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/*
* 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 MID2809PXE04 tablet";
compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
aliases {
ethernet0 = &esp8089;
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&wifi_pwrseq_pin_mid2809>;
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>;
};
};
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins_a>;
vmmc-supply = <®_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>;
};
};
&mmc1_pins_a {
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
};
&r_pio {
wifi_pwrseq_pin_mid2809: wifi_pwrseq_pin@0 {
allwinner,pins = "PL6";
allwinner,function = "gpio_out";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
};
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