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d5c1274f 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 | */ | |
110af36a | 42 | #include "sunxi-reference-design-tablet.dtsi" |
d5c1274f | 43 | |
9bfe7c8d | 44 | #include <dt-bindings/interrupt-controller/irq.h> |
6fb2ffd7 HG |
45 | #include <dt-bindings/pwm/pwm.h> |
46 | ||
d5c1274f HG |
47 | / { |
48 | aliases { | |
49 | serial0 = &uart1; | |
50 | }; | |
51 | ||
6fb2ffd7 HG |
52 | backlight: backlight { |
53 | compatible = "pwm-backlight"; | |
54 | pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; | |
55 | brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; | |
56 | default-brightness-level = <8>; | |
57 | /* TODO: backlight uses axp gpio1 as enable pin */ | |
58 | }; | |
59 | ||
d5c1274f HG |
60 | chosen { |
61 | stdout-path = "serial0:115200n8"; | |
62 | }; | |
63 | }; | |
64 | ||
dddc8e0b CYT |
65 | &codec { |
66 | pinctrl-names = "default"; | |
67 | pinctrl-0 = <&codec_pa_pin>; | |
68 | allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */ | |
69 | status = "okay"; | |
70 | }; | |
71 | ||
d5c1274f HG |
72 | &cpu0 { |
73 | cpu-supply = <®_dcdc2>; | |
74 | }; | |
75 | ||
76 | &ehci0 { | |
77 | status = "okay"; | |
78 | }; | |
79 | ||
80 | &i2c0 { | |
81 | axp209: pmic@34 { | |
82 | reg = <0x34>; | |
83 | interrupts = <0>; | |
84 | }; | |
85 | }; | |
86 | ||
87 | &i2c1 { | |
9bfe7c8d HG |
88 | /* |
89 | * The gsl1680 is rated at 400KHz and it will not work reliable at | |
90 | * 100KHz, this has been confirmed on multiple different q8 tablets. | |
91 | * All other devices on this bus are also rated for 400KHz. | |
92 | */ | |
93 | clock-frequency = <400000>; | |
94 | ||
0729b4af RH |
95 | touchscreen: touchscreen@40 { |
96 | reg = <0x40>; | |
9bfe7c8d HG |
97 | interrupt-parent = <&pio>; |
98 | interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; /* EINT11 (PG11) */ | |
99 | pinctrl-names = "default"; | |
100 | pinctrl-0 = <&ts_power_pin>; | |
101 | power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */ | |
102 | /* Tablet dts must provide reg and compatible */ | |
103 | status = "disabled"; | |
104 | }; | |
105 | ||
d5c1274f HG |
106 | pcf8563: rtc@51 { |
107 | compatible = "nxp,pcf8563"; | |
108 | reg = <0x51>; | |
109 | }; | |
110 | }; | |
111 | ||
112 | #include "axp209.dtsi" | |
113 | ||
c6ec770c CYT |
114 | &ac_power_supply { |
115 | status = "okay"; | |
116 | }; | |
117 | ||
118 | &battery_power_supply { | |
119 | status = "okay"; | |
120 | }; | |
121 | ||
83c99426 HG |
122 | &lradc { |
123 | vref-supply = <®_ldo2>; | |
124 | }; | |
125 | ||
d5c1274f HG |
126 | &mmc0 { |
127 | pinctrl-names = "default"; | |
86ee0974 | 128 | pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>; |
d5c1274f HG |
129 | vmmc-supply = <®_vcc3v0>; |
130 | bus-width = <4>; | |
45e01f40 | 131 | cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */ |
d5c1274f HG |
132 | status = "okay"; |
133 | }; | |
134 | ||
135 | &otg_sram { | |
136 | status = "okay"; | |
137 | }; | |
138 | ||
139 | &pio { | |
dddc8e0b | 140 | codec_pa_pin: codec_pa_pin@0 { |
1edcd36f MR |
141 | pins = "PG10"; |
142 | function = "gpio_out"; | |
dddc8e0b CYT |
143 | }; |
144 | ||
86ee0974 | 145 | mmc0_cd_pin: mmc0_cd_pin@0 { |
1edcd36f MR |
146 | pins = "PG0"; |
147 | function = "gpio_in"; | |
148 | bias-pull-up; | |
d5c1274f HG |
149 | }; |
150 | ||
9bfe7c8d HG |
151 | ts_power_pin: ts_power_pin { |
152 | pins = "PB3"; | |
153 | function = "gpio_out"; | |
154 | drive-strength = <10>; | |
155 | bias-disable; | |
156 | }; | |
157 | ||
d5c1274f | 158 | usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 { |
1edcd36f MR |
159 | pins = "PG1"; |
160 | function = "gpio_in"; | |
161 | bias-pull-down; | |
d5c1274f HG |
162 | }; |
163 | ||
164 | usb0_id_detect_pin: usb0_id_detect_pin@0 { | |
1edcd36f MR |
165 | pins = "PG2"; |
166 | function = "gpio_in"; | |
167 | bias-pull-up; | |
d5c1274f HG |
168 | }; |
169 | ||
170 | usb0_vbus_pin_a: usb0_vbus_pin@0 { | |
1edcd36f MR |
171 | pins = "PG12"; |
172 | function = "gpio_out"; | |
d5c1274f HG |
173 | }; |
174 | }; | |
175 | ||
176 | ®_dcdc2 { | |
177 | regulator-always-on; | |
178 | regulator-min-microvolt = <1000000>; | |
179 | regulator-max-microvolt = <1500000>; | |
180 | regulator-name = "vdd-cpu"; | |
181 | }; | |
182 | ||
183 | ®_dcdc3 { | |
184 | regulator-always-on; | |
185 | regulator-min-microvolt = <1000000>; | |
186 | regulator-max-microvolt = <1400000>; | |
187 | regulator-name = "vdd-int-pll"; | |
188 | }; | |
189 | ||
190 | ®_ldo1 { | |
191 | regulator-name = "vdd-rtc"; | |
192 | }; | |
193 | ||
194 | ®_ldo2 { | |
195 | regulator-always-on; | |
196 | regulator-min-microvolt = <3000000>; | |
197 | regulator-max-microvolt = <3000000>; | |
198 | regulator-name = "avcc"; | |
199 | }; | |
200 | ||
3463f32f CYT |
201 | ®_ldo3 { |
202 | regulator-min-microvolt = <3300000>; | |
203 | regulator-max-microvolt = <3300000>; | |
204 | regulator-name = "vcc-wifi"; | |
205 | }; | |
206 | ||
d5c1274f HG |
207 | ®_usb0_vbus { |
208 | gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ | |
209 | status = "okay"; | |
210 | }; | |
211 | ||
212 | &uart1 { | |
213 | pinctrl-names = "default"; | |
214 | pinctrl-0 = <&uart1_pins_b>; | |
215 | status = "okay"; | |
216 | }; | |
217 | ||
218 | &usb_otg { | |
219 | dr_mode = "otg"; | |
220 | status = "okay"; | |
221 | }; | |
222 | ||
815c1593 CYT |
223 | &usb_power_supply { |
224 | status = "okay"; | |
225 | }; | |
226 | ||
d5c1274f HG |
227 | &usbphy { |
228 | pinctrl-names = "default"; | |
229 | pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; | |
230 | usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ | |
231 | usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ | |
815c1593 | 232 | usb0_vbus_power-supply = <&usb_power_supply>; |
d5c1274f | 233 | usb0_vbus-supply = <®_usb0_vbus>; |
3463f32f | 234 | usb1_vbus-supply = <®_ldo3>; |
d5c1274f HG |
235 | status = "okay"; |
236 | }; |