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Hans de Goede53ab4af2015-04-15 19:03:49 +02001/*
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 *
Hans de Goede53ab4af2015-04-15 19:03:49 +020019 * 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 leds {
62 compatible = "gpio-leds";
63 pinctrl-names = "default";
64 pinctrl-0 = <&led_pins_pcduino3_nano>;
65
66 /* Marked "LED3" on the PCB. */
67 usr1 {
68 label = "pcduino3-nano:green:usr1";
69 gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */
70 };
71
72 /* Marked "LED4" on the PCB. */
73 usr2 {
74 label = "pcduino3-nano:green:usr2";
75 gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */
76 };
77 };
78};
79
80&ahci {
81 target-supply = <&reg_ahci_5v>;
82 status = "okay";
83};
84
Hans de Goede80e5f832016-03-14 17:37:09 +010085&codec {
86 status = "okay";
87};
88
89&cpu0 {
90 cpu-supply = <&reg_dcdc2>;
91};
92
Hans de Goede53ab4af2015-04-15 19:03:49 +020093&ehci0 {
94 status = "okay";
95};
96
97&ehci1 {
98 status = "okay";
99};
100
101&gmac {
102 pinctrl-names = "default";
103 pinctrl-0 = <&gmac_pins_rgmii_a>;
104 phy = <&phy1>;
105 phy-mode = "rgmii";
106 status = "okay";
107
108 phy1: ethernet-phy@1 {
109 reg = <1>;
110 };
111};
112
113&i2c0 {
114 pinctrl-names = "default";
115 pinctrl-0 = <&i2c0_pins_a>;
116 status = "okay";
117
118 axp209: pmic@34 {
Hans de Goede53ab4af2015-04-15 19:03:49 +0200119 reg = <0x34>;
120 interrupt-parent = <&nmi_intc>;
121 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
Hans de Goede53ab4af2015-04-15 19:03:49 +0200122 };
123};
124
125&ir0 {
126 pinctrl-names = "default";
Hans de Goede8b1ba942015-06-02 15:53:40 +0200127 pinctrl-0 = <&ir0_rx_pins_a>;
Hans de Goede53ab4af2015-04-15 19:03:49 +0200128 status = "okay";
129};
130
131&mmc0 {
132 pinctrl-names = "default";
133 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
134 vmmc-supply = <&reg_vcc3v3>;
135 bus-width = <4>;
136 cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
137 cd-inverted;
138 status = "okay";
139};
140
141&ohci0 {
142 status = "okay";
143};
144
145&ohci1 {
146 status = "okay";
147};
148
Hans de Goede80e5f832016-03-14 17:37:09 +0100149&otg_sram {
150 status = "okay";
151};
152
Hans de Goede53ab4af2015-04-15 19:03:49 +0200153&pio {
154 ahci_pwr_pin_pcduino3_nano: ahci_pwr_pin@0 {
155 allwinner,pins = "PH2";
156 allwinner,function = "gpio_out";
157 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
158 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
159 };
160
161 led_pins_pcduino3_nano: led_pins@0 {
162 allwinner,pins = "PH16", "PH15";
163 allwinner,function = "gpio_out";
164 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
165 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
166 };
167
Hans de Goede80e5f832016-03-14 17:37:09 +0100168 usb0_id_detect_pin: usb0_id_detect_pin@0 {
169 allwinner,pins = "PH4";
170 allwinner,function = "gpio_in";
171 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
172 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
173 };
174
Hans de Goede53ab4af2015-04-15 19:03:49 +0200175 usb1_vbus_pin_pcduino3_nano: usb1_vbus_pin@0 {
Hans de Goede80e5f832016-03-14 17:37:09 +0100176 allwinner,pins = "PD2";
Hans de Goede53ab4af2015-04-15 19:03:49 +0200177 allwinner,function = "gpio_out";
178 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
179 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
180 };
181};
182
183&reg_ahci_5v {
184 pinctrl-0 = <&ahci_pwr_pin_pcduino3_nano>;
185 gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
186 status = "okay";
187};
188
Hans de Goede80e5f832016-03-14 17:37:09 +0100189#include "axp209.dtsi"
190
191&reg_dcdc2 {
192 regulator-always-on;
193 regulator-min-microvolt = <1000000>;
194 regulator-max-microvolt = <1400000>;
195 regulator-name = "vdd-cpu";
Hans de Goede53ab4af2015-04-15 19:03:49 +0200196};
197
Hans de Goede80e5f832016-03-14 17:37:09 +0100198&reg_dcdc3 {
199 regulator-always-on;
200 regulator-min-microvolt = <1000000>;
201 regulator-max-microvolt = <1400000>;
202 regulator-name = "vdd-int-pll";
203};
204
205&reg_ldo1 {
206 regulator-name = "vdd-rtc";
207};
208
209&reg_ldo2 {
210 regulator-always-on;
211 regulator-min-microvolt = <3000000>;
212 regulator-max-microvolt = <3000000>;
213 regulator-name = "avcc";
214};
215
216/* A single regulator (U24) powers both USB host ports. */
217&reg_usb1_vbus {
218 pinctrl-0 = <&usb1_vbus_pin_pcduino3_nano>;
219 gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
Hans de Goede53ab4af2015-04-15 19:03:49 +0200220 status = "okay";
221};
222
223&uart0 {
224 pinctrl-names = "default";
225 pinctrl-0 = <&uart0_pins_a>;
226 status = "okay";
227};
228
Hans de Goede80e5f832016-03-14 17:37:09 +0100229&usb_otg {
230 dr_mode = "otg";
231 status = "okay";
232};
233
Hans de Goede53ab4af2015-04-15 19:03:49 +0200234&usbphy {
Hans de Goede80e5f832016-03-14 17:37:09 +0100235 pinctrl-names = "default";
236 pinctrl-0 = <&usb0_id_detect_pin>;
237 usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
Hans de Goede53ab4af2015-04-15 19:03:49 +0200238 usb1_vbus-supply = <&reg_usb1_vbus>;
Hans de Goede80e5f832016-03-14 17:37:09 +0100239 usb2_vbus-supply = <&reg_usb1_vbus>;
Hans de Goede53ab4af2015-04-15 19:03:49 +0200240 status = "okay";
241};