On 2024/8/3 06:56, Jonas Karlman wrote:
Implement gpio_request_enable() ops so that the gpio request() ops can
be implemented and a gpio requested pin automatically is pinmuxed for
gpio use, similar to Linux kernel.
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/pinctrl/rockchip/pinctrl-rockchip-core.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
index 345e0abdf5d1..e164af0d8f61 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
+++ b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
@@ -358,6 +358,18 @@ static int rockchip_set_mux(struct rockchip_pin_bank
*bank, int pin, int mux)
return 0;
}
+static int rockchip_pinctrl_gpio_request_enable(struct udevice *dev,
+ unsigned int selector)
+{
+ struct rockchip_pin_bank *bank;
+
+ bank = rockchip_pin_to_bank(dev, selector);
+ if (!bank)
+ return -EINVAL;
+
+ return rockchip_set_mux(bank, selector - bank->pin_base, RK_FUNC_GPIO);
+}
+
static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = {
{ 2, 4, 8, 12, -1, -1, -1, -1 },
{ 3, 6, 9, 12, -1, -1, -1, -1 },
@@ -608,6 +620,7 @@ const struct pinctrl_ops rockchip_pinctrl_ops = {
.set_state = rockchip_pinctrl_set_state,
.get_gpio_mux = rockchip_pinctrl_get_gpio_mux,
.get_pin_muxing = rockchip_pinctrl_get_pin_muxing,
+ .gpio_request_enable = rockchip_pinctrl_gpio_request_enable,
};
/* retrieve the soc specific data */