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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
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 pinctrl-names = "default";
127 pinctrl-0 = <&i2c0_pins_a>;
128 status = "okay";
129
130 axp209: pmic@34 {
131 reg = <0x34>;
132
133 /*
134 * The interrupt is routed through the "External Fast
135 * Interrupt Request" pin (ball G13 of the module)
136 * directly to the main interrupt controller, without
137 * any other controller interfering.
138 */
139 interrupts = <0>;
140 };
141};
142
143#include "axp209.dtsi"
144
145&i2c1 {
146 pinctrl-names = "default";
147 pinctrl-0 = <&i2c1_pins_a>;
148 status = "okay";
149
150 wm8978: codec@1a {
151 #sound-dai-cells = <0>;
152 compatible = "wlf,wm8978";
153 reg = <0x1a>;
154 };
155
156 pcf8563: rtc@51 {
157 compatible = "phg,pcf8563";
158 reg = <0x51>;
159 };
160};
161
162&i2c2 {
163 pinctrl-names = "default";
164 pinctrl-0 = <&i2c2_pins_a>;
165 status = "okay";
166};
167
168&i2s0 {
169 pinctrl-names = "default";
170 pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
171 status = "okay";
172};
173
174&ir0 {
175 pinctrl-names = "default";
176 pinctrl-0 = <&ir0_rx_pins_a>;
177 status = "okay";
178};
179
180&lradc {
181 vref-supply = <®_ldo2>;
182 status = "okay";
183
184 button@190 {
185 label = "Volume Up";
186 linux,code = <KEY_VOLUMEUP>;
187 channel = <0>;
188 voltage = <190000>;
189 };
190
191 button@390 {
192 label = "Volume Down";
193 linux,code = <KEY_VOLUMEDOWN>;
194 channel = <0>;
195 voltage = <390000>;
196 };
197
198 button@600 {
199 label = "Menu";
200 linux,code = <KEY_MENU>;
201 channel = <0>;
202 voltage = <600000>;
203 };
204
205 button@800 {
206 label = "Search";
207 linux,code = <KEY_SEARCH>;
208 channel = <0>;
209 voltage = <800000>;
210 };
211
212 button@980 {
213 label = "Home";
214 linux,code = <KEY_HOMEPAGE>;
215 channel = <0>;
216 voltage = <980000>;
217 };
218
219 button@1180 {
220 label = "Esc";
221 linux,code = <KEY_ESC>;
222 channel = <0>;
223 voltage = <1180000>;
224 };
225
226 button@1400 {
227 label = "Enter";
228 linux,code = <KEY_ENTER>;
229 channel = <0>;
230 voltage = <1400000>;
231 };
232};
233
234&mmc0 {
235 pinctrl-names = "default";
236 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gr8_evb>;
237 vmmc-supply = <®_vcc3v3>;
238 bus-width = <4>;
239 cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
240 status = "okay";
241};
242
243&nfc {
244 pinctrl-names = "default";
245 pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
246
247 /* MLC Support sucks for now */
248 status = "disabled";
249};
250
251&ohci0 {
252 status = "okay";
253};
254
255&otg_sram {
256 status = "okay";
257};
258
259&pio {
260 mmc0_cd_pin_gr8_evb: mmc0-cd-pin@0 {
261 pins = "PG0";
262 function = "gpio_in";
263 };
264
265 usb0_id_pin_gr8_evb: usb0-id-pin@0 {
266 pins = "PG2";
267 function = "gpio_in";
268 };
269
270 usb0_vbus_det_pin_gr8_evb: usb0-vbus-det-pin@0 {
271 pins = "PG1";
272 function = "gpio_in";
273 };
274
275 usb1_vbus_pin_gr8_evb: usb1-vbus-pin@0 {
276 pins = "PG13";
277 function = "gpio_out";
278 };
279};
280
281&pwm {
282 pinctrl-names = "default";
283 pinctrl-0 = <&pwm0_pins>;
284 status = "okay";
285};
286
287®_dcdc2 {
288 regulator-min-microvolt = <1000000>;
289 regulator-max-microvolt = <1400000>;
290 regulator-name = "vdd-cpu";
291 regulator-always-on;
292};
293
294®_dcdc3 {
295 regulator-min-microvolt = <1000000>;
296 regulator-max-microvolt = <1300000>;
297 regulator-name = "vdd-sys";
298 regulator-always-on;
299};
300
301®_ldo1 {
302 regulator-name = "vdd-rtc";
303};
304
305®_ldo2 {
306 regulator-min-microvolt = <2700000>;
307 regulator-max-microvolt = <3300000>;
308 regulator-name = "avcc";
309 regulator-always-on;
310};
311
312®_usb1_vbus {
313 pinctrl-0 = <&usb1_vbus_pin_gr8_evb>;
314 gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
315 status = "okay";
316};
317
318&rtp {
319 allwinner,ts-attached;
320};
321
322&spdif {
323 pinctrl-names = "default";
324 pinctrl-0 = <&spdif_tx_pins_a>;
325 status = "okay";
326};
327
328&tve0 {
329 status = "okay";
330};
331
332&uart1 {
333 pinctrl-names = "default";
334 pinctrl-0 = <&uart1_pins_b>, <&uart1_cts_rts_pins_a>;
335 status = "okay";
336};
337
338&usb_otg {
339 /*
340 * The GR8-EVB has a somewhat interesting design. There's a
341 * pin supposed to control VBUS, an ID pin, a VBUS detect pin,
342 * so everything should work just fine.
343 *
344 * Except that the pin supposed to control VBUS is not
345 * connected to any controllable output, neither to the SoC
346 * through a GPIO or to the PMIC, and it is pulled down,
347 * meaning that we will never be able to enable VBUS on this
348 * board.
349 */
350 dr_mode = "otg";
351 status = "okay";
352};
353
354&usb_power_supply {
355 status = "okay";
356};
357
358&usbphy {
359 pinctrl-names = "default";
360 pinctrl-0 = <&usb0_id_pin_gr8_evb>, <&usb0_vbus_det_pin_gr8_evb>;
361 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
362 usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
363 usb0_vbus_power-supply = <&usb_power_supply>;
364 usb1_vbus-supply = <®_usb1_vbus>;
365 status = "okay";
366};