/* * SPDX-License-Identifier: GPL-2.0+ * * (C) Copyright 2020 Rockchip Electronics Co., Ltd */ /dts-v1/; #include "rk3568.dtsi" #include "rk3568-u-boot.dtsi" #include / { model = "Rockchip RK3568 Evaluation Board"; compatible = "rockchip,rk3568-evb", "rockchip,rk3568"; adc-keys { compatible = "adc-keys"; io-channels = <&saradc 0>; io-channel-names = "buttons"; keyup-threshold-microvolt = <1800000>; u-boot,dm-spl; status = "okay"; volumeup-key { u-boot,dm-spl; linux,code = ; label = "volume up"; press-threshold-microvolt = <9>; }; }; }; &uart2 { status = "okay"; };