2 * Copyright 2015 Maxime Ripard
4 * Maxime Ripard <maxime.ripard@free-electrons.com>
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
11 * a) This file is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
16 * This file is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
23 * b) Permission is hereby granted, free of charge, to any person
24 * obtaining a copy of this software and associated documentation
25 * files (the "Software"), to deal in the Software without
26 * restriction, including without limitation the rights to use,
27 * copy, modify, merge, publish, distribute, sublicense, and/or
28 * sell copies of the Software, and to permit persons to whom the
29 * Software is furnished to do so, subject to the following
32 * The above copyright notice and this permission notice shall be
33 * included in all copies or substantial portions of the Software.
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 * OTHER DEALINGS IN THE SOFTWARE.
46 #include "sun8i-a23.dtsi"
47 #include "sunxi-common-regulators.dtsi"
49 #include <dt-bindings/gpio/gpio.h>
50 #include <dt-bindings/input/input.h>
51 #include <dt-bindings/pinctrl/sun4i-a10.h>
54 model = "Allwinner A23 Evaluation Board";
55 compatible = "allwinner,sun8i-a23-evb", "allwinner,sun8i-a23";
64 stdout-path = "serial0:115200n8";
69 pinctrl-names = "default";
70 pinctrl-0 = <&i2c0_pins_a>;
75 pinctrl-names = "default";
76 pinctrl-0 = <&i2c1_pins_a>;
81 vref-supply = <®_vcc3v0>;
86 linux,code = <KEY_VOLUMEUP>;
92 label = "Volume Down";
93 linux,code = <KEY_VOLUMEDOWN>;
100 linux,code = <KEY_HOME>;
107 pinctrl-names = "default";
108 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_evb>;
109 vmmc-supply = <®_vcc3v0>;
111 cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
117 mmc0_cd_pin_evb: mmc0_cd_pin@0 {
118 allwinner,pins = "PB4";
119 allwinner,function = "gpio_in";
120 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
121 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
126 * The RX line has a non-populated resistance. In order to use it, you
127 * need to solder R207 on the back of the board in order to close the
128 * line and get a working UART.
131 pinctrl-names = "default";
132 pinctrl-0 = <&r_uart_pins_a>;