator.c - Voltage regulation for active-semi ACT88xx PMUs * * http://www.active-semi.com/products/power-management-units/act88xx/ * * Copyright (C) 2013 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> @@ -25,8 +16,10 @@ #include <linux/regulator/act8865.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/power_supply.h> #include <linux/regulator/of_regulator.h> #include <linux/regmap.h> +#include <dt-bindings/regulator/active-semi,8865-regulator.h> /* * ACT8600 Global Register Map. @@ -98,40 +91,55 @@ */ #define ACT8865_SYS_MODE 0x00 #define ACT8865_SYS_CTRL 0x01 +#define ACT8865_SYS_UNLK_REGS 0x0b #define ACT8865_DCDC1_VSET1 0x20 #define ACT8865_DCDC1_VSET2 0x21 #define ACT8865_DCDC1_CTRL 0x22 +#define ACT8865_DCDC1_SUS 0x24 #define ACT8865_DCDC2_VSET1 0x30 #define ACT8865_DCDC2_VSET2 0x31 #define ACT8865_DCDC2_CTRL 0x32 +#define ACT8865_DCDC2_SUS 0x34 #define ACT8865_DCDC3_VSET1 0x40 #define ACT8865_DCDC3_VSET2 0x41 #define ACT8865_DCDC3_CTRL 0x42 +#define ACT8865_DCDC3_SUS 0x44 #define ACT8865_LDO1_VSET 0x50 #define ACT8865_LDO1_CTRL 0x51 +#define ACT8865_LDO1_SUS 0x52 #define ACT8865_LDO2_VSET 0x54 #define ACT8865_LDO2_CTRL 0x55 +#define ACT8865_LDO2_SUS 0x56 #define ACT8865_LDO3_VSET 0x60 #define ACT8865_LDO3_CTRL 0x61 +#define ACT8865_LDO3_SUS 0x62 #define ACT8865_LDO4_VSET 0x64 #define ACT8865_LDO4_CTRL 0x65 +#define ACT8865_LDO4_SUS 0x66 #define ACT8865_MSTROFF 0x20 /* * Field Definitions. */ #define ACT8865_ENA 0x80 /* ON - [7] */ +#define ACT8865_DIS 0x40 /* DIS - [6] */ + #define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */ #define ACT8600_LDO10_ENA 0x40 /* ON - [6] */ #define ACT8600_SUDCDC_VSEL_MASK 0xFF /* SUDCDC VSET - [7:0] */ +#define ACT8600_APCH_CHG_ACIN BIT(7) +#define ACT8600_APCH_CHG_USB BIT(6) +#define ACT8600_APCH_CSTATE0 BIT(5) +#define ACT8600_APCH_CSTATE1 BIT(4) + /* * ACT8865 voltage number */ #define ACT8865_VOLTAGE_NUM 64 -#define ACT8600_SUDCDC_VOLTAGE_NUM 255 +#define ACT8600_SUDCDC_VOLTAGE_NUM 256 struct act8865 { struct regmap *regmap; @@ -212,42 +220,230 @@ static const struct regmap_config act8865_regmap_config = { .val_bits = 8, }; -static const struct regulator_linear_range act8865_voltage_ranges[] = { +static const struct linear_range act8865_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000), REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000), REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000), }; -static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = { +static const struct linear_range act8600_sudcdc_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0), REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000), REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000), - REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000), + REGULATOR_LINEAR_RANGE(19000000, 192, 247, 400000), + REGULATOR_LINEAR_RANGE(41400000, 248, 255, 0), }; -static struct regulator_ops act8865_ops = { +static int act8865_set_suspend_state(struct regulator_dev *rdev, bool enable) +{ + struct regmap *regmap = rdev->regmap; + int id = rdev->desc->id, reg, val; + + switch (id) { + case ACT8865_ID_DCDC1: + reg = ACT8865_DCDC1_SUS; + val = 0xa8; + break; + case ACT8865_ID_DCDC2: + reg = ACT8865_DCDC2_SUS; + val = 0xa8; + break; + case ACT8865_ID_DCDC3: + reg = ACT8865_DCDC3_SUS; + val = 0xa8; + break; + case ACT8865_ID_LDO1: + reg = ACT8865_LDO1_SUS; + val = 0xe8; + break; + case ACT8865_ID_LDO2: + reg = ACT8865_LDO2_SUS; + val = 0xe8; + break; + case ACT8865_ID_LDO3: + reg = ACT8865_LDO3_SUS; + val = 0xe8; + break; + case ACT8865_ID_LDO4: + reg = ACT8865_LDO4_SUS; + val = 0xe8; + break; + default: + return -EINVAL; + } + + if (enable) + val |= BIT(4); + + /* + * Ask the PMIC to enable/disable this output when entering hibernate + * mode. + */ + return regmap_write(regmap, reg, val); +} + +static int act8865_set_suspend_enable(struct regulator_dev *rdev) +{ + return act8865_set_suspend_state(rdev, true); +} + +static int act8865_set_suspend_disable(struct regulator_dev *rdev) +{ + return act8865_set_suspend_state(rdev, false); +} + +static unsigned int act8865_of_map_mode(unsigned int mode) +{ + switch (mode) { + case ACT8865_REGULATOR_MODE_FIXED: + return REGULATOR_MODE_FAST; + case ACT8865_REGULATOR_MODE_NORMAL: + return REGULATOR_MODE_NORMAL; + case ACT8865_REGULATOR_MODE_LOWPOWER: + return REGULATOR_MODE_STANDBY; + default: + return REGULATOR_MODE_INVALID; + } +} + +static int act8865_set_mode(struct regulator_dev *rdev, unsigned int mode) +{ + struct regmap *regmap = rdev->regmap; + int id = rdev_get_id(rdev); + int reg, val = 0; + + switch (id) { + case ACT8865_ID_DCDC1: + reg = ACT8865_DCDC1_CTRL; + break; + case ACT8865_ID_DCDC2: + reg = ACT8865_DCDC2_CTRL; + break; + case ACT8865_ID_DCDC3: + reg = ACT8865_DCDC3_CTRL; + break; + case ACT8865_ID_LDO1: + reg = ACT8865_LDO1_CTRL; + break; + case ACT8865_ID_LDO2: + reg = ACT8865_LDO2_CTRL; + break; + case ACT8865_ID_LDO3: + reg = ACT8865_LDO3_CTRL; + break; + case ACT8865_ID_LDO4: + reg = ACT8865_LDO4_CTRL; + break; + default: + return -EINVAL; + } + + switch (mode) { + case REGULATOR_MODE_FAST: + case REGULATOR_MODE_NORMAL: + if (id <= ACT8865_ID_DCDC3) + val = BIT(5); + break; + case REGULATOR_MODE_STANDBY: + if (id > ACT8865_ID_DCDC3) + val = BIT(5); + break; + default: + return -EINVAL; + } + + return regmap_update_bits(regmap, reg, BIT(5), val); +} + +static unsigned int act8865_get_mode(struct regulator_dev *rdev) +{ + struct regmap *regmap = rdev->regmap; + int id = rdev_get_id(rdev); + int reg, ret, val = 0; + + switch (id) { + case ACT8865_ID_DCDC1: + reg = ACT8865_DCDC1_CTRL; + break; + case ACT8865_ID_DCDC2: + reg = ACT8865_DCDC2_CTRL; + break; + case ACT8865_ID_DCDC3: + reg = ACT8865_DCDC3_CTRL; + break; + case ACT8865_ID_LDO1: + reg = ACT8865_LDO1_CTRL; + break; + case ACT8865_ID_LDO2: + reg = ACT8865_LDO2_CTRL; + break; + case ACT8865_ID_LDO3: + reg = ACT8865_LDO3_CTRL; + break; + case ACT8865_ID_LDO4: + reg = ACT8865_LDO4_CTRL; + break; + default: + return -EINVAL; + } + + ret = regmap_read(regmap, reg, &val); + if (ret) + return ret; + + if (id <= ACT8865_ID_DCDC3 && (val & BIT(5))) + return REGULATOR_MODE_FAST; + else if (id > ACT8865_ID_DCDC3 && !(val & BIT(5))) + return REGULATOR_MODE_NORMAL; + else + return REGULATOR_MODE_STANDBY; +} + +static const struct regulator_ops act8865_ops = { .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, + .set_mode = act8865_set_mode, + .get_mode = act8865_get_mode, .is_enabled = regulator_is_enabled_regmap, + .set_suspend_enable = act8865_set_suspend_enable, + .set_suspend_disable = act8865_set_suspend_disable, }; -static struct regulator_ops act8865_ldo_ops = { +static const struct regulator_ops act8865_ldo_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, + .set_mode = act8865_set_mode, + .get_mode = act8865_get_mode, .is_enabled = regulator_is_enabled_regmap, + .set_suspend_enable = act8865_set_suspend_enable, + .set_suspend_disable = act8865_set_suspend_disable, + .set_pull_down = regulator_set_pull_down_regmap, }; -#define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ +static const struct regulator_ops act8865_fixed_ldo_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, +}; + +#define ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, _ops) \ [_family##_ID_##_id] = { \ .name = _name, \ + .of_match = of_match_ptr(_name), \ + .of_map_mode = act8865_of_map_mode, \ + .regulators_node = of_match_ptr("regulators"), \ .supply_name = _supply, \ .id = _family##_ID_##_id, \ .type = REGULATOR_VOLTAGE, \ - .ops = &act8865_ops, \ + .ops = _ops, \ .n_voltages = ACT8865_VOLTAGE_NUM, \ .linear_ranges = act8865_voltage_ranges, \ .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ @@ -255,15 +451,25 @@ static struct regulator_ops act8865_ldo_ops = { .vsel_mask = ACT8865_VSEL_MASK, \ .enable_reg = _family##_##_id##_CTRL, \ .enable_mask = ACT8865_ENA, \ + .pull_down_reg = _family##_##_id##_CTRL, \ + .pull_down_mask = ACT8865_DIS, \ .owner = THIS_MODULE, \ } +#define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ + ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, &act8865_ops) + +#define ACT88xx_LDO(_name, _family, _id, _vsel_reg, _supply) \ + ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, &act8865_ldo_ops) + static const struct regulator_desc act8600_regulators[] = { ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET, "vp1"), ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET, "vp2"), ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET, "vp3"), { .name = "SUDCDC_REG4", + .of_match = of_match_ptr("SUDCDC_REG4"), + .regulators_node = of_match_ptr("regulators"), .id = ACT8600_ID_SUDCDC4, .ops = &act8865_ops, .type = REGULATOR_VOLTAGE, @@ -282,8 +488,10 @@ static const struct regulator_desc act8600_regulators[] = { ACT88xx_REG("LDO8", ACT8600, LDO8, VSET, "inl"), { .name = "LDO_REG9", + .of_match = of_match_ptr("LDO_REG9"), + .regulators_node = of_match_ptr("regulators"), .id = ACT8600_ID_LDO9, - .ops = &act8865_ldo_ops, + .ops = &act8865_fixed_ldo_ops, .type = REGULATOR_VOLTAGE, .n_voltages = 1, .fixed_uV = 3300000, @@ -293,8 +501,10 @@ static const struct regulator_desc act8600_regulators[] = { }, { .name = "LDO_REG10", + .of_match = of_match_ptr("LDO_REG10"), + .regulators_node = of_match_ptr("regulators"), .id = ACT8600_ID_LDO10, - .ops = &act8865_ldo_ops, + .ops = &act8865_fixed_ldo_ops, .type = REGULATOR_VOLTAGE, .n_voltages = 1, .fixed_uV = 1200000, @@ -323,20 +533,20 @@ static const struct regulator_desc act8865_regulators[] = { ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1, "vp1"), ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1, "vp2"), ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1, "vp3"), - ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), - ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), - ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), - ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), + ACT88xx_LDO("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), + ACT88xx_LDO("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), + ACT88xx_LDO("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), + ACT88xx_LDO("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), }; static const struct regulator_desc act8865_alt_regulators[] = { ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET2, "vp1"), ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET2, "vp2"), ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET2, "vp3"), - ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), - ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), - ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), - ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), + ACT88xx_LDO("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), + ACT88xx_LDO("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), + ACT88xx_LDO("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), + ACT88xx_LDO("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), }; #ifdef CONFIG_OF @@ -347,109 +557,6 @@ static const struct of_device_id act8865_dt_ids[] = { { } }; MODULE_DEVICE_TABLE(of, act8865_dt_ids); - -static struct of_regulator_match act8846_matches[] = { - [ACT8846_ID_REG1] = { .name = "REG1" }, - [ACT8846_ID_REG2] = { .name = "REG2" }, - [ACT8846_ID_REG3] = { .name = "REG3" }, - [ACT8846_ID_REG4] = { .name = "REG4" }, - [ACT8846_ID_REG5] = { .name = "REG5" }, - [ACT8846_ID_REG6] = { .name = "REG6" }, - [ACT8846_ID_REG7] = { .name = "REG7" }, - [ACT8846_ID_REG8] = { .name = "REG8" }, - [ACT8846_ID_REG9] = { .name = "REG9" }, - [ACT8846_ID_REG10] = { .name = "REG10" }, - [ACT8846_ID_REG11] = { .name = "REG11" }, - [ACT8846_ID_REG12] = { .name = "REG12" }, -}; - -static struct of_regulator_match act8865_matches[] = { - [ACT8865_ID_DCDC1] = { .name = "DCDC_REG1"}, - [ACT8865_ID_DCDC2] = { .name = "DCDC_REG2"}, - [ACT8865_ID_DCDC3] = { .name = "DCDC_REG3"}, - [ACT8865_ID_LDO1] = { .name = "LDO_REG1"}, - [ACT8865_ID_LDO2] = { .name = "LDO_REG2"}, - [ACT8865_ID_LDO3] = { .name = "LDO_REG3"}, - [ACT8865_ID_LDO4] = { .name = "LDO_REG4"}, -}; - -static struct of_regulator_match act8600_matches[] = { - [ACT8600_ID_DCDC1] = { .name = "DCDC_REG1"}, - [ACT8600_ID_DCDC2] = { .name = "DCDC_REG2"}, - [ACT8600_ID_DCDC3] = { .name = "DCDC_REG3"}, - [ACT8600_ID_SUDCDC4] = { .name = "SUDCDC_REG4"}, - [ACT8600_ID_LDO5] = { .name = "LDO_REG5"}, - [ACT8600_ID_LDO6] = { .name = "LDO_REG6"}, - [ACT8600_ID_LDO7] = { .name = "LDO_REG7"}, - [ACT8600_ID_LDO8] = { .name = "LDO_REG8"}, - [ACT8600_ID_LDO9] = { .name = "LDO_REG9"}, - [ACT8600_ID_LDO10] = { .name = "LDO_REG10"}, -}; - -static int act8865_pdata_from_dt(struct device *dev, - struct act8865_platform_data *pdata, - unsigned long type) -{ - int matched, i, num_matches; - struct device_node *np; - struct act8865_regulator_data *regulator; - struct of_regulator_match *matches; - - switch (type) { - case ACT8600: - matches = act8600_matches; - num_matches = ARRAY_SIZE(act8600_matches); - break; - case ACT8846: - matches = act8846_matches; - num_matches = ARRAY_SIZE(act8846_matches); - break; - case ACT8865: - matches = act8865_matches; - num_matches = ARRAY_SIZE(act8865_matches); - break; - default: - dev_err(dev, "invalid device id %lu\n", type); - return -EINVAL; - } - - np = of_get_child_by_name(dev->of_node, "regulators"); - if (!np) { - dev_err(dev, "missing 'regulators' subnode in DT\n"); - return -EINVAL; - } - - matched = of_regulator_match(dev, np, matches, num_matches); - of_node_put(np); - if (matched <= 0) - return matched; - - pdata->regulators = devm_kzalloc(dev, - sizeof(struct act8865_regulator_data) * - num_matches, GFP_KERNEL); - if (!pdata->regulators) - return -ENOMEM; - - pdata->num_regulators = num_matches; - regulator = pdata->regulators; - - for (i = 0; i < num_matches; i++) { - regulator->id = i; - regulator->name = matches[i].name; - regulator->init_data = matches[i].init_data; - regulator->of_node = matches[i].of_node; - regulator++; - } - - return 0; -} -#else -static inline int act8865_pdata_from_dt(struct device *dev, - struct act8865_platform_data *pdata, - unsigned long type) -{ - return 0; -} #endif static struct act8865_regulator_data *act8865_get_regulator_data( @@ -457,9 +564,6 @@ static struct act8865_regulator_data *act8865_get_regulator_data( { int i; - if (!pdata) - return NULL; - for (i = 0; i < pdata->num_regulators; i++) { if (pdata->regulators[i].id == id) return &pdata->regulators[i]; @@ -478,11 +582,80 @@ static void act8865_power_off(void) while (1); } -static int act8865_pmic_probe(struct i2c_client *client, - const struct i2c_device_id *i2c_id) +static int act8600_charger_get_status(struct regmap *map) { + unsigned int val; + int ret; + u8 state0, state1; + + ret = regmap_read(map, ACT8600_APCH_STAT, &val); + if (ret < 0) + return ret; + + state0 = val & ACT8600_APCH_CSTATE0; + state1 = val & ACT8600_APCH_CSTATE1; + + if (state0 && !state1) + return POWER_SUPPLY_STATUS_CHARGING; + if (!state0 && state1) + return POWER_SUPPLY_STATUS_NOT_CHARGING; + if (!state0 && !state1) + return POWER_SUPPLY_STATUS_DISCHARGING; + + return POWER_SUPPLY_STATUS_UNKNOWN; +} + +static int act8600_charger_get_property(struct power_supply *psy, + enum power_supply_property psp, union power_supply_propval *val) +{ + struct regmap *map = power_supply_get_drvdata(psy); + int ret; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + ret = act8600_charger_get_status(map); + if (ret < 0) + return ret; + + val->intval = ret; + break; + default: + return -EINVAL; + } + + return 0; +} + +static enum power_supply_property act8600_charger_properties[] = { + POWER_SUPPLY_PROP_STATUS, +}; + +static const struct power_supply_desc act8600_charger_desc = { + .name = "act8600-charger", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = act8600_charger_properties, + .num_properties = ARRAY_SIZE(act8600_charger_properties), + .get_property = act8600_charger_get_property, +}; + +static int act8600_charger_probe(struct device *dev, struct regmap *regmap) +{ + struct power_supply *charger; + struct power_supply_config cfg = { + .drv_data = regmap, + .fwnode = dev_fwnode(dev), + }; + + charger = devm_power_supply_register(dev, &act8600_charger_desc, &cfg); + + return PTR_ERR_OR_ZERO(charger); +} + +static int act8865_pmic_probe(struct i2c_client *client) +{ + const struct i2c_device_id *i2c_id = i2c_client_get_device_id(client); const struct regulator_desc *regulators; - struct act8865_platform_data pdata_of, *pdata; + struct act8865_platform_data *pdata = NULL; struct device *dev = &client->dev; int i, ret, num_regulators; struct act8865 *act8865; @@ -491,9 +664,7 @@ static int act8865_pmic_probe(struct i2c_client *client, int off_reg, off_mask; int voltage_select = 0; - pdata = dev_get_platdata(dev); - - if (dev->of_node && !pdata) { + if (dev->of_node) { const struct of_device_id *id; id = of_match_device(of_match_ptr(act8865_dt_ids), dev); @@ -502,11 +673,10 @@ static int act8865_pmic_probe(struct i2c_client *client, type = (unsigned long) id->data; - voltage_select = !!of_get_property(dev->of_node, - "active-semi,vsel-high", - NULL); + voltage_select = of_property_read_bool(dev->of_node, "active-semi,vsel-high"); } else { type = i2c_id->driver_data; + pdata = dev_get_platdata(dev); } switch (type) { @@ -541,14 +711,6 @@ static int act8865_pmic_probe(struct i2c_client *client, return -EINVAL; } - if (dev->of_node && !pdata) { - ret = act8865_pdata_from_dt(dev, &pdata_of, type); - if (ret < 0) - return ret; - - pdata = &pdata_of; - } - act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL); if (!act8865) return -ENOMEM; @@ -575,17 +737,20 @@ static int act8865_pmic_probe(struct i2c_client *client, for (i = 0; i < num_regulators; i++) { const struct regulator_desc *desc = ®ulators[i]; struct regulator_config config = { }; - struct act8865_regulator_data *rdata; struct regulator_dev *rdev; config.dev = dev; config.driver_data = act8865; config.regmap = act8865->regmap; - rdata = act8865_get_regulator_data(desc->id, pdata); - if (rdata) { - config.init_data = rdata->init_data; - config.of_node = rdata->of_node; + if (pdata) { + struct act8865_regulator_data *rdata; + + rdata = act8865_get_regulator_data(desc->id, pdata); + if (rdata) { + config.init_data = rdata->init_data; + config.of_node = rdata->of_node; + } } rdev = devm_regulator_register(dev, desc, &config); @@ -595,9 +760,20 @@ static int act8865_pmic_probe(struct i2c_client *client, } } + if (type == ACT8600) { + ret = act8600_charger_probe(dev, act8865->regmap); + if (ret < 0) { + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to probe charger"); + return ret; + } + } + i2c_set_clientdata(client, act8865); - return 0; + /* Unlock expert registers for ACT8865. */ + return type != ACT8865 ? 0 : regmap_write(act8865->regmap, + ACT8865_SYS_UNLK_REGS, 0xef); } static const struct i2c_device_id act8865_ids[] = { @@ -611,6 +787,7 @@ MODULE_DEVICE_TABLE(i2c, act8865_ids); static struct i2c_driver act8865_pmic_driver = { .driver = { .name = "act8865", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = act8865_pmic_probe, .id_table = act8865_ids, |