1 /*
2 * Copyright 2015 Priit Laes
3 *
4 * Priit Laes <plaes@plaes.org>
5 *
6 * This file is dual-licensed: you can use it
7 * of the GPL or the X11 license, at your opti
8 * licensing only applies to this file, and no
9 * whole.
10 *
11 * a) This file is free software; you can red
12 * modify it under the terms of the GNU Ge
13 * published by the Free Software Foundati
14 * License, or (at your option) any later
15 *
16 * This file is distributed in the hope th
17 * but WITHOUT ANY WARRANTY; without even
18 * MERCHANTABILITY or FITNESS FOR A PARTIC
19 * GNU General Public License for more det
20 *
21 * Or, alternatively,
22 *
23 * b) Permission is hereby granted, free of c
24 * obtaining a copy of this software and a
25 * files (the "Software"), to deal in the
26 * restriction, including without limitati
27 * copy, modify, merge, publish, distribut
28 * sell copies of the Software, and to per
29 * Software is furnished to do so, subject
30 * conditions:
31 *
32 * The above copyright notice and this per
33 * included in all copies or substantial p
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHO
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT L
37 * OF MERCHANTABILITY, FITNESS FOR A PARTI
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGE
40 * WHETHER IN AN ACTION OF CONTRACT, TORT
41 * FROM, OUT OF OR IN CONNECTION WITH THE
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
51
52 / {
53 model = "Gemei G9 Tablet";
54 compatible = "gemei,g9", "allwinner,su
55
56 aliases {
57 serial0 = &uart0;
58 };
59
60 chosen {
61 stdout-path = "serial0:115200n
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
72 */
73 &codec {
74 /* PH15 controls power to external amp
75 allwinner,pa-gpios = <&pio 7 15 GPIO_A
76 status = "okay";
77 };
78
79 &cpu0 {
80 cpu-supply = <®_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_EDG
111 };
112 };
113
114 &lradc {
115 vref-supply = <®_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 = <®_vcc3v3>;
143 bus-width = <4>;
144 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
145 status = "okay";
146 };
147
148 ®_dcdc2 {
149 regulator-always-on;
150 regulator-min-microvolt = <1000000>;
151 regulator-max-microvolt = <1400000>;
152 regulator-name = "vdd-cpu";
153 };
154
155 ®_dcdc3 {
156 regulator-always-on;
157 regulator-min-microvolt = <1250000>;
158 regulator-max-microvolt = <1250000>;
159 regulator-name = "vdd-int-dll";
160 };
161
162 ®_ldo1 {
163 regulator-name = "vdd-rtc";
164 };
165
166 ®_ldo2 {
167 regulator-always-on;
168 regulator-min-microvolt = <3000000>;
169 regulator-max-microvolt = <3000000>;
170 regulator-name = "avcc";
171 };
172
173 ®_usb1_vbus {
174 status = "okay";
175 };
176
177 ®_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 = <®_usb1_vbus>;
190 usb2_vbus-supply = <®_usb2_vbus>;
191 status = "okay";
192 };
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