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Hans de Goedea1ecb4b2015-12-20 12:30:18 +01001/*
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";
Hans de Goede80e5f832016-03-14 17:37:09 +0100126 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_d709>;
Hans de Goedea1ecb4b2015-12-20 12:30:18 +0100127 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
Hans de Goedea1ecb4b2015-12-20 12:30:18 +0100134&otg_sram {
135 status = "okay";
136};
137
138&pio {
Hans de Goede80e5f832016-03-14 17:37:09 +0100139 mmc0_cd_pin_d709: mmc0_cd_pin@0 {
Hans de Goedea1ecb4b2015-12-20 12:30:18 +0100140 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};