Commit e5a7a72c authored by Robin Gong's avatar Robin Gong Committed by Mark Brown
Browse files

regulator: pfuze100-regulator: add pfuze3000 support 



Add pfuze3000 chip support.

Signed-off-by: default avatarRobin Gong <b38343@freescale.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 97bf6af1

Documentation/devicetree/bindings/regulator/pfuze100.txt

+93 −1
Original line number Diff line number Diff line 
PFUZE100 family of regulators



Required properties:

- compatible: "fsl,pfuze100" or "fsl,pfuze200"

- compatible: "fsl,pfuze100", "fsl,pfuze200", "fsl,pfuze3000"

- reg: I2C slave address



Required child node:
@@ -14,6 +14,8 @@ Required child node: 
  sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6

  --PFUZE200

  sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6

  --PFUZE3000

  sw1a,sw1b,sw2,sw3,swbst,vsnvs,vrefddr,vldo1,vldo2,vccsd,v33,vldo3,vldo4



Each regulator is defined using the standard binding for regulators.
@@ -205,3 +207,93 @@ Example 2: PFUZE200 
			};

		};

	};



Example 3: PFUZE3000



	pmic: pfuze3000@08 {

		compatible = "fsl,pfuze3000";

		reg = <0x08>;



		regulators {

			sw1a_reg: sw1a {

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1475000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <6250>;

			};

			/* use sw1c_reg to align with pfuze100/pfuze200 */

			sw1c_reg: sw1b {

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1475000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <6250>;

			};



			sw2_reg: sw2 {

				regulator-min-microvolt = <2500000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3a_reg: sw3 {

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <1650000>;

				regulator-boot-on;

				regulator-always-on;

			};



			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: vldo1 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen2_reg: vldo2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

			};



			vgen3_reg: vccsd {

				regulator-min-microvolt = <2850000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen4_reg: v33 {

				regulator-min-microvolt = <2850000>;

				regulator-max-microvolt = <3300000>;

			};



			vgen5_reg: vldo3 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen6_reg: vldo4 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};

		};

	};

drivers/regulator/pfuze100-regulator.c

+125 −9
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ 
#define PFUZE100_VGEN5VOL	0x70

#define PFUZE100_VGEN6VOL	0x71



enum chips { PFUZE100, PFUZE200 };

enum chips { PFUZE100, PFUZE200, PFUZE3000 = 3 };



struct pfuze_regulator {

	struct regulator_desc desc;
@@ -80,9 +80,18 @@ static const int pfuze100_vsnvs[] = { 
	1000000, 1100000, 1200000, 1300000, 1500000, 1800000, 3000000,

};



static const int pfuze3000_sw2lo[] = {

	1500000, 1550000, 1600000, 1650000, 1700000, 1750000, 1800000, 1850000,

};



static const int pfuze3000_sw2hi[] = {

	2500000, 2800000, 2850000, 3000000, 3100000, 3150000, 3200000, 3300000,

};



static const struct i2c_device_id pfuze_device_id[] = {

	{.name = "pfuze100", .driver_data = PFUZE100},

	{.name = "pfuze200", .driver_data = PFUZE200},

	{.name = "pfuze3000", .driver_data = PFUZE3000},

	{ }

};

MODULE_DEVICE_TABLE(i2c, pfuze_device_id);
@@ -90,6 +99,7 @@ MODULE_DEVICE_TABLE(i2c, pfuze_device_id); 
static const struct of_device_id pfuze_dt_ids[] = {

	{ .compatible = "fsl,pfuze100", .data = (void *)PFUZE100},

	{ .compatible = "fsl,pfuze200", .data = (void *)PFUZE200},

	{ .compatible = "fsl,pfuze3000", .data = (void *)PFUZE3000},

	{ }

};

MODULE_DEVICE_TABLE(of, pfuze_dt_ids);
@@ -219,6 +229,60 @@ static struct regulator_ops pfuze100_swb_regulator_ops = { 
		.stby_mask = 0x20,	\

	}



#define PFUZE3000_VCC_REG(_chip, _name, base, min, max, step)	{	\

	.desc = {	\

		.name = #_name,	\

		.n_voltages = ((max) - (min)) / (step) + 1,	\

		.ops = &pfuze100_ldo_regulator_ops,	\

		.type = REGULATOR_VOLTAGE,	\

		.id = _chip ## _ ## _name,	\

		.owner = THIS_MODULE,	\

		.min_uV = (min),	\

		.uV_step = (step),	\

		.vsel_reg = (base),	\

		.vsel_mask = 0x3,	\

		.enable_reg = (base),	\

		.enable_mask = 0x10,	\

	},	\

	.stby_reg = (base),	\

	.stby_mask = 0x20,	\

}





#define PFUZE3000_SW2_REG(_chip, _name, base, min, max, step)	{	\

	.desc = {	\

		.name = #_name,\

		.n_voltages = ((max) - (min)) / (step) + 1,	\

		.ops = &pfuze100_sw_regulator_ops,	\

		.type = REGULATOR_VOLTAGE,	\

		.id = _chip ## _ ## _name,	\

		.owner = THIS_MODULE,	\

		.min_uV = (min),	\

		.uV_step = (step),	\

		.vsel_reg = (base) + PFUZE100_VOL_OFFSET,	\

		.vsel_mask = 0x7,	\

	},	\

	.stby_reg = (base) + PFUZE100_STANDBY_OFFSET,	\

	.stby_mask = 0x7,	\

}



#define PFUZE3000_SW3_REG(_chip, _name, base, min, max, step)	{	\

	.desc = {	\

		.name = #_name,\

		.n_voltages = ((max) - (min)) / (step) + 1,	\

		.ops = &pfuze100_sw_regulator_ops,	\

		.type = REGULATOR_VOLTAGE,	\

		.id = _chip ## _ ## _name,	\

		.owner = THIS_MODULE,	\

		.min_uV = (min),	\

		.uV_step = (step),	\

		.vsel_reg = (base) + PFUZE100_VOL_OFFSET,	\

		.vsel_mask = 0xf,	\

	},	\

	.stby_reg = (base) + PFUZE100_STANDBY_OFFSET,	\

	.stby_mask = 0xf,	\

}



/* PFUZE100 */

static struct pfuze_regulator pfuze100_regulators[] = {

	PFUZE100_SW_REG(PFUZE100, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
@@ -254,6 +318,22 @@ static struct pfuze_regulator pfuze200_regulators[] = { 
	PFUZE100_VGEN_REG(PFUZE200, VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),

};



static struct pfuze_regulator pfuze3000_regulators[] = {

	PFUZE100_SW_REG(PFUZE3000, SW1A, PFUZE100_SW1ABVOL, 700000, 1475000, 25000),

	PFUZE100_SW_REG(PFUZE3000, SW1B, PFUZE100_SW1CVOL, 700000, 1475000, 25000),

	PFUZE100_SWB_REG(PFUZE3000, SW2, PFUZE100_SW2VOL, 0x7, pfuze3000_sw2lo),

	PFUZE3000_SW3_REG(PFUZE3000, SW3, PFUZE100_SW3AVOL, 900000, 1650000, 50000),

	PFUZE100_SWB_REG(PFUZE3000, SWBST, PFUZE100_SWBSTCON1, 0x3, pfuze100_swbst),

	PFUZE100_SWB_REG(PFUZE3000, VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),

	PFUZE100_FIXED_REG(PFUZE3000, VREFDDR, PFUZE100_VREFDDRCON, 750000),

	PFUZE100_VGEN_REG(PFUZE3000, VLDO1, PFUZE100_VGEN1VOL, 1800000, 3300000, 100000),

	PFUZE100_VGEN_REG(PFUZE3000, VLDO2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),

	PFUZE3000_VCC_REG(PFUZE3000, VCCSD, PFUZE100_VGEN3VOL, 2850000, 3300000, 150000),

	PFUZE3000_VCC_REG(PFUZE3000, V33, PFUZE100_VGEN4VOL, 2850000, 3300000, 150000),

	PFUZE100_VGEN_REG(PFUZE3000, VLDO3, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),

	PFUZE100_VGEN_REG(PFUZE3000, VLDO4, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),

};



static struct pfuze_regulator *pfuze_regulators;



#ifdef CONFIG_OF
@@ -294,6 +374,24 @@ static struct of_regulator_match pfuze200_matches[] = { 
	{ .name = "vgen6",	},

};



/* PFUZE3000 */

static struct of_regulator_match pfuze3000_matches[] = {



	{ .name = "sw1a",	},

	{ .name = "sw1b",	},

	{ .name = "sw2",	},

	{ .name = "sw3",	},

	{ .name = "swbst",	},

	{ .name = "vsnvs",	},

	{ .name = "vrefddr",	},

	{ .name = "vldo1",	},

	{ .name = "vldo2",	},

	{ .name = "vccsd",	},

	{ .name = "v33",	},

	{ .name = "vldo3",	},

	{ .name = "vldo4",	},

};



static struct of_regulator_match *pfuze_matches;



static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
@@ -313,6 +411,11 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) 
	}



	switch (chip->chip_id) {

	case PFUZE3000:

		pfuze_matches = pfuze3000_matches;

		ret = of_regulator_match(dev, parent, pfuze3000_matches,

					 ARRAY_SIZE(pfuze3000_matches));

		break;

	case PFUZE200:

		pfuze_matches = pfuze200_matches;

		ret = of_regulator_match(dev, parent, pfuze200_matches,
@@ -378,7 +481,8 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip) 
		 * as ID=8 in PFUZE100

		 */

		dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8");

	} else if ((value & 0x0f) != pfuze_chip->chip_id) {

	} else if ((value & 0x0f) != pfuze_chip->chip_id &&

		   (value & 0xf0) >> 4 != pfuze_chip->chip_id) {

		/* device id NOT match with your setting */

		dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);

		return -ENODEV;
@@ -417,7 +521,7 @@ static int pfuze100_regulator_probe(struct i2c_client *client, 
	int i, ret;

	const struct of_device_id *match;

	u32 regulator_num;

	u32 sw_check_start, sw_check_end;

	u32 sw_check_start, sw_check_end, sw_hi = 0x40;



	pfuze_chip = devm_kzalloc(&client->dev, sizeof(*pfuze_chip),

			GFP_KERNEL);
@@ -458,13 +562,19 @@ static int pfuze100_regulator_probe(struct i2c_client *client, 


	/* use the right regulators after identify the right device */

	switch (pfuze_chip->chip_id) {

	case PFUZE3000:

		pfuze_regulators = pfuze3000_regulators;

		regulator_num = ARRAY_SIZE(pfuze3000_regulators);

		sw_check_start = PFUZE3000_SW2;

		sw_check_end = PFUZE3000_SW2;

		sw_hi = 1 << 3;

		break;

	case PFUZE200:

		pfuze_regulators = pfuze200_regulators;

		regulator_num = ARRAY_SIZE(pfuze200_regulators);

		sw_check_start = PFUZE200_SW2;

		sw_check_end = PFUZE200_SW3B;

		break;



	case PFUZE100:

	default:

		pfuze_regulators = pfuze100_regulators;
@@ -474,7 +584,8 @@ static int pfuze100_regulator_probe(struct i2c_client *client, 
		break;

	}

	dev_info(&client->dev, "pfuze%s found.\n",

		(pfuze_chip->chip_id == PFUZE100) ? "100" : "200");

		(pfuze_chip->chip_id == PFUZE100) ? "100" :

		((pfuze_chip->chip_id == PFUZE200) ? "200" : "3000"));



	memcpy(pfuze_chip->regulator_descs, pfuze_regulators,

		sizeof(pfuze_chip->regulator_descs));
@@ -498,12 +609,17 @@ static int pfuze100_regulator_probe(struct i2c_client *client, 
		/* SW2~SW4 high bit check and modify the voltage value table */

		if (i >= sw_check_start && i <= sw_check_end) {

			regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val);

			if (val & 0x40) {

			if (val & sw_hi) {

				if (pfuze_chip->chip_id == PFUZE3000) {

					desc->volt_table = pfuze3000_sw2hi;

					desc->n_voltages = ARRAY_SIZE(pfuze3000_sw2hi);

				} else {

					desc->min_uV = 800000;

					desc->uV_step = 50000;

					desc->n_voltages = 51;

				}

			}

		}



		config.dev = &client->dev;

		config.init_data = init_data;

include/linux/regulator/pfuze100.h

+14 −0
Original line number Diff line number Diff line
@@ -49,6 +49,20 @@ 
#define PFUZE200_VGEN5		11

#define PFUZE200_VGEN6		12



#define PFUZE3000_SW1A		0

#define PFUZE3000_SW1B		1

#define PFUZE3000_SW2		2

#define PFUZE3000_SW3		3

#define PFUZE3000_SWBST		4

#define PFUZE3000_VSNVS		5

#define PFUZE3000_VREFDDR	6

#define PFUZE3000_VLDO1		7

#define PFUZE3000_VLDO2		8

#define PFUZE3000_VCCSD		9

#define PFUZE3000_V33		10

#define PFUZE3000_VLDO3		11

#define PFUZE3000_VLDO4		12



struct regulator_init_data;



struct pfuze_regulator_platform_data {

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