Commit afa933c2 authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: add ADC buttons to rk3588-evb1 



The Rockchip EVB1 has a couple of buttons connected via an ADC
line. Let's add them to its devicetree.

Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20231005134357.37171-1-sebastian.reichel@collabora.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent dd6dc0c4

arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts

+38 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
/dts-v1/;



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>

#include <dt-bindings/pinctrl/rockchip.h>

#include "rk3588.dtsi"
@@ -23,6 +24,38 @@ chosen { 
		stdout-path = "serial2:1500000n8";

	};



	adc-keys {

		compatible = "adc-keys";

		io-channels = <&saradc 1>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1800000>;

		poll-interval = <100>;



		button-vol-up {

			label = "Volume Up";

			linux,code = <KEY_VOLUMEUP>;

			press-threshold-microvolt = <17000>;

		};



		button-vol-down {

			label = "Volume Down";

			linux,code = <KEY_VOLUMEDOWN>;

			press-threshold-microvolt = <417000>;

		};



		button-menu {

			label = "Menu";

			linux,code = <KEY_MENU>;

			press-threshold-microvolt = <890000>;

		};



		button-escape {

			label = "Escape";

			linux,code = <KEY_ESC>;

			press-threshold-microvolt = <1235000>;

		};

	};



	backlight: backlight {

		compatible = "pwm-backlight";

		power-supply = <&vcc12v_dcin>;
@@ -286,6 +319,11 @@ &pwm2 { 
	status = "okay";

};



&saradc {

	vref-supply = <&vcc_1v8_s0>;

	status = "okay";

};



&sdhci {

	bus-width = <8>;

	no-sdio;