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edbc6f1f 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 | #include "sunxi-reference-design-tablet.dtsi" | |
43 | ||
44 | #include <dt-bindings/pwm/pwm.h> | |
45 | ||
46 | / { | |
47 | aliases { | |
48 | serial0 = &r_uart; | |
49 | }; | |
50 | ||
51 | backlight: backlight { | |
52 | compatible = "pwm-backlight"; | |
edbc6f1f HG |
53 | pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; |
54 | brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; | |
55 | default-brightness-level = <8>; | |
56 | enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */ | |
57 | }; | |
58 | ||
59 | chosen { | |
60 | stdout-path = "serial0:115200n8"; | |
61 | }; | |
62 | }; | |
63 | ||
e8552107 HG |
64 | &i2c0 { |
65 | /* | |
66 | * The gsl1680 is rated at 400KHz and it will not work reliable at | |
67 | * 100KHz, this has been confirmed on multiple different q8 tablets. | |
68 | * The gsl1680 is the only device on this bus. | |
69 | */ | |
70 | clock-frequency = <400000>; | |
71 | ||
0729b4af RH |
72 | touchscreen: touchscreen@40 { |
73 | reg = <0x40>; | |
e8552107 HG |
74 | interrupt-parent = <&pio>; |
75 | interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */ | |
76 | pinctrl-names = "default"; | |
77 | pinctrl-0 = <&ts_power_pin>; | |
78 | power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ | |
c224d20d | 79 | /* Tablet dts must provide reg and compatible */ |
e8552107 HG |
80 | status = "disabled"; |
81 | }; | |
82 | }; | |
83 | ||
edbc6f1f HG |
84 | &mmc0 { |
85 | pinctrl-names = "default"; | |
86 | pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>; | |
87 | vmmc-supply = <®_dcdc1>; | |
88 | bus-width = <4>; | |
45e01f40 | 89 | cd-gpios = <&pio 1 4 GPIO_ACTIVE_LOW>; /* PB4 */ |
edbc6f1f HG |
90 | status = "okay"; |
91 | }; | |
92 | ||
93 | &pio { | |
edbc6f1f | 94 | mmc0_cd_pin: mmc0_cd_pin@0 { |
1edcd36f MR |
95 | pins = "PB4"; |
96 | function = "gpio_in"; | |
97 | bias-pull-up; | |
edbc6f1f HG |
98 | }; |
99 | ||
e8552107 | 100 | ts_power_pin: ts_power_pin@0 { |
1edcd36f MR |
101 | pins = "PH1"; |
102 | function = "gpio_out"; | |
e8552107 HG |
103 | }; |
104 | ||
edbc6f1f | 105 | usb0_id_detect_pin: usb0_id_detect_pin@0 { |
1edcd36f MR |
106 | pins = "PH8"; |
107 | function = "gpio_in"; | |
108 | bias-pull-up; | |
edbc6f1f HG |
109 | }; |
110 | }; | |
111 | ||
112 | &r_rsb { | |
113 | status = "okay"; | |
114 | ||
115 | axp22x: pmic@3a3 { | |
116 | compatible = "x-powers,axp223"; | |
117 | reg = <0x3a3>; | |
118 | interrupt-parent = <&nmi_intc>; | |
119 | interrupts = <0 IRQ_TYPE_LEVEL_LOW>; | |
120 | eldoin-supply = <®_dcdc1>; | |
672244fa | 121 | drivevbus-supply = <®_vcc5v0>; |
edbc6f1f HG |
122 | x-powers,drive-vbus-en; |
123 | }; | |
124 | }; | |
125 | ||
3995d3f4 | 126 | #include "axp223.dtsi" |
edbc6f1f | 127 | |
afa22ac7 CYT |
128 | &ac_power_supply { |
129 | status = "okay"; | |
130 | }; | |
131 | ||
132 | &battery_power_supply { | |
133 | status = "okay"; | |
134 | }; | |
135 | ||
edbc6f1f HG |
136 | ®_aldo1 { |
137 | regulator-always-on; | |
138 | regulator-min-microvolt = <3000000>; | |
139 | regulator-max-microvolt = <3000000>; | |
140 | regulator-name = "vcc-io"; | |
141 | }; | |
142 | ||
143 | ®_aldo2 { | |
144 | regulator-always-on; | |
145 | regulator-min-microvolt = <2350000>; | |
146 | regulator-max-microvolt = <2650000>; | |
147 | regulator-name = "vdd-dll"; | |
148 | }; | |
149 | ||
150 | ®_aldo3 { | |
151 | regulator-always-on; | |
152 | regulator-min-microvolt = <2700000>; | |
153 | regulator-max-microvolt = <3300000>; | |
154 | regulator-name = "vcc-pll-avcc"; | |
155 | }; | |
156 | ||
157 | ®_dc1sw { | |
158 | regulator-name = "vcc-lcd"; | |
159 | }; | |
160 | ||
161 | ®_dc5ldo { | |
162 | regulator-always-on; | |
163 | regulator-min-microvolt = <900000>; | |
164 | regulator-max-microvolt = <1400000>; | |
165 | regulator-name = "vdd-cpus"; | |
166 | }; | |
167 | ||
168 | ®_dcdc1 { | |
169 | regulator-always-on; | |
170 | regulator-min-microvolt = <3000000>; | |
171 | regulator-max-microvolt = <3000000>; | |
172 | regulator-name = "vcc-3v0"; | |
173 | }; | |
174 | ||
175 | ®_dcdc2 { | |
176 | regulator-always-on; | |
177 | regulator-min-microvolt = <900000>; | |
178 | regulator-max-microvolt = <1400000>; | |
179 | regulator-name = "vdd-sys"; | |
180 | }; | |
181 | ||
182 | ®_dcdc3 { | |
183 | regulator-always-on; | |
184 | regulator-min-microvolt = <900000>; | |
185 | regulator-max-microvolt = <1400000>; | |
186 | regulator-name = "vdd-cpu"; | |
187 | }; | |
188 | ||
189 | ®_dcdc5 { | |
190 | regulator-always-on; | |
191 | regulator-min-microvolt = <1500000>; | |
192 | regulator-max-microvolt = <1500000>; | |
193 | regulator-name = "vcc-dram"; | |
194 | }; | |
195 | ||
196 | ®_dldo1 { | |
197 | regulator-min-microvolt = <3300000>; | |
198 | regulator-max-microvolt = <3300000>; | |
199 | regulator-name = "vcc-wifi"; | |
200 | }; | |
201 | ||
202 | ®_drivevbus { | |
203 | regulator-name = "usb0-vbus"; | |
204 | status = "okay"; | |
205 | }; | |
206 | ||
6a08816d HG |
207 | ®_ldo_io1 { |
208 | regulator-min-microvolt = <3300000>; | |
209 | regulator-max-microvolt = <3300000>; | |
210 | regulator-name = "vcc-touchscreen"; | |
211 | status = "okay"; | |
212 | }; | |
213 | ||
edbc6f1f HG |
214 | ®_rtc_ldo { |
215 | regulator-name = "vcc-rtc"; | |
216 | }; | |
217 | ||
90f6e8f4 IZ |
218 | &cpu0 { |
219 | cpu-supply = <®_dcdc2>; | |
220 | }; | |
221 | ||
edbc6f1f HG |
222 | &r_uart { |
223 | pinctrl-names = "default"; | |
224 | pinctrl-0 = <&r_uart_pins_a>; | |
225 | status = "okay"; | |
226 | }; | |
227 | ||
228 | &simplefb_lcd { | |
229 | vcc-lcd-supply = <®_dc1sw>; | |
230 | }; | |
231 | ||
232 | &usb_otg { | |
233 | dr_mode = "otg"; | |
234 | status = "okay"; | |
235 | }; | |
236 | ||
237 | &usb_power_supply { | |
238 | status = "okay"; | |
239 | }; | |
240 | ||
241 | &usbphy { | |
242 | pinctrl-names = "default"; | |
243 | pinctrl-0 = <&usb0_id_detect_pin>; | |
244 | usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */ | |
245 | usb0_vbus_power-supply = <&usb_power_supply>; | |
246 | usb0_vbus-supply = <®_drivevbus>; | |
247 | status = "okay"; | |
248 | }; |