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		green {
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 = <&phy1>;
122	phy-mode = "mii";
123	status = "okay";
124
125	phy1: ethernet-phy@1 {
126		reg = <1>;
127	};
128};
129
130&hdmi {
131	status = "okay";
132};
133
134&hdmi_out {
135	hdmi_out_con: endpoint {
136		remote-endpoint = <&hdmi_con_in>;
137	};
138};
139
140&i2c0 {
141	status = "okay";
142
143	axp209: pmic@34 {
144		reg = <0x34>;
145		interrupt-parent = <&nmi_intc>;
146		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
147	};
148};
149
150&i2c1 {
151	status = "okay";
152
153	eeprom: eeprom@50 {
154		compatible = "atmel,24c16";
155		reg = <0x50>;
156		pagesize = <16>;
157	};
158};
159
160&i2c2 {
161	status = "okay";
162};
163
164&lradc {
165	vref-supply = <&reg_vcc3v0>;
166	status = "okay";
167
168	button-191 {
169		label = "Volume Up";
170		linux,code = <KEY_VOLUMEUP>;
171		channel = <0>;
172		voltage = <191274>;
173	};
174
175	button-392 {
176		label = "Volume Down";
177		linux,code = <KEY_VOLUMEDOWN>;
178		channel = <0>;
179		voltage = <392644>;
180	};
181
182	button-601 {
183		label = "Menu";
184		linux,code = <KEY_MENU>;
185		channel = <0>;
186		voltage = <601151>;
187	};
188
189	button-795 {
190		label = "Search";
191		linux,code = <KEY_SEARCH>;
192		channel = <0>;
193		voltage = <795090>;
194	};
195
196	button-987 {
197		label = "Home";
198		linux,code = <KEY_HOMEPAGE>;
199		channel = <0>;
200		voltage = <987387>;
201	};
202
203	button-1184 {
204		label = "Esc";
205		linux,code = <KEY_ESC>;
206		channel = <0>;
207		voltage = <1184678>;
208	};
209
210	button-1398 {
211		label = "Enter";
212		linux,code = <KEY_ENTER>;
213		channel = <0>;
214		voltage = <1398804>;
215	};
216};
217
218&mmc0 {
219	vmmc-supply = <&reg_vcc3v3>;
220	bus-width = <4>;
221	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
222	status = "okay";
223};
224
225&mmc3 {
226	vmmc-supply = <&reg_vcc3v3>;
227	bus-width = <4>;
228	cd-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>; /* PH11 */
229	status = "okay";
230};
231
232&ohci0 {
233	status = "okay";
234};
235
236&ohci1 {
237	status = "okay";
238};
239
240&otg_sram {
241	status = "okay";
242};
243
244&pio {
245	gmac_txerr: gmac-txerr-pin {
246		pins = "PA17";
247		function = "gmac";
248	};
249
250	led_pins_olinuxino: led-pins {
251		pins = "PH2";
252		function = "gpio_out";
253		drive-strength = <20>;
254	};
255
256	usb0_id_detect_pin: usb0-id-detect-pin {
257		pins = "PH4";
258		function = "gpio_in";
259		bias-pull-up;
260	};
261
262	usb0_vbus_detect_pin: usb0-vbus-detect-pin {
263		pins = "PH5";
264		function = "gpio_in";
265		bias-pull-down;
266	};
267};
268
269#include "axp209.dtsi"
270
271&ac_power_supply {
272	status = "okay";
273};
274
275&battery_power_supply {
276	status = "okay";
277};
278
279&reg_dcdc2 {
280	regulator-always-on;
281	regulator-min-microvolt = <1000000>;
282	regulator-max-microvolt = <1400000>;
283	regulator-name = "vdd-cpu";
284};
285
286&reg_dcdc3 {
287	regulator-always-on;
288	regulator-min-microvolt = <1000000>;
289	regulator-max-microvolt = <1400000>;
290	regulator-name = "vdd-int-dll";
291};
292
293&reg_ldo2 {
294	regulator-always-on;
295	regulator-min-microvolt = <3000000>;
296	regulator-max-microvolt = <3000000>;
297	regulator-name = "avcc";
298};
299
300&reg_ahci_5v {
301	status = "okay";
302};
303
304&reg_usb0_vbus {
305	status = "okay";
306};
307
308&reg_usb1_vbus {
309	status = "okay";
310};
311
312&reg_usb2_vbus {
313	status = "okay";
314};
315
316&spi1 {
317	pinctrl-names = "default";
318	pinctrl-0 = <&spi1_pi_pins>,
319		    <&spi1_cs0_pi_pin>;
320	status = "okay";
321};
322
323&spi2 {
324	pinctrl-names = "default";
325	pinctrl-0 = <&spi2_pc_pins>,
326		    <&spi2_cs0_pc_pin>;
327	status = "okay";
328};
329
330&uart0 {
331	pinctrl-names = "default";
332	pinctrl-0 = <&uart0_pb_pins>;
333	status = "okay";
334};
335
336&uart6 {
337	pinctrl-names = "default";
338	pinctrl-0 = <&uart6_pi_pins>;
339	status = "okay";
340};
341
342&uart7 {
343	pinctrl-names = "default";
344	pinctrl-0 = <&uart7_pi_pins>;
345	status = "okay";
346};
347
348&usb_otg {
349	dr_mode = "otg";
350	status = "okay";
351};
352
353&usb_power_supply {
354	status = "okay";
355};
356
357&usbphy {
358	pinctrl-names = "default";
359	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
360	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
361	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
362	usb0_vbus-supply = <&reg_usb0_vbus>;
363	usb1_vbus-supply = <&reg_usb1_vbus>;
364	usb2_vbus-supply = <&reg_usb2_vbus>;
365	status = "okay";
366};
367