xref: /linux/arch/arm/boot/dts/allwinner/sun7i-a20-pcduino3-nano.dts (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1/*
2 * Copyright 2015-2020 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		led-3 {
76			label = "pcduino3-nano:green:usr1";
77			gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */
78		};
79
80		led-4 {
81			label = "pcduino3-nano:green:usr2";
82			gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */
83		};
84	};
85};
86
87&ahci {
88	target-supply = <&reg_ahci_5v>;
89	status = "okay";
90};
91
92&codec {
93	status = "okay";
94};
95
96&cpu0 {
97	cpu-supply = <&reg_dcdc2>;
98};
99
100&de {
101	status = "okay";
102};
103
104&ehci0 {
105	status = "okay";
106};
107
108&ehci1 {
109	status = "okay";
110};
111
112&gmac {
113	pinctrl-names = "default";
114	pinctrl-0 = <&gmac_rgmii_pins>;
115	phy-handle = <&phy1>;
116	phy-mode = "rgmii-id";
117	status = "okay";
118};
119
120&hdmi {
121	status = "okay";
122};
123
124&hdmi_out {
125	hdmi_out_con: endpoint {
126		remote-endpoint = <&hdmi_con_in>;
127	};
128};
129
130&i2c0 {
131	status = "okay";
132
133	axp209: pmic@34 {
134		reg = <0x34>;
135		interrupt-parent = <&nmi_intc>;
136		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
137	};
138};
139
140&ir0 {
141	pinctrl-names = "default";
142	pinctrl-0 = <&ir0_rx_pin>;
143	status = "okay";
144};
145
146&gmac_mdio {
147	phy1: ethernet-phy@1 {
148		reg = <1>;
149	};
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&reg_ahci_5v {
172	gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
173	status = "okay";
174};
175
176#include "axp209.dtsi"
177
178&reg_dcdc2 {
179	regulator-always-on;
180	regulator-min-microvolt = <1000000>;
181	regulator-max-microvolt = <1400000>;
182	regulator-name = "vdd-cpu";
183};
184
185&reg_dcdc3 {
186	regulator-always-on;
187	regulator-min-microvolt = <1000000>;
188	regulator-max-microvolt = <1400000>;
189	regulator-name = "vdd-int-pll";
190};
191
192&reg_ldo1 {
193	regulator-name = "vdd-rtc";
194};
195
196&reg_ldo2 {
197	regulator-always-on;
198	regulator-min-microvolt = <3000000>;
199	regulator-max-microvolt = <3000000>;
200	regulator-name = "avcc";
201};
202
203/* A single regulator (U24) powers both USB host ports. */
204&reg_usb1_vbus {
205	gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
206	status = "okay";
207};
208
209&uart0 {
210	pinctrl-names = "default";
211	pinctrl-0 = <&uart0_pb_pins>;
212	status = "okay";
213};
214
215&usb_otg {
216	dr_mode = "otg";
217	status = "okay";
218};
219
220&usbphy {
221	usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
222	usb1_vbus-supply = <&reg_usb1_vbus>;
223	usb2_vbus-supply = <&reg_usb1_vbus>;
224	status = "okay";
225};
226