| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Maarten ter Huurne | 750 | 21.10% | 4 | 14.81% |
| Raag Jadav | 725 | 20.39% | 1 | 3.70% |
| Wenyou Yang | 716 | 20.14% | 2 | 7.41% |
| Beniamino Galvani | 605 | 17.02% | 4 | 14.81% |
| Zubair Lutfullah Kakakhel | 413 | 11.62% | 1 | 3.70% |
| Romain Perier | 130 | 3.66% | 2 | 7.41% |
| Axel Lin | 88 | 2.48% | 4 | 14.81% |
| Heiko Stübner | 70 | 1.97% | 1 | 3.70% |
| Michał Mirosław | 39 | 1.10% | 2 | 7.41% |
| Uwe Kleine-König | 9 | 0.25% | 2 | 7.41% |
| Doug Anderson | 5 | 0.14% | 1 | 3.70% |
| Thomas Gleixner | 2 | 0.06% | 1 | 3.70% |
| Matti Vaittinen | 2 | 0.06% | 1 | 3.70% |
| kbuild test robot | 1 | 0.03% | 1 | 3.70% |
| Total | 3555 | 27 |
// 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 */ #include <linux/module.h> #include <linux/init.h> #include <linux/i2c.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #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. */ #define ACT8600_SYS_MODE 0x00 #define ACT8600_SYS_CTRL 0x01 #define ACT8600_DCDC1_VSET 0x10 #define ACT8600_DCDC1_CTRL 0x12 #define ACT8600_DCDC2_VSET 0x20 #define ACT8600_DCDC2_CTRL 0x22 #define ACT8600_DCDC3_VSET 0x30 #define ACT8600_DCDC3_CTRL 0x32 #define ACT8600_SUDCDC4_VSET 0x40 #define ACT8600_SUDCDC4_CTRL 0x41 #define ACT8600_LDO5_VSET 0x50 #define ACT8600_LDO5_CTRL 0x51 #define ACT8600_LDO6_VSET 0x60 #define ACT8600_LDO6_CTRL 0x61 #define ACT8600_LDO7_VSET 0x70 #define ACT8600_LDO7_CTRL 0x71 #define ACT8600_LDO8_VSET 0x80 #define ACT8600_LDO8_CTRL 0x81 #define ACT8600_LDO910_CTRL 0x91 #define ACT8600_APCH0 0xA1 #define ACT8600_APCH1 0xA8 #define ACT8600_APCH2 0xA9 #define ACT8600_APCH_STAT 0xAA #define ACT8600_OTG0 0xB0 #define ACT8600_OTG1 0xB2 /* * ACT8846 Global Register Map. */ #define ACT8846_SYS0 0x00 #define ACT8846_SYS1 0x01 #define ACT8846_REG1_VSET 0x10 #define ACT8846_REG1_CTRL 0x12 #define ACT8846_REG2_VSET0 0x20 #define ACT8846_REG2_VSET1 0x21 #define ACT8846_REG2_CTRL 0x22 #define ACT8846_REG3_VSET0 0x30 #define ACT8846_REG3_VSET1 0x31 #define ACT8846_REG3_CTRL 0x32 #define ACT8846_REG4_VSET0 0x40 #define ACT8846_REG4_VSET1 0x41 #define ACT8846_REG4_CTRL 0x42 #define ACT8846_REG5_VSET 0x50 #define ACT8846_REG5_CTRL 0x51 #define ACT8846_REG6_VSET 0x58 #define ACT8846_REG6_CTRL 0x59 #define ACT8846_REG7_VSET 0x60 #define ACT8846_REG7_CTRL 0x61 #define ACT8846_REG8_VSET 0x68 #define ACT8846_REG8_CTRL 0x69 #define ACT8846_REG9_VSET 0x70 #define ACT8846_REG9_CTRL 0x71 #define ACT8846_REG10_VSET 0x80 #define ACT8846_REG10_CTRL 0x81 #define ACT8846_REG11_VSET 0x90 #define ACT8846_REG11_CTRL 0x91 #define ACT8846_REG12_VSET 0xa0 #define ACT8846_REG12_CTRL 0xa1 #define ACT8846_REG13_CTRL 0xb1 #define ACT8846_GLB_OFF_CTRL 0xc3 #define ACT8846_OFF_SYSMASK 0x18 /* * ACT8865 Global Register Map. */ #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 256 struct act8865 { struct regmap *regmap; int off_reg; int off_mask; }; static const struct regmap_range act8600_reg_ranges[] = { regmap_reg_range(0x00, 0x01), regmap_reg_range(0x10, 0x10), regmap_reg_range(0x12, 0x12), regmap_reg_range(0x20, 0x20), regmap_reg_range(0x22, 0x22), regmap_reg_range(0x30, 0x30), regmap_reg_range(0x32, 0x32), regmap_reg_range(0x40, 0x41), regmap_reg_range(0x50, 0x51), regmap_reg_range(0x60, 0x61), regmap_reg_range(0x70, 0x71), regmap_reg_range(0x80, 0x81), regmap_reg_range(0x91, 0x91), regmap_reg_range(0xA1, 0xA1), regmap_reg_range(0xA8, 0xAA), regmap_reg_range(0xB0, 0xB0), regmap_reg_range(0xB2, 0xB2), regmap_reg_range(0xC1, 0xC1), }; static const struct regmap_range act8600_reg_ro_ranges[] = { regmap_reg_range(0xAA, 0xAA), regmap_reg_range(0xC1, 0xC1), }; static const struct regmap_range act8600_reg_volatile_ranges[] = { regmap_reg_range(0x00, 0x01), regmap_reg_range(0x12, 0x12), regmap_reg_range(0x22, 0x22), regmap_reg_range(0x32, 0x32), regmap_reg_range(0x41, 0x41), regmap_reg_range(0x51, 0x51), regmap_reg_range(0x61, 0x61), regmap_reg_range(0x71, 0x71), regmap_reg_range(0x81, 0x81), regmap_reg_range(0xA8, 0xA8), regmap_reg_range(0xAA, 0xAA), regmap_reg_range(0xB0, 0xB0), regmap_reg_range(0xC1, 0xC1), }; static const struct regmap_access_table act8600_write_ranges_table = { .yes_ranges = act8600_reg_ranges, .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges), .no_ranges = act8600_reg_ro_ranges, .n_no_ranges = ARRAY_SIZE(act8600_reg_ro_ranges), }; static const struct regmap_access_table act8600_read_ranges_table = { .yes_ranges = act8600_reg_ranges, .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges), }; static const struct regmap_access_table act8600_volatile_ranges_table = { .yes_ranges = act8600_reg_volatile_ranges, .n_yes_ranges = ARRAY_SIZE(act8600_reg_volatile_ranges), }; static const struct regmap_config act8600_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = 0xFF, .wr_table = &act8600_write_ranges_table, .rd_table = &act8600_read_ranges_table, .volatile_table = &act8600_volatile_ranges_table, }; static const struct regmap_config act8865_regmap_config = { .reg_bits = 8, .val_bits = 8, }; 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 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, 192, 247, 400000), REGULATOR_LINEAR_RANGE(41400000, 248, 255, 0), }; 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 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, }; 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 = _ops, \ .n_voltages = ACT8865_VOLTAGE_NUM, \ .linear_ranges = act8865_voltage_ranges, \ .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ .vsel_reg = _family##_##_id##_##_vsel_reg, \ .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, .n_voltages = ACT8600_SUDCDC_VOLTAGE_NUM, .linear_ranges = act8600_sudcdc_voltage_ranges, .n_linear_ranges = ARRAY_SIZE(act8600_sudcdc_voltage_ranges), .vsel_reg = ACT8600_SUDCDC4_VSET, .vsel_mask = ACT8600_SUDCDC_VSEL_MASK, .enable_reg = ACT8600_SUDCDC4_CTRL, .enable_mask = ACT8865_ENA, .owner = THIS_MODULE, }, ACT88xx_REG("LDO5", ACT8600, LDO5, VSET, "inl"), ACT88xx_REG("LDO6", ACT8600, LDO6, VSET, "inl"), ACT88xx_REG("LDO7", ACT8600, LDO7, VSET, "inl"), 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_fixed_ldo_ops, .type = REGULATOR_VOLTAGE, .n_voltages = 1, .fixed_uV = 3300000, .enable_reg = ACT8600_LDO910_CTRL, .enable_mask = ACT8865_ENA, .owner = THIS_MODULE, }, { .name = "LDO_REG10", .of_match = of_match_ptr("LDO_REG10"), .regulators_node = of_match_ptr("regulators"), .id = ACT8600_ID_LDO10, .ops = &act8865_fixed_ldo_ops, .type = REGULATOR_VOLTAGE, .n_voltages = 1, .fixed_uV = 1200000, .enable_reg = ACT8600_LDO910_CTRL, .enable_mask = ACT8600_LDO10_ENA, .owner = THIS_MODULE, }, }; static const struct regulator_desc act8846_regulators[] = { ACT88xx_REG("REG1", ACT8846, REG1, VSET, "vp1"), ACT88xx_REG("REG2", ACT8846, REG2, VSET0, "vp2"), ACT88xx_REG("REG3", ACT8846, REG3, VSET0, "vp3"), ACT88xx_REG("REG4", ACT8846, REG4, VSET0, "vp4"), ACT88xx_REG("REG5", ACT8846, REG5, VSET, "inl1"), ACT88xx_REG("REG6", ACT8846, REG6, VSET, "inl1"), ACT88xx_REG("REG7", ACT8846, REG7, VSET, "inl1"), ACT88xx_REG("REG8", ACT8846, REG8, VSET, "inl2"), ACT88xx_REG("REG9", ACT8846, REG9, VSET, "inl2"), ACT88xx_REG("REG10", ACT8846, REG10, VSET, "inl3"), ACT88xx_REG("REG11", ACT8846, REG11, VSET, "inl3"), ACT88xx_REG("REG12", ACT8846, REG12, VSET, "inl3"), }; 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_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_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 static const struct of_device_id act8865_dt_ids[] = { { .compatible = "active-semi,act8600", .data = (void *)ACT8600 }, { .compatible = "active-semi,act8846", .data = (void *)ACT8846 }, { .compatible = "active-semi,act8865", .data = (void *)ACT8865 }, { } }; MODULE_DEVICE_TABLE(of, act8865_dt_ids); #endif static struct act8865_regulator_data *act8865_get_regulator_data( int id, struct act8865_platform_data *pdata) { int i; for (i = 0; i < pdata->num_regulators; i++) { if (pdata->regulators[i].id == id) return &pdata->regulators[i]; } return NULL; } static struct i2c_client *act8865_i2c_client; static void act8865_power_off(void) { struct act8865 *act8865; act8865 = i2c_get_clientdata(act8865_i2c_client); regmap_write(act8865->regmap, act8865->off_reg, act8865->off_mask); while (1); } 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, .of_node = dev->of_node, }; 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 = NULL; struct device *dev = &client->dev; int i, ret, num_regulators; struct act8865 *act8865; const struct regmap_config *regmap_config; unsigned long type; int off_reg, off_mask; int voltage_select = 0; if (dev->of_node) { const struct of_device_id *id; id = of_match_device(of_match_ptr(act8865_dt_ids), dev); if (!id) return -ENODEV; type = (unsigned long) id->data; voltage_select = !!of_get_property(dev->of_node, "active-semi,vsel-high", NULL); } else { type = i2c_id->driver_data; pdata = dev_get_platdata(dev); } switch (type) { case ACT8600: regulators = act8600_regulators; num_regulators = ARRAY_SIZE(act8600_regulators); regmap_config = &act8600_regmap_config; off_reg = -1; off_mask = -1; break; case ACT8846: regulators = act8846_regulators; num_regulators = ARRAY_SIZE(act8846_regulators); regmap_config = &act8865_regmap_config; off_reg = ACT8846_GLB_OFF_CTRL; off_mask = ACT8846_OFF_SYSMASK; break; case ACT8865: if (voltage_select) { regulators = act8865_alt_regulators; num_regulators = ARRAY_SIZE(act8865_alt_regulators); } else { regulators = act8865_regulators; num_regulators = ARRAY_SIZE(act8865_regulators); } regmap_config = &act8865_regmap_config; off_reg = ACT8865_SYS_CTRL; off_mask = ACT8865_MSTROFF; break; default: dev_err(dev, "invalid device id %lu\n", type); return -EINVAL; } act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL); if (!act8865) return -ENOMEM; act8865->regmap = devm_regmap_init_i2c(client, regmap_config); if (IS_ERR(act8865->regmap)) { ret = PTR_ERR(act8865->regmap); dev_err(dev, "Failed to allocate register map: %d\n", ret); return ret; } if (of_device_is_system_power_controller(dev->of_node)) { if (!pm_power_off && (off_reg > 0)) { act8865_i2c_client = client; act8865->off_reg = off_reg; act8865->off_mask = off_mask; pm_power_off = act8865_power_off; } else { dev_err(dev, "Failed to set poweroff capability, already defined\n"); } } /* Finally register devices */ for (i = 0; i < num_regulators; i++) { const struct regulator_desc *desc = ®ulators[i]; struct regulator_config config = { }; struct regulator_dev *rdev; config.dev = dev; config.driver_data = act8865; config.regmap = act8865->regmap; 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); if (IS_ERR(rdev)) { dev_err(dev, "failed to register %s\n", desc->name); return PTR_ERR(rdev); } } 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); /* 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[] = { { .name = "act8600", .driver_data = ACT8600 }, { .name = "act8846", .driver_data = ACT8846 }, { .name = "act8865", .driver_data = ACT8865 }, { }, }; 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, }; module_i2c_driver(act8865_pmic_driver); MODULE_DESCRIPTION("active-semi act88xx voltage regulator driver"); MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>"); MODULE_LICENSE("GPL v2");
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