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Commit df3a950e authored by Zubair Lutfullah Kakakhel's avatar Zubair Lutfullah Kakakhel Committed by Mark Brown
Browse files

regulator: act8865: Add act8600 support 



This patch adds act8600 support to the act8865 driver.

VBUS and USB charger supported by this chip can be added later

Tested on MIPS Creator CI20

Signed-off-by: default avatarZubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c517d838

Documentation/devicetree/bindings/regulator/act8865-regulator.txt

+4 −1
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ ACT88xx regulators 
-------------------



Required properties:

- compatible: "active-semi,act8846" or "active-semi,act8865"

- compatible: "active-semi,act8846" or "active-semi,act8865" or "active-semi,act8600"

- reg: I2C slave address



Optional properties:
@@ -16,6 +16,9 @@ The valid names for regulators are: 
	REG1, REG2, REG3, REG4, REG5, REG6, REG7, REG8, REG9, REG10, REG11, REG12

	- for act8865:

	DCDC_REG1, DCDC_REG2, DCDC_REG3, LDO_REG1, LDO_REG2, LDO_REG3, LDO_REG4.

	- for act8600:

	DCDC_REG1, DCDC_REG2, DCDC_REG3, SUDCDC_REG4, LDO_REG5, LDO_REG6, LDO_REG7,

	LDO_REG8, LDO_REG9, LDO_REG10,



Example:

--------

drivers/regulator/act8865-regulator.c

+119 −1
Original line number Diff line number Diff line
@@ -28,6 +28,35 @@ 
#include <linux/regulator/of_regulator.h>

#include <linux/regmap.h>



/*

 * ACT8600 Global Register Map.

 */

#define ACT8600_SYS_MODE	0x00

#define ACT8600_SYS_CTRL	0x01

#define ACT8600_DCDC1_VSET	0x10

#define ACT8600_DCDC1_CTRL	0x12

#define ACT8600_DCDC2_VSET	0x20

#define ACT8600_DCDC2_CTRL	0x22

#define ACT8600_DCDC3_VSET	0x30

#define ACT8600_DCDC3_CTRL	0x32

#define ACT8600_SUDCDC4_VSET	0x40

#define ACT8600_SUDCDC4_CTRL	0x41

#define ACT8600_LDO5_VSET	0x50

#define ACT8600_LDO5_CTRL	0x51

#define ACT8600_LDO6_VSET	0x60

#define ACT8600_LDO6_CTRL	0x61

#define ACT8600_LDO7_VSET	0x70

#define ACT8600_LDO7_CTRL	0x71

#define ACT8600_LDO8_VSET	0x80

#define ACT8600_LDO8_CTRL	0x81

#define ACT8600_LDO910_CTRL	0x91

#define ACT8600_APCH0		0xA1

#define ACT8600_APCH1		0xA8

#define ACT8600_APCH2		0xA9

#define ACT8600_APCH_STAT	0xAA

#define ACT8600_OTG0		0xB0

#define ACT8600_OTG1		0xB2



/*

 * ACT8846 Global Register Map.

 */
@@ -94,10 +123,15 @@ 
#define	ACT8865_ENA		0x80	/* ON - [7] */

#define	ACT8865_VSEL_MASK	0x3F	/* VSET - [5:0] */





#define ACT8600_LDO10_ENA		0x40	/* ON - [6] */

#define ACT8600_SUDCDC_VSEL_MASK	0xFF	/* SUDCDC VSET - [7:0] */



/*

 * ACT8865 voltage number

 */

#define	ACT8865_VOLTAGE_NUM	64

#define ACT8600_SUDCDC_VOLTAGE_NUM	255



struct act8865 {

	struct regmap *regmap;
@@ -116,6 +150,13 @@ static const struct regulator_linear_range act8865_voltage_ranges[] = { 
	REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000),

};



static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = {

	REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0),

	REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000),

	REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000),

	REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000),

};



static struct regulator_ops act8865_ops = {

	.list_voltage		= regulator_list_voltage_linear_range,

	.map_voltage		= regulator_map_voltage_linear_range,
@@ -126,6 +167,12 @@ static struct regulator_ops act8865_ops = { 
	.is_enabled		= regulator_is_enabled_regmap,

};



static struct regulator_ops act8865_ldo_ops = {

	.enable			= regulator_enable_regmap,

	.disable		= regulator_disable_regmap,

	.is_enabled		= regulator_is_enabled_regmap,

};



#define ACT88xx_REG(_name, _family, _id, _vsel_reg)			\

	[_family##_ID_##_id] = {					\

		.name			= _name,			\
@@ -142,6 +189,52 @@ static struct regulator_ops act8865_ops = { 
		.owner			= THIS_MODULE,			\

	}



static const struct regulator_desc act8600_regulators[] = {

	ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET),

	ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET),

	ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET),

	{

		.name = "SUDCDC_REG4",

		.id = ACT8600_ID_SUDCDC4,

		.ops = &act8865_ops,

		.type = REGULATOR_VOLTAGE,

		.n_voltages = ACT8600_SUDCDC_VOLTAGE_NUM,

		.linear_ranges = act8600_sudcdc_voltage_ranges,

		.n_linear_ranges = ARRAY_SIZE(act8600_sudcdc_voltage_ranges),

		.vsel_reg = ACT8600_SUDCDC4_VSET,

		.vsel_mask = ACT8600_SUDCDC_VSEL_MASK,

		.enable_reg = ACT8600_SUDCDC4_CTRL,

		.enable_mask = ACT8865_ENA,

		.owner = THIS_MODULE,

	},

	ACT88xx_REG("LDO5", ACT8600, LDO5, VSET),

	ACT88xx_REG("LDO6", ACT8600, LDO6, VSET),

	ACT88xx_REG("LDO7", ACT8600, LDO7, VSET),

	ACT88xx_REG("LDO8", ACT8600, LDO8, VSET),

	{

		.name = "LDO_REG9",

		.id = ACT8600_ID_LDO9,

		.ops = &act8865_ldo_ops,

		.type = REGULATOR_VOLTAGE,

		.n_voltages = 1,

		.fixed_uV = 1800000,

		.enable_reg = ACT8600_LDO910_CTRL,

		.enable_mask = ACT8865_ENA,

		.owner = THIS_MODULE,

	},

	{

		.name = "LDO_REG10",

		.id = ACT8600_ID_LDO10,

		.ops = &act8865_ldo_ops,

		.type = REGULATOR_VOLTAGE,

		.n_voltages = 1,

		.fixed_uV = 1200000,

		.enable_reg = ACT8600_LDO910_CTRL,

		.enable_mask = ACT8600_LDO10_ENA,

		.owner = THIS_MODULE,

	},

};



static const struct regulator_desc act8846_regulators[] = {

	ACT88xx_REG("REG1", ACT8846, REG1, VSET),

	ACT88xx_REG("REG2", ACT8846, REG2, VSET0),
@@ -169,6 +262,7 @@ static const struct regulator_desc act8865_regulators[] = { 


#ifdef CONFIG_OF

static const struct of_device_id act8865_dt_ids[] = {

	{ .compatible = "active-semi,act8600", .data = (void *)ACT8600 },

	{ .compatible = "active-semi,act8846", .data = (void *)ACT8846 },

	{ .compatible = "active-semi,act8865", .data = (void *)ACT8865 },

	{ }
@@ -200,6 +294,19 @@ static struct of_regulator_match act8865_matches[] = { 
	[ACT8865_ID_LDO4]	= { .name = "LDO_REG4"},

};



static struct of_regulator_match act8600_matches[] = {

	[ACT8600_ID_DCDC1]	= { .name = "DCDC_REG1"},

	[ACT8600_ID_DCDC2]	= { .name = "DCDC_REG2"},

	[ACT8600_ID_DCDC3]	= { .name = "DCDC_REG3"},

	[ACT8600_ID_SUDCDC4]	= { .name = "SUDCDC_REG4"},

	[ACT8600_ID_LDO5]	= { .name = "LDO_REG5"},

	[ACT8600_ID_LDO6]	= { .name = "LDO_REG6"},

	[ACT8600_ID_LDO7]	= { .name = "LDO_REG7"},

	[ACT8600_ID_LDO8]	= { .name = "LDO_REG8"},

	[ACT8600_ID_LDO9]	= { .name = "LDO_REG9"},

	[ACT8600_ID_LDO10]	= { .name = "LDO_REG10"},

};



static int act8865_pdata_from_dt(struct device *dev,

				 struct device_node **of_node,

				 struct act8865_platform_data *pdata,
@@ -217,6 +324,10 @@ static int act8865_pdata_from_dt(struct device *dev, 
	}



	switch (type) {

	case ACT8600:

		matches = act8600_matches;

		num_matches = ARRAY_SIZE(act8600_matches);

		break;

	case ACT8846:

		matches = act8846_matches;

		num_matches = ARRAY_SIZE(act8846_matches);
@@ -317,6 +428,12 @@ static int act8865_pmic_probe(struct i2c_client *client, 
	}



	switch (type) {

	case ACT8600:

		regulators = act8600_regulators;

		num_regulators = ARRAY_SIZE(act8600_regulators);

		off_reg = -1;

		off_mask = -1;

		break;

	case ACT8846:

		regulators = act8846_regulators;

		num_regulators = ARRAY_SIZE(act8846_regulators);
@@ -366,7 +483,7 @@ static int act8865_pmic_probe(struct i2c_client *client, 
	}



	if (of_device_is_system_power_controller(dev->of_node)) {

		if (!pm_power_off) {

		if (!pm_power_off && (off_reg > 0)) {

			act8865_i2c_client = client;

			act8865->off_reg = off_reg;

			act8865->off_mask = off_mask;
@@ -402,6 +519,7 @@ static int act8865_pmic_probe(struct i2c_client *client, 
}



static const struct i2c_device_id act8865_ids[] = {

	{ .name = "act8600", .driver_data = ACT8600 },

	{ .name = "act8846", .driver_data = ACT8846 },

	{ .name = "act8865", .driver_data = ACT8865 },

	{ },

include/linux/regulator/act8865.h

+14 −0
Original line number Diff line number Diff line
@@ -18,6 +18,19 @@ 


#include <linux/regulator/machine.h>



enum {

	ACT8600_ID_DCDC1,

	ACT8600_ID_DCDC2,

	ACT8600_ID_DCDC3,

	ACT8600_ID_SUDCDC4,

	ACT8600_ID_LDO5,

	ACT8600_ID_LDO6,

	ACT8600_ID_LDO7,

	ACT8600_ID_LDO8,

	ACT8600_ID_LDO9,

	ACT8600_ID_LDO10,

};



enum {

	ACT8865_ID_DCDC1,

	ACT8865_ID_DCDC2,
@@ -46,6 +59,7 @@ enum { 
};



enum {

	ACT8600,

	ACT8865,

	ACT8846,

};