From c20e6dd9a953d62f14399dabf457dce61dd5611f Mon Sep 17 00:00:00 2001 From: Heiko Stuebner Date: Sat, 4 Jul 2020 00:14:13 +0200 Subject: [PATCH] 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: Heiko Stuebner Link: https://lore.kernel.org/r/20200703221413.269800-1-heiko@sntech.de --- arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts index 35bd6b9..e21372b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts +++ b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts @@ -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 = ; + }; + + axis@1 { + reg = <1>; + abs-flat = <10>; + abs-fuzz = <10>; + abs-range = <278 815>; + linux,code = ; + }; + }; + backlight: backlight { compatible = "pwm-backlight"; power-supply = <&vcc_bl>; -- 2.7.4