1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Base DT for Samsung's family of tablets based on Exynos5420.
4 *
5 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com
7 * Copyright (c) 2022 Henrik Grimler
8 */
9
10 /dts-v1/;
11 #include "exynos5420.dtsi"
12 #include "exynos5420-cpus.dtsi"
13 #include <dt-bindings/input/input.h>
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/clock/samsung,s2mps11.h>
16
17 / {
18 chassis-type = "tablet";
19
20 /*
21 * To successfully boot the mainline kernel with the stock
22 * bootloader (SBOOT), the tlb needs to be flushed after the
23 * page table pointer has been updated in __common_mmu_cache_on.
24 * The same hack is also needed to boot exynos4412-i9300 with
25 * stock bootloader, and probably other Samsung devices of
26 * similar age. See
27 * https://lore.kernel.org/all/1355276466-18295-1-git-send-email-arve@android.com
28 * for more details.
29 */
30
31 aliases {
32 mmc0 = &mmc_0;
33 mmc1 = &mmc_1;
34 mmc2 = &mmc_2;
35 };
36
37 chosen {
38 stdout-path = "serial2:115200n8";
39 };
40
41 memory@20000000 {
42 device_type = "memory";
43 reg = <0x20000000 0xbfa00000>;
44 };
45
46 firmware@2073000 {
47 compatible = "samsung,secure-firmware";
48 reg = <0x02073000 0x1000>;
49 };
50
51 fixed-rate-clocks {
52 oscclk {
53 compatible = "samsung,exynos5420-oscclk";
54 clock-frequency = <24000000>;
55 };
56 };
57
58 gpio-keys {
59 compatible = "gpio-keys";
60
61 key-power {
62 debounce-interval = <10>;
63 gpios = <&gpx2 2 GPIO_ACTIVE_LOW>;
64 label = "Power";
65 linux,code = <KEY_POWER>;
66 wakeup-source;
67 };
68
69 key-home {
70 debounce-interval = <10>;
71 gpios = <&gpx0 5 GPIO_ACTIVE_LOW>;
72 label = "Home";
73 linux,code = <KEY_HOME>;
74 wakeup-source;
75 };
76
77 key-volume-up {
78 debounce-interval = <10>;
79 gpios = <&gpx0 2 GPIO_ACTIVE_LOW>;
80 label = "Volume Up";
81 linux,code = <KEY_VOLUMEUP>;
82 };
83
84 key-volume-down {
85 debounce-interval = <10>;
86 gpios = <&gpx0 3 GPIO_ACTIVE_LOW>;
87 label = "Volume Down";
88 linux,code = <KEY_VOLUMEDOWN>;
89 };
90 };
91
92 mmc1_pwrseq: pwrseq {
93 compatible = "mmc-pwrseq-simple";
94 reset-gpios = <&gpy7 7 GPIO_ACTIVE_LOW>;
95 clocks = <&s2mps11_osc S2MPS11_CLK_BT>;
96 clock-names = "ext_clock";
97 };
98 };
99
100 &cci {
101 /* CCI is disabled in hardware */
102 status = "disabled";
103 };
104
105 &cpu0 {
106 cpu-supply = <&buck2_reg>;
107 };
108
109 &cpu4 {
110 cpu-supply = <&buck6_reg>;
111 };
112
113 &gpu {
114 status = "okay";
115 mali-supply = <&buck4_reg>;
116 };
117
118 &hsi2c_7 {
119 status = "okay";
120
121 pmic@66 {
122 compatible = "samsung,s2mps11-pmic";
123 reg = <0x66>;
124
125 interrupt-parent = <&gpx3>;
126 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
127 pinctrl-names = "default";
128 pinctrl-0 = <&s2mps11_irq>;
129
130 s2mps11_osc: clocks {
131 compatible = "samsung,s2mps11-clk";
132 #clock-cells = <1>;
133 clock-output-names = "s2mps11_ap", "s2mps11_cp",
134 "s2mps11_bt";
135 };
136
137 regulators {
138 buck1_reg: BUCK1 {
139 regulator-name = "VDD_MIF_1V1";
140 regulator-min-microvolt = <700000>;
141 regulator-max-microvolt = <1300000>;
142 regulator-always-on;
143 regulator-boot-on;
144
145 regulator-state-mem {
146 regulator-off-in-suspend;
147 };
148 };
149
150 buck2_reg: BUCK2 {
151 regulator-name = "VDD_ARM_1V0";
152 regulator-min-microvolt = <800000>;
153 regulator-max-microvolt = <1500000>;
154 regulator-always-on;
155 regulator-boot-on;
156
157 regulator-state-mem {
158 regulator-off-in-suspend;
159 };
160 };
161
162 buck3_reg: BUCK3 {
163 regulator-name = "VDD_INT_1V0";
164 regulator-min-microvolt = <800000>;
165 regulator-max-microvolt = <1400000>;
166 regulator-always-on;
167 regulator-boot-on;
168
169 regulator-state-mem {
170 regulator-off-in-suspend;
171 };
172 };
173
174 buck4_reg: BUCK4 {
175 regulator-name = "VDD_G3D_1V0";
176 regulator-min-microvolt = <700000>;
177 regulator-max-microvolt = <1400000>;
178 regulator-always-on;
179 regulator-boot-on;
180
181 regulator-state-mem {
182 regulator-off-in-suspend;
183 };
184 };
185
186 buck5_reg: BUCK5 {
187 regulator-name = "VDD_MEM_1V2";
188 regulator-min-microvolt = <1200000>;
189 regulator-max-microvolt = <1200000>;
190 regulator-always-on;
191 regulator-boot-on;
192
193 regulator-state-mem {
194 regulator-off-in-suspend;
195 };
196
197 };
198
199 buck6_reg: BUCK6 {
200 regulator-name = "VDD_KFC_1V0";
201 regulator-min-microvolt = <800000>;
202 regulator-max-microvolt = <1500000>;
203 regulator-always-on;
204 regulator-boot-on;
205
206 regulator-state-mem {
207 regulator-off-in-suspend;
208 };
209 };
210
211 buck7_reg: BUCK7 {
212 regulator-name = "VIN_LLDO_1V4";
213 regulator-min-microvolt = <1200000>;
214 regulator-max-microvolt = <1500000>;
215 regulator-always-on;
216 };
217
218 buck8_reg: BUCK8 {
219 regulator-name = "VIN_MLDO_2V0";
220 regulator-min-microvolt = <1800000>;
221 regulator-max-microvolt = <2100000>;
222 regulator-always-on;
223 };
224
225 buck9_reg: BUCK9 {
226 regulator-name = "VIN_HLDO_3V5";
227 regulator-min-microvolt = <3000000>;
228 regulator-max-microvolt = <3500000>;
229 regulator-always-on;
230 };
231
232 buck10_reg: BUCK10 {
233 regulator-name = "VDD_CAM_ISP_1V0";
234 regulator-min-microvolt = <750000>;
235 regulator-max-microvolt = <3550000>;
236 };
237
238 ldo1_reg: LDO1 {
239 regulator-name = "VDD_ALIVE_1.0V";
240 regulator-min-microvolt = <1000000>;
241 regulator-max-microvolt = <1000000>;
242 regulator-always-on;
243 };
244
245 ldo2_reg: LDO2 {
246 regulator-name = "VDD_APIO_1V8";
247 regulator-min-microvolt = <1800000>;
248 regulator-max-microvolt = <1800000>;
249 regulator-always-on;
250 regulator-boot-on;
251
252 regulator-state-mem {
253 regulator-on-in-suspend;
254 };
255 };
256
257 ldo3_reg: LDO3 {
258 regulator-name = "VDD_APIO_MMC01_1V8";
259 regulator-min-microvolt = <1800000>;
260 regulator-max-microvolt = <1800000>;
261 regulator-always-on;
262
263 regulator-state-mem {
264 regulator-off-in-suspend;
265 };
266 };
267
268 ldo4_reg: LDO4 {
269 regulator-name = "VDD_ADC_1V8";
270 regulator-min-microvolt = <1800000>;
271 regulator-max-microvolt = <1800000>;
272 regulator-always-on;
273 regulator-boot-on;
274
275 regulator-state-mem {
276 regulator-on-in-suspend;
277 };
278 };
279
280 ldo5_reg: LDO5 {
281 /* Unused */
282 regulator-name = "VDD_LDO5";
283 regulator-min-microvolt = <1800000>;
284 regulator-max-microvolt = <1800000>;
285 };
286
287 ldo6_reg: LDO6 {
288 regulator-name = "VDD_MIPI_1V0";
289 regulator-min-microvolt = <1000000>;
290 regulator-max-microvolt = <1000000>;
291 regulator-always-on;
292 regulator-boot-on;
293
294 regulator-state-mem {
295 regulator-off-in-suspend;
296 };
297 };
298
299 ldo7_reg: LDO7 {
300 regulator-name = "VDD_MIPI_PLL_ABB1_18V";
301 regulator-min-microvolt = <1800000>;
302 regulator-max-microvolt = <1800000>;
303 regulator-always-on;
304 regulator-boot-on;
305
306 regulator-state-mem {
307 regulator-off-in-suspend;
308 };
309 };
310
311 ldo8_reg: LDO8 {
312 /* Unused */
313 regulator-name = "VDD_LDO8";
314 regulator-min-microvolt = <1800000>;
315 regulator-max-microvolt = <1800000>;
316 };
317
318 ldo9_reg: LDO9 {
319 regulator-name = "VDD_UOTG_3V0";
320 regulator-min-microvolt = <3000000>;
321 regulator-max-microvolt = <3000000>;
322 regulator-always-on;
323 regulator-boot-on;
324
325 regulator-state-mem {
326 regulator-on-in-suspend;
327 };
328 };
329
330 ldo10_reg: LDO10 {
331 regulator-name = "VDDQ_PRE_1V8";
332 regulator-min-microvolt = <1800000>;
333 regulator-max-microvolt = <1800000>;
334 regulator-always-on;
335 regulator-boot-on;
336
337 regulator-state-mem {
338 regulator-on-in-suspend;
339 };
340 };
341
342 ldo11_reg: LDO11 {
343 regulator-name = "VDD_HSIC_1V0";
344 regulator-min-microvolt = <1000000>;
345 regulator-max-microvolt = <1000000>;
346 regulator-always-on;
347 regulator-boot-on;
348
349 regulator-state-mem {
350 regulator-on-in-suspend;
351 };
352 };
353
354 ldo12_reg: LDO12 {
355 regulator-name = "VDD_HSIC_1V8";
356 regulator-min-microvolt = <1800000>;
357 regulator-max-microvolt = <1800000>;
358 regulator-always-on;
359 regulator-boot-on;
360
361 regulator-state-mem {
362 regulator-on-in-suspend;
363 };
364 };
365
366 ldo13_reg: LDO13 {
367 regulator-name = "VDD_APIO_MMC2_2V8";
368 regulator-min-microvolt = <1800000>;
369 regulator-max-microvolt = <2800000>;
370 regulator-boot-on;
371
372 regulator-state-mem {
373 regulator-off-in-suspend;
374 };
375 };
376
377 ldo14_reg: LDO14 {
378 regulator-name = "VDD_MOTOR_3V0";
379 regulator-min-microvolt = <3000000>;
380 regulator-max-microvolt = <3000000>;
381
382 regulator-state-mem {
383 regulator-off-in-suspend;
384 };
385 };
386
387 ldo15_reg: LDO15 {
388 regulator-name = "VDD_LDO15";
389 /*
390 * LDO15 varies between devices and is
391 * specified in the device dts
392 */
393 };
394
395 ldo16_reg: LDO16 {
396 regulator-name = "VDD_AP_2V8";
397 regulator-min-microvolt = <2800000>;
398 regulator-max-microvolt = <2800000>;
399 regulator-always-on;
400 regulator-boot-on;
401
402 regulator-state-mem {
403 regulator-on-in-suspend;
404 };
405 };
406
407 ldo17_reg: LDO17 {
408 regulator-name = "VDD_LDO17";
409 /*
410 * LDO17 varies between devices and is
411 * specified in the device dts
412 */
413 };
414
415 ldo18_reg: LDO18 {
416 /* Unused */
417 regulator-name = "VDD_LDO18";
418 regulator-min-microvolt = <1800000>;
419 regulator-max-microvolt = <1800000>;
420 };
421
422 ldo19_reg: LDO19 {
423 regulator-name = "VDD_VTF_2V8";
424 regulator-min-microvolt = <2800000>;
425 regulator-max-microvolt = <2800000>;
426
427 regulator-state-mem {
428 regulator-off-in-suspend;
429 };
430 };
431
432 ldo20_reg: LDO20 {
433 regulator-name = "VDD_CAM1_CAM_1V8";
434 regulator-min-microvolt = <1800000>;
435 regulator-max-microvolt = <1800000>;
436
437 regulator-state-mem {
438 regulator-off-in-suspend;
439 };
440 };
441
442 ldo21_reg: LDO21 {
443 regulator-name = "VDD_CAM_IO_1V8";
444 regulator-min-microvolt = <1800000>;
445 regulator-max-microvolt = <1800000>;
446
447 regulator-state-mem {
448 regulator-off-in-suspend;
449 };
450 };
451
452 ldo22_reg: LDO22 {
453 regulator-name = "VDD_CAM0_S_CORE_1V1";
454 regulator-min-microvolt = <1050000>;
455 regulator-max-microvolt = <1200000>;
456
457 regulator-state-mem {
458 regulator-off-in-suspend;
459 };
460 };
461
462 ldo23_reg: LDO23 {
463 regulator-name = "VDD_MIFS_1V1";
464 regulator-min-microvolt = <800000>;
465 regulator-max-microvolt = <1100000>;
466 regulator-always-on;
467
468 regulator-state-mem {
469 regulator-on-in-suspend;
470 };
471 };
472
473 ldo24_reg: LDO24 {
474 regulator-name = "VDD_TSP_3V3";
475 regulator-min-microvolt = <3300000>;
476 regulator-max-microvolt = <3300000>;
477
478 regulator-state-mem {
479 regulator-off-in-suspend;
480 };
481 };
482
483 ldo25_reg: LDO25 {
484 /* Unused */
485 regulator-name = "VDD_LDO25";
486 regulator-min-microvolt = <800000>;
487 regulator-max-microvolt = <3950000>;
488 };
489
490 ldo26_reg: LDO26 {
491 regulator-name = "VDD_CAM0_AF_2V8";
492 regulator-min-microvolt = <2800000>;
493 regulator-max-microvolt = <2800000>;
494
495 regulator-state-mem {
496 regulator-off-in-suspend;
497 };
498 };
499
500 ldo27_reg: LDO27 {
501 regulator-name = "VDD_G3DS_1V0";
502 regulator-min-microvolt = <800000>;
503 regulator-max-microvolt = <1000000>;
504 regulator-always-on;
505
506 regulator-state-mem {
507 regulator-on-in-suspend;
508 };
509 };
510
511 ldo28_reg: LDO28 {
512 regulator-name = "VDD_LDO28";
513 /*
514 * LDO28 varies between devices and is
515 * specified in the device dts
516 */
517 };
518
519 ldo29_reg: LDO29 {
520 regulator-name = "VDD_LDO29";
521 /*
522 * LDO29 varies between devices and is
523 * specified in the device dts
524 */
525 };
526
527 ldo30_reg: LDO30 {
528 regulator-name = "VDD_TOUCH_1V8";
529 regulator-min-microvolt = <1900000>;
530 regulator-max-microvolt = <1900000>;
531
532 regulator-state-mem {
533 regulator-off-in-suspend;
534 };
535 };
536
537 ldo31_reg: LDO31 {
538 regulator-name = "VDD_LDO31";
539 /*
540 * LDO31 varies between devices and is
541 * specified in the device dts
542 */
543 };
544
545 ldo32_reg: LDO32 {
546 regulator-name = "VDD_LDO32";
547 /*
548 * LDO32 varies between devices and is
549 * specified in the device dts
550 */
551 };
552
553 ldo33_reg: LDO33 {
554 regulator-name = "VDD_MHL_1V8";
555 regulator-min-microvolt = <1800000>;
556 regulator-max-microvolt = <1800000>;
557
558 regulator-state-mem {
559 regulator-off-in-suspend;
560 };
561 };
562
563 ldo34_reg: LDO34 {
564 regulator-name = "VDD_MHL_3V3";
565 regulator-min-microvolt = <3300000>;
566 regulator-max-microvolt = <3300000>;
567
568 regulator-state-mem {
569 regulator-off-in-suspend;
570 };
571 };
572
573 ldo35_reg: LDO35 {
574 regulator-name = "VDD_SIL_1V2";
575 regulator-min-microvolt = <1200000>;
576 regulator-max-microvolt = <1200000>;
577
578 regulator-state-mem {
579 regulator-off-in-suspend;
580 };
581 };
582
583 ldo36_reg: LDO36 {
584 /* Unused */
585 regulator-name = "VDD_LDO36";
586 regulator-min-microvolt = <800000>;
587 regulator-max-microvolt = <3950000>;
588 };
589
590 ldo37_reg: LDO37 {
591 /* Unused */
592 regulator-name = "VDD_LDO37";
593 regulator-min-microvolt = <800000>;
594 regulator-max-microvolt = <3950000>;
595 };
596
597 ldo38_reg: LDO38 {
598 regulator-name = "VDD_KEY_LED_3V3";
599 regulator-min-microvolt = <2500000>;
600 regulator-max-microvolt = <3300000>;
601
602 regulator-state-mem {
603 regulator-off-in-suspend;
604 };
605 };
606 };
607 };
608 };
609
610 &mixer {
611 status = "okay";
612 };
613
614 /* Internal storage */
615 &mmc_0 {
616 status = "okay";
617 bus-width = <8>;
618 cap-mmc-highspeed;
619 card-detect-delay = <200>;
620 mmc-ddr-1_8v;
621 mmc-hs200-1_8v;
622 non-removable;
623 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
624 pinctrl-names = "default";
625 samsung,dw-mshc-ciu-div = <3>;
626 samsung,dw-mshc-ddr-timing = <0 2>;
627 samsung,dw-mshc-sdr-timing = <0 4>;
628 vqmmc-supply = <&ldo3_reg>;
629 };
630
631 /* WiFi */
632 &mmc_1 {
633 bus-width = <4>;
634 cap-sd-highspeed;
635 cap-sdio-irq;
636 card-detect-delay = <200>;
637 keep-power-in-suspend;
638 mmc-pwrseq = <&mmc1_pwrseq>;
639 non-removable;
640 pinctrl-0 = <&sd1_clk>, <&sd1_cmd>, <&sd1_int>, <&sd1_bus1>,
641 <&sd1_bus4>, <&wifi_en>;
642 pinctrl-names = "default";
643 vqmmc-supply = <&ldo2_reg>;
644 samsung,dw-mshc-ciu-div = <1>;
645 samsung,dw-mshc-ddr-timing = <0 2>;
646 samsung,dw-mshc-sdr-timing = <0 1>;
647 status = "okay";
648 };
649
650 /* External sdcard */
651 &mmc_2 {
652 status = "okay";
653 bus-width = <4>;
654 cap-sd-highspeed;
655 card-detect-delay = <200>;
656 cd-gpios = <&gpx2 4 GPIO_ACTIVE_LOW>;
657 pinctrl-0 = <&sd2_clk &sd2_cmd &mmc2_cd &sd2_bus1 &sd2_bus4>;
658 pinctrl-names = "default";
659 samsung,dw-mshc-ciu-div = <3>;
660 samsung,dw-mshc-ddr-timing = <0 2>;
661 samsung,dw-mshc-sdr-timing = <0 4>;
662 sd-uhs-sdr50;
663 vmmc-supply = <&ldo19_reg>;
664 vqmmc-supply = <&ldo13_reg>;
665 };
666
667 &pinctrl_0 {
668 mmc2_cd: mmc2-cd-pins {
669 samsung,pins = "gpx2-4";
670 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
671 };
672
673 s2mps11_irq: s2mps11-irq-pins {
674 samsung,pins = "gpx3-0";
675 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
676 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
677 samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
678 };
679
680 wifi_en: wifi-en-pins {
681 samsung,pins = "gpy7-7";
682 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
683 };
684 };
685
686 &rtc {
687 status = "okay";
688 clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
689 clock-names = "rtc", "rtc_src";
690 };
691
692 &tmu_cpu0 {
693 vtmu-supply = <&ldo10_reg>;
694 };
695
696 &tmu_cpu1 {
697 vtmu-supply = <&ldo10_reg>;
698 };
699
700 &tmu_cpu2 {
701 vtmu-supply = <&ldo10_reg>;
702 };
703
704 &tmu_cpu3 {
705 vtmu-supply = <&ldo10_reg>;
706 };
707
708 &tmu_gpu {
709 vtmu-supply = <&ldo10_reg>;
710 };
711
712 &usbdrd_dwc3_0 {
713 dr_mode = "peripheral";
714 };
715
716 &usbdrd_dwc3_1 {
717 dr_mode = "peripheral";
718 };
719
720 &usbdrd3_0 {
721 vdd33-supply = <&ldo9_reg>;
722 vdd10-supply = <&ldo11_reg>;
723 };
724
725 &usbdrd3_1 {
726 vdd33-supply = <&ldo9_reg>;
727 vdd10-supply = <&ldo11_reg>;
728 };
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