forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
801 lines
22 KiB
801 lines
22 KiB
// 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) |
|
{ |
|
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 = 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 <[email protected]>"); |
|
MODULE_LICENSE("GPL v2");
|
|
|