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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 earlycon";
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 clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
143 <&syscon ASPEED_CLK_MAC1RCLK>;
144 clock-names = "MACCLK", "RCLK";
145 use-ncsi;
146};
147
148&mac1 {
149 status = "okay";
150 pinctrl-names = "default";
151 pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>;
152};
153
154&adc{
155 status = "okay";
156 pinctrl-names = "default";
157 pinctrl-0 = <&pinctrl_adc0_default
158 &pinctrl_adc1_default
159 &pinctrl_adc2_default
160 &pinctrl_adc3_default
161 &pinctrl_adc4_default
162 &pinctrl_adc5_default
163 &pinctrl_adc6_default
164 &pinctrl_adc7_default
165 &pinctrl_adc8_default
166 &pinctrl_adc9_default
167 &pinctrl_adc10_default
168 &pinctrl_adc11_default
169 &pinctrl_adc12_default
170 &pinctrl_adc13_default
171 &pinctrl_adc14_default
172 &pinctrl_adc15_default>;
173};
174
175&i2c0 {
176 status = "okay";
177
178 i2c-switch@70 {
179 compatible = "nxp,pca9545";
180 reg = <0x70>;
181 #address-cells = <1>;
182 #size-cells = <0>;
183
184 i2c_riser1: i2c@0 {
185 #address-cells = <1>;
186 #size-cells = <0>;
187 reg = <0>;
188 };
189
190 i2c_riser2: i2c@1 {
191 #address-cells = <1>;
192 #size-cells = <0>;
193 reg = <1>;
194 };
195
196 i2c_riser3: i2c@2 {
197 #address-cells = <1>;
198 #size-cells = <0>;
199 reg = <2>;
200 };
201
202 i2c_M2: i2c@3 {
203 #address-cells = <1>;
204 #size-cells = <0>;
205 reg = <3>;
206 };
207 };
208};
209
210&i2c1 {
211 status = "okay";
212 bus-frequency = <90000>;
213 HotSwap@10 {
214 compatible = "adm1272";
215 reg = <0x10>;
216 };
217
218 VR@45 {
219 compatible = "pmbus";
220 reg = <0x45>;
221 };
222};
223
224&i2c2 {
225 status = "okay";
226};
227
228&i2c3 {
229 status = "okay";
230 i2c-switch@70 {
231 compatible = "nxp,pca9546";
232 reg = <0x70>;
233 #address-cells = <1>;
234 #size-cells = <0>;
235
236 channel_0: i2c@0 {
237 #address-cells = <1>;
238 #size-cells = <0>;
239 reg = <0>;
240 };
241
242 channel_1: i2c@1 {
243 #address-cells = <1>;
244 #size-cells = <0>;
245 reg = <1>;
246 };
247
248 channel_2: i2c@2 {
249 #address-cells = <1>;
250 #size-cells = <0>;
251 reg = <2>;
252 };
253
254 channel_3: i2c@3 {
255 #address-cells = <1>;
256 #size-cells = <0>;
257 reg = <3>;
258 };
259 };
260};
261
262&i2c4 {
263 status = "okay";
264};
265
266&i2c5 {
267 status = "okay";
268};
269
270&i2c6 {
271 status = "okay";
272 /* temp1 */
273 tmp75@49 {
274 compatible = "national,lm75";
275 reg = <0x49>;
276 };
277
278 /* temp2 */
279 tmp75@4d {
280 compatible = "national,lm75";
281 reg = <0x4d>;
282 };
283
284 eeprom@54 {
285 compatible = "atmel,24c256";
286 reg = <0x54>;
287 pagesize = <16>;
288 };
289};
290
291&i2c7 {
292 status = "okay";
293};
294
295&i2c8 {
296 status = "okay";
297};
298
299&i2c9 {
300 status = "okay";
301};
302
303&i2c10 {
304 status = "okay";
305};
306
307&i2c11 {
308 status = "okay";
309};
310
311&i2c13 {
312 status = "okay";
313};
314
315&ehci1 {
316 status = "okay";
317};
318
319&uhci {
320 status = "okay";
321};
322
323&gfx {
324 status = "okay";
325 memory-region = <&gfx_memory>;
326};
327
328&pwm_tacho {
329 status = "okay";
330 pinctrl-names = "default";
331 pinctrl-0 = <&pinctrl_pwm0_default
332 &pinctrl_pwm1_default
333 &pinctrl_pwm2_default
334 &pinctrl_pwm3_default
335 &pinctrl_pwm4_default
336 &pinctrl_pwm5_default
337 &pinctrl_pwm6_default
338 &pinctrl_pwm7_default>;
339
340 fan@0 {
341 reg = <0x00>;
342 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
343 };
344
345 fan@1 {
346 reg = <0x00>;
347 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
348 };
349
350 fan@2 {
351 reg = <0x01>;
352 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
353 };
354
355 fan@3 {
356 reg = <0x01>;
357 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
358 };
359
360 fan@4 {
361 reg = <0x02>;
362 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
363 };
364
365 fan@5 {
366 reg = <0x02>;
367 aspeed,fan-tach-ch = /bits/ 8 <0x05>;
368 };
369
370 fan@6 {
371 reg = <0x03>;
372 aspeed,fan-tach-ch = /bits/ 8 <0x06>;
373 };
374
375 fan@7 {
376 reg = <0x03>;
377 aspeed,fan-tach-ch = /bits/ 8 <0x07>;
378 };
379
380 fan@8 {
381 reg = <0x04>;
382 aspeed,fan-tach-ch = /bits/ 8 <0x08>;
383 };
384
385 fan@9 {
386 reg = <0x04>;
387 aspeed,fan-tach-ch = /bits/ 8 <0x09>;
388 };
389
390 fan@10 {
391 reg = <0x05>;
392 aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
393 };
394
395 fan@11 {
396 reg = <0x05>;
397 aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
398 };
399
400 fan@12 {
401 reg = <0x06>;
402 aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
403 };
404
405 fan@13 {
406 reg = <0x06>;
407 aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
408 };
409
410 fan@14 {
411 reg = <0x07>;
412 aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
413 };
414
415 fan@15 {
416 reg = <0x07>;
417 aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
418 };
419
420 fan@16 {
421 reg = <0x07>;
422 aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
423 };
424};
425
426&gpio {
427
428 pin_gpio_a1 {
429 gpio-hog;
430 gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_LOW>;
431 output-high;
432 line-name = "BMC_EMMC_RST_N";
433 };
434
435 pin_gpio_a3 {
436 gpio-hog;
437 gpios = <ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
438 output-high;
439 line-name = "PCH_PWROK_BMC_FPGA";
440 };
441
442 pin_gpio_b5 {
443 gpio-hog;
444 gpios = <ASPEED_GPIO(B, 5) GPIO_ACTIVE_HIGH>;
445 output-high;
446 line-name = "IRQ_BMC_PCH_SMI_LPC_N";
447 };
448
449 pin_gpio_b7 {
450 gpio-hog;
451 gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_LOW>;
452 output-low;
453 line-name = "CPU_SM_WP";
454 };
455
456 pin_gpio_e0 {
457 gpio-hog;
458 gpios = <ASPEED_GPIO(E, 0) GPIO_ACTIVE_HIGH>;
459 input;
460 line-name = "PDB_PSU_SEL";
461 };
462
463 pin_gpio_e2 {
464 gpio-hog;
465 gpios = <ASPEED_GPIO(E, 2) GPIO_ACTIVE_HIGH>;
466 output-high;
467 line-name = "LOCATOR_LED_N";
468 };
469
470 pin_gpio_e5 {
471 gpio-hog;
472 gpios = <ASPEED_GPIO(E, 5) GPIO_ACTIVE_HIGH>;
473 output-high;
474 line-name = "FM_BMC_DBP_PRESENT_R1_N";
475 };
476
477 pin_gpio_e6 {
478 gpio-hog;
479 gpios = <ASPEED_GPIO(E, 6) GPIO_ACTIVE_HIGH>;
480 output-high;
481 line-name = "BMC_ME_SECURITY_OVERRIDE_N";
482 };
483
484 pin_gpio_f0 {
485 gpio-hog;
486 gpios = <ASPEED_GPIO(F, 0) GPIO_ACTIVE_HIGH>;
487 output-high;
488 line-name = "IRQ_BMC_PCH_NMI_R";
489 };
490
491 pin_gpio_f1 {
492 gpio-hog;
493 gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>;
494 input;
495 line-name = "CPU2_PROCDIS_BMC_N";
496 };
497
498 pin_gpio_f2 {
499 gpio-hog;
500 gpios = <ASPEED_GPIO(F, 2) GPIO_ACTIVE_HIGH>;
501 output-high;
502 line-name = "RM_THROTTLE_EN_N";
503 };
504
505 pin_gpio_f3 {
506 gpio-hog;
507 gpios = <ASPEED_GPIO(F, 3) GPIO_ACTIVE_HIGH>;
508 output-low;
509 line-name = "FM_PMBUS_ALERT_B_EN";
510 };
511
512 pin_gpio_f4 {
513 gpio-hog;
514 gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>;
515 output-high;
516 line-name = "BMC_FORCE_NM_THROTTLE_N";
517 };
518
519 pin_gpio_f6 {
520 gpio-hog;
521 gpios = <ASPEED_GPIO(F, 6) GPIO_ACTIVE_HIGH>;
522 output-high;
523 line-name = "FM_BMC_CPU_PWR_DEBUG_N";
524 };
525
526 pin_gpio_g7 {
527 gpio-hog;
528 gpios = <ASPEED_GPIO(G, 7) GPIO_ACTIVE_HIGH>;
529 output-high;
530 line-name = "BMC_PCIE_I2C_MUX_RST_N";
531 };
532
533 pin_gpio_h6 {
534 gpio-hog;
535 gpios = <ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
536 output-high;
537 line-name = "FM_BMC_DBP_PRESENT_R2_N";
538 };
539
540 pin_gpio_i3 {
541 gpio-hog;
542 gpios = <ASPEED_GPIO(I, 3) GPIO_ACTIVE_HIGH>;
543 output-high;
544 line-name = "SPI_BMC_BIOS_WP_N";
545 };
546
547 pin_gpio_j1 {
548 gpio-hog;
549 gpios = <ASPEED_GPIO(J, 1) GPIO_ACTIVE_HIGH>;
550 output-high;
551 line-name = "BMC_USB_SEL";
552 };
553
554 pin_gpio_j2 {
555 gpio-hog;
556 gpios = <ASPEED_GPIO(J, 2) GPIO_ACTIVE_HIGH>;
557 output-high;
558 line-name = "PDB_SMB_RST_N";
559 };
560
561 pin_gpio_j3 {
562 gpio-hog;
563 gpios = <ASPEED_GPIO(J, 3) GPIO_ACTIVE_HIGH>;
564 output-high;
565 line-name = "SPI_BMC_BIOS_HOLD_N";
566 };
567
568 pin_gpio_l0 {
569 gpio-hog;
570 gpios = <ASPEED_GPIO(L, 0) GPIO_ACTIVE_HIGH>;
571 output-high;
572 line-name = "PDB_FAN_TACH_SEL";
573 };
574
575 pin_gpio_l1 {
576 gpio-hog;
577 gpios = <ASPEED_GPIO(L, 1) GPIO_ACTIVE_HIGH>;
578 output-high;
579 line-name = "SYS_RESET_BMC_FPGA_N";
580 };
581
582 pin_gpio_l4 {
583 gpio-hog;
584 gpios = <ASPEED_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
585 output-high;
586 line-name = "FM_EFUSE_FAN_G1_EN";
587 };
588
589 pin_gpio_l5 {
590 gpio-hog;
591 gpios = <ASPEED_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
592 output-high;
593 line-name = "FM_EFUSE_FAN_G2_EN";
594 };
595
596 pin_gpio_r6 {
597 gpio-hog;
598 gpios = <ASPEED_GPIO(R, 6) GPIO_ACTIVE_HIGH>;
599 input;
600 line-name = "CPU3_PROCDIS_BMC_N";
601 };
602
603 pin_gpio_r7 {
604 gpio-hog;
605 gpios = <ASPEED_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
606 input;
607 line-name = "CPU4_PROCDIS_BMC_N";
608 };
609
610 pin_gpio_s1 {
611 gpio-hog;
612 gpios = <ASPEED_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
613 output-low;
614 line-name = "DBP_SYSPWROK_BMC";
615 };
616
617 pin_gpio_s2 {
618 gpio-hog;
619 gpios = <ASPEED_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
620 output-high;
621 line-name = "PCH_RST_RSMRST_N";
622 };
623
624 pin_gpio_s6 {
625 gpio-hog;
626 gpios = <ASPEED_GPIO(S, 6) GPIO_ACTIVE_HIGH>;
627 output-high;
628 line-name = "BMC_HW_STRAP_5";
629 };
630
631 pin_gpio_z3 {
632 gpio-hog;
633 gpios = <ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
634 output-high;
635 line-name = "FM_BMC_PCH_SCI_LPC_N";
636 };
637
638 pin_gpio_aa0 {
639 gpio-hog;
640 gpios = <ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
641 output-low;
642 line-name = "FW_PSU_ALERT_EN_N";
643 };
644
645 pin_gpio_aa4 {
646 gpio-hog;
647 gpios = <ASPEED_GPIO(AA, 4) GPIO_ACTIVE_HIGH>;
648 output-high;
649 line-name = "DBP_CPU_PREQ_N";
650 };
651
652 pin_gpio_ab3 {
653 gpio-hog;
654 gpios = <ASPEED_GPIO(AB, 3) GPIO_ACTIVE_HIGH>;
655 output-low;
656 line-name = "BMC_WDTRST";
657 };
658
659 pin_gpio_ac6 {
660 gpio-hog;
661 gpios = <ASPEED_GPIO(AC, 6) GPIO_ACTIVE_HIGH>;
662 output-high;
663 line-name = "ESPI_BMC_ALERT_N";
664 };
665
666};