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/pinctrl/sun4i-a10.h>
50#include <dt-bindings/pwm/pwm.h>
51
52/ {
53	model = "Empire Electronix D709 tablet";
54	compatible = "empire-electronix,d709", "allwinner,sun5i-a13";
55
56	aliases {
57		serial0 = &uart1;
58	};
59
60	backlight: backlight {
61		compatible = "pwm-backlight";
62		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
63		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
64		default-brightness-level = <8>;
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	pinctrl-names = "default";
83	pinctrl-0 = <&i2c0_pins_a>;
84	status = "okay";
85
86	axp209: pmic@34 {
87		reg = <0x34>;
88		interrupts = <0>;
89	};
90};
91
92#include "axp209.dtsi"
93
94&i2c1 {
95	pinctrl-names = "default";
96	pinctrl-0 = <&i2c1_pins_a>;
97	status = "okay";
98
99	pcf8563: rtc@51 {
100		compatible = "nxp,pcf8563";
101		reg = <0x51>;
102	};
103};
104
105&lradc {
106	vref-supply = <&reg_ldo2>;
107	status = "okay";
108
109	button@200 {
110		label = "Volume Up";
111		linux,code = <KEY_VOLUMEUP>;
112		channel = <0>;
113		voltage = <200000>;
114	};
115
116	button@400 {
117		label = "Volume Down";
118		linux,code = <KEY_VOLUMEDOWN>;
119		channel = <0>;
120		voltage = <400000>;
121	};
122};
123
124&mmc0 {
125	pinctrl-names = "default";
126	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_d709>;
127	vmmc-supply = <&reg_vcc3v3>;
128	bus-width = <4>;
129	cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
130	cd-inverted;
131	status = "okay";
132};
133
134&otg_sram {
135	status = "okay";
136};
137
138&pio {
139	mmc0_cd_pin_d709: mmc0_cd_pin@0 {
140		allwinner,pins = "PG0";
141		allwinner,function = "gpio_in";
142		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
143		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
144	};
145
146	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
147		allwinner,pins = "PG1";
148		allwinner,function = "gpio_in";
149		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
150		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
151	};
152
153	usb0_id_detect_pin: usb0_id_detect_pin@0 {
154		allwinner,pins = "PG2";
155		allwinner,function = "gpio_in";
156		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
157		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
158	};
159};
160
161&pwm {
162	pinctrl-names = "default";
163	pinctrl-0 = <&pwm0_pins>;
164	status = "okay";
165};
166
167&reg_dcdc2 {
168	regulator-always-on;
169	regulator-min-microvolt = <1000000>;
170	regulator-max-microvolt = <1400000>;
171	regulator-name = "vdd-cpu";
172};
173
174&reg_dcdc3 {
175	regulator-always-on;
176	regulator-min-microvolt = <1250000>;
177	regulator-max-microvolt = <1250000>;
178	regulator-name = "vdd-int-pll";
179};
180
181&reg_ldo1 {
182	regulator-name = "vdd-rtc";
183};
184
185&reg_ldo2 {
186	regulator-always-on;
187	regulator-min-microvolt = <3000000>;
188	regulator-max-microvolt = <3000000>;
189	regulator-name = "avcc";
190};
191
192&reg_ldo3 {
193	regulator-min-microvolt = <3300000>;
194	regulator-max-microvolt = <3300000>;
195	regulator-name = "vcc-wifi";
196};
197
198&reg_usb0_vbus {
199	gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
200	status = "okay";
201};
202
203&uart1 {
204	pinctrl-names = "default";
205	pinctrl-0 = <&uart1_pins_b>;
206	status = "okay";
207};
208
209&usb_otg {
210	dr_mode = "otg";
211	status = "okay";
212};
213
214&usb0_vbus_pin_a {
215	allwinner,pins = "PG12";
216};
217
218&usbphy {
219	pinctrl-names = "default";
220	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
221	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
222	usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
223	usb0_vbus-supply = <&reg_usb0_vbus>;
224	usb1_vbus-supply = <&reg_ldo3>;
225	status = "okay";
226};
227