Re: [PATCH v3 05/12] mfd: axp20x: support AXP803 variant

From: Lee Jones
Date: Mon Apr 24 2017 - 08:09:17 EST

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On Mon, 17 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>
> ---
> This patch is said to be applied by Lee Jones, however, I didn't see it
> in the linux-next, so I included it in the patchset now.
>
> 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 e6f55079876e..1dc6235778eb 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,
> @@ -778,6 +843,14 @@ 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,
> @@ -864,6 +937,12 @@ 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 â Open source software for ARM SoCs
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