ARM: dts: rockchip: add power key for Rock2 Square

Support the power button on Radxa Rock2 Square.

Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk3288-rock2-square.dts b/arch/arm/boot/dts/rk3288-rock2-square.dts
index 0e084b8..6adeb33 100644 (file)
--- a/arch/arm/boot/dts/rk3288-rock2-square.dts
+++ b/arch/arm/boot/dts/rk3288-rock2-square.dts
@@ -39,6 +39,7 @@
  */
 
 /dts-v1/;
+#include <dt-bindings/input/input.h>
 #include "rk3288-rock2-som.dtsi"
 
 / {
@@ -49,6 +50,19 @@
                stdout-path = "serial2:115200n8";
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+
+               power {
+                       gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
+                       label = "GPIO Power";
+                       linux,code = <KEY_POWER>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pwr_key>;
+                       wakeup-source;
+               };
+       };
+
        gpio-leds {
                compatible = "gpio-leds";
 
@@ -220,6 +234,12 @@
                };
        };
 
+       keys {
+               pwr_key: pwr-key {
+                       rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
+
        pmic {
                pmic_int: pmic-int {
                        rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_up>;