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2f40620a 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 "sun8i-a23.dtsi" | |
45 | #include "sunxi-common-regulators.dtsi" | |
46 | ||
47 | #include <dt-bindings/gpio/gpio.h> | |
48 | #include <dt-bindings/input/input.h> | |
49 | #include <dt-bindings/pinctrl/sun4i-a10.h> | |
f7eda3d5 | 50 | #include <dt-bindings/pwm/pwm.h> |
2f40620a HG |
51 | |
52 | / { | |
388bc9a7 HG |
53 | model = "Allwinner GT90H Dual Core Tablet (v4)"; |
54 | compatible = "allwinner,gt90h-v4", "allwinner,sun8i-a23"; | |
2f40620a HG |
55 | |
56 | aliases { | |
57 | serial0 = &r_uart; | |
58 | }; | |
59 | ||
f7eda3d5 HG |
60 | backlight: backlight { |
61 | compatible = "pwm-backlight"; | |
62 | pinctrl-names = "default"; | |
63 | pinctrl-0 = <&bl_en_pin_gt90h>; | |
64 | pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; | |
65 | brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; | |
66 | default-brightness-level = <8>; | |
67 | enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */ | |
68 | }; | |
69 | ||
2f40620a HG |
70 | chosen { |
71 | stdout-path = "serial0:115200n8"; | |
72 | }; | |
73 | }; | |
74 | ||
75 | &ehci0 { | |
76 | status = "okay"; | |
77 | }; | |
78 | ||
79 | &i2c0 { | |
80 | pinctrl-names = "default"; | |
81 | pinctrl-0 = <&i2c0_pins_a>; | |
82 | status = "okay"; | |
83 | }; | |
84 | ||
85 | &i2c1 { | |
86 | pinctrl-names = "default"; | |
87 | pinctrl-0 = <&i2c1_pins_a>; | |
88 | status = "okay"; | |
89 | }; | |
90 | ||
91 | &lradc { | |
92 | vref-supply = <®_vcc3v0>; | |
93 | status = "okay"; | |
94 | ||
95 | button@200 { | |
96 | label = "Volume Up"; | |
97 | linux,code = <KEY_VOLUMEUP>; | |
98 | channel = <0>; | |
99 | voltage = <200000>; | |
100 | }; | |
101 | ||
102 | button@400 { | |
103 | label = "Volume Down"; | |
104 | linux,code = <KEY_VOLUMEDOWN>; | |
105 | channel = <0>; | |
106 | voltage = <400000>; | |
107 | }; | |
108 | ||
109 | button@600 { | |
110 | label = "Back"; | |
111 | linux,code = <KEY_BACK>; | |
112 | channel = <0>; | |
113 | voltage = <600000>; | |
114 | }; | |
115 | }; | |
116 | ||
117 | &mmc0 { | |
118 | pinctrl-names = "default"; | |
119 | pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gt90h>; | |
cbed866e | 120 | vmmc-supply = <®_aldo1>; |
2f40620a HG |
121 | bus-width = <4>; |
122 | cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */ | |
123 | cd-inverted; | |
124 | status = "okay"; | |
125 | }; | |
126 | ||
127 | &pio { | |
f7eda3d5 HG |
128 | bl_en_pin_gt90h: bl_en_pin@0 { |
129 | allwinner,pins = "PH6"; | |
130 | allwinner,function = "gpio_in"; | |
131 | allwinner,drive = <SUN4I_PINCTRL_10_MA>; | |
132 | allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; | |
133 | }; | |
134 | ||
2f40620a HG |
135 | mmc0_cd_pin_gt90h: mmc0_cd_pin@0 { |
136 | allwinner,pins = "PB4"; | |
137 | allwinner,function = "gpio_in"; | |
138 | allwinner,drive = <SUN4I_PINCTRL_10_MA>; | |
139 | allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; | |
140 | }; | |
141 | }; | |
142 | ||
f7eda3d5 HG |
143 | &pwm { |
144 | pinctrl-names = "default"; | |
145 | pinctrl-0 = <&pwm0_pins>; | |
146 | status = "okay"; | |
147 | }; | |
148 | ||
a1162a91 HG |
149 | &r_rsb { |
150 | status = "okay"; | |
151 | ||
152 | axp22x: pmic@3a3 { | |
153 | compatible = "x-powers,axp223"; | |
154 | reg = <0x3a3>; | |
155 | interrupt-parent = <&nmi_intc>; | |
156 | interrupts = <0 IRQ_TYPE_LEVEL_LOW>; | |
157 | eldoin-supply = <®_dcdc1>; | |
158 | }; | |
159 | }; | |
160 | ||
2f40620a HG |
161 | &r_uart { |
162 | pinctrl-names = "default"; | |
163 | pinctrl-0 = <&r_uart_pins_a>; | |
164 | status = "okay"; | |
165 | }; | |
166 | ||
a1162a91 HG |
167 | #include "axp22x.dtsi" |
168 | ||
169 | ®_aldo1 { | |
170 | regulator-always-on; | |
171 | regulator-min-microvolt = <3000000>; | |
172 | regulator-max-microvolt = <3000000>; | |
173 | regulator-name = "vcc-io"; | |
174 | }; | |
175 | ||
176 | ®_aldo2 { | |
177 | regulator-always-on; | |
178 | regulator-min-microvolt = <2350000>; | |
179 | regulator-max-microvolt = <2650000>; | |
180 | regulator-name = "vdd-dll"; | |
181 | }; | |
182 | ||
183 | ®_aldo3 { | |
184 | regulator-always-on; | |
185 | regulator-min-microvolt = <2700000>; | |
186 | regulator-max-microvolt = <3300000>; | |
187 | regulator-name = "vcc-pll-avcc"; | |
188 | }; | |
189 | ||
190 | ®_dc1sw { | |
191 | regulator-name = "vcc-lcd"; | |
192 | }; | |
193 | ||
194 | ®_dc5ldo { | |
195 | regulator-always-on; | |
196 | regulator-min-microvolt = <900000>; | |
197 | regulator-max-microvolt = <1400000>; | |
198 | regulator-name = "vdd-cpus"; | |
199 | }; | |
200 | ||
201 | ®_dcdc1 { | |
202 | regulator-always-on; | |
203 | regulator-min-microvolt = <3000000>; | |
204 | regulator-max-microvolt = <3000000>; | |
205 | regulator-name = "vcc-3v0"; | |
206 | }; | |
207 | ||
208 | ®_dcdc2 { | |
209 | regulator-always-on; | |
210 | regulator-min-microvolt = <900000>; | |
211 | regulator-max-microvolt = <1400000>; | |
212 | regulator-name = "vdd-sys"; | |
213 | }; | |
214 | ||
215 | ®_dcdc3 { | |
216 | regulator-always-on; | |
217 | regulator-min-microvolt = <900000>; | |
218 | regulator-max-microvolt = <1400000>; | |
219 | regulator-name = "vdd-cpu"; | |
220 | }; | |
221 | ||
222 | ®_dcdc5 { | |
223 | regulator-always-on; | |
224 | regulator-min-microvolt = <1500000>; | |
225 | regulator-max-microvolt = <1500000>; | |
226 | regulator-name = "vcc-dram"; | |
227 | }; | |
228 | ||
229 | ®_dldo1 { | |
230 | regulator-min-microvolt = <3300000>; | |
231 | regulator-max-microvolt = <3300000>; | |
232 | regulator-name = "vcc-wifi"; | |
233 | }; | |
234 | ||
235 | ®_rtc_ldo { | |
236 | regulator-name = "vcc-rtc"; | |
237 | }; | |
238 | ||
239 | &simplefb_lcd { | |
240 | vcc-lcd-supply = <®_dc1sw>; | |
241 | }; | |
242 | ||
2f40620a HG |
243 | /* |
244 | * FIXME for now we only support host mode and rely on u-boot to have | |
245 | * turned on Vbus which is controlled by the axp223 pmic on the board. | |
246 | * | |
247 | * Once we have axp223 support we should switch to fully supporting otg. | |
248 | */ | |
249 | &usb_otg { | |
250 | dr_mode = "host"; | |
251 | status = "okay"; | |
252 | }; | |
253 | ||
254 | &usbphy { | |
a1162a91 | 255 | usb1_vbus-supply = <®_dldo1>; |
2f40620a HG |
256 | status = "okay"; |
257 | }; |