Commit c20e6dd9 authored by Heiko Stuebner's avatar Heiko Stuebner Committed by Heiko Stuebner
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arm64: dts: rockchip: add adc joystick to Odroid Go Advance 



Add the now usable adc-joystick node that describes the analog
joystick connected to two saradc channels from the rk3326 soc.

Signed-off-by: default avatarHeiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20200703221413.269800-1-heiko@sntech.de
parent 62dbf80f

arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts

+24 −0
Original line number Diff line number Diff line
@@ -18,6 +18,30 @@ 
		stdout-path = "serial2:115200n8";

	};



	adc-joystick {

		compatible = "adc-joystick";

		io-channels = <&saradc 1>,

			      <&saradc 2>;

		#address-cells = <1>;

		#size-cells = <0>;



		axis@0 {

			reg = <0>;

			abs-flat = <10>;

			abs-fuzz = <10>;

			abs-range = <172 772>;

			linux,code = <ABS_X>;

		};



		axis@1 {

			reg = <1>;

			abs-flat = <10>;

			abs-fuzz = <10>;

			abs-range = <278 815>;

			linux,code = <ABS_Y>;

		};

	};



	backlight: backlight {

		compatible = "pwm-backlight";

		power-supply = <&vcc_bl>;