| // SPDX-License-Identifier: GPL-2.0 |
| // Copyright (C) 2018 ROHM Semiconductors |
| // bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver |
| |
| #include <linux/delay.h> |
| #include <linux/err.h> |
| #include <linux/gpio.h> |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/mfd/rohm-bd718x7.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/driver.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/of_regulator.h> |
| #include <linux/slab.h> |
| |
| /* |
| * BUCK1/2/3/4 |
| * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting |
| * 00: 10.00mV/usec 10mV 1uS |
| * 01: 5.00mV/usec 10mV 2uS |
| * 10: 2.50mV/usec 10mV 4uS |
| * 11: 1.25mV/usec 10mV 8uS |
| */ |
| static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev, |
| int ramp_delay) |
| { |
| int id = rdev->desc->id; |
| unsigned int ramp_value = BUCK_RAMPRATE_10P00MV; |
| |
| dev_dbg(&rdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1, |
| ramp_delay); |
| switch (ramp_delay) { |
| case 1 ... 1250: |
| ramp_value = BUCK_RAMPRATE_1P25MV; |
| break; |
| case 1251 ... 2500: |
| ramp_value = BUCK_RAMPRATE_2P50MV; |
| break; |
| case 2501 ... 5000: |
| ramp_value = BUCK_RAMPRATE_5P00MV; |
| break; |
| case 5001 ... 10000: |
| ramp_value = BUCK_RAMPRATE_10P00MV; |
| break; |
| default: |
| ramp_value = BUCK_RAMPRATE_10P00MV; |
| dev_err(&rdev->dev, |
| "%s: ramp_delay: %d not supported, setting 10000mV//us\n", |
| rdev->desc->name, ramp_delay); |
| } |
| |
| return regmap_update_bits(rdev->regmap, BD718XX_REG_BUCK1_CTRL + id, |
| BUCK_RAMPRATE_MASK, ramp_value << 6); |
| } |
| |
| /* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed. |
| * Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage |
| * is changed. Hence we return -EBUSY for these if voltage is changed |
| * when BUCK/LDO is enabled. |
| */ |
| static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev, |
| unsigned int sel) |
| { |
| if (regulator_is_enabled_regmap(rdev)) |
| return -EBUSY; |
| |
| return regulator_set_voltage_sel_regmap(rdev, sel); |
| } |
| |
| static int bd718xx_set_voltage_sel_pickable_restricted( |
| struct regulator_dev *rdev, unsigned int sel) |
| { |
| if (regulator_is_enabled_regmap(rdev)) |
| return -EBUSY; |
| |
| return regulator_set_voltage_sel_pickable_regmap(rdev, sel); |
| } |
| |
| static struct regulator_ops bd718xx_pickable_range_ldo_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_pickable_linear_range, |
| .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted, |
| .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, |
| }; |
| |
| static struct regulator_ops bd718xx_pickable_range_buck_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_pickable_linear_range, |
| .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted, |
| .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| }; |
| |
| static struct regulator_ops bd718xx_ldo_regulator_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_linear_range, |
| .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| }; |
| |
| static struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_table, |
| .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| }; |
| |
| static struct regulator_ops bd718xx_buck_regulator_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_linear_range, |
| .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| }; |
| |
| static struct regulator_ops bd718xx_buck_regulator_nolinear_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_table, |
| .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| }; |
| |
| static struct regulator_ops bd718xx_dvs_buck_regulator_ops = { |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .is_enabled = regulator_is_enabled_regmap, |
| .list_voltage = regulator_list_voltage_linear_range, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| .set_ramp_delay = bd718xx_buck1234_set_ramp_delay, |
| }; |
| |
| /* |
| * BD71837 BUCK1/2/3/4 |
| * BD71847 BUCK1/2 |
| * 0.70 to 1.30V (10mV step) |
| */ |
| static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = { |
| REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000), |
| REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0), |
| }; |
| |
| /* |
| * BD71837 BUCK5 |
| * 0.7V to 1.35V (range 0) |
| * and |
| * 0.675 to 1.325 (range 1) |
| */ |
| static const struct regulator_linear_range bd71837_buck5_volts[] = { |
| /* Ranges when VOLT_SEL bit is 0 */ |
| REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), |
| REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), |
| REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), |
| /* Ranges when VOLT_SEL bit is 1 */ |
| REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), |
| REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), |
| REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), |
| }; |
| |
| /* |
| * Range selector for first 3 linear ranges is 0x0 |
| * and 0x1 for last 3 ranges. |
| */ |
| static const unsigned int bd71837_buck5_volt_range_sel[] = { |
| 0x0, 0x0, 0x0, 0x80, 0x80, 0x80 |
| }; |
| |
| /* |
| * BD71847 BUCK3 |
| */ |
| static const struct regulator_linear_range bd71847_buck3_volts[] = { |
| /* Ranges when VOLT_SEL bits are 00 */ |
| REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), |
| REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), |
| REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), |
| /* Ranges when VOLT_SEL bits are 01 */ |
| REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000), |
| /* Ranges when VOLT_SEL bits are 11 */ |
| REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), |
| REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), |
| REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), |
| }; |
| |
| static const unsigned int bd71847_buck3_volt_range_sel[] = { |
| 0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80 |
| }; |
| |
| static const struct regulator_linear_range bd71847_buck4_volts[] = { |
| REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), |
| REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000), |
| }; |
| |
| static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 }; |
| |
| /* |
| * BUCK6 |
| * 3.0V to 3.3V (step 100mV) |
| */ |
| static const struct regulator_linear_range bd71837_buck6_volts[] = { |
| REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), |
| }; |
| |
| /* |
| * BD71837 BUCK7 |
| * BD71847 BUCK5 |
| * 000 = 1.605V |
| * 001 = 1.695V |
| * 010 = 1.755V |
| * 011 = 1.8V (Initial) |
| * 100 = 1.845V |
| * 101 = 1.905V |
| * 110 = 1.95V |
| * 111 = 1.995V |
| */ |
| static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = { |
| 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000 |
| }; |
| |
| /* |
| * BUCK8 |
| * 0.8V to 1.40V (step 10mV) |
| */ |
| static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = { |
| REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000), |
| }; |
| |
| /* |
| * LDO1 |
| * 3.0 to 3.3V (100mV step) |
| */ |
| static const struct regulator_linear_range bd718xx_ldo1_volts[] = { |
| REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), |
| REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000), |
| }; |
| |
| static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 }; |
| |
| /* |
| * LDO2 |
| * 0.8 or 0.9V |
| */ |
| static const unsigned int ldo_2_volts[] = { |
| 900000, 800000 |
| }; |
| |
| /* |
| * LDO3 |
| * 1.8 to 3.3V (100mV step) |
| */ |
| static const struct regulator_linear_range bd718xx_ldo3_volts[] = { |
| REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
| }; |
| |
| /* |
| * LDO4 |
| * 0.9 to 1.8V (100mV step) |
| */ |
| static const struct regulator_linear_range bd718xx_ldo4_volts[] = { |
| REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), |
| }; |
| |
| /* |
| * LDO5 for BD71837 |
| * 1.8 to 3.3V (100mV step) |
| */ |
| static const struct regulator_linear_range bd71837_ldo5_volts[] = { |
| REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
| }; |
| |
| /* |
| * LDO5 for BD71837 |
| * 1.8 to 3.3V (100mV step) |
| */ |
| static const struct regulator_linear_range bd71847_ldo5_volts[] = { |
| REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
| REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000), |
| }; |
| |
| static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 }; |
| |
| /* |
| * LDO6 |
| * 0.9 to 1.8V (100mV step) |
| */ |
| static const struct regulator_linear_range bd718xx_ldo6_volts[] = { |
| REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), |
| }; |
| |
| /* |
| * LDO7 |
| * 1.8 to 3.3V (100mV step) |
| */ |
| static const struct regulator_linear_range bd71837_ldo7_volts[] = { |
| REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
| }; |
| |
| struct reg_init { |
| unsigned int reg; |
| unsigned int mask; |
| unsigned int val; |
| }; |
| struct bd718xx_regulator_data { |
| struct regulator_desc desc; |
| const struct reg_init init; |
| const struct reg_init *additional_inits; |
| int additional_init_amnt; |
| }; |
| |
| /* |
| * There is a HW quirk in BD71837. The shutdown sequence timings for |
| * bucks/LDOs which are controlled via register interface are changed. |
| * At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the |
| * beginning of shut-down sequence. As bucks 6 and 7 are parent |
| * supplies for LDO5 and LDO6 - this causes LDO5/6 voltage |
| * monitoring to errorneously detect under voltage and force PMIC to |
| * emergency state instead of poweroff. In order to avoid this we |
| * disable voltage monitoring for LDO5 and LDO6 |
| */ |
| static const struct reg_init bd71837_ldo5_inits[] = { |
| { |
| .reg = BD718XX_REG_MVRFLTMASK2, |
| .mask = BD718XX_LDO5_VRMON80, |
| .val = BD718XX_LDO5_VRMON80, |
| }, |
| }; |
| |
| static const struct reg_init bd71837_ldo6_inits[] = { |
| { |
| .reg = BD718XX_REG_MVRFLTMASK2, |
| .mask = BD718XX_LDO6_VRMON80, |
| .val = BD718XX_LDO6_VRMON80, |
| }, |
| }; |
| |
| static const struct bd718xx_regulator_data bd71847_regulators[] = { |
| { |
| .desc = { |
| .name = "buck1", |
| .of_match = of_match_ptr("BUCK1"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK1, |
| .ops = &bd718xx_dvs_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_dvs_buck_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd718xx_dvs_buck_volts), |
| .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, |
| .vsel_mask = DVS_BUCK_RUN_MASK, |
| .enable_reg = BD718XX_REG_BUCK1_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_BUCK1_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck2", |
| .of_match = of_match_ptr("BUCK2"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK2, |
| .ops = &bd718xx_dvs_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_dvs_buck_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), |
| .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, |
| .vsel_mask = DVS_BUCK_RUN_MASK, |
| .enable_reg = BD718XX_REG_BUCK2_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_BUCK2_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck3", |
| .of_match = of_match_ptr("BUCK3"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK3, |
| .ops = &bd718xx_pickable_range_buck_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71847_BUCK3_VOLTAGE_NUM, |
| .linear_ranges = bd71847_buck3_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd71847_buck3_volts), |
| .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
| .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK, |
| .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
| .vsel_range_mask = BD71847_BUCK3_RANGE_MASK, |
| .linear_range_selectors = bd71847_buck3_volt_range_sel, |
| .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck4", |
| .of_match = of_match_ptr("BUCK4"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK4, |
| .ops = &bd718xx_pickable_range_buck_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71847_BUCK4_VOLTAGE_NUM, |
| .linear_ranges = bd71847_buck4_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd71847_buck4_volts), |
| .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, |
| .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, |
| .vsel_mask = BD71847_BUCK4_MASK, |
| .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, |
| .vsel_range_mask = BD71847_BUCK4_RANGE_MASK, |
| .linear_range_selectors = bd71847_buck4_volt_range_sel, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck5", |
| .of_match = of_match_ptr("BUCK5"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK5, |
| .ops = &bd718xx_buck_regulator_nolinear_ops, |
| .type = REGULATOR_VOLTAGE, |
| .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], |
| .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), |
| .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, |
| .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, |
| .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck6", |
| .of_match = of_match_ptr("BUCK6"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK6, |
| .ops = &bd718xx_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_4th_nodvs_buck_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), |
| .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, |
| .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, |
| .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo1", |
| .of_match = of_match_ptr("LDO1"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO1, |
| .ops = &bd718xx_pickable_range_ldo_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo1_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), |
| .vsel_reg = BD718XX_REG_LDO1_VOLT, |
| .vsel_mask = BD718XX_LDO1_MASK, |
| .vsel_range_reg = BD718XX_REG_LDO1_VOLT, |
| .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, |
| .linear_range_selectors = bd718xx_ldo1_volt_range_sel, |
| .enable_reg = BD718XX_REG_LDO1_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO1_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo2", |
| .of_match = of_match_ptr("LDO2"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO2, |
| .ops = &bd718xx_ldo_regulator_nolinear_ops, |
| .type = REGULATOR_VOLTAGE, |
| .volt_table = &ldo_2_volts[0], |
| .vsel_reg = BD718XX_REG_LDO2_VOLT, |
| .vsel_mask = BD718XX_LDO2_MASK, |
| .n_voltages = ARRAY_SIZE(ldo_2_volts), |
| .enable_reg = BD718XX_REG_LDO2_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO2_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo3", |
| .of_match = of_match_ptr("LDO3"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO3, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo3_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), |
| .vsel_reg = BD718XX_REG_LDO3_VOLT, |
| .vsel_mask = BD718XX_LDO3_MASK, |
| .enable_reg = BD718XX_REG_LDO3_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO3_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo4", |
| .of_match = of_match_ptr("LDO4"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO4, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo4_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), |
| .vsel_reg = BD718XX_REG_LDO4_VOLT, |
| .vsel_mask = BD718XX_LDO4_MASK, |
| .enable_reg = BD718XX_REG_LDO4_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO4_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo5", |
| .of_match = of_match_ptr("LDO5"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO5, |
| .ops = &bd718xx_pickable_range_ldo_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71847_LDO5_VOLTAGE_NUM, |
| .linear_ranges = bd71847_ldo5_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts), |
| .vsel_reg = BD718XX_REG_LDO5_VOLT, |
| .vsel_mask = BD71847_LDO5_MASK, |
| .vsel_range_reg = BD718XX_REG_LDO5_VOLT, |
| .vsel_range_mask = BD71847_LDO5_RANGE_MASK, |
| .linear_range_selectors = bd71847_ldo5_volt_range_sel, |
| .enable_reg = BD718XX_REG_LDO5_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO5_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo6", |
| .of_match = of_match_ptr("LDO6"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO6, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo6_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), |
| /* LDO6 is supplied by buck5 */ |
| .supply_name = "buck5", |
| .vsel_reg = BD718XX_REG_LDO6_VOLT, |
| .vsel_mask = BD718XX_LDO6_MASK, |
| .enable_reg = BD718XX_REG_LDO6_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO6_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| }; |
| |
| static const struct bd718xx_regulator_data bd71837_regulators[] = { |
| { |
| .desc = { |
| .name = "buck1", |
| .of_match = of_match_ptr("BUCK1"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK1, |
| .ops = &bd718xx_dvs_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_dvs_buck_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), |
| .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, |
| .vsel_mask = DVS_BUCK_RUN_MASK, |
| .enable_reg = BD718XX_REG_BUCK1_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_BUCK1_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck2", |
| .of_match = of_match_ptr("BUCK2"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK2, |
| .ops = &bd718xx_dvs_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_dvs_buck_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), |
| .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, |
| .vsel_mask = DVS_BUCK_RUN_MASK, |
| .enable_reg = BD718XX_REG_BUCK2_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_BUCK2_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck3", |
| .of_match = of_match_ptr("BUCK3"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK3, |
| .ops = &bd718xx_dvs_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_dvs_buck_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), |
| .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN, |
| .vsel_mask = DVS_BUCK_RUN_MASK, |
| .enable_reg = BD71837_REG_BUCK3_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD71837_REG_BUCK3_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck4", |
| .of_match = of_match_ptr("BUCK4"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK4, |
| .ops = &bd718xx_dvs_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_dvs_buck_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), |
| .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN, |
| .vsel_mask = DVS_BUCK_RUN_MASK, |
| .enable_reg = BD71837_REG_BUCK4_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD71837_REG_BUCK4_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck5", |
| .of_match = of_match_ptr("BUCK5"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK5, |
| .ops = &bd718xx_pickable_range_buck_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71837_BUCK5_VOLTAGE_NUM, |
| .linear_ranges = bd71837_buck5_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd71837_buck5_volts), |
| .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
| .vsel_mask = BD71837_BUCK5_MASK, |
| .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
| .vsel_range_mask = BD71837_BUCK5_RANGE_MASK, |
| .linear_range_selectors = bd71837_buck5_volt_range_sel, |
| .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck6", |
| .of_match = of_match_ptr("BUCK6"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK6, |
| .ops = &bd718xx_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71837_BUCK6_VOLTAGE_NUM, |
| .linear_ranges = bd71837_buck6_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd71837_buck6_volts), |
| .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, |
| .vsel_mask = BD71837_BUCK6_MASK, |
| .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck7", |
| .of_match = of_match_ptr("BUCK7"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK7, |
| .ops = &bd718xx_buck_regulator_nolinear_ops, |
| .type = REGULATOR_VOLTAGE, |
| .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], |
| .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), |
| .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, |
| .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, |
| .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "buck8", |
| .of_match = of_match_ptr("BUCK8"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_BUCK8, |
| .ops = &bd718xx_buck_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_4th_nodvs_buck_volts, |
| .n_linear_ranges = |
| ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), |
| .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, |
| .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, |
| .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, |
| .enable_mask = BD718XX_BUCK_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, |
| .mask = BD718XX_BUCK_SEL, |
| .val = BD718XX_BUCK_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo1", |
| .of_match = of_match_ptr("LDO1"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO1, |
| .ops = &bd718xx_pickable_range_ldo_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo1_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), |
| .vsel_reg = BD718XX_REG_LDO1_VOLT, |
| .vsel_mask = BD718XX_LDO1_MASK, |
| .vsel_range_reg = BD718XX_REG_LDO1_VOLT, |
| .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, |
| .linear_range_selectors = bd718xx_ldo1_volt_range_sel, |
| .enable_reg = BD718XX_REG_LDO1_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO1_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo2", |
| .of_match = of_match_ptr("LDO2"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO2, |
| .ops = &bd718xx_ldo_regulator_nolinear_ops, |
| .type = REGULATOR_VOLTAGE, |
| .volt_table = &ldo_2_volts[0], |
| .vsel_reg = BD718XX_REG_LDO2_VOLT, |
| .vsel_mask = BD718XX_LDO2_MASK, |
| .n_voltages = ARRAY_SIZE(ldo_2_volts), |
| .enable_reg = BD718XX_REG_LDO2_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO2_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo3", |
| .of_match = of_match_ptr("LDO3"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO3, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo3_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), |
| .vsel_reg = BD718XX_REG_LDO3_VOLT, |
| .vsel_mask = BD718XX_LDO3_MASK, |
| .enable_reg = BD718XX_REG_LDO3_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO3_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo4", |
| .of_match = of_match_ptr("LDO4"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO4, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo4_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), |
| .vsel_reg = BD718XX_REG_LDO4_VOLT, |
| .vsel_mask = BD718XX_LDO4_MASK, |
| .enable_reg = BD718XX_REG_LDO4_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO4_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| { |
| .desc = { |
| .name = "ldo5", |
| .of_match = of_match_ptr("LDO5"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO5, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71837_LDO5_VOLTAGE_NUM, |
| .linear_ranges = bd71837_ldo5_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts), |
| /* LDO5 is supplied by buck6 */ |
| .supply_name = "buck6", |
| .vsel_reg = BD718XX_REG_LDO5_VOLT, |
| .vsel_mask = BD71837_LDO5_MASK, |
| .enable_reg = BD718XX_REG_LDO5_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO5_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| .additional_inits = bd71837_ldo5_inits, |
| .additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits), |
| }, |
| { |
| .desc = { |
| .name = "ldo6", |
| .of_match = of_match_ptr("LDO6"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO6, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, |
| .linear_ranges = bd718xx_ldo6_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), |
| /* LDO6 is supplied by buck7 */ |
| .supply_name = "buck7", |
| .vsel_reg = BD718XX_REG_LDO6_VOLT, |
| .vsel_mask = BD718XX_LDO6_MASK, |
| .enable_reg = BD718XX_REG_LDO6_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD718XX_REG_LDO6_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| .additional_inits = bd71837_ldo6_inits, |
| .additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits), |
| }, |
| { |
| .desc = { |
| .name = "ldo7", |
| .of_match = of_match_ptr("LDO7"), |
| .regulators_node = of_match_ptr("regulators"), |
| .id = BD718XX_LDO7, |
| .ops = &bd718xx_ldo_regulator_ops, |
| .type = REGULATOR_VOLTAGE, |
| .n_voltages = BD71837_LDO7_VOLTAGE_NUM, |
| .linear_ranges = bd71837_ldo7_volts, |
| .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts), |
| .vsel_reg = BD71837_REG_LDO7_VOLT, |
| .vsel_mask = BD71837_LDO7_MASK, |
| .enable_reg = BD71837_REG_LDO7_VOLT, |
| .enable_mask = BD718XX_LDO_EN, |
| .owner = THIS_MODULE, |
| }, |
| .init = { |
| .reg = BD71837_REG_LDO7_VOLT, |
| .mask = BD718XX_LDO_SEL, |
| .val = BD718XX_LDO_SEL, |
| }, |
| }, |
| }; |
| |
| struct bd718xx_pmic_inits { |
| const struct bd718xx_regulator_data (*r_datas)[]; |
| unsigned int r_amount; |
| }; |
| |
| static int bd718xx_probe(struct platform_device *pdev) |
| { |
| struct bd718xx *mfd; |
| struct regulator_config config = { 0 }; |
| struct bd718xx_pmic_inits pmic_regulators[] = { |
| [BD718XX_TYPE_BD71837] = { |
| .r_datas = &bd71837_regulators, |
| .r_amount = ARRAY_SIZE(bd71837_regulators), |
| }, |
| [BD718XX_TYPE_BD71847] = { |
| .r_datas = &bd71847_regulators, |
| .r_amount = ARRAY_SIZE(bd71847_regulators), |
| }, |
| }; |
| |
| int i, j, err; |
| |
| mfd = dev_get_drvdata(pdev->dev.parent); |
| if (!mfd) { |
| dev_err(&pdev->dev, "No MFD driver data\n"); |
| err = -EINVAL; |
| goto err; |
| } |
| |
| if (mfd->chip_type >= BD718XX_TYPE_AMOUNT || |
| !pmic_regulators[mfd->chip_type].r_datas) { |
| dev_err(&pdev->dev, "Unsupported chip type\n"); |
| err = -EINVAL; |
| goto err; |
| } |
| |
| /* Register LOCK release */ |
| err = regmap_update_bits(mfd->regmap, BD718XX_REG_REGLOCK, |
| (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); |
| if (err) { |
| dev_err(&pdev->dev, "Failed to unlock PMIC (%d)\n", err); |
| goto err; |
| } else { |
| dev_dbg(&pdev->dev, "Unlocked lock register 0x%x\n", |
| BD718XX_REG_REGLOCK); |
| } |
| |
| for (i = 0; i < pmic_regulators[mfd->chip_type].r_amount; i++) { |
| |
| const struct regulator_desc *desc; |
| struct regulator_dev *rdev; |
| const struct bd718xx_regulator_data *r; |
| |
| r = &(*pmic_regulators[mfd->chip_type].r_datas)[i]; |
| desc = &r->desc; |
| |
| config.dev = pdev->dev.parent; |
| config.regmap = mfd->regmap; |
| |
| rdev = devm_regulator_register(&pdev->dev, desc, &config); |
| if (IS_ERR(rdev)) { |
| dev_err(&pdev->dev, |
| "failed to register %s regulator\n", |
| desc->name); |
| err = PTR_ERR(rdev); |
| goto err; |
| } |
| /* Regulator register gets the regulator constraints and |
| * applies them (set_machine_constraints). This should have |
| * turned the control register(s) to correct values and we |
| * can now switch the control from PMIC state machine to the |
| * register interface |
| */ |
| err = regmap_update_bits(mfd->regmap, r->init.reg, |
| r->init.mask, r->init.val); |
| if (err) { |
| dev_err(&pdev->dev, |
| "Failed to write BUCK/LDO SEL bit for (%s)\n", |
| desc->name); |
| goto err; |
| } |
| for (j = 0; j < r->additional_init_amnt; j++) { |
| err = regmap_update_bits(mfd->regmap, |
| r->additional_inits[j].reg, |
| r->additional_inits[j].mask, |
| r->additional_inits[j].val); |
| if (err) { |
| dev_err(&pdev->dev, |
| "Buck (%s) initialization failed\n", |
| desc->name); |
| goto err; |
| } |
| } |
| } |
| |
| err: |
| return err; |
| } |
| |
| static struct platform_driver bd718xx_regulator = { |
| .driver = { |
| .name = "bd718xx-pmic", |
| }, |
| .probe = bd718xx_probe, |
| }; |
| |
| module_platform_driver(bd718xx_regulator); |
| |
| MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); |
| MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver"); |
| MODULE_LICENSE("GPL"); |
