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 *     You should have received a copy of the GNU General Public
22 *     License along with this file; if not, write to the Free
23 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
24 *     MA 02110-1301 USA
25 *
26 * Or, alternatively,
27 *
28 *  b) Permission is hereby granted, free of charge, to any person
29 *     obtaining a copy of this software and associated documentation
30 *     files (the "Software"), to deal in the Software without
31 *     restriction, including without limitation the rights to use,
32 *     copy, modify, merge, publish, distribute, sublicense, and/or
33 *     sell copies of the Software, and to permit persons to whom the
34 *     Software is furnished to do so, subject to the following
35 *     conditions:
36 *
37 *     The above copyright notice and this permission notice shall be
38 *     included in all copies or substantial portions of the Software.
39 *
40 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
41 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
42 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
43 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
44 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
45 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
46 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
47 *     OTHER DEALINGS IN THE SOFTWARE.
48 */
49
50/dts-v1/;
51#include "sun4i-a10.dtsi"
52#include "sunxi-common-regulators.dtsi"
53#include <dt-bindings/gpio/gpio.h>
54#include <dt-bindings/input/input.h>
55
56/ {
57	model = "Gemei G9 Tablet";
58	compatible = "gemei,g9", "allwinner,sun4i-a10";
59
60	aliases {
61		serial0 = &uart0;
62	};
63
64	chosen {
65		stdout-path = "serial0:115200n8";
66	};
67};
68
69/*
70 * TODO:
71 *   2x cameras via CSI
72 *   bma250 IRQs
73 *   AXP battery management
74 *   NAND
75 *   OTG
76 *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
77 */
78
79&ehci0 {
80	status = "okay";
81};
82
83&ehci1 {
84	status = "okay";
85};
86
87&i2c0 {
88	pinctrl-names = "default";
89	pinctrl-0 = <&i2c0_pins_a>;
90	status = "okay";
91
92	axp209: pmic@34 {
93		compatible = "x-powers,axp209";
94		reg = <0x34>;
95		interrupts = <0>;
96
97		interrupt-controller;
98		#interrupt-cells = <1>;
99	};
100};
101
102&i2c1 {
103	pinctrl-names = "default";
104	pinctrl-0 = <&i2c1_pins_a>;
105	status = "okay";
106
107	/* Accelerometer */
108	bma250@18 {
109		compatible = "bosch,bma250";
110		reg = <0x18>;
111
112		/*
113		 * TODO: interrupt pins:
114		 * int1 - PH00
115		 * int2 - PI10
116		 */
117	};
118};
119
120&lradc {
121	vref-supply = <&reg_vcc3v0>;
122
123	status = "okay";
124
125	button@158 {
126		label = "Volume Down";
127		linux,code = <KEY_VOLUMEDOWN>;
128		channel = <0>;
129		voltage = <158730>;
130	};
131
132	button@349 {
133		label = "Volume Up";
134		linux,code = <KEY_VOLUMEUP>;
135		channel = <0>;
136		voltage = <349206>;
137	};
138
139	button@1142 {
140		label = "Esc";
141		linux,code = <KEY_ESC>;
142		channel = <0>;
143		voltage = <1142856>;
144	};
145};
146
147&mmc0 {
148	pinctrl-names = "default";
149	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
150	vmmc-supply = <&reg_vcc3v3>;
151	bus-width = <4>;
152	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH01 */
153	cd-inverted;
154	status = "okay";
155};
156
157&reg_usb1_vbus {
158	status = "okay";
159};
160
161&reg_usb2_vbus {
162	status = "okay";
163};
164
165
166&uart0  {
167	pinctrl-names = "default";
168	pinctrl-0 = <&uart0_pins_a>;
169	status = "okay";
170};
171
172&usbphy {
173	usb1_vbus-supply = <&reg_usb1_vbus>;
174	usb2_vbus-supply = <&reg_usb2_vbus>;
175	status = "okay";
176};
177