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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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&reg_dcdc2 {
167	regulator-always-on;
168	regulator-min-microvolt = <1000000>;
169	regulator-max-microvolt = <1450000>;
170	regulator-name = "vdd-cpu";
171};
172
173&reg_dcdc3 {
174	regulator-always-on;
175	regulator-min-microvolt = <1000000>;
176	regulator-max-microvolt = <1400000>;
177	regulator-name = "vdd-int-dll";
178};
179
180&reg_ldo1 {
181	regulator-name = "vdd-rtc";
182};
183
184&reg_ldo2 {
185	regulator-always-on;
186	regulator-min-microvolt = <3000000>;
187	regulator-max-microvolt = <3000000>;
188	regulator-name = "avcc";
189};
190
191&reg_usb0_vbus {
192	status = "okay";
193};
194
195&reg_usb1_vbus {
196	status = "okay";
197};
198
199&reg_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 = <&reg_usb0_vbus>;
222	usb1_vbus-supply = <&reg_usb1_vbus>;
223	usb2_vbus-supply = <&reg_usb2_vbus>;
224	status = "okay";
225};