1 /*
2 * Copyright 2013 Maxime Ripard
3 *
4 * Maxime Ripard <maxime.ripard@free-electrons.com>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 * a) This file is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 * b) Permission is hereby granted, free of charge, to any person
24 * obtaining a copy of this software and associated documentation
25 * files (the "Software"), to deal in the Software without
26 * restriction, including without limitation the rights to use,
27 * copy, modify, merge, publish, distribute, sublicense, and/or
28 * sell copies of the Software, and to permit persons to whom the
29 * Software is furnished to do so, subject to the following
30 * conditions:
31 *
32 * The above copyright notice and this permission notice shall be
33 * included in all copies or substantial portions of the Software.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 * OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45 /dts-v1/;
46 #include "sun7i-a20.dtsi"
47 #include "sunxi-common-regulators.dtsi"
48
49 #include <dt-bindings/gpio/gpio.h>
50 #include <dt-bindings/input/input.h>
51 #include <dt-bindings/interrupt-controller/irq.h>
52
53 / {
54 model = "Olimex A20-Olinuxino Micro";
55 compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
56
57 aliases {
58 serial0 = &uart0;
59 serial1 = &uart6;
60 serial2 = &uart7;
61 spi0 = &spi1;
62 spi1 = &spi2;
63 };
64
65 chosen {
66 stdout-path = "serial0:115200n8";
67 };
68
69 hdmi-connector {
70 compatible = "hdmi-connector";
71 type = "a";
72
73 port {
74 hdmi_con_in: endpoint {
75 remote-endpoint = <&hdmi_out_con>;
76 };
77 };
78 };
79
80 leds {
81 compatible = "gpio-leds";
82 pinctrl-names = "default";
83 pinctrl-0 = <&led_pins_olinuxino>;
84
85 led {
86 label = "a20-olinuxino-micro:green:usr";
87 gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
88 default-state = "on";
89 };
90 };
91 };
92
93 &ahci {
94 target-supply = <®_ahci_5v>;
95 status = "okay";
96 };
97
98 &codec {
99 status = "okay";
100 };
101
102 &cpu0 {
103 cpu-supply = <®_dcdc2>;
104 };
105
106 &de {
107 status = "okay";
108 };
109
110 &ehci0 {
111 status = "okay";
112 };
113
114 &ehci1 {
115 status = "okay";
116 };
117
118 &gmac {
119 pinctrl-names = "default";
120 pinctrl-0 = <&gmac_mii_pins>, <&gmac_txerr>;
121 phy-handle = <&phy1>;
122 phy-mode = "mii";
123 status = "okay";
124 };
125
126 &hdmi {
127 status = "okay";
128 };
129
130 &hdmi_out {
131 hdmi_out_con: endpoint {
132 remote-endpoint = <&hdmi_con_in>;
133 };
134 };
135
136 &i2c0 {
137 status = "okay";
138
139 axp209: pmic@34 {
140 reg = <0x34>;
141 interrupt-parent = <&nmi_intc>;
142 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
143 };
144 };
145
146 &i2c1 {
147 status = "okay";
148
149 eeprom: eeprom@50 {
150 compatible = "atmel,24c16";
151 reg = <0x50>;
152 pagesize = <16>;
153 };
154 };
155
156 &i2c2 {
157 status = "okay";
158 };
159
160 &lradc {
161 vref-supply = <®_vcc3v0>;
162 status = "okay";
163
164 button-191 {
165 label = "Volume Up";
166 linux,code = <KEY_VOLUMEUP>;
167 channel = <0>;
168 voltage = <191274>;
169 };
170
171 button-392 {
172 label = "Volume Down";
173 linux,code = <KEY_VOLUMEDOWN>;
174 channel = <0>;
175 voltage = <392644>;
176 };
177
178 button-601 {
179 label = "Menu";
180 linux,code = <KEY_MENU>;
181 channel = <0>;
182 voltage = <601151>;
183 };
184
185 button-795 {
186 label = "Search";
187 linux,code = <KEY_SEARCH>;
188 channel = <0>;
189 voltage = <795090>;
190 };
191
192 button-987 {
193 label = "Home";
194 linux,code = <KEY_HOMEPAGE>;
195 channel = <0>;
196 voltage = <987387>;
197 };
198
199 button-1184 {
200 label = "Esc";
201 linux,code = <KEY_ESC>;
202 channel = <0>;
203 voltage = <1184678>;
204 };
205
206 button-1398 {
207 label = "Enter";
208 linux,code = <KEY_ENTER>;
209 channel = <0>;
210 voltage = <1398804>;
211 };
212 };
213
214 &gmac_mdio {
215 phy1: ethernet-phy@1 {
216 reg = <1>;
217 };
218 };
219
220 &mmc0 {
221 vmmc-supply = <®_vcc3v3>;
222 bus-width = <4>;
223 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
224 status = "okay";
225 };
226
227 &mmc3 {
228 vmmc-supply = <®_vcc3v3>;
229 bus-width = <4>;
230 cd-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>; /* PH11 */
231 status = "okay";
232 };
233
234 &ohci0 {
235 status = "okay";
236 };
237
238 &ohci1 {
239 status = "okay";
240 };
241
242 &otg_sram {
243 status = "okay";
244 };
245
246 &pio {
247 gmac_txerr: gmac-txerr-pin {
248 pins = "PA17";
249 function = "gmac";
250 };
251
252 led_pins_olinuxino: led-pins {
253 pins = "PH2";
254 function = "gpio_out";
255 drive-strength = <20>;
256 };
257 };
258
259 #include "axp209.dtsi"
260
261 &ac_power_supply {
262 status = "okay";
263 };
264
265 &battery_power_supply {
266 status = "okay";
267 };
268
269 ®_dcdc2 {
270 regulator-always-on;
271 regulator-min-microvolt = <1000000>;
272 regulator-max-microvolt = <1400000>;
273 regulator-name = "vdd-cpu";
274 };
275
276 ®_dcdc3 {
277 regulator-always-on;
278 regulator-min-microvolt = <1000000>;
279 regulator-max-microvolt = <1400000>;
280 regulator-name = "vdd-int-dll";
281 };
282
283 ®_ldo2 {
284 regulator-always-on;
285 regulator-min-microvolt = <3000000>;
286 regulator-max-microvolt = <3000000>;
287 regulator-name = "avcc";
288 };
289
290 ®_ahci_5v {
291 status = "okay";
292 };
293
294 ®_usb0_vbus {
295 status = "okay";
296 };
297
298 ®_usb1_vbus {
299 status = "okay";
300 };
301
302 ®_usb2_vbus {
303 status = "okay";
304 };
305
306 &spi1 {
307 pinctrl-names = "default";
308 pinctrl-0 = <&spi1_pi_pins>,
309 <&spi1_cs0_pi_pin>;
310 status = "okay";
311 };
312
313 &spi2 {
314 pinctrl-names = "default";
315 pinctrl-0 = <&spi2_pc_pins>,
316 <&spi2_cs0_pc_pin>;
317 status = "okay";
318 };
319
320 &uart0 {
321 pinctrl-names = "default";
322 pinctrl-0 = <&uart0_pb_pins>;
323 status = "okay";
324 };
325
326 &uart6 {
327 pinctrl-names = "default";
328 pinctrl-0 = <&uart6_pi_pins>;
329 status = "okay";
330 };
331
332 &uart7 {
333 pinctrl-names = "default";
334 pinctrl-0 = <&uart7_pi_pins>;
335 status = "okay";
336 };
337
338 &usb_otg {
339 dr_mode = "otg";
340 status = "okay";
341 };
342
343 &usb_power_supply {
344 status = "okay";
345 };
346
347 &usbphy {
348 usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
349 usb0_vbus_det-gpios = <&pio 7 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PH5 */
350 usb0_vbus-supply = <®_usb0_vbus>;
351 usb1_vbus-supply = <®_usb1_vbus>;
352 usb2_vbus-supply = <®_usb2_vbus>;
353 status = "okay";
354 };
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