1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * FriendlyElec NanoPi M4B board device tree source
5 * Copyright (c) 2020 Chen-Yu Tsai <wens@csie.org>
9 #include "rk3399-nanopi-m4.dts"
12 model = "FriendlyElec NanoPi M4B";
13 compatible = "friendlyarm,nanopi-m4b", "rockchip,rk3399";
16 compatible = "adc-keys";
17 io-channels = <&saradc 1>;
18 io-channel-names = "buttons";
19 keyup-threshold-microvolt = <1500000>;
20 poll-interval = <100>;
24 linux,code = <KEY_VENDOR>;
25 press-threshold-microvolt = <18000>;
30 /* No USB type-C PD power manager */
38 phy-supply = <&vcc5v0_usb2>;
42 phy-supply = <&vbus_typec>;
46 phy-supply = <&vcc5v0_usb1>;
51 gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;