diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/regulator/Makefile | 1 | ||||
| -rw-r--r-- | drivers/regulator/axp20x-regulator.c | 6 | ||||
| -rw-r--r-- | drivers/regulator/core.c | 16 | ||||
| -rw-r--r-- | drivers/regulator/cpcap-regulator.c | 21 | ||||
| -rw-r--r-- | drivers/regulator/da9063-regulator.c | 2 | ||||
| -rw-r--r-- | drivers/regulator/fan53555.c | 15 | ||||
| -rw-r--r-- | drivers/regulator/ltc3589.c | 2 | ||||
| -rw-r--r-- | drivers/regulator/max1586.c | 2 | ||||
| -rw-r--r-- | drivers/regulator/mt6380-regulator.c | 352 | ||||
| -rw-r--r-- | drivers/regulator/of_regulator.c | 2 | ||||
| -rw-r--r-- | drivers/regulator/pv88090-regulator.c | 11 | ||||
| -rw-r--r-- | drivers/regulator/pv88090-regulator.h | 8 | ||||
| -rw-r--r-- | drivers/regulator/pwm-regulator.c | 6 | ||||
| -rw-r--r-- | drivers/regulator/s5m8767.c | 4 |
15 files changed, 424 insertions, 33 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 99b9362331b5..1205e82971d0 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -559,6 +559,15 @@ config REGULATOR_MT6323 This driver supports the control of different power rails of device through regulator interface. +config REGULATOR_MT6380 + tristate "MediaTek MT6380 PMIC" + depends on MTK_PMIC_WRAP + help + Say y here to select this option to enable the power regulator of + MediaTek MT6380 PMIC. + This driver supports the control of different power rails of device + through regulator interface. + config REGULATOR_MT6397 tristate "MediaTek MT6397 PMIC" depends on MFD_MT6397 diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 95b1e86ae692..81514b8c3932 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -72,6 +72,7 @@ obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o +obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index e2608fe770b9..f18b36dd57dd 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -691,6 +691,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev) (regulators == axp809_regulators && i == AXP809_DC1SW)) { new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), GFP_KERNEL); + if (!new_desc) + return -ENOMEM; + *new_desc = regulators[i]; new_desc->supply_name = dcdc1_name; desc = new_desc; @@ -700,6 +703,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev) (regulators == axp809_regulators && i == AXP809_DC5LDO)) { new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), GFP_KERNEL); + if (!new_desc) + return -ENOMEM; + *new_desc = regulators[i]; new_desc->supply_name = dcdc5_name; desc = new_desc; diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index e567fa54980b..b64b7916507f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -204,8 +204,8 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp regnode = of_parse_phandle(dev->of_node, prop_name, 0); if (!regnode) { - dev_dbg(dev, "Looking up %s property in node %s failed\n", - prop_name, dev->of_node->full_name); + dev_dbg(dev, "Looking up %s property in node %pOF failed\n", + prop_name, dev->of_node); return NULL; } return regnode; @@ -2396,6 +2396,14 @@ static void regulator_disable_work(struct work_struct *work) count = rdev->deferred_disables; rdev->deferred_disables = 0; + /* + * Workqueue functions queue the new work instance while the previous + * work instance is being processed. Cancel the queued work instance + * as the work instance under processing does the job of the queued + * work instance. + */ + cancel_delayed_work(&rdev->disable_work); + for (i = 0; i < count; i++) { ret = _regulator_disable(rdev); if (ret != 0) @@ -2439,10 +2447,10 @@ int regulator_disable_deferred(struct regulator *regulator, int ms) mutex_lock(&rdev->mutex); rdev->deferred_disables++; + mod_delayed_work(system_power_efficient_wq, &rdev->disable_work, + msecs_to_jiffies(ms)); mutex_unlock(&rdev->mutex); - queue_delayed_work(system_power_efficient_wq, &rdev->disable_work, - msecs_to_jiffies(ms)); return 0; } EXPORT_SYMBOL_GPL(regulator_disable_deferred); diff --git a/drivers/regulator/cpcap-regulator.c b/drivers/regulator/cpcap-regulator.c index cc98aceed1c1..f541b80f1b54 100644 --- a/drivers/regulator/cpcap-regulator.c +++ b/drivers/regulator/cpcap-regulator.c @@ -77,6 +77,8 @@ #define CPCAP_BIT_VAUDIO_MODE0 BIT(1) #define CPCAP_BIT_V_AUDIO_EN BIT(0) +#define CPCAP_BIT_AUDIO_NORMAL_MODE 0x00 + /* * Off mode configuration bit. Used currently only by SW5 on omap4. There's * the following comment in Motorola Linux kernel tree for it: @@ -121,6 +123,7 @@ struct cpcap_regulator { .enable_val = (mode_val), \ .disable_val = (off_val), \ .ramp_delay = (volt_trans_time), \ + .of_map_mode = cpcap_map_mode, \ }, \ .assign_reg = (assignment_reg), \ .assign_mask = (assignment_mask), \ @@ -211,13 +214,25 @@ static int cpcap_regulator_disable(struct regulator_dev *rdev) return error; } +static unsigned int cpcap_map_mode(unsigned int mode) +{ + switch (mode) { + case CPCAP_BIT_AUDIO_NORMAL_MODE: + return REGULATOR_MODE_NORMAL; + case CPCAP_BIT_AUDIO_LOW_PWR: + return REGULATOR_MODE_STANDBY; + default: + return -EINVAL; + } +} + static unsigned int cpcap_regulator_get_mode(struct regulator_dev *rdev) { int value; regmap_read(rdev->regmap, rdev->desc->enable_reg, &value); - if (!(value & CPCAP_BIT_AUDIO_LOW_PWR)) + if (value & CPCAP_BIT_AUDIO_LOW_PWR) return REGULATOR_MODE_STANDBY; return REGULATOR_MODE_NORMAL; @@ -230,10 +245,10 @@ static int cpcap_regulator_set_mode(struct regulator_dev *rdev, switch (mode) { case REGULATOR_MODE_NORMAL: - value = CPCAP_BIT_AUDIO_LOW_PWR; + value = CPCAP_BIT_AUDIO_NORMAL_MODE; break; case REGULATOR_MODE_STANDBY: - value = 0; + value = CPCAP_BIT_AUDIO_LOW_PWR; break; default: return -EINVAL; diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index c6af343f54ea..6a8f9cd69f52 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -736,7 +736,7 @@ static int da9063_regulator_probe(struct platform_device *pdev) if (IS_ERR(regl_pdata) || regl_pdata->n_regulators == 0) { dev_err(&pdev->dev, "No regulators defined for the platform\n"); - return PTR_ERR(regl_pdata); + return -ENODEV; } /* Find regulators set for particular device model */ diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c index 60f431831582..a3bc8037153e 100644 --- a/drivers/regulator/fan53555.c +++ b/drivers/regulator/fan53555.c @@ -407,14 +407,8 @@ static int fan53555_regulator_probe(struct i2c_client *client, di->regulator = pdata->regulator; if (client->dev.of_node) { - const struct of_device_id *match; - - match = of_match_device(of_match_ptr(fan53555_dt_ids), - &client->dev); - if (!match) - return -ENODEV; - - di->vendor = (unsigned long) match->data; + di->vendor = + (unsigned long)of_device_get_match_data(&client->dev); } else { /* if no ramp constraint set, get the pdata ramp_delay */ if (!di->regulator->constraints.ramp_delay) { @@ -476,7 +470,10 @@ static const struct i2c_device_id fan53555_id[] = { .name = "fan53555", .driver_data = FAN53555_VENDOR_FAIRCHILD }, { - .name = "syr82x", + .name = "syr827", + .driver_data = FAN53555_VENDOR_SILERGY + }, { + .name = "syr828", .driver_data = FAN53555_VENDOR_SILERGY }, { }, diff --git a/drivers/regulator/ltc3589.c b/drivers/regulator/ltc3589.c index 853a06ad86d6..18d5b01ddcb2 100644 --- a/drivers/regulator/ltc3589.c +++ b/drivers/regulator/ltc3589.c @@ -539,7 +539,7 @@ static int ltc3589_probe(struct i2c_client *client, return 0; } -static struct i2c_device_id ltc3589_i2c_id[] = { +static const struct i2c_device_id ltc3589_i2c_id[] = { { "ltc3589", LTC3589 }, { "ltc3589-1", LTC3589_1 }, { "ltc3589-2", LTC3589_2 }, diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 6779c2b53674..66bbaa999433 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c @@ -169,7 +169,7 @@ static int of_get_max1586_platform_data(struct device *dev, if (of_property_read_u32(np, "v3-gain", &pdata->v3_gain) < 0) { - dev_err(dev, "%s has no 'v3-gain' property\n", np->full_name); + dev_err(dev, "%pOF has no 'v3-gain' property\n", np); return -EINVAL; } diff --git a/drivers/regulator/mt6380-regulator.c b/drivers/regulator/mt6380-regulator.c new file mode 100644 index 000000000000..127dd720cbcc --- /dev/null +++ b/drivers/regulator/mt6380-regulator.c @@ -0,0 +1,352 @@ +/* + * Copyright (c) 2017 MediaTek Inc. + * Author: Chenglin Xu <chenglin.xu@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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/of.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/mt6380-regulator.h> +#include <linux/regulator/of_regulator.h> + +/* PMIC Registers */ +#define MT6380_ALDO_CON_0 0x0000 +#define MT6380_BTLDO_CON_0 0x0004 +#define MT6380_COMP_CON_0 0x0008 +#define MT6380_CPUBUCK_CON_0 0x000C +#define MT6380_CPUBUCK_CON_1 0x0010 +#define MT6380_CPUBUCK_CON_2 0x0014 +#define MT6380_DDRLDO_CON_0 0x0018 +#define MT6380_MLDO_CON_0 0x001C +#define MT6380_PALDO_CON_0 0x0020 +#define MT6380_PHYLDO_CON_0 0x0024 +#define MT6380_SIDO_CON_0 0x0028 +#define MT6380_SIDO_CON_1 0x002C +#define MT6380_SIDO_CON_2 0x0030 +#define MT6380_SLDO_CON_0 0x0034 +#define MT6380_TLDO_CON_0 0x0038 +#define MT6380_STARTUP_CON_0 0x003C +#define MT6380_STARTUP_CON_1 0x0040 +#define MT6380_SMPS_TOP_CON_0 0x0044 +#define MT6380_SMPS_TOP_CON_1 0x0048 +#define MT6380_ANA_CTRL_0 0x0050 +#define MT6380_ANA_CTRL_1 0x0054 +#define MT6380_ANA_CTRL_2 0x0058 +#define MT6380_ANA_CTRL_3 0x005C +#define MT6380_ANA_CTRL_4 0x0060 +#define MT6380_SPK_CON9 0x0064 +#define MT6380_SPK_CON11 0x0068 +#define MT6380_SPK_CON12 0x006A +#define MT6380_CLK_CTRL 0x0070 +#define MT6380_PINMUX_CTRL 0x0074 +#define MT6380_IO_CTRL 0x0078 +#define MT6380_SLP_MODE_CTRL_0 0x007C +#define MT6380_SLP_MODE_CTRL_1 0x0080 +#define MT6380_SLP_MODE_CTRL_2 0x0084 +#define MT6380_SLP_MODE_CTRL_3 0x0088 +#define MT6380_SLP_MODE_CTRL_4 0x008C +#define MT6380_SLP_MODE_CTRL_5 0x0090 +#define MT6380_SLP_MODE_CTRL_6 0x0094 +#define MT6380_SLP_MODE_CTRL_7 0x0098 +#define MT6380_SLP_MODE_CTRL_8 0x009C +#define MT6380_FCAL_CTRL_0 0x00A0 +#define MT6380_FCAL_CTRL_1 0x00A4 +#define MT6380_LDO_CTRL_0 0x00A8 +#define MT6380_LDO_CTRL_1 0x00AC +#define MT6380_LDO_CTRL_2 0x00B0 +#define MT6380_LDO_CTRL_3 0x00B4 +#define MT6380_LDO_CTRL_4 0x00B8 +#define MT6380_DEBUG_CTRL_0 0x00BC +#define MT6380_EFU_CTRL_0 0x0200 +#define MT6380_EFU_CTRL_1 0x0201 +#define MT6380_EFU_CTRL_2 0x0202 +#define MT6380_EFU_CTRL_3 0x0203 +#define MT6380_EFU_CTRL_4 0x0204 +#define MT6380_EFU_CTRL_5 0x0205 +#define MT6380_EFU_CTRL_6 0x0206 +#define MT6380_EFU_CTRL_7 0x0207 +#define MT6380_EFU_CTRL_8 0x0208 + +#define MT6380_REGULATOR_MODE_AUTO 0 +#define MT6380_REGULATOR_MODE_FORCE_PWM 1 + +/* + * mt6380 regulators' information + * + * @desc: standard fields of regulator description + * @vselon_reg: Register sections for hardware control mode of bucks + * @modeset_reg: Register for controlling the buck/LDO control mode + * @modeset_mask: Mask for controlling the buck/LDO control mode + */ +struct mt6380_regulator_info { + struct regulator_desc desc; + u32 vselon_reg; + u32 modeset_reg; + u32 modeset_mask; +}; + +#define MT6380_BUCK(match, vreg, min, max, step, volt_ranges, enreg, \ + vosel, vosel_mask, enbit, voselon, _modeset_reg, \ + _modeset_mask) \ +[MT6380_ID_##vreg] = { \ + .desc = { \ + .name = #vreg, \ + .of_match = of_match_ptr(match), \ + .ops = &mt6380_volt_range_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MT6380_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = ((max) - (min)) / (step) + 1, \ + .linear_ranges = volt_ranges, \ + .n_linear_ranges = ARRAY_SIZE(volt_ranges), \ + .vsel_reg = vosel, \ + .vsel_mask = vosel_mask, \ + .enable_reg = enreg, \ + .enable_mask = BIT(enbit), \ + }, \ + .vselon_reg = voselon, \ + .modeset_reg = _modeset_reg, \ + .modeset_mask = _modeset_mask, \ +} + +#define MT6380_LDO(match, vreg, ldo_volt_table, enreg, enbit, vosel, \ + vosel_mask, _modeset_reg, _modeset_mask) \ +[MT6380_ID_##vreg] = { \ + .desc = { \ + .name = #vreg, \ + .of_match = of_match_ptr(match), \ + .ops = &mt6380_volt_table_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MT6380_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = ARRAY_SIZE(ldo_volt_table), \ + .volt_table = ldo_volt_table, \ + .vsel_reg = vosel, \ + .vsel_mask = vosel_mask, \ + .enable_reg = enreg, \ + .enable_mask = BIT(enbit), \ + }, \ + .modeset_reg = _modeset_reg, \ + .modeset_mask = _modeset_mask, \ +} + +#define MT6380_REG_FIXED(match, vreg, enreg, enbit, volt, \ + _modeset_reg, _modeset_mask) \ +[MT6380_ID_##vreg] = { \ + .desc = { \ + .name = #vreg, \ + .of_match = of_match_ptr(match), \ + .ops = &mt6380_volt_fixed_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MT6380_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = 1, \ + .enable_reg = enreg, \ + .enable_mask = BIT(enbit), \ + .min_uV = volt, \ + }, \ + .modeset_reg = _modeset_reg, \ + .modeset_mask = _modeset_mask, \ +} + +static const struct regulator_linear_range buck_volt_range1[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 0xfe, 6250), +}; + +static const struct regulator_linear_range buck_volt_range2[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 0xfe, 6250), +}; + +static const struct regulator_linear_range buck_volt_range3[] = { + REGULATOR_LINEAR_RANGE(1200000, 0, 0x3c, 25000), +}; + +static const u32 ldo_volt_table1[] = { + 1400000, 1350000, 1300000, 1250000, 1200000, 1150000, 1100000, 1050000, +}; + +static const u32 ldo_volt_table2[] = { + 2200000, 3300000, +}; + +static const u32 ldo_volt_table3[] = { + 1240000, 1390000, 1540000, 1840000, +}; + +static const u32 ldo_volt_table4[] = { + 2200000, 3300000, +}; + +static int mt6380_regulator_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + int ret, val = 0; + struct mt6380_regulator_info *info = rdev_get_drvdata(rdev); + + switch (mode) { + case REGULATOR_MODE_NORMAL: + val = MT6380_REGULATOR_MODE_AUTO; + break; + case REGULATOR_MODE_FAST: + val = MT6380_REGULATOR_MODE_FORCE_PWM; + break; + default: + return -EINVAL; + } + + val <<= ffs(info->modeset_mask) - 1; + + ret = regmap_update_bits(rdev->regmap, info->modeset_reg, + info->modeset_mask, val); + + return ret; +} + +static unsigned int mt6380_regulator_get_mode(struct regulator_dev *rdev) +{ + unsigned int val; + unsigned int mode; + int ret; + struct mt6380_regulator_info *info = rdev_get_drvdata(rdev); + + ret = regmap_read(rdev->regmap, info->modeset_reg, &val); + if (ret < 0) + return ret; + + val &= info->modeset_mask; + val >>= ffs(info->modeset_mask) - 1; + + switch (val) { + case MT6380_REGULATOR_MODE_AUTO: + mode = REGULATOR_MODE_NORMAL; + break; + case MT6380_REGULATOR_MODE_FORCE_PWM: + mode = REGULATOR_MODE_FAST; + break; + default: + return -EINVAL; + } + + return mode; +} + +static const struct regulator_ops mt6380_volt_range_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_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, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_mode = mt6380_regulator_set_mode, + .get_mode = mt6380_regulator_get_mode, +}; + +static const struct regulator_ops mt6380_volt_table_ops = { + .list_voltage = regulator_list_voltage_table, + .map_voltage = regulator_map_voltage_iterate, + .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, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_mode = mt6380_regulator_set_mode, + .get_mode = mt6380_regulator_get_mode, +}; + +static const struct regulator_ops mt6380_volt_fixed_ops = { + .list_voltage = regulator_list_voltage_linear, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_mode = mt6380_regulator_set_mode, + .get_mode = mt6380_regulator_get_mode, +}; + +/* The array is indexed by id(MT6380_ID_XXX) */ +static struct mt6380_regulator_info mt6380_regulators[] = { + MT6380_BUCK("buck-vcore1", VCPU, 600000, 1393750, 6250, + buck_volt_range1, MT6380_ANA_CTRL_3, MT6380_ANA_CTRL_1, + 0xfe, 3, MT6380_ANA_CTRL_1, + MT6380_CPUBUCK_CON_0, 0x8000000), + MT6380_BUCK("buck-vcore", VCORE, 600000, 1393750, 6250, + buck_volt_range2, MT6380_ANA_CTRL_3, MT6380_ANA_CTRL_2, + 0xfe, 2, MT6380_ANA_CTRL_2, MT6380_SIDO_CON_0, 0x1000000), + MT6380_BUCK("buck-vrf", VRF, 1200000, 1575000, 25000, + buck_volt_range3, MT6380_ANA_CTRL_3, MT6380_SIDO_CON_0, + 0x78, 1, MT6380_SIDO_CON_0, MT6380_SIDO_CON_0, 0x8000), + MT6380_LDO("ldo-vm", VMLDO, ldo_volt_table1, MT6380_LDO_CTRL_0, + 1, MT6380_MLDO_CON_0, 0xE000, MT6380_ANA_CTRL_1, 0x4000000), + MT6380_LDO("ldo-va", VALDO, ldo_volt_table2, MT6380_LDO_CTRL_0, + 2, MT6380_ALDO_CON_0, 0x400, MT6380_ALDO_CON_0, 0x20), + MT6380_REG_FIXED("ldo-vphy", VPHYLDO, MT6380_LDO_CTRL_0, 7, 1800000, + MT6380_PHYLDO_CON_0, 0x80), + MT6380_LDO("ldo-vddr", VDDRLDO, ldo_volt_table3, MT6380_LDO_CTRL_0, + 8, MT6380_DDRLDO_CON_0, 0x3000, MT6380_DDRLDO_CON_0, 0x80), + MT6380_LDO("ldo-vt", VTLDO, ldo_volt_table4, MT6380_LDO_CTRL_0, 3, + MT6380_TLDO_CON_0, 0x400, MT6380_TLDO_CON_0, 0x20), +}; + +static int mt6380_regulator_probe(struct platform_device *pdev) +{ + struct regmap *regmap = dev_get_regmap(pdev->dev.parent, NULL); + struct regulator_config config = {}; + struct regulator_dev *rdev; + int i; + + for (i = 0; i < MT6380_MAX_REGULATOR; i++) { + config.dev = &pdev->dev; + config.driver_data = &mt6380_regulators[i]; + config.regmap = regmap; + rdev = devm_regulator_register(&pdev->dev, + &mt6380_regulators[i].desc, + &config); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "failed to register %s\n", + mt6380_regulators[i].desc.name); + return PTR_ERR(rdev); + } + } + return 0; +} + +static const struct platform_device_id mt6380_platform_ids[] = { + {"mt6380-regulator", 0}, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(platform, mt6380_platform_ids); + +static const struct of_device_id mt6380_of_match[] = { + { .compatible = "mediatek,mt6380-regulator", }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, mt6380_of_match); + +static struct platform_driver mt6380_regulator_driver = { + .driver = { + .name = "mt6380-regulator", + .of_match_table = of_match_ptr(mt6380_of_match), + }, + .probe = mt6380_regulator_probe, + .id_table = mt6380_platform_ids, +}; + +module_platform_driver(mt6380_regulator_driver); + +MODULE_AUTHOR("Chenglin Xu <chenglin.xu@mediatek.com>"); +MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6380 PMIC"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 96bf75458da5..9dd44dd4cdf6 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -333,7 +333,7 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev, search = of_get_child_by_name(dev->of_node, desc->regulators_node); else - search = dev->of_node; + search = of_node_get(dev->of_node); if (!search) { dev_dbg(dev, "Failed to find regulator container node '%s'\n", diff --git a/drivers/regulator/pv88090-regulator.c b/drivers/regulator/pv88090-regulator.c index ab51e254d13a..7a0c15957bd0 100644 --- a/drivers/regulator/pv88090-regulator.c +++ b/drivers/regulator/pv88090-regulator.c @@ -43,7 +43,7 @@ enum { struct pv88090_regulator { struct regulator_desc desc; /* Current limiting */ - unsigned n_current_limits; + unsigned int n_current_limits; const int *current_limits; unsigned int limit_mask; unsigned int conf; @@ -398,9 +398,14 @@ static int pv88090_i2c_probe(struct i2c_client *i2c, return ret; range = (range >> - (PV88080_BUCK_VRANGE_GAIN_SHIFT + i - 1)) & - PV88080_BUCK_VRANGE_GAIN_MASK; + (PV88090_BUCK_VRANGE_GAIN_SHIFT + i - 1)) & + PV88090_BUCK_VRANGE_GAIN_MASK; index = ((range << 1) | conf2); + if (index > PV88090_ID_BUCK3) { + dev_err(chip->dev, + "Invalid index(%d)\n", index); + return -EINVAL; + } pv88090_regulator_info[i].desc.min_uV = pv88090_buck_vol[index].min_uV; diff --git a/drivers/regulator/pv88090-regulator.h b/drivers/regulator/pv88090-regulator.h index d7aca8d8266d..62d9029277f4 100644 --- a/drivers/regulator/pv88090-regulator.h +++ b/drivers/regulator/pv88090-regulator.h @@ -89,10 +89,10 @@ #define PV88090_BUCK_VDAC_RANGE_2 0x01 /* PV88090_REG_BUCK_FOLD_RANGE (addr=0x61) */ -#define PV88080_BUCK_VRANGE_GAIN_SHIFT 3 -#define PV88080_BUCK_VRANGE_GAIN_MASK 0x01 +#define PV88090_BUCK_VRANGE_GAIN_SHIFT 3 +#define PV88090_BUCK_VRANGE_GAIN_MASK 0x01 -#define PV88080_BUCK_VRANGE_GAIN_1 0x00 -#define PV88080_BUCK_VRANGE_GAIN_2 0x01 +#define PV88090_BUCK_VRANGE_GAIN_1 0x00 +#define PV88090_BUCK_VRANGE_GAIN_2 0x01 #endif /* __PV88090_REGISTERS_H__ */ diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index 1b88e0e15a70..a2fd140eff81 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -122,8 +122,7 @@ static int pwm_regulator_enable(struct regulator_dev *dev) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(dev); - if (drvdata->enb_gpio) - gpiod_set_value_cansleep(drvdata->enb_gpio, 1); + gpiod_set_value_cansleep(drvdata->enb_gpio, 1); return pwm_enable(drvdata->pwm); } @@ -134,8 +133,7 @@ static int pwm_regulator_disable(struct regulator_dev *dev) pwm_disable(drvdata->pwm); - if (drvdata->enb_gpio) - gpiod_set_value_cansleep(drvdata->enb_gpio, 0); + gpiod_set_value_cansleep(drvdata->enb_gpio, 0); return 0; } diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 383cd7533721..4836947e1521 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -590,8 +590,8 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, if (of_property_read_u32(reg_np, "op_mode", &rmode->mode)) { dev_warn(iodev->dev, - "no op_mode property property at %s\n", - reg_np->full_name); + "no op_mode property property at %pOF\n", + reg_np); rmode->mode = S5M8767_OPMODE_NORMAL_MODE; } |