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 <jo...@kwiboo.se> Link: https://lore.kernel.org/r/20250304201642.831218-3-jo...@kwiboo.se Signed-off-by: Heiko Stuebner <he...@sntech.de> [ upstream commit: ad8afc8813567994164f2720189c819da8c22b99 ] (cherry picked from commit 6793b56b79df26ab3323e5293b97577d0786ddb3) Signed-off-by: Jonas Karlman <jo...@kwiboo.se> --- .../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>; -- 2.49.0
