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arm64: dts: rockchip: add adc joystick to Odroid Go Advance

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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
This commit is contained in:
Heiko Stuebner 2020-07-04 00:14:13 +02:00 committed by Heiko Stuebner
parent 62dbf80fc5
commit c20e6dd9a9
1 changed files with 24 additions and 0 deletions
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24
arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts
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@ -18,6 +18,30 @@ chosen {
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>;