xref: /linux/arch/arm/boot/dts/allwinner/sun4i-a10-gemei-g9.dts (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
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 *   AXP battery management
69 *   NAND
70 *   OTG
71 *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
72 */
73&codec {
74	/* PH15 controls power to external amplifier (ft2012q) */
75	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>;
76	status = "okay";
77};
78
79&cpu0 {
80	cpu-supply = <&reg_dcdc2>;
81};
82
83&ehci0 {
84	status = "okay";
85};
86
87&ehci1 {
88	status = "okay";
89};
90
91&i2c0 {
92	status = "okay";
93
94	axp209: pmic@34 {
95		reg = <0x34>;
96		interrupts = <0>;
97	};
98};
99
100#include "axp209.dtsi"
101
102&i2c1 {
103	status = "okay";
104
105	/* Accelerometer */
106	bma250@18 {
107		compatible = "bosch,bma250";
108		reg = <0x18>;
109		interrupt-parent = <&pio>;
110		interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH00 / EINT0 */
111	};
112};
113
114&lradc {
115	vref-supply = <&reg_ldo2>;
116
117	status = "okay";
118
119	button-158 {
120		label = "Volume Down";
121		linux,code = <KEY_VOLUMEDOWN>;
122		channel = <0>;
123		voltage = <158730>;
124	};
125
126	button-349 {
127		label = "Volume Up";
128		linux,code = <KEY_VOLUMEUP>;
129		channel = <0>;
130		voltage = <349206>;
131	};
132
133	button-1142 {
134		label = "Esc";
135		linux,code = <KEY_ESC>;
136		channel = <0>;
137		voltage = <1142856>;
138	};
139};
140
141&mmc0 {
142	vmmc-supply = <&reg_vcc3v3>;
143	bus-width = <4>;
144	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH01 */
145	status = "okay";
146};
147
148&reg_dcdc2 {
149	regulator-always-on;
150	regulator-min-microvolt = <1000000>;
151	regulator-max-microvolt = <1400000>;
152	regulator-name = "vdd-cpu";
153};
154
155&reg_dcdc3 {
156	regulator-always-on;
157	regulator-min-microvolt = <1250000>;
158	regulator-max-microvolt = <1250000>;
159	regulator-name = "vdd-int-dll";
160};
161
162&reg_ldo1 {
163	regulator-name = "vdd-rtc";
164};
165
166&reg_ldo2 {
167	regulator-always-on;
168	regulator-min-microvolt = <3000000>;
169	regulator-max-microvolt = <3000000>;
170	regulator-name = "avcc";
171};
172
173&reg_usb1_vbus {
174	status = "okay";
175};
176
177&reg_usb2_vbus {
178	status = "okay";
179};
180
181
182&uart0  {
183	pinctrl-names = "default";
184	pinctrl-0 = <&uart0_pb_pins>;
185	status = "okay";
186};
187
188&usbphy {
189	usb1_vbus-supply = <&reg_usb1_vbus>;
190	usb2_vbus-supply = <&reg_usb2_vbus>;
191	status = "okay";
192};
193