1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * FriendlyElec NanoPC-T4 board device tree source
4 *
5 * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
6 * (http://www.friendlyarm.com)
7 *
8 * Copyright (c) 2018 Collabora Ltd.
9 */
10
11 /dts-v1/;
12 #include "rk3399-nanopi4.dtsi"
13
14 / {
15 model = "FriendlyElec NanoPC-T4";
16 compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
17
18 vcc12v0_sys: vcc12v0-sys {
19 compatible = "regulator-fixed";
20 regulator-always-on;
21 regulator-boot-on;
22 regulator-max-microvolt = <12000000>;
23 regulator-min-microvolt = <12000000>;
24 regulator-name = "vcc12v0_sys";
25 };
26
27 vcc5v0_host0: vcc5v0-host0 {
28 compatible = "regulator-fixed";
29 regulator-always-on;
30 regulator-boot-on;
31 regulator-name = "vcc5v0_host0";
32 vin-supply = <&vcc5v0_sys>;
33 };
34
35 adc-keys {
36 compatible = "adc-keys";
37 io-channels = <&saradc 1>;
38 io-channel-names = "buttons";
39 keyup-threshold-microvolt = <1800000>;
40 poll-interval = <100>;
41
42 button-recovery {
43 label = "Recovery";
44 linux,code = <KEY_VENDOR>;
45 press-threshold-microvolt = <18000>;
46 };
47 };
48
49 ir-receiver {
50 compatible = "gpio-ir-receiver";
51 gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
52 pinctrl-names = "default";
53 pinctrl-0 = <&ir_rx>;
54 };
55
56 fan: pwm-fan {
57 compatible = "pwm-fan";
58 /*
59 * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
60 * work out to 0, ~1200, ~3000, and 5000RPM respectively.
61 */
62 cooling-levels = <0 12 18 255>;
63 #cooling-cells = <2>;
64 fan-supply = <&vcc12v0_sys>;
65 pwms = <&pwm1 0 50000 0>;
66 };
67 };
68
69 &cpu_thermal {
70 trips {
71 cpu_warm: cpu_warm {
72 temperature = <55000>;
73 hysteresis = <2000>;
74 type = "active";
75 };
76
77 cpu_hot: cpu_hot {
78 temperature = <65000>;
79 hysteresis = <2000>;
80 type = "active";
81 };
82 };
83
84 cooling-maps {
85 map2 {
86 trip = <&cpu_warm>;
87 cooling-device = <&fan THERMAL_NO_LIMIT 1>;
88 };
89
90 map3 {
91 trip = <&cpu_hot>;
92 cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
93 };
94 };
95 };
96
97 &pcie0 {
98 ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
99 num-lanes = <4>;
100 vpcie3v3-supply = <&vcc3v3_sys>;
101 };
102
103 &pinctrl {
104 ir {
105 ir_rx: ir-rx {
106 /* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
107 rockchip,pins = <0 RK_PA6 1 &pcfg_pull_none>;
108 };
109 };
110 };
111
112 &sdhci {
113 mmc-hs400-1_8v;
114 mmc-hs400-enhanced-strobe;
115 };
116
117 &u2phy0_host {
118 phy-supply = <&vcc5v0_host0>;
119 };
120
121 &u2phy1_host {
122 phy-supply = <&vcc5v0_host0>;
123 };
124
125 &vcc5v0_sys {
126 vin-supply = <&vcc12v0_sys>;
127 };
128
129 &vcc3v3_sys {
130 vin-supply = <&vcc12v0_sys>;
131 };
132
133 &vbus_typec {
134 enable-active-high;
135 gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
136 vin-supply = <&vcc5v0_sys>;
137 };
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