1 /*
2 * Copyright 2015 Aleksei Mamlin
3 * Aleksei Mamlin <mamlinav@gmail.com>
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 * a) This file is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or (at your option) any later version.
14 *
15 * This file is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 * b) Permission is hereby granted, free of charge, to any person
23 * obtaining a copy of this software and associated documentation
24 * files (the "Software"), to deal in the Software without
25 * restriction, including without limitation the rights to use,
26 * copy, modify, merge, publish, distribute, sublicense, and/or
27 * sell copies of the Software, and to permit persons to whom the
28 * Software is furnished to do so, subject to the following
29 * conditions:
30 *
31 * The above copyright notice and this permission notice shall be
32 * included in all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 * OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44 /dts-v1/;
45 #include "sun7i-a20.dtsi"
46 #include "sunxi-common-regulators.dtsi"
47
48 #include <dt-bindings/gpio/gpio.h>
49 #include <dt-bindings/input/input.h>
50 #include <dt-bindings/interrupt-controller/irq.h>
51 #include <dt-bindings/pwm/pwm.h>
52
53 / {
54 model = "Wexler TAB7200";
55 compatible = "wexler,tab7200", "allwinner,sun7i-a20";
56
57 aliases {
58 serial0 = &uart0;
59 };
60
61 backlight {
62 compatible = "pwm-backlight";
63 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
64 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
65 default-brightness-level = <8>;
66 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
67 power-supply = <®_vcc3v3>;
68 };
69
70 chosen {
71 stdout-path = "serial0:115200n8";
72 };
73 };
74
75 &codec {
76 allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
77 status = "okay";
78 };
79
80 &cpu0 {
81 cpu-supply = <®_dcdc2>;
82 };
83
84 &ehci0 {
85 status = "okay";
86 };
87
88 &ehci1 {
89 status = "okay";
90 };
91
92 &i2c0 {
93 status = "okay";
94
95 axp209: pmic@34 {
96 reg = <0x34>;
97 interrupt-parent = <&nmi_intc>;
98 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
99 };
100 };
101
102 #include "axp209.dtsi"
103
104 &i2c1 {
105 status = "okay";
106 };
107
108 &i2c2 {
109 status = "okay";
110
111 gt911: touchscreen@5d {
112 compatible = "goodix,gt911";
113 reg = <0x5d>;
114 interrupt-parent = <&pio>;
115 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
116 irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
117 reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
118 touchscreen-swapped-x-y;
119 };
120 };
121
122 &lradc {
123 vref-supply = <®_vcc3v0>;
124 status = "okay";
125
126 button-571 {
127 label = "Volume Up";
128 linux,code = <KEY_VOLUMEUP>;
129 channel = <0>;
130 voltage = <571428>;
131 };
132
133 button-761 {
134 label = "Volume Down";
135 linux,code = <KEY_VOLUMEDOWN>;
136 channel = <0>;
137 voltage = <761904>;
138 };
139 };
140
141 &mmc0 {
142 vmmc-supply = <®_vcc3v3>;
143 bus-width = <4>;
144 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
145 status = "okay";
146 };
147
148 &ohci0 {
149 status = "okay";
150 };
151
152 &ohci1 {
153 status = "okay";
154 };
155
156 &otg_sram {
157 status = "okay";
158 };
159
160 &pwm {
161 pinctrl-names = "default";
162 pinctrl-0 = <&pwm0_pin>;
163 status = "okay";
164 };
165
166 ®_dcdc2 {
167 regulator-always-on;
168 regulator-min-microvolt = <1000000>;
169 regulator-max-microvolt = <1450000>;
170 regulator-name = "vdd-cpu";
171 };
172
173 ®_dcdc3 {
174 regulator-always-on;
175 regulator-min-microvolt = <1000000>;
176 regulator-max-microvolt = <1400000>;
177 regulator-name = "vdd-int-dll";
178 };
179
180 ®_ldo1 {
181 regulator-name = "vdd-rtc";
182 };
183
184 ®_ldo2 {
185 regulator-always-on;
186 regulator-min-microvolt = <3000000>;
187 regulator-max-microvolt = <3000000>;
188 regulator-name = "avcc";
189 };
190
191 ®_usb0_vbus {
192 status = "okay";
193 };
194
195 ®_usb1_vbus {
196 status = "okay";
197 };
198
199 ®_usb2_vbus {
200 status = "okay";
201 };
202
203 &uart0 {
204 pinctrl-names = "default";
205 pinctrl-0 = <&uart0_pb_pins>;
206 status = "okay";
207 };
208
209 &usb_otg {
210 dr_mode = "otg";
211 status = "okay";
212 };
213
214 &usb_power_supply {
215 status = "okay";
216 };
217
218 &usbphy {
219 usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
220 usb0_vbus_power-supply = <&usb_power_supply>;
221 usb0_vbus-supply = <®_usb0_vbus>;
222 usb1_vbus-supply = <®_usb1_vbus>;
223 usb2_vbus-supply = <®_usb2_vbus>;
224 status = "okay";
225 };
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