diff options
Diffstat (limited to 'drivers/regulator/axp20x-regulator.c')
| -rw-r--r-- | drivers/regulator/axp20x-regulator.c | 1375 |
1 files changed, 1375 insertions, 0 deletions
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c new file mode 100644 index 000000000..d260c442b --- /dev/null +++ b/drivers/regulator/axp20x-regulator.c @@ -0,0 +1,1375 @@ +/* + * AXP20x regulators driver. + * + * Copyright (C) 2013 Carlo Caione <carlo@caione.org> + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * 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/bitops.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/mfd/axp20x.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> + +#define AXP20X_GPIO0_FUNC_MASK GENMASK(3, 0) +#define AXP20X_GPIO1_FUNC_MASK GENMASK(3, 0) + +#define AXP20X_IO_ENABLED 0x03 +#define AXP20X_IO_DISABLED 0x07 + +#define AXP20X_WORKMODE_DCDC2_MASK BIT_MASK(2) +#define AXP20X_WORKMODE_DCDC3_MASK BIT_MASK(1) + +#define AXP20X_FREQ_DCDC_MASK GENMASK(3, 0) + +#define AXP20X_VBUS_IPSOUT_MGMT_MASK BIT_MASK(2) + +#define AXP20X_DCDC2_V_OUT_MASK GENMASK(5, 0) +#define AXP20X_DCDC3_V_OUT_MASK GENMASK(7, 0) +#define AXP20X_LDO2_V_OUT_MASK GENMASK(7, 4) +#define AXP20X_LDO3_V_OUT_MASK GENMASK(6, 0) +#define AXP20X_LDO4_V_OUT_MASK GENMASK(3, 0) +#define AXP20X_LDO5_V_OUT_MASK GENMASK(7, 4) + +#define AXP20X_PWR_OUT_EXTEN_MASK BIT_MASK(0) +#define AXP20X_PWR_OUT_DCDC3_MASK BIT_MASK(1) +#define AXP20X_PWR_OUT_LDO2_MASK BIT_MASK(2) +#define AXP20X_PWR_OUT_LDO4_MASK BIT_MASK(3) +#define AXP20X_PWR_OUT_DCDC2_MASK BIT_MASK(4) +#define AXP20X_PWR_OUT_LDO3_MASK BIT_MASK(6) + +#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK BIT_MASK(0) +#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(x) \ + ((x) << 0) +#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK BIT_MASK(1) +#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(x) \ + ((x) << 1) +#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK BIT_MASK(2) +#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN BIT(2) +#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK BIT_MASK(3) +#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN BIT(3) + +#define AXP20X_LDO4_V_OUT_1250mV_START 0x0 +#define AXP20X_LDO4_V_OUT_1250mV_STEPS 0 +#define AXP20X_LDO4_V_OUT_1250mV_END \ + (AXP20X_LDO4_V_OUT_1250mV_START + AXP20X_LDO4_V_OUT_1250mV_STEPS) +#define AXP20X_LDO4_V_OUT_1300mV_START 0x1 +#define AXP20X_LDO4_V_OUT_1300mV_STEPS 7 +#define AXP20X_LDO4_V_OUT_1300mV_END \ + (AXP20X_LDO4_V_OUT_1300mV_START + AXP20X_LDO4_V_OUT_1300mV_STEPS) +#define AXP20X_LDO4_V_OUT_2500mV_START 0x9 +#define AXP20X_LDO4_V_OUT_2500mV_STEPS 0 +#define AXP20X_LDO4_V_OUT_2500mV_END \ + (AXP20X_LDO4_V_OUT_2500mV_START + AXP20X_LDO4_V_OUT_2500mV_STEPS) +#define AXP20X_LDO4_V_OUT_2700mV_START 0xa +#define AXP20X_LDO4_V_OUT_2700mV_STEPS 1 +#define AXP20X_LDO4_V_OUT_2700mV_END \ + (AXP20X_LDO4_V_OUT_2700mV_START + AXP20X_LDO4_V_OUT_2700mV_STEPS) +#define AXP20X_LDO4_V_OUT_3000mV_START 0xc +#define AXP20X_LDO4_V_OUT_3000mV_STEPS 3 +#define AXP20X_LDO4_V_OUT_3000mV_END \ + (AXP20X_LDO4_V_OUT_3000mV_START + AXP20X_LDO4_V_OUT_3000mV_STEPS) +#define AXP20X_LDO4_V_OUT_NUM_VOLTAGES 16 + +#define AXP22X_IO_ENABLED 0x03 +#define AXP22X_IO_DISABLED 0x04 + +#define AXP22X_WORKMODE_DCDCX_MASK(x) BIT_MASK(x) + +#define AXP22X_MISC_N_VBUSEN_FUNC BIT(4) + +#define AXP22X_DCDC1_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_DCDC2_V_OUT_MASK GENMASK(5, 0) +#define AXP22X_DCDC3_V_OUT_MASK GENMASK(5, 0) +#define AXP22X_DCDC4_V_OUT_MASK GENMASK(5, 0) +#define AXP22X_DCDC5_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_DC5LDO_V_OUT_MASK GENMASK(2, 0) +#define AXP22X_ALDO1_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_ALDO2_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_ALDO3_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_DLDO1_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_DLDO2_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_DLDO3_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_DLDO4_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_ELDO1_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_ELDO2_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_ELDO3_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_LDO_IO0_V_OUT_MASK GENMASK(4, 0) +#define AXP22X_LDO_IO1_V_OUT_MASK GENMASK(4, 0) + +#define AXP22X_PWR_OUT_DC5LDO_MASK BIT_MASK(0) +#define AXP22X_PWR_OUT_DCDC1_MASK BIT_MASK(1) +#define AXP22X_PWR_OUT_DCDC2_MASK BIT_MASK(2) +#define AXP22X_PWR_OUT_DCDC3_MASK BIT_MASK(3) +#define AXP22X_PWR_OUT_DCDC4_MASK BIT_MASK(4) +#define AXP22X_PWR_OUT_DCDC5_MASK BIT_MASK(5) +#define AXP22X_PWR_OUT_ALDO1_MASK BIT_MASK(6) +#define AXP22X_PWR_OUT_ALDO2_MASK BIT_MASK(7) + +#define AXP22X_PWR_OUT_SW_MASK BIT_MASK(6) +#define AXP22X_PWR_OUT_DC1SW_MASK BIT_MASK(7) + +#define AXP22X_PWR_OUT_ELDO1_MASK BIT_MASK(0) +#define AXP22X_PWR_OUT_ELDO2_MASK BIT_MASK(1) +#define AXP22X_PWR_OUT_ELDO3_MASK BIT_MASK(2) +#define AXP22X_PWR_OUT_DLDO1_MASK BIT_MASK(3) +#define AXP22X_PWR_OUT_DLDO2_MASK BIT_MASK(4) +#define AXP22X_PWR_OUT_DLDO3_MASK BIT_MASK(5) +#define AXP22X_PWR_OUT_DLDO4_MASK BIT_MASK(6) +#define AXP22X_PWR_OUT_ALDO3_MASK BIT_MASK(7) + +#define AXP803_PWR_OUT_DCDC1_MASK BIT_MASK(0) +#define AXP803_PWR_OUT_DCDC2_MASK BIT_MASK(1) +#define AXP803_PWR_OUT_DCDC3_MASK BIT_MASK(2) +#define AXP803_PWR_OUT_DCDC4_MASK BIT_MASK(3) +#define AXP803_PWR_OUT_DCDC5_MASK BIT_MASK(4) +#define AXP803_PWR_OUT_DCDC6_MASK BIT_MASK(5) + +#define AXP803_PWR_OUT_FLDO1_MASK BIT_MASK(2) +#define AXP803_PWR_OUT_FLDO2_MASK BIT_MASK(3) + +#define AXP803_DCDC1_V_OUT_MASK GENMASK(4, 0) +#define AXP803_DCDC2_V_OUT_MASK GENMASK(6, 0) +#define AXP803_DCDC3_V_OUT_MASK GENMASK(6, 0) +#define AXP803_DCDC4_V_OUT_MASK GENMASK(6, 0) +#define AXP803_DCDC5_V_OUT_MASK GENMASK(6, 0) +#define AXP803_DCDC6_V_OUT_MASK GENMASK(6, 0) + +#define AXP803_FLDO1_V_OUT_MASK GENMASK(3, 0) +#define AXP803_FLDO2_V_OUT_MASK GENMASK(3, 0) + +#define AXP803_DCDC23_POLYPHASE_DUAL BIT(6) +#define AXP803_DCDC56_POLYPHASE_DUAL BIT(5) + +#define AXP803_DCDC234_500mV_START 0x00 +#define AXP803_DCDC234_500mV_STEPS 70 +#define AXP803_DCDC234_500mV_END \ + (AXP803_DCDC234_500mV_START + AXP803_DCDC234_500mV_STEPS) +#define AXP803_DCDC234_1220mV_START 0x47 +#define AXP803_DCDC234_1220mV_STEPS 4 +#define AXP803_DCDC234_1220mV_END \ + (AXP803_DCDC234_1220mV_START + AXP803_DCDC234_1220mV_STEPS) +#define AXP803_DCDC234_NUM_VOLTAGES 76 + +#define AXP803_DCDC5_800mV_START 0x00 +#define AXP803_DCDC5_800mV_STEPS 32 +#define AXP803_DCDC5_800mV_END \ + (AXP803_DCDC5_800mV_START + AXP803_DCDC5_800mV_STEPS) +#define AXP803_DCDC5_1140mV_START 0x21 +#define AXP803_DCDC5_1140mV_STEPS 35 +#define AXP803_DCDC5_1140mV_END \ + (AXP803_DCDC5_1140mV_START + AXP803_DCDC5_1140mV_STEPS) +#define AXP803_DCDC5_NUM_VOLTAGES 69 + +#define AXP803_DCDC6_600mV_START 0x00 +#define AXP803_DCDC6_600mV_STEPS 50 +#define AXP803_DCDC6_600mV_END \ + (AXP803_DCDC6_600mV_START + AXP803_DCDC6_600mV_STEPS) +#define AXP803_DCDC6_1120mV_START 0x33 +#define AXP803_DCDC6_1120mV_STEPS 20 +#define AXP803_DCDC6_1120mV_END \ + (AXP803_DCDC6_1120mV_START + AXP803_DCDC6_1120mV_STEPS) +#define AXP803_DCDC6_NUM_VOLTAGES 72 + +#define AXP803_DLDO2_700mV_START 0x00 +#define AXP803_DLDO2_700mV_STEPS 26 +#define AXP803_DLDO2_700mV_END \ + (AXP803_DLDO2_700mV_START + AXP803_DLDO2_700mV_STEPS) +#define AXP803_DLDO2_3400mV_START 0x1b +#define AXP803_DLDO2_3400mV_STEPS 4 +#define AXP803_DLDO2_3400mV_END \ + (AXP803_DLDO2_3400mV_START + AXP803_DLDO2_3400mV_STEPS) +#define AXP803_DLDO2_NUM_VOLTAGES 32 + +#define AXP806_DCDCA_V_CTRL_MASK GENMASK(6, 0) +#define AXP806_DCDCB_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_DCDCC_V_CTRL_MASK GENMASK(6, 0) +#define AXP806_DCDCD_V_CTRL_MASK GENMASK(5, 0) +#define AXP806_DCDCE_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_ALDO1_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_ALDO2_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_ALDO3_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_BLDO1_V_CTRL_MASK GENMASK(3, 0) +#define AXP806_BLDO2_V_CTRL_MASK GENMASK(3, 0) +#define AXP806_BLDO3_V_CTRL_MASK GENMASK(3, 0) +#define AXP806_BLDO4_V_CTRL_MASK GENMASK(3, 0) +#define AXP806_CLDO1_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_CLDO2_V_CTRL_MASK GENMASK(4, 0) +#define AXP806_CLDO3_V_CTRL_MASK GENMASK(4, 0) + +#define AXP806_PWR_OUT_DCDCA_MASK BIT_MASK(0) +#define AXP806_PWR_OUT_DCDCB_MASK BIT_MASK(1) +#define AXP806_PWR_OUT_DCDCC_MASK BIT_MASK(2) +#define AXP806_PWR_OUT_DCDCD_MASK BIT_MASK(3) +#define AXP806_PWR_OUT_DCDCE_MASK BIT_MASK(4) +#define AXP806_PWR_OUT_ALDO1_MASK BIT_MASK(5) +#define AXP806_PWR_OUT_ALDO2_MASK BIT_MASK(6) +#define AXP806_PWR_OUT_ALDO3_MASK BIT_MASK(7) +#define AXP806_PWR_OUT_BLDO1_MASK BIT_MASK(0) +#define AXP806_PWR_OUT_BLDO2_MASK BIT_MASK(1) +#define AXP806_PWR_OUT_BLDO3_MASK BIT_MASK(2) +#define AXP806_PWR_OUT_BLDO4_MASK BIT_MASK(3) +#define AXP806_PWR_OUT_CLDO1_MASK BIT_MASK(4) +#define AXP806_PWR_OUT_CLDO2_MASK BIT_MASK(5) +#define AXP806_PWR_OUT_CLDO3_MASK BIT_MASK(6) +#define AXP806_PWR_OUT_SW_MASK BIT_MASK(7) + +#define AXP806_DCDCAB_POLYPHASE_DUAL 0x40 +#define AXP806_DCDCABC_POLYPHASE_TRI 0x80 +#define AXP806_DCDCABC_POLYPHASE_MASK GENMASK(7, 6) + +#define AXP806_DCDCDE_POLYPHASE_DUAL BIT(5) + +#define AXP806_DCDCA_600mV_START 0x00 +#define AXP806_DCDCA_600mV_STEPS 50 +#define AXP806_DCDCA_600mV_END \ + (AXP806_DCDCA_600mV_START + AXP806_DCDCA_600mV_STEPS) +#define AXP806_DCDCA_1120mV_START 0x33 +#define AXP806_DCDCA_1120mV_STEPS 20 +#define AXP806_DCDCA_1120mV_END \ + (AXP806_DCDCA_1120mV_START + AXP806_DCDCA_1120mV_STEPS) +#define AXP806_DCDCA_NUM_VOLTAGES 72 + +#define AXP806_DCDCD_600mV_START 0x00 +#define AXP806_DCDCD_600mV_STEPS 45 +#define AXP806_DCDCD_600mV_END \ + (AXP806_DCDCD_600mV_START + AXP806_DCDCD_600mV_STEPS) +#define AXP806_DCDCD_1600mV_START 0x2e +#define AXP806_DCDCD_1600mV_STEPS 17 +#define AXP806_DCDCD_1600mV_END \ + (AXP806_DCDCD_1600mV_START + AXP806_DCDCD_1600mV_STEPS) +#define AXP806_DCDCD_NUM_VOLTAGES 64 + +#define AXP809_DCDC4_600mV_START 0x00 +#define AXP809_DCDC4_600mV_STEPS 47 +#define AXP809_DCDC4_600mV_END \ + (AXP809_DCDC4_600mV_START + AXP809_DCDC4_600mV_STEPS) +#define AXP809_DCDC4_1800mV_START 0x30 +#define AXP809_DCDC4_1800mV_STEPS 8 +#define AXP809_DCDC4_1800mV_END \ + (AXP809_DCDC4_1800mV_START + AXP809_DCDC4_1800mV_STEPS) +#define AXP809_DCDC4_NUM_VOLTAGES 57 + +#define AXP813_DCDC7_V_OUT_MASK GENMASK(6, 0) + +#define AXP813_PWR_OUT_DCDC7_MASK BIT_MASK(6) + +#define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg, \ + _vmask, _ereg, _emask, _enable_val, _disable_val) \ + [_family##_##_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = _family##_##_id, \ + .n_voltages = (((_max) - (_min)) / (_step) + 1), \ + .owner = THIS_MODULE, \ + .min_uV = (_min) * 1000, \ + .uV_step = (_step) * 1000, \ + .vsel_reg = (_vreg), \ + .vsel_mask = (_vmask), \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .enable_val = (_enable_val), \ + .disable_val = (_disable_val), \ + .ops = &axp20x_ops, \ + } + +#define AXP_DESC(_family, _id, _match, _supply, _min, _max, _step, _vreg, \ + _vmask, _ereg, _emask) \ + [_family##_##_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = _family##_##_id, \ + .n_voltages = (((_max) - (_min)) / (_step) + 1), \ + .owner = THIS_MODULE, \ + .min_uV = (_min) * 1000, \ + .uV_step = (_step) * 1000, \ + .vsel_reg = (_vreg), \ + .vsel_mask = (_vmask), \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .ops = &axp20x_ops, \ + } + +#define AXP_DESC_SW(_family, _id, _match, _supply, _ereg, _emask) \ + [_family##_##_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = _family##_##_id, \ + .owner = THIS_MODULE, \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .ops = &axp20x_ops_sw, \ + } + +#define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \ + [_family##_##_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = _family##_##_id, \ + .n_voltages = 1, \ + .owner = THIS_MODULE, \ + .min_uV = (_volt) * 1000, \ + .ops = &axp20x_ops_fixed \ + } + +#define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages, \ + _vreg, _vmask, _ereg, _emask) \ + [_family##_##_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = _family##_##_id, \ + .n_voltages = (_n_voltages), \ + .owner = THIS_MODULE, \ + .vsel_reg = (_vreg), \ + .vsel_mask = (_vmask), \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .linear_ranges = (_ranges), \ + .n_linear_ranges = ARRAY_SIZE(_ranges), \ + .ops = &axp20x_ops_range, \ + } + +static const int axp209_dcdc2_ldo3_slew_rates[] = { + 1600, + 800, +}; + +static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) +{ + struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); + int id = rdev_get_id(rdev); + u8 reg, mask, enable, cfg = 0xff; + const int *slew_rates; + int rate_count = 0; + + switch (axp20x->variant) { + case AXP209_ID: + if (id == AXP20X_DCDC2) { + slew_rates = axp209_dcdc2_ldo3_slew_rates; + rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates); + reg = AXP20X_DCDC2_LDO3_V_RAMP; + mask = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK | + AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK; + enable = (ramp > 0) ? + AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : 0; + break; + } + + if (id == AXP20X_LDO3) { + slew_rates = axp209_dcdc2_ldo3_slew_rates; + rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates); + reg = AXP20X_DCDC2_LDO3_V_RAMP; + mask = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK | + AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK; + enable = (ramp > 0) ? + AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN : 0; + break; + } + + if (rate_count > 0) + break; + + fallthrough; + default: + /* Not supported for this regulator */ + return -ENOTSUPP; + } + + if (ramp == 0) { + cfg = enable; + } else { + int i; + + for (i = 0; i < rate_count; i++) { + if (ramp > slew_rates[i]) + break; + + if (id == AXP20X_DCDC2) + cfg = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(i); + else + cfg = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(i); + } + + if (cfg == 0xff) { + dev_err(axp20x->dev, "unsupported ramp value %d", ramp); + return -EINVAL; + } + + cfg |= enable; + } + + return regmap_update_bits(axp20x->regmap, reg, mask, cfg); +} + +static int axp20x_regulator_enable_regmap(struct regulator_dev *rdev) +{ + struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); + int id = rdev_get_id(rdev); + + switch (axp20x->variant) { + case AXP209_ID: + if ((id == AXP20X_LDO3) && + rdev->constraints && rdev->constraints->soft_start) { + int v_out; + int ret; + + /* + * On some boards, the LDO3 can be overloaded when + * turning on, causing the entire PMIC to shutdown + * without warning. Turning it on at the minimal voltage + * and then setting the voltage to the requested value + * works reliably. + */ + if (regulator_is_enabled_regmap(rdev)) + break; + + v_out = regulator_get_voltage_sel_regmap(rdev); + if (v_out < 0) + return v_out; + + if (v_out == 0) + break; + + ret = regulator_set_voltage_sel_regmap(rdev, 0x00); + /* + * A small pause is needed between + * setting the voltage and enabling the LDO to give the + * internal state machine time to process the request. + */ + usleep_range(1000, 5000); + ret |= regulator_enable_regmap(rdev); + ret |= regulator_set_voltage_sel_regmap(rdev, v_out); + + return ret; + } + break; + default: + /* No quirks */ + break; + } + + return regulator_enable_regmap(rdev); +}; + +static const struct regulator_ops axp20x_ops_fixed = { + .list_voltage = regulator_list_voltage_linear, +}; + +static const struct regulator_ops axp20x_ops_range = { + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, +}; + +static const struct regulator_ops axp20x_ops = { + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .enable = axp20x_regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_ramp_delay = axp20x_set_ramp_delay, +}; + +static const struct regulator_ops axp20x_ops_sw = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, +}; + +static const struct linear_range axp20x_ldo4_ranges[] = { + REGULATOR_LINEAR_RANGE(1250000, + AXP20X_LDO4_V_OUT_1250mV_START, + AXP20X_LDO4_V_OUT_1250mV_END, + 0), + REGULATOR_LINEAR_RANGE(1300000, + AXP20X_LDO4_V_OUT_1300mV_START, + AXP20X_LDO4_V_OUT_1300mV_END, + 100000), + REGULATOR_LINEAR_RANGE(2500000, + AXP20X_LDO4_V_OUT_2500mV_START, + AXP20X_LDO4_V_OUT_2500mV_END, + 0), + REGULATOR_LINEAR_RANGE(2700000, + AXP20X_LDO4_V_OUT_2700mV_START, + AXP20X_LDO4_V_OUT_2700mV_END, + 100000), + REGULATOR_LINEAR_RANGE(3000000, + AXP20X_LDO4_V_OUT_3000mV_START, + AXP20X_LDO4_V_OUT_3000mV_END, + 100000), +}; + +static const struct regulator_desc axp20x_regulators[] = { + AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25, + AXP20X_DCDC2_V_OUT, AXP20X_DCDC2_V_OUT_MASK, + AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC2_MASK), + AXP_DESC(AXP20X, DCDC3, "dcdc3", "vin3", 700, 3500, 25, + AXP20X_DCDC3_V_OUT, AXP20X_DCDC3_V_OUT_MASK, + AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC3_MASK), + AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300), + AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100, + AXP20X_LDO24_V_OUT, AXP20X_LDO2_V_OUT_MASK, + AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO2_MASK), + AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25, + AXP20X_LDO3_V_OUT, AXP20X_LDO3_V_OUT_MASK, + AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO3_MASK), + AXP_DESC_RANGES(AXP20X, LDO4, "ldo4", "ldo24in", + axp20x_ldo4_ranges, AXP20X_LDO4_V_OUT_NUM_VOLTAGES, + AXP20X_LDO24_V_OUT, AXP20X_LDO4_V_OUT_MASK, + AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO4_MASK), + AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100, + AXP20X_LDO5_V_OUT, AXP20X_LDO5_V_OUT_MASK, + AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, + AXP20X_IO_ENABLED, AXP20X_IO_DISABLED), +}; + +static const struct regulator_desc axp22x_regulators[] = { + AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, + AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK), + AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20, + AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK), + AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20, + AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK), + AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20, + AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK), + AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50, + AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK), + /* secondary switchable output of DCDC1 */ + AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", NULL, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), + /* LDO regulator internally chained to DCDC5 */ + AXP_DESC(AXP22X, DC5LDO, "dc5ldo", NULL, 700, 1400, 100, + AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK), + AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK), + AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100, + AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK), + AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP22X_PWR_OUT_ALDO3_MASK), + AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100, + AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), + AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100, + AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), + AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100, + AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK), + AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100, + AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK), + AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100, + AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), + AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100, + AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), + AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100, + AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), + /* Note the datasheet only guarantees reliable operation up to + * 3.3V, this needs to be enforced via dts provided constraints */ + AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100, + AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, + AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + /* Note the datasheet only guarantees reliable operation up to + * 3.3V, this needs to be enforced via dts provided constraints */ + AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100, + AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, + AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000), +}; + +static const struct regulator_desc axp22x_drivevbus_regulator = { + .name = "drivevbus", + .supply_name = "drivevbus", + .of_match = of_match_ptr("drivevbus"), + .regulators_node = of_match_ptr("regulators"), + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .enable_reg = AXP20X_VBUS_IPSOUT_MGMT, + .enable_mask = AXP20X_VBUS_IPSOUT_MGMT_MASK, + .ops = &axp20x_ops_sw, +}; + +/* DCDC ranges shared with AXP813 */ +static const struct linear_range axp803_dcdc234_ranges[] = { + REGULATOR_LINEAR_RANGE(500000, + AXP803_DCDC234_500mV_START, + AXP803_DCDC234_500mV_END, + 10000), + REGULATOR_LINEAR_RANGE(1220000, + AXP803_DCDC234_1220mV_START, + AXP803_DCDC234_1220mV_END, + 20000), +}; + +static const struct linear_range axp803_dcdc5_ranges[] = { + REGULATOR_LINEAR_RANGE(800000, + AXP803_DCDC5_800mV_START, + AXP803_DCDC5_800mV_END, + 10000), + REGULATOR_LINEAR_RANGE(1140000, + AXP803_DCDC5_1140mV_START, + AXP803_DCDC5_1140mV_END, + 20000), +}; + +static const struct linear_range axp803_dcdc6_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, + AXP803_DCDC6_600mV_START, + AXP803_DCDC6_600mV_END, + 10000), + REGULATOR_LINEAR_RANGE(1120000, + AXP803_DCDC6_1120mV_START, + AXP803_DCDC6_1120mV_END, + 20000), +}; + +/* AXP806's CLDO2 and AXP809's DLDO1 share the same range */ +static const struct linear_range axp803_dldo2_ranges[] = { + REGULATOR_LINEAR_RANGE(700000, + AXP803_DLDO2_700mV_START, + AXP803_DLDO2_700mV_END, + 100000), + REGULATOR_LINEAR_RANGE(3400000, + AXP803_DLDO2_3400mV_START, + AXP803_DLDO2_3400mV_END, + 200000), +}; + +static const struct regulator_desc axp803_regulators[] = { + AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, + AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK), + AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2", + axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, + AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK), + AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3", + axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, + AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK), + AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4", + axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, + AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK), + AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5", + axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES, + AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK), + AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6", + axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES, + AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK), + /* secondary switchable output of DCDC1 */ + AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), + AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK), + AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100, + AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK), + AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK), + AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100, + AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), + AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin", + axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, + AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), + AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100, + AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK), + AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100, + AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK), + AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50, + AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), + AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50, + AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), + AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50, + AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), + AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50, + AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK), + AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50, + AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK), + AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100, + AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, + AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100, + AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, + AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000), +}; + +static const struct linear_range axp806_dcdca_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, + AXP806_DCDCA_600mV_START, + AXP806_DCDCA_600mV_END, + 10000), + REGULATOR_LINEAR_RANGE(1120000, + AXP806_DCDCA_1120mV_START, + AXP806_DCDCA_1120mV_END, + 20000), +}; + +static const struct linear_range axp806_dcdcd_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, + AXP806_DCDCD_600mV_START, + AXP806_DCDCD_600mV_END, + 20000), + REGULATOR_LINEAR_RANGE(1600000, + AXP806_DCDCD_1600mV_START, + AXP806_DCDCD_1600mV_END, + 100000), +}; + +static const struct regulator_desc axp806_regulators[] = { + AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina", + axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES, + AXP806_DCDCA_V_CTRL, AXP806_DCDCA_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCA_MASK), + AXP_DESC(AXP806, DCDCB, "dcdcb", "vinb", 1000, 2550, 50, + AXP806_DCDCB_V_CTRL, AXP806_DCDCB_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCB_MASK), + AXP_DESC_RANGES(AXP806, DCDCC, "dcdcc", "vinc", + axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES, + AXP806_DCDCC_V_CTRL, AXP806_DCDCC_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCC_MASK), + AXP_DESC_RANGES(AXP806, DCDCD, "dcdcd", "vind", + axp806_dcdcd_ranges, AXP806_DCDCD_NUM_VOLTAGES, + AXP806_DCDCD_V_CTRL, AXP806_DCDCD_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCD_MASK), + AXP_DESC(AXP806, DCDCE, "dcdce", "vine", 1100, 3400, 100, + AXP806_DCDCE_V_CTRL, AXP806_DCDCE_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCE_MASK), + AXP_DESC(AXP806, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP806_ALDO1_V_CTRL, AXP806_ALDO1_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO1_MASK), + AXP_DESC(AXP806, ALDO2, "aldo2", "aldoin", 700, 3400, 100, + AXP806_ALDO2_V_CTRL, AXP806_ALDO2_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO2_MASK), + AXP_DESC(AXP806, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP806_ALDO3_V_CTRL, AXP806_ALDO3_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO3_MASK), + AXP_DESC(AXP806, BLDO1, "bldo1", "bldoin", 700, 1900, 100, + AXP806_BLDO1_V_CTRL, AXP806_BLDO1_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO1_MASK), + AXP_DESC(AXP806, BLDO2, "bldo2", "bldoin", 700, 1900, 100, + AXP806_BLDO2_V_CTRL, AXP806_BLDO2_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO2_MASK), + AXP_DESC(AXP806, BLDO3, "bldo3", "bldoin", 700, 1900, 100, + AXP806_BLDO3_V_CTRL, AXP806_BLDO3_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO3_MASK), + AXP_DESC(AXP806, BLDO4, "bldo4", "bldoin", 700, 1900, 100, + AXP806_BLDO4_V_CTRL, AXP806_BLDO4_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO4_MASK), + AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100, + AXP806_CLDO1_V_CTRL, AXP806_CLDO1_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO1_MASK), + AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", + axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, + AXP806_CLDO2_V_CTRL, AXP806_CLDO2_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO2_MASK), + AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100, + AXP806_CLDO3_V_CTRL, AXP806_CLDO3_V_CTRL_MASK, + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO3_MASK), + AXP_DESC_SW(AXP806, SW, "sw", "swin", + AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_SW_MASK), +}; + +static const struct linear_range axp809_dcdc4_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, + AXP809_DCDC4_600mV_START, + AXP809_DCDC4_600mV_END, + 20000), + REGULATOR_LINEAR_RANGE(1800000, + AXP809_DCDC4_1800mV_START, + AXP809_DCDC4_1800mV_END, + 100000), +}; + +static const struct regulator_desc axp809_regulators[] = { + AXP_DESC(AXP809, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, + AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK), + AXP_DESC(AXP809, DCDC2, "dcdc2", "vin2", 600, 1540, 20, + AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK), + AXP_DESC(AXP809, DCDC3, "dcdc3", "vin3", 600, 1860, 20, + AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK), + AXP_DESC_RANGES(AXP809, DCDC4, "dcdc4", "vin4", + axp809_dcdc4_ranges, AXP809_DCDC4_NUM_VOLTAGES, + AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK), + AXP_DESC(AXP809, DCDC5, "dcdc5", "vin5", 1000, 2550, 50, + AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK), + /* secondary switchable output of DCDC1 */ + AXP_DESC_SW(AXP809, DC1SW, "dc1sw", NULL, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), + /* LDO regulator internally chained to DCDC5 */ + AXP_DESC(AXP809, DC5LDO, "dc5ldo", NULL, 700, 1400, 100, + AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK), + AXP_DESC(AXP809, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK), + AXP_DESC(AXP809, ALDO2, "aldo2", "aldoin", 700, 3300, 100, + AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK), + AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ALDO3_MASK), + AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", + axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, + AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), + AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100, + AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), + AXP_DESC(AXP809, ELDO1, "eldo1", "eldoin", 700, 3300, 100, + AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), + AXP_DESC(AXP809, ELDO2, "eldo2", "eldoin", 700, 3300, 100, + AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), + AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100, + AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), + /* + * Note the datasheet only guarantees reliable operation up to + * 3.3V, this needs to be enforced via dts provided constraints + */ + AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100, + AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, + AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + /* + * Note the datasheet only guarantees reliable operation up to + * 3.3V, this needs to be enforced via dts provided constraints + */ + AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100, + AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, + AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800), + AXP_DESC_SW(AXP809, SW, "sw", "swin", + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_SW_MASK), +}; + +static const struct regulator_desc axp813_regulators[] = { + AXP_DESC(AXP813, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, + AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK), + AXP_DESC_RANGES(AXP813, DCDC2, "dcdc2", "vin2", + axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, + AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK), + AXP_DESC_RANGES(AXP813, DCDC3, "dcdc3", "vin3", + axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, + AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK), + AXP_DESC_RANGES(AXP813, DCDC4, "dcdc4", "vin4", + axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, + AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK), + AXP_DESC_RANGES(AXP813, DCDC5, "dcdc5", "vin5", + axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES, + AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK), + AXP_DESC_RANGES(AXP813, DCDC6, "dcdc6", "vin6", + axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES, + AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK), + AXP_DESC_RANGES(AXP813, DCDC7, "dcdc7", "vin7", + axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES, + AXP813_DCDC7_V_OUT, AXP813_DCDC7_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL1, AXP813_PWR_OUT_DCDC7_MASK), + AXP_DESC(AXP813, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK), + AXP_DESC(AXP813, ALDO2, "aldo2", "aldoin", 700, 3300, 100, + AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK), + AXP_DESC(AXP813, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK), + AXP_DESC(AXP813, DLDO1, "dldo1", "dldoin", 700, 3300, 100, + AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), + AXP_DESC_RANGES(AXP813, DLDO2, "dldo2", "dldoin", + axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, + AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), + AXP_DESC(AXP813, DLDO3, "dldo3", "dldoin", 700, 3300, 100, + AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK), + AXP_DESC(AXP813, DLDO4, "dldo4", "dldoin", 700, 3300, 100, + AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK), + AXP_DESC(AXP813, ELDO1, "eldo1", "eldoin", 700, 1900, 50, + AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), + AXP_DESC(AXP813, ELDO2, "eldo2", "eldoin", 700, 1900, 50, + AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), + AXP_DESC(AXP813, ELDO3, "eldo3", "eldoin", 700, 1900, 50, + AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), + /* to do / check ... */ + AXP_DESC(AXP813, FLDO1, "fldo1", "fldoin", 700, 1450, 50, + AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK), + AXP_DESC(AXP813, FLDO2, "fldo2", "fldoin", 700, 1450, 50, + AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK, + AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK), + /* + * TODO: FLDO3 = {DCDC5, FLDOIN} / 2 + * + * This means FLDO3 effectively switches supplies at runtime, + * something the regulator subsystem does not support. + */ + AXP_DESC_FIXED(AXP813, RTC_LDO, "rtc-ldo", "ips", 1800), + AXP_DESC_IO(AXP813, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100, + AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, + AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_IO(AXP813, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100, + AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, + AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_SW(AXP813, SW, "sw", "swin", + AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), +}; + +static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) +{ + struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); + unsigned int reg = AXP20X_DCDC_FREQ; + u32 min, max, def, step; + + switch (axp20x->variant) { + case AXP202_ID: + case AXP209_ID: + min = 750; + max = 1875; + def = 1500; + step = 75; + break; + case AXP803_ID: + case AXP813_ID: + /* + * AXP803/AXP813 DCDC work frequency setting has the same + * range and step as AXP22X, but at a different register. + * (See include/linux/mfd/axp20x.h) + */ + reg = AXP803_DCDC_FREQ_CTRL; + fallthrough; /* to the check below */ + case AXP806_ID: + /* + * AXP806 also have DCDC work frequency setting register at a + * different position. + */ + if (axp20x->variant == AXP806_ID) + reg = AXP806_DCDC_FREQ_CTRL; + fallthrough; + case AXP221_ID: + case AXP223_ID: + case AXP809_ID: + min = 1800; + max = 4050; + def = 3000; + step = 150; + break; + default: + dev_err(&pdev->dev, + "Setting DCDC frequency for unsupported AXP variant\n"); + return -EINVAL; + } + + if (dcdcfreq == 0) + dcdcfreq = def; + + if (dcdcfreq < min) { + dcdcfreq = min; + dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n", + min); + } + + if (dcdcfreq > max) { + dcdcfreq = max; + dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n", + max); + } + + dcdcfreq = (dcdcfreq - min) / step; + + return regmap_update_bits(axp20x->regmap, reg, + AXP20X_FREQ_DCDC_MASK, dcdcfreq); +} + +static int axp20x_regulator_parse_dt(struct platform_device *pdev) +{ + struct device_node *np, *regulators; + int ret = 0; + u32 dcdcfreq = 0; + + np = of_node_get(pdev->dev.parent->of_node); + if (!np) + return 0; + + regulators = of_get_child_by_name(np, "regulators"); + if (!regulators) { + dev_warn(&pdev->dev, "regulators node not found\n"); + } else { + of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq); + ret = axp20x_set_dcdc_freq(pdev, dcdcfreq); + if (ret < 0) { + dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret); + } + of_node_put(regulators); + } + + of_node_put(np); + return ret; +} + +static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode) +{ + struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); + unsigned int reg = AXP20X_DCDC_MODE; + unsigned int mask; + + switch (axp20x->variant) { + case AXP202_ID: + case AXP209_ID: + if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3)) + return -EINVAL; + + mask = AXP20X_WORKMODE_DCDC2_MASK; + if (id == AXP20X_DCDC3) + mask = AXP20X_WORKMODE_DCDC3_MASK; + + workmode <<= ffs(mask) - 1; + break; + + case AXP806_ID: + /* + * AXP806 DCDC regulator IDs have the same range as AXP22X. + * (See include/linux/mfd/axp20x.h) + */ + reg = AXP806_DCDC_MODE_CTRL2; + fallthrough; /* to the check below */ + case AXP221_ID: + case AXP223_ID: + case AXP809_ID: + if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5) + return -EINVAL; + + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1); + workmode <<= id - AXP22X_DCDC1; + break; + + case AXP803_ID: + if (id < AXP803_DCDC1 || id > AXP803_DCDC6) + return -EINVAL; + + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1); + workmode <<= id - AXP803_DCDC1; + break; + + case AXP813_ID: + if (id < AXP813_DCDC1 || id > AXP813_DCDC7) + return -EINVAL; + + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP813_DCDC1); + workmode <<= id - AXP813_DCDC1; + break; + + default: + /* should not happen */ + WARN_ON(1); + return -EINVAL; + } + + return regmap_update_bits(rdev->regmap, reg, mask, workmode); +} + +/* + * This function checks whether a regulator is part of a poly-phase + * output setup based on the registers settings. Returns true if it is. + */ +static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id) +{ + u32 reg = 0; + + /* + * Currently in our supported AXP variants, only AXP803, AXP806, + * and AXP813 have polyphase regulators. + */ + switch (axp20x->variant) { + case AXP803_ID: + case AXP813_ID: + regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, ®); + + switch (id) { + case AXP803_DCDC3: + return !!(reg & AXP803_DCDC23_POLYPHASE_DUAL); + case AXP803_DCDC6: + return !!(reg & AXP803_DCDC56_POLYPHASE_DUAL); + } + break; + + case AXP806_ID: + regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, ®); + + switch (id) { + case AXP806_DCDCB: + return (((reg & AXP806_DCDCABC_POLYPHASE_MASK) == + AXP806_DCDCAB_POLYPHASE_DUAL) || + ((reg & AXP806_DCDCABC_POLYPHASE_MASK) == + AXP806_DCDCABC_POLYPHASE_TRI)); + case AXP806_DCDCC: + return ((reg & AXP806_DCDCABC_POLYPHASE_MASK) == + AXP806_DCDCABC_POLYPHASE_TRI); + case AXP806_DCDCE: + return !!(reg & AXP806_DCDCDE_POLYPHASE_DUAL); + } + break; + + default: + return false; + } + + return false; +} + +static int axp20x_regulator_probe(struct platform_device *pdev) +{ + struct regulator_dev *rdev; + struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); + const struct regulator_desc *regulators; + struct regulator_config config = { + .dev = pdev->dev.parent, + .regmap = axp20x->regmap, + .driver_data = axp20x, + }; + int ret, i, nregulators; + u32 workmode; + const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name; + const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name; + bool drivevbus = false; + + switch (axp20x->variant) { + case AXP202_ID: + case AXP209_ID: + regulators = axp20x_regulators; + nregulators = AXP20X_REG_ID_MAX; + break; + case AXP221_ID: + case AXP223_ID: + regulators = axp22x_regulators; + nregulators = AXP22X_REG_ID_MAX; + drivevbus = of_property_read_bool(pdev->dev.parent->of_node, + "x-powers,drive-vbus-en"); + break; + case AXP803_ID: + regulators = axp803_regulators; + nregulators = AXP803_REG_ID_MAX; + drivevbus = of_property_read_bool(pdev->dev.parent->of_node, + "x-powers,drive-vbus-en"); + break; + case AXP806_ID: + regulators = axp806_regulators; + nregulators = AXP806_REG_ID_MAX; + break; + case AXP809_ID: + regulators = axp809_regulators; + nregulators = AXP809_REG_ID_MAX; + break; + case AXP813_ID: + regulators = axp813_regulators; + nregulators = AXP813_REG_ID_MAX; + drivevbus = of_property_read_bool(pdev->dev.parent->of_node, + "x-powers,drive-vbus-en"); + break; + default: + dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n", + axp20x->variant); + return -EINVAL; + } + + /* This only sets the dcdc freq. Ignore any errors */ + axp20x_regulator_parse_dt(pdev); + + for (i = 0; i < nregulators; i++) { + const struct regulator_desc *desc = ®ulators[i]; + struct regulator_desc *new_desc; + + /* + * If this regulator is a slave in a poly-phase setup, + * skip it, as its controls are bound to the master + * regulator and won't work. + */ + if (axp20x_is_polyphase_slave(axp20x, i)) + continue; + + /* Support for AXP813's FLDO3 is not implemented */ + if (axp20x->variant == AXP813_ID && i == AXP813_FLDO3) + continue; + + /* + * Regulators DC1SW and DC5LDO are connected internally, + * so we have to handle their supply names separately. + * + * We always register the regulators in proper sequence, + * so the supply names are correctly read. See the last + * part of this loop to see where we save the DT defined + * name. + */ + if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) || + (regulators == axp803_regulators && i == AXP803_DC1SW) || + (regulators == axp809_regulators && i == AXP809_DC1SW)) { + new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), + GFP_KERNEL); + if (!new_desc) + return -ENOMEM; + + *new_desc = regulators[i]; + new_desc->supply_name = dcdc1_name; + desc = new_desc; + } + + if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) || + (regulators == axp809_regulators && i == AXP809_DC5LDO)) { + new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), + GFP_KERNEL); + if (!new_desc) + return -ENOMEM; + + *new_desc = regulators[i]; + new_desc->supply_name = dcdc5_name; + desc = new_desc; + } + + rdev = devm_regulator_register(&pdev->dev, desc, &config); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "Failed to register %s\n", + regulators[i].name); + + return PTR_ERR(rdev); + } + + ret = of_property_read_u32(rdev->dev.of_node, + "x-powers,dcdc-workmode", + &workmode); + if (!ret) { + if (axp20x_set_dcdc_workmode(rdev, i, workmode)) + dev_err(&pdev->dev, "Failed to set workmode on %s\n", + rdev->desc->name); + } + + /* + * Save AXP22X DCDC1 / DCDC5 regulator names for later. + */ + if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) || + (regulators == axp809_regulators && i == AXP809_DCDC1)) + of_property_read_string(rdev->dev.of_node, + "regulator-name", + &dcdc1_name); + + if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) || + (regulators == axp809_regulators && i == AXP809_DCDC5)) + of_property_read_string(rdev->dev.of_node, + "regulator-name", + &dcdc5_name); + } + + if (drivevbus) { + /* Change N_VBUSEN sense pin to DRIVEVBUS output pin */ + regmap_update_bits(axp20x->regmap, AXP20X_OVER_TMP, + AXP22X_MISC_N_VBUSEN_FUNC, 0); + rdev = devm_regulator_register(&pdev->dev, + &axp22x_drivevbus_regulator, + &config); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "Failed to register drivevbus\n"); + return PTR_ERR(rdev); + } + } + + return 0; +} + +static struct platform_driver axp20x_regulator_driver = { + .probe = axp20x_regulator_probe, + .driver = { + .name = "axp20x-regulator", + }, +}; + +module_platform_driver(axp20x_regulator_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); +MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC"); +MODULE_ALIAS("platform:axp20x-regulator"); |