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path: root/drivers/regulator/bd70528-regulator.c
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Diffstat (limited to 'drivers/regulator/bd70528-regulator.c')
-rw-r--r--drivers/regulator/bd70528-regulator.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/drivers/regulator/bd70528-regulator.c b/drivers/regulator/bd70528-regulator.c
deleted file mode 100644
index 1f5f9482b209..000000000000
--- a/drivers/regulator/bd70528-regulator.c
+++ /dev/null
@@ -1,283 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018 ROHM Semiconductors
-// bd70528-regulator.c ROHM BD70528MWV regulator driver
-
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/mfd/rohm-bd70528.h>
-#include <linux/module.h>
-#include <linux/of.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>
-#include <linux/slab.h>
-
-#define BUCK_RAMPRATE_250MV 0
-#define BUCK_RAMPRATE_125MV 1
-#define BUCK_RAMP_MAX 250
-
-static const struct linear_range bd70528_buck1_volts[] = {
- REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x1, 600000),
- REGULATOR_LINEAR_RANGE(2750000, 0x2, 0xf, 50000),
-};
-static const struct linear_range bd70528_buck2_volts[] = {
- REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x1, 300000),
- REGULATOR_LINEAR_RANGE(1550000, 0x2, 0xd, 50000),
- REGULATOR_LINEAR_RANGE(3000000, 0xe, 0xf, 300000),
-};
-static const struct linear_range bd70528_buck3_volts[] = {
- REGULATOR_LINEAR_RANGE(800000, 0x00, 0xd, 50000),
- REGULATOR_LINEAR_RANGE(1800000, 0xe, 0xf, 0),
-};
-
-/* All LDOs have same voltage ranges */
-static const struct linear_range bd70528_ldo_volts[] = {
- REGULATOR_LINEAR_RANGE(1650000, 0x0, 0x07, 50000),
- REGULATOR_LINEAR_RANGE(2100000, 0x8, 0x0f, 100000),
- REGULATOR_LINEAR_RANGE(2850000, 0x10, 0x19, 50000),
- REGULATOR_LINEAR_RANGE(3300000, 0x19, 0x1f, 0),
-};
-
-/* Also both LEDs support same voltages */
-static const unsigned int led_volts[] = {
- 20000, 30000
-};
-
-static int bd70528_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
-{
- if (ramp_delay > 0 && ramp_delay <= BUCK_RAMP_MAX) {
- unsigned int ramp_value = BUCK_RAMPRATE_250MV;
-
- if (ramp_delay <= 125)
- ramp_value = BUCK_RAMPRATE_125MV;
-
- return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
- BD70528_MASK_BUCK_RAMP,
- ramp_value << BD70528_SIFT_BUCK_RAMP);
- }
- dev_err(&rdev->dev, "%s: ramp_delay: %d not supported\n",
- rdev->desc->name, ramp_delay);
- return -EINVAL;
-}
-
-static int bd70528_led_set_voltage_sel(struct regulator_dev *rdev,
- unsigned int sel)
-{
- int ret;
-
- ret = regulator_is_enabled_regmap(rdev);
- if (ret < 0)
- return ret;
-
- if (ret == 0)
- return regulator_set_voltage_sel_regmap(rdev, sel);
-
- dev_err(&rdev->dev,
- "LED voltage change not allowed when led is enabled\n");
-
- return -EBUSY;
-}
-
-static const struct regulator_ops bd70528_buck_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 = bd70528_set_ramp_delay,
-};
-
-static const struct regulator_ops bd70528_ldo_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,
-};
-
-static const struct regulator_ops bd70528_led_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_table,
- .set_voltage_sel = bd70528_led_set_voltage_sel,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
-};
-
-static const struct regulator_desc bd70528_desc[] = {
- {
- .name = "buck1",
- .of_match = of_match_ptr("BUCK1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_BUCK1,
- .ops = &bd70528_buck_ops,
- .type = REGULATOR_VOLTAGE,
- .linear_ranges = bd70528_buck1_volts,
- .n_linear_ranges = ARRAY_SIZE(bd70528_buck1_volts),
- .n_voltages = BD70528_BUCK_VOLTS,
- .enable_reg = BD70528_REG_BUCK1_EN,
- .enable_mask = BD70528_MASK_RUN_EN,
- .vsel_reg = BD70528_REG_BUCK1_VOLT,
- .vsel_mask = BD70528_MASK_BUCK_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "buck2",
- .of_match = of_match_ptr("BUCK2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_BUCK2,
- .ops = &bd70528_buck_ops,
- .type = REGULATOR_VOLTAGE,
- .linear_ranges = bd70528_buck2_volts,
- .n_linear_ranges = ARRAY_SIZE(bd70528_buck2_volts),
- .n_voltages = BD70528_BUCK_VOLTS,
- .enable_reg = BD70528_REG_BUCK2_EN,
- .enable_mask = BD70528_MASK_RUN_EN,
- .vsel_reg = BD70528_REG_BUCK2_VOLT,
- .vsel_mask = BD70528_MASK_BUCK_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "buck3",
- .of_match = of_match_ptr("BUCK3"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_BUCK3,
- .ops = &bd70528_buck_ops,
- .type = REGULATOR_VOLTAGE,
- .linear_ranges = bd70528_buck3_volts,
- .n_linear_ranges = ARRAY_SIZE(bd70528_buck3_volts),
- .n_voltages = BD70528_BUCK_VOLTS,
- .enable_reg = BD70528_REG_BUCK3_EN,
- .enable_mask = BD70528_MASK_RUN_EN,
- .vsel_reg = BD70528_REG_BUCK3_VOLT,
- .vsel_mask = BD70528_MASK_BUCK_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "ldo1",
- .of_match = of_match_ptr("LDO1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_LDO1,
- .ops = &bd70528_ldo_ops,
- .type = REGULATOR_VOLTAGE,
- .linear_ranges = bd70528_ldo_volts,
- .n_linear_ranges = ARRAY_SIZE(bd70528_ldo_volts),
- .n_voltages = BD70528_LDO_VOLTS,
- .enable_reg = BD70528_REG_LDO1_EN,
- .enable_mask = BD70528_MASK_RUN_EN,
- .vsel_reg = BD70528_REG_LDO1_VOLT,
- .vsel_mask = BD70528_MASK_LDO_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "ldo2",
- .of_match = of_match_ptr("LDO2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_LDO2,
- .ops = &bd70528_ldo_ops,
- .type = REGULATOR_VOLTAGE,
- .linear_ranges = bd70528_ldo_volts,
- .n_linear_ranges = ARRAY_SIZE(bd70528_ldo_volts),
- .n_voltages = BD70528_LDO_VOLTS,
- .enable_reg = BD70528_REG_LDO2_EN,
- .enable_mask = BD70528_MASK_RUN_EN,
- .vsel_reg = BD70528_REG_LDO2_VOLT,
- .vsel_mask = BD70528_MASK_LDO_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "ldo3",
- .of_match = of_match_ptr("LDO3"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_LDO3,
- .ops = &bd70528_ldo_ops,
- .type = REGULATOR_VOLTAGE,
- .linear_ranges = bd70528_ldo_volts,
- .n_linear_ranges = ARRAY_SIZE(bd70528_ldo_volts),
- .n_voltages = BD70528_LDO_VOLTS,
- .enable_reg = BD70528_REG_LDO3_EN,
- .enable_mask = BD70528_MASK_RUN_EN,
- .vsel_reg = BD70528_REG_LDO3_VOLT,
- .vsel_mask = BD70528_MASK_LDO_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "ldo_led1",
- .of_match = of_match_ptr("LDO_LED1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_LED1,
- .ops = &bd70528_led_ops,
- .type = REGULATOR_VOLTAGE,
- .volt_table = &led_volts[0],
- .n_voltages = ARRAY_SIZE(led_volts),
- .enable_reg = BD70528_REG_LED_EN,
- .enable_mask = BD70528_MASK_LED1_EN,
- .vsel_reg = BD70528_REG_LED_VOLT,
- .vsel_mask = BD70528_MASK_LED1_VOLT,
- .owner = THIS_MODULE,
- },
- {
- .name = "ldo_led2",
- .of_match = of_match_ptr("LDO_LED2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD70528_LED2,
- .ops = &bd70528_led_ops,
- .type = REGULATOR_VOLTAGE,
- .volt_table = &led_volts[0],
- .n_voltages = ARRAY_SIZE(led_volts),
- .enable_reg = BD70528_REG_LED_EN,
- .enable_mask = BD70528_MASK_LED2_EN,
- .vsel_reg = BD70528_REG_LED_VOLT,
- .vsel_mask = BD70528_MASK_LED2_VOLT,
- .owner = THIS_MODULE,
- },
-
-};
-
-static int bd70528_probe(struct platform_device *pdev)
-{
- int i;
- struct regulator_config config = {
- .dev = pdev->dev.parent,
- };
-
- config.regmap = dev_get_regmap(pdev->dev.parent, NULL);
- if (!config.regmap)
- return -ENODEV;
-
- for (i = 0; i < ARRAY_SIZE(bd70528_desc); i++) {
- struct regulator_dev *rdev;
-
- rdev = devm_regulator_register(&pdev->dev, &bd70528_desc[i],
- &config);
- if (IS_ERR(rdev)) {
- dev_err(&pdev->dev,
- "failed to register %s regulator\n",
- bd70528_desc[i].name);
- return PTR_ERR(rdev);
- }
- }
- return 0;
-}
-
-static struct platform_driver bd70528_regulator = {
- .driver = {
- .name = "bd70528-pmic"
- },
- .probe = bd70528_probe,
-};
-
-module_platform_driver(bd70528_regulator);
-
-MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
-MODULE_DESCRIPTION("BD70528 voltage regulator driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:bd70528-pmic");
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-15 00:26:26 +0300