diff options
Diffstat (limited to 'drivers/regulator')
25 files changed, 876 insertions, 416 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index db9ae6fa240..6a7932822e3 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -70,6 +70,14 @@ config REGULATOR_88PM8607 help This driver supports 88PM8607 voltage regulator chips. +config REGULATOR_ACT8865 + tristate "Active-semi act8865 voltage regulator" + depends on I2C + select REGMAP_I2C + help + This driver controls a active-semi act8865 voltage output + regulator via I2C bus. + config REGULATOR_AD5398 tristate "Analog Devices AD5398/AD5821 regulators" depends on I2C @@ -249,6 +257,13 @@ config REGULATOR_LP8788 help This driver supports LP8788 voltage regulator chip. +config REGULATOR_MAX14577 + tristate "Maxim 14577 regulator" + depends on MFD_MAX14577 + help + This driver controls a Maxim 14577 regulator via I2C bus. + The regulators include safeout LDO and current regulator 'CHARGER'. + config REGULATOR_MAX1586 tristate "Maxim 1586/1587 voltage regulator" depends on I2C @@ -384,7 +399,7 @@ config REGULATOR_PCF50633 on PCF50633 config REGULATOR_PFUZE100 - tristate "Support regulators on Freescale PFUZE100 PMIC" + tristate "Freescale PFUZE100 regulator driver" depends on I2C select REGMAP_I2C help diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 01c597ea174..979f9ddcf25 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o obj-$(CONFIG_REGULATOR_AB8500) += ab8500-ext.o ab8500.o +obj-$(CONFIG_REGULATOR_ACT8865) += act8865-regulator.o obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o @@ -35,6 +36,7 @@ obj-$(CONFIG_REGULATOR_LP872X) += lp872x.o obj-$(CONFIG_REGULATOR_LP8788) += lp8788-buck.o obj-$(CONFIG_REGULATOR_LP8788) += lp8788-ldo.o obj-$(CONFIG_REGULATOR_LP8755) += lp8755.o +obj-$(CONFIG_REGULATOR_MAX14577) += max14577.o obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c index 603f192e84f..c625468c7f2 100644 --- a/drivers/regulator/ab8500.c +++ b/drivers/regulator/ab8500.c @@ -2998,37 +2998,6 @@ static void abx500_get_regulator_info(struct ab8500 *ab8500) } } -static int ab8500_regulator_init_registers(struct platform_device *pdev, - int id, int mask, int value) -{ - struct ab8500_reg_init *reg_init = abx500_regulator.init; - int err; - - BUG_ON(value & ~mask); - BUG_ON(mask & ~reg_init[id].mask); - - /* initialize register */ - err = abx500_mask_and_set_register_interruptible( - &pdev->dev, - reg_init[id].bank, - reg_init[id].addr, - mask, value); - if (err < 0) { - dev_err(&pdev->dev, - "Failed to initialize 0x%02x, 0x%02x.\n", - reg_init[id].bank, - reg_init[id].addr); - return err; - } - dev_vdbg(&pdev->dev, - " init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n", - reg_init[id].bank, - reg_init[id].addr, - mask, value); - - return 0; -} - static int ab8500_regulator_register(struct platform_device *pdev, struct regulator_init_data *init_data, int id, struct device_node *np) @@ -3036,7 +3005,6 @@ static int ab8500_regulator_register(struct platform_device *pdev, struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); struct ab8500_regulator_info *info = NULL; struct regulator_config config = { }; - int err; /* assign per-regulator data */ info = &abx500_regulator.info[id]; @@ -3058,17 +3026,12 @@ static int ab8500_regulator_register(struct platform_device *pdev, } /* register regulator with framework */ - info->regulator = regulator_register(&info->desc, &config); + info->regulator = devm_regulator_register(&pdev->dev, &info->desc, + &config); if (IS_ERR(info->regulator)) { - err = PTR_ERR(info->regulator); dev_err(&pdev->dev, "failed to register regulator %s\n", info->desc.name); - /* when we fail, un-register all earlier regulators */ - while (--id >= 0) { - info = &abx500_regulator.info[id]; - regulator_unregister(info->regulator); - } - return err; + return PTR_ERR(info->regulator); } return 0; @@ -3095,9 +3058,7 @@ static int ab8500_regulator_probe(struct platform_device *pdev) { struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); struct device_node *np = pdev->dev.of_node; - struct ab8500_platform_data *ppdata; - struct ab8500_regulator_platform_data *pdata; - int i, err; + int err; if (!ab8500) { dev_err(&pdev->dev, "null mfd parent\n"); @@ -3106,83 +3067,20 @@ static int ab8500_regulator_probe(struct platform_device *pdev) abx500_get_regulator_info(ab8500); - if (np) { - err = of_regulator_match(&pdev->dev, np, - abx500_regulator.match, - abx500_regulator.match_size); - if (err < 0) { - dev_err(&pdev->dev, - "Error parsing regulator init data: %d\n", err); - return err; - } - - err = ab8500_regulator_of_probe(pdev, np); - return err; - } - - ppdata = dev_get_platdata(ab8500->dev); - if (!ppdata) { - dev_err(&pdev->dev, "null parent pdata\n"); - return -EINVAL; - } - - pdata = ppdata->regulator; - if (!pdata) { - dev_err(&pdev->dev, "null pdata\n"); - return -EINVAL; - } - - /* make sure the platform data has the correct size */ - if (pdata->num_regulator != abx500_regulator.info_size) { - dev_err(&pdev->dev, "Configuration error: size mismatch.\n"); - return -EINVAL; - } - - /* initialize debug (initial state is recorded with this call) */ - err = ab8500_regulator_debug_init(pdev); - if (err) + err = of_regulator_match(&pdev->dev, np, + abx500_regulator.match, + abx500_regulator.match_size); + if (err < 0) { + dev_err(&pdev->dev, + "Error parsing regulator init data: %d\n", err); return err; - - /* initialize registers */ - for (i = 0; i < pdata->num_reg_init; i++) { - int id, mask, value; - - id = pdata->reg_init[i].id; - mask = pdata->reg_init[i].mask; - value = pdata->reg_init[i].value; - - /* check for configuration errors */ - BUG_ON(id >= abx500_regulator.init_size); - - err = ab8500_regulator_init_registers(pdev, id, mask, value); - if (err < 0) - return err; } - - /* register all regulators */ - for (i = 0; i < abx500_regulator.info_size; i++) { - err = ab8500_regulator_register(pdev, &pdata->regulator[i], - i, NULL); - if (err < 0) - return err; - } - - return 0; + return ab8500_regulator_of_probe(pdev, np); } static int ab8500_regulator_remove(struct platform_device *pdev) { - int i, err; - - for (i = 0; i < abx500_regulator.info_size; i++) { - struct ab8500_regulator_info *info = NULL; - info = &abx500_regulator.info[i]; - - dev_vdbg(rdev_get_dev(info->regulator), - "%s-remove\n", info->desc.name); - - regulator_unregister(info->regulator); - } + int err; /* remove regulator debug */ err = ab8500_regulator_debug_exit(pdev); diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c new file mode 100644 index 00000000000..084cc0819a5 --- /dev/null +++ b/drivers/regulator/act8865-regulator.c @@ -0,0 +1,349 @@ +/* + * act8865-regulator.c - Voltage regulation for the active-semi ACT8865 + * http://www.active-semi.com/sheets/ACT8865_Datasheet.pdf + * + * Copyright (C) 2013 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/act8865.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regulator/of_regulator.h> +#include <linux/regmap.h> + +/* + * ACT8865 Global Register Map. + */ +#define ACT8865_SYS_MODE 0x00 +#define ACT8865_SYS_CTRL 0x01 +#define ACT8865_DCDC1_VSET1 0x20 +#define ACT8865_DCDC1_VSET2 0x21 +#define ACT8865_DCDC1_CTRL 0x22 +#define ACT8865_DCDC2_VSET1 0x30 +#define ACT8865_DCDC2_VSET2 0x31 +#define ACT8865_DCDC2_CTRL 0x32 +#define ACT8865_DCDC3_VSET1 0x40 +#define ACT8865_DCDC3_VSET2 0x41 +#define ACT8865_DCDC3_CTRL 0x42 +#define ACT8865_LDO1_VSET 0x50 +#define ACT8865_LDO1_CTRL 0x51 +#define ACT8865_LDO2_VSET 0x54 +#define ACT8865_LDO2_CTRL 0x55 +#define ACT8865_LDO3_VSET 0x60 +#define ACT8865_LDO3_CTRL 0x61 +#define ACT8865_LDO4_VSET 0x64 +#define ACT8865_LDO4_CTRL 0x65 + +/* + * Field Definitions. + */ +#define ACT8865_ENA 0x80 /* ON - [7] */ +#define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */ + +/* + * ACT8865 voltage number + */ +#define ACT8865_VOLTAGE_NUM 64 + +struct act8865 { + struct regulator_dev *rdev[ACT8865_REG_NUM]; + struct regmap *regmap; +}; + +static const struct regmap_config act8865_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static const struct regulator_linear_range act8865_volatge_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000), + REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000), + REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000), +}; + +static struct regulator_ops act8865_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, +}; + +static const struct regulator_desc act8865_reg[] = { + { + .name = "DCDC_REG1", + .id = ACT8865_ID_DCDC1, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_DCDC1_VSET1, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_DCDC1_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, + { + .name = "DCDC_REG2", + .id = ACT8865_ID_DCDC2, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_DCDC2_VSET1, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_DCDC2_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, + { + .name = "DCDC_REG3", + .id = ACT8865_ID_DCDC3, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_DCDC3_VSET1, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_DCDC3_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, + { + .name = "LDO_REG1", + .id = ACT8865_ID_LDO1, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_LDO1_VSET, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_LDO1_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, + { + .name = "LDO_REG2", + .id = ACT8865_ID_LDO2, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_LDO2_VSET, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_LDO2_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, + { + .name = "LDO_REG3", + .id = ACT8865_ID_LDO3, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_LDO3_VSET, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_LDO3_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, + { + .name = "LDO_REG4", + .id = ACT8865_ID_LDO4, + .ops = &act8865_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ACT8865_VOLTAGE_NUM, + .linear_ranges = act8865_volatge_ranges, + .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), + .vsel_reg = ACT8865_LDO4_VSET, + .vsel_mask = ACT8865_VSEL_MASK, + .enable_reg = ACT8865_LDO4_CTRL, + .enable_mask = ACT8865_ENA, + .owner = THIS_MODULE, + }, +}; + +#ifdef CONFIG_OF +static const struct of_device_id act8865_dt_ids[] = { + { .compatible = "active-semi,act8865" }, + { } +}; +MODULE_DEVICE_TABLE(of, act8865_dt_ids); + +static struct of_regulator_match act8865_matches[] = { + [ACT8865_ID_DCDC1] = { .name = "DCDC_REG1"}, + [ACT8865_ID_DCDC2] = { .name = "DCDC_REG2"}, + [ACT8865_ID_DCDC3] = { .name = "DCDC_REG3"}, + [ACT8865_ID_LDO1] = { .name = "LDO_REG1"}, + [ACT8865_ID_LDO2] = { .name = "LDO_REG2"}, + [ACT8865_ID_LDO3] = { .name = "LDO_REG3"}, + [ACT8865_ID_LDO4] = { .name = "LDO_REG4"}, +}; + +static int act8865_pdata_from_dt(struct device *dev, + struct device_node **of_node, + struct act8865_platform_data *pdata) +{ + int matched, i; + struct device_node *np; + struct act8865_regulator_data *regulator; + + np = of_find_node_by_name(dev->of_node, "regulators"); + if (!np) { + dev_err(dev, "missing 'regulators' subnode in DT\n"); + return -EINVAL; + } + + matched = of_regulator_match(dev, np, + act8865_matches, ARRAY_SIZE(act8865_matches)); + if (matched <= 0) + return matched; + + pdata->regulators = devm_kzalloc(dev, + sizeof(struct act8865_regulator_data) * + ARRAY_SIZE(act8865_matches), GFP_KERNEL); + if (!pdata->regulators) { + dev_err(dev, "%s: failed to allocate act8865 registor\n", + __func__); + return -ENOMEM; + } + + pdata->num_regulators = matched; + regulator = pdata->regulators; + + for (i = 0; i < ARRAY_SIZE(act8865_matches); i++) { + regulator->id = i; + regulator->name = act8865_matches[i].name; + regulator->platform_data = act8865_matches[i].init_data; + of_node[i] = act8865_matches[i].of_node; + regulator++; + } + + return 0; +} +#else +static inline int act8865_pdata_from_dt(struct device *dev, + struct device_node **of_node, + struct act8865_platform_data *pdata) +{ + return 0; +} +#endif + +static int act8865_pmic_probe(struct i2c_client *client, + const struct i2c_device_id *i2c_id) +{ + struct regulator_dev **rdev; + struct device *dev = &client->dev; + struct act8865_platform_data *pdata = dev_get_platdata(dev); + struct regulator_config config = { }; + struct act8865 *act8865; + struct device_node *of_node[ACT8865_REG_NUM]; + int i, id; + int ret = -EINVAL; + int error; + + if (dev->of_node && !pdata) { + const struct of_device_id *id; + struct act8865_platform_data pdata_of; + + id = of_match_device(of_match_ptr(act8865_dt_ids), dev); + if (!id) + return -ENODEV; + + ret = act8865_pdata_from_dt(dev, of_node, &pdata_of); + if (ret < 0) + return ret; + + pdata = &pdata_of; + } + + if (pdata->num_regulators > ACT8865_REG_NUM) { + dev_err(dev, "Too many regulators found!\n"); + return -EINVAL; + } + + act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL); + if (!act8865) + return -ENOMEM; + + rdev = act8865->rdev; + + act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config); + if (IS_ERR(act8865->regmap)) { + error = PTR_ERR(act8865->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + error); + return error; + } + + /* Finally register devices */ + for (i = 0; i < ACT8865_REG_NUM; i++) { + + id = pdata->regulators[i].id; + + config.dev = dev; + config.init_data = pdata->regulators[i].platform_data; + config.of_node = of_node[i]; + config.driver_data = act8865; + config.regmap = act8865->regmap; + + rdev[i] = devm_regulator_register(&client->dev, + &act8865_reg[i], &config); + if (IS_ERR(rdev[i])) { + dev_err(dev, "failed to register %s\n", + act8865_reg[id].name); + return PTR_ERR(rdev[i]); + } + } + + i2c_set_clientdata(client, act8865); + + return 0; +} + +static const struct i2c_device_id act8865_ids[] = { + { "act8865", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, act8865_ids); + +static struct i2c_driver act8865_pmic_driver = { + .driver = { + .name = "act8865", + .owner = THIS_MODULE, + }, + .probe = act8865_pmic_probe, + .id_table = act8865_ids, +}; + +module_i2c_driver(act8865_pmic_driver); + +MODULE_DESCRIPTION("active-semi act8865 voltage regulator driver"); +MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index c734d098082..862e63e451d 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -122,10 +122,8 @@ static int anatop_regulator_probe(struct platform_device *pdev) if (!sreg) return -ENOMEM; sreg->initdata = initdata; - sreg->name = kstrdup(of_get_property(np, "regulator-name", NULL), - GFP_KERNEL); + sreg->name = of_get_property(np, "regulator-name", NULL); rdesc = &sreg->rdesc; - memset(rdesc, 0, sizeof(*rdesc)); rdesc->name = sreg->name; rdesc->ops = &anatop_rops; rdesc->type = REGULATOR_VOLTAGE; @@ -143,37 +141,37 @@ static int anatop_regulator_probe(struct platform_device *pdev) &sreg->control_reg); if (ret) { dev_err(dev, "no anatop-reg-offset property set\n"); - goto anatop_probe_end; + return ret; } ret = of_property_read_u32(np, "anatop-vol-bit-width", &sreg->vol_bit_width); if (ret) { dev_err(dev, "no anatop-vol-bit-width property set\n"); - goto anatop_probe_end; + return ret; } ret = of_property_read_u32(np, "anatop-vol-bit-shift", &sreg->vol_bit_shift); if (ret) { dev_err(dev, "no anatop-vol-bit-shift property set\n"); - goto anatop_probe_end; + return ret; } ret = of_property_read_u32(np, "anatop-min-bit-val", &sreg->min_bit_val); if (ret) { dev_err(dev, "no anatop-min-bit-val property set\n"); - goto anatop_probe_end; + return ret; } ret = of_property_read_u32(np, "anatop-min-voltage", &sreg->min_voltage); if (ret) { dev_err(dev, "no anatop-min-voltage property set\n"); - goto anatop_probe_end; + return ret; } ret = of_property_read_u32(np, "anatop-max-voltage", &sreg->max_voltage); if (ret) { dev_err(dev, "no anatop-max-voltage property set\n"); - goto anatop_probe_end; + return ret; } /* read LDO ramp up setting, only for core reg */ @@ -204,27 +202,11 @@ static int anatop_regulator_probe(struct platform_device *pdev) if (IS_ERR(rdev)) { dev_err(dev, "failed to register %s\n", rdesc->name); - ret = PTR_ERR(rdev); - goto anatop_probe_end; + return PTR_ERR(rdev); } platform_set_drvdata(pdev, rdev); -anatop_probe_end: - if (ret) - kfree(sreg->name); - - return ret; -} - -static int anatop_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - struct anatop_regulator *sreg = rdev_get_drvdata(rdev); - const char *name = sreg->name; - - kfree(name); - return 0; } @@ -240,7 +222,6 @@ static struct platform_driver anatop_regulator_driver = { .of_match_table = of_anatop_regulator_match_tbl, }, .probe = anatop_regulator_probe, - .remove = anatop_regulator_remove, }; static int __init anatop_regulator_init(void) @@ -259,3 +240,4 @@ MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>"); MODULE_AUTHOR("Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>"); MODULE_DESCRIPTION("ANATOP Regulator driver"); MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:anatop_regulator"); diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index fd3154d8690..034ece70708 100644 --- a/drivers/regulator/arizona-micsupp.c +++ b/drivers/regulator/arizona-micsupp.c @@ -28,8 +28,6 @@ #include <linux/mfd/arizona/pdata.h> #include <linux/mfd/arizona/registers.h> -#define ARIZONA_MICSUPP_MAX_SELECTOR 0x1f - struct arizona_micsupp { struct regulator_dev *regulator; struct arizona *arizona; @@ -40,42 +38,6 @@ struct arizona_micsupp { struct work_struct check_cp_work; }; -static int arizona_micsupp_list_voltage(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector > ARIZONA_MICSUPP_MAX_SELECTOR) - return -EINVAL; - - if (selector == ARIZONA_MICSUPP_MAX_SELECTOR) - return 3300000; - else - return (selector * 50000) + 1700000; -} - -static int arizona_micsupp_map_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - unsigned int voltage; - int selector; - - if (min_uV < 1700000) - min_uV = 1700000; - - if (min_uV > 3200000) - selector = ARIZONA_MICSUPP_MAX_SELECTOR; - else - selector = DIV_ROUND_UP(min_uV - 1700000, 50000); - - if (selector < 0) - return -EINVAL; - - voltage = arizona_micsupp_list_voltage(rdev, selector); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - - return selector; -} - static void arizona_micsupp_check_cp(struct work_struct *work) { struct arizona_micsupp *micsupp = @@ -145,8 +107,8 @@ static struct regulator_ops arizona_micsupp_ops = { .disable = arizona_micsupp_disable, .is_enabled = regulator_is_enabled_regmap, - .list_voltage = arizona_micsupp_list_voltage, - .map_voltage = arizona_micsupp_map_voltage, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, @@ -155,11 +117,16 @@ static struct regulator_ops arizona_micsupp_ops = { .set_bypass = arizona_micsupp_set_bypass, }; +static const struct regulator_linear_range arizona_micsupp_ranges[] = { + REGULATOR_LINEAR_RANGE(1700000, 0, 0x1e, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x1f, 0x1f, 0), +}; + static const struct regulator_desc arizona_micsupp = { .name = "MICVDD", .supply_name = "CPVDD", .type = REGULATOR_VOLTAGE, - .n_voltages = ARIZONA_MICSUPP_MAX_SELECTOR + 1, + .n_voltages = 32, .ops = &arizona_micsupp_ops, .vsel_reg = ARIZONA_LDO2_CONTROL_1, @@ -169,6 +136,9 @@ static const struct regulator_desc arizona_micsupp = { .bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1, .bypass_mask = ARIZONA_CPMIC_BYPASS, + .linear_ranges = arizona_micsupp_ranges, + .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ranges), + .enable_time = 3000, .owner = THIS_MODULE, diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c index b9f1d24c681..8b17d786cb7 100644 --- a/drivers/regulator/as3722-regulator.c +++ b/drivers/regulator/as3722-regulator.c @@ -99,7 +99,6 @@ static const struct as3722_register_mapping as3722_reg_lookup[] = { .sleep_ctrl_mask = AS3722_SD0_EXT_ENABLE_MASK, .control_reg = AS3722_SD0_CONTROL_REG, .mode_mask = AS3722_SD0_MODE_FAST, - .n_voltages = AS3722_SD0_VSEL_MAX + 1, }, { .regulator_id = AS3722_REGULATOR_ID_SD1, @@ -112,7 +111,6 @@ static const struct as3722_register_mapping as3722_reg_lookup[] = { .sleep_ctrl_mask = AS3722_SD1_EXT_ENABLE_MASK, .control_reg = AS3722_SD1_CONTROL_REG, .mode_mask = AS3722_SD1_MODE_FAST, - .n_voltages = AS3722_SD0_VSEL_MAX + 1, }, { .regulator_id = AS3722_REGULATOR_ID_SD2, @@ -181,7 +179,6 @@ static const struct as3722_register_mapping as3722_reg_lookup[] = { .sleep_ctrl_mask = AS3722_SD6_EXT_ENABLE_MASK, .control_reg = AS3722_SD6_CONTROL_REG, .mode_mask = AS3722_SD6_MODE_FAST, - .n_voltages = AS3722_SD0_VSEL_MAX + 1, }, { .regulator_id = AS3722_REGULATOR_ID_LDO0, @@ -595,6 +592,22 @@ static int as3722_sd016_set_current_limit(struct regulator_dev *rdev, return as3722_update_bits(as3722, reg, mask, val); } +static bool as3722_sd0_is_low_voltage(struct as3722_regulators *as3722_regs) +{ + int err; + unsigned val; + + err = as3722_read(as3722_regs->as3722, AS3722_FUSE7_REG, &val); + if (err < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + AS3722_FUSE7_REG, err); + return false; + } + if (val & AS3722_FUSE7_SD0_LOW_VOLTAGE) + return true; + return false; +} + static const struct regulator_linear_range as3722_sd2345_ranges[] = { REGULATOR_LINEAR_RANGE(612500, 0x01, 0x40, 12500), REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000), @@ -820,9 +833,19 @@ static int as3722_regulator_probe(struct platform_device *pdev) ops = &as3722_sd016_extcntrl_ops; else ops = &as3722_sd016_ops; - as3722_regs->desc[id].min_uV = 610000; + if (id == AS3722_REGULATOR_ID_SD0 && + as3722_sd0_is_low_voltage(as3722_regs)) { + as3722_regs->desc[id].n_voltages = + AS3722_SD0_VSEL_LOW_VOL_MAX + 1; + as3722_regs->desc[id].min_uV = 410000; + } else { + as3722_regs->desc[id].n_voltages = + AS3722_SD0_VSEL_MAX + 1, + as3722_regs->desc[id].min_uV = 610000; + } as3722_regs->desc[id].uV_step = 10000; as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 600; break; case AS3722_REGULATOR_ID_SD2: case AS3722_REGULATOR_ID_SD3: @@ -842,9 +865,6 @@ static int as3722_regulator_probe(struct platform_device *pdev) ops = &as3722_ldo_extcntrl_ops; else ops = &as3722_ldo_ops; - as3722_regs->desc[id].min_uV = 825000; - as3722_regs->desc[id].uV_step = 25000; - as3722_regs->desc[id].linear_min_sel = 1; as3722_regs->desc[id].enable_time = 500; as3722_regs->desc[id].linear_ranges = as3722_ldo_ranges; as3722_regs->desc[id].n_linear_ranges = diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index d85f31385b2..b38a6b669e8 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1334,9 +1334,8 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, * If we have return value from dev_lookup fail, we do not expect to * succeed, so, quit with appropriate error value */ - if (ret && ret != -ENODEV) { + if (ret && ret != -ENODEV) goto out; - } if (!devname) devname = "deviceless"; @@ -1351,7 +1350,8 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, rdev = dummy_regulator_rdev; goto found; - } else { + /* Don't log an error when called from regulator_get_optional() */ + } else if (!have_full_constraints() || exclusive) { dev_err(dev, "dummy supplies not allowed\n"); } @@ -2244,7 +2244,7 @@ int regulator_is_supported_voltage(struct regulator *regulator, if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { ret = regulator_get_voltage(regulator); if (ret >= 0) - return (min_uV <= ret && ret <= max_uV); + return min_uV <= ret && ret <= max_uV; else return ret; } @@ -2416,7 +2416,7 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) ret = regulator_check_voltage(rdev, &min_uV, &max_uV); if (ret < 0) goto out; - + /* restore original values in case of error */ old_min_uV = regulator->min_uV; old_max_uV = regulator->max_uV; @@ -2430,7 +2430,7 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); if (ret < 0) goto out2; - + out: mutex_unlock(&rdev->mutex); return ret; @@ -3835,9 +3835,8 @@ static int __init regulator_init_complete(void) * goes wrong. */ rdev_info(rdev, "disabling\n"); ret = ops->disable(rdev); - if (ret != 0) { + if (ret != 0) rdev_err(rdev, "couldn't disable: %d\n", ret); - } } else { /* The intention is that in future we will * assume that full constraints are provided diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c index a53c11a529d..846acf240e4 100644 --- a/drivers/regulator/db8500-prcmu.c +++ b/drivers/regulator/db8500-prcmu.c @@ -431,17 +431,11 @@ static int db8500_regulator_register(struct platform_device *pdev, config.of_node = np; /* register with the regulator framework */ - info->rdev = regulator_register(&info->desc, &config); + info->rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(info->rdev)) { err = PTR_ERR(info->rdev); dev_err(&pdev->dev, "failed to register %s: err %i\n", info->desc.name, err); - - /* if failing, unregister all earlier regulators */ - while (--id >= 0) { - info = &dbx500_regulator_info[id]; - regulator_unregister(info->rdev); - } return err; } @@ -530,20 +524,8 @@ static int db8500_regulator_probe(struct platform_device *pdev) static int db8500_regulator_remove(struct platform_device *pdev) { - int i; - ux500_regulator_debug_exit(); - for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) { - struct dbx500_regulator_info *info; - info = &dbx500_regulator_info[i]; - - dev_vdbg(rdev_get_dev(info->rdev), - "regulator-%s-remove\n", info->desc.name); - - regulator_unregister(info->rdev); - } - return 0; } diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 234960dc960..c0a1d00b78c 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -203,17 +203,18 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np) } config->nr_states = i; + config->type = REGULATOR_VOLTAGE; ret = of_property_read_string(np, "regulator-type", ®type); - if (ret < 0) { - dev_err(dev, "Missing 'regulator-type' property\n"); - return ERR_PTR(-EINVAL); + if (ret >= 0) { + if (!strncmp("voltage", regtype, 7)) + config->type = REGULATOR_VOLTAGE; + else if (!strncmp("current", regtype, 7)) + config->type = REGULATOR_CURRENT; + else + dev_warn(dev, "Unknown regulator-type '%s'\n", + regtype); } - if (!strncmp("voltage", regtype, 7)) - config->type = REGULATOR_VOLTAGE; - else if (!strncmp("current", regtype, 7)) - config->type = REGULATOR_CURRENT; - return config; } diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 947c05ffe0a..3b1102b7507 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -25,8 +25,6 @@ struct lp3971 { struct device *dev; struct mutex io_lock; struct i2c_client *i2c; - int num_regulators; - struct regulator_dev **rdev; }; static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg); @@ -383,42 +381,27 @@ static int setup_regulators(struct lp3971 *lp3971, { int i, err; - lp3971->num_regulators = pdata->num_regulators; - lp3971->rdev = kcalloc(pdata->num_regulators, - sizeof(struct regulator_dev *), GFP_KERNEL); - if (!lp3971->rdev) { - err = -ENOMEM; - goto err_nomem; - } - /* Instantiate the regulators */ for (i = 0; i < pdata->num_regulators; i++) { struct regulator_config config = { }; struct lp3971_regulator_subdev *reg = &pdata->regulators[i]; + struct regulator_dev *rdev; config.dev = lp3971->dev; config.init_data = reg->initdata; config.driver_data = lp3971; - lp3971->rdev[i] = regulator_register(®ulators[reg->id], - &config); - if (IS_ERR(lp3971->rdev[i])) { - err = PTR_ERR(lp3971->rdev[i]); + rdev = devm_regulator_register(lp3971->dev, + ®ulators[reg->id], &config); + if (IS_ERR(rdev)) { + err = PTR_ERR(rdev); dev_err(lp3971->dev, "regulator init failed: %d\n", err); - goto error; + return err; } } return 0; - -error: - while (--i >= 0) - regulator_unregister(lp3971->rdev[i]); - kfree(lp3971->rdev); - lp3971->rdev = NULL; -err_nomem: - return err; } static int lp3971_i2c_probe(struct i2c_client *i2c, @@ -460,19 +443,6 @@ static int lp3971_i2c_probe(struct i2c_client *i2c, return 0; } -static int lp3971_i2c_remove(struct i2c_client *i2c) -{ - struct lp3971 *lp3971 = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < lp3971->num_regulators; i++) - regulator_unregister(lp3971->rdev[i]); - - kfree(lp3971->rdev); - - return 0; -} - static const struct i2c_device_id lp3971_i2c_id[] = { { "lp3971", 0 }, { } @@ -485,7 +455,6 @@ static struct i2c_driver lp3971_i2c_driver = { .owner = THIS_MODULE, }, .probe = lp3971_i2c_probe, - .remove = lp3971_i2c_remove, .id_table = lp3971_i2c_id, }; diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c index 093e6f44ff8..aea485afcc1 100644 --- a/drivers/regulator/lp3972.c +++ b/drivers/regulator/lp3972.c @@ -22,8 +22,6 @@ struct lp3972 { struct device *dev; struct mutex io_lock; struct i2c_client *i2c; - int num_regulators; - struct regulator_dev **rdev; }; /* LP3972 Control Registers */ @@ -478,41 +476,27 @@ static int setup_regulators(struct lp3972 *lp3972, { int i, err; - lp3972->num_regulators = pdata->num_regulators; - lp3972->rdev = kcalloc(pdata->num_regulators, - sizeof(struct regulator_dev *), GFP_KERNEL); - if (!lp3972->rdev) { - err = -ENOMEM; - goto err_nomem; - } - /* Instantiate the regulators */ for (i = 0; i < pdata->num_regulators; i++) { struct lp3972_regulator_subdev *reg = &pdata->regulators[i]; struct regulator_config config = { }; + struct regulator_dev *rdev; config.dev = lp3972->dev; config.init_data = reg->initdata; config.driver_data = lp3972; - lp3972->rdev[i] = regulator_register(®ulators[reg->id], - &config); - if (IS_ERR(lp3972->rdev[i])) { - err = PTR_ERR(lp3972->rdev[i]); + rdev = devm_regulator_register(lp3972->dev, + ®ulators[reg->id], &config); + if (IS_ERR(rdev)) { + err = PTR_ERR(rdev); dev_err(lp3972->dev, "regulator init failed: %d\n", err); - goto error; + return err; } } return 0; -error: - while (--i >= 0) - regulator_unregister(lp3972->rdev[i]); - kfree(lp3972->rdev); - lp3972->rdev = NULL; -err_nomem: - return err; } static int lp3972_i2c_probe(struct i2c_client *i2c, @@ -557,18 +541,6 @@ static int lp3972_i2c_probe(struct i2c_client *i2c, return 0; } -static int lp3972_i2c_remove(struct i2c_client *i2c) -{ - struct lp3972 *lp3972 = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < lp3972->num_regulators; i++) - regulator_unregister(lp3972->rdev[i]); - kfree(lp3972->rdev); - - return 0; -} - static const struct i2c_device_id lp3972_i2c_id[] = { { "lp3972", 0 }, { } @@ -581,7 +553,6 @@ static struct i2c_driver lp3972_i2c_driver = { .owner = THIS_MODULE, }, .probe = lp3972_i2c_probe, - .remove = lp3972_i2c_remove, .id_table = lp3972_i2c_id, }; diff --git a/drivers/regulator/max14577.c b/drivers/regulator/max14577.c new file mode 100644 index 00000000000..b1078ba3f39 --- /dev/null +++ b/drivers/regulator/max14577.c @@ -0,0 +1,273 @@ +/* + * max14577.c - Regulator driver for the Maxim 14577 + * + * Copyright (C) 2013 Samsung Electronics + * Krzysztof Kozlowski <k.kozlowski@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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/module.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/mfd/max14577.h> +#include <linux/mfd/max14577-private.h> +#include <linux/regulator/of_regulator.h> + +struct max14577_regulator { + struct device *dev; + struct max14577 *max14577; + struct regulator_dev **regulators; +}; + +static int max14577_reg_is_enabled(struct regulator_dev *rdev) +{ + int rid = rdev_get_id(rdev); + struct regmap *rmap = rdev->regmap; + u8 reg_data; + + switch (rid) { + case MAX14577_CHARGER: + max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL2, ®_data); + if ((reg_data & CHGCTRL2_MBCHOSTEN_MASK) == 0) + return 0; + max14577_read_reg(rmap, MAX14577_CHG_REG_STATUS3, ®_data); + if ((reg_data & STATUS3_CGMBC_MASK) == 0) + return 0; + /* MBCHOSTEN and CGMBC are on */ + return 1; + default: + return -EINVAL; + } +} + +static int max14577_reg_get_current_limit(struct regulator_dev *rdev) +{ + u8 reg_data; + struct regmap *rmap = rdev->regmap; + + if (rdev_get_id(rdev) != MAX14577_CHARGER) + return -EINVAL; + + max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, ®_data); + + if ((reg_data & CHGCTRL4_MBCICHWRCL_MASK) == 0) + return MAX14577_REGULATOR_CURRENT_LIMIT_MIN; + + reg_data = ((reg_data & CHGCTRL4_MBCICHWRCH_MASK) >> + CHGCTRL4_MBCICHWRCH_SHIFT); + return MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START + + reg_data * MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP; +} + +static int max14577_reg_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + int i, current_bits = 0xf; + u8 reg_data; + + if (rdev_get_id(rdev) != MAX14577_CHARGER) + return -EINVAL; + + if (min_uA > MAX14577_REGULATOR_CURRENT_LIMIT_MAX || + max_uA < MAX14577_REGULATOR_CURRENT_LIMIT_MIN) + return -EINVAL; + + if (max_uA < MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START) { + /* Less than 200 mA, so set 90mA (turn only Low Bit off) */ + u8 reg_data = 0x0 << CHGCTRL4_MBCICHWRCL_SHIFT; + return max14577_update_reg(rdev->regmap, + MAX14577_CHG_REG_CHG_CTRL4, + CHGCTRL4_MBCICHWRCL_MASK, reg_data); + } + + /* max_uA is in range: <LIMIT_HIGH_START, inifinite>, so search for + * valid current starting from LIMIT_MAX. */ + for (i = MAX14577_REGULATOR_CURRENT_LIMIT_MAX; + i >= MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START; + i -= MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP) { + if (i <= max_uA) + break; + current_bits--; + } + BUG_ON(current_bits < 0); /* Cannot happen */ + /* Turn Low Bit on (use range 200mA-950 mA) */ + reg_data = 0x1 << CHGCTRL4_MBCICHWRCL_SHIFT; + /* and set proper High Bits */ + reg_data |= current_bits << CHGCTRL4_MBCICHWRCH_SHIFT; + + return max14577_update_reg(rdev->regmap, MAX14577_CHG_REG_CHG_CTRL4, + CHGCTRL4_MBCICHWRCL_MASK | CHGCTRL4_MBCICHWRCH_MASK, + reg_data); +} + +static struct regulator_ops max14577_safeout_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, +}; + +static struct regulator_ops max14577_charger_ops = { + .is_enabled = max14577_reg_is_enabled, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .get_current_limit = max14577_reg_get_current_limit, + .set_current_limit = max14577_reg_set_current_limit, +}; + +static const struct regulator_desc supported_regulators[] = { + [MAX14577_SAFEOUT] = { + .name = "SAFEOUT", + .id = MAX14577_SAFEOUT, + .ops = &max14577_safeout_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .n_voltages = 1, + .min_uV = MAX14577_REGULATOR_SAFEOUT_VOLTAGE, + .enable_reg = MAX14577_REG_CONTROL2, + .enable_mask = CTRL2_SFOUTORD_MASK, + }, + [MAX14577_CHARGER] = { + .name = "CHARGER", + .id = MAX14577_CHARGER, + .ops = &max14577_charger_ops, + .type = REGULATOR_CURRENT, + .owner = THIS_MODULE, + .enable_reg = MAX14577_CHG_REG_CHG_CTRL2, + .enable_mask = CHGCTRL2_MBCHOSTEN_MASK, + }, +}; + +#ifdef CONFIG_OF +static struct of_regulator_match max14577_regulator_matches[] = { + { .name = "SAFEOUT", }, + { .name = "CHARGER", }, +}; + +static int max14577_regulator_dt_parse_pdata(struct platform_device *pdev) +{ + int ret; + struct device_node *np; + + np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); + if (!np) { + dev_err(&pdev->dev, "Failed to get child OF node for regulators\n"); + return -EINVAL; + } + + ret = of_regulator_match(&pdev->dev, np, max14577_regulator_matches, + MAX14577_REG_MAX); + if (ret < 0) { + dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret); + return ret; + } + + return 0; +} + +static inline struct regulator_init_data *match_init_data(int index) +{ + return max14577_regulator_matches[index].init_data; +} + +static inline struct device_node *match_of_node(int index) +{ + return max14577_regulator_matches[index].of_node; +} +#else /* CONFIG_OF */ +static int max14577_regulator_dt_parse_pdata(struct platform_device *pdev) +{ + return 0; +} +static inline struct regulator_init_data *match_init_data(int index) +{ + return NULL; +} + +static inline struct device_node *match_of_node(int index) +{ + return NULL; +} +#endif /* CONFIG_OF */ + + +static int max14577_regulator_probe(struct platform_device *pdev) +{ + struct max14577 *max14577 = dev_get_drvdata(pdev->dev.parent); + struct max14577_platform_data *pdata = dev_get_platdata(max14577->dev); + int i, ret; + struct regulator_config config = {}; + + ret = max14577_regulator_dt_parse_pdata(pdev); + if (ret) + return ret; + + config.dev = &pdev->dev; + config.regmap = max14577->regmap; + + for (i = 0; i < ARRAY_SIZE(supported_regulators); i++) { + struct regulator_dev *regulator; + /* + * Index of supported_regulators[] is also the id and must + * match index of pdata->regulators[]. + */ + if (pdata && pdata->regulators) { + config.init_data = pdata->regulators[i].initdata; + config.of_node = pdata->regulators[i].of_node; + } else { + config.init_data = match_init_data(i); + config.of_node = match_of_node(i); + } + + regulator = devm_regulator_register(&pdev->dev, + &supported_regulators[i], &config); + if (IS_ERR(regulator)) { + ret = PTR_ERR(regulator); + dev_err(&pdev->dev, + "Regulator init failed for ID %d with error: %d\n", + i, ret); + return ret; + } + } + + return ret; +} + +static struct platform_driver max14577_regulator_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "max14577-regulator", + }, + .probe = max14577_regulator_probe, +}; + +static int __init max14577_regulator_init(void) +{ + BUILD_BUG_ON(MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START + + MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP * 0xf != + MAX14577_REGULATOR_CURRENT_LIMIT_MAX); + BUILD_BUG_ON(ARRAY_SIZE(supported_regulators) != MAX14577_REG_MAX); + + return platform_driver_register(&max14577_regulator_driver); +} +subsys_initcall(max14577_regulator_init); + +static void __exit max14577_regulator_exit(void) +{ + platform_driver_unregister(&max14577_regulator_driver); +} +module_exit(max14577_regulator_exit); + +MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski@samsung.com>"); +MODULE_DESCRIPTION("MAXIM 14577 regulator driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:max14577-regulator"); diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index feb20bf4cca..5fb899f461d 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -138,6 +138,7 @@ static struct regulator_ops max77693_charger_ops = { .n_voltages = 4, \ .ops = &max77693_safeout_ops, \ .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ .volt_table = max77693_safeout_table, \ .vsel_reg = MAX77693_CHG_REG_SAFEOUT_CTRL, \ .vsel_mask = SAFEOUT_CTRL_SAFEOUT##_num##_MASK, \ diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 96c9f80d955..f374fa57220 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -274,25 +274,25 @@ static struct mc13xxx_regulator mc13892_regulators[] = { MC13892_SW_DEFINE(SW4, SWITCHERS3, SWITCHERS3, mc13892_sw), MC13892_FIXED_DEFINE(SWBST, SWITCHERS5, mc13892_swbst), MC13892_FIXED_DEFINE(VIOHI, REGULATORMODE0, mc13892_viohi), - MC13892_DEFINE_REGU(VPLL, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VPLL, REGULATORMODE0, REGULATORSETTING0, mc13892_vpll), - MC13892_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, mc13892_vdig), - MC13892_DEFINE_REGU(VSD, REGULATORMODE1, REGULATORSETTING1, \ + MC13892_DEFINE_REGU(VSD, REGULATORMODE1, REGULATORSETTING1, mc13892_vsd), - MC13892_DEFINE_REGU(VUSB2, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VUSB2, REGULATORMODE0, REGULATORSETTING0, mc13892_vusb2), - MC13892_DEFINE_REGU(VVIDEO, REGULATORMODE1, REGULATORSETTING1, \ + MC13892_DEFINE_REGU(VVIDEO, REGULATORMODE1, REGULATORSETTING1, mc13892_vvideo), - MC13892_DEFINE_REGU(VAUDIO, REGULATORMODE1, REGULATORSETTING1, \ + MC13892_DEFINE_REGU(VAUDIO, REGULATORMODE1, REGULATORSETTING1, mc13892_vaudio), - MC13892_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, mc13892_vcam), - MC13892_DEFINE_REGU(VGEN1, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VGEN1, REGULATORMODE0, REGULATORSETTING0, mc13892_vgen1), - MC13892_DEFINE_REGU(VGEN2, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VGEN2, REGULATORMODE0, REGULATORSETTING0, mc13892_vgen2), - MC13892_DEFINE_REGU(VGEN3, REGULATORMODE1, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VGEN3, REGULATORMODE1, REGULATORSETTING0, mc13892_vgen3), MC13892_FIXED_DEFINE(VUSB, USB1, mc13892_vusb), MC13892_GPO_DEFINE(GPO1, POWERMISC, mc13892_gpo), @@ -476,8 +476,8 @@ static int mc13892_sw_regulator_set_voltage_sel(struct regulator_dev *rdev, } mc13xxx_lock(priv->mc13xxx); - ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg, mask, - reg_value); + ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg, + mask, reg_value); mc13xxx_unlock(priv->mc13xxx); return ret; diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c index d7da1c15a6d..134f90ec9ca 100644 --- a/drivers/regulator/pcf50633-regulator.c +++ b/drivers/regulator/pcf50633-regulator.c @@ -105,7 +105,7 @@ static int pcf50633_regulator_probe(struct platform_device *pdev) static struct platform_driver pcf50633_regulator_driver = { .driver = { - .name = "pcf50633-regltr", + .name = "pcf50633-regulator", }, .probe = pcf50633_regulator_probe, }; diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index 8b5e4c712a0..ab174f20ca1 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -309,21 +309,24 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip) return ret; switch (value & 0x0f) { - /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */ - case 0x8: - dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8"); - case 0x0: - break; - default: - dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); - return -ENODEV; + /* + * Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 + * as ID=8 + */ + case 0x8: + dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8"); + case 0x0: + break; + default: + dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); + return -ENODEV; } ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value); if (ret) return ret; dev_info(pfuze_chip->dev, - "Full lay: %x, Metal lay: %x\n", + "Full layer: %x, Metal layer: %x\n", (value & 0xf0) >> 4, value & 0x0f); ret = regmap_read(pfuze_chip->regmap, PFUZE100_FABID, &value); @@ -408,31 +411,18 @@ static int pfuze100_regulator_probe(struct i2c_client *client, config.driver_data = pfuze_chip; config.of_node = match_of_node(i); - pfuze_chip->regulators[i] = regulator_register(desc, &config); + pfuze_chip->regulators[i] = + devm_regulator_register(&client->dev, desc, &config); if (IS_ERR(pfuze_chip->regulators[i])) { dev_err(&client->dev, "register regulator%s failed\n", pfuze100_regulators[i].desc.name); - ret = PTR_ERR(pfuze_chip->regulators[i]); - while (--i >= 0) - regulator_unregister(pfuze_chip->regulators[i]); - return ret; + return PTR_ERR(pfuze_chip->regulators[i]); } } return 0; } -static int pfuze100_regulator_remove(struct i2c_client *client) -{ - int i; - struct pfuze_chip *pfuze_chip = i2c_get_clientdata(client); - - for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) - regulator_unregister(pfuze_chip->regulators[i]); - - return 0; -} - static struct i2c_driver pfuze_driver = { .id_table = pfuze_device_id, .driver = { @@ -441,7 +431,6 @@ static struct i2c_driver pfuze_driver = { .of_match_table = pfuze_dt_ids, }, .probe = pfuze100_regulator_probe, - .remove = pfuze100_regulator_remove, }; module_i2c_driver(pfuze_driver); diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 9e61922d823..d9e55799057 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -70,8 +70,6 @@ static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, ramp_delay = s2mps11->ramp_delay2; break; case S2MPS11_BUCK3: - ramp_delay = s2mps11->ramp_delay34; - break; case S2MPS11_BUCK4: ramp_delay = s2mps11->ramp_delay34; break; diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index aeb40aad0ae..d7164bb75d3 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -23,6 +23,7 @@ #include <linux/mfd/samsung/core.h> #include <linux/mfd/samsung/s5m8767.h> #include <linux/regulator/of_regulator.h> +#include <linux/regmap.h> #define S5M8767_OPMODE_NORMAL_MODE 0x1 @@ -120,8 +121,8 @@ static const struct sec_voltage_desc *reg_voltage_map[] = { [S5M8767_BUCK4] = &buck_voltage_val2, [S5M8767_BUCK5] = &buck_voltage_val1, [S5M8767_BUCK6] = &buck_voltage_val1, - [S5M8767_BUCK7] = NULL, - [S5M8767_BUCK8] = NULL, + [S5M8767_BUCK7] = &buck_voltage_val3, + [S5M8767_BUCK8] = &buck_voltage_val3, [S5M8767_BUCK9] = &buck_voltage_val3, }; @@ -217,7 +218,7 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int ret, reg; - int mask = 0xc0, enable_ctrl; + int enable_ctrl; unsigned int val; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); @@ -226,37 +227,38 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev) else if (ret) return ret; - ret = sec_reg_read(s5m8767->iodev, reg, &val); + ret = regmap_read(s5m8767->iodev->regmap_pmic, reg, &val); if (ret) return ret; - return (val & mask) == enable_ctrl; + return (val & S5M8767_ENCTRL_MASK) == enable_ctrl; } static int s5m8767_reg_enable(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int ret, reg; - int mask = 0xc0, enable_ctrl; + int enable_ctrl; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); if (ret) return ret; - return sec_reg_update(s5m8767->iodev, reg, enable_ctrl, mask); + return regmap_update_bits(s5m8767->iodev->regmap_pmic, reg, + S5M8767_ENCTRL_MASK, enable_ctrl); } static int s5m8767_reg_disable(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); - int ret, reg; - int mask = 0xc0, enable_ctrl; + int ret, reg, enable_ctrl; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); if (ret) return ret; - return sec_reg_update(s5m8767->iodev, reg, ~mask, mask); + return regmap_update_bits(s5m8767->iodev->regmap_pmic, reg, + S5M8767_ENCTRL_MASK, ~S5M8767_ENCTRL_MASK); } static int s5m8767_get_vsel_reg(int reg_id, struct s5m8767_info *s5m8767) @@ -417,9 +419,12 @@ static struct regulator_ops s5m8767_ops = { }; static struct regulator_ops s5m8767_buck78_ops = { + .list_voltage = regulator_list_voltage_linear, .is_enabled = s5m8767_reg_is_enabled, .enable = s5m8767_reg_enable, .disable = s5m8767_reg_disable, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, }; #define s5m8767_regulator_desc(_name) { \ @@ -745,17 +750,20 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) buck_init = s5m8767_convert_voltage_to_sel(&buck_voltage_val2, pdata->buck2_init); - sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK2DVS2, buck_init); + regmap_write(s5m8767->iodev->regmap_pmic, S5M8767_REG_BUCK2DVS2, + buck_init); buck_init = s5m8767_convert_voltage_to_sel(&buck_voltage_val2, pdata->buck3_init); - sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK3DVS2, buck_init); + regmap_write(s5m8767->iodev->regmap_pmic, S5M8767_REG_BUCK3DVS2, + buck_init); buck_init = s5m8767_convert_voltage_to_sel(&buck_voltage_val2, pdata->buck4_init); - sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK4DVS2, buck_init); + regmap_write(s5m8767->iodev->regmap_pmic, S5M8767_REG_BUCK4DVS2, + buck_init); for (i = 0; i < 8; i++) { if (s5m8767->buck2_gpiodvs) { @@ -837,71 +845,76 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs || pdata->buck4_gpiodvs) { - sec_reg_update(s5m8767->iodev, S5M8767_REG_BUCK2CTRL, - (pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1), - 1 << 1); - sec_reg_update(s5m8767->iodev, S5M8767_REG_BUCK3CTRL, - (pdata->buck3_gpiodvs) ? (1 << 1) : (0 << 1), - 1 << 1); - sec_reg_update(s5m8767->iodev, S5M8767_REG_BUCK4CTRL, - (pdata->buck4_gpiodvs) ? (1 << 1) : (0 << 1), - 1 << 1); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK2CTRL, 1 << 1, + (pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1)); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK3CTRL, 1 << 1, + (pdata->buck3_gpiodvs) ? (1 << 1) : (0 << 1)); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK4CTRL, 1 << 1, + (pdata->buck4_gpiodvs) ? (1 << 1) : (0 << 1)); } /* Initialize GPIO DVS registers */ for (i = 0; i < 8; i++) { if (s5m8767->buck2_gpiodvs) { - sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK2DVS1 + i, - s5m8767->buck2_vol[i]); + regmap_write(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK2DVS1 + i, + s5m8767->buck2_vol[i]); } if (s5m8767->buck3_gpiodvs) { - sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK3DVS1 + i, - s5m8767->buck3_vol[i]); + regmap_write(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK3DVS1 + i, + s5m8767->buck3_vol[i]); } if (s5m8767->buck4_gpiodvs) { - sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK4DVS1 + i, - s5m8767->buck4_vol[i]); + regmap_write(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK4DVS1 + i, + s5m8767->buck4_vol[i]); } } if (s5m8767->buck2_ramp) - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x08, 0x08); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_DVSRAMP, 0x08, 0x08); if (s5m8767->buck3_ramp) - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x04, 0x04); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_DVSRAMP, 0x04, 0x04); if (s5m8767->buck4_ramp) - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x02, 0x02); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_DVSRAMP, 0x02, 0x02); if (s5m8767->buck2_ramp || s5m8767->buck3_ramp || s5m8767->buck4_ramp) { + unsigned int val; switch (s5m8767->ramp_delay) { case 5: - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, - 0x40, 0xf0); + val = S5M8767_DVS_BUCK_RAMP_5; break; case 10: - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, - 0x90, 0xf0); + val = S5M8767_DVS_BUCK_RAMP_10; break; case 25: - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, - 0xd0, 0xf0); + val = S5M8767_DVS_BUCK_RAMP_25; break; case 50: - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, - 0xe0, 0xf0); + val = S5M8767_DVS_BUCK_RAMP_50; break; case 100: - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, - 0xf0, 0xf0); + val = S5M8767_DVS_BUCK_RAMP_100; break; default: - sec_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, - 0x90, 0xf0); + val = S5M8767_DVS_BUCK_RAMP_10; } + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_DVSRAMP, + S5M8767_DVS_BUCK_RAMP_MASK, + val << S5M8767_DVS_BUCK_RAMP_SHIFT); } for (i = 0; i < pdata->num_regulators; i++) { diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c index f78857bd6a1..a7e152696a0 100644 --- a/drivers/regulator/stw481x-vmmc.c +++ b/drivers/regulator/stw481x-vmmc.c @@ -74,7 +74,8 @@ static int stw481x_vmmc_regulator_probe(struct platform_device *pdev) config.init_data = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node); - stw481x->vmmc_regulator = regulator_register(&vmmc_regulator, &config); + stw481x->vmmc_regulator = devm_regulator_register(&pdev->dev, + &vmmc_regulator, &config); if (IS_ERR(stw481x->vmmc_regulator)) { dev_err(&pdev->dev, "error initializing STw481x VMMC regulator\n"); @@ -85,14 +86,6 @@ static int stw481x_vmmc_regulator_probe(struct platform_device *pdev) return 0; } -static int stw481x_vmmc_regulator_remove(struct platform_device *pdev) -{ - struct stw481x *stw481x = dev_get_platdata(&pdev->dev); - - regulator_unregister(stw481x->vmmc_regulator); - return 0; -} - static const struct of_device_id stw481x_vmmc_match[] = { { .compatible = "st,stw481x-vmmc", }, {}, @@ -105,7 +98,6 @@ static struct platform_driver stw481x_vmmc_regulator_driver = { .of_match_table = stw481x_vmmc_match, }, .probe = stw481x_vmmc_regulator_probe, - .remove = stw481x_vmmc_regulator_remove, }; module_platform_driver(stw481x_vmmc_regulator_driver); diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index b0a3f0917a2..b3764f594ee 100644 --- a/drivers/regulator/tps51632-regulator.c +++ b/drivers/regulator/tps51632-regulator.c @@ -70,16 +70,16 @@ #define TPS51632_POWER_STATE_SINGLE_PHASE_CCM 0x1 #define TPS51632_POWER_STATE_SINGLE_PHASE_DCM 0x2 -#define TPS51632_MIN_VOLATGE 500000 -#define TPS51632_MAX_VOLATGE 1520000 -#define TPS51632_VOLATGE_STEP_10mV 10000 -#define TPS51632_VOLATGE_STEP_20mV 20000 +#define TPS51632_MIN_VOLTAGE 500000 +#define TPS51632_MAX_VOLTAGE 1520000 +#define TPS51632_VOLTAGE_STEP_10mV 10000 +#define TPS51632_VOLTAGE_STEP_20mV 20000 #define TPS51632_MAX_VSEL 0x7F #define TPS51632_MIN_VSEL 0x19 #define TPS51632_DEFAULT_RAMP_DELAY 6000 #define TPS51632_VOLT_VSEL(uV) \ - (DIV_ROUND_UP(uV - TPS51632_MIN_VOLATGE, \ - TPS51632_VOLATGE_STEP_10mV) + \ + (DIV_ROUND_UP(uV - TPS51632_MIN_VOLTAGE, \ + TPS51632_VOLTAGE_STEP_10mV) + \ TPS51632_MIN_VSEL) /* TPS51632 chip information */ @@ -243,9 +243,9 @@ static struct tps51632_regulator_platform_data * pdata->dvfs_step_20mV = of_property_read_bool(np, "ti,dvfs-step-20mV"); pdata->base_voltage_uV = pdata->reg_init_data->constraints.min_uV ? : - TPS51632_MIN_VOLATGE; + TPS51632_MIN_VOLTAGE; pdata->max_voltage_uV = pdata->reg_init_data->constraints.max_uV ? : - TPS51632_MAX_VOLATGE; + TPS51632_MAX_VOLTAGE; return pdata; } #else @@ -284,15 +284,15 @@ static int tps51632_probe(struct i2c_client *client, } if (pdata->enable_pwm_dvfs) { - if ((pdata->base_voltage_uV < TPS51632_MIN_VOLATGE) || - (pdata->base_voltage_uV > TPS51632_MAX_VOLATGE)) { + if ((pdata->base_voltage_uV < TPS51632_MIN_VOLTAGE) || + (pdata->base_voltage_uV > TPS51632_MAX_VOLTAGE)) { dev_err(&client->dev, "Invalid base_voltage_uV setting\n"); return -EINVAL; } if ((pdata->max_voltage_uV) && - ((pdata->max_voltage_uV < TPS51632_MIN_VOLATGE) || - (pdata->max_voltage_uV > TPS51632_MAX_VOLATGE))) { + ((pdata->max_voltage_uV < TPS51632_MIN_VOLTAGE) || + (pdata->max_voltage_uV > TPS51632_MAX_VOLTAGE))) { dev_err(&client->dev, "Invalid max_voltage_uV setting\n"); return -EINVAL; } @@ -305,11 +305,11 @@ static int tps51632_probe(struct i2c_client *client, } tps->dev = &client->dev; - tps->desc.name = id->name; + tps->desc.name = client->name; tps->desc.id = 0; tps->desc.ramp_delay = TPS51632_DEFAULT_RAMP_DELAY; - tps->desc.min_uV = TPS51632_MIN_VOLATGE; - tps->desc.uV_step = TPS51632_VOLATGE_STEP_10mV; + tps->desc.min_uV = TPS51632_MIN_VOLTAGE; + tps->desc.uV_step = TPS51632_VOLTAGE_STEP_10mV; tps->desc.linear_min_sel = TPS51632_MIN_VSEL; tps->desc.n_voltages = TPS51632_MAX_VSEL + 1; tps->desc.ops = &tps51632_dcdc_ops; diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c index c2c0185a2dc..c3fa15a299b 100644 --- a/drivers/regulator/tps62360-regulator.c +++ b/drivers/regulator/tps62360-regulator.c @@ -360,7 +360,7 @@ static int tps62360_probe(struct i2c_client *client, dev_err(&client->dev, "Error: No device match found\n"); return -ENODEV; } - chip_id = (int)match->data; + chip_id = (int)(long)match->data; if (!pdata) pdata = of_get_tps62360_platform_data(&client->dev); } else if (id) { diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index a00132e31ec..f50dd847eeb 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -88,6 +88,11 @@ static const unsigned int VMMC_VSEL_table[] = { 1800000, 2800000, 3000000, 3300000, }; +/* supported BBCH voltages in microvolts */ +static const unsigned int VBB_VSEL_table[] = { + 3000000, 2520000, 3150000, 5000000, +}; + struct tps_info { const char *name; const char *vin_name; @@ -183,6 +188,12 @@ static struct tps_info tps65910_regs[] = { .voltage_table = VMMC_VSEL_table, .enable_time_us = 100, }, + { + .name = "vbb", + .vin_name = "vcc7", + .n_voltages = ARRAY_SIZE(VBB_VSEL_table), + .voltage_table = VBB_VSEL_table, + }, }; static struct tps_info tps65911_regs[] = { @@ -339,6 +350,8 @@ static int tps65910_get_ctrl_register(int id) return TPS65910_VAUX33; case TPS65910_REG_VMMC: return TPS65910_VMMC; + case TPS65910_REG_VBB: + return TPS65910_BBCH; default: return -EINVAL; } @@ -528,6 +541,10 @@ static int tps65910_get_voltage_sel(struct regulator_dev *dev) value &= LDO_SEL_MASK; value >>= LDO_SEL_SHIFT; break; + case TPS65910_REG_VBB: + value &= BBCH_BBSEL_MASK; + value >>= BBCH_BBSEL_SHIFT; + break; default: return -EINVAL; } @@ -638,6 +655,9 @@ static int tps65910_set_voltage_sel(struct regulator_dev *dev, case TPS65910_REG_VMMC: return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK, selector << LDO_SEL_SHIFT); + case TPS65910_REG_VBB: + return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK, + selector << BBCH_BBSEL_SHIFT); } return -EINVAL; @@ -669,6 +689,9 @@ static int tps65911_set_voltage_sel(struct regulator_dev *dev, case TPS65910_REG_VIO: return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK, selector << LDO_SEL_SHIFT); + case TPS65910_REG_VBB: + return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK, + selector << BBCH_BBSEL_SHIFT); } return -EINVAL; @@ -762,6 +785,18 @@ static struct regulator_ops tps65910_ops_vdd3 = { .map_voltage = regulator_map_voltage_ascend, }; +static struct regulator_ops tps65910_ops_vbb = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_mode = tps65910_set_mode, + .get_mode = tps65910_get_mode, + .get_voltage_sel = tps65910_get_voltage_sel, + .set_voltage_sel = tps65910_set_voltage_sel, + .list_voltage = regulator_list_voltage_table, + .map_voltage = regulator_map_voltage_iterate, +}; + static struct regulator_ops tps65910_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, @@ -944,6 +979,7 @@ static struct of_regulator_match tps65910_matches[] = { { .name = "vaux2", .driver_data = (void *) &tps65910_regs[10] }, { .name = "vaux33", .driver_data = (void *) &tps65910_regs[11] }, { .name = "vmmc", .driver_data = (void *) &tps65910_regs[12] }, + { .name = "vbb", .driver_data = (void *) &tps65910_regs[13] }, }; static struct of_regulator_match tps65911_matches[] = { @@ -1145,6 +1181,10 @@ static int tps65910_probe(struct platform_device *pdev) pmic->desc[i].ops = &tps65910_ops_dcdc; pmic->desc[i].ramp_delay = 5000; } + } else if (i == TPS65910_REG_VBB && + tps65910_chip_id(tps65910) == TPS65910) { + pmic->desc[i].ops = &tps65910_ops_vbb; + pmic->desc[i].volt_table = info->voltage_table; } else { if (tps65910_chip_id(tps65910) == TPS65910) { pmic->desc[i].ops = &tps65910_ops; diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 8ebd785485c..fed28abef41 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -58,7 +58,7 @@ struct twlreg_info { struct regulator_desc desc; /* chip specific features */ - unsigned long features; + unsigned long features; /* * optional override functions for voltage set/get @@ -1128,7 +1128,7 @@ static int twlreg_probe(struct platform_device *pdev) if (!initdata) return -EINVAL; - info = kmemdup(template, sizeof (*info), GFP_KERNEL); + info = kmemdup(template, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 6823e6f2b88..04cf9c16ef2 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -762,8 +762,7 @@ static int wm831x_boostp_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_REG, 0); if (res == NULL) { dev_err(&pdev->dev, "No REG resource\n"); - ret = -EINVAL; - goto err; + return -EINVAL; } dcdc->base = res->start; @@ -788,7 +787,7 @@ static int wm831x_boostp_probe(struct platform_device *pdev) ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", id + 1, ret); - goto err; + return ret; } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); @@ -799,15 +798,12 @@ static int wm831x_boostp_probe(struct platform_device *pdev) if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err; + return ret; } platform_set_drvdata(pdev, dcdc); return 0; - -err: - return ret; } static struct platform_driver wm831x_boostp_driver = { |