system-heap {
};
};
+
+ rk_key: rockchip-key {
+ compatible = "rockchip,key";
+ status = "okay";
+
+ io-channels = <&saradc 1>;
+
+ vol-up-key {
+ linux,code = <115>;
+ label = "volume up";
+ rockchip,adc_value = <1>;
+ };
+
+ vol-down-key {
+ linux,code = <114>;
+ label = "volume down";
+ rockchip,adc_value = <170>;
+ };
+
+ power-key {
+ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+ linux,code = <116>;
+ label = "power";
+ gpio-key,wakeup;
+ };
+
+ menu-key {
+ linux,code = <59>;
+ label = "menu";
+ rockchip,adc_value = <746>;
+ };
+
+ home-key {
+ linux,code = <102>;
+ label = "home";
+ rockchip,adc_value = <355>;
+ };
+
+ back-key {
+ linux,code = <158>;
+ label = "back";
+ rockchip,adc_value = <560>;
+ };
+
+ camera-key {
+ linux,code = <212>;
+ label = "camera";
+ rockchip,adc_value = <450>;
+ };
+ };
+};
+
+&saradc {
+ status = "okay";
};