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pinctrl: rockchip: Add gpio_request_enable() ops

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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 <jonas@kwiboo.se>
This commit is contained in:
Jonas Karlman
2024-08-02 22:56:47 +00:00
committed by Ondrej Jirman
parent 9e060e95f3
commit 75fd5d0117
1 changed files with 13 additions and 0 deletions
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13
drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
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@@ -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 */