1 /*
2 * Copyright (C) 2017 Touchless Biometric Systems AG
3 * Tomas Novotny <tomas@novotny.cz>
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 * a) This file is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or (at your option) any later version.
14 *
15 * This file is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 * b) Permission is hereby granted, free of charge, to any person
23 * obtaining a copy of this software and associated documentation
24 * files (the "Software"), to deal in the Software without
25 * restriction, including without limitation the rights to use,
26 * copy, modify, merge, publish, distribute, sublicense, and/or
27 * sell copies of the Software, and to permit persons to whom the
28 * Software is furnished to do so, subject to the following
29 * conditions:
30 *
31 * The above copyright notice and this permission notice shall be
32 * included in all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 * OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44 /dts-v1/;
45 #include "sun8i-a83t.dtsi"
46
47 #include <dt-bindings/gpio/gpio.h>
48 #include <dt-bindings/pwm/pwm.h>
49 #include <dt-bindings/input/input.h>
50
51 / {
52 model = "TBS A711 Tablet";
53 compatible = "tbs-biometrics,a711", "allwinner,sun8i-a83t";
54
55 aliases {
56 serial0 = &uart0;
57 serial1 = &uart1;
58 };
59
60 chosen {
61 stdout-path = "serial0:115200n8";
62 };
63
64 backlight: backlight {
65 compatible = "pwm-backlight";
66 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
67 enable-gpios = <&pio 3 29 GPIO_ACTIVE_HIGH>;
68 power-supply = <®_sw>;
69 brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
70 default-brightness-level = <9>;
71 };
72
73 panel {
74 compatible = "tbs,a711-panel", "panel-lvds";
75 backlight = <&backlight>;
76 power-supply = <®_sw>;
77
78 width-mm = <153>;
79 height-mm = <90>;
80 data-mapping = "vesa-24";
81
82 panel-timing {
83 /* 1024x600 @60Hz */
84 clock-frequency = <52000000>;
85 hactive = <1024>;
86 vactive = <600>;
87 hsync-len = <20>;
88 hfront-porch = <180>;
89 hback-porch = <160>;
90 vfront-porch = <12>;
91 vback-porch = <23>;
92 vsync-len = <5>;
93 };
94
95 port {
96 panel_input: endpoint {
97 remote-endpoint = <&tcon0_out_lcd>;
98 };
99 };
100 };
101
102 reg_gps: reg-gps {
103 compatible = "regulator-fixed";
104 regulator-name = "gps";
105 regulator-min-microvolt = <3000000>;
106 regulator-max-microvolt = <3000000>;
107 };
108
109 reg_vbat: reg-vbat {
110 compatible = "regulator-fixed";
111 regulator-name = "vbat";
112 regulator-min-microvolt = <3700000>;
113 regulator-max-microvolt = <3700000>;
114 };
115
116 reg_vmain: reg-vmain {
117 compatible = "regulator-fixed";
118 regulator-name = "vmain";
119 regulator-min-microvolt = <5000000>;
120 regulator-max-microvolt = <5000000>;
121 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>;
122 enable-active-high;
123 vin-supply = <®_vbat>;
124 };
125
126 wifi_pwrseq: pwrseq {
127 compatible = "mmc-pwrseq-simple";
128 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
129
130 /*
131 * This is actually Bluetooth's clock, but we have to
132 * hook it up somewheere
133 */
134 clocks = <&ac100_rtc 1>;
135 clock-names = "ext_clock";
136 };
137 };
138
139 &cpu0 {
140 cpu-supply = <®_dcdc2>;
141 };
142
143 &cpu100 {
144 cpu-supply = <®_dcdc3>;
145 };
146
147 &de {
148 status = "okay";
149 };
150
151 /*
152 * An USB-2 hub is connected here, which also means we don't need to
153 * enable the OHCI controller.
154 */
155 &ehci0 {
156 status = "okay";
157 };
158
159 /*
160 * There's a modem connected here that needs to be initialised before
161 * being able to be enumerated.
162 */
163 &ehci1 {
164 status = "okay";
165 };
166
167 &i2c0 {
168 clock-frequency = <400000>;
169 status = "okay";
170
171 touchscreen@38 {
172 compatible = "edt,edt-ft5206";
173 reg = <0x38>;
174 interrupt-parent = <&r_pio>;
175 interrupts = <0 7 IRQ_TYPE_EDGE_FALLING>; /* PL7 */
176 reset-gpios = <&pio 3 5 GPIO_ACTIVE_LOW>; /* PD5 */
177 vcc-supply = <®_ldo_io0>;
178 touchscreen-size-x = <1024>;
179 touchscreen-size-y = <600>;
180 };
181 };
182
183 &i2c1 {
184 clock-frequency = <400000>;
185 status = "okay";
186
187 accelerometer@18 {
188 compatible = "bosch,bma250";
189 reg = <0x18>;
190 interrupt-parent = <&pio>;
191 interrupts = <7 10 IRQ_TYPE_EDGE_RISING>; /* PH10 / EINT10 */
192 };
193 };
194
195 &mmc0 {
196 vmmc-supply = <®_dcdc1>;
197 pinctrl-names = "default";
198 pinctrl-0 = <&mmc0_pins>;
199 bus-width = <4>;
200 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
201 status = "okay";
202 };
203
204 &mmc1 {
205 mmc-pwrseq = <&wifi_pwrseq>;
206 bus-width = <4>;
207 vmmc-supply = <®_dldo1>;
208 vqmmc-supply = <®_dldo1>;
209 non-removable;
210 wakeup-source;
211 keep-power-in-suspend;
212 status = "okay";
213
214 brcmf: wifi@1 {
215 reg = <1>;
216 compatible = "brcm,bcm4329-fmac";
217 interrupt-parent = <&r_pio>;
218 interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
219 interrupt-names = "host-wake";
220 };
221 };
222
223 &mmc2 {
224 pinctrl-0 = <&mmc2_8bit_emmc_pins>;
225 pinctrl-names = "default";
226 vmmc-supply = <®_dcdc1>;
227 vqmmc-supply = <®_dcdc1>;
228 bus-width = <8>;
229 non-removable;
230 cap-mmc-hw-reset;
231 status = "okay";
232 };
233
234 &pwm {
235 pinctrl-names = "default";
236 pinctrl-0 = <&pwm_pin>;
237 status = "okay";
238 };
239
240 &r_lradc {
241 vref-supply = <®_aldo2>;
242 status = "okay";
243
244 button-210 {
245 label = "Volume Up";
246 linux,code = <KEY_VOLUMEUP>;
247 channel = <0>;
248 voltage = <210000>;
249 };
250
251 button-410 {
252 label = "Volume Down";
253 linux,code = <KEY_VOLUMEDOWN>;
254 channel = <0>;
255 voltage = <410000>;
256 };
257 };
258
259 &r_rsb {
260 status = "okay";
261
262 axp81x: pmic@3a3 {
263 compatible = "x-powers,axp813";
264 reg = <0x3a3>;
265 interrupt-parent = <&r_intc>;
266 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
267 swin-supply = <®_dcdc1>;
268 x-powers,drive-vbus-en;
269 };
270
271 ac100: codec@e89 {
272 compatible = "x-powers,ac100";
273 reg = <0xe89>;
274
275 ac100_codec: codec {
276 compatible = "x-powers,ac100-codec";
277 interrupt-parent = <&r_pio>;
278 interrupts = <0 12 IRQ_TYPE_LEVEL_LOW>; /* PL12 */
279 #clock-cells = <0>;
280 clock-output-names = "4M_adda";
281 };
282
283 ac100_rtc: rtc {
284 compatible = "x-powers,ac100-rtc";
285 interrupt-parent = <&r_intc>;
286 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
287 clocks = <&ac100_codec>;
288 #clock-cells = <1>;
289 clock-output-names = "cko1_rtc",
290 "cko2_rtc",
291 "cko3_rtc";
292 };
293 };
294
295 };
296
297 #include "axp81x.dtsi"
298
299 &battery_power_supply {
300 status = "okay";
301 };
302
303 ®_aldo1 {
304 regulator-min-microvolt = <1800000>;
305 regulator-max-microvolt = <1800000>;
306 regulator-name = "vcc-1.8";
307 };
308
309 ®_aldo2 {
310 regulator-min-microvolt = <1800000>;
311 regulator-max-microvolt = <1800000>;
312 regulator-always-on;
313 regulator-name = "vdd-drampll";
314 };
315
316 ®_aldo3 {
317 regulator-min-microvolt = <3000000>;
318 regulator-max-microvolt = <3000000>;
319 regulator-always-on;
320 regulator-name = "avcc";
321 };
322
323 ®_dcdc1 {
324 regulator-min-microvolt = <3100000>;
325 regulator-max-microvolt = <3100000>;
326 regulator-always-on;
327 regulator-name = "vcc-io";
328 };
329
330 ®_dcdc2 {
331 regulator-min-microvolt = <700000>;
332 regulator-max-microvolt = <1100000>;
333 regulator-always-on;
334 regulator-name = "vdd-cpu-A";
335 };
336
337 ®_dcdc3 {
338 regulator-min-microvolt = <700000>;
339 regulator-max-microvolt = <1100000>;
340 regulator-always-on;
341 regulator-name = "vdd-cpu-B";
342 };
343
344 ®_dcdc4 {
345 regulator-min-microvolt = <700000>;
346 regulator-max-microvolt = <1100000>;
347 regulator-name = "vdd-gpu";
348 };
349
350 ®_dcdc5 {
351 regulator-min-microvolt = <1200000>;
352 regulator-max-microvolt = <1500000>;
353 regulator-always-on;
354 regulator-name = "vcc-dram";
355 };
356
357 ®_dcdc6 {
358 regulator-min-microvolt = <900000>;
359 regulator-max-microvolt = <900000>;
360 regulator-always-on;
361 regulator-name = "vdd-sys";
362 };
363
364 ®_dldo1 {
365 regulator-min-microvolt = <3100000>;
366 regulator-max-microvolt = <3100000>;
367 regulator-name = "vcc-wifi-io";
368 };
369
370 ®_dldo2 {
371 regulator-min-microvolt = <2800000>;
372 regulator-max-microvolt = <4200000>;
373 regulator-name = "vcc-mipi";
374 };
375
376 ®_dldo3 {
377 regulator-min-microvolt = <1800000>;
378 regulator-max-microvolt = <1800000>;
379 regulator-name = "vdd-csi";
380 };
381
382 ®_dldo4 {
383 regulator-min-microvolt = <2800000>;
384 regulator-max-microvolt = <2800000>;
385 regulator-name = "avdd-csi";
386 };
387
388 ®_drivevbus {
389 regulator-name = "usb0-vbus";
390 status = "okay";
391 };
392
393 ®_eldo1 {
394 regulator-min-microvolt = <1200000>;
395 regulator-max-microvolt = <1800000>;
396 regulator-name = "dvdd-csi-r";
397 };
398
399 ®_eldo2 {
400 regulator-min-microvolt = <1800000>;
401 regulator-max-microvolt = <1800000>;
402 regulator-name = "vcc-dsi";
403 };
404
405 ®_eldo3 {
406 regulator-min-microvolt = <1200000>;
407 regulator-max-microvolt = <1800000>;
408 regulator-name = "dvdd-csi-f";
409 };
410
411 ®_fldo1 {
412 regulator-min-microvolt = <1200000>;
413 regulator-max-microvolt = <1200000>;
414 regulator-name = "vcc-hsic";
415 };
416
417 ®_fldo2 {
418 regulator-min-microvolt = <700000>;
419 regulator-max-microvolt = <1100000>;
420 regulator-always-on;
421 regulator-name = "vdd-cpus";
422 };
423
424 ®_ldo_io0 {
425 regulator-min-microvolt = <3100000>;
426 regulator-max-microvolt = <3100000>;
427 regulator-name = "vcc-ctp";
428 status = "okay";
429 };
430
431 ®_ldo_io1 {
432 regulator-min-microvolt = <3100000>;
433 regulator-max-microvolt = <3100000>;
434 regulator-name = "vcc-vb";
435 status = "okay";
436 };
437
438 ®_sw {
439 regulator-min-microvolt = <3100000>;
440 regulator-max-microvolt = <3100000>;
441 regulator-name = "vcc-lcd";
442 };
443
444 &tcon0 {
445 pinctrl-names = "default";
446 pinctrl-0 = <&lcd_lvds_pins>;
447 };
448
449 &tcon0_out {
450 tcon0_out_lcd: endpoint {
451 remote-endpoint = <&panel_input>;
452 };
453 };
454
455 &uart0 {
456 pinctrl-names = "default";
457 pinctrl-0 = <&uart0_pb_pins>;
458 status = "okay";
459 };
460
461 /* There's the BT part of the AP6210 connected to that UART */
462 &uart1 {
463 pinctrl-names = "default";
464 pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
465 uart-has-rtscts;
466 status = "okay";
467
468 bluetooth {
469 compatible = "brcm,bcm20702a1";
470 clocks = <&ac100_rtc 1>;
471 clock-names = "lpo";
472 vbat-supply = <®_vbat>;
473 vddio-supply = <®_dldo1>;
474 device-wakeup-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
475 host-wakeup-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
476 shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
477 max-speed = <1500000>;
478 };
479 };
480
481 &uart2 {
482 pinctrl-names = "default";
483 pinctrl-0 = <&uart2_pb_pins>;
484 status = "okay";
485
486 gnss {
487 compatible = "u-blox,neo-6m";
488
489 v-bckp-supply = <®_rtc_ldo>;
490 vcc-supply = <®_gps>;
491 current-speed = <9600>;
492 };
493 };
494
495 &usb_otg {
496 status = "okay";
497 };
498
499 &usbphy {
500 usb0_id_det-gpios = <&pio 7 11 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH11 */
501 usb0_vbus_power-supply = <&usb_power_supply>;
502 usb0_vbus-supply = <®_drivevbus>;
503 usb1_vbus-supply = <®_vmain>;
504 usb2_vbus-supply = <®_vmain>;
505 status = "okay";
506 };
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