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		pinctrl-names = "default";
 75		pinctrl-0 = <&led_pins_pcduino3_nano>;
 76
 77		/* Marked "LED3" on the PCB. */
 78		usr1 {
 79			label = "pcduino3-nano:green:usr1";
 80			gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */
 81		};
 82
 83		/* Marked "LED4" on the PCB. */
 84		usr2 {
 85			label = "pcduino3-nano:green:usr2";
 86			gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */
 87		};
 88	};
 89};
 90
 91&ahci {
 92	target-supply = <&reg_ahci_5v>;
 93	status = "okay";
 94};
 95
 96&codec {
 97	status = "okay";
 98};
 99
100&cpu0 {
101	cpu-supply = <&reg_dcdc2>;
102};
103
104&de {
105	status = "okay";
106};
107
108&ehci0 {
109	status = "okay";
110};
111
112&ehci1 {
113	status = "okay";
114};
115
116&gmac {
117	pinctrl-names = "default";
118	pinctrl-0 = <&gmac_pins_rgmii_a>;
119	phy = <&phy1>;
120	phy-mode = "rgmii";
121	status = "okay";
122
123	phy1: ethernet-phy@1 {
124		reg = <1>;
125	};
126};
127
128&hdmi {
129	status = "okay";
130};
131
132&hdmi_out {
133	hdmi_out_con: endpoint {
134		remote-endpoint = <&hdmi_con_in>;
135	};
136};
137
138&i2c0 {
139	pinctrl-names = "default";
140	pinctrl-0 = <&i2c0_pins_a>;
141	status = "okay";
142
143	axp209: pmic@34 {
144		reg = <0x34>;
145		interrupt-parent = <&nmi_intc>;
146		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
147	};
148};
149
150&ir0 {
151	pinctrl-names = "default";
152	pinctrl-0 = <&ir0_rx_pins_a>;
153	status = "okay";
154};
155
156&mmc0 {
157	pinctrl-names = "default";
158	pinctrl-0 = <&mmc0_pins_a>;
159	vmmc-supply = <&reg_vcc3v3>;
160	bus-width = <4>;
161	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
162	status = "okay";
163};
164
165&ohci0 {
166	status = "okay";
167};
168
169&ohci1 {
170	status = "okay";
171};
172
173&otg_sram {
174	status = "okay";
175};
176
177&pio {
178	ahci_pwr_pin_pcduino3_nano: ahci_pwr_pin@0 {
179		pins = "PH2";
180		function = "gpio_out";
181	};
182
183	led_pins_pcduino3_nano: led_pins@0 {
184		pins = "PH16", "PH15";
185		function = "gpio_out";
186	};
187
188	usb0_id_detect_pin: usb0_id_detect_pin@0 {
189		pins = "PH4";
190		function = "gpio_in";
191		bias-pull-up;
192	};
193
194	usb1_vbus_pin_pcduino3_nano: usb1_vbus_pin@0 {
195		pins = "PD2";
196		function = "gpio_out";
197	};
198};
199
200&reg_ahci_5v {
201	pinctrl-0 = <&ahci_pwr_pin_pcduino3_nano>;
202	gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
203	status = "okay";
204};
205
206#include "axp209.dtsi"
207
208&reg_dcdc2 {
209	regulator-always-on;
210	regulator-min-microvolt = <1000000>;
211	regulator-max-microvolt = <1400000>;
212	regulator-name = "vdd-cpu";
213};
214
215&reg_dcdc3 {
216	regulator-always-on;
217	regulator-min-microvolt = <1000000>;
218	regulator-max-microvolt = <1400000>;
219	regulator-name = "vdd-int-pll";
220};
221
222&reg_ldo1 {
223	regulator-name = "vdd-rtc";
224};
225
226&reg_ldo2 {
227	regulator-always-on;
228	regulator-min-microvolt = <3000000>;
229	regulator-max-microvolt = <3000000>;
230	regulator-name = "avcc";
231};
232
233/* A single regulator (U24) powers both USB host ports. */
234&reg_usb1_vbus {
235	pinctrl-0 = <&usb1_vbus_pin_pcduino3_nano>;
236	gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
237	status = "okay";
238};
239
240&uart0 {
241	pinctrl-names = "default";
242	pinctrl-0 = <&uart0_pins_a>;
243	status = "okay";
244};
245
246&usb_otg {
247	dr_mode = "otg";
248	status = "okay";
249};
250
251&usbphy {
252	pinctrl-names = "default";
253	pinctrl-0 = <&usb0_id_detect_pin>;
254	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
255	usb1_vbus-supply = <&reg_usb1_vbus>;
256	usb2_vbus-supply = <&reg_usb1_vbus>;
257	status = "okay";
258};