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	};
68
69	chosen {
70		stdout-path = "serial0:115200n8";
71	};
72};
73
74&codec {
75	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
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		interrupt-parent = <&nmi_intc>;
97		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
98	};
99};
100
101#include "axp209.dtsi"
102
103&i2c1 {
104	status = "okay";
105};
106
107&i2c2 {
108	status = "okay";
109
110	gt911: touchscreen@5d {
111		compatible = "goodix,gt911";
112		reg = <0x5d>;
113		interrupt-parent = <&pio>;
114		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
115		irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
116		reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
117		touchscreen-swapped-x-y;
118	};
119};
120
121&lradc {
122	vref-supply = <&reg_vcc3v0>;
123	status = "okay";
124
125	button-571 {
126		label = "Volume Up";
127		linux,code = <KEY_VOLUMEUP>;
128		channel = <0>;
129		voltage = <571428>;
130	};
131
132	button-761 {
133		label = "Volume Down";
134		linux,code = <KEY_VOLUMEDOWN>;
135		channel = <0>;
136		voltage = <761904>;
137	};
138};
139
140&mmc0 {
141	vmmc-supply = <&reg_vcc3v3>;
142	bus-width = <4>;
143	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
144	status = "okay";
145};
146
147&ohci0 {
148	status = "okay";
149};
150
151&ohci1 {
152	status = "okay";
153};
154
155&otg_sram {
156	status = "okay";
157};
158
159&pio {
160	usb0_id_detect_pin: usb0-id-detect-pin {
161		pins = "PH4";
162		function = "gpio_in";
163		bias-pull-up;
164	};
165};
166
167&pwm {
168	pinctrl-names = "default";
169	pinctrl-0 = <&pwm0_pin>;
170	status = "okay";
171};
172
173&reg_dcdc2 {
174	regulator-always-on;
175	regulator-min-microvolt = <1000000>;
176	regulator-max-microvolt = <1450000>;
177	regulator-name = "vdd-cpu";
178};
179
180&reg_dcdc3 {
181	regulator-always-on;
182	regulator-min-microvolt = <1000000>;
183	regulator-max-microvolt = <1400000>;
184	regulator-name = "vdd-int-dll";
185};
186
187&reg_ldo1 {
188	regulator-name = "vdd-rtc";
189};
190
191&reg_ldo2 {
192	regulator-always-on;
193	regulator-min-microvolt = <3000000>;
194	regulator-max-microvolt = <3000000>;
195	regulator-name = "avcc";
196};
197
198&reg_usb0_vbus {
199	status = "okay";
200};
201
202&reg_usb1_vbus {
203	status = "okay";
204};
205
206&reg_usb2_vbus {
207	status = "okay";
208};
209
210&uart0 {
211	pinctrl-names = "default";
212	pinctrl-0 = <&uart0_pb_pins>;
213	status = "okay";
214};
215
216&usb_otg {
217	dr_mode = "otg";
218	status = "okay";
219};
220
221&usb_power_supply {
222	status = "okay";
223};
224
225&usbphy {
226	pinctrl-names = "default";
227	pinctrl-0 = <&usb0_id_detect_pin>;
228	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
229	usb0_vbus_power-supply = <&usb_power_supply>;
230	usb0_vbus-supply = <&reg_usb0_vbus>;
231	usb1_vbus-supply = <&reg_usb1_vbus>;
232	usb2_vbus-supply = <&reg_usb2_vbus>;
233	status = "okay";
234};
235