Commit 553ed4b5 authored by Bruno Prémont's avatar Bruno Prémont Committed by Lee Jones
Browse files

mfd: axp20x: Add missing registers, and mark more registers volatile 



Add an extra set of registers which is necessary tu support the PMICs
battery charger function, and mark registers which contain status bits,
gpio status, and adc readings as volatile.

Signed-off-by: default avatarBruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Acked-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 3762aede

drivers/mfd/axp20x.c

+7 −1
Original line number Diff line number Diff line
@@ -61,10 +61,16 @@ static const struct regmap_access_table axp152_volatile_table = { 
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),

	regmap_reg_range(AXP20X_RDC_H, AXP20X_OCV(AXP20X_OCV_MAX)),

};



static const struct regmap_range axp20x_volatile_ranges[] = {

	regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_USB_OTG_STATUS),

	regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),

	regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),

	regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),

	regmap_reg_range(AXP20X_GPIO20_SS, AXP20X_GPIO3_CTRL),

	regmap_reg_range(AXP20X_FG_RES, AXP20X_RDC_L),

};



static const struct regmap_access_table axp20x_writeable_table = {
@@ -195,7 +201,7 @@ static const struct regmap_config axp20x_regmap_config = { 
	.val_bits	= 8,

	.wr_table	= &axp20x_writeable_table,

	.volatile_table	= &axp20x_volatile_table,

	.max_register	= AXP20X_FG_RES,

	.max_register	= AXP20X_OCV(AXP20X_OCV_MAX),

	.cache_type	= REGCACHE_RBTREE,

};

include/linux/mfd/axp20x.h

+6 −0
Original line number Diff line number Diff line
@@ -190,6 +190,12 @@ enum { 
#define AXP20X_CC_CTRL			0xb8

#define AXP20X_FG_RES			0xb9



/* OCV */

#define AXP20X_RDC_H			0xba

#define AXP20X_RDC_L			0xbb

#define AXP20X_OCV(m)			(0xc0 + (m))

#define AXP20X_OCV_MAX			0xf



/* AXP22X specific registers */

#define AXP22X_BATLOW_THRES1		0xe6

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