diff options
Diffstat (limited to 'drivers/regulator/bd71837-regulator.c')
| -rw-r--r-- | drivers/regulator/bd71837-regulator.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/drivers/regulator/bd71837-regulator.c b/drivers/regulator/bd71837-regulator.c deleted file mode 100644 index a1bd8aaf4d98..000000000000 --- a/drivers/regulator/bd71837-regulator.c +++ /dev/null @@ -1,645 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (C) 2018 ROHM Semiconductors -// bd71837-regulator.c ROHM BD71837MWV 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> - -struct bd71837_pmic { - struct regulator_desc descs[BD71837_REGULATOR_CNT]; - struct bd71837 *mfd; - struct platform_device *pdev; - struct regulator_dev *rdev[BD71837_REGULATOR_CNT]; -}; - -/* - * 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 bd71837_buck1234_set_ramp_delay(struct regulator_dev *rdev, - int ramp_delay) -{ - struct bd71837_pmic *pmic = rdev_get_drvdata(rdev); - struct bd71837 *mfd = pmic->mfd; - int id = rdev->desc->id; - unsigned int ramp_value = BUCK_RAMPRATE_10P00MV; - - dev_dbg(&pmic->pdev->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(&pmic->pdev->dev, - "%s: ramp_delay: %d not supported, setting 10000mV//us\n", - rdev->desc->name, ramp_delay); - } - - return regmap_update_bits(mfd->regmap, BD71837_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 bd71837_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 struct regulator_ops bd71837_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 = bd71837_set_voltage_sel_restricted, - .get_voltage_sel = regulator_get_voltage_sel_regmap, -}; - -static struct regulator_ops bd71837_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 = bd71837_set_voltage_sel_restricted, - .get_voltage_sel = regulator_get_voltage_sel_regmap, -}; - -static struct regulator_ops bd71837_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 = bd71837_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 bd71837_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 = bd71837_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 bd71837_buck1234_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 = bd71837_buck1234_set_ramp_delay, -}; - -/* - * BUCK1/2/3/4 - * 0.70 to 1.30V (10mV step) - */ -static const struct regulator_linear_range bd71837_buck1234_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000), - REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0), -}; - -/* - * BUCK5 - * 0.9V to 1.35V () - */ -static const struct regulator_linear_range bd71837_buck5_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), - REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), - REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), -}; - -/* - * BUCK6 - * 3.0V to 3.3V (step 100mV) - */ -static const struct regulator_linear_range bd71837_buck6_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), -}; - -/* - * BUCK7 - * 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 buck_7_volts[] = { - 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000 -}; - -/* - * BUCK8 - * 0.8V to 1.40V (step 10mV) - */ -static const struct regulator_linear_range bd71837_buck8_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000), - REGULATOR_LINEAR_RANGE(1400000, 0x3D, 0x3F, 0), -}; - -/* - * LDO1 - * 3.0 to 3.3V (100mV step) - */ -static const struct regulator_linear_range bd71837_ldo1_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), -}; - -/* - * 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 bd71837_ldo3_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), -}; - -/* - * LDO4 - * 0.9 to 1.8V (100mV step) - */ -static const struct regulator_linear_range bd71837_ldo4_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), - REGULATOR_LINEAR_RANGE(1800000, 0x0A, 0x0F, 0), -}; - -/* - * LDO5 - * 1.8 to 3.3V (100mV step) - */ -static const struct regulator_linear_range bd71837_ldo5_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), -}; - -/* - * LDO6 - * 0.9 to 1.8V (100mV step) - */ -static const struct regulator_linear_range bd71837_ldo6_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), - REGULATOR_LINEAR_RANGE(1800000, 0x0A, 0x0F, 0), -}; - -/* - * LDO7 - * 1.8 to 3.3V (100mV step) - */ -static const struct regulator_linear_range bd71837_ldo7_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), -}; - -static const struct regulator_desc bd71837_regulators[] = { - { - .name = "buck1", - .of_match = of_match_ptr("BUCK1"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK1, - .ops = &bd71837_buck1234_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK1_VOLTAGE_NUM, - .linear_ranges = bd71837_buck1234_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK1_VOLT_RUN, - .vsel_mask = BUCK1_RUN_MASK, - .enable_reg = BD71837_REG_BUCK1_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck2", - .of_match = of_match_ptr("BUCK2"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK2, - .ops = &bd71837_buck1234_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK2_VOLTAGE_NUM, - .linear_ranges = bd71837_buck1234_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK2_VOLT_RUN, - .vsel_mask = BUCK2_RUN_MASK, - .enable_reg = BD71837_REG_BUCK2_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck3", - .of_match = of_match_ptr("BUCK3"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK3, - .ops = &bd71837_buck1234_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK3_VOLTAGE_NUM, - .linear_ranges = bd71837_buck1234_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN, - .vsel_mask = BUCK3_RUN_MASK, - .enable_reg = BD71837_REG_BUCK3_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck4", - .of_match = of_match_ptr("BUCK4"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK4, - .ops = &bd71837_buck1234_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK4_VOLTAGE_NUM, - .linear_ranges = bd71837_buck1234_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck1234_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN, - .vsel_mask = BUCK4_RUN_MASK, - .enable_reg = BD71837_REG_BUCK4_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck5", - .of_match = of_match_ptr("BUCK5"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK5, - .ops = &bd71837_buck_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK5_VOLTAGE_NUM, - .linear_ranges = bd71837_buck5_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck5_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK5_VOLT, - .vsel_mask = BUCK5_MASK, - .enable_reg = BD71837_REG_BUCK5_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck6", - .of_match = of_match_ptr("BUCK6"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK6, - .ops = &bd71837_buck_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK6_VOLTAGE_NUM, - .linear_ranges = bd71837_buck6_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck6_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK6_VOLT, - .vsel_mask = BUCK6_MASK, - .enable_reg = BD71837_REG_BUCK6_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck7", - .of_match = of_match_ptr("BUCK7"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK7, - .ops = &bd71837_buck_regulator_nolinear_ops, - .type = REGULATOR_VOLTAGE, - .volt_table = &buck_7_volts[0], - .n_voltages = ARRAY_SIZE(buck_7_volts), - .vsel_reg = BD71837_REG_BUCK7_VOLT, - .vsel_mask = BUCK7_MASK, - .enable_reg = BD71837_REG_BUCK7_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "buck8", - .of_match = of_match_ptr("BUCK8"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_BUCK8, - .ops = &bd71837_buck_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_BUCK8_VOLTAGE_NUM, - .linear_ranges = bd71837_buck8_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_buck8_voltage_ranges), - .vsel_reg = BD71837_REG_BUCK8_VOLT, - .vsel_mask = BUCK8_MASK, - .enable_reg = BD71837_REG_BUCK8_CTRL, - .enable_mask = BD71837_BUCK_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo1", - .of_match = of_match_ptr("LDO1"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO1, - .ops = &bd71837_ldo_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_LDO1_VOLTAGE_NUM, - .linear_ranges = bd71837_ldo1_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_ldo1_voltage_ranges), - .vsel_reg = BD71837_REG_LDO1_VOLT, - .vsel_mask = LDO1_MASK, - .enable_reg = BD71837_REG_LDO1_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo2", - .of_match = of_match_ptr("LDO2"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO2, - .ops = &bd71837_ldo_regulator_nolinear_ops, - .type = REGULATOR_VOLTAGE, - .volt_table = &ldo_2_volts[0], - .vsel_reg = BD71837_REG_LDO2_VOLT, - .vsel_mask = LDO2_MASK, - .n_voltages = ARRAY_SIZE(ldo_2_volts), - .n_voltages = BD71837_LDO2_VOLTAGE_NUM, - .enable_reg = BD71837_REG_LDO2_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo3", - .of_match = of_match_ptr("LDO3"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO3, - .ops = &bd71837_ldo_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_LDO3_VOLTAGE_NUM, - .linear_ranges = bd71837_ldo3_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_ldo3_voltage_ranges), - .vsel_reg = BD71837_REG_LDO3_VOLT, - .vsel_mask = LDO3_MASK, - .enable_reg = BD71837_REG_LDO3_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo4", - .of_match = of_match_ptr("LDO4"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO4, - .ops = &bd71837_ldo_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_LDO4_VOLTAGE_NUM, - .linear_ranges = bd71837_ldo4_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_ldo4_voltage_ranges), - .vsel_reg = BD71837_REG_LDO4_VOLT, - .vsel_mask = LDO4_MASK, - .enable_reg = BD71837_REG_LDO4_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo5", - .of_match = of_match_ptr("LDO5"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO5, - .ops = &bd71837_ldo_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_LDO5_VOLTAGE_NUM, - .linear_ranges = bd71837_ldo5_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_voltage_ranges), - /* LDO5 is supplied by buck6 */ - .supply_name = "buck6", - .vsel_reg = BD71837_REG_LDO5_VOLT, - .vsel_mask = LDO5_MASK, - .enable_reg = BD71837_REG_LDO5_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo6", - .of_match = of_match_ptr("LDO6"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO6, - .ops = &bd71837_ldo_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_LDO6_VOLTAGE_NUM, - .linear_ranges = bd71837_ldo6_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_ldo6_voltage_ranges), - /* LDO6 is supplied by buck7 */ - .supply_name = "buck7", - .vsel_reg = BD71837_REG_LDO6_VOLT, - .vsel_mask = LDO6_MASK, - .enable_reg = BD71837_REG_LDO6_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, - { - .name = "ldo7", - .of_match = of_match_ptr("LDO7"), - .regulators_node = of_match_ptr("regulators"), - .id = BD71837_LDO7, - .ops = &bd71837_ldo_regulator_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = BD71837_LDO7_VOLTAGE_NUM, - .linear_ranges = bd71837_ldo7_voltage_ranges, - .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_voltage_ranges), - .vsel_reg = BD71837_REG_LDO7_VOLT, - .vsel_mask = LDO7_MASK, - .enable_reg = BD71837_REG_LDO7_VOLT, - .enable_mask = BD71837_LDO_EN, - .owner = THIS_MODULE, - }, -}; - -struct reg_init { - unsigned int reg; - unsigned int mask; -}; - -static int bd71837_probe(struct platform_device *pdev) -{ - struct bd71837_pmic *pmic; - struct regulator_config config = { 0 }; - struct reg_init pmic_regulator_inits[] = { - { - .reg = BD71837_REG_BUCK1_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK2_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK3_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK4_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK5_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK6_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK7_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_BUCK8_CTRL, - .mask = BD71837_BUCK_SEL, - }, { - .reg = BD71837_REG_LDO1_VOLT, - .mask = BD71837_LDO_SEL, - }, { - .reg = BD71837_REG_LDO2_VOLT, - .mask = BD71837_LDO_SEL, - }, { - .reg = BD71837_REG_LDO3_VOLT, - .mask = BD71837_LDO_SEL, - }, { - .reg = BD71837_REG_LDO4_VOLT, - .mask = BD71837_LDO_SEL, - }, { - .reg = BD71837_REG_LDO5_VOLT, - .mask = BD71837_LDO_SEL, - }, { - .reg = BD71837_REG_LDO6_VOLT, - .mask = BD71837_LDO_SEL, - }, { - .reg = BD71837_REG_LDO7_VOLT, - .mask = BD71837_LDO_SEL, - } - }; - - int i, err; - - pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); - if (!pmic) - return -ENOMEM; - - memcpy(pmic->descs, bd71837_regulators, sizeof(pmic->descs)); - - pmic->pdev = pdev; - pmic->mfd = dev_get_drvdata(pdev->dev.parent); - - if (!pmic->mfd) { - dev_err(&pdev->dev, "No MFD driver data\n"); - err = -EINVAL; - goto err; - } - platform_set_drvdata(pdev, pmic); - - /* Register LOCK release */ - err = regmap_update_bits(pmic->mfd->regmap, BD71837_REG_REGLOCK, - (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); - if (err) { - dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err); - goto err; - } else { - dev_dbg(&pmic->pdev->dev, "Unlocked lock register 0x%x\n", - BD71837_REG_REGLOCK); - } - - /* - * 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 - */ - err = regmap_update_bits(pmic->mfd->regmap, BD718XX_REG_MVRFLTMASK2, - BD718XX_LDO5_VRMON80 | BD718XX_LDO6_VRMON80, - BD718XX_LDO5_VRMON80 | BD718XX_LDO6_VRMON80); - if (err) { - dev_err(&pmic->pdev->dev, - "Failed to disable voltage monitoring\n"); - goto err; - } - - for (i = 0; i < ARRAY_SIZE(pmic_regulator_inits); i++) { - - struct regulator_desc *desc; - struct regulator_dev *rdev; - - desc = &pmic->descs[i]; - - config.dev = pdev->dev.parent; - config.driver_data = pmic; - config.regmap = pmic->mfd->regmap; - - rdev = devm_regulator_register(&pdev->dev, desc, &config); - if (IS_ERR(rdev)) { - dev_err(pmic->mfd->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(pmic->mfd->regmap, - pmic_regulator_inits[i].reg, - pmic_regulator_inits[i].mask, - 0xFFFFFFFF); - if (err) { - dev_err(&pmic->pdev->dev, - "Failed to write BUCK/LDO SEL bit for (%s)\n", - desc->name); - goto err; - } - - pmic->rdev[i] = rdev; - } - -err: - return err; -} - -static struct platform_driver bd71837_regulator = { - .driver = { - .name = "bd71837-pmic", - }, - .probe = bd71837_probe, -}; - -module_platform_driver(bd71837_regulator); - -MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); -MODULE_DESCRIPTION("BD71837 voltage regulator driver"); -MODULE_LICENSE("GPL"); |