1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * FriendlyElec NanoPi M4B board device tree source 4 * 5 * Copyright (c) 2020 Chen-Yu Tsai <wens@csie.org> 6 */ 7 8/dts-v1/; 9#include "rk3399-nanopi-m4.dts" 10 11/ { 12 model = "FriendlyElec NanoPi M4B"; 13 compatible = "friendlyarm,nanopi-m4b", "rockchip,rk3399"; 14 15 adc-keys { 16 compatible = "adc-keys"; 17 io-channels = <&saradc 1>; 18 io-channel-names = "buttons"; 19 keyup-threshold-microvolt = <1500000>; 20 poll-interval = <100>; 21 22 button-recovery { 23 label = "Recovery"; 24 linux,code = <KEY_VENDOR>; 25 press-threshold-microvolt = <18000>; 26 }; 27 }; 28}; 29 30/* No USB type-C PD power manager */ 31/delete-node/ &fusb0; 32 33&i2c4 { 34 status = "disabled"; 35}; 36 37&u2phy0_host { 38 phy-supply = <&vcc5v0_usb2>; 39}; 40 41&u2phy0_otg { 42 phy-supply = <&vbus_typec>; 43}; 44 45&u2phy1_otg { 46 phy-supply = <&vcc5v0_usb1>; 47}; 48 49&vbus_typec { 50 enable-active-high; 51 gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>; 52}; 53