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		pinctrl-names = "default";
 67		pinctrl-0 = <&bl_enable_pin>;
 68		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
 69	};
 70
 71	chosen {
 72		stdout-path = "serial0:115200n8";
 73	};
 74};
 75
 76&codec {
 77	pinctrl-names = "default";
 78	pinctrl-0 = <&codec_pa_pin>;
 79	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
 80	status = "okay";
 81};
 82
 83&cpu0 {
 84	cpu-supply = <&reg_dcdc2>;
 85};
 86
 87&ehci0 {
 88	status = "okay";
 89};
 90
 91&ehci1 {
 92	status = "okay";
 93};
 94
 95&i2c0 {
 96	pinctrl-names = "default";
 97	pinctrl-0 = <&i2c0_pins_a>;
 98	status = "okay";
 99
100	axp209: pmic@34 {
101		reg = <0x34>;
102		interrupt-parent = <&nmi_intc>;
103		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
104	};
105};
106
107#include "axp209.dtsi"
108
109&i2c1 {
110	pinctrl-names = "default";
111	pinctrl-0 = <&i2c1_pins_a>;
112	status = "okay";
113};
114
115&i2c2 {
116	pinctrl-names = "default";
117	pinctrl-0 = <&i2c2_pins_a>;
118	status = "okay";
119
120	gt911: touchscreen@5d {
121		compatible = "goodix,gt911";
122		reg = <0x5d>;
123		interrupt-parent = <&pio>;
124		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
125		pinctrl-names = "default";
126		pinctrl-0 = <&ts_reset_pin>;
127		irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
128		reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
129		touchscreen-swapped-x-y;
130	};
131};
132
133&lradc {
134	vref-supply = <&reg_vcc3v0>;
135	status = "okay";
136
137	button@571 {
138		label = "Volume Up";
139		linux,code = <KEY_VOLUMEUP>;
140		channel = <0>;
141		voltage = <571428>;
142	};
143
144	button@761 {
145		label = "Volume Down";
146		linux,code = <KEY_VOLUMEDOWN>;
147		channel = <0>;
148		voltage = <761904>;
149	};
150};
151
152&mmc0 {
153	pinctrl-names = "default";
154	pinctrl-0 = <&mmc0_pins_a>;
155	vmmc-supply = <&reg_vcc3v3>;
156	bus-width = <4>;
157	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
158	status = "okay";
159};
160
161&ohci0 {
162	status = "okay";
163};
164
165&ohci1 {
166	status = "okay";
167};
168
169&otg_sram {
170	status = "okay";
171};
172
173&pio {
174	bl_enable_pin: bl_enable_pin@0 {
175		pins = "PH7";
176		function = "gpio_out";
177	};
178
179	codec_pa_pin: codec_pa_pin@0 {
180		pins = "PH15";
181		function = "gpio_out";
182	};
183
184	ts_reset_pin: ts_reset_pin@0 {
185		pins = "PB13";
186		function = "gpio_out";
187	};
188
189	usb0_id_detect_pin: usb0_id_detect_pin@0 {
190		pins = "PH4";
191		function = "gpio_in";
192		bias-pull-up;
193	};
194};
195
196&pwm {
197	pinctrl-names = "default";
198	pinctrl-0 = <&pwm0_pins_a>;
199	status = "okay";
200};
201
202&reg_dcdc2 {
203	regulator-always-on;
204	regulator-min-microvolt = <1000000>;
205	regulator-max-microvolt = <1450000>;
206	regulator-name = "vdd-cpu";
207};
208
209&reg_dcdc3 {
210	regulator-always-on;
211	regulator-min-microvolt = <1000000>;
212	regulator-max-microvolt = <1400000>;
213	regulator-name = "vdd-int-dll";
214};
215
216&reg_ldo1 {
217	regulator-name = "vdd-rtc";
218};
219
220&reg_ldo2 {
221	regulator-always-on;
222	regulator-min-microvolt = <3000000>;
223	regulator-max-microvolt = <3000000>;
224	regulator-name = "avcc";
225};
226
227&reg_usb0_vbus {
228	status = "okay";
229};
230
231&reg_usb1_vbus {
232	status = "okay";
233};
234
235&reg_usb2_vbus {
236	status = "okay";
237};
238
239&uart0 {
240	pinctrl-names = "default";
241	pinctrl-0 = <&uart0_pins_a>;
242	status = "okay";
243};
244
245&usb_otg {
246	dr_mode = "otg";
247	status = "okay";
248};
249
250&usb_power_supply {
251	status = "okay";
252};
253
254&usbphy {
255	pinctrl-names = "default";
256	pinctrl-0 = <&usb0_id_detect_pin>;
257	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
258	usb0_vbus_power-supply = <&usb_power_supply>;
259	usb0_vbus-supply = <&reg_usb0_vbus>;
260	usb1_vbus-supply = <&reg_usb1_vbus>;
261	usb2_vbus-supply = <&reg_usb2_vbus>;
262	status = "okay";
263};