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Gmane
From: Robin Gong <b38343 <at> freescale.com>
Subject: [PATCH v5] regulator: pfuze100: add pfuze100 regulator driver
Newsgroups: gmane.linux.kernel
Date: Thursday 25th July 2013 03:33:18 UTC (over 3 years ago)
Add pfuze100 regulator driver.

Signed-off-by: Robin Gong 
---
 .../devicetree/bindings/regulator/pfuze100.txt     |  113 +++++
 drivers/regulator/Kconfig                          |    7 +
 drivers/regulator/Makefile                         |    1 +
 drivers/regulator/pfuze100-regulator.c             |  454
++++++++++++++++++++
 include/linux/regulator/pfuze100.h                 |   44 ++
 5 files changed, 619 insertions(+), 0 deletions(-)
 create mode 100644
Documentation/devicetree/bindings/regulator/pfuze100.txt
 create mode 100644 drivers/regulator/pfuze100-regulator.c
 create mode 100644 include/linux/regulator/pfuze100.h

diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt
b/Documentation/devicetree/bindings/regulator/pfuze100.txt
new file mode 100644
index 0000000..22e1a48
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt
@@ -0,0 +1,113 @@
+PFUZE100 family of regulators
+
+Required properties:
+- compatible: "fsl,pfuze100"
+- reg: I2C slave address
+- regulators: This is the list of child nodes that specify the regulator
+  initialization data for defined regulators. Please refer to below doc
+  Documentation/devicetree/bindings/regulator/regulator.txt.
+
+  The valid names for regulators are:
+  sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6
+
+Each regulator is defined using the standard binding for regulators.
+
+Example:
+
+	pmic: [email protected] {
+		compatible = "fsl,pfuze100";
+		reg = <0x08>;
+
+		regulators {
+			sw1a_reg: sw1ab {
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <6250>;
+			};
+
+			sw1c_reg: sw1c {
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw2_reg: sw2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw3a_reg: sw3a {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw3b_reg: sw3b {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw4_reg: sw4 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			swbst_reg: swbst {
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5150000>;
+			};
+
+			snvs_reg: vsnvs {
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vref_reg: vrefddr {
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vgen1_reg: vgen1 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+			};
+
+			vgen2_reg: vgen2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+			};
+
+			vgen3_reg: vgen3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			vgen4_reg: vgen4 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen5_reg: vgen5 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen6_reg: vgen6 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+		};
+	};
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index f1e6ad9..f913172 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -158,6 +158,13 @@ config REGULATOR_MC13892
 	  Say y here to support the regulators found on the Freescale MC13892
 	  PMIC.
 
+config REGULATOR_PFUZE100
+	tristate "Support regulators on Freescale PFUZE100 PMIC"
+	depends on I2C
+	help
+	  Say y here to support the regulators found on the Freescale PFUZE100
+	  PMIC.
+
 config REGULATOR_ISL6271A
 	tristate "Intersil ISL6271A Power regulator"
 	depends on I2C
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index ba4a3cf..ad62524 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_REGULATOR_MAX77693) += max77693.o
 obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
 obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
 obj-$(CONFIG_REGULATOR_MC13XXX_CORE) +=  mc13xxx-regulator-core.o
+obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o
 obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o
 obj-$(CONFIG_REGULATOR_TPS51632) += tps51632-regulator.o
 obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
diff --git a/drivers/regulator/pfuze100-regulator.c
b/drivers/regulator/pfuze100-regulator.c
new file mode 100644
index 0000000..fcc7cd0
--- /dev/null
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -0,0 +1,454 @@
+/*
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights
Reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA
+ */
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define PFUZE_NUMREGS		128
+#define PFUZE100_VOL_OFFSET	0
+#define PFUZE100_STANDBY_OFFSET	1
+#define PFUZE100_MODE_OFFSET	3
+#define PFUZE100_CONF_OFFSET	4
+
+#define PFUZE100_DEVICEID	0x0
+#define PFUZE100_REVID		0x3
+#define PFUZE100_FABID		0x3
+
+#define PFUZE100_SW1ABVOL	0x20
+#define PFUZE100_SW1CVOL	0x2e
+#define PFUZE100_SW2VOL		0x35
+#define PFUZE100_SW3AVOL	0x3c
+#define PFUZE100_SW3BVOL	0x43
+#define PFUZE100_SW4VOL		0x4a
+#define PFUZE100_SWBSTCON1	0x66
+#define PFUZE100_VREFDDRCON	0x6a
+#define PFUZE100_VSNVSVOL	0x6b
+#define PFUZE100_VGEN1VOL	0x6c
+#define PFUZE100_VGEN2VOL	0x6d
+#define PFUZE100_VGEN3VOL	0x6e
+#define PFUZE100_VGEN4VOL	0x6f
+#define PFUZE100_VGEN5VOL	0x70
+#define PFUZE100_VGEN6VOL	0x71
+
+struct pfuze_regulator {
+	struct regulator_desc desc;
+	unsigned char stby_reg;
+	unsigned char stby_mask;
+};
+
+struct pfuze_chip {
+	struct regmap *regmap;
+	struct device *dev;
+	struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR];
+	struct regulator_dev *regulators[PFUZE100_MAX_REGULATOR];
+};
+
+static const int pfuze100_swbst[] = {
+	5000000, 5050000, 5100000, 5150000,
+};
+
+static const int pfuze100_vsnvs[] = {
+	1000000, 1100000, 1200000, 1300000, 1500000, 1800000, 3000000,
+};
+
+static const struct i2c_device_id pfuze_device_id[] = {
+	{.name = "pfuze100"},
+	{},
+};
+MODULE_DEVICE_TABLE(i2c, pfuze_device_id);
+
+static const struct of_device_id pfuze_dt_ids[] = {
+	{ .compatible = "fsl,pfuze100" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, pfuze_dt_ids);
+
+static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int
ramp_delay)
+{
+	struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev);
+	int id = rdev->desc->id;
+	unsigned int val, ramp_bits, reg;
+	int ret;
+
+	if (id < PFUZE100_SWBST) {
+		if (id == PFUZE100_SW1AB)
+			reg = PFUZE100_SW1ABVOL;
+		else
+			reg = PFUZE100_SW1CVOL + (id - PFUZE100_SW1C) * 7;
+		regmap_read(pfuze100->regmap, reg, &val);
+
+		if (id <= PFUZE100_SW1C)
+			ramp_delay = 25000 / (2 * ramp_delay);
+		else if (val & 0x40)
+			ramp_delay = 50000 / (4 * ramp_delay);
+		else
+			ramp_delay = 25000 / (2 * ramp_delay);
+
+		ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3);
+		ret = regmap_update_bits(pfuze100->regmap, reg + 4 , 0xc0,
+				ramp_bits << 6);
+		if (ret < 0)
+			dev_err(pfuze100->dev, "ramp failed, err %d\n", ret);
+	} else
+		ret = -EACCES;
+
+	return ret;
+}
+
+static struct regulator_ops pfuze100_ldo_regulator_ops = {
+	.enable = regulator_enable_regmap,
+	.disable = regulator_disable_regmap,
+	.is_enabled = regulator_is_enabled_regmap,
+	.list_voltage = regulator_list_voltage_linear,
+	.set_voltage_sel = regulator_set_voltage_sel_regmap,
+	.get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
+static struct regulator_ops pfuze100_fixed_regulator_ops = {
+	.list_voltage = regulator_list_voltage_linear,
+};
+
+static struct regulator_ops pfuze100_sw_regulator_ops = {
+	.list_voltage = regulator_list_voltage_linear,
+	.set_voltage_sel = regulator_set_voltage_sel_regmap,
+	.get_voltage_sel = regulator_get_voltage_sel_regmap,
+	.set_voltage_time_sel = regulator_set_voltage_time_sel,
+	.set_ramp_delay = pfuze100_set_ramp_delay,
+};
+
+static struct regulator_ops pfuze100_swb_regulator_ops = {
+	.list_voltage = regulator_list_voltage_table,
+	.set_voltage_sel = regulator_set_voltage_sel_regmap,
+	.get_voltage_sel = regulator_get_voltage_sel_regmap,
+
+};
+
+#define PFUZE100_FIXED_REG(_name, base, voltage)	\
+	[PFUZE100_ ## _name] = {	\
+		.desc = {	\
+			.name = #_name,	\
+			.n_voltages = 1,	\
+			.ops = &pfuze100_fixed_regulator_ops,	\
+			.type = REGULATOR_VOLTAGE,	\
+			.id = PFUZE100_ ## _name,	\
+			.owner = THIS_MODULE,	\
+			.min_uV = (voltage),	\
+			.enable_reg = (base),	\
+			.enable_mask = 0x10,	\
+		},	\
+	}
+
+#define PFUZE100_SW_REG(_name, base, min, max, step)	\
+	[PFUZE100_ ## _name] = {	\
+		.desc = {	\
+			.name = #_name,\
+			.n_voltages = ((max) - (min)) / (step) + 1,	\
+			.ops = &pfuze100_sw_regulator_ops,	\
+			.type = REGULATOR_VOLTAGE,	\
+			.id = PFUZE100_ ## _name,	\
+			.owner = THIS_MODULE,	\
+			.min_uV = (min),	\
+			.uV_step = (step),	\
+			.vsel_reg = (base) + PFUZE100_VOL_OFFSET,	\
+			.vsel_mask = 0x3f,	\
+		},	\
+		.stby_reg = (base) + PFUZE100_STANDBY_OFFSET,	\
+		.stby_mask = 0x3f,	\
+	}
+
+#define PFUZE100_SWB_REG(_name, base, mask, voltages)	\
+	[PFUZE100_ ## _name] = {	\
+		.desc = {	\
+			.name = #_name,	\
+			.n_voltages = ARRAY_SIZE(voltages),	\
+			.ops = &pfuze100_swb_regulator_ops,	\
+			.type = REGULATOR_VOLTAGE,	\
+			.id = PFUZE100_ ## _name,	\
+			.owner = THIS_MODULE,	\
+			.volt_table = voltages,	\
+			.vsel_reg = (base),	\
+			.vsel_mask = (mask),	\
+		},	\
+	}
+
+#define PFUZE100_VGEN_REG(_name, base, min, max, step)	\
+	[PFUZE100_ ## _name] = {	\
+		.desc = {	\
+			.name = #_name,	\
+			.n_voltages = ((max) - (min)) / (step) + 1,	\
+			.ops = &pfuze100_ldo_regulator_ops,	\
+			.type = REGULATOR_VOLTAGE,	\
+			.id = PFUZE100_ ## _name,	\
+			.owner = THIS_MODULE,	\
+			.min_uV = (min),	\
+			.uV_step = (step),	\
+			.vsel_reg = (base),	\
+			.vsel_mask = 0xf,	\
+			.enable_reg = (base),	\
+			.enable_mask = 0x10,	\
+		},	\
+		.stby_reg = (base),	\
+		.stby_mask = 0x20,	\
+	}
+
+static struct pfuze_regulator pfuze100_regulators[] = {
+	PFUZE100_SW_REG(SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
+	PFUZE100_SW_REG(SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000),
+	PFUZE100_SW_REG(SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
+	PFUZE100_SW_REG(SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
+	PFUZE100_SW_REG(SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
+	PFUZE100_SW_REG(SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000),
+	PFUZE100_SWB_REG(SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
+	PFUZE100_SWB_REG(VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
+	PFUZE100_FIXED_REG(VREFDDR, PFUZE100_VREFDDRCON, 750000),
+	PFUZE100_VGEN_REG(VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
+	PFUZE100_VGEN_REG(VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
+	PFUZE100_VGEN_REG(VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
+	PFUZE100_VGEN_REG(VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
+	PFUZE100_VGEN_REG(VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
+	PFUZE100_VGEN_REG(VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
+};
+
+#ifdef CONFIG_OF
+static struct of_regulator_match pfuze100_matches[] = {
+	{ .name = "sw1ab",	},
+	{ .name = "sw1c",	},
+	{ .name = "sw2",	},
+	{ .name = "sw3a",	},
+	{ .name = "sw3b",	},
+	{ .name = "sw4",	},
+	{ .name = "swbst",	},
+	{ .name = "vsnvs",	},
+	{ .name = "vrefddr",	},
+	{ .name = "vgen1",	},
+	{ .name = "vgen2",	},
+	{ .name = "vgen3",	},
+	{ .name = "vgen4",	},
+	{ .name = "vgen5",	},
+	{ .name = "vgen6",	},
+};
+
+static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
+{
+	struct device *dev = chip->dev;
+	struct device_node *np, *parent;
+	int ret;
+
+	np = of_node_get(dev->parent->of_node);
+	if (!np)
+		return 0;
+
+	parent = of_find_node_by_name(np, "regulators");
+	if (!parent) {
+		dev_err(dev, "regulators node not found\n");
+		return -EINVAL;
+	}
+
+	ret = of_regulator_match(dev, parent, pfuze100_matches,
+				 ARRAY_SIZE(pfuze100_matches));
+
+	of_node_put(parent);
+	if (ret < 0) {
+		dev_err(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 pfuze100_matches[index].init_data;
+}
+
+static inline struct device_node *match_of_node(int index)
+{
+	return pfuze100_matches[index].of_node;
+}
+#else
+static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
+{
+	return NULL;
+}
+
+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
+
+static int pfuze_identify(struct pfuze_chip *pfuze_chip)
+{
+	unsigned int value;
+	int ret;
+
+	ret = regmap_read(pfuze_chip->regmap, PFUZE100_DEVICEID, &value);
+	if (ret)
+		return ret;
+
+	if (value & 0x0f) {
+		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",
+		 (value & 0xf0) >> 4, value & 0x0f);
+
+	ret = regmap_read(pfuze_chip->regmap, PFUZE100_FABID, &value);
+	if (ret)
+		return ret;
+	dev_info(pfuze_chip->dev, "FAB: %x, FIN: %x\n",
+		 (value & 0xc) >> 2, value & 0x3);
+
+	return 0;
+}
+
+static const struct regmap_config pfuze_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = PFUZE_NUMREGS,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static int pfuze100_regulator_probe(struct i2c_client *client,
+				    const struct i2c_device_id *id)
+{
+	struct pfuze_chip *pfuze_chip;
+	struct pfuze_regulator_platform_data *pdata =
+	    dev_get_platdata(&client->dev);
+	struct regulator_config config = { };
+	int i, ret;
+
+	pfuze_chip = devm_kzalloc(&client->dev, sizeof(*pfuze_chip),
+			GFP_KERNEL);
+	if (!pfuze_chip)
+		return -ENOMEM;
+
+	dev_set_drvdata(&client->dev, pfuze_chip);
+
+	memcpy(pfuze_chip->regulator_descs, pfuze100_regulators,
+		sizeof(pfuze_chip->regulator_descs));
+
+	pfuze_chip->dev = &client->dev;
+
+	pfuze_chip->regmap = devm_regmap_init_i2c(client, &pfuze_regmap_config);
+	if (IS_ERR(pfuze_chip->regmap)) {
+		ret = PTR_ERR(pfuze_chip->regmap);
+		dev_err(&client->dev,
+			"regmap allocation failed with err %d\n", ret);
+		return ret;
+	}
+
+	ret = pfuze_identify(pfuze_chip);
+	if (ret) {
+		dev_err(&client->dev, "unrecognized pfuze chip ID!\n");
+		return ret;
+	}
+
+	ret = pfuze_parse_regulators_dt(pfuze_chip);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) {
+		struct regulator_init_data *init_data;
+		int val;
+
+		if (pdata)
+			init_data = pdata->init_data[i];
+		else
+			init_data = match_init_data(i);
+
+		/* SW2~SW4 high bit check and modify the voltage value table */
+		if (i > PFUZE100_SW1C && i < PFUZE100_SWBST) {
+			regmap_read(pfuze_chip->regmap, PFUZE100_SW2VOL +
+					(i - PFUZE100_SW2) * 7, &val);
+			if (val & 0x40) {
+				pfuze_chip->regulator_descs[i].desc.min_uV
+				= 800000;
+				pfuze_chip->regulator_descs[i].desc.uV_step
+				= 50000;
+			}
+		}
+
+		config.dev = &client->dev;
+		config.init_data = init_data;
+		config.driver_data = pfuze_chip;
+		config.of_node = match_of_node(i);
+
+		pfuze_chip->regulators[i] = regulator_register(&pfuze_chip
+			->regulator_descs[i].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 0;
+}
+
+static int pfuze100_regulator_remove(struct i2c_client *client)
+{
+	int i;
+	struct pfuze_chip *pfuze_chip = dev_get_drvdata(&client->dev);
+
+	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 = {
+		.name = "pfuze100-regulator",
+		.owner = THIS_MODULE,
+		.of_match_table = pfuze_dt_ids,
+	},
+	.probe = pfuze100_regulator_probe,
+	.remove = pfuze100_regulator_remove,
+};
+module_i2c_driver(pfuze_driver);
+
+MODULE_AUTHOR("Robin Gong ");
+MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100 PMIC");
+MODULE_ALIAS("pfuze100-regulator");
diff --git a/include/linux/regulator/pfuze100.h
b/include/linux/regulator/pfuze100.h
new file mode 100644
index 0000000..65d550b
--- /dev/null
+++ b/include/linux/regulator/pfuze100.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights
Reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef __LINUX_REG_PFUZE100_H
+#define __LINUX_REG_PFUZE100_H
+
+#define PFUZE100_SW1AB		0
+#define PFUZE100_SW1C		1
+#define PFUZE100_SW2		2
+#define PFUZE100_SW3A		3
+#define PFUZE100_SW3B		4
+#define PFUZE100_SW4		5
+#define PFUZE100_SWBST		6
+#define PFUZE100_VSNVS		7
+#define PFUZE100_VREFDDR	8
+#define PFUZE100_VGEN1		9
+#define PFUZE100_VGEN2		10
+#define PFUZE100_VGEN3		11
+#define PFUZE100_VGEN4		12
+#define PFUZE100_VGEN5		13
+#define PFUZE100_VGEN6		14
+#define PFUZE100_MAX_REGULATOR	15
+
+struct regulator_init_data;
+
+struct pfuze_regulator_platform_data {
+	struct regulator_init_data *init_data[PFUZE100_MAX_REGULATOR];
+};
+
+#endif /* __LINUX_REG_PFUZE100_H */
-- 
1.7.5.4


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