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#include <dt-bindings/pinctrl/sun4i-a10.h>
53
54/ {
55	model = "Olimex A20-Olinuxino Micro";
56	compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
57
58	aliases {
59		serial0 = &uart0;
60		serial1 = &uart6;
61		serial2 = &uart7;
62		spi0 = &spi1;
63		spi1 = &spi2;
64	};
65
66	chosen {
67		stdout-path = "serial0:115200n8";
68	};
69
70	leds {
71		compatible = "gpio-leds";
72		pinctrl-names = "default";
73		pinctrl-0 = <&led_pins_olinuxino>;
74
75		green {
76			label = "a20-olinuxino-micro:green:usr";
77			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
78			default-state = "on";
79		};
80	};
81};
82
83&ahci {
84	target-supply = <&reg_ahci_5v>;
85	status = "okay";
86};
87
88&ehci0 {
89	status = "okay";
90};
91
92&ehci1 {
93	status = "okay";
94};
95
96&gmac {
97	pinctrl-names = "default";
98	pinctrl-0 = <&gmac_pins_mii_a>;
99	phy = <&phy1>;
100	phy-mode = "mii";
101	status = "okay";
102
103	phy1: ethernet-phy@1 {
104		reg = <1>;
105	};
106};
107
108&i2c0 {
109	pinctrl-names = "default";
110	pinctrl-0 = <&i2c0_pins_a>;
111	status = "okay";
112
113	axp209: pmic@34 {
114		compatible = "x-powers,axp209";
115		reg = <0x34>;
116		interrupt-parent = <&nmi_intc>;
117		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
118
119		interrupt-controller;
120		#interrupt-cells = <1>;
121	};
122};
123
124&i2c1 {
125	pinctrl-names = "default";
126	pinctrl-0 = <&i2c1_pins_a>;
127	status = "okay";
128};
129
130&i2c2 {
131	pinctrl-names = "default";
132	pinctrl-0 = <&i2c2_pins_a>;
133	status = "okay";
134};
135
136&lradc {
137	vref-supply = <&reg_vcc3v0>;
138	status = "okay";
139
140	button@191 {
141		label = "Volume Up";
142		linux,code = <KEY_VOLUMEUP>;
143		channel = <0>;
144		voltage = <191274>;
145	};
146
147	button@392 {
148		label = "Volume Down";
149		linux,code = <KEY_VOLUMEDOWN>;
150		channel = <0>;
151		voltage = <392644>;
152	};
153
154	button@601 {
155		label = "Menu";
156		linux,code = <KEY_MENU>;
157		channel = <0>;
158		voltage = <601151>;
159	};
160
161	button@795 {
162		label = "Search";
163		linux,code = <KEY_SEARCH>;
164		channel = <0>;
165		voltage = <795090>;
166	};
167
168	button@987 {
169		label = "Home";
170		linux,code = <KEY_HOMEPAGE>;
171		channel = <0>;
172		voltage = <987387>;
173	};
174
175	button@1184 {
176		label = "Esc";
177		linux,code = <KEY_ESC>;
178		channel = <0>;
179		voltage = <1184678>;
180	};
181
182	button@1398 {
183		label = "Enter";
184		linux,code = <KEY_ENTER>;
185		channel = <0>;
186		voltage = <1398804>;
187	};
188};
189
190&mmc0 {
191	pinctrl-names = "default";
192	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
193	vmmc-supply = <&reg_vcc3v3>;
194	bus-width = <4>;
195	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
196	cd-inverted;
197	status = "okay";
198};
199
200&mmc3 {
201	pinctrl-names = "default";
202	pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
203	vmmc-supply = <&reg_vcc3v3>;
204	bus-width = <4>;
205	cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
206	cd-inverted;
207	status = "okay";
208};
209
210&ohci0 {
211	status = "okay";
212};
213
214&ohci1 {
215	status = "okay";
216};
217
218&otg_sram {
219	status = "okay";
220};
221
222&pio {
223	mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
224		allwinner,pins = "PH11";
225		allwinner,function = "gpio_in";
226		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
227		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
228	};
229
230	led_pins_olinuxino: led_pins@0 {
231		allwinner,pins = "PH2";
232		allwinner,function = "gpio_out";
233		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
234		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
235	};
236
237	usb0_id_detect_pin: usb0_id_detect_pin@0 {
238		allwinner,pins = "PH4";
239		allwinner,function = "gpio_in";
240		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
241		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
242	};
243
244	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
245		allwinner,pins = "PH5";
246		allwinner,function = "gpio_in";
247		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
248		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
249	};
250};
251
252&reg_ahci_5v {
253	status = "okay";
254};
255
256&reg_usb0_vbus {
257	status = "okay";
258};
259
260&reg_usb1_vbus {
261	status = "okay";
262};
263
264&reg_usb2_vbus {
265	status = "okay";
266};
267
268&spi1 {
269	pinctrl-names = "default";
270	pinctrl-0 = <&spi1_pins_a>,
271		    <&spi1_cs0_pins_a>;
272	status = "okay";
273};
274
275&spi2 {
276	pinctrl-names = "default";
277	pinctrl-0 = <&spi2_pins_a>,
278		    <&spi2_cs0_pins_a>;
279	status = "okay";
280};
281
282&uart0 {
283	pinctrl-names = "default";
284	pinctrl-0 = <&uart0_pins_a>;
285	status = "okay";
286};
287
288&uart6 {
289	pinctrl-names = "default";
290	pinctrl-0 = <&uart6_pins_a>;
291	status = "okay";
292};
293
294&uart7 {
295	pinctrl-names = "default";
296	pinctrl-0 = <&uart7_pins_a>;
297	status = "okay";
298};
299
300&usb_otg {
301	dr_mode = "otg";
302	status = "okay";
303};
304
305&usbphy {
306	pinctrl-names = "default";
307	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
308	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
309	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
310	usb0_vbus-supply = <&reg_usb0_vbus>;
311	usb1_vbus-supply = <&reg_usb1_vbus>;
312	usb2_vbus-supply = <&reg_usb2_vbus>;
313	status = "okay";
314};
315