1/*
2 * Copyright 2014 Zoltan HERPAI
3 * Zoltan HERPAI <wigyori@uid0.hu>
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 *  a) This file is free software; you can redistribute it and/or
11 *     modify it under the terms of the GNU General Public License as
12 *     published by the Free Software Foundation; either version 2 of the
13 *     License, or (at your option) any later version.
14 *
15 *     This file is distributed in the hope that it will be useful,
16 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *     GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 *  b) Permission is hereby granted, free of charge, to any person
23 *     obtaining a copy of this software and associated documentation
24 *     files (the "Software"), to deal in the Software without
25 *     restriction, including without limitation the rights to use,
26 *     copy, modify, merge, publish, distribute, sublicense, and/or
27 *     sell copies of the Software, and to permit persons to whom the
28 *     Software is furnished to do so, subject to the following
29 *     conditions:
30 *
31 *     The above copyright notice and this permission notice shall be
32 *     included in all copies or substantial portions of the Software.
33 *
34 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 *     OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44/dts-v1/;
45#include "sun4i-a10.dtsi"
46#include "sunxi-common-regulators.dtsi"
47
48#include <dt-bindings/gpio/gpio.h>
49#include <dt-bindings/input/input.h>
50#include <dt-bindings/pinctrl/sun4i-a10.h>
51
52/ {
53	model = "LinkSprite pcDuino";
54	compatible = "linksprite,a10-pcduino", "allwinner,sun4i-a10";
55
56	aliases {
57		serial0 = &uart0;
58	};
59
60	chosen {
61		stdout-path = "serial0:115200n8";
62	};
63
64	leds {
65		compatible = "gpio-leds";
66		pinctrl-names = "default";
67		pinctrl-0 = <&led_pins_pcduino>;
68
69		tx {
70			label = "pcduino:green:tx";
71			gpios = <&pio 7 15 GPIO_ACTIVE_LOW>;
72		};
73
74		rx {
75			label = "pcduino:green:rx";
76			gpios = <&pio 7 16 GPIO_ACTIVE_LOW>;
77		};
78	};
79
80	gpio_keys {
81		compatible = "gpio-keys";
82		pinctrl-names = "default";
83		pinctrl-0 = <&key_pins_pcduino>;
84		#address-cells = <1>;
85		#size-cells = <0>;
86
87		button@0 {
88			label = "Key Back";
89			linux,code = <KEY_BACK>;
90			gpios = <&pio 7 17 GPIO_ACTIVE_LOW>;
91		};
92
93		button@1 {
94			label = "Key Home";
95			linux,code = <KEY_HOME>;
96			gpios = <&pio 7 18 GPIO_ACTIVE_LOW>;
97		};
98
99		button@2 {
100			label = "Key Menu";
101			linux,code = <KEY_MENU>;
102			gpios = <&pio 7 19 GPIO_ACTIVE_LOW>;
103		};
104	};
105};
106
107&cpu0 {
108	cpu-supply = <&reg_dcdc2>;
109};
110
111&ehci0 {
112	status = "okay";
113};
114
115&ehci1 {
116	status = "okay";
117};
118
119&emac {
120	pinctrl-names = "default";
121	pinctrl-0 = <&emac_pins_a>;
122	phy = <&phy1>;
123	status = "okay";
124};
125
126&emac_sram {
127	status = "okay";
128};
129
130&i2c0 {
131	pinctrl-names = "default";
132	pinctrl-0 = <&i2c0_pins_a>;
133	status = "okay";
134
135	axp209: pmic@34 {
136		reg = <0x34>;
137		interrupts = <0>;
138	};
139};
140
141&mdio {
142	status = "okay";
143
144	phy1: ethernet-phy@1 {
145		reg = <1>;
146	};
147};
148
149&mmc0 {
150	pinctrl-names = "default";
151	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
152	vmmc-supply = <&reg_vcc3v3>;
153	bus-width = <4>;
154	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
155	cd-inverted;
156	status = "okay";
157};
158
159&ohci0 {
160	status = "okay";
161};
162
163&ohci1 {
164	status = "okay";
165};
166
167&otg_sram {
168	status = "okay";
169};
170
171&pio {
172	led_pins_pcduino: led_pins@0 {
173		allwinner,pins = "PH15", "PH16";
174		allwinner,function = "gpio_out";
175		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
176		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
177	};
178
179	key_pins_pcduino: key_pins@0 {
180		allwinner,pins = "PH17", "PH18", "PH19";
181		allwinner,function = "gpio_in";
182		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
183		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
184	};
185
186	usb0_id_detect_pin: usb0_id_detect_pin@0 {
187		allwinner,pins = "PH4";
188		allwinner,function = "gpio_in";
189		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
190		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
191	};
192};
193
194#include "axp209.dtsi"
195
196&reg_dcdc2 {
197	regulator-always-on;
198	regulator-min-microvolt = <1000000>;
199	regulator-max-microvolt = <1400000>;
200	regulator-name = "vdd-cpu";
201};
202
203&reg_dcdc3 {
204	regulator-always-on;
205	regulator-min-microvolt = <1000000>;
206	regulator-max-microvolt = <1400000>;
207	regulator-name = "vdd-int-dll";
208};
209
210&reg_ldo1 {
211	regulator-name = "vdd-rtc";
212};
213
214&reg_ldo2 {
215	regulator-always-on;
216	regulator-min-microvolt = <3000000>;
217	regulator-max-microvolt = <3000000>;
218	regulator-name = "avcc";
219};
220
221&uart0 {
222	pinctrl-names = "default";
223	pinctrl-0 = <&uart0_pins_a>;
224	status = "okay";
225};
226
227&usb_otg {
228	dr_mode = "otg";
229	status = "okay";
230};
231
232&usbphy {
233	pinctrl-names = "default";
234	pinctrl-0 = <&usb0_id_detect_pin>;
235	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
236	usb1_vbus-supply = <&reg_vcc5v0>; /* USB1 VBUS is always on */
237	usb2_vbus-supply = <&reg_vcc5v0>; /* USB2 VBUS is always on */
238	status = "okay";
239};
240