1 /*
2 * Copyright 2016 Free Electrons
3 * Copyright 2016 NextThing Co
4 *
5 * Mylène Josserand <mylene.josserand@free-electrons.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 "sun5i-gr8.dtsi"
48 #include "sunxi-common-regulators.dtsi"
49
50 #include <dt-bindings/gpio/gpio.h>
51 #include <dt-bindings/input/input.h>
52 #include <dt-bindings/interrupt-controller/irq.h>
53
54 / {
55 model = "NextThing GR8-EVB";
56 compatible = "nextthing,gr8-evb", "nextthing,gr8";
57
58 aliases {
59 i2c0 = &i2c0;
60 i2c1 = &i2c1;
61 i2c2 = &i2c2;
62 serial0 = &uart1;
63 serial1 = &uart2;
64 };
65
66 chosen {
67 stdout-path = "serial0:115200n8";
68 };
69
70 backlight: backlight {
71 compatible = "pwm-backlight";
72 pwms = <&pwm 0 10000 0>;
73 enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
74 power-supply = <®_vcc3v3>;
75 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
76 default-brightness-level = <8>;
77 };
78
79 sound-analog {
80 compatible = "simple-audio-card";
81 simple-audio-card,name = "gr8-evb-wm8978";
82 simple-audio-card,format = "i2s";
83 simple-audio-card,mclk-fs = <512>;
84
85 simple-audio-card,cpu {
86 sound-dai = <&i2s0>;
87 };
88
89 simple-audio-card,codec {
90 sound-dai = <&wm8978>;
91 };
92 };
93
94 sound-spdif {
95 compatible = "simple-audio-card";
96 simple-audio-card,name = "On-board SPDIF";
97
98 simple-audio-card,cpu {
99 sound-dai = <&spdif>;
100 };
101
102 simple-audio-card,codec {
103 sound-dai = <&spdif_out>;
104 };
105 };
106
107 spdif_out: spdif-out {
108 #sound-dai-cells = <0>;
109 compatible = "linux,spdif-dit";
110 };
111 };
112
113 &be0 {
114 status = "okay";
115 };
116
117 &codec {
118 status = "okay";
119 };
120
121 &ehci0 {
122 status = "okay";
123 };
124
125 &i2c0 {
126 status = "okay";
127
128 axp209: pmic@34 {
129 reg = <0x34>;
130
131 /*
132 * The interrupt is routed through the "External Fast
133 * Interrupt Request" pin (ball G13 of the module)
134 * directly to the main interrupt controller, without
135 * any other controller interfering.
136 */
137 interrupts = <0>;
138 };
139 };
140
141 #include "axp209.dtsi"
142
143 &i2c1 {
144 status = "okay";
145
146 wm8978: codec@1a {
147 #sound-dai-cells = <0>;
148 compatible = "wlf,wm8978";
149 reg = <0x1a>;
150 };
151
152 pcf8563: rtc@51 {
153 compatible = "nxp,pcf8563";
154 reg = <0x51>;
155 };
156 };
157
158 &i2c2 {
159 status = "okay";
160 };
161
162 &i2s0 {
163 pinctrl-names = "default";
164 pinctrl-0 = <&i2s0_mclk_pin>, <&i2s0_data_pins>;
165 status = "okay";
166 };
167
168 &ir0 {
169 pinctrl-names = "default";
170 pinctrl-0 = <&ir0_rx_pin>;
171 status = "okay";
172 };
173
174 &lradc {
175 vref-supply = <®_ldo2>;
176 status = "okay";
177
178 button-190 {
179 label = "Volume Up";
180 linux,code = <KEY_VOLUMEUP>;
181 channel = <0>;
182 voltage = <190000>;
183 };
184
185 button-390 {
186 label = "Volume Down";
187 linux,code = <KEY_VOLUMEDOWN>;
188 channel = <0>;
189 voltage = <390000>;
190 };
191
192 button-600 {
193 label = "Menu";
194 linux,code = <KEY_MENU>;
195 channel = <0>;
196 voltage = <600000>;
197 };
198
199 button-800 {
200 label = "Search";
201 linux,code = <KEY_SEARCH>;
202 channel = <0>;
203 voltage = <800000>;
204 };
205
206 button-980 {
207 label = "Home";
208 linux,code = <KEY_HOMEPAGE>;
209 channel = <0>;
210 voltage = <980000>;
211 };
212
213 button-1180 {
214 label = "Esc";
215 linux,code = <KEY_ESC>;
216 channel = <0>;
217 voltage = <1180000>;
218 };
219
220 button-1400 {
221 label = "Enter";
222 linux,code = <KEY_ENTER>;
223 channel = <0>;
224 voltage = <1400000>;
225 };
226 };
227
228 &mmc0 {
229 vmmc-supply = <®_vcc3v3>;
230 bus-width = <4>;
231 cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
232 status = "okay";
233 };
234
235 &nfc {
236 pinctrl-names = "default";
237 pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>;
238
239 /* MLC Support sucks for now */
240 status = "disabled";
241 };
242
243 &ohci0 {
244 status = "okay";
245 };
246
247 &otg_sram {
248 status = "okay";
249 };
250
251 &pwm {
252 pinctrl-names = "default";
253 pinctrl-0 = <&pwm0_pin>;
254 status = "okay";
255 };
256
257 ®_dcdc2 {
258 regulator-min-microvolt = <1000000>;
259 regulator-max-microvolt = <1400000>;
260 regulator-name = "vdd-cpu";
261 regulator-always-on;
262 };
263
264 ®_dcdc3 {
265 regulator-min-microvolt = <1000000>;
266 regulator-max-microvolt = <1300000>;
267 regulator-name = "vdd-sys";
268 regulator-always-on;
269 };
270
271 ®_ldo1 {
272 regulator-name = "vdd-rtc";
273 };
274
275 ®_ldo2 {
276 regulator-min-microvolt = <2700000>;
277 regulator-max-microvolt = <3300000>;
278 regulator-name = "avcc";
279 regulator-always-on;
280 };
281
282 ®_usb1_vbus {
283 gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
284 status = "okay";
285 };
286
287 &rtp {
288 allwinner,ts-attached;
289 };
290
291 &spdif {
292 pinctrl-names = "default";
293 pinctrl-0 = <&spdif_tx_pin>;
294 status = "okay";
295 };
296
297 &tve0 {
298 status = "okay";
299 };
300
301 &uart1 {
302 pinctrl-names = "default";
303 pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pins>;
304 status = "okay";
305 };
306
307 &usb_otg {
308 /*
309 * The GR8-EVB has a somewhat interesting design. There's a
310 * pin supposed to control VBUS, an ID pin, a VBUS detect pin,
311 * so everything should work just fine.
312 *
313 * Except that the pin supposed to control VBUS is not
314 * connected to any controllable output, neither to the SoC
315 * through a GPIO or to the PMIC, and it is pulled down,
316 * meaning that we will never be able to enable VBUS on this
317 * board.
318 */
319 dr_mode = "otg";
320 status = "okay";
321 };
322
323 &usb_power_supply {
324 status = "okay";
325 };
326
327 &usbphy {
328 usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
329 usb0_vbus_det-gpios = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
330 usb0_vbus_power-supply = <&usb_power_supply>;
331 usb1_vbus-supply = <®_usb1_vbus>;
332 status = "okay";
333 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.