blob: 1aeb06c649b9ce15a14e96dd32ecf810ce8d2fbd [file] [log] [blame]
Hans de Goedef9a37282015-08-14 16:13:03 +02001/*
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
43/dts-v1/;
44#include "sun8i-a23.dtsi"
45#include "sunxi-common-regulators.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48#include <dt-bindings/input/input.h>
49#include <dt-bindings/pinctrl/sun4i-a10.h>
50
51/ {
52 model = "Allwinner GT90H Quad Core Tablet (v4)";
53 compatible = "allwinner,gt90h-v4", "allwinner,sun8i-a33";
54
55 aliases {
56 serial0 = &r_uart;
57 };
58
59 chosen {
60 stdout-path = "serial0:115200n8";
61 };
62};
63
64&ehci0 {
65 status = "okay";
66};
67
68&i2c0 {
69 pinctrl-names = "default";
70 pinctrl-0 = <&i2c0_pins_a>;
71 status = "okay";
72};
73
74&i2c1 {
75 pinctrl-names = "default";
76 pinctrl-0 = <&i2c1_pins_a>;
77 status = "okay";
78};
79
80&lradc {
81 vref-supply = <&reg_vcc3v0>;
82 status = "okay";
83
84 button@200 {
85 label = "Volume Up";
86 linux,code = <KEY_VOLUMEUP>;
87 channel = <0>;
88 voltage = <200000>;
89 };
90
91 button@400 {
92 label = "Volume Down";
93 linux,code = <KEY_VOLUMEDOWN>;
94 channel = <0>;
95 voltage = <400000>;
96 };
97
98 button@600 {
99 label = "Back";
100 linux,code = <KEY_BACK>;
101 channel = <0>;
102 voltage = <600000>;
103 };
104};
105
106&mmc0 {
107 pinctrl-names = "default";
108 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gt90h>;
109 /* FIXME this really is aldo1, correct once we've pmic support */
110 vmmc-supply = <&reg_vcc3v0>;
111 bus-width = <4>;
112 cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
113 cd-inverted;
114 status = "okay";
115};
116
117&pio {
118 mmc0_cd_pin_gt90h: mmc0_cd_pin@0 {
119 allwinner,pins = "PB4";
120 allwinner,function = "gpio_in";
121 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
122 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
123 };
124};
125
126&r_uart {
127 pinctrl-names = "default";
128 pinctrl-0 = <&r_uart_pins_a>;
129 status = "okay";
130};
131
132/*
133 * FIXME for now we only support host mode and rely on u-boot to have
134 * turned on Vbus which is controlled by the axp223 pmic on the board.
135 *
136 * Once we have axp223 support we should switch to fully supporting otg.
137 */
138&usb_otg {
139 dr_mode = "host";
140 status = "okay";
141};
142
143&usbphy {
144 status = "okay";
145};