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-handle = <&phy1>;
118	phy-mode = "rgmii";
119	status = "okay";
120};
121
122&hdmi {
123	status = "okay";
124};
125
126&hdmi_out {
127	hdmi_out_con: endpoint {
128		remote-endpoint = <&hdmi_con_in>;
129	};
130};
131
132&i2c0 {
133	status = "okay";
134
135	axp209: pmic@34 {
136		reg = <0x34>;
137		interrupt-parent = <&nmi_intc>;
138		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
139	};
140};
141
142&ir0 {
143	pinctrl-names = "default";
144	pinctrl-0 = <&ir0_rx_pin>;
145	status = "okay";
146};
147
148&gmac_mdio {
149	phy1: ethernet-phy@1 {
150		reg = <1>;
151	};
152};
153
154&mmc0 {
155	vmmc-supply = <&reg_vcc3v3>;
156	bus-width = <4>;
157	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
158	status = "okay";
159};
160
161&ohci0 {
162	status = "okay";
163};
164
165&ohci1 {
166	status = "okay";
167};
168
169&otg_sram {
170	status = "okay";
171};
172
173&reg_ahci_5v {
174	gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
175	status = "okay";
176};
177
178#include "axp209.dtsi"
179
180&reg_dcdc2 {
181	regulator-always-on;
182	regulator-min-microvolt = <1000000>;
183	regulator-max-microvolt = <1400000>;
184	regulator-name = "vdd-cpu";
185};
186
187&reg_dcdc3 {
188	regulator-always-on;
189	regulator-min-microvolt = <1000000>;
190	regulator-max-microvolt = <1400000>;
191	regulator-name = "vdd-int-pll";
192};
193
194&reg_ldo1 {
195	regulator-name = "vdd-rtc";
196};
197
198&reg_ldo2 {
199	regulator-always-on;
200	regulator-min-microvolt = <3000000>;
201	regulator-max-microvolt = <3000000>;
202	regulator-name = "avcc";
203};
204
205/* A single regulator (U24) powers both USB host ports. */
206&reg_usb1_vbus {
207	gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
208	status = "okay";
209};
210
211&uart0 {
212	pinctrl-names = "default";
213	pinctrl-0 = <&uart0_pb_pins>;
214	status = "okay";
215};
216
217&usb_otg {
218	dr_mode = "otg";
219	status = "okay";
220};
221
222&usbphy {
223	usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
224	usb1_vbus-supply = <&reg_usb1_vbus>;
225	usb2_vbus-supply = <&reg_usb1_vbus>;
226	status = "okay";
227};