1 /*
2 * Copyright 2015 - Marcus Cooper <codekipper@gmail.com>
3 * Copyright 2015 - Karsten Merker <merker@debian.org>
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 * a) This file is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or (at your option) any later version.
14 *
15 * This file is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 * b) Permission is hereby granted, free of charge, to any person
23 * obtaining a copy of this software and associated documentation
24 * files (the "Software"), to deal in the Software without
25 * restriction, including without limitation the rights to use,
26 * copy, modify, merge, publish, distribute, sublicense, and/or
27 * sell copies of the Software, and to permit persons to whom the
28 * Software is furnished to do so, subject to the following
29 * conditions:
30 *
31 * The above copyright notice and this permission notice shall be
32 * included in all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 * OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44 /dts-v1/;
45 #include "sun7i-a20.dtsi"
46 #include "sunxi-common-regulators.dtsi"
47
48 #include <dt-bindings/gpio/gpio.h>
49 #include <dt-bindings/input/input.h>
50 #include <dt-bindings/interrupt-controller/irq.h>
51
52 / {
53 model = "Olimex A20-Olimex-SOM-EVB";
54 compatible = "olimex,a20-olimex-som-evb", "allwinner,sun7i-a20";
55
56 aliases {
57 serial0 = &uart0;
58 };
59
60 chosen {
61 stdout-path = "serial0:115200n8";
62 };
63
64 hdmi-connector {
65 compatible = "hdmi-connector";
66 type = "a";
67
68 port {
69 hdmi_con_in: endpoint {
70 remote-endpoint = <&hdmi_out_con>;
71 };
72 };
73 };
74
75 leds {
76 compatible = "gpio-leds";
77
78 led {
79 label = "a20-olimex-som-evb:green:usr";
80 gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
81 default-state = "on";
82 };
83 };
84 };
85
86 &ahci {
87 target-supply = <®_ahci_5v>;
88 status = "okay";
89 };
90
91 &de {
92 status = "okay";
93 };
94
95 &ehci0 {
96 status = "okay";
97 };
98
99 &ehci1 {
100 status = "okay";
101 };
102
103 &cpu0 {
104 cpu-supply = <®_dcdc2>;
105 };
106
107 &codec {
108 status = "okay";
109 };
110
111 &gmac {
112 pinctrl-names = "default";
113 pinctrl-0 = <&gmac_rgmii_pins>;
114 phy-handle = <&phy1>;
115 phy-mode = "rgmii";
116 status = "okay";
117 };
118
119 &hdmi {
120 status = "okay";
121 };
122
123 &hdmi_out {
124 hdmi_out_con: endpoint {
125 remote-endpoint = <&hdmi_con_in>;
126 };
127 };
128
129 &i2c0 {
130 status = "okay";
131
132 axp209: pmic@34 {
133 reg = <0x34>;
134 interrupt-parent = <&nmi_intc>;
135 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
136 };
137 };
138
139 &i2c1 {
140 status = "okay";
141 };
142
143 &i2c2 {
144 status = "okay";
145 };
146
147 &lradc {
148 vref-supply = <®_vcc3v0>;
149 status = "okay";
150
151 button-190 {
152 label = "Volume Up";
153 linux,code = <KEY_VOLUMEUP>;
154 channel = <0>;
155 voltage = <190000>;
156 };
157
158 button-390 {
159 label = "Volume Down";
160 linux,code = <KEY_VOLUMEDOWN>;
161 channel = <0>;
162 voltage = <390000>;
163 };
164
165 button-600 {
166 label = "Menu";
167 linux,code = <KEY_MENU>;
168 channel = <0>;
169 voltage = <600000>;
170 };
171
172 button-800 {
173 label = "Search";
174 linux,code = <KEY_SEARCH>;
175 channel = <0>;
176 voltage = <800000>;
177 };
178
179 button-980 {
180 label = "Home";
181 linux,code = <KEY_HOMEPAGE>;
182 channel = <0>;
183 voltage = <980000>;
184 };
185
186 button-1180 {
187 label = "Esc";
188 linux,code = <KEY_ESC>;
189 channel = <0>;
190 voltage = <1180000>;
191 };
192
193 button-1400 {
194 label = "Enter";
195 linux,code = <KEY_ENTER>;
196 channel = <0>;
197 voltage = <1400000>;
198 };
199 };
200
201 &gmac_mdio {
202 phy1: ethernet-phy@1 {
203 reg = <1>;
204 };
205 };
206
207 &mmc0 {
208 vmmc-supply = <®_vcc3v3>;
209 bus-width = <4>;
210 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
211 status = "okay";
212 };
213
214 &mmc3 {
215 vmmc-supply = <®_vcc3v3>;
216 bus-width = <4>;
217 cd-gpios = <&pio 7 0 GPIO_ACTIVE_LOW>; /* PH0 */
218 status = "okay";
219 };
220
221 &ohci0 {
222 status = "okay";
223 };
224
225 &ohci1 {
226 status = "okay";
227 };
228
229 &otg_sram {
230 status = "okay";
231 };
232
233 &pio {
234 led_pins_olimex_som_evb: led-pins {
235 pins = "PH2";
236 function = "gpio_out";
237 drive-strength = <20>;
238 };
239 };
240
241 ®_ahci_5v {
242 gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
243 status = "okay";
244 };
245
246 #include "axp209.dtsi"
247
248 ®_dcdc2 {
249 regulator-always-on;
250 regulator-min-microvolt = <1000000>;
251 regulator-max-microvolt = <1400000>;
252 regulator-name = "vdd-cpu";
253 };
254
255 ®_dcdc3 {
256 regulator-always-on;
257 regulator-min-microvolt = <1000000>;
258 regulator-max-microvolt = <1400000>;
259 regulator-name = "vdd-int-dll";
260 };
261
262 ®_ldo1 {
263 regulator-name = "vdd-rtc";
264 };
265
266 ®_ldo2 {
267 regulator-always-on;
268 regulator-min-microvolt = <3000000>;
269 regulator-max-microvolt = <3000000>;
270 regulator-name = "avcc";
271 };
272
273 ®_usb0_vbus {
274 status = "okay";
275 };
276
277 ®_usb1_vbus {
278 status = "okay";
279 };
280
281 ®_usb2_vbus {
282 status = "okay";
283 };
284
285 &spi1 {
286 pinctrl-names = "default";
287 pinctrl-0 = <&spi1_pi_pins>,
288 <&spi1_cs0_pi_pin>;
289 status = "okay";
290 };
291
292 &spi2 {
293 pinctrl-names = "default";
294 pinctrl-0 = <&spi2_pc_pins>,
295 <&spi2_cs0_pc_pin>;
296 status = "okay";
297 };
298
299 &uart0 {
300 pinctrl-names = "default";
301 pinctrl-0 = <&uart0_pb_pins>;
302 status = "okay";
303 };
304
305 &uart6 {
306 pinctrl-names = "default";
307 pinctrl-0 = <&uart6_pi_pins>;
308 status = "okay";
309 };
310
311 &uart7 {
312 pinctrl-names = "default";
313 pinctrl-0 = <&uart7_pi_pins>;
314 status = "okay";
315 };
316
317 &usb_otg {
318 dr_mode = "otg";
319 status = "okay";
320 };
321
322 &usbphy {
323 usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
324 usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH05 */
325 usb0_vbus-supply = <®_usb0_vbus>;
326 usb1_vbus-supply = <®_usb1_vbus>;
327 usb2_vbus-supply = <®_usb2_vbus>;
328 status = "okay";
329 };
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