| /* |
| * AXP20x regulators driver. |
| * |
| * Copyright (C) 2013 Carlo Caione <[email protected]> |
| * |
| * 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_LDO24_V_OUT_MASK GENMASK(7, 4) |
| #define AXP20X_LDO3_V_OUT_MASK GENMASK(6, 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 : |
| !AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN; |
| 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 : |
| !AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN; |
| break; |
| } |
| |
| if (rate_count > 0) |
| break; |
| |
| /* fall through */ |
| 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]) |
| cfg = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(i); |
| else |
| break; |
| } |
| |
| 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 regulator_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_LDO24_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_LDO24_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_PWR_OUT_DLDO2_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_ELDO1_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 regulator_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 regulator_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 regulator_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 regulator_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 regulator_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 regulator_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 regulator_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; |
| /* Fall through - 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; |
| /* Fall through */ |
| 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; |
| 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); |
| return ret; |
| } |
| |
| of_node_put(regulators); |
| } |
| |
| return 0; |
| } |
| |
| 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; |
| /* Fall through - 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 <[email protected]>"); |
| MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC"); |
| MODULE_ALIAS("platform:axp20x-regulator"); |
