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3e48bb21 HG |
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"; | |
1e03325a HG |
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 | &mmc1 { | |
66 | pinctrl-names = "default"; | |
67 | pinctrl-0 = <&mmc1_pins_a>; | |
68 | vmmc-supply = <®_dldo1>; | |
69 | mmc-pwrseq = <&wifi_pwrseq>; | |
70 | bus-width = <4>; | |
71 | non-removable; | |
72 | status = "okay"; | |
73 | ||
74 | esp8089: sdio_wifi@1 { | |
75 | compatible = "esp,esp8089"; | |
76 | reg = <1>; | |
77 | esp,crystal-26M-en = <2>; | |
78 | }; | |
79 | }; | |
80 | ||
81 | &mmc1_pins_a { | |
82 | allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; | |
83 | }; | |
84 | ||
85 | &r_pio { | |
86 | wifi_pwrseq_pin_mid2407: wifi_pwrseq_pin@0 { | |
87 | allwinner,pins = "PL6"; | |
88 | allwinner,function = "gpio_out"; | |
89 | allwinner,drive = <SUN4I_PINCTRL_10_MA>; | |
90 | allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; | |
91 | }; | |
3e48bb21 | 92 | }; |