arm64: dts: rockchip: add power button support for Firefly-RK3399

This commit adds power button support for the Firefly-RK3399.

Signed-off-by: Shohei Maruyama <cheat.sc.linux@outlook.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
index e378ddb..7ba7d0e 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
@@ -4,6 +4,7 @@
  */
 
 /dts-v1/;
+#include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/pwm/pwm.h>
 #include "rk3399.dtsi"
 #include "rk3399-opp.dtsi"
@@ -72,6 +73,21 @@
                regulator-max-microvolt = <12000000>;
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+               autorepeat;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pwrbtn>;
+
+               power {
+                       debounce-interval = <100>;
+                       gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
+                       label = "GPIO Key Power";
+                       linux,code = <KEY_POWER>;
+                       wakeup-source;
+               };
+       };
+
        rt5640-sound {
                compatible = "simple-audio-card";
                simple-audio-card,name = "rockchip,rt5640-codec";