1/*
2 * Copyright 2015 Priit Laes
3 *
4 * Priit Laes <plaes@plaes.org>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 *  a) This file is free software; you can redistribute it and/or
12 *     modify it under the terms of the GNU General Public License as
13 *     published by the Free Software Foundation; either version 2 of the
14 *     License, or (at your option) any later version.
15 *
16 *     This file is distributed in the hope that it will be useful,
17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *     GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 *  b) Permission is hereby granted, free of charge, to any person
24 *     obtaining a copy of this software and associated documentation
25 *     files (the "Software"), to deal in the Software without
26 *     restriction, including without limitation the rights to use,
27 *     copy, modify, merge, publish, distribute, sublicense, and/or
28 *     sell copies of the Software, and to permit persons to whom the
29 *     Software is furnished to do so, subject to the following
30 *     conditions:
31 *
32 *     The above copyright notice and this permission notice shall be
33 *     included in all copies or substantial portions of the Software.
34 *
35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 *     OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45/dts-v1/;
46#include "sun4i-a10.dtsi"
47#include "sunxi-common-regulators.dtsi"
48#include <dt-bindings/gpio/gpio.h>
49#include <dt-bindings/input/input.h>
50
51/ {
52	model = "Gemei G9 Tablet";
53	compatible = "gemei,g9", "allwinner,sun4i-a10";
54
55	aliases {
56		serial0 = &uart0;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62};
63
64/*
65 * TODO:
66 *   2x cameras via CSI
67 *   bma250 IRQs
68 *   AXP battery management
69 *   NAND
70 *   OTG
71 *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
72 */
73
74&ehci0 {
75	status = "okay";
76};
77
78&ehci1 {
79	status = "okay";
80};
81
82&i2c0 {
83	pinctrl-names = "default";
84	pinctrl-0 = <&i2c0_pins_a>;
85	status = "okay";
86
87	axp209: pmic@34 {
88		compatible = "x-powers,axp209";
89		reg = <0x34>;
90		interrupts = <0>;
91
92		interrupt-controller;
93		#interrupt-cells = <1>;
94	};
95};
96
97&i2c1 {
98	pinctrl-names = "default";
99	pinctrl-0 = <&i2c1_pins_a>;
100	status = "okay";
101
102	/* Accelerometer */
103	bma250@18 {
104		compatible = "bosch,bma250";
105		reg = <0x18>;
106
107		/*
108		 * TODO: interrupt pins:
109		 * int1 - PH00
110		 * int2 - PI10
111		 */
112	};
113};
114
115&lradc {
116	vref-supply = <&reg_vcc3v0>;
117
118	status = "okay";
119
120	button@158 {
121		label = "Volume Down";
122		linux,code = <KEY_VOLUMEDOWN>;
123		channel = <0>;
124		voltage = <158730>;
125	};
126
127	button@349 {
128		label = "Volume Up";
129		linux,code = <KEY_VOLUMEUP>;
130		channel = <0>;
131		voltage = <349206>;
132	};
133
134	button@1142 {
135		label = "Esc";
136		linux,code = <KEY_ESC>;
137		channel = <0>;
138		voltage = <1142856>;
139	};
140};
141
142&mmc0 {
143	pinctrl-names = "default";
144	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
145	vmmc-supply = <&reg_vcc3v3>;
146	bus-width = <4>;
147	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH01 */
148	cd-inverted;
149	status = "okay";
150};
151
152&reg_usb1_vbus {
153	status = "okay";
154};
155
156&reg_usb2_vbus {
157	status = "okay";
158};
159
160
161&uart0  {
162	pinctrl-names = "default";
163	pinctrl-0 = <&uart0_pins_a>;
164	status = "okay";
165};
166
167&usbphy {
168	usb1_vbus-supply = <&reg_usb1_vbus>;
169	usb2_vbus-supply = <&reg_usb2_vbus>;
170	status = "okay";
171};
172