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#include <dt-bindings/interrupt-controller/irq.h>
51
52/ {
53	model = "Gemei G9 Tablet";
54	compatible = "gemei,g9", "allwinner,sun4i-a10";
55
56	aliases {
57		serial0 = &uart0;
58	};
59
60	chosen {
61		stdout-path = "serial0:115200n8";
62	};
63};
64
65/*
66 * TODO:
67 *   2x cameras via CSI
68 *   audio
69 *   AXP battery management
70 *   NAND
71 *   OTG
72 *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
73 */
74
75&ehci0 {
76	status = "okay";
77};
78
79&ehci1 {
80	status = "okay";
81};
82
83&i2c0 {
84	pinctrl-names = "default";
85	pinctrl-0 = <&i2c0_pins_a>;
86	status = "okay";
87
88	axp209: pmic@34 {
89		compatible = "x-powers,axp209";
90		reg = <0x34>;
91		interrupts = <0>;
92
93		interrupt-controller;
94		#interrupt-cells = <1>;
95	};
96};
97
98&i2c1 {
99	pinctrl-names = "default";
100	pinctrl-0 = <&i2c1_pins_a>;
101	status = "okay";
102
103	/* Accelerometer */
104	bma250@18 {
105		compatible = "bosch,bma250";
106		reg = <0x18>;
107		interrupt-parent = <&pio>;
108		interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH00 / EINT0 */
109	};
110};
111
112&lradc {
113	vref-supply = <&reg_vcc3v0>;
114
115	status = "okay";
116
117	button@158 {
118		label = "Volume Down";
119		linux,code = <KEY_VOLUMEDOWN>;
120		channel = <0>;
121		voltage = <158730>;
122	};
123
124	button@349 {
125		label = "Volume Up";
126		linux,code = <KEY_VOLUMEUP>;
127		channel = <0>;
128		voltage = <349206>;
129	};
130
131	button@1142 {
132		label = "Esc";
133		linux,code = <KEY_ESC>;
134		channel = <0>;
135		voltage = <1142856>;
136	};
137};
138
139&mmc0 {
140	pinctrl-names = "default";
141	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
142	vmmc-supply = <&reg_vcc3v3>;
143	bus-width = <4>;
144	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH01 */
145	cd-inverted;
146	status = "okay";
147};
148
149&reg_usb1_vbus {
150	status = "okay";
151};
152
153&reg_usb2_vbus {
154	status = "okay";
155};
156
157
158&uart0  {
159	pinctrl-names = "default";
160	pinctrl-0 = <&uart0_pins_a>;
161	status = "okay";
162};
163
164&usbphy {
165	usb1_vbus-supply = <&reg_usb1_vbus>;
166	usb2_vbus-supply = <&reg_usb2_vbus>;
167	status = "okay";
168};
169