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 MID2809PXE04 tablet";
49 compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
50
51 aliases {
52 ethernet0 = &esp8089;
53 };
54
55 wifi_pwrseq: pwrseq {
56 compatible = "mmc-pwrseq-simple";
57 reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
58 /* The esp8089 needs 200 ms after driving wifi-en high */
59 post-power-on-delay-ms = <200>;
60 };
61 };
62
63 &mmc1 {
64 pinctrl-names = "default";
65 pinctrl-0 = <&mmc1_pg_pins>;
66 vmmc-supply = <®_dldo1>;
67 mmc-pwrseq = <&wifi_pwrseq>;
68 bus-width = <4>;
69 non-removable;
70 status = "okay";
71
72 esp8089: wifi@1 {
73 compatible = "esp,esp8089";
74 reg = <1>;
75 esp,crystal-26M-en = <2>;
76 };
77 };
78
79 &touchscreen {
80 reg = <0x40>;
81 compatible = "silead,gsl3670";
82 firmware-name = "gsl3670-polaroid-mid2809pxe04.fw";
83 touchscreen-size-x = <1660>;
84 touchscreen-size-y = <890>;
85 status = "okay";
86 };
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