On 2024/8/3 06:56, Jonas Karlman wrote:
Add a request() ops that call pinctrl_gpio_request() when the required
gpio-ranges prop has been defined to signal pinctrl driver to use gpio
pinmux.
Signed-off-by: Jonas Karlman <jo...@kwiboo.se>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>
Thanks,
- Kever
---
v2: New patch from "rockchip: Add gpio request() ops" series
---
drivers/gpio/rk_gpio.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpio/rk_gpio.c b/drivers/gpio/rk_gpio.c
index 5972f7f8612d..65811dbc78d6 100644
--- a/drivers/gpio/rk_gpio.c
+++ b/drivers/gpio/rk_gpio.c
@@ -126,6 +126,15 @@ static int rockchip_gpio_get_function(struct udevice *dev,
unsigned offset)
return (data & mask) ? GPIOF_OUTPUT : GPIOF_INPUT;
}
+static int rockchip_gpio_request(struct udevice *dev, unsigned offset,
+ const char *label)
+{
+ if (CONFIG_IS_ENABLED(PINCTRL) && dev_read_bool(dev, "gpio-ranges"))
+ return pinctrl_gpio_request(dev, offset, label);
+
+ return 0;
+}
+
/* Simple SPL interface to GPIOs */
#ifdef CONFIG_SPL_BUILD
@@ -229,6 +238,7 @@ static int rockchip_gpio_probe(struct udevice *dev)
}
static const struct dm_gpio_ops gpio_rockchip_ops = {
+ .request = rockchip_gpio_request,
.direction_input = rockchip_gpio_direction_input,
.direction_output = rockchip_gpio_direction_output,
.get_value = rockchip_gpio_get_value,
