Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ef93f751 authored by Jacob Chen's avatar Jacob Chen Committed by Heiko Stuebner
Browse files

ARM: dts: rockchip: enable adc key for rk3288-evb 



rk3288-evb have many tablet-used adc buttons.

Signed-off-by: default avatarJacob Chen <jacob-chen@iotwrt.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 849f0553

arch/arm/boot/dts/rk3288-evb.dtsi

+37 −0
Original line number Diff line number Diff line
@@ -48,6 +48,43 @@ 
		reg = <0x0 0x80000000>;

	};



	adc-keys {

		compatible = "adc-keys";

		io-channels = <&saradc 1>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1800000>;



		button-up {

			label = "Volume Up";

			linux,code = <KEY_VOLUMEUP>;

			press-threshold-microvolt = <100000>;

		};



		button-down {

			label = "Volume Down";

			linux,code = <KEY_VOLUMEDOWN>;

			press-threshold-microvolt = <300000>;

		};



		menu {

			label = "Menu";

			linux,code = <KEY_MENU>;

			press-threshold-microvolt = <640000>;

		};



		esc {

			label = "Esc";

			linux,code = <KEY_ESC>;

			press-threshold-microvolt = <1000000>;

		};



		home  {

			label = "Home";

			linux,code = <KEY_HOME>;

			press-threshold-microvolt = <1300000>;

		};

	};



	backlight: backlight {

		compatible = "pwm-backlight";

		brightness-levels = <