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 = <&reg_ahci_5v>;
95	status = "okay";
96};
97
98&codec {
99	status = "okay";
100};
101
102&cpu0 {
103	cpu-supply = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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&reg_dcdc2 {
270	regulator-always-on;
271	regulator-min-microvolt = <1000000>;
272	regulator-max-microvolt = <1400000>;
273	regulator-name = "vdd-cpu";
274};
275
276&reg_dcdc3 {
277	regulator-always-on;
278	regulator-min-microvolt = <1000000>;
279	regulator-max-microvolt = <1400000>;
280	regulator-name = "vdd-int-dll";
281};
282
283&reg_ldo2 {
284	regulator-always-on;
285	regulator-min-microvolt = <3000000>;
286	regulator-max-microvolt = <3000000>;
287	regulator-name = "avcc";
288};
289
290&reg_ahci_5v {
291	status = "okay";
292};
293
294&reg_usb0_vbus {
295	status = "okay";
296};
297
298&reg_usb1_vbus {
299	status = "okay";
300};
301
302&reg_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 = <&reg_usb0_vbus>;
351	usb1_vbus-supply = <&reg_usb1_vbus>;
352	usb2_vbus-supply = <&reg_usb2_vbus>;
353	status = "okay";
354};
355