FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun8i-a23-polaroid-mid2407pxe03.dts

     /*
      * Copyright 2016 Hans de Goede <hdegoede@redhat.com>
      *
      * This file is dual-licensed: you can use it either under the terms
      * of the GPL or the X11 license, at your option. Note that this dual
      * licensing only applies to this file, and not this project as a
      * whole.
      *
      *  a) This file is free software; you can redistribute it and/or
     *     modify it under the terms of the GNU General Public License as
     *     published by the Free Software Foundation; either version 2 of the
     *     License, or (at your option) any later version.
     *
     *     This file is distributed in the hope that it will be useful,
     *     but WITHOUT ANY WARRANTY; without even the implied warranty of
     *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *     GNU General Public License for more details.
     *
     * Or, alternatively,
     *
     *  b) Permission is hereby granted, free of charge, to any person
     *     obtaining a copy of this software and associated documentation
     *     files (the "Software"), to deal in the Software without
     *     restriction, including without limitation the rights to use,
     *     copy, modify, merge, publish, distribute, sublicense, and/or
     *     sell copies of the Software, and to permit persons to whom the
     *     Software is furnished to do so, subject to the following
     *     conditions:
     *
     *     The above copyright notice and this permission notice shall be
     *     included in all copies or substantial portions of the Software.
     *
     *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     *     OTHER DEALINGS IN THE SOFTWARE.
     */
    
    /dts-v1/;
    #include "sun8i-a23.dtsi"
    #include "sun8i-reference-design-tablet.dtsi"
    
    / {
            model = "Polaroid MID2407PXE03 tablet";
            compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23";
    
            aliases {
                    ethernet0 = &esp8089;
            };
    
            wifi_pwrseq: wifi_pwrseq {
                    compatible = "mmc-pwrseq-simple";
                    reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
                    /* The esp8089 needs 200 ms after driving wifi-en high */
                    post-power-on-delay-ms = <200>;
            };
    };
    
    &i2c1 {
            mma7660: accelerometer@4c {
                    reg = <0x4c>;
                    compatible = "fsl,mma7660";
            };
    };
    
    &mmc1 {
            pinctrl-names = "default";
            pinctrl-0 = <&mmc1_pg_pins>;
            vmmc-supply = <&reg_dldo1>;
            mmc-pwrseq = <&wifi_pwrseq>;
            bus-width = <4>;
            non-removable;
            status = "okay";
    
            esp8089: sdio_wifi@1 {
                    compatible = "esp,esp8089";
                    reg = <1>;
                    esp,crystal-26M-en = <2>;
            };
    };
    
    &touchscreen {
            reg = <0x40>;
            compatible = "silead,gsl1680";
            firmware-name = "gsl1680-polaroid-mid2407pxe03.fw";
            touchscreen-size-x = <960>;
            touchscreen-size-y = <640>;
            touchscreen-inverted-x;
            touchscreen-inverted-y;
            vddio-supply = <&reg_ldo_io1>;
            status = "okay";
    };

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