boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts

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 MID2407PXE03 tablet";
0049         compatible = "polaroid,mid2407pxe03", "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 &i2c1 {
0064         mma7660: accelerometer@4c {
0065                 reg = <0x4c>;
0066                 compatible = "fsl,mma7660";
0067         };
0068 };
0069
0070 &mmc1 {
0071         pinctrl-names = "default";
0072         pinctrl-0 = <&mmc1_pg_pins>;
0073         vmmc-supply = <&reg_dldo1>;
0074         mmc-pwrseq = <&wifi_pwrseq>;
0075         bus-width = <4>;
0076         non-removable;
0077         status = "okay";
0078
0079         esp8089: sdio_wifi@1 {
0080                 compatible = "esp,esp8089";
0081                 reg = <1>;
0082                 esp,crystal-26M-en = <2>;
0083         };
0084 };
0085
0086 &touchscreen {
0087         reg = <0x40>;
0088         compatible = "silead,gsl1680";
0089         firmware-name = "gsl1680-polaroid-mid2407pxe03.fw";
0090         touchscreen-size-x = <960>;
0091         touchscreen-size-y = <640>;
0092         touchscreen-inverted-x;
0093         touchscreen-inverted-y;
0094         vddio-supply = <&reg_ldo_io1>;
0095         status = "okay";
0096 };