[PATCH v2 2/4] mfd: axp20x: Add missing registers, and mark more registers volatile

[Lee Jones]

On Sat, 13 Jun 2015, Hans de Goede wrote:

> From: Bruno Prémont <bonbons at linux-vserver.org>
> 
> 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.
> 
> Cc: Bruno Prémont <bonbons at linux-vserver.org>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
> Changes in v2:
> -Add a AXP20X_OCV_MAX define
> ---
>  drivers/mfd/axp20x.c       | 8 +++++++-
>  include/linux/mfd/axp20x.h | 6 ++++++
>  2 files changed, 13 insertions(+), 1 deletion(-)

Patch looks good, but you're missing Bruno's SoB.

> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> index 6df9155..f9a3c2d 100644
> --- a/drivers/mfd/axp20x.c
> +++ b/drivers/mfd/axp20x.c
> @@ -39,10 +39,16 @@ static const char * const axp20x_model_names[] = {
>  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(15)),
>  };
>  
>  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 = {
> @@ -159,7 +165,7 @@ 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,
>  };
>  
> diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
> index 5275423..6d8b39a 100644
> --- a/include/linux/mfd/axp20x.h
> +++ b/include/linux/mfd/axp20x.h
> @@ -151,6 +151,12 @@ 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
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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