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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	leds {
70		compatible = "gpio-leds";
71		pinctrl-names = "default";
72		pinctrl-0 = <&led_pins_olinuxino>;
73
74		green {
75			label = "a20-olinuxino-micro:green:usr";
76			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
77			default-state = "on";
78		};
79	};
80};
81
82&ahci {
83	target-supply = <&reg_ahci_5v>;
84	status = "okay";
85};
86
87&codec {
88	status = "okay";
89};
90
91&cpu0 {
92	cpu-supply = <&reg_dcdc2>;
93};
94
95&ehci0 {
96	status = "okay";
97};
98
99&ehci1 {
100	status = "okay";
101};
102
103&gmac {
104	pinctrl-names = "default";
105	pinctrl-0 = <&gmac_pins_mii_a>;
106	phy = <&phy1>;
107	phy-mode = "mii";
108	status = "okay";
109
110	phy1: ethernet-phy@1 {
111		reg = <1>;
112	};
113};
114
115&i2c0 {
116	pinctrl-names = "default";
117	pinctrl-0 = <&i2c0_pins_a>;
118	status = "okay";
119
120	axp209: pmic@34 {
121		reg = <0x34>;
122		interrupt-parent = <&nmi_intc>;
123		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
124	};
125};
126
127&i2c1 {
128	pinctrl-names = "default";
129	pinctrl-0 = <&i2c1_pins_a>;
130	status = "okay";
131
132	eeprom: eeprom@50 {
133		compatible = "atmel,24c16";
134		reg = <0x50>;
135		pagesize = <16>;
136	};
137};
138
139&i2c2 {
140	pinctrl-names = "default";
141	pinctrl-0 = <&i2c2_pins_a>;
142	status = "okay";
143};
144
145&lradc {
146	vref-supply = <&reg_vcc3v0>;
147	status = "okay";
148
149	button@191 {
150		label = "Volume Up";
151		linux,code = <KEY_VOLUMEUP>;
152		channel = <0>;
153		voltage = <191274>;
154	};
155
156	button@392 {
157		label = "Volume Down";
158		linux,code = <KEY_VOLUMEDOWN>;
159		channel = <0>;
160		voltage = <392644>;
161	};
162
163	button@601 {
164		label = "Menu";
165		linux,code = <KEY_MENU>;
166		channel = <0>;
167		voltage = <601151>;
168	};
169
170	button@795 {
171		label = "Search";
172		linux,code = <KEY_SEARCH>;
173		channel = <0>;
174		voltage = <795090>;
175	};
176
177	button@987 {
178		label = "Home";
179		linux,code = <KEY_HOMEPAGE>;
180		channel = <0>;
181		voltage = <987387>;
182	};
183
184	button@1184 {
185		label = "Esc";
186		linux,code = <KEY_ESC>;
187		channel = <0>;
188		voltage = <1184678>;
189	};
190
191	button@1398 {
192		label = "Enter";
193		linux,code = <KEY_ENTER>;
194		channel = <0>;
195		voltage = <1398804>;
196	};
197};
198
199&mmc0 {
200	pinctrl-names = "default";
201	pinctrl-0 = <&mmc0_pins_a>;
202	vmmc-supply = <&reg_vcc3v3>;
203	bus-width = <4>;
204	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
205	cd-inverted;
206	status = "okay";
207};
208
209&mmc3 {
210	pinctrl-names = "default";
211	pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
212	vmmc-supply = <&reg_vcc3v3>;
213	bus-width = <4>;
214	cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
215	cd-inverted;
216	status = "okay";
217};
218
219&ohci0 {
220	status = "okay";
221};
222
223&ohci1 {
224	status = "okay";
225};
226
227&otg_sram {
228	status = "okay";
229};
230
231&pio {
232	mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
233		pins = "PH11";
234		function = "gpio_in";
235		bias-pull-up;
236	};
237
238	led_pins_olinuxino: led_pins@0 {
239		pins = "PH2";
240		function = "gpio_out";
241		drive-strength = <20>;
242	};
243
244	usb0_id_detect_pin: usb0_id_detect_pin@0 {
245		pins = "PH4";
246		function = "gpio_in";
247		bias-pull-up;
248	};
249
250	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
251		pins = "PH5";
252		function = "gpio_in";
253		bias-pull-down;
254	};
255};
256
257#include "axp209.dtsi"
258
259&reg_dcdc2 {
260	regulator-always-on;
261	regulator-min-microvolt = <1000000>;
262	regulator-max-microvolt = <1400000>;
263	regulator-name = "vdd-cpu";
264};
265
266&reg_dcdc3 {
267	regulator-always-on;
268	regulator-min-microvolt = <1000000>;
269	regulator-max-microvolt = <1400000>;
270	regulator-name = "vdd-int-dll";
271};
272
273&reg_ldo2 {
274	regulator-always-on;
275	regulator-min-microvolt = <3000000>;
276	regulator-max-microvolt = <3000000>;
277	regulator-name = "avcc";
278};
279
280&reg_ahci_5v {
281	status = "okay";
282};
283
284&reg_usb0_vbus {
285	status = "okay";
286};
287
288&reg_usb1_vbus {
289	status = "okay";
290};
291
292&reg_usb2_vbus {
293	status = "okay";
294};
295
296&spi1 {
297	pinctrl-names = "default";
298	pinctrl-0 = <&spi1_pins_a>,
299		    <&spi1_cs0_pins_a>;
300	status = "okay";
301};
302
303&spi2 {
304	pinctrl-names = "default";
305	pinctrl-0 = <&spi2_pins_a>,
306		    <&spi2_cs0_pins_a>;
307	status = "okay";
308};
309
310&uart0 {
311	pinctrl-names = "default";
312	pinctrl-0 = <&uart0_pins_a>;
313	status = "okay";
314};
315
316&uart6 {
317	pinctrl-names = "default";
318	pinctrl-0 = <&uart6_pins_a>;
319	status = "okay";
320};
321
322&uart7 {
323	pinctrl-names = "default";
324	pinctrl-0 = <&uart7_pins_a>;
325	status = "okay";
326};
327
328&usb_otg {
329	dr_mode = "otg";
330	status = "okay";
331};
332
333&usbphy {
334	pinctrl-names = "default";
335	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
336	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
337	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
338	usb0_vbus-supply = <&reg_usb0_vbus>;
339	usb1_vbus-supply = <&reg_usb1_vbus>;
340	usb2_vbus-supply = <&reg_usb2_vbus>;
341	status = "okay";
342};
343