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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 = <&reg_dcdc2>;
150};
151
152&cpu100 {
153 cpu-supply = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_dcdc1>;
193 vqmmc-supply = <&reg_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 = <&reg_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 = <&reg_dcdc1>;
219 swin-supply = <&reg_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&reg_aldo1 {
259 regulator-always-on;
260 regulator-min-microvolt = <1800000>;
261 regulator-max-microvolt = <1800000>;
262 regulator-name = "vcc-1v8";
263};
264
265&reg_aldo2 {
266 regulator-always-on;
267 regulator-min-microvolt = <1800000>;
268 regulator-max-microvolt = <1800000>;
269 regulator-name = "dram-pll";
270};
271
272&reg_aldo3 {
273 regulator-always-on;
274 regulator-min-microvolt = <3000000>;
275 regulator-max-microvolt = <3000000>;
276 regulator-name = "avcc";
277};
278
279&reg_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&reg_dcdc2 {
293 regulator-always-on;
294 regulator-min-microvolt = <700000>;
295 regulator-max-microvolt = <1100000>;
296 regulator-name = "vdd-cpua";
297};
298
299&reg_dcdc3 {
300 regulator-always-on;
301 regulator-min-microvolt = <700000>;
302 regulator-max-microvolt = <1100000>;
303 regulator-name = "vdd-cpub";
304};
305
306&reg_dcdc4 {
307 regulator-min-microvolt = <700000>;
308 regulator-max-microvolt = <1100000>;
309 regulator-name = "vdd-gpu";
310};
311
312&reg_dcdc5 {
313 regulator-always-on;
314 regulator-min-microvolt = <1500000>;
315 regulator-max-microvolt = <1500000>;
316 regulator-name = "vcc-dram";
317};
318
319&reg_dcdc6 {
320 regulator-always-on;
321 regulator-min-microvolt = <900000>;
322 regulator-max-microvolt = <900000>;
323 regulator-name = "vdd-sys";
324};
325
326&reg_dldo2 {
327 regulator-min-microvolt = <3300000>;
328 regulator-max-microvolt = <3300000>;
329 regulator-name = "dp-pwr";
330};
331
332&reg_dldo3 {
333 regulator-always-on;
334 regulator-min-microvolt = <2500000>;
335 regulator-max-microvolt = <2500000>;
336 regulator-name = "ephy-io";
337};
338
339&reg_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&reg_drivevbus {
352 regulator-name = "usb0-vbus";
353 status = "okay";
354};
355
356&reg_eldo1 {
357 regulator-min-microvolt = <1200000>;
358 regulator-max-microvolt = <1200000>;
359 regulator-name = "dp-bridge-1";
360};
361
362&reg_eldo2 {
363 regulator-min-microvolt = <1200000>;
364 regulator-max-microvolt = <1200000>;
365 regulator-name = "dp-bridge-2";
366};
367
368&reg_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&reg_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&reg_rtc_ldo {
388 regulator-name = "vcc-rtc";
389};
390
391&reg_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 = <&reg_dcdc1>;
416 vddio-supply = <&reg_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 = <&reg_drivevbus>;
436 usb1_vbus-supply = <&reg_usb1_vbus>;
437 usb2_vbus-supply = <&reg_usb2_vbus>;
438 status = "okay";
439};