1 /*
2 * Copyright 2015 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 #include "sunxi-reference-design-tablet.dtsi"
43 #include "sun8i-reference-design-tablet.dtsi"
44
45 / {
46 aliases {
47 serial0 = &r_uart;
48 /* Make u-boot set mac-address for wifi without an eeprom */
49 ethernet0 = &sdio_wifi;
50 };
51
52 panel: panel {
53 /* Tablet dts should provide panel compatible */
54 backlight = <&backlight>;
55 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
56 power-supply = <®_dc1sw>;
57
58 port {
59 panel_input: endpoint {
60 remote-endpoint = <&tcon0_out_lcd>;
61 };
62 };
63 };
64
65 wifi_pwrseq: pwrseq {
66 compatible = "mmc-pwrseq-simple";
67 /*
68 * Q8 boards use various PL# pins as wifi-en. On other boards
69 * these may be connected to a wifi module output pin. To avoid
70 * short-circuits we configure these as inputs with pull-ups via
71 * pinctrl, instead of listing them as active-low reset-gpios.
72 */
73 pinctrl-names = "default";
74 pinctrl-0 = <&wifi_pwrseq_pin_q8>;
75 /* The esp8089 needs 200 ms after driving wifi-en high */
76 post-power-on-delay-ms = <200>;
77 };
78 };
79
80 &de {
81 status = "okay";
82 };
83
84 &ehci0 {
85 status = "okay";
86 };
87
88 &mmc1 {
89 pinctrl-names = "default";
90 pinctrl-0 = <&mmc1_pg_pins>;
91 vmmc-supply = <®_dldo1>;
92 mmc-pwrseq = <&wifi_pwrseq>;
93 bus-width = <4>;
94 non-removable;
95 status = "okay";
96
97 sdio_wifi: wifi@1 {
98 reg = <1>;
99 };
100 };
101
102 &r_pio {
103 wifi_pwrseq_pin_q8: wifi-pwrseq-pins {
104 pins = "PL6", "PL7", "PL11";
105 function = "gpio_in";
106 bias-pull-up;
107 };
108 };
109
110 &tcon0 {
111 pinctrl-names = "default";
112 pinctrl-0 = <&lcd_rgb666_pins>;
113 status = "okay";
114 };
115
116 &usbphy {
117 usb1_vbus-supply = <®_dldo1>;
118 };
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