1/*
  2 * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
  3 *
  4 * This file is dual-licensed: you can use it either under the terms
  5 * of the GPL or the X11 license, at your option. Note that this dual
  6 * licensing only applies to this file, and not this project as a
  7 * whole.
  8 *
  9 *  a) This file is free software; you can redistribute it and/or
 10 *     modify it under the terms of the GNU General Public License as
 11 *     published by the Free Software Foundation; either version 2 of the
 12 *     License, or (at your option) any later version.
 13 *
 14 *     This file is distributed in the hope that it will be useful,
 15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17 *     GNU General Public License for more details.
 18 *
 19 * Or, alternatively,
 20 *
 21 *  b) Permission is hereby granted, free of charge, to any person
 22 *     obtaining a copy of this software and associated documentation
 23 *     files (the "Software"), to deal in the Software without
 24 *     restriction, including without limitation the rights to use,
 25 *     copy, modify, merge, publish, distribute, sublicense, and/or
 26 *     sell copies of the Software, and to permit persons to whom the
 27 *     Software is furnished to do so, subject to the following
 28 *     conditions:
 29 *
 30 *     The above copyright notice and this permission notice shall be
 31 *     included in all copies or substantial portions of the Software.
 32 *
 33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 40 *     OTHER DEALINGS IN THE SOFTWARE.
 41 */
 42
 43/dts-v1/;
 44#include "sun4i-a10.dtsi"
 45#include "sunxi-common-regulators.dtsi"
 46#include <dt-bindings/gpio/gpio.h>
 47#include <dt-bindings/input/input.h>
 48#include <dt-bindings/interrupt-controller/irq.h>
 49#include <dt-bindings/pwm/pwm.h>
 50
 51/ {
 52	model = "Point of View Protab2-IPS9";
 53	compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
 54
 55	aliases {
 56		serial0 = &uart0;
 57	};
 58
 59	backlight: backlight {
 60		compatible = "pwm-backlight";
 61		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 62		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
 63		default-brightness-level = <8>;
 64		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
 65		power-supply = <&reg_vcc3v3>;
 66	};
 67
 68	chosen {
 69		stdout-path = "serial0:115200n8";
 70	};
 71};
 72
 73&codec {
 74	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
 75	status = "okay";
 76};
 77
 78&cpu0 {
 79	cpu-supply = <&reg_dcdc2>;
 80};
 81
 82&ehci0 {
 83	status = "okay";
 84};
 85
 86&i2c0 {
 87	status = "okay";
 88
 89	axp209: pmic@34 {
 90		reg = <0x34>;
 91		interrupts = <0>;
 92	};
 93};
 94
 95#include "axp209.dtsi"
 96
 97&i2c1 {
 98	/* pull-ups and devices require AXP209 LDO3 */
 99	status = "failed";
100};
101
102&i2c2 {
103	status = "okay";
104
105	touchscreen@5c {
106		compatible = "pixcir,pixcir_tangoc";
107		reg = <0x5c>;
108		interrupt-parent = <&pio>;
109		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
110		attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
111		enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
112		wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
113		touchscreen-size-x = <1024>;
114		touchscreen-size-y = <768>;
115		touchscreen-inverted-x;
116		touchscreen-inverted-y;
117	};
118};
119
120&lradc {
121	vref-supply = <&reg_ldo2>;
122	status = "okay";
123
124	button-400 {
125		label = "Volume Up";
126		linux,code = <KEY_VOLUMEUP>;
127		channel = <0>;
128		voltage = <400000>;
129	};
130
131	button-800 {
132		label = "Volume Down";
133		linux,code = <KEY_VOLUMEDOWN>;
134		channel = <0>;
135		voltage = <800000>;
136	};
137};
138
139&mmc0 {
140	vmmc-supply = <&reg_vcc3v3>;
141	bus-width = <4>;
142	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
143	status = "okay";
144};
145
146&otg_sram {
147	status = "okay";
148};
149
150&pwm {
151	pinctrl-names = "default";
152	pinctrl-0 = <&pwm0_pin>;
153	status = "okay";
154};
155
156&reg_dcdc2 {
157	regulator-always-on;
158	regulator-min-microvolt = <1000000>;
159	regulator-max-microvolt = <1400000>;
160	regulator-name = "vdd-cpu";
161};
162
163&reg_dcdc3 {
164	regulator-always-on;
165	regulator-min-microvolt = <1250000>;
166	regulator-max-microvolt = <1250000>;
167	regulator-name = "vdd-int-dll";
168};
169
170&reg_ldo1 {
171	regulator-name = "vdd-rtc";
172};
173
174&reg_ldo2 {
175	regulator-always-on;
176	regulator-min-microvolt = <3000000>;
177	regulator-max-microvolt = <3000000>;
178	regulator-name = "avcc";
179};
180
181&reg_usb0_vbus {
182	status = "okay";
183};
184
185&reg_usb1_vbus {
186	status = "okay";
187};
188
189&uart0 {
190	pinctrl-names = "default";
191	pinctrl-0 = <&uart0_pb_pins>;
192	status = "okay";
193};
194
195&usb_otg {
196	dr_mode = "otg";
197	status = "okay";
198};
199
200&usbphy {
201	usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
202	usb0_vbus_det-gpios = <&pio 7 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PH5 */
203	usb0_vbus-supply = <&reg_usb0_vbus>;
204	usb1_vbus-supply = <&reg_usb1_vbus>;
205	status = "okay";
206};