Re: [PATCH v2 04/11] mfd: axp20x: support AXP803 variant

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On Sat, 08 Apr 2017, Icenowy Zheng wrote:

> AXP803 is a new PMIC chip produced by X-Powers, usually paired with A64
> via RSB bus. The PMIC itself is like AXP288, but with RSB support and
> dedicated VBUS and ACIN.
> 
> Add support for it in the axp20x mfd driver.
> 
> Currently only power key function is supported.
> 
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> ---
> Changes in v2:
> - Share regmap configs with AXP288.
> - Place AXP803 bits before AXP806/809.
> 
>  drivers/mfd/axp20x-rsb.c   |  1 +
>  drivers/mfd/axp20x.c       | 79 ++++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/axp20x.h | 40 ++++++++++++++++++++++-
>  3 files changed, 119 insertions(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/axp20x-rsb.c b/drivers/mfd/axp20x-rsb.c
> index a732cb50bcff..fd5c7267b136 100644
> --- a/drivers/mfd/axp20x-rsb.c
> +++ b/drivers/mfd/axp20x-rsb.c
> @@ -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,axp803", .data = (void *)AXP803_ID },
>  	{ .compatible = "x-powers,axp806", .data = (void *)AXP806_ID },
>  	{ .compatible = "x-powers,axp809", .data = (void *)AXP809_ID },
>  	{ },
> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> index 5ba3b04cc9b1..2268a6a9aa2c 100644
> --- a/drivers/mfd/axp20x.c
> +++ b/drivers/mfd/axp20x.c
> @@ -41,6 +41,7 @@ static const char * const axp20x_model_names[] = {
>  	"AXP221",
>  	"AXP223",
>  	"AXP288",
> +	"AXP803",
>  	"AXP806",
>  	"AXP809",
>  };
> @@ -117,6 +118,7 @@ static const struct regmap_access_table axp22x_volatile_table = {
>  	.n_yes_ranges	= ARRAY_SIZE(axp22x_volatile_ranges),
>  };
>  
> +/* AXP288 ranges are shared with the AXP803, as they cover the same range */
>  static const struct regmap_range axp288_writeable_ranges[] = {
>  	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
>  	regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
> @@ -264,6 +266,20 @@ static struct resource axp288_fuel_gauge_resources[] = {
>  	},
>  };
>  
> +static struct resource axp803_pek_resources[] = {
> +	{
> +		.name   = "PEK_DBR",
> +		.start  = AXP803_IRQ_PEK_RIS_EDGE,
> +		.end    = AXP803_IRQ_PEK_RIS_EDGE,
> +		.flags  = IORESOURCE_IRQ,
> +	}, {
> +		.name   = "PEK_DBF",
> +		.start  = AXP803_IRQ_PEK_FAL_EDGE,
> +		.end    = AXP803_IRQ_PEK_FAL_EDGE,
> +		.flags  = IORESOURCE_IRQ,
> +	},
> +};
> +
>  static struct resource axp809_pek_resources[] = {
>  	{
>  		.name   = "PEK_DBR",
> @@ -457,6 +473,43 @@ static const struct regmap_irq axp288_regmap_irqs[] = {
>  	INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
>  };
>  
> +static const struct regmap_irq axp803_regmap_irqs[] = {
> +	INIT_REGMAP_IRQ(AXP803, ACIN_OVER_V,		0, 7),
> +	INIT_REGMAP_IRQ(AXP803, ACIN_PLUGIN,		0, 6),
> +	INIT_REGMAP_IRQ(AXP803, ACIN_REMOVAL,	        0, 5),
> +	INIT_REGMAP_IRQ(AXP803, VBUS_OVER_V,		0, 4),
> +	INIT_REGMAP_IRQ(AXP803, VBUS_PLUGIN,		0, 3),
> +	INIT_REGMAP_IRQ(AXP803, VBUS_REMOVAL,	        0, 2),
> +	INIT_REGMAP_IRQ(AXP803, BATT_PLUGIN,		1, 7),
> +	INIT_REGMAP_IRQ(AXP803, BATT_REMOVAL,	        1, 6),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ENT_ACT_MODE,	1, 5),
> +	INIT_REGMAP_IRQ(AXP803, BATT_EXIT_ACT_MODE,	1, 4),
> +	INIT_REGMAP_IRQ(AXP803, CHARG,		        1, 3),
> +	INIT_REGMAP_IRQ(AXP803, CHARG_DONE,		1, 2),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH,	2, 7),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH_END,	2, 6),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW,	2, 5),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW_END,	2, 4),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH,	2, 3),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH_END,	2, 2),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW,	2, 1),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW_END,	2, 0),
> +	INIT_REGMAP_IRQ(AXP803, DIE_TEMP_HIGH,	        3, 7),
> +	INIT_REGMAP_IRQ(AXP803, GPADC,		        3, 2),
> +	INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL1,	        3, 1),
> +	INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL2,	        3, 0),
> +	INIT_REGMAP_IRQ(AXP803, TIMER,		        4, 7),
> +	INIT_REGMAP_IRQ(AXP803, PEK_RIS_EDGE,	        4, 6),
> +	INIT_REGMAP_IRQ(AXP803, PEK_FAL_EDGE,	        4, 5),
> +	INIT_REGMAP_IRQ(AXP803, PEK_SHORT,		4, 4),
> +	INIT_REGMAP_IRQ(AXP803, PEK_LONG,		4, 3),
> +	INIT_REGMAP_IRQ(AXP803, PEK_OVER_OFF,		4, 2),
> +	INIT_REGMAP_IRQ(AXP803, GPIO1_INPUT,		4, 1),
> +	INIT_REGMAP_IRQ(AXP803, GPIO0_INPUT,		4, 0),
> +	INIT_REGMAP_IRQ(AXP803, BC_USB_CHNG,            5, 1),
> +	INIT_REGMAP_IRQ(AXP803, MV_CHNG,                5, 0),
> +};
> +
>  static const struct regmap_irq axp806_regmap_irqs[] = {
>  	INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1,	0, 0),
>  	INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2,	0, 1),
> @@ -557,6 +610,18 @@ static const struct regmap_irq_chip axp288_regmap_irq_chip = {
>  
>  };
>  
> +static const struct regmap_irq_chip axp803_regmap_irq_chip = {
> +	.name			= "axp803",
> +	.status_base		= AXP20X_IRQ1_STATE,
> +	.ack_base		= AXP20X_IRQ1_STATE,
> +	.mask_base		= AXP20X_IRQ1_EN,
> +	.mask_invert		= true,
> +	.init_ack_masked	= true,
> +	.irqs			= axp803_regmap_irqs,
> +	.num_irqs		= ARRAY_SIZE(axp803_regmap_irqs),
> +	.num_regs		= 6,
> +};
> +
>  static const struct regmap_irq_chip axp806_regmap_irq_chip = {
>  	.name			= "axp806",
>  	.status_base		= AXP20X_IRQ1_STATE,
> @@ -769,6 +834,14 @@ static struct mfd_cell axp288_cells[] = {
>  	},
>  };
>  
> +static struct mfd_cell axp803_cells[] = {
> +	{
> +		.name			= "axp20x-pek",
> +		.num_resources		= ARRAY_SIZE(axp803_pek_resources),
> +		.resources		= axp803_pek_resources,
> +	}
> +};
> +
>  static struct mfd_cell axp806_cells[] = {
>  	{
>  		.id			= 2,
> @@ -855,6 +928,12 @@ int axp20x_match_device(struct axp20x_dev *axp20x)
>  		axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
>  		axp20x->irq_flags = IRQF_TRIGGER_LOW;
>  		break;
> +	case AXP803_ID:
> +		axp20x->nr_cells = ARRAY_SIZE(axp803_cells);
> +		axp20x->cells = axp803_cells;
> +		axp20x->regmap_cfg = &axp288_regmap_config;
> +		axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
> +		break;
>  	case AXP806_ID:
>  		axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
>  		axp20x->cells = axp806_cells;
> diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
> index dc8798cf2a24..cde56cfe8446 100644
> --- a/include/linux/mfd/axp20x.h
> +++ b/include/linux/mfd/axp20x.h
> @@ -20,6 +20,7 @@ enum axp20x_variants {
>  	AXP221_ID,
>  	AXP223_ID,
>  	AXP288_ID,
> +	AXP803_ID,
>  	AXP806_ID,
>  	AXP809_ID,
>  	NR_AXP20X_VARIANTS,
> @@ -234,7 +235,7 @@ enum axp20x_variants {
>  #define AXP22X_TS_ADC_L			0x59
>  #define AXP22X_BATLOW_THRES1		0xe6
>  
> -/* AXP288 specific registers */
> +/* AXP288/AXP803 specific registers */
>  #define AXP288_POWER_REASON		0x02
>  #define AXP288_BC_GLOBAL		0x2c
>  #define AXP288_BC_VBUS_CNTL		0x2d
> @@ -475,6 +476,43 @@ enum axp288_irqs {
>  	AXP288_IRQ_BC_USB_CHNG,
>  };
>  
> +enum axp803_irqs {
> +	AXP803_IRQ_ACIN_OVER_V = 1,
> +	AXP803_IRQ_ACIN_PLUGIN,
> +	AXP803_IRQ_ACIN_REMOVAL,
> +	AXP803_IRQ_VBUS_OVER_V,
> +	AXP803_IRQ_VBUS_PLUGIN,
> +	AXP803_IRQ_VBUS_REMOVAL,
> +	AXP803_IRQ_BATT_PLUGIN,
> +	AXP803_IRQ_BATT_REMOVAL,
> +	AXP803_IRQ_BATT_ENT_ACT_MODE,
> +	AXP803_IRQ_BATT_EXIT_ACT_MODE,
> +	AXP803_IRQ_CHARG,
> +	AXP803_IRQ_CHARG_DONE,
> +	AXP803_IRQ_BATT_CHG_TEMP_HIGH,
> +	AXP803_IRQ_BATT_CHG_TEMP_HIGH_END,
> +	AXP803_IRQ_BATT_CHG_TEMP_LOW,
> +	AXP803_IRQ_BATT_CHG_TEMP_LOW_END,
> +	AXP803_IRQ_BATT_ACT_TEMP_HIGH,
> +	AXP803_IRQ_BATT_ACT_TEMP_HIGH_END,
> +	AXP803_IRQ_BATT_ACT_TEMP_LOW,
> +	AXP803_IRQ_BATT_ACT_TEMP_LOW_END,
> +	AXP803_IRQ_DIE_TEMP_HIGH,
> +	AXP803_IRQ_GPADC,
> +	AXP803_IRQ_LOW_PWR_LVL1,
> +	AXP803_IRQ_LOW_PWR_LVL2,
> +	AXP803_IRQ_TIMER,
> +	AXP803_IRQ_PEK_RIS_EDGE,
> +	AXP803_IRQ_PEK_FAL_EDGE,
> +	AXP803_IRQ_PEK_SHORT,
> +	AXP803_IRQ_PEK_LONG,
> +	AXP803_IRQ_PEK_OVER_OFF,
> +	AXP803_IRQ_GPIO1_INPUT,
> +	AXP803_IRQ_GPIO0_INPUT,
> +	AXP803_IRQ_BC_USB_CHNG,
> +	AXP803_IRQ_MV_CHNG,
> +};
> +
>  enum axp806_irqs {
>  	AXP806_IRQ_DIE_TEMP_HIGH_LV1,
>  	AXP806_IRQ_DIE_TEMP_HIGH_LV2,

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