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Commit 1dbe0ccb authored by Icenowy Zheng's avatar Icenowy Zheng Committed by Mark Brown
Browse files

regulator: axp20x-regulator: add support for AXP803 



AXP803 PMIC also have a series of regulators (DCDCs and LDOs)
controllable via I2C/RSB bus.

Add support for them.

Signed-off-by: default avatarIcenowy Zheng <icenowy@aosc.io>
Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2ea659a9

drivers/regulator/axp20x-regulator.c

+131 −22
Original line number Diff line number Diff line
@@ -244,6 +244,82 @@ static const struct regulator_desc axp22x_drivevbus_regulator = { 
	.ops		= &axp20x_ops_sw,

};



static const struct regulator_linear_range axp803_dcdc234_ranges[] = {

	REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000),

	REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x4b, 20000),

};



static const struct regulator_linear_range axp803_dcdc5_ranges[] = {

	REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 10000),

	REGULATOR_LINEAR_RANGE(1140000, 0x21, 0x44, 20000),

};



static const struct regulator_linear_range axp803_dcdc6_ranges[] = {

	REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000),

	REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000),

};



/* AXP806's CLDO2 and AXP809's DLDO1 shares the same range */

static const struct regulator_linear_range axp803_dldo2_ranges[] = {

	REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000),

	REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000),

};



static const struct regulator_desc axp803_regulators[] = {

	AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,

		 AXP803_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(0)),

	AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2", axp803_dcdc234_ranges,

			76, AXP803_DCDC2_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,

			BIT(1)),

	AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3", axp803_dcdc234_ranges,

			76, AXP803_DCDC3_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,

			BIT(2)),

	AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4", axp803_dcdc234_ranges,

			76, AXP803_DCDC4_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,

			BIT(3)),

	AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5", axp803_dcdc5_ranges,

			68, AXP803_DCDC5_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,

			BIT(4)),

	AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6", axp803_dcdc6_ranges,

			72, AXP803_DCDC6_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,

			BIT(5)),

	/* secondary switchable output of DCDC1 */

	AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2,

		    BIT(7)),

	AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100,

		 AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(5)),

	AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100,

		 AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(6)),

	AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100,

		 AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),

	AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100,

		 AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),

	AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin", axp803_dldo2_ranges,

			32, AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,

			BIT(4)),

	AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100,

		 AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),

	AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100,

		 AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),

	AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50,

		 AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),

	AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50,

		 AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),

	AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50,

		 AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),

	AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50,

		 AXP803_FLDO1_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(2)),

	AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50,

		 AXP803_FLDO2_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(3)),

	AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,

		    AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,

		    AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),

	AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,

		    AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,

		    AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),

	AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000),

};



static const struct regulator_linear_range axp806_dcdca_ranges[] = {

	REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000),

	REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000),
@@ -254,11 +330,6 @@ static const struct regulator_linear_range axp806_dcdcd_ranges[] = { 
	REGULATOR_LINEAR_RANGE(1600000, 0x2e, 0x3f, 100000),

};



static const struct regulator_linear_range axp806_cldo2_ranges[] = {

	REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000),

	REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000),

};



static const struct regulator_desc axp806_regulators[] = {

	AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina", axp806_dcdca_ranges,

			72, AXP806_DCDCA_V_CTRL, 0x7f, AXP806_PWR_OUT_CTRL1,
@@ -289,7 +360,7 @@ static const struct regulator_desc axp806_regulators[] = { 
		 AXP806_BLDO4_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(3)),

	AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100,

		 AXP806_CLDO1_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2, BIT(4)),

	AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp806_cldo2_ranges,

	AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp803_dldo2_ranges,

			32, AXP806_CLDO2_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2,

			BIT(5)),

	AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100,
@@ -326,7 +397,7 @@ static const struct regulator_desc axp809_regulators[] = { 
		 AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),

	AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100,

		 AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),

	AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp806_cldo2_ranges,

	AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp803_dldo2_ranges,

			32, AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,

			BIT(3)),

	AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
@@ -369,13 +440,20 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) 
		def = 1500;

		step = 75;

		break;

	case AXP806_ID:

	case AXP803_ID:

		/*

		 * AXP806 DCDC work frequency setting has the same range and

		 * AXP803 DCDC work frequency setting has the same range and

		 * step as AXP22X, but at a different register.

		 * Fall through to the check below.

		 * (See include/linux/mfd/axp20x.h)

		 */

		reg = AXP803_DCDC_FREQ_CTRL;

	case AXP806_ID:

		/*

		 * AXP806 also have DCDC work frequency setting register at a

		 * different position.

		 */

		if (axp20x->variant == AXP806_ID)

			reg = AXP806_DCDC_FREQ_CTRL;

	case AXP221_ID:

	case AXP223_ID:
@@ -475,6 +553,14 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work 
		workmode <<= id - AXP22X_DCDC1;

		break;



	case AXP803_ID:

		if (id < AXP803_DCDC1 || id > AXP803_DCDC6)

			return -EINVAL;



		mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1);

		workmode <<= id - AXP803_DCDC1;

		break;



	default:

		/* should not happen */

		WARN_ON(1);
@@ -492,10 +578,23 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id) 
{

	u32 reg = 0;



	/* Only AXP806 has poly-phase outputs */

	if (axp20x->variant != AXP806_ID)

		return false;

	/*

	 * Currently in our supported AXP variants, only AXP803 and AXP806

	 * have polyphase regulators.

	 */

	switch (axp20x->variant) {

	case AXP803_ID:

		regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, &reg);



		switch (id) {

		case AXP803_DCDC3:

			return !!(reg & BIT(6));

		case AXP803_DCDC6:

			return !!(reg & BIT(7));

		}

		break;



	case AXP806_ID:

		regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, &reg);



		switch (id) {
@@ -507,6 +606,11 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id) 
		case AXP806_DCDCE:

			return !!(reg & BIT(5));

		}

		break;



	default:

		return false;

	}



	return false;

}
@@ -540,6 +644,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev) 
		drivevbus = of_property_read_bool(pdev->dev.parent->of_node,

						  "x-powers,drive-vbus-en");

		break;

	case AXP803_ID:

		regulators = axp803_regulators;

		nregulators = AXP803_REG_ID_MAX;

		break;

	case AXP806_ID:

		regulators = axp806_regulators;

		nregulators = AXP806_REG_ID_MAX;
@@ -579,6 +687,7 @@ static int axp20x_regulator_probe(struct platform_device *pdev) 
		 * name.

		 */

		if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||

		    (regulators == axp803_regulators && i == AXP803_DC1SW) ||

		    (regulators == axp809_regulators && i == AXP809_DC1SW)) {

			new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),

						GFP_KERNEL);

include/linux/mfd/axp20x.h

+37 −0
Original line number Diff line number Diff line
@@ -119,6 +119,17 @@ enum axp20x_variants { 
#define AXP806_BUS_ADDR_EXT		0xfe

#define AXP806_REG_ADDR_EXT		0xff



#define AXP803_POLYPHASE_CTRL		0x14

#define AXP803_FLDO1_V_OUT		0x1c

#define AXP803_FLDO2_V_OUT		0x1d

#define AXP803_DCDC1_V_OUT		0x20

#define AXP803_DCDC2_V_OUT		0x21

#define AXP803_DCDC3_V_OUT		0x22

#define AXP803_DCDC4_V_OUT		0x23

#define AXP803_DCDC5_V_OUT		0x24

#define AXP803_DCDC6_V_OUT		0x25

#define AXP803_DCDC_FREQ_CTRL		0x3b



/* Interrupt */

#define AXP152_IRQ1_EN			0x40

#define AXP152_IRQ2_EN			0x41
@@ -350,6 +361,32 @@ enum { 
	AXP809_REG_ID_MAX,

};



enum {

	AXP803_DCDC1 = 0,

	AXP803_DCDC2,

	AXP803_DCDC3,

	AXP803_DCDC4,

	AXP803_DCDC5,

	AXP803_DCDC6,

	AXP803_DC1SW,

	AXP803_ALDO1,

	AXP803_ALDO2,

	AXP803_ALDO3,

	AXP803_DLDO1,

	AXP803_DLDO2,

	AXP803_DLDO3,

	AXP803_DLDO4,

	AXP803_ELDO1,

	AXP803_ELDO2,

	AXP803_ELDO3,

	AXP803_FLDO1,

	AXP803_FLDO2,

	AXP803_RTC_LDO,

	AXP803_LDO_IO0,

	AXP803_LDO_IO1,

	AXP803_REG_ID_MAX,

};



/* IRQs */

enum {

	AXP152_IRQ_LDO0IN_CONNECT = 1,