1/*
  2 * Copyright 2016 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 "sun8i-a23.dtsi"
 45#include "sun8i-reference-design-tablet.dtsi"
 46
 47/ {
 48	model = "Polaroid MID2407PXE03 tablet";
 49	compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23";
 50
 51	aliases {
 52		ethernet0 = &esp8089;
 53	};
 54
 55	wifi_pwrseq: wifi_pwrseq {
 56		compatible = "mmc-pwrseq-simple";
 57		pinctrl-names = "default";
 58		pinctrl-0 = <&wifi_pwrseq_pin_mid2407>;
 59		reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
 60		/* The esp8089 needs 200 ms after driving wifi-en high */
 61		post-power-on-delay-ms = <200>;
 62	};
 63};
 64
 65&i2c1 {
 66	mma7660: accelerometer@4c {
 67		reg = <0x4c>;
 68		compatible = "fsl,mma7660";
 69	};
 70};
 71
 72&mmc1 {
 73	pinctrl-names = "default";
 74	pinctrl-0 = <&mmc1_pins_a>;
 75	vmmc-supply = <&reg_dldo1>;
 76	mmc-pwrseq = <&wifi_pwrseq>;
 77	bus-width = <4>;
 78	non-removable;
 79	status = "okay";
 80
 81	esp8089: sdio_wifi@1 {
 82		compatible = "esp,esp8089";
 83		reg = <1>;
 84		esp,crystal-26M-en = <2>;
 85	};
 86};
 87
 88&mmc1_pins_a {
 89	bias-pull-up;
 90};
 91
 92&r_pio {
 93	wifi_pwrseq_pin_mid2407: wifi_pwrseq_pin@0 {
 94		pins = "PL6";
 95		function = "gpio_out";
 96	};
 97};
 98
 99&touchscreen {
100	reg = <0x40>;
101	compatible = "silead,gsl1680";
102	firmware-name = "gsl1680-polaroid-mid2407pxe03.fw";
103	touchscreen-size-x = <960>;
104	touchscreen-size-y = <640>;
105	touchscreen-inverted-x;
106	touchscreen-inverted-y;
107	vddio-supply = <&reg_ldo_io1>;
108	status = "okay";
109};