xref: /linux/arch/arm/boot/dts/allwinner/sun5i-gr8-evb.dts (revision 6fd44a30d0297c22406276ffb717f373170943ee) 
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 = <&reg_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 = <&reg_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 = <&reg_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&reg_dcdc2 {
258	regulator-min-microvolt = <1000000>;
259	regulator-max-microvolt = <1400000>;
260	regulator-name = "vdd-cpu";
261	regulator-always-on;
262};
263
264&reg_dcdc3 {
265	regulator-min-microvolt = <1000000>;
266	regulator-max-microvolt = <1300000>;
267	regulator-name = "vdd-sys";
268	regulator-always-on;
269};
270
271&reg_ldo1 {
272	regulator-name = "vdd-rtc";
273};
274
275&reg_ldo2 {
276	regulator-min-microvolt = <2700000>;
277	regulator-max-microvolt = <3300000>;
278	regulator-name = "avcc";
279	regulator-always-on;
280};
281
282&reg_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 = <&reg_usb1_vbus>;
332	status = "okay";
333};
334