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1 | /* | |
2 | * Copyright 2015 Chen-Yu Tsai | |
3 | * | |
4 | * Chen-Yu Tsai <wens@csie.org> | |
5 | * | |
6 | * This file is dual-licensed: you can use it either under the terms | |
7 | * of the GPL or the X11 license, at your option. Note that this dual | |
8 | * licensing only applies to this file, and not this project as a | |
9 | * whole. | |
10 | * | |
11 | * a) This file is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of the | |
14 | * License, or (at your option) any later version. | |
15 | * | |
16 | * This file is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * Or, alternatively, | |
22 | * | |
23 | * b) Permission is hereby granted, free of charge, to any person | |
24 | * obtaining a copy of this software and associated documentation | |
25 | * files (the "Software"), to deal in the Software without | |
26 | * restriction, including without limitation the rights to use, | |
27 | * copy, modify, merge, publish, distribute, sublicense, and/or | |
28 | * sell copies of the Software, and to permit persons to whom the | |
29 | * Software is furnished to do so, subject to the following | |
30 | * conditions: | |
31 | * | |
32 | * The above copyright notice and this permission notice shall be | |
33 | * included in all copies or substantial portions of the Software. | |
34 | * | |
35 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
36 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
37 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
38 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
39 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
40 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
41 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
42 | * OTHER DEALINGS IN THE SOFTWARE. | |
43 | */ | |
44 | ||
45 | /dts-v1/; | |
46 | #include "sun8i-a83t.dtsi" | |
47 | ||
48 | #include <dt-bindings/gpio/gpio.h> | |
49 | ||
50 | / { | |
51 | model = "Cubietech Cubietruck Plus"; | |
52 | compatible = "cubietech,cubietruck-plus", "allwinner,sun8i-a83t"; | |
53 | ||
54 | aliases { | |
55 | ethernet0 = &emac; | |
56 | serial0 = &uart0; | |
57 | }; | |
58 | ||
59 | chosen { | |
60 | stdout-path = "serial0:115200n8"; | |
61 | }; | |
62 | ||
63 | leds { | |
64 | compatible = "gpio-leds"; | |
65 | ||
66 | blue { | |
67 | label = "cubietruck-plus:blue:usr"; | |
68 | gpios = <&pio 3 25 GPIO_ACTIVE_HIGH>; /* PD25 */ | |
69 | }; | |
70 | ||
71 | orange { | |
72 | label = "cubietruck-plus:orange:usr"; | |
73 | gpios = <&pio 3 26 GPIO_ACTIVE_HIGH>; /* PD26 */ | |
74 | }; | |
75 | ||
76 | white { | |
77 | label = "cubietruck-plus:white:usr"; | |
78 | gpios = <&pio 3 27 GPIO_ACTIVE_HIGH>; /* PD27 */ | |
79 | }; | |
80 | ||
81 | green { | |
82 | label = "cubietruck-plus:green:usr"; | |
83 | gpios = <&pio 4 4 GPIO_ACTIVE_HIGH>; /* PE4 */ | |
84 | }; | |
85 | }; | |
86 | ||
87 | usb-hub { | |
88 | /* I2C is not connected */ | |
89 | compatible = "smsc,usb3503"; | |
90 | initial-mode = <1>; /* initialize in HUB mode */ | |
91 | disabled-ports = <1>; | |
92 | intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ | |
93 | reset-gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */ | |
94 | connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */ | |
95 | refclk-frequency = <19200000>; | |
96 | }; | |
97 | ||
98 | reg_usb1_vbus: reg-usb1-vbus { | |
99 | compatible = "regulator-fixed"; | |
100 | regulator-name = "usb1-vbus"; | |
101 | regulator-min-microvolt = <5000000>; | |
102 | regulator-max-microvolt = <5000000>; | |
103 | regulator-boot-on; | |
104 | enable-active-high; | |
105 | gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */ | |
106 | }; | |
107 | ||
108 | reg_usb2_vbus: reg-usb2-vbus { | |
109 | compatible = "regulator-fixed"; | |
110 | regulator-name = "usb2-vbus"; | |
111 | regulator-min-microvolt = <5000000>; | |
112 | regulator-max-microvolt = <5000000>; | |
113 | regulator-boot-on; | |
114 | enable-active-high; | |
115 | gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ | |
116 | }; | |
117 | ||
118 | sound { | |
119 | compatible = "simple-audio-card"; | |
120 | simple-audio-card,name = "On-board SPDIF"; | |
121 | ||
122 | simple-audio-card,cpu { | |
123 | sound-dai = <&spdif>; | |
124 | }; | |
125 | ||
126 | simple-audio-card,codec { | |
127 | sound-dai = <&spdif_out>; | |
128 | }; | |
129 | }; | |
130 | ||
131 | spdif_out: spdif-out { | |
132 | #sound-dai-cells = <0>; | |
133 | compatible = "linux,spdif-dit"; | |
134 | }; | |
135 | ||
136 | wifi_pwrseq: wifi_pwrseq { | |
137 | compatible = "mmc-pwrseq-simple"; | |
138 | clocks = <&ac100_rtc 1>; | |
139 | clock-names = "ext_clock"; | |
140 | /* The WiFi low power clock must be 32768 Hz */ | |
141 | assigned-clocks = <&ac100_rtc 1>; | |
142 | assigned-clock-rates = <32768>; | |
143 | /* enables internal regulator and de-asserts reset */ | |
144 | reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */ | |
145 | }; | |
146 | }; | |
147 | ||
148 | &cpu0 { | |
149 | cpu-supply = <®_dcdc2>; | |
150 | }; | |
151 | ||
152 | &cpu100 { | |
153 | cpu-supply = <®_dcdc3>; | |
154 | }; | |
155 | ||
156 | &ehci0 { | |
157 | /* GL830 USB-to-SATA bridge here */ | |
158 | status = "okay"; | |
159 | }; | |
160 | ||
161 | &ehci1 { | |
162 | /* USB3503 HSIC USB 2.0 hub here */ | |
163 | status = "okay"; | |
164 | }; | |
165 | ||
166 | &emac { | |
167 | pinctrl-names = "default"; | |
168 | pinctrl-0 = <&emac_rgmii_pins>; | |
169 | phy-supply = <®_dldo4>; | |
170 | phy-handle = <&rgmii_phy>; | |
171 | phy-mode = "rgmii"; | |
172 | status = "okay"; | |
173 | }; | |
174 | ||
175 | &mdio { | |
176 | rgmii_phy: ethernet-phy@1 { | |
177 | compatible = "ethernet-phy-ieee802.3-c22"; | |
178 | reg = <1>; | |
179 | }; | |
180 | }; | |
181 | ||
182 | &mmc0 { | |
183 | pinctrl-names = "default"; | |
184 | pinctrl-0 = <&mmc0_pins>; | |
185 | vmmc-supply = <®_dcdc1>; | |
186 | bus-width = <4>; | |
187 | cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */ | |
188 | status = "okay"; | |
189 | }; | |
190 | ||
191 | &mmc1 { | |
192 | vmmc-supply = <®_dcdc1>; | |
193 | vqmmc-supply = <®_sw>; | |
194 | mmc-pwrseq = <&wifi_pwrseq>; | |
195 | bus-width = <4>; | |
196 | non-removable; | |
197 | status = "okay"; | |
198 | }; | |
199 | ||
200 | &mmc2 { | |
201 | pinctrl-names = "default"; | |
202 | pinctrl-0 = <&mmc2_8bit_emmc_pins>; | |
203 | vmmc-supply = <®_dcdc1>; | |
204 | bus-width = <8>; | |
205 | non-removable; | |
206 | cap-mmc-hw-reset; | |
207 | status = "okay"; | |
208 | }; | |
209 | ||
210 | &r_rsb { | |
211 | status = "okay"; | |
212 | ||
213 | axp81x: pmic@3a3 { | |
214 | compatible = "x-powers,axp818", "x-powers,axp813"; | |
215 | reg = <0x3a3>; | |
216 | interrupt-parent = <&r_intc>; | |
217 | interrupts = <0 IRQ_TYPE_LEVEL_LOW>; | |
218 | eldoin-supply = <®_dcdc1>; | |
219 | swin-supply = <®_dcdc1>; | |
220 | x-powers,drive-vbus-en; | |
221 | }; | |
222 | ||
223 | ac100: codec@e89 { | |
224 | compatible = "x-powers,ac100"; | |
225 | reg = <0xe89>; | |
226 | ||
227 | ac100_codec: codec { | |
228 | compatible = "x-powers,ac100-codec"; | |
229 | interrupt-parent = <&r_pio>; | |
230 | interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */ | |
231 | #clock-cells = <0>; | |
232 | clock-output-names = "4M_adda"; | |
233 | }; | |
234 | ||
235 | ac100_rtc: rtc { | |
236 | compatible = "x-powers,ac100-rtc"; | |
237 | interrupt-parent = <&r_intc>; | |
238 | interrupts = <0 IRQ_TYPE_LEVEL_LOW>; | |
239 | clocks = <&ac100_codec>; | |
240 | #clock-cells = <1>; | |
241 | clock-output-names = "cko1_rtc", | |
242 | "cko2_rtc", | |
243 | "cko3_rtc"; | |
244 | }; | |
245 | }; | |
246 | }; | |
247 | ||
248 | #include "axp81x.dtsi" | |
249 | ||
250 | &ac_power_supply { | |
251 | status = "okay"; | |
252 | }; | |
253 | ||
254 | &battery_power_supply { | |
255 | status = "okay"; | |
256 | }; | |
257 | ||
258 | ®_aldo1 { | |
259 | regulator-always-on; | |
260 | regulator-min-microvolt = <1800000>; | |
261 | regulator-max-microvolt = <1800000>; | |
262 | regulator-name = "vcc-1v8"; | |
263 | }; | |
264 | ||
265 | ®_aldo2 { | |
266 | regulator-always-on; | |
267 | regulator-min-microvolt = <1800000>; | |
268 | regulator-max-microvolt = <1800000>; | |
269 | regulator-name = "dram-pll"; | |
270 | }; | |
271 | ||
272 | ®_aldo3 { | |
273 | regulator-always-on; | |
274 | regulator-min-microvolt = <3000000>; | |
275 | regulator-max-microvolt = <3000000>; | |
276 | regulator-name = "avcc"; | |
277 | }; | |
278 | ||
279 | ®_dcdc1 { | |
280 | /* | |
281 | * The schematics say this should be 3.3V, but the FEX file says | |
282 | * it should be 3V. The latter makes sense, as the WiFi module's | |
283 | * I/O is indirectly powered from DCDC1, through SW. It is rated | |
284 | * at 2.98V maximum. | |
285 | */ | |
286 | regulator-always-on; | |
287 | regulator-min-microvolt = <3000000>; | |
288 | regulator-max-microvolt = <3000000>; | |
289 | regulator-name = "vcc-3v"; | |
290 | }; | |
291 | ||
292 | ®_dcdc2 { | |
293 | regulator-always-on; | |
294 | regulator-min-microvolt = <700000>; | |
295 | regulator-max-microvolt = <1100000>; | |
296 | regulator-name = "vdd-cpua"; | |
297 | }; | |
298 | ||
299 | ®_dcdc3 { | |
300 | regulator-always-on; | |
301 | regulator-min-microvolt = <700000>; | |
302 | regulator-max-microvolt = <1100000>; | |
303 | regulator-name = "vdd-cpub"; | |
304 | }; | |
305 | ||
306 | ®_dcdc4 { | |
307 | regulator-min-microvolt = <700000>; | |
308 | regulator-max-microvolt = <1100000>; | |
309 | regulator-name = "vdd-gpu"; | |
310 | }; | |
311 | ||
312 | ®_dcdc5 { | |
313 | regulator-always-on; | |
314 | regulator-min-microvolt = <1500000>; | |
315 | regulator-max-microvolt = <1500000>; | |
316 | regulator-name = "vcc-dram"; | |
317 | }; | |
318 | ||
319 | ®_dcdc6 { | |
320 | regulator-always-on; | |
321 | regulator-min-microvolt = <900000>; | |
322 | regulator-max-microvolt = <900000>; | |
323 | regulator-name = "vdd-sys"; | |
324 | }; | |
325 | ||
326 | ®_dldo2 { | |
327 | regulator-min-microvolt = <3300000>; | |
328 | regulator-max-microvolt = <3300000>; | |
329 | regulator-name = "dp-pwr"; | |
330 | }; | |
331 | ||
332 | ®_dldo3 { | |
333 | regulator-always-on; | |
334 | regulator-min-microvolt = <2500000>; | |
335 | regulator-max-microvolt = <2500000>; | |
336 | regulator-name = "ephy-io"; | |
337 | }; | |
338 | ||
339 | ®_dldo4 { | |
340 | /* | |
341 | * The PHY requires 20ms after all voltages are applied until core | |
342 | * logic is ready and 30ms after the reset pin is de-asserted. | |
343 | * Set a 100ms delay to account for PMIC ramp time and board traces. | |
344 | */ | |
345 | regulator-enable-ramp-delay = <100000>; | |
346 | regulator-min-microvolt = <3300000>; | |
347 | regulator-max-microvolt = <3300000>; | |
348 | regulator-name = "ephy"; | |
349 | }; | |
350 | ||
351 | ®_drivevbus { | |
352 | regulator-name = "usb0-vbus"; | |
353 | status = "okay"; | |
354 | }; | |
355 | ||
356 | ®_eldo1 { | |
357 | regulator-min-microvolt = <1200000>; | |
358 | regulator-max-microvolt = <1200000>; | |
359 | regulator-name = "dp-bridge-1"; | |
360 | }; | |
361 | ||
362 | ®_eldo2 { | |
363 | regulator-min-microvolt = <1200000>; | |
364 | regulator-max-microvolt = <1200000>; | |
365 | regulator-name = "dp-bridge-2"; | |
366 | }; | |
367 | ||
368 | ®_fldo1 { | |
369 | /* TODO should be handled by USB PHY */ | |
370 | regulator-always-on; | |
371 | regulator-min-microvolt = <1080000>; | |
372 | regulator-max-microvolt = <1320000>; | |
373 | regulator-name = "vdd12-hsic"; | |
374 | }; | |
375 | ||
376 | ®_fldo2 { | |
377 | /* | |
378 | * Despite the embedded CPUs core not being used in any way, | |
379 | * this must remain on or the system will hang. | |
380 | */ | |
381 | regulator-always-on; | |
382 | regulator-min-microvolt = <700000>; | |
383 | regulator-max-microvolt = <1100000>; | |
384 | regulator-name = "vdd-cpus"; | |
385 | }; | |
386 | ||
387 | ®_rtc_ldo { | |
388 | regulator-name = "vcc-rtc"; | |
389 | }; | |
390 | ||
391 | ®_sw { | |
392 | regulator-name = "vcc-wifi-io"; | |
393 | }; | |
394 | ||
395 | &spdif { | |
396 | status = "okay"; | |
397 | }; | |
398 | ||
399 | &uart0 { | |
400 | pinctrl-names = "default"; | |
401 | pinctrl-0 = <&uart0_pb_pins>; | |
402 | status = "okay"; | |
403 | }; | |
404 | ||
405 | &uart1 { | |
406 | pinctrl-names = "default"; | |
407 | pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; | |
408 | uart-has-rtscts; | |
409 | status = "okay"; | |
410 | ||
411 | bluetooth { | |
412 | compatible = "brcm,bcm4330-bt"; | |
413 | clocks = <&ac100_rtc 1>; | |
414 | clock-names = "lpo"; | |
415 | vbat-supply = <®_dcdc1>; | |
416 | vddio-supply = <®_sw>; | |
417 | device-wakeup-gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */ | |
418 | host-wakeup-gpios = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ | |
419 | shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */ | |
420 | }; | |
421 | }; | |
422 | ||
423 | &usb_otg { | |
424 | dr_mode = "otg"; | |
425 | status = "okay"; | |
426 | }; | |
427 | ||
428 | &usb_power_supply { | |
429 | status = "okay"; | |
430 | }; | |
431 | ||
432 | &usbphy { | |
433 | usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */ | |
434 | usb0_vbus_power-supply = <&usb_power_supply>; | |
435 | usb0_vbus-supply = <®_drivevbus>; | |
436 | usb1_vbus-supply = <®_usb1_vbus>; | |
437 | usb2_vbus-supply = <®_usb2_vbus>; | |
438 | status = "okay"; | |
439 | }; |