1/*
2 * Copyright 2014 Zoltan HERPAI
3 * Zoltan HERPAI <[email protected]>
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 "sun7i-a20.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/interrupt-controller/irq.h>
51
52/ {
53	model = "LinkSprite pcDuino3";
54	compatible = "linksprite,pcduino3", "allwinner,sun7i-a20";
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_pcduino3>;
68
69		tx {
70			label = "pcduino3:green:tx";
71			gpios = <&pio 7 15 GPIO_ACTIVE_LOW>;
72		};
73
74		rx {
75			label = "pcduino3: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_pcduino3>;
84		#address-cells = <1>;
85		#size-cells = <0>;
86		button@0 {
87			label = "Key Back";
88			linux,code = <KEY_BACK>;
89			gpios = <&pio 7 17 GPIO_ACTIVE_LOW>;
90		};
91		button@1 {
92			label = "Key Home";
93			linux,code = <KEY_HOME>;
94			gpios = <&pio 7 18 GPIO_ACTIVE_LOW>;
95		};
96		button@2 {
97			label = "Key Menu";
98			linux,code = <KEY_MENU>;
99			gpios = <&pio 7 19 GPIO_ACTIVE_LOW>;
100		};
101	};
102};
103
104&ahci {
105	target-supply = <&reg_ahci_5v>;
106	status = "okay";
107};
108
109&ahci_pwr_pin_a {
110	pins = "PH2";
111};
112
113&codec {
114	status = "okay";
115};
116
117&cpu0 {
118	cpu-supply = <&reg_dcdc2>;
119};
120
121&ehci0 {
122	status = "okay";
123};
124
125&ehci1 {
126	status = "okay";
127};
128
129&gmac {
130	pinctrl-names = "default";
131	pinctrl-0 = <&gmac_pins_mii_a>;
132	phy = <&phy1>;
133	phy-mode = "mii";
134	status = "okay";
135
136	phy1: ethernet-phy@1 {
137		reg = <1>;
138	};
139};
140
141&i2c0 {
142	pinctrl-names = "default";
143	pinctrl-0 = <&i2c0_pins_a>;
144	status = "okay";
145
146	axp209: pmic@34 {
147		reg = <0x34>;
148		interrupt-parent = <&nmi_intc>;
149		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
150	};
151};
152
153#include "axp209.dtsi"
154
155&ir0 {
156	pinctrl-names = "default";
157	pinctrl-0 = <&ir0_rx_pins_a>;
158	status = "okay";
159};
160
161&mmc0 {
162	pinctrl-names = "default";
163	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
164	vmmc-supply = <&reg_vcc3v3>;
165	bus-width = <4>;
166	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
167	cd-inverted;
168	status = "okay";
169};
170
171&ohci0 {
172	status = "okay";
173};
174
175&ohci1 {
176	status = "okay";
177};
178
179&otg_sram {
180	status = "okay";
181};
182
183&pio {
184	led_pins_pcduino3: led_pins@0 {
185		pins = "PH15", "PH16";
186		function = "gpio_out";
187	};
188
189	key_pins_pcduino3: key_pins@0 {
190		pins = "PH17", "PH18", "PH19";
191		function = "gpio_in";
192	};
193
194	usb0_id_detect_pin: usb0_id_detect_pin@0 {
195		pins = "PH4";
196		function = "gpio_in";
197		bias-pull-up;
198	};
199};
200
201&reg_ahci_5v {
202	gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>;
203	status = "okay";
204};
205
206&reg_dcdc2 {
207	regulator-always-on;
208	regulator-min-microvolt = <1000000>;
209	regulator-max-microvolt = <1400000>;
210	regulator-name = "vdd-cpu";
211};
212
213&reg_dcdc3 {
214	regulator-always-on;
215	regulator-min-microvolt = <1000000>;
216	regulator-max-microvolt = <1400000>;
217	regulator-name = "vdd-int-pll";
218};
219
220&reg_ldo1 {
221	regulator-name = "vdd-rtc";
222};
223
224&reg_ldo2 {
225	regulator-always-on;
226	regulator-min-microvolt = <3000000>;
227	regulator-max-microvolt = <3000000>;
228	regulator-name = "avcc";
229};
230
231&reg_usb1_vbus {
232	status = "okay";
233};
234
235&reg_usb2_vbus {
236	status = "okay";
237};
238
239&uart0 {
240	pinctrl-names = "default";
241	pinctrl-0 = <&uart0_pins_a>;
242	status = "okay";
243};
244
245&usb_otg {
246	dr_mode = "otg";
247	status = "okay";
248};
249
250&usbphy {
251	pinctrl-names = "default";
252	pinctrl-0 = <&usb0_id_detect_pin>;
253	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
254	usb1_vbus-supply = <&reg_usb1_vbus>;
255	usb2_vbus-supply = <&reg_usb2_vbus>;
256	status = "okay";
257};
258