1/*
2 * Copyright 2015 Adam Sampson <ats@offog.org>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 *  a) This file is free software; you can redistribute it and/or
10 *     modify it under the terms of the GNU General Public License as
11 *     published by the Free Software Foundation; either version 2 of the
12 *     License, or (at your option) any later version.
13 *
14 *     This file is distributed in the hope that it will be useful,
15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *     GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 *  b) Permission is hereby granted, free of charge, to any person
22 *     obtaining a copy of this software and associated documentation
23 *     files (the "Software"), to deal in the Software without
24 *     restriction, including without limitation the rights to use,
25 *     copy, modify, merge, publish, distribute, sublicense, and/or
26 *     sell copies of the Software, and to permit persons to whom the
27 *     Software is furnished to do so, subject to the following
28 *     conditions:
29 *
30 *     The above copyright notice and this permission notice shall be
31 *     included in all copies or substantial portions of the Software.
32 *
33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 *     OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43/dts-v1/;
44#include "sun7i-a20.dtsi"
45#include "sunxi-common-regulators.dtsi"
46#include <dt-bindings/gpio/gpio.h>
47#include <dt-bindings/interrupt-controller/arm-gic.h>
48
49/ {
50	model = "LinkSprite pcDuino3 Nano";
51	compatible = "linksprite,pcduino3-nano", "allwinner,sun7i-a20";
52
53	aliases {
54		serial0 = &uart0;
55	};
56
57	chosen {
58		stdout-path = "serial0:115200n8";
59	};
60
61	hdmi-connector {
62		compatible = "hdmi-connector";
63		type = "a";
64
65		port {
66			hdmi_con_in: endpoint {
67				remote-endpoint = <&hdmi_out_con>;
68			};
69		};
70	};
71
72	leds {
73		compatible = "gpio-leds";
74
75		/* Marked "LED3" on the PCB. */
76		usr1 {
77			label = "pcduino3-nano:green:usr1";
78			gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */
79		};
80
81		/* Marked "LED4" on the PCB. */
82		usr2 {
83			label = "pcduino3-nano:green:usr2";
84			gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */
85		};
86	};
87};
88
89&ahci {
90	target-supply = <&reg_ahci_5v>;
91	status = "okay";
92};
93
94&codec {
95	status = "okay";
96};
97
98&cpu0 {
99	cpu-supply = <&reg_dcdc2>;
100};
101
102&de {
103	status = "okay";
104};
105
106&ehci0 {
107	status = "okay";
108};
109
110&ehci1 {
111	status = "okay";
112};
113
114&gmac {
115	pinctrl-names = "default";
116	pinctrl-0 = <&gmac_rgmii_pins>;
117	phy = <&phy1>;
118	phy-mode = "rgmii";
119	status = "okay";
120
121	phy1: ethernet-phy@1 {
122		reg = <1>;
123	};
124};
125
126&hdmi {
127	status = "okay";
128};
129
130&hdmi_out {
131	hdmi_out_con: endpoint {
132		remote-endpoint = <&hdmi_con_in>;
133	};
134};
135
136&i2c0 {
137	status = "okay";
138
139	axp209: pmic@34 {
140		reg = <0x34>;
141		interrupt-parent = <&nmi_intc>;
142		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
143	};
144};
145
146&ir0 {
147	pinctrl-names = "default";
148	pinctrl-0 = <&ir0_rx_pin>;
149	status = "okay";
150};
151
152&mmc0 {
153	vmmc-supply = <&reg_vcc3v3>;
154	bus-width = <4>;
155	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
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	usb0_id_detect_pin: usb0-id-detect-pin {
173		pins = "PH4";
174		function = "gpio_in";
175		bias-pull-up;
176	};
177};
178
179&reg_ahci_5v {
180	gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
181	status = "okay";
182};
183
184#include "axp209.dtsi"
185
186&reg_dcdc2 {
187	regulator-always-on;
188	regulator-min-microvolt = <1000000>;
189	regulator-max-microvolt = <1400000>;
190	regulator-name = "vdd-cpu";
191};
192
193&reg_dcdc3 {
194	regulator-always-on;
195	regulator-min-microvolt = <1000000>;
196	regulator-max-microvolt = <1400000>;
197	regulator-name = "vdd-int-pll";
198};
199
200&reg_ldo1 {
201	regulator-name = "vdd-rtc";
202};
203
204&reg_ldo2 {
205	regulator-always-on;
206	regulator-min-microvolt = <3000000>;
207	regulator-max-microvolt = <3000000>;
208	regulator-name = "avcc";
209};
210
211/* A single regulator (U24) powers both USB host ports. */
212&reg_usb1_vbus {
213	gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
214	status = "okay";
215};
216
217&uart0 {
218	pinctrl-names = "default";
219	pinctrl-0 = <&uart0_pb_pins>;
220	status = "okay";
221};
222
223&usb_otg {
224	dr_mode = "otg";
225	status = "okay";
226};
227
228&usbphy {
229	pinctrl-names = "default";
230	pinctrl-0 = <&usb0_id_detect_pin>;
231	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
232	usb1_vbus-supply = <&reg_usb1_vbus>;
233	usb2_vbus-supply = <&reg_usb1_vbus>;
234	status = "okay";
235};
236