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Commit d8d79f8f authored by Michal Suchanek's avatar Michal Suchanek Committed by Lee Jones
Browse files

mfd: axp20x: Add axp152 support 



The axp152 is a stripped down version of the axp202 pmic with the battery
charging function removed as it is intended for top-set boxes.

Signed-off-by: default avatarMichal Suchanek <hramrach@gmail.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 18ca2ba5

drivers/mfd/axp20x.c

+83 −0
Original line number Diff line number Diff line
@@ -30,12 +30,34 @@ 
#define AXP20X_OFF	0x80



static const char * const axp20x_model_names[] = {

	"AXP152",

	"AXP202",

	"AXP209",

	"AXP221",

	"AXP288",

};



static const struct regmap_range axp152_writeable_ranges[] = {

	regmap_reg_range(AXP152_LDO3456_DC1234_CTRL, AXP152_IRQ3_STATE),

	regmap_reg_range(AXP152_DCDC_MODE, AXP152_PWM1_DUTY_CYCLE),

};



static const struct regmap_range axp152_volatile_ranges[] = {

	regmap_reg_range(AXP152_PWR_OP_MODE, AXP152_PWR_OP_MODE),

	regmap_reg_range(AXP152_IRQ1_EN, AXP152_IRQ3_STATE),

	regmap_reg_range(AXP152_GPIO_INPUT, AXP152_GPIO_INPUT),

};



static const struct regmap_access_table axp152_writeable_table = {

	.yes_ranges	= axp152_writeable_ranges,

	.n_yes_ranges	= ARRAY_SIZE(axp152_writeable_ranges),

};



static const struct regmap_access_table axp152_volatile_table = {

	.yes_ranges	= axp152_volatile_ranges,

	.n_yes_ranges	= ARRAY_SIZE(axp152_volatile_ranges),

};



static const struct regmap_range axp20x_writeable_ranges[] = {

	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),

	regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
@@ -93,6 +115,11 @@ static const struct regmap_access_table axp288_volatile_table = { 
	.n_yes_ranges	= ARRAY_SIZE(axp288_volatile_ranges),

};



static struct resource axp152_pek_resources[] = {

	DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),

	DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),

};



static struct resource axp20x_pek_resources[] = {

	{

		.name	= "PEK_DBR",
@@ -154,6 +181,15 @@ static struct resource axp288_fuel_gauge_resources[] = { 
	},

};



static const struct regmap_config axp152_regmap_config = {

	.reg_bits	= 8,

	.val_bits	= 8,

	.wr_table	= &axp152_writeable_table,

	.volatile_table	= &axp152_volatile_table,

	.max_register	= AXP152_PWM1_DUTY_CYCLE,

	.cache_type	= REGCACHE_RBTREE,

};



static const struct regmap_config axp20x_regmap_config = {

	.reg_bits	= 8,

	.val_bits	= 8,
@@ -184,6 +220,26 @@ static const struct regmap_config axp288_regmap_config = { 
#define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)			\

	[_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }



static const struct regmap_irq axp152_regmap_irqs[] = {

	INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT,		0, 6),

	INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL,		0, 5),

	INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT,	0, 3),

	INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL,	0, 2),

	INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW,		1, 5),

	INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW,		1, 4),

	INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW,		1, 3),

	INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW,		1, 2),

	INIT_REGMAP_IRQ(AXP152, PEK_SHORT,		1, 1),

	INIT_REGMAP_IRQ(AXP152, PEK_LONG,		1, 0),

	INIT_REGMAP_IRQ(AXP152, TIMER,			2, 7),

	INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE,		2, 6),

	INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE,		2, 5),

	INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT,		2, 3),

	INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT,		2, 2),

	INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT,		2, 1),

	INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,		2, 0),

};



static const struct regmap_irq axp20x_regmap_irqs[] = {

	INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,		0, 7),

	INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,		0, 6),
@@ -293,6 +349,7 @@ static const struct regmap_irq axp288_regmap_irqs[] = { 
};



static const struct of_device_id axp20x_of_match[] = {

	{ .compatible = "x-powers,axp152", .data = (void *) AXP152_ID },

	{ .compatible = "x-powers,axp202", .data = (void *) AXP202_ID },

	{ .compatible = "x-powers,axp209", .data = (void *) AXP209_ID },

	{ .compatible = "x-powers,axp221", .data = (void *) AXP221_ID },
@@ -317,6 +374,18 @@ static const struct acpi_device_id axp20x_acpi_match[] = { 
};

MODULE_DEVICE_TABLE(acpi, axp20x_acpi_match);



static const struct regmap_irq_chip axp152_regmap_irq_chip = {

	.name			= "axp152_irq_chip",

	.status_base		= AXP152_IRQ1_STATE,

	.ack_base		= AXP152_IRQ1_STATE,

	.mask_base		= AXP152_IRQ1_EN,

	.mask_invert		= true,

	.init_ack_masked	= true,

	.irqs			= axp152_regmap_irqs,

	.num_irqs		= ARRAY_SIZE(axp152_regmap_irqs),

	.num_regs		= 3,

};



static const struct regmap_irq_chip axp20x_regmap_irq_chip = {

	.name			= "axp20x_irq_chip",

	.status_base		= AXP20X_IRQ1_STATE,
@@ -375,6 +444,14 @@ static struct mfd_cell axp22x_cells[] = { 
	},

};



static struct mfd_cell axp152_cells[] = {

	{

		.name			= "axp20x-pek",

		.num_resources		= ARRAY_SIZE(axp152_pek_resources),

		.resources		= axp152_pek_resources,

	},

};



static struct resource axp288_adc_resources[] = {

	{

		.name  = "GPADC",
@@ -513,6 +590,12 @@ static int axp20x_match_device(struct axp20x_dev *axp20x, struct device *dev) 
	}



	switch (axp20x->variant) {

	case AXP152_ID:

		axp20x->nr_cells = ARRAY_SIZE(axp152_cells);

		axp20x->cells = axp152_cells;

		axp20x->regmap_cfg = &axp152_regmap_config;

		axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;

		break;

	case AXP202_ID:

	case AXP209_ID:

		axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);

include/linux/mfd/axp20x.h

+60 −1
Original line number Diff line number Diff line
@@ -12,7 +12,8 @@ 
#define __LINUX_MFD_AXP20X_H



enum {

	AXP202_ID = 0,

	AXP152_ID = 0,

	AXP202_ID,

	AXP209_ID,

	AXP221_ID,

	AXP288_ID,
@@ -22,6 +23,24 @@ enum { 
#define AXP20X_DATACACHE(m)		(0x04 + (m))



/* Power supply */

#define AXP152_PWR_OP_MODE		0x01

#define AXP152_LDO3456_DC1234_CTRL	0x12

#define AXP152_ALDO_OP_MODE		0x13

#define AXP152_LDO0_CTRL		0x15

#define AXP152_DCDC2_V_OUT		0x23

#define AXP152_DCDC2_V_SCAL		0x25

#define AXP152_DCDC1_V_OUT		0x26

#define AXP152_DCDC3_V_OUT		0x27

#define AXP152_ALDO12_V_OUT		0x28

#define AXP152_DLDO1_V_OUT		0x29

#define AXP152_DLDO2_V_OUT		0x2a

#define AXP152_DCDC4_V_OUT		0x2b

#define AXP152_V_OFF			0x31

#define AXP152_OFF_CTRL			0x32

#define AXP152_PEK_KEY			0x36

#define AXP152_DCDC_FREQ		0x37

#define AXP152_DCDC_MODE		0x80



#define AXP20X_PWR_INPUT_STATUS		0x00

#define AXP20X_PWR_OP_MODE		0x01

#define AXP20X_USB_OTG_STATUS		0x02
@@ -69,6 +88,13 @@ enum { 
#define AXP22X_CHRG_CTRL3		0x35



/* Interrupt */

#define AXP152_IRQ1_EN			0x40

#define AXP152_IRQ2_EN			0x41

#define AXP152_IRQ3_EN			0x42

#define AXP152_IRQ1_STATE		0x48

#define AXP152_IRQ2_STATE		0x49

#define AXP152_IRQ3_STATE		0x4a



#define AXP20X_IRQ1_EN			0x40

#define AXP20X_IRQ2_EN			0x41

#define AXP20X_IRQ3_EN			0x42
@@ -127,6 +153,19 @@ enum { 
#define AXP22X_PWREN_CTRL2		0x8d



/* GPIO */

#define AXP152_GPIO0_CTRL		0x90

#define AXP152_GPIO1_CTRL		0x91

#define AXP152_GPIO2_CTRL		0x92

#define AXP152_GPIO3_CTRL		0x93

#define AXP152_LDOGPIO2_V_OUT		0x96

#define AXP152_GPIO_INPUT		0x97

#define AXP152_PWM0_FREQ_X		0x98

#define AXP152_PWM0_FREQ_Y		0x99

#define AXP152_PWM0_DUTY_CYCLE		0x9a

#define AXP152_PWM1_FREQ_X		0x9b

#define AXP152_PWM1_FREQ_Y		0x9c

#define AXP152_PWM1_DUTY_CYCLE		0x9d



#define AXP20X_GPIO0_CTRL		0x90

#define AXP20X_LDO5_V_OUT		0x91

#define AXP20X_GPIO1_CTRL		0x92
@@ -217,6 +256,26 @@ enum { 
};



/* IRQs */

enum {

	AXP152_IRQ_LDO0IN_CONNECT = 1,

	AXP152_IRQ_LDO0IN_REMOVAL,

	AXP152_IRQ_ALDO0IN_CONNECT,

	AXP152_IRQ_ALDO0IN_REMOVAL,

	AXP152_IRQ_DCDC1_V_LOW,

	AXP152_IRQ_DCDC2_V_LOW,

	AXP152_IRQ_DCDC3_V_LOW,

	AXP152_IRQ_DCDC4_V_LOW,

	AXP152_IRQ_PEK_SHORT,

	AXP152_IRQ_PEK_LONG,

	AXP152_IRQ_TIMER,

	AXP152_IRQ_PEK_RIS_EDGE,

	AXP152_IRQ_PEK_FAL_EDGE,

	AXP152_IRQ_GPIO3_INPUT,

	AXP152_IRQ_GPIO2_INPUT,

	AXP152_IRQ_GPIO1_INPUT,

	AXP152_IRQ_GPIO0_INPUT,

};



enum {

	AXP20X_IRQ_ACIN_OVER_V = 1,

	AXP20X_IRQ_ACIN_PLUGIN,