1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (C) 2017 Chen-Yu Tsai <wens@csie.org>
4 */
5
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
8
9 / {
10 aliases {
11 ethernet0 = &emac;
12 serial0 = &uart0;
13 };
14
15 chosen {
16 stdout-path = "serial0:115200n8";
17 };
18
19 connector {
20 compatible = "hdmi-connector";
21 type = "a";
22
23 port {
24 hdmi_con_in: endpoint {
25 remote-endpoint = <&hdmi_out_con>;
26 };
27 };
28 };
29
30 leds {
31 compatible = "gpio-leds";
32
33 pwr_led {
34 label = "librecomputer:green:pwr";
35 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
36 default-state = "on";
37 };
38
39 status_led {
40 label = "librecomputer:blue:status";
41 gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
42 };
43 };
44
45 gpio-keys {
46 compatible = "gpio-keys";
47
48 key-power {
49 label = "power";
50 linux,code = <KEY_POWER>;
51 gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
52 wakeup-source;
53 };
54 };
55
56 reg_vcc1v2: vcc1v2 {
57 compatible = "regulator-fixed";
58 regulator-name = "vcc1v2";
59 regulator-min-microvolt = <1200000>;
60 regulator-max-microvolt = <1200000>;
61 regulator-always-on;
62 regulator-boot-on;
63 vin-supply = <®_vcc5v0>;
64 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
65 enable-active-high;
66 };
67
68 reg_vcc3v3: vcc3v3 {
69 compatible = "regulator-fixed";
70 regulator-name = "vcc3v3";
71 regulator-min-microvolt = <3300000>;
72 regulator-max-microvolt = <3300000>;
73 vin-supply = <®_vcc5v0>;
74 };
75
76 /* This represents the board's 5V input */
77 reg_vcc5v0: vcc5v0 {
78 compatible = "regulator-fixed";
79 regulator-name = "vcc5v0";
80 regulator-min-microvolt = <5000000>;
81 regulator-max-microvolt = <5000000>;
82 };
83
84 reg_vcc_dram: vcc-dram {
85 compatible = "regulator-fixed";
86 regulator-name = "vcc-dram";
87 regulator-min-microvolt = <1500000>;
88 regulator-max-microvolt = <1500000>;
89 regulator-always-on;
90 regulator-boot-on;
91 vin-supply = <®_vcc5v0>;
92 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
93 enable-active-high;
94 };
95
96 reg_vcc_io: vcc-io {
97 compatible = "regulator-fixed";
98 regulator-name = "vcc-io";
99 regulator-min-microvolt = <3300000>;
100 regulator-max-microvolt = <3300000>;
101 regulator-always-on;
102 regulator-boot-on;
103 vin-supply = <®_vcc3v3>;
104 gpio = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */
105 };
106
107 reg_vdd_cpux: vdd-cpux {
108 compatible = "regulator-fixed";
109 regulator-name = "vdd-cpux";
110 regulator-min-microvolt = <1200000>;
111 regulator-max-microvolt = <1200000>;
112 regulator-always-on;
113 regulator-boot-on;
114 vin-supply = <®_vcc5v0>;
115 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
116 enable-active-high;
117 };
118 };
119
120 &codec {
121 allwinner,audio-routing =
122 "Line Out", "LINEOUT",
123 "MIC1", "Mic",
124 "Mic", "MBIAS";
125 status = "okay";
126 };
127
128 &cpu0 {
129 cpu-supply = <®_vdd_cpux>;
130 };
131
132 &cpu1 {
133 cpu-supply = <®_vdd_cpux>;
134 };
135
136 &cpu2 {
137 cpu-supply = <®_vdd_cpux>;
138 };
139
140 &cpu3 {
141 cpu-supply = <®_vdd_cpux>;
142 };
143
144 &de {
145 status = "okay";
146 };
147
148 &ehci0 {
149 status = "okay";
150 };
151
152 &ehci1 {
153 status = "okay";
154 };
155
156 &ehci2 {
157 status = "okay";
158 };
159
160 &ehci3 {
161 status = "okay";
162 };
163
164 &emac {
165 phy-handle = <&int_mii_phy>;
166 phy-mode = "mii";
167 allwinner,leds-active-low;
168 status = "okay";
169 };
170
171 &hdmi {
172 status = "okay";
173 };
174
175 &hdmi_out {
176 hdmi_out_con: endpoint {
177 remote-endpoint = <&hdmi_con_in>;
178 };
179 };
180
181 &ir {
182 pinctrl-names = "default";
183 pinctrl-0 = <&r_ir_rx_pin>;
184 status = "okay";
185 };
186
187 &mmc0 {
188 vmmc-supply = <®_vcc_io>;
189 bus-width = <4>;
190 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
191 status = "okay";
192 };
193
194 &mmc2 {
195 pinctrl-names = "default";
196 pinctrl-0 = <&mmc2_8bit_pins>;
197 vmmc-supply = <®_vcc_io>;
198 bus-width = <8>;
199 non-removable;
200 status = "okay";
201 };
202
203 &ohci0 {
204 status = "okay";
205 };
206
207 &ohci1 {
208 status = "okay";
209 };
210
211 &ohci2 {
212 status = "okay";
213 };
214
215 &ohci3 {
216 status = "okay";
217 };
218
219 &uart0 {
220 pinctrl-names = "default";
221 pinctrl-0 = <&uart0_pa_pins>;
222 status = "okay";
223 };
224
225 &usb_otg {
226 dr_mode = "host";
227 status = "okay";
228 };
229
230 &usbphy {
231 /* VBUS on USB ports are always on */
232 usb0_vbus-supply = <®_vcc5v0>;
233 usb1_vbus-supply = <®_vcc5v0>;
234 usb2_vbus-supply = <®_vcc5v0>;
235 usb3_vbus-supply = <®_vcc5v0>;
236 status = "okay";
237 };
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