1/* 2 * SPDX-License-Identifier: GPL-2.0+ 3 * 4 * (C) Copyright 2022 Rockchip Electronics Co., Ltd 5 */ 6 7/dts-v1/; 8#include "rk3562.dtsi" 9#include "rk3562-u-boot.dtsi" 10#include <dt-bindings/input/input.h> 11 12/ { 13 model = "Rockchip RK3562 Evaluation Board"; 14 compatible = "rockchip,rk3562-evb", "rockchip,rk3562"; 15 16 adc-keys { 17 compatible = "adc-keys"; 18 io-channels = <&saradc0 1>; 19 io-channel-names = "buttons"; 20 keyup-threshold-microvolt = <1800000>; 21 u-boot,dm-pre-reloc; 22 status = "okay"; 23 24 volumeup-key { 25 u-boot,dm-pre-reloc; 26 linux,code = <KEY_VOLUMEUP>; 27 label = "volume up"; 28 press-threshold-microvolt = <9>; 29 }; 30 }; 31}; 32