[PATCH v3 2/2] mfd: axp20x: Add axp152 support
Lee Jones
lee.jones at linaro.org
Mon Jul 13 00:24:59 PDT 2015
On Sat, 11 Jul 2015, Hans de Goede wrote:
> From: Michal Suchanek <hramrach at gmail.com>
>
> The axp152 is a stripped down version of the axp202 pmic with the battery
> charging function removed as it is intended for top-set boxes.
>
> Signed-off-by: Michal Suchanek <hramrach at gmail.com>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> Acked-by: Lee Jones <lee.jones at linaro.org>
> ---
> Changes in v2:
> -Seperated out the devicetree binding documentation into a separate patch
> -Use DEFINE_RES_IRQ_NAMED to define the irq resources
> Changes in v3:
> -s/ax20x/axp20x/ in the commit msg
> -Added Michal Suchanek's S-o-b (with his permission)
> ---
> drivers/mfd/axp20x.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++
> include/linux/mfd/axp20x.h | 61 +++++++++++++++++++++++++++++++++-
> 2 files changed, 143 insertions(+), 1 deletion(-)
Applied, thanks.
> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> index ca4a604..9027fc3 100644
> --- a/drivers/mfd/axp20x.c
> +++ b/drivers/mfd/axp20x.c
> @@ -30,12 +30,34 @@
> #define AXP20X_OFF 0x80
>
> static const char * const axp20x_model_names[] = {
> + "AXP152",
> "AXP202",
> "AXP209",
> "AXP221",
> "AXP288",
> };
>
> +static const struct regmap_range axp152_writeable_ranges[] = {
> + regmap_reg_range(AXP152_LDO3456_DC1234_CTRL, AXP152_IRQ3_STATE),
> + regmap_reg_range(AXP152_DCDC_MODE, AXP152_PWM1_DUTY_CYCLE),
> +};
> +
> +static const struct regmap_range axp152_volatile_ranges[] = {
> + regmap_reg_range(AXP152_PWR_OP_MODE, AXP152_PWR_OP_MODE),
> + regmap_reg_range(AXP152_IRQ1_EN, AXP152_IRQ3_STATE),
> + regmap_reg_range(AXP152_GPIO_INPUT, AXP152_GPIO_INPUT),
> +};
> +
> +static const struct regmap_access_table axp152_writeable_table = {
> + .yes_ranges = axp152_writeable_ranges,
> + .n_yes_ranges = ARRAY_SIZE(axp152_writeable_ranges),
> +};
> +
> +static const struct regmap_access_table axp152_volatile_table = {
> + .yes_ranges = axp152_volatile_ranges,
> + .n_yes_ranges = ARRAY_SIZE(axp152_volatile_ranges),
> +};
> +
> 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),
> @@ -99,6 +121,11 @@ static const struct regmap_access_table axp288_volatile_table = {
> .n_yes_ranges = ARRAY_SIZE(axp288_volatile_ranges),
> };
>
> +static struct resource axp152_pek_resources[] = {
> + DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
> + DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
> +};
> +
> static struct resource axp20x_pek_resources[] = {
> {
> .name = "PEK_DBR",
> @@ -167,6 +194,15 @@ static struct resource axp288_fuel_gauge_resources[] = {
> },
> };
>
> +static const struct regmap_config axp152_regmap_config = {
> + .reg_bits = 8,
> + .val_bits = 8,
> + .wr_table = &axp152_writeable_table,
> + .volatile_table = &axp152_volatile_table,
> + .max_register = AXP152_PWM1_DUTY_CYCLE,
> + .cache_type = REGCACHE_RBTREE,
> +};
> +
> static const struct regmap_config axp20x_regmap_config = {
> .reg_bits = 8,
> .val_bits = 8,
> @@ -197,6 +233,26 @@ static const struct regmap_config axp288_regmap_config = {
> #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask) \
> [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
>
> +static const struct regmap_irq axp152_regmap_irqs[] = {
> + INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT, 0, 6),
> + INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL, 0, 5),
> + INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT, 0, 3),
> + INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL, 0, 2),
> + INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW, 1, 5),
> + INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW, 1, 4),
> + INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW, 1, 3),
> + INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW, 1, 2),
> + INIT_REGMAP_IRQ(AXP152, PEK_SHORT, 1, 1),
> + INIT_REGMAP_IRQ(AXP152, PEK_LONG, 1, 0),
> + INIT_REGMAP_IRQ(AXP152, TIMER, 2, 7),
> + INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE, 2, 6),
> + INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE, 2, 5),
> + INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT, 2, 3),
> + INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT, 2, 2),
> + INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT, 2, 1),
> + INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT, 2, 0),
> +};
> +
> static const struct regmap_irq axp20x_regmap_irqs[] = {
> INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V, 0, 7),
> INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN, 0, 6),
> @@ -306,6 +362,7 @@ static const struct regmap_irq axp288_regmap_irqs[] = {
> };
>
> static const struct of_device_id axp20x_of_match[] = {
> + { .compatible = "x-powers,axp152", .data = (void *) AXP152_ID },
> { .compatible = "x-powers,axp202", .data = (void *) AXP202_ID },
> { .compatible = "x-powers,axp209", .data = (void *) AXP209_ID },
> { .compatible = "x-powers,axp221", .data = (void *) AXP221_ID },
> @@ -330,6 +387,18 @@ static const struct acpi_device_id axp20x_acpi_match[] = {
> };
> MODULE_DEVICE_TABLE(acpi, axp20x_acpi_match);
>
> +static const struct regmap_irq_chip axp152_regmap_irq_chip = {
> + .name = "axp152_irq_chip",
> + .status_base = AXP152_IRQ1_STATE,
> + .ack_base = AXP152_IRQ1_STATE,
> + .mask_base = AXP152_IRQ1_EN,
> + .mask_invert = true,
> + .init_ack_masked = true,
> + .irqs = axp152_regmap_irqs,
> + .num_irqs = ARRAY_SIZE(axp152_regmap_irqs),
> + .num_regs = 3,
> +};
> +
> static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
> .name = "axp20x_irq_chip",
> .status_base = AXP20X_IRQ1_STATE,
> @@ -393,6 +462,14 @@ static struct mfd_cell axp22x_cells[] = {
> },
> };
>
> +static struct mfd_cell axp152_cells[] = {
> + {
> + .name = "axp20x-pek",
> + .num_resources = ARRAY_SIZE(axp152_pek_resources),
> + .resources = axp152_pek_resources,
> + },
> +};
> +
> static struct resource axp288_adc_resources[] = {
> {
> .name = "GPADC",
> @@ -531,6 +608,12 @@ static int axp20x_match_device(struct axp20x_dev *axp20x, struct device *dev)
> }
>
> switch (axp20x->variant) {
> + case AXP152_ID:
> + axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
> + axp20x->cells = axp152_cells;
> + axp20x->regmap_cfg = &axp152_regmap_config;
> + axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
> + break;
> case AXP202_ID:
> case AXP209_ID:
> axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
> diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
> index 650bd964..b24c771 100644
> --- a/include/linux/mfd/axp20x.h
> +++ b/include/linux/mfd/axp20x.h
> @@ -14,7 +14,8 @@
> #include <linux/regmap.h>
>
> enum {
> - AXP202_ID = 0,
> + AXP152_ID = 0,
> + AXP202_ID,
> AXP209_ID,
> AXP221_ID,
> AXP288_ID,
> @@ -24,6 +25,24 @@ enum {
> #define AXP20X_DATACACHE(m) (0x04 + (m))
>
> /* Power supply */
> +#define AXP152_PWR_OP_MODE 0x01
> +#define AXP152_LDO3456_DC1234_CTRL 0x12
> +#define AXP152_ALDO_OP_MODE 0x13
> +#define AXP152_LDO0_CTRL 0x15
> +#define AXP152_DCDC2_V_OUT 0x23
> +#define AXP152_DCDC2_V_SCAL 0x25
> +#define AXP152_DCDC1_V_OUT 0x26
> +#define AXP152_DCDC3_V_OUT 0x27
> +#define AXP152_ALDO12_V_OUT 0x28
> +#define AXP152_DLDO1_V_OUT 0x29
> +#define AXP152_DLDO2_V_OUT 0x2a
> +#define AXP152_DCDC4_V_OUT 0x2b
> +#define AXP152_V_OFF 0x31
> +#define AXP152_OFF_CTRL 0x32
> +#define AXP152_PEK_KEY 0x36
> +#define AXP152_DCDC_FREQ 0x37
> +#define AXP152_DCDC_MODE 0x80
> +
> #define AXP20X_PWR_INPUT_STATUS 0x00
> #define AXP20X_PWR_OP_MODE 0x01
> #define AXP20X_USB_OTG_STATUS 0x02
> @@ -71,6 +90,13 @@ enum {
> #define AXP22X_CHRG_CTRL3 0x35
>
> /* Interrupt */
> +#define AXP152_IRQ1_EN 0x40
> +#define AXP152_IRQ2_EN 0x41
> +#define AXP152_IRQ3_EN 0x42
> +#define AXP152_IRQ1_STATE 0x48
> +#define AXP152_IRQ2_STATE 0x49
> +#define AXP152_IRQ3_STATE 0x4a
> +
> #define AXP20X_IRQ1_EN 0x40
> #define AXP20X_IRQ2_EN 0x41
> #define AXP20X_IRQ3_EN 0x42
> @@ -129,6 +155,19 @@ enum {
> #define AXP22X_PWREN_CTRL2 0x8d
>
> /* GPIO */
> +#define AXP152_GPIO0_CTRL 0x90
> +#define AXP152_GPIO1_CTRL 0x91
> +#define AXP152_GPIO2_CTRL 0x92
> +#define AXP152_GPIO3_CTRL 0x93
> +#define AXP152_LDOGPIO2_V_OUT 0x96
> +#define AXP152_GPIO_INPUT 0x97
> +#define AXP152_PWM0_FREQ_X 0x98
> +#define AXP152_PWM0_FREQ_Y 0x99
> +#define AXP152_PWM0_DUTY_CYCLE 0x9a
> +#define AXP152_PWM1_FREQ_X 0x9b
> +#define AXP152_PWM1_FREQ_Y 0x9c
> +#define AXP152_PWM1_DUTY_CYCLE 0x9d
> +
> #define AXP20X_GPIO0_CTRL 0x90
> #define AXP20X_LDO5_V_OUT 0x91
> #define AXP20X_GPIO1_CTRL 0x92
> @@ -226,6 +265,26 @@ enum {
>
> /* IRQs */
> enum {
> + AXP152_IRQ_LDO0IN_CONNECT = 1,
> + AXP152_IRQ_LDO0IN_REMOVAL,
> + AXP152_IRQ_ALDO0IN_CONNECT,
> + AXP152_IRQ_ALDO0IN_REMOVAL,
> + AXP152_IRQ_DCDC1_V_LOW,
> + AXP152_IRQ_DCDC2_V_LOW,
> + AXP152_IRQ_DCDC3_V_LOW,
> + AXP152_IRQ_DCDC4_V_LOW,
> + AXP152_IRQ_PEK_SHORT,
> + AXP152_IRQ_PEK_LONG,
> + AXP152_IRQ_TIMER,
> + AXP152_IRQ_PEK_RIS_EDGE,
> + AXP152_IRQ_PEK_FAL_EDGE,
> + AXP152_IRQ_GPIO3_INPUT,
> + AXP152_IRQ_GPIO2_INPUT,
> + AXP152_IRQ_GPIO1_INPUT,
> + AXP152_IRQ_GPIO0_INPUT,
> +};
> +
> +enum {
> AXP20X_IRQ_ACIN_OVER_V = 1,
> AXP20X_IRQ_ACIN_PLUGIN,
> AXP20X_IRQ_ACIN_REMOVAL,
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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