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 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 };
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