1 /*
2 * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
3 *
4 * Based on sun8i-h3-orangepi-one.dts, which is:
5 * Copyright (C) 2016 Hans de Goede <hdegoede@redhat.com>
6 *
7 * This file is dual-licensed: you can use it either under the terms
8 * of the GPL or the X11 license, at your option. Note that this dual
9 * licensing only applies to this file, and not this project as a
10 * whole.
11 *
12 * a) This file is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
16 *
17 * This file is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * Or, alternatively,
23 *
24 * b) Permission is hereby granted, free of charge, to any person
25 * obtaining a copy of this software and associated documentation
26 * files (the "Software"), to deal in the Software without
27 * restriction, including without limitation the rights to use,
28 * copy, modify, merge, publish, distribute, sublicense, and/or
29 * sell copies of the Software, and to permit persons to whom the
30 * Software is furnished to do so, subject to the following
31 * conditions:
32 *
33 * The above copyright notice and this permission notice shall be
34 * included in all copies or substantial portions of the Software.
35 *
36 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
37 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
38 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
39 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
40 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
41 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
42 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
43 * OTHER DEALINGS IN THE SOFTWARE.
44 */
45
46 /dts-v1/;
47 #include "sun8i-h3.dtsi"
48 #include "sunxi-common-regulators.dtsi"
49
50 #include <dt-bindings/gpio/gpio.h>
51 #include <dt-bindings/input/input.h>
52
53 / {
54 model = "Xunlong Orange Pi Zero";
55 compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
56
57 aliases {
58 serial0 = &uart0;
59 /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
60 ethernet0 = &emac;
61 ethernet1 = &xr819;
62 };
63
64 chosen {
65 stdout-path = "serial0:115200n8";
66 };
67
68 leds {
69 compatible = "gpio-leds";
70
71 pwr_led {
72 label = "orangepi:green:pwr";
73 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
74 default-state = "on";
75 };
76
77 status_led {
78 label = "orangepi:red:status";
79 gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
80 };
81 };
82
83 reg_vcc_wifi: reg-vcc-wifi {
84 compatible = "regulator-fixed";
85 regulator-min-microvolt = <3300000>;
86 regulator-max-microvolt = <3300000>;
87 regulator-name = "vcc-wifi";
88 enable-active-high;
89 gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
90 };
91
92 reg_vdd_cpux: vdd-cpux-regulator {
93 compatible = "regulator-gpio";
94 regulator-name = "vdd-cpux";
95 regulator-type = "voltage";
96 regulator-boot-on;
97 regulator-always-on;
98 regulator-min-microvolt = <1100000>;
99 regulator-max-microvolt = <1300000>;
100 regulator-ramp-delay = <50>; /* 4ms */
101
102 gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
103 enable-active-high;
104 gpios-states = <1>;
105 states = <1100000 0>, <1300000 1>;
106 };
107
108 wifi_pwrseq: pwrseq {
109 compatible = "mmc-pwrseq-simple";
110 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
111 post-power-on-delay-ms = <200>;
112 };
113 };
114
115 &cpu0 {
116 cpu-supply = <®_vdd_cpux>;
117 };
118
119 &ehci0 {
120 status = "okay";
121 };
122
123 &ehci1 {
124 status = "okay";
125 };
126
127 &emac {
128 phy-handle = <&int_mii_phy>;
129 phy-mode = "mii";
130 allwinner,leds-active-low;
131 status = "okay";
132 };
133
134 &mmc0 {
135 vmmc-supply = <®_vcc3v3>;
136 bus-width = <4>;
137 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
138 status = "okay";
139 };
140
141 &mmc1 {
142 vmmc-supply = <®_vcc_wifi>;
143 mmc-pwrseq = <&wifi_pwrseq>;
144 bus-width = <4>;
145 non-removable;
146 status = "okay";
147
148 /*
149 * Explicitly define the sdio device, so that we can add an ethernet
150 * alias for it (which e.g. makes u-boot set a mac-address).
151 */
152 xr819: wifi@1 {
153 reg = <1>;
154 };
155 };
156
157 &ohci0 {
158 status = "okay";
159 };
160
161 &ohci1 {
162 status = "okay";
163 };
164
165 &spi0 {
166 /* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
167 status = "disabled";
168
169 flash@0 {
170 #address-cells = <1>;
171 #size-cells = <1>;
172 compatible = "mxicy,mx25l1606e", "jedec,spi-nor";
173 reg = <0>;
174 spi-max-frequency = <40000000>;
175 };
176 };
177
178 &uart0 {
179 pinctrl-names = "default";
180 pinctrl-0 = <&uart0_pa_pins>;
181 status = "okay";
182 };
183
184 &uart1 {
185 pinctrl-names = "default";
186 pinctrl-0 = <&uart1_pins>;
187 status = "disabled";
188 };
189
190 &uart2 {
191 pinctrl-names = "default";
192 pinctrl-0 = <&uart2_pins>;
193 status = "disabled";
194 };
195
196 &usb_otg {
197 dr_mode = "peripheral";
198 status = "okay";
199 };
200
201 &usbphy {
202 /*
203 * USB Type-A port VBUS is always on. However, MicroUSB VBUS can only
204 * power up the board; when it's used as OTG port, this VBUS is
205 * always off even if the board is powered via GPIO pins.
206 */
207 status = "okay";
208 usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
209 };
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