[PATCH v2 11/30] arm64: dts: rockchip: Add user button to Radxa E20C

[Kever Yang]

On 2025/4/8 06:46, Jonas Karlman wrote:
> Radxa E20C has two buttons, one SARADC maskrom button and one GPIO user
> button.
>
> Add support for the user button using a gpio-keys node.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
> Link: https://lore.kernel.org/r/20250304201642.831218-3-jonas@kwiboo.se
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
>
> [ upstream commit: ad8afc8813567994164f2720189c819da8c22b99 ]
>
> (cherry picked from commit 6793b56b79df26ab3323e5293b97577d0786ddb3)
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   .../src/arm64/rockchip/rk3528-radxa-e20c.dts  | 20 +++++++++++++++++++
>   1 file changed, 20 insertions(+)
>
> diff --git a/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts b/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
> index 7f0237206405..b378774d2a4e 100644
> --- a/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
> +++ b/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
> @@ -7,6 +7,7 @@
>   
>   /dts-v1/;
>   
> +#include <dt-bindings/input/input.h>
>   #include <dt-bindings/leds/common.h>
>   #include "rk3528.dtsi"
>   
> @@ -18,6 +19,19 @@
>   		stdout-path = "serial0:1500000n8";
>   	};
>   
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&user_key>;
> +
> +		button-user {
> +			gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
> +			label = "USER";
> +			linux,code = <BTN_1>;
> +			wakeup-source;
> +		};
> +	};
> +
>   	leds {
>   		compatible = "gpio-leds";
>   		pinctrl-names = "default";
> @@ -50,6 +64,12 @@
>   };
>   
>   &pinctrl {
> +	gpio-keys {
> +		user_key: user-key {
> +			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
> +		};
> +	};
> +
>   	leds {
>   		lan_led_g: lan-led-g {
>   			rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;