xref: /freebsd/sys/contrib/device-tree/src/arm/allwinner/sun5i-a13-empire-electronix-d709.dts (revision f126890ac5386406dadf7c4cfa9566cbb56537c5) 
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
43/dts-v1/;
44#include "sun5i-a13.dtsi"
45#include "sunxi-common-regulators.dtsi"
46#include <dt-bindings/gpio/gpio.h>
47#include <dt-bindings/input/input.h>
48#include <dt-bindings/interrupt-controller/irq.h>
49#include <dt-bindings/pwm/pwm.h>
50
51/ {
52	model = "Empire Electronix D709 tablet";
53	compatible = "empire-electronix,d709", "allwinner,sun5i-a13";
54
55	aliases {
56		serial0 = &uart1;
57	};
58
59	backlight: backlight {
60		compatible = "pwm-backlight";
61		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
62		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
63		default-brightness-level = <8>;
64		power-supply = <&reg_vcc3v3>;
65		/* TODO: backlight uses axp gpio1 as enable pin */
66	};
67
68	chosen {
69		stdout-path = "serial0:115200n8";
70	};
71};
72
73&cpu0 {
74	cpu-supply = <&reg_dcdc2>;
75};
76
77&ehci0 {
78	status = "okay";
79};
80
81&i2c0 {
82	status = "okay";
83
84	axp209: pmic@34 {
85		reg = <0x34>;
86		interrupts = <0>;
87	};
88};
89
90#include "axp209.dtsi"
91
92&i2c1 {
93	status = "okay";
94
95	pcf8563: rtc@51 {
96		compatible = "nxp,pcf8563";
97		reg = <0x51>;
98	};
99};
100
101&lradc {
102	vref-supply = <&reg_ldo2>;
103	status = "okay";
104
105	button-200 {
106		label = "Volume Up";
107		linux,code = <KEY_VOLUMEUP>;
108		channel = <0>;
109		voltage = <200000>;
110	};
111
112	button-400 {
113		label = "Volume Down";
114		linux,code = <KEY_VOLUMEDOWN>;
115		channel = <0>;
116		voltage = <400000>;
117	};
118};
119
120&mmc0 {
121	vmmc-supply = <&reg_vcc3v3>;
122	bus-width = <4>;
123	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
124	status = "okay";
125};
126
127&otg_sram {
128	status = "okay";
129};
130
131&pwm {
132	pinctrl-names = "default";
133	pinctrl-0 = <&pwm0_pin>;
134	status = "okay";
135};
136
137&reg_dcdc2 {
138	regulator-always-on;
139	regulator-min-microvolt = <1000000>;
140	regulator-max-microvolt = <1400000>;
141	regulator-name = "vdd-cpu";
142};
143
144&reg_dcdc3 {
145	regulator-always-on;
146	regulator-min-microvolt = <1250000>;
147	regulator-max-microvolt = <1250000>;
148	regulator-name = "vdd-int-pll";
149};
150
151&reg_ldo1 {
152	regulator-name = "vdd-rtc";
153};
154
155&reg_ldo2 {
156	regulator-always-on;
157	regulator-min-microvolt = <3000000>;
158	regulator-max-microvolt = <3000000>;
159	regulator-name = "avcc";
160};
161
162&reg_ldo3 {
163	regulator-min-microvolt = <3300000>;
164	regulator-max-microvolt = <3300000>;
165	regulator-name = "vcc-wifi";
166};
167
168&reg_usb0_vbus {
169	gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
170	status = "okay";
171};
172
173&uart1 {
174	pinctrl-names = "default";
175	pinctrl-0 = <&uart1_pg_pins>;
176	status = "okay";
177};
178
179&usb_otg {
180	dr_mode = "otg";
181	status = "okay";
182};
183
184&usbphy {
185	usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
186	usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
187	usb0_vbus-supply = <&reg_usb0_vbus>;
188	usb1_vbus-supply = <&reg_ldo3>;
189	status = "okay";
190};
191