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pinctrl: axp209: add programmable ADC muxing value

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To prepare for patches that will add support for a new PMIC that has a
different GPIO adc muxing value, add an adc_mux within axp20x_pctl
structure and use it.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Quentin Schulz
2017-12-05 15:46:45 +01:00
committed by Linus Walleij
parent 48e706fbc5
commit a0a4b4c242
1 changed files with 3 additions and 1 deletions
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4
drivers/pinctrl/pinctrl-axp209.c
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@ -49,6 +49,7 @@ struct axp20x_pctrl_desc {
/* Stores the pins supporting ADC function. Bit offset is pin number. */ /* Stores the pins supporting ADC function. Bit offset is pin number. */
u8 adc_mask; u8 adc_mask;
u8 gpio_status_offset; u8 gpio_status_offset;
u8 adc_mux;
}; };
struct axp20x_pinctrl_function { struct axp20x_pinctrl_function {
@ -79,6 +80,7 @@ static const struct axp20x_pctrl_desc axp20x_data = {
.ldo_mask = BIT(0) | BIT(1), .ldo_mask = BIT(0) | BIT(1),
.adc_mask = BIT(0) | BIT(1), .adc_mask = BIT(0) | BIT(1),
.gpio_status_offset = 4, .gpio_status_offset = 4,
.adc_mux = AXP20X_MUX_ADC,
}; };
static int axp20x_gpio_get_reg(unsigned int offset) static int axp20x_gpio_get_reg(unsigned int offset)
@ -334,7 +336,7 @@ static void axp20x_build_funcs_groups(struct platform_device *pdev)
* See comment in axp20x_pmx_set_mux. * See comment in axp20x_pmx_set_mux.
*/ */
pctl->funcs[AXP20X_FUNC_ADC].name = "adc"; pctl->funcs[AXP20X_FUNC_ADC].name = "adc";
pctl->funcs[AXP20X_FUNC_ADC].muxval = AXP20X_MUX_ADC; pctl->funcs[AXP20X_FUNC_ADC].muxval = pctl->desc->adc_mux;
/* Every pin supports GPIO_OUT and GPIO_IN functions */ /* Every pin supports GPIO_OUT and GPIO_IN functions */
for (i = 0; i <= AXP20X_FUNC_GPIO_IN; i++) { for (i = 0; i <= AXP20X_FUNC_GPIO_IN; i++) {