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 MID2407PXE03 tablet";
49	compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23";
50
51	aliases {
52		ethernet0 = &esp8089;
53	};
54
55	wifi_pwrseq: wifi_pwrseq {
56		compatible = "mmc-pwrseq-simple";
57		pinctrl-names = "default";
58		pinctrl-0 = <&wifi_pwrseq_pin_mid2407>;
59		reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
60		/* The esp8089 needs 200 ms after driving wifi-en high */
61		post-power-on-delay-ms = <200>;
62	};
63};
64
65&gsl1680 {
66	vddio-supply = <&reg_ldo_io1>;
67	touchscreen-size-x = <960>;
68	touchscreen-size-y = <640>;
69	touchscreen-inverted-x;
70	touchscreen-inverted-y;
71	touchscreen-fw-name = "silead/gsl1680-polaroid-mid2407pxe03.fw";
72	status = "okay";
73};
74
75&mmc1 {
76	pinctrl-names = "default";
77	pinctrl-0 = <&mmc1_pins_a>;
78	vmmc-supply = <&reg_dldo1>;
79	mmc-pwrseq = <&wifi_pwrseq>;
80	bus-width = <4>;
81	non-removable;
82	status = "okay";
83
84	esp8089: sdio_wifi@1 {
85		compatible = "esp,esp8089";
86		reg = <1>;
87		esp,crystal-26M-en = <2>;
88	};
89};
90
91&mmc1_pins_a {
92	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
93};
94
95&r_pio {
96	wifi_pwrseq_pin_mid2407: wifi_pwrseq_pin@0 {
97		allwinner,pins = "PL6";
98		allwinner,function = "gpio_out";
99		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
100		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
101	};
102};
103
104&reg_ldo_io1 {
105	regulator-min-microvolt = <3300000>;
106	regulator-max-microvolt = <3300000>;
107	regulator-name = "vcc-touchscreen";
108	status = "okay";
109};
110