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12ec9384 HG |
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> | |
12ec9384 HG |
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 | /* TODO: backlight uses axp gpio1 as enable pin */ | |
65 | }; | |
66 | ||
67 | chosen { | |
68 | stdout-path = "serial0:115200n8"; | |
69 | }; | |
70 | }; | |
71 | ||
72 | &cpu0 { | |
73 | cpu-supply = <®_dcdc2>; | |
74 | }; | |
75 | ||
76 | &ehci0 { | |
77 | status = "okay"; | |
78 | }; | |
79 | ||
80 | &i2c0 { | |
81 | pinctrl-names = "default"; | |
82 | pinctrl-0 = <&i2c0_pins_a>; | |
83 | status = "okay"; | |
84 | ||
85 | axp209: pmic@34 { | |
86 | reg = <0x34>; | |
87 | interrupts = <0>; | |
88 | }; | |
89 | }; | |
90 | ||
91 | #include "axp209.dtsi" | |
92 | ||
93 | &i2c1 { | |
94 | pinctrl-names = "default"; | |
95 | pinctrl-0 = <&i2c1_pins_a>; | |
96 | status = "okay"; | |
97 | ||
98 | pcf8563: rtc@51 { | |
99 | compatible = "nxp,pcf8563"; | |
100 | reg = <0x51>; | |
101 | }; | |
102 | }; | |
103 | ||
104 | &lradc { | |
105 | vref-supply = <®_ldo2>; | |
106 | status = "okay"; | |
107 | ||
108 | button@200 { | |
109 | label = "Volume Up"; | |
110 | linux,code = <KEY_VOLUMEUP>; | |
111 | channel = <0>; | |
112 | voltage = <200000>; | |
113 | }; | |
114 | ||
115 | button@400 { | |
116 | label = "Volume Down"; | |
117 | linux,code = <KEY_VOLUMEDOWN>; | |
118 | channel = <0>; | |
119 | voltage = <400000>; | |
120 | }; | |
121 | }; | |
122 | ||
123 | &mmc0 { | |
124 | pinctrl-names = "default"; | |
163172c0 | 125 | pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_d709>; |
12ec9384 HG |
126 | vmmc-supply = <®_vcc3v3>; |
127 | bus-width = <4>; | |
128 | cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */ | |
129 | cd-inverted; | |
130 | status = "okay"; | |
131 | }; | |
132 | ||
12ec9384 HG |
133 | &otg_sram { |
134 | status = "okay"; | |
135 | }; | |
136 | ||
137 | &pio { | |
163172c0 | 138 | mmc0_cd_pin_d709: mmc0_cd_pin@0 { |
1edcd36f MR |
139 | pins = "PG0"; |
140 | function = "gpio_in"; | |
141 | bias-pull-up; | |
12ec9384 HG |
142 | }; |
143 | ||
144 | usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 { | |
1edcd36f MR |
145 | pins = "PG1"; |
146 | function = "gpio_in"; | |
147 | bias-pull-down; | |
12ec9384 HG |
148 | }; |
149 | ||
150 | usb0_id_detect_pin: usb0_id_detect_pin@0 { | |
1edcd36f MR |
151 | pins = "PG2"; |
152 | function = "gpio_in"; | |
153 | bias-pull-up; | |
12ec9384 HG |
154 | }; |
155 | }; | |
156 | ||
157 | &pwm { | |
158 | pinctrl-names = "default"; | |
159 | pinctrl-0 = <&pwm0_pins>; | |
160 | status = "okay"; | |
161 | }; | |
162 | ||
163 | ®_dcdc2 { | |
164 | regulator-always-on; | |
165 | regulator-min-microvolt = <1000000>; | |
166 | regulator-max-microvolt = <1400000>; | |
167 | regulator-name = "vdd-cpu"; | |
168 | }; | |
169 | ||
170 | ®_dcdc3 { | |
171 | regulator-always-on; | |
172 | regulator-min-microvolt = <1250000>; | |
173 | regulator-max-microvolt = <1250000>; | |
174 | regulator-name = "vdd-int-pll"; | |
175 | }; | |
176 | ||
177 | ®_ldo1 { | |
178 | regulator-name = "vdd-rtc"; | |
179 | }; | |
180 | ||
181 | ®_ldo2 { | |
182 | regulator-always-on; | |
183 | regulator-min-microvolt = <3000000>; | |
184 | regulator-max-microvolt = <3000000>; | |
185 | regulator-name = "avcc"; | |
186 | }; | |
187 | ||
188 | ®_ldo3 { | |
189 | regulator-min-microvolt = <3300000>; | |
190 | regulator-max-microvolt = <3300000>; | |
191 | regulator-name = "vcc-wifi"; | |
192 | }; | |
193 | ||
194 | ®_usb0_vbus { | |
195 | gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ | |
196 | status = "okay"; | |
197 | }; | |
198 | ||
199 | &uart1 { | |
200 | pinctrl-names = "default"; | |
201 | pinctrl-0 = <&uart1_pins_b>; | |
202 | status = "okay"; | |
203 | }; | |
204 | ||
205 | &usb_otg { | |
206 | dr_mode = "otg"; | |
207 | status = "okay"; | |
208 | }; | |
209 | ||
12ec9384 HG |
210 | &usbphy { |
211 | pinctrl-names = "default"; | |
212 | pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; | |
213 | usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ | |
214 | usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ | |
215 | usb0_vbus-supply = <®_usb0_vbus>; | |
216 | usb1_vbus-supply = <®_ldo3>; | |
217 | status = "okay"; | |
218 | }; |