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	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		 */
67		pinctrl-names = "default";
68		pinctrl-0 = <&wifi_pwrseq_pin_q8>;
69		/* The esp8089 needs 200 ms after driving wifi-en high */
70		post-power-on-delay-ms = <200>;
71	};
72};
73
74&ehci0 {
75	status  = "okay";
76};
77
78&mmc1 {
79	pinctrl-names = "default";
80	pinctrl-0 = <&mmc1_pins_a>;
81	vmmc-supply = <&reg_dldo1>;
82	mmc-pwrseq = <&wifi_pwrseq>;
83	bus-width = <4>;
84	non-removable;
85	status = "okay";
86
87	sdio_wifi: sdio_wifi@1 {
88		reg = <1>;
89	};
90};
91
92&mmc1_pins_a {
93	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
94};
95
96&r_pio {
97	wifi_pwrseq_pin_q8: wifi_pwrseq_pin@0 {
98		allwinner,pins = "PL6", "PL7", "PL11";
99		allwinner,function = "gpio_in";
100		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
101		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
102	};
103};
104
105&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";
113	status = "okay";
114};
115
116&reg_ldo_io1 {
117	regulator-min-microvolt = <3300000>;
118	regulator-max-microvolt = <3300000>;
119	regulator-name = "vcc-touchscreen";
120	status = "okay";
121};
122