diff mbox

[v3,04/12] pinctrl: axp209: add programmable gpio_status_offset

Message ID 20171002120854.5212-5-quentin.schulz@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Quentin Schulz Oct. 2, 2017, 12:08 p.m. UTC
To prepare for patches that will add support for a new PMIC that has a
different GPIO input status register, add a gpio_status_offset within
axp20x_pctl structure and use it.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
---
 drivers/pinctrl/pinctrl-axp209.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Maxime Ripard Oct. 2, 2017, 8:38 p.m. UTC | #1
On Mon, Oct 02, 2017 at 12:08:46PM +0000, Quentin Schulz wrote:
> To prepare for patches that will add support for a new PMIC that has a
> different GPIO input status register, add a gpio_status_offset 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>

Thanks!
Maxime
Chen-Yu Tsai Oct. 3, 2017, 9:01 a.m. UTC | #2
On Tue, Oct 3, 2017 at 4:38 AM, Maxime Ripard
<maxime.ripard@free-electrons.com> wrote:
> On Mon, Oct 02, 2017 at 12:08:46PM +0000, Quentin Schulz wrote:
>> To prepare for patches that will add support for a new PMIC that has a
>> different GPIO input status register, add a gpio_status_offset 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>

Acked-by: Chen-Yu Tsai <wens@csie.org>
diff mbox

Patch

diff --git a/drivers/pinctrl/pinctrl-axp209.c b/drivers/pinctrl/pinctrl-axp209.c
index 3ddeba45feed..17146496b22a 100644
--- a/drivers/pinctrl/pinctrl-axp209.c
+++ b/drivers/pinctrl/pinctrl-axp209.c
@@ -45,6 +45,7 @@  struct axp20x_pctrl_desc {
 	unsigned int			ldo_mask;
 	/* Stores the pins supporting ADC function. Bit offset is pin number. */
 	unsigned int			adc_mask;
+	unsigned int			gpio_status_offset;
 };
 
 struct axp20x_pinctrl_function {
@@ -74,6 +75,7 @@  static const struct axp20x_pctrl_desc axp20x_data = {
 	.npins	= ARRAY_SIZE(axp209_pins),
 	.ldo_mask = BIT(0) | BIT(1),
 	.adc_mask = BIT(0) | BIT(1),
+	.gpio_status_offset = 4,
 };
 
 static int axp20x_gpio_get_reg(unsigned offset)
@@ -105,7 +107,7 @@  static int axp20x_gpio_get(struct gpio_chip *chip, unsigned offset)
 	if (ret)
 		return ret;
 
-	return !!(val & BIT(offset + 4));
+	return !!(val & BIT(offset + pctl->desc->gpio_status_offset));
 }
 
 static int axp20x_gpio_get_direction(struct gpio_chip *chip, unsigned offset)