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	eeprom: eeprom@50 {
130		compatible = "atmel,24c16";
131		reg = <0x50>;
132		pagesize = <16>;
133	};
134};
135
136&i2c2 {
137	pinctrl-names = "default";
138	pinctrl-0 = <&i2c2_pins_a>;
139	status = "okay";
140};
141
142&lradc {
143	vref-supply = <&reg_vcc3v0>;
144	status = "okay";
145
146	button@191 {
147		label = "Volume Up";
148		linux,code = <KEY_VOLUMEUP>;
149		channel = <0>;
150		voltage = <191274>;
151	};
152
153	button@392 {
154		label = "Volume Down";
155		linux,code = <KEY_VOLUMEDOWN>;
156		channel = <0>;
157		voltage = <392644>;
158	};
159
160	button@601 {
161		label = "Menu";
162		linux,code = <KEY_MENU>;
163		channel = <0>;
164		voltage = <601151>;
165	};
166
167	button@795 {
168		label = "Search";
169		linux,code = <KEY_SEARCH>;
170		channel = <0>;
171		voltage = <795090>;
172	};
173
174	button@987 {
175		label = "Home";
176		linux,code = <KEY_HOMEPAGE>;
177		channel = <0>;
178		voltage = <987387>;
179	};
180
181	button@1184 {
182		label = "Esc";
183		linux,code = <KEY_ESC>;
184		channel = <0>;
185		voltage = <1184678>;
186	};
187
188	button@1398 {
189		label = "Enter";
190		linux,code = <KEY_ENTER>;
191		channel = <0>;
192		voltage = <1398804>;
193	};
194};
195
196&mmc0 {
197	pinctrl-names = "default";
198	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
199	vmmc-supply = <&reg_vcc3v3>;
200	bus-width = <4>;
201	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
202	cd-inverted;
203	status = "okay";
204};
205
206&mmc3 {
207	pinctrl-names = "default";
208	pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
209	vmmc-supply = <&reg_vcc3v3>;
210	bus-width = <4>;
211	cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
212	cd-inverted;
213	status = "okay";
214};
215
216&ohci0 {
217	status = "okay";
218};
219
220&ohci1 {
221	status = "okay";
222};
223
224&otg_sram {
225	status = "okay";
226};
227
228&pio {
229	mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
230		allwinner,pins = "PH11";
231		allwinner,function = "gpio_in";
232		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
233		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
234	};
235
236	led_pins_olinuxino: led_pins@0 {
237		allwinner,pins = "PH2";
238		allwinner,function = "gpio_out";
239		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
240		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
241	};
242
243	usb0_id_detect_pin: usb0_id_detect_pin@0 {
244		allwinner,pins = "PH4";
245		allwinner,function = "gpio_in";
246		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
247		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
248	};
249
250	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
251		allwinner,pins = "PH5";
252		allwinner,function = "gpio_in";
253		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
254		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
255	};
256};
257
258&reg_ahci_5v {
259	status = "okay";
260};
261
262&reg_usb0_vbus {
263	status = "okay";
264};
265
266&reg_usb1_vbus {
267	status = "okay";
268};
269
270&reg_usb2_vbus {
271	status = "okay";
272};
273
274&spi1 {
275	pinctrl-names = "default";
276	pinctrl-0 = <&spi1_pins_a>,
277		    <&spi1_cs0_pins_a>;
278	status = "okay";
279};
280
281&spi2 {
282	pinctrl-names = "default";
283	pinctrl-0 = <&spi2_pins_a>,
284		    <&spi2_cs0_pins_a>;
285	status = "okay";
286};
287
288&uart0 {
289	pinctrl-names = "default";
290	pinctrl-0 = <&uart0_pins_a>;
291	status = "okay";
292};
293
294&uart6 {
295	pinctrl-names = "default";
296	pinctrl-0 = <&uart6_pins_a>;
297	status = "okay";
298};
299
300&uart7 {
301	pinctrl-names = "default";
302	pinctrl-0 = <&uart7_pins_a>;
303	status = "okay";
304};
305
306&usb_otg {
307	dr_mode = "otg";
308	status = "okay";
309};
310
311&usbphy {
312	pinctrl-names = "default";
313	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
314	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
315	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
316	usb0_vbus-supply = <&reg_usb0_vbus>;
317	usb1_vbus-supply = <&reg_usb1_vbus>;
318	usb2_vbus-supply = <&reg_usb2_vbus>;
319	status = "okay";
320};