pinctrl: axp209: Support the AXP221/AXP223/AXP809 variant

These PMICs each have 2 GPIOs with the same register layout as AXP813,
but without an ADC function. They all fall back to the AXP221 compatible
string, so only that one needs to be listed in the driver.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20220621034224.38995-4-samuel@sholland.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-axp209.c b/drivers/pinctrl/pinctrl-axp209.c
index 207cbae3a7bf9f44cb3f75ac34d33d38d05fcae9..7ab20ac15391e842015b4414aba913edbf777197 100644 (file)
--- a/drivers/pinctrl/pinctrl-axp209.c
+++ b/drivers/pinctrl/pinctrl-axp209.c
@@ -73,7 +73,7 @@ static const struct pinctrl_pin_desc axp209_pins[] = {
        PINCTRL_PIN(2, "GPIO2"),
 };
 
-static const struct pinctrl_pin_desc axp813_pins[] = {
+static const struct pinctrl_pin_desc axp22x_pins[] = {
        PINCTRL_PIN(0, "GPIO0"),
        PINCTRL_PIN(1, "GPIO1"),
 };
@@ -87,9 +87,16 @@ static const struct axp20x_pctrl_desc axp20x_data = {
        .adc_mux = AXP20X_MUX_ADC,
 };
 
+static const struct axp20x_pctrl_desc axp22x_data = {
+       .pins   = axp22x_pins,
+       .npins  = ARRAY_SIZE(axp22x_pins),
+       .ldo_mask = BIT(0) | BIT(1),
+       .gpio_status_offset = 0,
+};
+
 static const struct axp20x_pctrl_desc axp813_data = {
-       .pins   = axp813_pins,
-       .npins  = ARRAY_SIZE(axp813_pins),
+       .pins   = axp22x_pins,
+       .npins  = ARRAY_SIZE(axp22x_pins),
        .ldo_mask = BIT(0) | BIT(1),
        .adc_mask = BIT(0),
        .gpio_status_offset = 0,
@@ -388,6 +395,7 @@ static int axp20x_build_funcs_groups(struct platform_device *pdev)
 
 static const struct of_device_id axp20x_pctl_match[] = {
        { .compatible = "x-powers,axp209-gpio", .data = &axp20x_data, },
+       { .compatible = "x-powers,axp221-gpio", .data = &axp22x_data, },
        { .compatible = "x-powers,axp813-gpio", .data = &axp813_data, },
        { }
 };