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 "sun5i-a13.dtsi"
 45#include "sun5i-reference-design-tablet.dtsi"
 46#include <dt-bindings/interrupt-controller/irq.h>
 47
 48/ {
 49	model = "Utoo P66";
 50	compatible = "utoo,p66", "allwinner,sun5i-a13";
 51
 52	/* The P66 uses the uart pins as gpios */
 53	aliases {
 54		/delete-property/serial0;
 55	};
 56
 57	chosen {
 58		/delete-property/stdout-path;
 59	};
 60
 61	i2c_lcd: i2c {
 62		/* The lcd panel i2c interface is hooked up via gpios */
 63		compatible = "i2c-gpio";
 64		sda-gpios = <&pio 6 12 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG12 */
 65		scl-gpios = <&pio 6 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG10 */
 66		i2c-gpio,delay-us = <5>;
 67	};
 68};
 69
 70&backlight {
 71	/* Note levels of 10 / 20% result in backlight off */
 72	brightness-levels = <0 30 40 50 60 70 80 90 100>;
 73	default-brightness-level = <6>;
 74};
 75
 76&codec {
 77	allwinner,pa-gpios = <&pio 6 3 GPIO_ACTIVE_HIGH>; /* PG3 */
 78};
 79
 80&mmc2 {
 81	pinctrl-names = "default";
 82	pinctrl-0 = <&mmc2_8bit_pins>;
 83	vmmc-supply = <&reg_vcc3v3>;
 84	bus-width = <8>;
 85	non-removable;
 86	status = "okay";
 87
 88	mmccard: mmccard@0 {
 89		reg = <0>;
 90		compatible = "mmc-card";
 91		broken-hpi;
 92	};
 93};
 94
 95&reg_usb0_vbus {
 96	gpio = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 97};
 98
 99&touchscreen {
100	compatible = "chipone,icn8318";
101	reg = <0x40>;
102	/* The P66 uses a different EINT then the reference design */
103	interrupts = <6 9 IRQ_TYPE_EDGE_FALLING>; /* EINT9 (PG9) */
104	/* The icn8318 binding expects wake-gpios instead of power-gpios */
105	wake-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
106	touchscreen-size-x = <800>;
107	touchscreen-size-y = <480>;
108	touchscreen-inverted-x;
109	touchscreen-swapped-x-y;
110	status = "okay";
111};
112
113&uart1 {
114	/* The P66 uses the uart pins as gpios */
115	status = "disabled";
116};