Commit 20147f0d authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Lee Jones
Browse files

mfd: axp20x: Add support for AXP809 PMIC 



The X-Powers AXP809 is a new PMIC that is paired with Allwinner's A80
SoC, along with a slave AXP806 PMIC.

This PMIC is quite similar to the earlier AXP223, though the interrupts
and regulator have changed a bit.

This patch adds support for the interrupts and power button of the PMIC.

Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent dedf24a2

drivers/mfd/axp20x-rsb.c

+1 −0
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ static int axp20x_rsb_remove(struct sunxi_rsb_device *rdev) 


static const struct of_device_id axp20x_rsb_of_match[] = {

	{ .compatible = "x-powers,axp223", .data = (void *)AXP223_ID },

	{ .compatible = "x-powers,axp809", .data = (void *)AXP809_ID },

	{ },

};

MODULE_DEVICE_TABLE(of, axp20x_rsb_of_match);

drivers/mfd/axp20x.c

+79 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ static const char * const axp20x_model_names[] = { 
	"AXP221",

	"AXP223",

	"AXP288",

	"AXP809",

};



static const struct regmap_range axp152_writeable_ranges[] = {
@@ -85,6 +86,7 @@ static const struct regmap_access_table axp20x_volatile_table = { 
	.n_yes_ranges	= ARRAY_SIZE(axp20x_volatile_ranges),

};



/* AXP22x ranges are shared with the AXP809, as they cover the same range */

static const struct regmap_range axp22x_writeable_ranges[] = {

	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),

	regmap_reg_range(AXP20X_DCDC_MODE, AXP22X_BATLOW_THRES1),
@@ -211,6 +213,20 @@ static struct resource axp288_fuel_gauge_resources[] = { 
	},

};



static struct resource axp809_pek_resources[] = {

	{

		.name   = "PEK_DBR",

		.start  = AXP809_IRQ_PEK_RIS_EDGE,

		.end    = AXP809_IRQ_PEK_RIS_EDGE,

		.flags  = IORESOURCE_IRQ,

	}, {

		.name   = "PEK_DBF",

		.start  = AXP809_IRQ_PEK_FAL_EDGE,

		.end    = AXP809_IRQ_PEK_FAL_EDGE,

		.flags  = IORESOURCE_IRQ,

	},

};



static const struct regmap_config axp152_regmap_config = {

	.reg_bits	= 8,

	.val_bits	= 8,
@@ -378,6 +394,41 @@ static const struct regmap_irq axp288_regmap_irqs[] = { 
	INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),

};



static const struct regmap_irq axp809_regmap_irqs[] = {

	INIT_REGMAP_IRQ(AXP809, ACIN_OVER_V,		0, 7),

	INIT_REGMAP_IRQ(AXP809, ACIN_PLUGIN,		0, 6),

	INIT_REGMAP_IRQ(AXP809, ACIN_REMOVAL,	        0, 5),

	INIT_REGMAP_IRQ(AXP809, VBUS_OVER_V,		0, 4),

	INIT_REGMAP_IRQ(AXP809, VBUS_PLUGIN,		0, 3),

	INIT_REGMAP_IRQ(AXP809, VBUS_REMOVAL,	        0, 2),

	INIT_REGMAP_IRQ(AXP809, VBUS_V_LOW,		0, 1),

	INIT_REGMAP_IRQ(AXP809, BATT_PLUGIN,		1, 7),

	INIT_REGMAP_IRQ(AXP809, BATT_REMOVAL,	        1, 6),

	INIT_REGMAP_IRQ(AXP809, BATT_ENT_ACT_MODE,	1, 5),

	INIT_REGMAP_IRQ(AXP809, BATT_EXIT_ACT_MODE,	1, 4),

	INIT_REGMAP_IRQ(AXP809, CHARG,		        1, 3),

	INIT_REGMAP_IRQ(AXP809, CHARG_DONE,		1, 2),

	INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH,	2, 7),

	INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH_END,	2, 6),

	INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW,	2, 5),

	INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW_END,	2, 4),

	INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH,	2, 3),

	INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH_END,	2, 2),

	INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW,	2, 1),

	INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW_END,	2, 0),

	INIT_REGMAP_IRQ(AXP809, DIE_TEMP_HIGH,	        3, 7),

	INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL1,	        3, 1),

	INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL2,	        3, 0),

	INIT_REGMAP_IRQ(AXP809, TIMER,		        4, 7),

	INIT_REGMAP_IRQ(AXP809, PEK_RIS_EDGE,	        4, 6),

	INIT_REGMAP_IRQ(AXP809, PEK_FAL_EDGE,	        4, 5),

	INIT_REGMAP_IRQ(AXP809, PEK_SHORT,		4, 4),

	INIT_REGMAP_IRQ(AXP809, PEK_LONG,		4, 3),

	INIT_REGMAP_IRQ(AXP809, PEK_OVER_OFF,		4, 2),

	INIT_REGMAP_IRQ(AXP809, GPIO1_INPUT,		4, 1),

	INIT_REGMAP_IRQ(AXP809, GPIO0_INPUT,		4, 0),

};



static const struct regmap_irq_chip axp152_regmap_irq_chip = {

	.name			= "axp152_irq_chip",

	.status_base		= AXP152_IRQ1_STATE,
@@ -428,6 +479,18 @@ static const struct regmap_irq_chip axp288_regmap_irq_chip = { 


};



static const struct regmap_irq_chip axp809_regmap_irq_chip = {

	.name			= "axp809",

	.status_base		= AXP20X_IRQ1_STATE,

	.ack_base		= AXP20X_IRQ1_STATE,

	.mask_base		= AXP20X_IRQ1_EN,

	.mask_invert		= true,

	.init_ack_masked	= true,

	.irqs			= axp809_regmap_irqs,

	.num_irqs		= ARRAY_SIZE(axp809_regmap_irqs),

	.num_regs		= 5,

};



static struct mfd_cell axp20x_cells[] = {

	{

		.name		= "axp20x-pek",
@@ -572,6 +635,16 @@ static struct mfd_cell axp288_cells[] = { 
	},

};



static struct mfd_cell axp809_cells[] = {

	{

		.name			= "axp20x-pek",

		.num_resources		= ARRAY_SIZE(axp809_pek_resources),

		.resources		= axp809_pek_resources,

	}, {

		.name			= "axp20x-regulator",

	},

};



static struct axp20x_dev *axp20x_pm_power_off;

static void axp20x_power_off(void)

{
@@ -631,6 +704,12 @@ int axp20x_match_device(struct axp20x_dev *axp20x) 
		axp20x->regmap_cfg = &axp288_regmap_config;

		axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;

		break;

	case AXP809_ID:

		axp20x->nr_cells = ARRAY_SIZE(axp809_cells);

		axp20x->cells = axp809_cells;

		axp20x->regmap_cfg = &axp22x_regmap_config;

		axp20x->regmap_irq_chip = &axp809_regmap_irq_chip;

		break;

	default:

		dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);

		return -EINVAL;

include/linux/mfd/axp20x.h

+59 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ enum { 
	AXP221_ID,

	AXP223_ID,

	AXP288_ID,

	AXP809_ID,

	NR_AXP20X_VARIANTS,

};
@@ -264,6 +265,29 @@ enum { 
	AXP22X_REG_ID_MAX,

};



enum {

	AXP809_DCDC1 = 0,

	AXP809_DCDC2,

	AXP809_DCDC3,

	AXP809_DCDC4,

	AXP809_DCDC5,

	AXP809_DC1SW,

	AXP809_DC5LDO,

	AXP809_ALDO1,

	AXP809_ALDO2,

	AXP809_ALDO3,

	AXP809_ELDO1,

	AXP809_ELDO2,

	AXP809_ELDO3,

	AXP809_DLDO1,

	AXP809_DLDO2,

	AXP809_RTC_LDO,

	AXP809_LDO_IO0,

	AXP809_LDO_IO1,

	AXP809_SW,

	AXP809_REG_ID_MAX,

};



/* IRQs */

enum {

	AXP152_IRQ_LDO0IN_CONNECT = 1,
@@ -390,6 +414,41 @@ enum axp288_irqs { 
	AXP288_IRQ_BC_USB_CHNG,

};



enum axp809_irqs {

	AXP809_IRQ_ACIN_OVER_V = 1,

	AXP809_IRQ_ACIN_PLUGIN,

	AXP809_IRQ_ACIN_REMOVAL,

	AXP809_IRQ_VBUS_OVER_V,

	AXP809_IRQ_VBUS_PLUGIN,

	AXP809_IRQ_VBUS_REMOVAL,

	AXP809_IRQ_VBUS_V_LOW,

	AXP809_IRQ_BATT_PLUGIN,

	AXP809_IRQ_BATT_REMOVAL,

	AXP809_IRQ_BATT_ENT_ACT_MODE,

	AXP809_IRQ_BATT_EXIT_ACT_MODE,

	AXP809_IRQ_CHARG,

	AXP809_IRQ_CHARG_DONE,

	AXP809_IRQ_BATT_CHG_TEMP_HIGH,

	AXP809_IRQ_BATT_CHG_TEMP_HIGH_END,

	AXP809_IRQ_BATT_CHG_TEMP_LOW,

	AXP809_IRQ_BATT_CHG_TEMP_LOW_END,

	AXP809_IRQ_BATT_ACT_TEMP_HIGH,

	AXP809_IRQ_BATT_ACT_TEMP_HIGH_END,

	AXP809_IRQ_BATT_ACT_TEMP_LOW,

	AXP809_IRQ_BATT_ACT_TEMP_LOW_END,

	AXP809_IRQ_DIE_TEMP_HIGH,

	AXP809_IRQ_LOW_PWR_LVL1,

	AXP809_IRQ_LOW_PWR_LVL2,

	AXP809_IRQ_TIMER,

	AXP809_IRQ_PEK_RIS_EDGE,

	AXP809_IRQ_PEK_FAL_EDGE,

	AXP809_IRQ_PEK_SHORT,

	AXP809_IRQ_PEK_LONG,

	AXP809_IRQ_PEK_OVER_OFF,

	AXP809_IRQ_GPIO1_INPUT,

	AXP809_IRQ_GPIO0_INPUT,

};



#define AXP288_TS_ADC_H		0x58

#define AXP288_TS_ADC_L		0x59

#define AXP288_GP_ADC_H		0x5a