aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/regulator/bd71837-regulator.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator/bd71837-regulator.c')
-rw-r--r--drivers/regulator/bd71837-regulator.c626
1 files changed, 0 insertions, 626 deletions
diff --git a/drivers/regulator/bd71837-regulator.c b/drivers/regulator/bd71837-regulator.c
deleted file mode 100644
index 4fe519581235..000000000000
--- a/drivers/regulator/bd71837-regulator.c
+++ /dev/null
@@ -1,626 +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/of.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],
- .n_voltages = ARRAY_SIZE(ldo_2_volts),
- .vsel_reg = BD71837_REG_LDO2_VOLT,
- .vsel_mask = LDO2_MASK,
- .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);
- }
-
- 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");