Message-Id: <1453722989-41622-2-git-send-email-blogic@openwrt.org>
Date:	Mon, 25 Jan 2016 12:56:29 +0100
From:	John Crispin <blogic@...nwrt.org>
To:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Cc:	Chen Zhong <chen.zhong@...iatek.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Henry Chen <henryc.chen@...iatek.com>,
	Steven Liu <steven.liu@...iatek.com>,
	linux-mediatek@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	John Crispin <blogic@...nwrt.org>
Subject: [PATCH V3 2/2] regulator: mt6323: Add support for MT6323 regulator

From: Chen Zhong <chen.zhong@...iatek.com>

The MT6323 is a regulator found on boards based on MediaTek MT7623 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.

Signed-off-by: Chen Zhong <chen.zhong@...iatek.com>
Signed-off-by: John Crispin <blogic@...nwrt.org>
---
 drivers/regulator/Kconfig                  |    9 +
 drivers/regulator/Makefile                 |    1 +
 drivers/regulator/mt6323-regulator.c       |  433 ++++++++++++++++++++++++++++
 include/linux/regulator/mt6323-regulator.h |   52 ++++
 4 files changed, 495 insertions(+)
 create mode 100644 drivers/regulator/mt6323-regulator.c
 create mode 100644 include/linux/regulator/mt6323-regulator.h

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 8155e80..5e49568 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -462,6 +462,15 @@ config REGULATOR_MT6311
 	  This driver supports the control of different power rails of device
 	  through regulator interface.
 
+config REGULATOR_MT6323
+	tristate "MediaTek MT6323 PMIC"
+	depends on MFD_MT6397
+	help
+	  Say y here to select this option to enable the power regulator of
+	  MediaTek MT6323 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 980b194..8fb55640 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -61,6 +61,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
 obj-$(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_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/mt6323-regulator.c b/drivers/regulator/mt6323-regulator.c
new file mode 100644
index 0000000..1d2621e
--- /dev/null
+++ b/drivers/regulator/mt6323-regulator.c
@@ -0,0 +1,433 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Chen Zhong <chen.zhong@...iatek.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/mfd/mt6397/core.h>
+#include <linux/mfd/mt6323/registers.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/mt6323-regulator.h>
+#include <linux/regulator/of_regulator.h>
+
+#define MT6323_LDO_MODE_NORMAL	0
+#define MT6323_LDO_MODE_LP	1
+
+/*
+ * MT6323 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 mt6323_regulator_info {
+	struct regulator_desc desc;
+	u32 qi;
+	u32 vselon_reg;
+	u32 vselctrl_reg;
+	u32 vselctrl_mask;
+	u32 modeset_reg;
+	u32 modeset_mask;
+};
+
+#define MT6323_BUCK(match, vreg, min, max, step, volt_ranges, enreg,	\
+		vosel, vosel_mask, voselon, vosel_ctrl)			\
+[MT6323_ID_##vreg] = {							\
+	.desc = {							\
+		.name = #vreg,						\
+		.of_match = of_match_ptr(match),			\
+		.ops = &mt6323_volt_range_ops,				\
+		.type = REGULATOR_VOLTAGE,				\
+		.id = MT6323_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),					\
+}
+
+#define MT6323_LDO(match, vreg, ldo_volt_table, enreg, enbit, vosel,	\
+		vosel_mask, _modeset_reg, _modeset_mask)		\
+[MT6323_ID_##vreg] = {							\
+	.desc = {							\
+		.name = #vreg,						\
+		.of_match = of_match_ptr(match),			\
+		.ops = &mt6323_volt_table_ops,				\
+		.type = REGULATOR_VOLTAGE,				\
+		.id = MT6323_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 MT6323_REG_FIXED(match, vreg, enreg, enbit, volt,		\
+		_modeset_reg, _modeset_mask)				\
+[MT6323_ID_##vreg] = {							\
+	.desc = {							\
+		.name = #vreg,						\
+		.of_match = of_match_ptr(match),			\
+		.ops = &mt6323_volt_fixed_ops,				\
+		.type = REGULATOR_VOLTAGE,				\
+		.id = MT6323_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 struct regulator_linear_range buck_volt_range3[] = {
+	REGULATOR_LINEAR_RANGE(500000, 0, 0x3f, 50000),
+};
+
+static const u32 ldo_volt_table1[] = {
+	3300000, 3400000, 3500000, 3600000,
+};
+
+static const u32 ldo_volt_table2[] = {
+	1500000, 1800000, 2500000, 2800000,
+};
+
+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[] = {
+	1200000, 1300000, 1500000, 1800000, 2500000, 2800000, 3000000, 2000000,
+};
+
+static const u32 ldo_volt_table7[] = {
+	1200000, 1300000, 1500000, 1800000,
+};
+
+static const u32 ldo_volt_table8[] = {
+	1800000, 3000000,
+};
+
+static const u32 ldo_volt_table9[] = {
+	1200000, 1350000, 1500000, 1800000,
+};
+
+static const u32 ldo_volt_table10[] = {
+	1200000, 1300000, 1500000, 1800000,
+};
+
+static int mt6323_get_status(struct regulator_dev *rdev)
+{
+	int ret;
+	u32 regval;
+	struct mt6323_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 mt6323_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+	int ret, val = 0;
+	struct mt6323_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 = MT6323_LDO_MODE_LP;
+		break;
+	case REGULATOR_MODE_NORMAL:
+		val = MT6323_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 mt6323_ldo_get_mode(struct regulator_dev *rdev)
+{
+	unsigned int val;
+	unsigned int mode;
+	int ret;
+	struct mt6323_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 struct regulator_ops mt6323_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 = mt6323_get_status,
+};
+
+static struct regulator_ops mt6323_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 = mt6323_get_status,
+	.set_mode = mt6323_ldo_set_mode,
+	.get_mode = mt6323_ldo_get_mode,
+};
+
+static struct regulator_ops mt6323_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 = mt6323_get_status,
+	.set_mode = mt6323_ldo_set_mode,
+	.get_mode = mt6323_ldo_get_mode,
+};
+
+/* The array is indexed by id(MT6323_ID_XXX) */
+static struct mt6323_regulator_info mt6323_regulators[] = {
+	MT6323_BUCK("buck_vproc", VPROC, 700000, 1493750, 6250,
+		buck_volt_range1, MT6323_VPROC_CON7, MT6323_VPROC_CON9, 0x7f,
+		MT6323_VPROC_CON10, MT6323_VPROC_CON5),
+	MT6323_BUCK("buck_vsys", VSYS, 1400000, 2987500, 12500,
+		buck_volt_range2, MT6323_VSYS_CON7, MT6323_VSYS_CON9, 0x7f,
+		MT6323_VSYS_CON10, MT6323_VSYS_CON5),
+	MT6323_BUCK("buck_vpa", VPA, 500000, 3650000, 50000,
+		buck_volt_range3, MT6323_VPA_CON7, MT6323_VPA_CON9,
+		0x3f, MT6323_VPA_CON10, MT6323_VPA_CON5),
+	MT6323_REG_FIXED("ldo_vtcxo", VTCXO, MT6323_ANALDO_CON1, 10, 2800000,
+		MT6323_ANALDO_CON1, 0x2),
+	MT6323_REG_FIXED("ldo_vcn28", VCN28, MT6323_ANALDO_CON19, 12, 2800000,
+		MT6323_ANALDO_CON20, 0x2),
+	MT6323_LDO("ldo_vcn33_bt", VCN33_BT, ldo_volt_table1,
+		MT6323_ANALDO_CON16, 7, MT6323_ANALDO_CON16, 0xC,
+		MT6323_ANALDO_CON21, 0x2),
+	MT6323_LDO("ldo_vcn33_wifi", VCN33_WIFI, ldo_volt_table1,
+		MT6323_ANALDO_CON17, 12, MT6323_ANALDO_CON16, 0xC,
+		MT6323_ANALDO_CON21, 0x2),
+	MT6323_REG_FIXED("ldo_va", VA, MT6323_ANALDO_CON2, 14, 2800000,
+		MT6323_ANALDO_CON2, 0x2),
+	MT6323_LDO("ldo_vcama", VCAMA, ldo_volt_table2,
+		MT6323_ANALDO_CON4, 15, MT6323_ANALDO_CON10, 0x60, -1, 0),
+	MT6323_REG_FIXED("ldo_vio28", VIO28, MT6323_DIGLDO_CON0, 14, 2800000,
+		MT6323_DIGLDO_CON0, 0x2),
+	MT6323_REG_FIXED("ldo_vusb", VUSB, MT6323_DIGLDO_CON2, 14, 3300000,
+		MT6323_DIGLDO_CON2, 0x2),
+	MT6323_LDO("ldo_vmc", VMC, ldo_volt_table3,
+		MT6323_DIGLDO_CON3, 12, MT6323_DIGLDO_CON24, 0x10,
+		MT6323_DIGLDO_CON3, 0x2),
+	MT6323_LDO("ldo_vmch", VMCH, ldo_volt_table4,
+		MT6323_DIGLDO_CON5, 14, MT6323_DIGLDO_CON26, 0x80,
+		MT6323_DIGLDO_CON5, 0x2),
+	MT6323_LDO("ldo_vemc3v3", VEMC3V3, ldo_volt_table4,
+		MT6323_DIGLDO_CON6, 14, MT6323_DIGLDO_CON27, 0x80,
+		MT6323_DIGLDO_CON6, 0x2),
+	MT6323_LDO("ldo_vgp1", VGP1, ldo_volt_table5,
+		MT6323_DIGLDO_CON7, 15, MT6323_DIGLDO_CON28, 0xE0,
+		MT6323_DIGLDO_CON7, 0x2),
+	MT6323_LDO("ldo_vgp2", VGP2, ldo_volt_table6,
+		MT6323_DIGLDO_CON8, 15, MT6323_DIGLDO_CON29, 0xE0,
+		MT6323_DIGLDO_CON8, 0x2),
+	MT6323_LDO("ldo_vgp3", VGP3, ldo_volt_table7,
+		MT6323_DIGLDO_CON9, 15, MT6323_DIGLDO_CON30, 0x60,
+		MT6323_DIGLDO_CON9, 0x2),
+	MT6323_REG_FIXED("ldo_vcn18", VCN18, MT6323_DIGLDO_CON11, 14, 1800000,
+		MT6323_DIGLDO_CON11, 0x2),
+	MT6323_LDO("ldo_vsim1", VSIM1, ldo_volt_table8,
+		MT6323_DIGLDO_CON13, 15, MT6323_DIGLDO_CON34, 0x20,
+		MT6323_DIGLDO_CON13, 0x2),
+	MT6323_LDO("ldo_vsim2", VSIM2, ldo_volt_table8,
+		MT6323_DIGLDO_CON14, 15, MT6323_DIGLDO_CON35, 0x20,
+		MT6323_DIGLDO_CON14, 0x2),
+	MT6323_REG_FIXED("ldo_vrtc", VRTC, MT6323_DIGLDO_CON15, 8, 2800000,
+		-1, 0),
+	MT6323_LDO("ldo_vcamaf", VCAMAF, ldo_volt_table5,
+		MT6323_DIGLDO_CON31, 15, MT6323_DIGLDO_CON32, 0xE0,
+		MT6323_DIGLDO_CON31, 0x2),
+	MT6323_LDO("ldo_vibr", VIBR, ldo_volt_table5,
+		MT6323_DIGLDO_CON39, 15, MT6323_DIGLDO_CON40, 0xE0,
+		MT6323_DIGLDO_CON39, 0x2),
+	MT6323_REG_FIXED("ldo_vrf18", VRF18, MT6323_DIGLDO_CON45, 15, 1825000,
+		MT6323_DIGLDO_CON45, 0x2),
+	MT6323_LDO("ldo_vm", VM, ldo_volt_table9,
+		MT6323_DIGLDO_CON47, 14, MT6323_DIGLDO_CON48, 0x30,
+		MT6323_DIGLDO_CON47, 0x2),
+	MT6323_REG_FIXED("ldo_vio18", VIO18, MT6323_DIGLDO_CON49, 14, 1800000,
+		MT6323_DIGLDO_CON49, 0x2),
+	MT6323_LDO("ldo_vcamd", VCAMD, ldo_volt_table10,
+		MT6323_DIGLDO_CON51, 14, MT6323_DIGLDO_CON52, 0x60,
+		MT6323_DIGLDO_CON51, 0x2),
+	MT6323_REG_FIXED("ldo_vcamio", VCAMIO, MT6323_DIGLDO_CON53, 14, 1800000,
+		MT6323_DIGLDO_CON53, 0x2),
+};
+
+static int mt6323_set_buck_vosel_reg(struct platform_device *pdev)
+{
+	struct mt6397_chip *mt6323 = dev_get_drvdata(pdev->dev.parent);
+	int i;
+	u32 regval;
+
+	for (i = 0; i < MT6323_MAX_REGULATOR; i++) {
+		if (mt6323_regulators[i].vselctrl_reg) {
+			if (regmap_read(mt6323->regmap,
+				mt6323_regulators[i].vselctrl_reg,
+				&regval) < 0) {
+				dev_err(&pdev->dev,
+					"Failed to read buck ctrl\n");
+				return -EIO;
+			}
+
+			if (regval & mt6323_regulators[i].vselctrl_mask) {
+				mt6323_regulators[i].desc.vsel_reg =
+				mt6323_regulators[i].vselon_reg;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int mt6323_regulator_probe(struct platform_device *pdev)
+{
+	struct mt6397_chip *mt6323 = 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 (mt6323_set_buck_vosel_reg(pdev))
+		return -EIO;
+
+	/* Read PMIC chip revision to update constraints and voltage table */
+	if (regmap_read(mt6323->regmap, MT6323_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 < MT6323_MAX_REGULATOR; i++) {
+		config.dev = &pdev->dev;
+		config.driver_data = &mt6323_regulators[i];
+		config.regmap = mt6323->regmap;
+		rdev = devm_regulator_register(&pdev->dev,
+				&mt6323_regulators[i].desc, &config);
+		if (IS_ERR(rdev)) {
+			dev_err(&pdev->dev, "failed to register %s\n",
+				mt6323_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;
+		c->valid_ops_mask |= REGULATOR_CHANGE_MODE;
+	}
+	return 0;
+}
+
+static struct platform_driver mt6323_regulator_driver = {
+	.driver = {
+		.name = "mt6323-regulator",
+	},
+	.probe = mt6323_regulator_probe,
+};
+
+module_platform_driver(mt6323_regulator_driver);
+
+MODULE_AUTHOR("Chen Zhong <chen.zhong@...iatek.com>");
+MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6397 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mt6323-regulator");
diff --git a/include/linux/regulator/mt6323-regulator.h b/include/linux/regulator/mt6323-regulator.h
new file mode 100644
index 0000000..67011cd
--- /dev/null
+++ b/include/linux/regulator/mt6323-regulator.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Chen Zhong <chen.zhong@...iatek.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.
+ */
+
+#ifndef __LINUX_REGULATOR_MT6323_H
+#define __LINUX_REGULATOR_MT6323_H
+
+enum {
+	MT6323_ID_VPROC = 0,
+	MT6323_ID_VSYS,
+	MT6323_ID_VPA,
+	MT6323_ID_VTCXO,
+	MT6323_ID_VCN28,
+	MT6323_ID_VCN33_BT,
+	MT6323_ID_VCN33_WIFI,
+	MT6323_ID_VA,
+	MT6323_ID_VCAMA,
+	MT6323_ID_VIO28 = 9,
+	MT6323_ID_VUSB,
+	MT6323_ID_VMC,
+	MT6323_ID_VMCH,
+	MT6323_ID_VEMC3V3,
+	MT6323_ID_VGP1,
+	MT6323_ID_VGP2,
+	MT6323_ID_VGP3,
+	MT6323_ID_VCN18,
+	MT6323_ID_VSIM1,
+	MT6323_ID_VSIM2,
+	MT6323_ID_VRTC,
+	MT6323_ID_VCAMAF,
+	MT6323_ID_VIBR,
+	MT6323_ID_VRF18,
+	MT6323_ID_VM,
+	MT6323_ID_VIO18,
+	MT6323_ID_VCAMD,
+	MT6323_ID_VCAMIO,
+	MT6323_ID_RG_MAX,
+};
+
+#define MT6323_MAX_REGULATOR	MT6323_ID_RG_MAX
+
+#endif /* __LINUX_REGULATOR_MT6323_H */
-- 
1.7.10.4

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