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1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Device Tree file for Lenovo Hr855xg2 platform
4 *
5 * Copyright (C) 2019-present Lenovo
6 */
7
8/dts-v1/;
9
10#include "aspeed-g5.dtsi"
11#include <dt-bindings/gpio/aspeed-gpio.h>
12
13/ {
14 model = "HR855XG2 BMC";
15 compatible = "lenovo,hr855xg2-bmc", "aspeed,ast2500";
16
17 aliases {
18 i2c14 = &i2c_riser1;
19 i2c15 = &i2c_riser2;
20 i2c16 = &i2c_riser3;
21 i2c17 = &i2c_M2;
22 i2c18 = &channel_0;
23 i2c19 = &channel_1;
24 i2c20 = &channel_2;
25 i2c21 = &channel_3;
26 };
27
28 chosen {
29 stdout-path = &uart5;
30 bootargs = "console=tty0 console=ttyS4,115200 earlyprintk";
31 };
32
33 memory@80000000 {
34 device_type = "memory";
35 reg = <0x80000000 0x20000000>;
36 };
37
38 reserved-memory {
39 #address-cells = <1>;
40 #size-cells = <1>;
41 ranges;
42
43 flash_memory: region@98000000 {
44 no-map;
45 reg = <0x98000000 0x00100000>; /* 1M */
46 };
47
48 gfx_memory: framebuffer {
49 size = <0x01000000>;
50 alignment = <0x01000000>;
51 compatible = "shared-dma-pool";
52 reusable;
53 };
54 };
55
56 leds {
57 compatible = "gpio-leds";
58
59 heartbeat {
60 gpios = <&gpio ASPEED_GPIO(C, 7) GPIO_ACTIVE_LOW>;
61 };
62
63 fault {
64 gpios = <&gpio ASPEED_GPIO(G, 3) GPIO_ACTIVE_LOW>;
65 };
66 };
67
68 iio-hwmon {
69 compatible = "iio-hwmon";
70 io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
71 <&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>,
72 <&adc 8>, <&adc 9>, <&adc 10>,<&adc 11>,
73 <&adc 12>,<&adc 13>,<&adc 14>;
74 };
75
76 iio-hwmon-battery {
77 compatible = "iio-hwmon";
78 io-channels = <&adc 15>;
79 };
80
81};
82
83&fmc {
84 status = "okay";
85 flash@0 {
86 status = "okay";
87 m25p,fast-read;
88 label = "bmc";
89 spi-max-frequency = <50000000>;
90#include "openbmc-flash-layout.dtsi"
91 };
92};
93
94&lpc_ctrl {
95 status = "okay";
96 memory-region = <&flash_memory>;
97 flash = <&spi1>;
98};
99
100&lpc_snoop {
101 status = "okay";
102 snoop-ports = <0x80>;
103};
104
105&uart1 {
106 status = "okay";
107 pinctrl-names = "default";
108 pinctrl-0 = <&pinctrl_txd1_default
109 &pinctrl_rxd1_default>;
110};
111
112&uart2 {
113 /* Rear RS-232 connector */
114 status = "okay";
115 pinctrl-names = "default";
116 pinctrl-0 = <&pinctrl_txd2_default
117 &pinctrl_rxd2_default
118 &pinctrl_nrts2_default
119 &pinctrl_ndtr2_default
120 &pinctrl_ndsr2_default
121 &pinctrl_ncts2_default
122 &pinctrl_ndcd2_default
123 &pinctrl_nri2_default>;
124};
125
126&uart3 {
127 status = "okay";
128};
129
130&uart5 {
131 status = "okay";
132};
133
134&ibt {
135 status = "okay";
136};
137
138&mac0 {
139 status = "okay";
140 pinctrl-names = "default";
141 pinctrl-0 = <&pinctrl_rmii1_default>;
142 use-ncsi;
143};
144
145&mac1 {
146 status = "okay";
147 pinctrl-names = "default";
148 pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>;
149};
150
151&adc{
152 status = "okay";
153 pinctrl-names = "default";
154 pinctrl-0 = <&pinctrl_adc0_default
155 &pinctrl_adc1_default
156 &pinctrl_adc2_default
157 &pinctrl_adc3_default
158 &pinctrl_adc4_default
159 &pinctrl_adc5_default
160 &pinctrl_adc6_default
161 &pinctrl_adc7_default
162 &pinctrl_adc8_default
163 &pinctrl_adc9_default
164 &pinctrl_adc10_default
165 &pinctrl_adc11_default
166 &pinctrl_adc12_default
167 &pinctrl_adc13_default
168 &pinctrl_adc14_default
169 &pinctrl_adc15_default>;
170};
171
172&i2c0 {
173 status = "okay";
174
175 i2c-switch@70 {
176 compatible = "nxp,pca9545";
177 reg = <0x70>;
178 #address-cells = <1>;
179 #size-cells = <0>;
180
181 i2c_riser1: i2c@0 {
182 #address-cells = <1>;
183 #size-cells = <0>;
184 reg = <0>;
185 };
186
187 i2c_riser2: i2c@1 {
188 #address-cells = <1>;
189 #size-cells = <0>;
190 reg = <1>;
191 };
192
193 i2c_riser3: i2c@2 {
194 #address-cells = <1>;
195 #size-cells = <0>;
196 reg = <2>;
197 };
198
199 i2c_M2: i2c@3 {
200 #address-cells = <1>;
201 #size-cells = <0>;
202 reg = <3>;
203 };
204 };
205};
206
207&i2c1 {
208 status = "okay";
209 bus-frequency = <90000>;
210 HotSwap@10 {
211 compatible = "adm1272";
212 reg = <0x10>;
213 };
214
215 VR@45 {
216 compatible = "pmbus";
217 reg = <0x45>;
218 };
219};
220
221&i2c2 {
222 status = "okay";
223};
224
225&i2c3 {
226 status = "okay";
227 i2c-switch@70 {
228 compatible = "nxp,pca9546";
229 reg = <0x70>;
230 #address-cells = <1>;
231 #size-cells = <0>;
232
233 channel_0: i2c@0 {
234 #address-cells = <1>;
235 #size-cells = <0>;
236 reg = <0>;
237 };
238
239 channel_1: i2c@1 {
240 #address-cells = <1>;
241 #size-cells = <0>;
242 reg = <1>;
243 };
244
245 channel_2: i2c@2 {
246 #address-cells = <1>;
247 #size-cells = <0>;
248 reg = <2>;
249 };
250
251 channel_3: i2c@3 {
252 #address-cells = <1>;
253 #size-cells = <0>;
254 reg = <3>;
255 };
256 };
257};
258
259&i2c4 {
260 status = "okay";
261};
262
263&i2c5 {
264 status = "okay";
265};
266
267&i2c6 {
268 status = "okay";
269 /* temp1 */
270 tmp75@49 {
271 compatible = "national,lm75";
272 reg = <0x49>;
273 };
274
275 /* temp2 */
276 tmp75@4d {
277 compatible = "national,lm75";
278 reg = <0x4d>;
279 };
280
281 eeprom@54 {
282 compatible = "atmel,24c256";
283 reg = <0x54>;
284 pagesize = <16>;
285 };
286};
287
288&i2c7 {
289 status = "okay";
290};
291
292&i2c8 {
293 status = "okay";
294};
295
296&i2c9 {
297 status = "okay";
298};
299
300&i2c10 {
301 status = "okay";
302};
303
304&i2c11 {
305 status = "okay";
306};
307
308&i2c13 {
309 status = "okay";
310};
311
312&ehci1 {
313 status = "okay";
314};
315
316&uhci {
317 status = "okay";
318};
319
320&gfx {
321 status = "okay";
322 memory-region = <&gfx_memory>;
323};
324
325&pwm_tacho {
326 status = "okay";
327 pinctrl-names = "default";
328 pinctrl-0 = <&pinctrl_pwm0_default
329 &pinctrl_pwm1_default
330 &pinctrl_pwm2_default
331 &pinctrl_pwm3_default
332 &pinctrl_pwm4_default
333 &pinctrl_pwm5_default
334 &pinctrl_pwm6_default
335 &pinctrl_pwm7_default>;
336
337 fan@0 {
338 reg = <0x00>;
339 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
340 };
341
342 fan@1 {
343 reg = <0x00>;
344 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
345 };
346
347 fan@2 {
348 reg = <0x01>;
349 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
350 };
351
352 fan@3 {
353 reg = <0x01>;
354 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
355 };
356
357 fan@4 {
358 reg = <0x02>;
359 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
360 };
361
362 fan@5 {
363 reg = <0x02>;
364 aspeed,fan-tach-ch = /bits/ 8 <0x05>;
365 };
366
367 fan@6 {
368 reg = <0x03>;
369 aspeed,fan-tach-ch = /bits/ 8 <0x06>;
370 };
371
372 fan@7 {
373 reg = <0x03>;
374 aspeed,fan-tach-ch = /bits/ 8 <0x07>;
375 };
376
377 fan@8 {
378 reg = <0x04>;
379 aspeed,fan-tach-ch = /bits/ 8 <0x08>;
380 };
381
382 fan@9 {
383 reg = <0x04>;
384 aspeed,fan-tach-ch = /bits/ 8 <0x09>;
385 };
386
387 fan@10 {
388 reg = <0x05>;
389 aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
390 };
391
392 fan@11 {
393 reg = <0x05>;
394 aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
395 };
396
397 fan@12 {
398 reg = <0x06>;
399 aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
400 };
401
402 fan@13 {
403 reg = <0x06>;
404 aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
405 };
406
407 fan@14 {
408 reg = <0x07>;
409 aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
410 };
411
412 fan@15 {
413 reg = <0x07>;
414 aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
415 };
416
417 fan@16 {
418 reg = <0x07>;
419 aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
420 };
421};
422
423&gpio {
424
425 pin_gpio_a1 {
426 gpio-hog;
427 gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_LOW>;
428 output-high;
429 line-name = "BMC_EMMC_RST_N";
430 };
431
432 pin_gpio_a3 {
433 gpio-hog;
434 gpios = <ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
435 output-high;
436 line-name = "PCH_PWROK_BMC_FPGA";
437 };
438
439 pin_gpio_b5 {
440 gpio-hog;
441 gpios = <ASPEED_GPIO(B, 5) GPIO_ACTIVE_HIGH>;
442 output-high;
443 line-name = "IRQ_BMC_PCH_SMI_LPC_N";
444 };
445
446 pin_gpio_b7 {
447 gpio-hog;
448 gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_LOW>;
449 output-low;
450 line-name = "CPU_SM_WP";
451 };
452
453 pin_gpio_e0 {
454 gpio-hog;
455 gpios = <ASPEED_GPIO(E, 0) GPIO_ACTIVE_HIGH>;
456 input;
457 line-name = "PDB_PSU_SEL";
458 };
459
460 pin_gpio_e2 {
461 gpio-hog;
462 gpios = <ASPEED_GPIO(E, 2) GPIO_ACTIVE_HIGH>;
463 output-high;
464 line-name = "LOCATOR_LED_N";
465 };
466
467 pin_gpio_e5 {
468 gpio-hog;
469 gpios = <ASPEED_GPIO(E, 5) GPIO_ACTIVE_HIGH>;
470 output-high;
471 line-name = "FM_BMC_DBP_PRESENT_R1_N";
472 };
473
474 pin_gpio_e6 {
475 gpio-hog;
476 gpios = <ASPEED_GPIO(E, 6) GPIO_ACTIVE_HIGH>;
477 output-high;
478 line-name = "BMC_ME_SECURITY_OVERRIDE_N";
479 };
480
481 pin_gpio_f0 {
482 gpio-hog;
483 gpios = <ASPEED_GPIO(F, 0) GPIO_ACTIVE_HIGH>;
484 output-high;
485 line-name = "IRQ_BMC_PCH_NMI_R";
486 };
487
488 pin_gpio_f1 {
489 gpio-hog;
490 gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>;
491 input;
492 line-name = "CPU2_PROCDIS_BMC_N";
493 };
494
495 pin_gpio_f2 {
496 gpio-hog;
497 gpios = <ASPEED_GPIO(F, 2) GPIO_ACTIVE_HIGH>;
498 output-high;
499 line-name = "RM_THROTTLE_EN_N";
500 };
501
502 pin_gpio_f3 {
503 gpio-hog;
504 gpios = <ASPEED_GPIO(F, 3) GPIO_ACTIVE_HIGH>;
505 output-low;
506 line-name = "FM_PMBUS_ALERT_B_EN";
507 };
508
509 pin_gpio_f4 {
510 gpio-hog;
511 gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>;
512 output-high;
513 line-name = "BMC_FORCE_NM_THROTTLE_N";
514 };
515
516 pin_gpio_f6 {
517 gpio-hog;
518 gpios = <ASPEED_GPIO(F, 6) GPIO_ACTIVE_HIGH>;
519 output-high;
520 line-name = "FM_BMC_CPU_PWR_DEBUG_N";
521 };
522
523 pin_gpio_g7 {
524 gpio-hog;
525 gpios = <ASPEED_GPIO(G, 7) GPIO_ACTIVE_HIGH>;
526 output-high;
527 line-name = "BMC_PCIE_I2C_MUX_RST_N";
528 };
529
530 pin_gpio_h6 {
531 gpio-hog;
532 gpios = <ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
533 output-high;
534 line-name = "FM_BMC_DBP_PRESENT_R2_N";
535 };
536
537 pin_gpio_i3 {
538 gpio-hog;
539 gpios = <ASPEED_GPIO(I, 3) GPIO_ACTIVE_HIGH>;
540 output-high;
541 line-name = "SPI_BMC_BIOS_WP_N";
542 };
543
544 pin_gpio_j1 {
545 gpio-hog;
546 gpios = <ASPEED_GPIO(J, 1) GPIO_ACTIVE_HIGH>;
547 output-high;
548 line-name = "BMC_USB_SEL";
549 };
550
551 pin_gpio_j2 {
552 gpio-hog;
553 gpios = <ASPEED_GPIO(J, 2) GPIO_ACTIVE_HIGH>;
554 output-high;
555 line-name = "PDB_SMB_RST_N";
556 };
557
558 pin_gpio_j3 {
559 gpio-hog;
560 gpios = <ASPEED_GPIO(J, 3) GPIO_ACTIVE_HIGH>;
561 output-high;
562 line-name = "SPI_BMC_BIOS_HOLD_N";
563 };
564
565 pin_gpio_l0 {
566 gpio-hog;
567 gpios = <ASPEED_GPIO(L, 0) GPIO_ACTIVE_HIGH>;
568 output-high;
569 line-name = "PDB_FAN_TACH_SEL";
570 };
571
572 pin_gpio_l1 {
573 gpio-hog;
574 gpios = <ASPEED_GPIO(L, 1) GPIO_ACTIVE_HIGH>;
575 output-high;
576 line-name = "SYS_RESET_BMC_FPGA_N";
577 };
578
579 pin_gpio_l4 {
580 gpio-hog;
581 gpios = <ASPEED_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
582 output-high;
583 line-name = "FM_EFUSE_FAN_G1_EN";
584 };
585
586 pin_gpio_l5 {
587 gpio-hog;
588 gpios = <ASPEED_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
589 output-high;
590 line-name = "FM_EFUSE_FAN_G2_EN";
591 };
592
593 pin_gpio_r6 {
594 gpio-hog;
595 gpios = <ASPEED_GPIO(R, 6) GPIO_ACTIVE_HIGH>;
596 input;
597 line-name = "CPU3_PROCDIS_BMC_N";
598 };
599
600 pin_gpio_r7 {
601 gpio-hog;
602 gpios = <ASPEED_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
603 input;
604 line-name = "CPU4_PROCDIS_BMC_N";
605 };
606
607 pin_gpio_s1 {
608 gpio-hog;
609 gpios = <ASPEED_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
610 output-low;
611 line-name = "DBP_SYSPWROK_BMC";
612 };
613
614 pin_gpio_s2 {
615 gpio-hog;
616 gpios = <ASPEED_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
617 output-high;
618 line-name = "PCH_RST_RSMRST_N";
619 };
620
621 pin_gpio_s6 {
622 gpio-hog;
623 gpios = <ASPEED_GPIO(S, 6) GPIO_ACTIVE_HIGH>;
624 output-high;
625 line-name = "BMC_HW_STRAP_5";
626 };
627
628 pin_gpio_z3 {
629 gpio-hog;
630 gpios = <ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
631 output-high;
632 line-name = "FM_BMC_PCH_SCI_LPC_N";
633 };
634
635 pin_gpio_aa0 {
636 gpio-hog;
637 gpios = <ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
638 output-low;
639 line-name = "FW_PSU_ALERT_EN_N";
640 };
641
642 pin_gpio_aa4 {
643 gpio-hog;
644 gpios = <ASPEED_GPIO(AA, 4) GPIO_ACTIVE_HIGH>;
645 output-high;
646 line-name = "DBP_CPU_PREQ_N";
647 };
648
649 pin_gpio_ab3 {
650 gpio-hog;
651 gpios = <ASPEED_GPIO(AB, 3) GPIO_ACTIVE_HIGH>;
652 output-low;
653 line-name = "BMC_WDTRST";
654 };
655
656 pin_gpio_ac6 {
657 gpio-hog;
658 gpios = <ASPEED_GPIO(AC, 6) GPIO_ACTIVE_HIGH>;
659 output-high;
660 line-name = "ESPI_BMC_ALERT_N";
661 };
662
663};