/* * SPDX-License-Identifier: GPL-2.0+ * * (C) Copyright 2023 Rockchip Electronics Co., Ltd */ /dts-v1/; #include "rk3506.dtsi" #include "rk3506-u-boot.dtsi" #include / { model = "Rockchip RK3506 EVB Board"; compatible = "rockchip,rk3506-evb", "rockchip,rk3506"; adc-keys { compatible = "adc-keys"; io-channels = <&saradc 1>; 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 = <1750>; }; }; };