1 /*
2 * Copyright 2015 Hans de Goede <hdegoede@redha
3 *
4 * This file is dual-licensed: you can use it
5 * of the GPL or the X11 license, at your opti
6 * licensing only applies to this file, and no
7 * whole.
8 *
9 * a) This file is free software; you can red
10 * modify it under the terms of the GNU Ge
11 * published by the Free Software Foundati
12 * License, or (at your option) any later
13 *
14 * This file is distributed in the hope th
15 * but WITHOUT ANY WARRANTY; without even
16 * MERCHANTABILITY or FITNESS FOR A PARTIC
17 * GNU General Public License for more det
18 *
19 * Or, alternatively,
20 *
21 * b) Permission is hereby granted, free of c
22 * obtaining a copy of this software and a
23 * files (the "Software"), to deal in the
24 * restriction, including without limitati
25 * copy, modify, merge, publish, distribut
26 * sell copies of the Software, and to per
27 * Software is furnished to do so, subject
28 * conditions:
29 *
30 * The above copyright notice and this per
31 * included in all copies or substantial p
32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHO
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT L
35 * OF MERCHANTABILITY, FITNESS FOR A PARTI
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE
37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGE
38 * WHETHER IN AN ACTION OF CONTRACT, TORT
39 * FROM, OUT OF OR IN CONNECTION WITH THE
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
49 #include <dt-bindings/pwm/pwm.h>
50
51 / {
52 model = "Empire Electronix D709 tablet
53 compatible = "empire-electronix,d709",
54
55 aliases {
56 serial0 = &uart1;
57 };
58
59 backlight: backlight {
60 compatible = "pwm-backlight";
61 pwms = <&pwm 0 50000 PWM_POLAR
62 brightness-levels = <0 10 20 3
63 default-brightness-level = <8>
64 power-supply = <®_vcc3v3>;
65 /* TODO: backlight uses axp gp
66 };
67
68 chosen {
69 stdout-path = "serial0:115200n
70 };
71 };
72
73 &cpu0 {
74 cpu-supply = <®_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 = <®_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 = <®_vcc3v3>;
122 bus-width = <4>;
123 cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>;
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 ®_dcdc2 {
138 regulator-always-on;
139 regulator-min-microvolt = <1000000>;
140 regulator-max-microvolt = <1400000>;
141 regulator-name = "vdd-cpu";
142 };
143
144 ®_dcdc3 {
145 regulator-always-on;
146 regulator-min-microvolt = <1250000>;
147 regulator-max-microvolt = <1250000>;
148 regulator-name = "vdd-int-pll";
149 };
150
151 ®_ldo1 {
152 regulator-name = "vdd-rtc";
153 };
154
155 ®_ldo2 {
156 regulator-always-on;
157 regulator-min-microvolt = <3000000>;
158 regulator-max-microvolt = <3000000>;
159 regulator-name = "avcc";
160 };
161
162 ®_ldo3 {
163 regulator-min-microvolt = <3300000>;
164 regulator-max-microvolt = <3300000>;
165 regulator-name = "vcc-wifi";
166 };
167
168 ®_usb0_vbus {
169 gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /
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_AC
186 usb0_vbus_det-gpios = <&pio 6 1 (GPIO_
187 usb0_vbus-supply = <®_usb0_vbus>;
188 usb1_vbus-supply = <®_ldo3>;
189 status = "okay";
190 };
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