1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Hardkernel's Exynos4412 based ODROID-U3 board device tree source
4 *
5 * Copyright (c) 2014 Marek Szyprowski <m.szyprowski@samsung.com>
6 *
7 * Device tree source file for Hardkernel's ODROID-U3 board which is based
8 * on Samsung's Exynos4412 SoC.
9 */
10
11 /dts-v1/;
12 #include <dt-bindings/leds/common.h>
13 #include "exynos4412-odroid-common.dtsi"
14 #include "exynos4412-prime.dtsi"
15
16 / {
17 model = "Hardkernel ODROID-U3 board based on Exynos4412";
18 compatible = "hardkernel,odroid-u3", "samsung,exynos4412", "samsung,exynos4";
19
20 aliases {
21 ethernet = ðernet;
22 };
23
24 memory@40000000 {
25 device_type = "memory";
26 reg = <0x40000000 0x7ff00000>;
27 };
28
29 vbus_otg_reg: regulator-1 {
30 compatible = "regulator-fixed";
31 regulator-name = "VBUS_VDD_5.0V";
32 regulator-min-microvolt = <5000000>;
33 regulator-max-microvolt = <5000000>;
34 gpio = <&gpl2 0 GPIO_ACTIVE_HIGH>;
35 enable-active-high;
36 };
37
38 leds {
39 compatible = "gpio-leds";
40 led1 {
41 function = LED_FUNCTION_HEARTBEAT;
42 color = <LED_COLOR_ID_BLUE>;
43 gpios = <&gpc1 0 GPIO_ACTIVE_LOW>;
44 default-state = "on";
45 linux,default-trigger = "heartbeat";
46 };
47 };
48
49 fan0: pwm-fan {
50 compatible = "pwm-fan";
51 pwms = <&pwm 0 10000 0>;
52 #cooling-cells = <2>;
53 cooling-levels = <0 102 170 230>;
54 };
55 };
56
57 &adc {
58 vdd-supply = <&ldo10_reg>;
59 /* Nothing connected to ADC inputs, keep it disabled */
60 };
61
62 /* Supply for LAN9730/SMSC95xx */
63 &buck8_reg {
64 regulator-name = "BUCK8_P3V3";
65 regulator-min-microvolt = <3300000>;
66 regulator-max-microvolt = <3300000>;
67 };
68
69 &cpu_thermal {
70 cooling-maps {
71 map0 {
72 trip = <&cpu_alert1>;
73 cooling-device = <&cpu0 9 9>, <&cpu1 9 9>,
74 <&cpu2 9 9>, <&cpu3 9 9>,
75 <&fan0 1 2>;
76 };
77 map1 {
78 trip = <&cpu_alert2>;
79 cooling-device = <&cpu0 15 15>, <&cpu1 15 15>,
80 <&cpu2 15 15>, <&cpu3 15 15>,
81 <&fan0 2 3>;
82 };
83 map2 {
84 trip = <&cpu_alert0>;
85 cooling-device = <&fan0 0 1>;
86 };
87 };
88 };
89
90 &hdmicec {
91 needs-hpd;
92 };
93
94 /* VDDQ for MSHC (eMMC card) */
95 &ldo22_reg {
96 regulator-name = "LDO22_VDDQ_MMC4_2.8V";
97 regulator-min-microvolt = <2800000>;
98 regulator-max-microvolt = <2800000>;
99 };
100
101 &mshc_0 {
102 vqmmc-supply = <&ldo22_reg>;
103 };
104
105 &pwm {
106 pinctrl-0 = <&pwm0_out>;
107 pinctrl-names = "default";
108 samsung,pwm-outputs = <0>;
109 status = "okay";
110 };
111
112 &usb3503 {
113 clock-names = "refclk";
114 clocks = <&pmu_system_controller 0>;
115 refclk-frequency = <24000000>;
116 };
117
118 &ehci {
119 #address-cells = <1>;
120 #size-cells = <0>;
121 phys = <&exynos_usbphy 2>, <&exynos_usbphy 3>;
122 phy-names = "hsic0", "hsic1";
123
124 ethernet: ethernet@2 {
125 compatible = "usb424,9730";
126 reg = <2>;
127 local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
128 };
129 };
130
131 &hsotg {
132 dr_mode = "otg";
133 vbus-supply = <&vbus_otg_reg>;
134 };
135
136 &sound {
137 model = "Odroid-U3";
138 samsung,audio-widgets =
139 "Headphone", "Headphone Jack",
140 "Speakers", "Speakers";
141 audio-routing = "Headphone Jack", "HPL",
142 "Headphone Jack", "HPR",
143 "Headphone Jack", "MICBIAS",
144 "IN1", "Headphone Jack",
145 "Speakers", "SPKL",
146 "Speakers", "SPKR";
147 };
148
149 &spi_1 {
150 pinctrl-names = "default";
151 pinctrl-0 = <&spi1_bus>;
152 cs-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
153 status = "okay";
154 };
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