1/*
2 * Copyright 2015 Free Electrons
3 * Copyright 2015 NextThing Co
4 *
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
6 *
7 * This file is dual-licensed: you can use it either under the terms
8 * of the GPL or the X11 license, at your option. Note that this dual
9 * licensing only applies to this file, and not this project as a
10 * whole.
11 *
12 *  a) This file is free software; you can redistribute it and/or
13 *     modify it under the terms of the GNU General Public License as
14 *     published by the Free Software Foundation; either version 2 of the
15 *     License, or (at your option) any later version.
16 *
17 *     This file is distributed in the hope that it will be useful,
18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 *     GNU General Public License for more details.
21 *
22 * Or, alternatively,
23 *
24 *  b) Permission is hereby granted, free of charge, to any person
25 *     obtaining a copy of this software and associated documentation
26 *     files (the "Software"), to deal in the Software without
27 *     restriction, including without limitation the rights to use,
28 *     copy, modify, merge, publish, distribute, sublicense, and/or
29 *     sell copies of the Software, and to permit persons to whom the
30 *     Software is furnished to do so, subject to the following
31 *     conditions:
32 *
33 *     The above copyright notice and this permission notice shall be
34 *     included in all copies or substantial portions of the Software.
35 *
36 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
43 *     OTHER DEALINGS IN THE SOFTWARE.
44 */
45
46/dts-v1/;
47#include "sun5i-r8.dtsi"
48#include "sunxi-common-regulators.dtsi"
49
50#include <dt-bindings/gpio/gpio.h>
51#include <dt-bindings/interrupt-controller/irq.h>
52
53/ {
54	model = "NextThing C.H.I.P.";
55	compatible = "nextthing,chip", "allwinner,sun5i-r8";
56
57	aliases {
58		i2c0 = &i2c0;
59		i2c2 = &i2c2;
60		serial0 = &uart1;
61		serial1 = &uart3;
62	};
63
64	chosen {
65		stdout-path = "serial0:115200n8";
66	};
67};
68
69&codec {
70	status = "okay";
71};
72
73&ehci0 {
74	status = "okay";
75};
76
77&i2c0 {
78	pinctrl-names = "default";
79	pinctrl-0 = <&i2c0_pins_a>;
80	status = "okay";
81
82	axp209: pmic@34 {
83		reg = <0x34>;
84
85		/*
86		 * The interrupt is routed through the "External Fast
87		 * Interrupt Request" pin (ball G13 of the module)
88		 * directly to the main interrupt controller, without
89		 * any other controller interfering.
90		 */
91		interrupts = <0>;
92	};
93};
94
95#include "axp209.dtsi"
96
97&i2c2 {
98	pinctrl-names = "default";
99	pinctrl-0 = <&i2c2_pins_a>;
100	status = "okay";
101
102	xio: gpio@38 {
103		compatible = "nxp,pcf8574a";
104		reg = <0x38>;
105
106		gpio-controller;
107		#gpio-cells = <2>;
108
109		interrupt-parent = <&pio>;
110		interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
111		interrupt-controller;
112		#interrupt-cells = <2>;
113	};
114};
115
116&mmc0 {
117	pinctrl-names = "default";
118	pinctrl-0 = <&mmc0_pins_a>;
119	vmmc-supply = <&reg_vcc3v3>;
120	bus-width = <4>;
121	non-removable;
122	status = "okay";
123};
124
125&ohci0 {
126	status = "okay";
127};
128
129&otg_sram {
130	status = "okay";
131};
132
133&pio {
134	chip_vbus_pin: chip_vbus_pin@0 {
135		allwinner,pins = "PB10";
136		allwinner,function = "gpio_out";
137		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
138		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
139	};
140
141	chip_id_det_pin: chip_id_det_pin@0 {
142		allwinner,pins = "PG2";
143		allwinner,function = "gpio_in";
144		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
145		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
146	};
147};
148
149&reg_dcdc2 {
150	regulator-min-microvolt = <1000000>;
151	regulator-max-microvolt = <1400000>;
152	regulator-name = "cpuvdd";
153	regulator-always-on;
154};
155
156&reg_dcdc3 {
157	regulator-min-microvolt = <1000000>;
158	regulator-max-microvolt = <1300000>;
159	regulator-name = "corevdd";
160	regulator-always-on;
161};
162
163&reg_ldo1 {
164	regulator-name = "rtcvdd";
165};
166
167&reg_ldo2 {
168	regulator-min-microvolt = <2700000>;
169	regulator-max-microvolt = <3300000>;
170	regulator-name = "avcc";
171	regulator-always-on;
172};
173
174&reg_ldo5 {
175	regulator-min-microvolt = <1800000>;
176	regulator-max-microvolt = <1800000>;
177	regulator-name = "vcc-1v8";
178};
179
180&reg_usb0_vbus {
181	pinctrl-0 = <&chip_vbus_pin>;
182	vin-supply = <&reg_vcc5v0>;
183	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
184	status = "okay";
185};
186
187&uart1 {
188	pinctrl-names = "default";
189	pinctrl-0 = <&uart1_pins_b>;
190	status = "okay";
191};
192
193&uart3 {
194	pinctrl-names = "default";
195	pinctrl-0 = <&uart3_pins_a>,
196		    <&uart3_pins_cts_rts_a>;
197	status = "okay";
198};
199
200&usb_otg {
201	dr_mode = "otg";
202	status = "okay";
203};
204
205&usb_power_supply {
206	status = "okay";
207};
208
209&usbphy {
210	pinctrl-names = "default";
211	pinctrl-0 = <&chip_id_det_pin>;
212	status = "okay";
213
214	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
215	usb0_vbus_power-supply = <&usb_power_supply>;
216	usb0_vbus-supply = <&reg_usb0_vbus>;
217	usb1_vbus-supply = <&reg_vcc5v0>;
218};
219