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Hans de Goede46f166c2015-09-20 19:46:49 -04001/*
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 */
Hans de Goede860fbdd2016-08-18 20:51:12 +020042#include "sunxi-reference-design-tablet.dtsi"
43#include "sun8i-reference-design-tablet.dtsi"
Hans de Goede80e5f832016-03-14 17:37:09 +010044
Hans de Goede46f166c2015-09-20 19:46:49 -040045/ {
46 aliases {
47 serial0 = &r_uart;
Hans de Goede860fbdd2016-08-18 20:51:12 +020048 /* Make u-boot set mac-address for wifi without an eeprom */
49 ethernet0 = &sdio_wifi;
Hans de Goede46f166c2015-09-20 19:46:49 -040050 };
51
Hans de Goede860fbdd2016-08-18 20:51:12 +020052 q8_hardwaremgr {
53 compatible = "allwinner,sunxi-q8-hardwaremgr";
54 touchscreen-i2c-bus = <&i2c0>;
55 touchscreen-supply = <&reg_ldo_io1>;
56 touchscreen-power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
57 };
58
59 wifi_pwrseq: wifi_pwrseq {
60 compatible = "mmc-pwrseq-simple";
61 /*
62 * Q8 boards use various PL# pins as wifi-en. On other boards
63 * these may be connected to a wifi module output pin. To avoid
64 * short-circuits we configure these as inputs with pull-ups via
65 * pinctrl, instead of listing them as active-low reset-gpios.
66 */
Hans de Goede80e5f832016-03-14 17:37:09 +010067 pinctrl-names = "default";
Hans de Goede860fbdd2016-08-18 20:51:12 +020068 pinctrl-0 = <&wifi_pwrseq_pin_q8>;
69 /* The esp8089 needs 200 ms after driving wifi-en high */
70 post-power-on-delay-ms = <200>;
Hans de Goede46f166c2015-09-20 19:46:49 -040071 };
72};
73
Hans de Goede860fbdd2016-08-18 20:51:12 +020074&ehci0 {
75 status = "okay";
76};
77
78&mmc1 {
Hans de Goede46f166c2015-09-20 19:46:49 -040079 pinctrl-names = "default";
Hans de Goede860fbdd2016-08-18 20:51:12 +020080 pinctrl-0 = <&mmc1_pins_a>;
81 vmmc-supply = <&reg_dldo1>;
82 mmc-pwrseq = <&wifi_pwrseq>;
Hans de Goede46f166c2015-09-20 19:46:49 -040083 bus-width = <4>;
Hans de Goede860fbdd2016-08-18 20:51:12 +020084 non-removable;
Hans de Goede46f166c2015-09-20 19:46:49 -040085 status = "okay";
Hans de Goede860fbdd2016-08-18 20:51:12 +020086
87 sdio_wifi: sdio_wifi@1 {
88 reg = <1>;
89 };
Hans de Goede46f166c2015-09-20 19:46:49 -040090};
91
Hans de Goede860fbdd2016-08-18 20:51:12 +020092&mmc1_pins_a {
93 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
94};
Hans de Goede46f166c2015-09-20 19:46:49 -040095
Hans de Goede860fbdd2016-08-18 20:51:12 +020096&r_pio {
97 wifi_pwrseq_pin_q8: wifi_pwrseq_pin@0 {
98 allwinner,pins = "PL6", "PL7", "PL11";
Hans de Goede46f166c2015-09-20 19:46:49 -040099 allwinner,function = "gpio_in";
100 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
101 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
102 };
103};
104
Hans de Goede860fbdd2016-08-18 20:51:12 +0200105&usbphy {
106 usb1_vbus-supply = <&reg_dldo1>;
107};
108
109&gsl1680 {
110 touchscreen-size-x = <1024>;
111 touchscreen-size-y = <600>;
112 touchscreen-fw-name = "silead/gsl1680-q8-700.fw";
Hans de Goede80e5f832016-03-14 17:37:09 +0100113 status = "okay";
Hans de Goede80e5f832016-03-14 17:37:09 +0100114};
115
Hans de Goede860fbdd2016-08-18 20:51:12 +0200116&reg_ldo_io1 {
117 regulator-min-microvolt = <3300000>;
Hans de Goede80e5f832016-03-14 17:37:09 +0100118 regulator-max-microvolt = <3300000>;
Hans de Goede860fbdd2016-08-18 20:51:12 +0200119 regulator-name = "vcc-touchscreen";
Hans de Goede46f166c2015-09-20 19:46:49 -0400120 status = "okay";
121};