rockchip

rk3326/rp-adc-key.dtsi

@@ -0,0 +1,40 @@
+
+/ {
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 2>;
+		io-channel-names = "buttons";
+		poll-interval = <100>;
+		keyup-threshold-microvolt = <1800000>;
+
+		esc-key {
+			linux,code = <KEY_ESC>;
+			label = "esc";
+			press-threshold-microvolt = <1310000>;
+		};
+
+		home-key {
+			linux,code = <KEY_HOME>;
+			label = "home";
+			press-threshold-microvolt = <624000>;
+		};
+
+		menu-key {
+			linux,code = <KEY_MENU>;
+			label = "menu";
+			press-threshold-microvolt = <987000>;
+		};
+
+		vol-down-key {
+			linux,code = <KEY_VOLUMEDOWN>;
+			label = "volume down";
+			press-threshold-microvolt = <300000>;
+		};
+
+		vol-up-key {
+			linux,code = <KEY_VOLUMEUP>;
+			label = "volume up";
+			press-threshold-microvolt = <17000>;
+		};
+	};
+};