sun8i-a23-ippo-q8h-v5.dts revision 284090 
1/*
2 * Copyright 2014 Chen-Yu Tsai
3 *
4 * Chen-Yu Tsai <wens@csie.org>
5 *
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
9 * whole.
10 *
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.
15 *
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.
20 *
21 *     You should have received a copy of the GNU General Public
22 *     License along with this file; if not, write to the Free
23 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
24 *     MA 02110-1301 USA
25 *
26 * Or, alternatively,
27 *
28 *  b) Permission is hereby granted, free of charge, to any person
29 *     obtaining a copy of this software and associated documentation
30 *     files (the "Software"), to deal in the Software without
31 *     restriction, including without limitation the rights to use,
32 *     copy, modify, merge, publish, distribute, sublicense, and/or
33 *     sell copies of the Software, and to permit persons to whom the
34 *     Software is furnished to do so, subject to the following
35 *     conditions:
36 *
37 *     The above copyright notice and this permission notice shall be
38 *     included in all copies or substantial portions of the Software.
39 *
40 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
41 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
42 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
43 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
44 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
45 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
46 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
47 *     OTHER DEALINGS IN THE SOFTWARE.
48 */
49
50/dts-v1/;
51#include "sun8i-a23.dtsi"
52#include "sunxi-common-regulators.dtsi"
53
54#include <dt-bindings/gpio/gpio.h>
55#include <dt-bindings/input/input.h>
56#include <dt-bindings/pinctrl/sun4i-a10.h>
57
58/ {
59	model = "Ippo Q8H Dual Core Tablet (v5)";
60	compatible = "ippo,q8h-v5", "allwinner,sun8i-a23";
61
62	aliases {
63		serial0 = &r_uart;
64	};
65
66	chosen {
67		bootargs = "earlyprintk console=ttyS0,115200";
68	};
69
70	soc@01c00000 {
71		mmc0: mmc@01c0f000 {
72			pinctrl-names = "default";
73			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_q8h>;
74			vmmc-supply = <&reg_vcc3v0>;
75			bus-width = <4>;
76			cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
77			cd-inverted;
78			status = "okay";
79		};
80
81		pinctrl@01c20800 {
82			mmc0_cd_pin_q8h: mmc0_cd_pin@0 {
83				allwinner,pins = "PB4";
84				allwinner,function = "gpio_in";
85				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
86				allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
87			};
88		};
89
90		lradc: lradc@01c22800 {
91			vref-supply = <&reg_vcc3v0>;
92			status = "okay";
93
94			button@200 {
95				label = "Volume Up";
96				linux,code = <KEY_VOLUMEUP>;
97				channel = <0>;
98				voltage = <200000>;
99			};
100
101			button@400 {
102				label = "Volume Down";
103				linux,code = <KEY_VOLUMEDOWN>;
104				channel = <0>;
105				voltage = <400000>;
106			};
107		};
108
109		i2c0: i2c@01c2ac00 {
110			pinctrl-names = "default";
111			pinctrl-0 = <&i2c0_pins_a>;
112			status = "okay";
113		};
114
115		i2c1: i2c@01c2b000 {
116			pinctrl-names = "default";
117			pinctrl-0 = <&i2c1_pins_a>;
118			status = "okay";
119		};
120
121		i2c2: i2c@01c2b400 {
122			pinctrl-names = "default";
123			pinctrl-0 = <&i2c2_pins_a>;
124			/* pull-ups and devices require PMIC regulator */
125			status = "failed";
126		};
127
128		r_uart: serial@01f02800 {
129			pinctrl-names = "default";
130			pinctrl-0 = <&r_uart_pins_a>;
131			status = "okay";
132		};
133	};
134};
135