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| author | Heiko Stuebner <heiko.stuebner@theobroma-systems.com> | 2020-07-04 00:14:13 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2020-11-08 01:29:21 +0100 |
| commit | c20e6dd9a953d62f14399dabf457dce61dd5611f (patch) | |
| tree | 01a3a9d38c043c50b6cdb760db932bc4cfecd935 | |
| parent | 62dbf80fc581a8eed7288ed7aca24446054eb616 (diff) | |
| download | linux-c20e6dd9a953d62f14399dabf457dce61dd5611f.tar.bz2 | |
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 <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20200703221413.269800-1-heiko@sntech.de
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts index 35bd6b904b9c..e21372b8e904 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 = <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>; |