0001 /*
0002 * Copyright 2016 Hans de Goede <hdegoede@redhat.com>
0003 *
0004 * This file is dual-licensed: you can use it either under the terms
0005 * of the GPL or the X11 license, at your option. Note that this dual
0006 * licensing only applies to this file, and not this project as a
0007 * whole.
0008 *
0009 * a) This file is free software; you can redistribute it and/or
0010 * modify it under the terms of the GNU General Public License as
0011 * published by the Free Software Foundation; either version 2 of the
0012 * License, or (at your option) any later version.
0013 *
0014 * This file is distributed in the hope that it will be useful,
0015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0017 * GNU General Public License for more details.
0018 *
0019 * Or, alternatively,
0020 *
0021 * b) Permission is hereby granted, free of charge, to any person
0022 * obtaining a copy of this software and associated documentation
0023 * files (the "Software"), to deal in the Software without
0024 * restriction, including without limitation the rights to use,
0025 * copy, modify, merge, publish, distribute, sublicense, and/or
0026 * sell copies of the Software, and to permit persons to whom the
0027 * Software is furnished to do so, subject to the following
0028 * conditions:
0029 *
0030 * The above copyright notice and this permission notice shall be
0031 * included in all copies or substantial portions of the Software.
0032 *
0033 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0034 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0035 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0036 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0037 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0038 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0039 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0040 * OTHER DEALINGS IN THE SOFTWARE.
0041 */
0042
0043 /dts-v1/;
0044 #include "sun8i-a23.dtsi"
0045 #include "sun8i-reference-design-tablet.dtsi"
0046
0047 / {
0048 model = "Polaroid MID2809PXE04 tablet";
0049 compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
0050
0051 aliases {
0052 ethernet0 = &esp8089;
0053 };
0054
0055 wifi_pwrseq: wifi_pwrseq {
0056 compatible = "mmc-pwrseq-simple";
0057 reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
0058 /* The esp8089 needs 200 ms after driving wifi-en high */
0059 post-power-on-delay-ms = <200>;
0060 };
0061 };
0062
0063 &mmc1 {
0064 pinctrl-names = "default";
0065 pinctrl-0 = <&mmc1_pg_pins>;
0066 vmmc-supply = <®_dldo1>;
0067 mmc-pwrseq = <&wifi_pwrseq>;
0068 bus-width = <4>;
0069 non-removable;
0070 status = "okay";
0071
0072 esp8089: sdio_wifi@1 {
0073 compatible = "esp,esp8089";
0074 reg = <1>;
0075 esp,crystal-26M-en = <2>;
0076 };
0077 };
0078
0079 &touchscreen {
0080 reg = <0x40>;
0081 compatible = "silead,gsl3670";
0082 firmware-name = "gsl3670-polaroid-mid2809pxe04.fw";
0083 touchscreen-size-x = <1660>;
0084 touchscreen-size-y = <890>;
0085 status = "okay";
0086 };
