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Subject[PATCH 02/24] regulator: mt6392: Add support for MT6392 regulator
Date
The MT6392 is a regulator found on boards based on the MediaTek
MT8167, MT8516, and probably other SoCs. It is a so called PMIC and
connectcts as a slave to a SoC using SPI, wrapped inside PWRAP.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
---
drivers/regulator/Kconfig | 9 +
drivers/regulator/Makefile | 1 +
drivers/regulator/mt6392-regulator.c | 490 +++++++++++++++++++++
include/linux/regulator/mt6392-regulator.h | 40 ++
4 files changed, 540 insertions(+)
create mode 100644 drivers/regulator/mt6392-regulator.c
create mode 100644 include/linux/regulator/mt6392-regulator.h

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index b7f249ee5e68..c0109005128c 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -624,6 +624,15 @@ config REGULATOR_MT6380
This driver supports the control of different power rails of device
through regulator interface.

+config REGULATOR_MT6392
+ tristate "MediaTek MT6392 PMIC"
+ depends on MFD_MT6397
+ help
+ Say y here to select this option to enable the power regulator of
+ MediaTek MT6392 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 1169f8a27d91..5b8da206412e 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -80,6 +80,7 @@ obj-$(CONFIG_REGULATOR_MCP16502) += mcp16502.o
obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o
+obj-$(CONFIG_REGULATOR_MT6392) += mt6392-regulator.o
obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o
obj-$(CONFIG_REGULATOR_QCOM_RPMH) += qcom-rpmh-regulator.o
diff --git a/drivers/regulator/mt6392-regulator.c b/drivers/regulator/mt6392-regulator.c
new file mode 100644
index 000000000000..d3c0e94d4cd0
--- /dev/null
+++ b/drivers/regulator/mt6392-regulator.c
@@ -0,0 +1,490 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Chen Zhong <chen.zhong@mediatek.com>
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/mt6397/core.h>
+#include <linux/mfd/mt6392/registers.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/mt6392-regulator.h>
+#include <linux/regulator/of_regulator.h>
+
+#define MT6392_BUCK_MODE_AUTO 0
+#define MT6392_BUCK_MODE_FORCE_PWM 1
+#define MT6392_LDO_MODE_NORMAL 0
+#define MT6392_LDO_MODE_LP 1
+
+/*
+ * MT6392 regulators' information
+ *
+ * @desc: standard fields of regulator description.
+ * @qi: Mask for query enable signal status of regulators
+ * @vselon_reg: Register sections for hardware control mode of bucks
+ * @vselctrl_reg: Register for controlling the buck control mode.
+ * @vselctrl_mask: Mask for query buck's voltage control mode.
+ */
+struct mt6392_regulator_info {
+ struct regulator_desc desc;
+ u32 qi;
+ u32 vselon_reg;
+ u32 vselctrl_reg;
+ u32 vselctrl_mask;
+ u32 modeset_reg;
+ u32 modeset_mask;
+};
+
+#define MT6392_BUCK(match, vreg, min, max, step, volt_ranges, enreg, \
+ vosel, vosel_mask, voselon, vosel_ctrl, \
+ _modeset_reg, _modeset_mask) \
+[MT6392_ID_##vreg] = { \
+ .desc = { \
+ .name = #vreg, \
+ .of_match = of_match_ptr(match), \
+ .ops = &mt6392_volt_range_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = MT6392_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(0), \
+ }, \
+ .qi = BIT(13), \
+ .vselon_reg = voselon, \
+ .vselctrl_reg = vosel_ctrl, \
+ .vselctrl_mask = BIT(1), \
+ .modeset_reg = _modeset_reg, \
+ .modeset_mask = _modeset_mask, \
+}
+
+#define MT6392_LDO(match, vreg, ldo_volt_table, enreg, enbit, vosel, \
+ vosel_mask, _modeset_reg, _modeset_mask) \
+[MT6392_ID_##vreg] = { \
+ .desc = { \
+ .name = #vreg, \
+ .of_match = of_match_ptr(match), \
+ .ops = &mt6392_volt_table_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = MT6392_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), \
+ }, \
+ .qi = BIT(15), \
+ .modeset_reg = _modeset_reg, \
+ .modeset_mask = _modeset_mask, \
+}
+
+#define MT6392_REG_FIXED(match, vreg, enreg, enbit, volt, \
+ _modeset_reg, _modeset_mask) \
+[MT6392_ID_##vreg] = { \
+ .desc = { \
+ .name = #vreg, \
+ .of_match = of_match_ptr(match), \
+ .ops = &mt6392_volt_fixed_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = MT6392_ID_##vreg, \
+ .owner = THIS_MODULE, \
+ .n_voltages = 1, \
+ .enable_reg = enreg, \
+ .enable_mask = BIT(enbit), \
+ .min_uV = volt, \
+ }, \
+ .qi = BIT(15), \
+ .modeset_reg = _modeset_reg, \
+ .modeset_mask = _modeset_mask, \
+}
+
+static const struct regulator_linear_range buck_volt_range1[] = {
+ REGULATOR_LINEAR_RANGE(700000, 0, 0x7f, 6250),
+};
+
+static const struct regulator_linear_range buck_volt_range2[] = {
+ REGULATOR_LINEAR_RANGE(1400000, 0, 0x7f, 12500),
+};
+
+static const u32 ldo_volt_table1[] = {
+ 1800000, 1900000, 2000000, 2200000,
+};
+
+static const u32 ldo_volt_table2[] = {
+ 3300000, 3400000, 3500000, 3600000,
+};
+
+static const u32 ldo_volt_table3[] = {
+ 1800000, 3300000,
+};
+
+static const u32 ldo_volt_table4[] = {
+ 3000000, 3300000,
+};
+
+static const u32 ldo_volt_table5[] = {
+ 1200000, 1300000, 1500000, 1800000, 2000000, 2800000, 3000000, 3300000,
+};
+
+static const u32 ldo_volt_table6[] = {
+ 1240000, 1390000,
+};
+
+static const u32 ldo_volt_table7[] = {
+ 1200000, 1300000, 1500000, 1800000,
+};
+
+static const u32 ldo_volt_table8[] = {
+ 1800000, 2000000,
+};
+
+static int mt6392_get_status(struct regulator_dev *rdev)
+{
+ int ret;
+ u32 regval;
+ struct mt6392_regulator_info *info = rdev_get_drvdata(rdev);
+
+ ret = regmap_read(rdev->regmap, info->desc.enable_reg, &regval);
+ if (ret != 0) {
+ dev_err(&rdev->dev, "Failed to get enable reg: %d\n", ret);
+ return ret;
+ }
+
+ return (regval & info->qi) ? REGULATOR_STATUS_ON : REGULATOR_STATUS_OFF;
+}
+
+static int mt6392_buck_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ int ret, val = 0;
+ struct mt6392_regulator_info *info = rdev_get_drvdata(rdev);
+ u32 reg_value;
+
+ if (!info->modeset_mask) {
+ dev_err(&rdev->dev, "regulator %s doesn't support set_mode\n",
+ info->desc.name);
+ return -EINVAL;
+ }
+
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ val = MT6392_BUCK_MODE_FORCE_PWM;
+ break;
+ case REGULATOR_MODE_NORMAL:
+ val = MT6392_BUCK_MODE_AUTO;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ val <<= ffs(info->modeset_mask) - 1;
+
+ ret = regmap_update_bits(rdev->regmap, info->modeset_reg,
+ info->modeset_mask, val);
+
+ if (regmap_read(rdev->regmap, info->modeset_reg, &reg_value) < 0) {
+ dev_err(&rdev->dev, "Failed to read register value\n");
+ return -EIO;
+ }
+
+ return ret;
+}
+
+static unsigned int mt6392_buck_get_mode(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ unsigned int mode;
+ int ret;
+ struct mt6392_regulator_info *info = rdev_get_drvdata(rdev);
+
+ if (!info->modeset_mask) {
+ dev_err(&rdev->dev, "regulator %s doesn't support get_mode\n",
+ info->desc.name);
+ return -EINVAL;
+ }
+
+ ret = regmap_read(rdev->regmap, info->modeset_reg, &val);
+ if (ret < 0)
+ return ret;
+
+ val &= info->modeset_mask;
+ val >>= ffs(info->modeset_mask) - 1;
+
+ if (val & 0x1)
+ mode = REGULATOR_MODE_FAST;
+ else
+ mode = REGULATOR_MODE_NORMAL;
+
+ return mode;
+}
+
+static int mt6392_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ int ret, val = 0;
+ struct mt6392_regulator_info *info = rdev_get_drvdata(rdev);
+
+ if (!info->modeset_mask) {
+ dev_err(&rdev->dev, "regulator %s doesn't support set_mode\n",
+ info->desc.name);
+ return -EINVAL;
+ }
+
+ switch (mode) {
+ case REGULATOR_MODE_STANDBY:
+ val = MT6392_LDO_MODE_LP;
+ break;
+ case REGULATOR_MODE_NORMAL:
+ val = MT6392_LDO_MODE_NORMAL;
+ 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 mt6392_ldo_get_mode(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ unsigned int mode;
+ int ret;
+ struct mt6392_regulator_info *info = rdev_get_drvdata(rdev);
+
+ if (!info->modeset_mask) {
+ dev_err(&rdev->dev, "regulator %s doesn't support get_mode\n",
+ info->desc.name);
+ return -EINVAL;
+ }
+
+ ret = regmap_read(rdev->regmap, info->modeset_reg, &val);
+ if (ret < 0)
+ return ret;
+
+ val &= info->modeset_mask;
+ val >>= ffs(info->modeset_mask) - 1;
+
+ if (val & 0x1)
+ mode = REGULATOR_MODE_STANDBY;
+ else
+ mode = REGULATOR_MODE_NORMAL;
+
+ return mode;
+}
+
+static const struct regulator_ops mt6392_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,
+ .get_status = mt6392_get_status,
+ .set_mode = mt6392_buck_set_mode,
+ .get_mode = mt6392_buck_get_mode,
+};
+
+static const struct regulator_ops mt6392_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,
+ .get_status = mt6392_get_status,
+ .set_mode = mt6392_ldo_set_mode,
+ .get_mode = mt6392_ldo_get_mode,
+};
+
+static const struct regulator_ops mt6392_volt_fixed_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .get_status = mt6392_get_status,
+ .set_mode = mt6392_ldo_set_mode,
+ .get_mode = mt6392_ldo_get_mode,
+};
+
+/* The array is indexed by id(MT6392_ID_XXX) */
+static struct mt6392_regulator_info mt6392_regulators[] = {
+ MT6392_BUCK("buck_vproc", VPROC, 700000, 1493750, 6250,
+ buck_volt_range1, MT6392_VPROC_CON7, MT6392_VPROC_CON9, 0x7f,
+ MT6392_VPROC_CON10, MT6392_VPROC_CON5, MT6392_VPROC_CON2,
+ 0x100),
+ MT6392_BUCK("buck_vsys", VSYS, 1400000, 2987500, 12500,
+ buck_volt_range2, MT6392_VSYS_CON7, MT6392_VSYS_CON9, 0x7f,
+ MT6392_VSYS_CON10, MT6392_VSYS_CON5, MT6392_VSYS_CON2, 0x100),
+ MT6392_BUCK("buck_vcore", VCORE, 700000, 1493750, 6250,
+ buck_volt_range1, MT6392_VCORE_CON7, MT6392_VCORE_CON9, 0x7f,
+ MT6392_VCORE_CON10, MT6392_VCORE_CON5, MT6392_VCORE_CON2,
+ 0x100),
+ MT6392_REG_FIXED("ldo_vxo22", VXO22, MT6392_ANALDO_CON1, 10, 2200000,
+ MT6392_ANALDO_CON1, 0x2),
+ MT6392_LDO("ldo_vaud22", VAUD22, ldo_volt_table1,
+ MT6392_ANALDO_CON2, 14, MT6392_ANALDO_CON8, 0x60,
+ MT6392_ANALDO_CON2, 0x2),
+ MT6392_REG_FIXED("ldo_vcama", VCAMA, MT6392_ANALDO_CON4, 15, 2800000,
+ -1, 0),
+ MT6392_REG_FIXED("ldo_vaud28", VAUD28, MT6392_ANALDO_CON23, 14, 2800000,
+ MT6392_ANALDO_CON23, 0x2),
+ MT6392_REG_FIXED("ldo_vadc18", VADC18, MT6392_ANALDO_CON25, 14, 1800000,
+ MT6392_ANALDO_CON25, 0x2),
+ MT6392_LDO("ldo_vcn35", VCN35, ldo_volt_table2,
+ MT6392_ANALDO_CON21, 12, MT6392_ANALDO_CON16, 0xC,
+ MT6392_ANALDO_CON21, 0x2),
+ MT6392_REG_FIXED("ldo_vio28", VIO28, MT6392_DIGLDO_CON0, 14, 2800000,
+ MT6392_DIGLDO_CON0, 0x2),
+ MT6392_REG_FIXED("ldo_vusb", VUSB, MT6392_DIGLDO_CON2, 14, 3300000,
+ MT6392_DIGLDO_CON2, 0x2),
+ MT6392_LDO("ldo_vmc", VMC, ldo_volt_table3,
+ MT6392_DIGLDO_CON3, 12, MT6392_DIGLDO_CON24, 0x10,
+ MT6392_DIGLDO_CON3, 0x2),
+ MT6392_LDO("ldo_vmch", VMCH, ldo_volt_table4,
+ MT6392_DIGLDO_CON5, 14, MT6392_DIGLDO_CON26, 0x80,
+ MT6392_DIGLDO_CON5, 0x2),
+ MT6392_LDO("ldo_vemc3v3", VEMC3V3, ldo_volt_table4,
+ MT6392_DIGLDO_CON6, 14, MT6392_DIGLDO_CON27, 0x80,
+ MT6392_DIGLDO_CON6, 0x2),
+ MT6392_LDO("ldo_vgp1", VGP1, ldo_volt_table5,
+ MT6392_DIGLDO_CON7, 15, MT6392_DIGLDO_CON28, 0xE0,
+ MT6392_DIGLDO_CON7, 0x2),
+ MT6392_LDO("ldo_vgp2", VGP2, ldo_volt_table5,
+ MT6392_DIGLDO_CON8, 15, MT6392_DIGLDO_CON29, 0xE0,
+ MT6392_DIGLDO_CON8, 0x2),
+ MT6392_REG_FIXED("ldo_vcn18", VCN18, MT6392_DIGLDO_CON11, 14, 1800000,
+ MT6392_DIGLDO_CON11, 0x2),
+ MT6392_LDO("ldo_vcamaf", VCAMAF, ldo_volt_table5,
+ MT6392_DIGLDO_CON31, 15, MT6392_DIGLDO_CON32, 0xE0,
+ MT6392_DIGLDO_CON31, 0x2),
+ MT6392_LDO("ldo_vm", VM, ldo_volt_table6,
+ MT6392_DIGLDO_CON47, 14, MT6392_DIGLDO_CON48, 0x30,
+ MT6392_DIGLDO_CON47, 0x2),
+ MT6392_REG_FIXED("ldo_vio18", VIO18, MT6392_DIGLDO_CON49, 14, 1800000,
+ MT6392_DIGLDO_CON49, 0x2),
+ MT6392_LDO("ldo_vcamd", VCAMD, ldo_volt_table7,
+ MT6392_DIGLDO_CON51, 14, MT6392_DIGLDO_CON52, 0x60,
+ MT6392_DIGLDO_CON51, 0x2),
+ MT6392_REG_FIXED("ldo_vcamio", VCAMIO, MT6392_DIGLDO_CON53, 14, 1800000,
+ MT6392_DIGLDO_CON53, 0x2),
+ MT6392_REG_FIXED("ldo_vm25", VM25, MT6392_DIGLDO_CON55, 14, 2500000,
+ MT6392_DIGLDO_CON55, 0x2),
+ MT6392_LDO("ldo_vefuse", VEFUSE, ldo_volt_table8,
+ MT6392_DIGLDO_CON57, 14, MT6392_DIGLDO_CON58, 0x10,
+ MT6392_DIGLDO_CON57, 0x2),
+};
+
+static int mt6392_set_buck_vosel_reg(struct platform_device *pdev)
+{
+ struct mt6397_chip *mt6392 = dev_get_drvdata(pdev->dev.parent);
+ int i;
+ u32 regval;
+
+ for (i = 0; i < MT6392_MAX_REGULATOR; i++) {
+ if (mt6392_regulators[i].vselctrl_reg) {
+ if (regmap_read(mt6392->regmap,
+ mt6392_regulators[i].vselctrl_reg,
+ &regval) < 0) {
+ dev_err(&pdev->dev,
+ "Failed to read buck ctrl\n");
+ return -EIO;
+ }
+
+ if (regval & mt6392_regulators[i].vselctrl_mask) {
+ mt6392_regulators[i].desc.vsel_reg =
+ mt6392_regulators[i].vselon_reg;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int mt6392_regulator_probe(struct platform_device *pdev)
+{
+ struct mt6397_chip *mt6392 = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = {};
+ struct regulator_dev *rdev;
+ struct regulation_constraints *c;
+ int i;
+ u32 reg_value;
+
+ /* Query buck controller to select activated voltage register part */
+ if (mt6392_set_buck_vosel_reg(pdev))
+ return -EIO;
+
+ /* Read PMIC chip revision to update constraints and voltage table */
+ if (regmap_read(mt6392->regmap, MT6392_CID, &reg_value) < 0) {
+ dev_err(&pdev->dev, "Failed to read Chip ID\n");
+ return -EIO;
+ }
+
+ dev_info(&pdev->dev, "Chip ID = 0x%x\n", reg_value);
+
+ for (i = 0; i < MT6392_MAX_REGULATOR; i++) {
+ config.dev = &pdev->dev;
+ config.driver_data = &mt6392_regulators[i];
+ config.regmap = mt6392->regmap;
+ rdev = devm_regulator_register(&pdev->dev,
+ &mt6392_regulators[i].desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register %s\n",
+ mt6392_regulators[i].desc.name);
+ return PTR_ERR(rdev);
+ }
+
+ /* Constrain board-specific capabilities according to what
+ * this driver and the chip itself can actually do.
+ */
+ c = rdev->constraints;
+ c->valid_modes_mask |= REGULATOR_MODE_NORMAL|
+ REGULATOR_MODE_STANDBY | REGULATOR_MODE_FAST;
+ c->valid_ops_mask |= REGULATOR_CHANGE_MODE;
+
+ }
+ return 0;
+}
+
+static const struct platform_device_id mt6392_platform_ids[] = {
+ {"mt6392-regulator", 0},
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(platform, mt6392_platform_ids);
+
+static const struct of_device_id mt6392_of_match[] = {
+ { .compatible = "mediatek,mt6392-regulator", },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, mt6392_of_match);
+
+static struct platform_driver mt6392_regulator_driver = {
+ .driver = {
+ .name = "mt6392-regulator",
+ .of_match_table = of_match_ptr(mt6392_of_match),
+ },
+ .probe = mt6392_regulator_probe,
+ .id_table = mt6392_platform_ids,
+};
+
+module_platform_driver(mt6392_regulator_driver);
+
+MODULE_AUTHOR("Chen Zhong <chen.zhong@mediatek.com>");
+MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6392 PMIC");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/regulator/mt6392-regulator.h b/include/linux/regulator/mt6392-regulator.h
new file mode 100644
index 000000000000..dfcbcacb5ad4
--- /dev/null
+++ b/include/linux/regulator/mt6392-regulator.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Chen Zhong <chen.zhong@mediatek.com>
+ */
+
+#ifndef __LINUX_REGULATOR_MT6392_H
+#define __LINUX_REGULATOR_MT6392_H
+
+enum {
+ MT6392_ID_VPROC = 0,
+ MT6392_ID_VSYS,
+ MT6392_ID_VCORE,
+ MT6392_ID_VXO22,
+ MT6392_ID_VAUD22,
+ MT6392_ID_VCAMA,
+ MT6392_ID_VAUD28,
+ MT6392_ID_VADC18,
+ MT6392_ID_VCN35,
+ MT6392_ID_VIO28,
+ MT6392_ID_VUSB = 10,
+ MT6392_ID_VMC,
+ MT6392_ID_VMCH,
+ MT6392_ID_VEMC3V3,
+ MT6392_ID_VGP1,
+ MT6392_ID_VGP2,
+ MT6392_ID_VCN18,
+ MT6392_ID_VCAMAF,
+ MT6392_ID_VM,
+ MT6392_ID_VIO18,
+ MT6392_ID_VCAMD,
+ MT6392_ID_VCAMIO,
+ MT6392_ID_VM25,
+ MT6392_ID_VEFUSE,
+ MT6392_ID_RG_MAX,
+};
+
+#define MT6392_MAX_REGULATOR MT6392_ID_RG_MAX
+
+#endif /* __LINUX_REGULATOR_MT6392_H */
--
2.20.1
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