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1// SPDX-License-Identifier: GPL-2.0+
2/dts-v1/;
3#include "aspeed-g5.dtsi"
4#include <dt-bindings/gpio/aspeed-gpio.h>
5#include <dt-bindings/leds/leds-pca955x.h>
6
7/ {
8 model = "Witherspoon BMC";
9 compatible = "ibm,witherspoon-bmc", "aspeed,ast2500";
10
11 chosen {
12 stdout-path = &uart5;
13 bootargs = "console=ttyS4,115200 earlyprintk";
14 };
15
16 memory@80000000 {
17 reg = <0x80000000 0x20000000>;
18 };
19
20 reserved-memory {
21 #address-cells = <1>;
22 #size-cells = <1>;
23 ranges;
24
25 flash_memory: region@98000000 {
26 no-map;
27 reg = <0x98000000 0x04000000>; /* 64M */
28 };
29 };
30
31 gpio-keys-polled {
32 compatible = "gpio-keys-polled";
33 #address-cells = <1>;
34 #size-cells = <0>;
35 poll-interval = <1000>;
36
37 fan0-presence {
38 label = "fan0-presence";
39 gpios = <&pca0 4 GPIO_ACTIVE_LOW>;
40 linux,code = <4>;
41 };
42
43 fan1-presence {
44 label = "fan1-presence";
45 gpios = <&pca0 5 GPIO_ACTIVE_LOW>;
46 linux,code = <5>;
47 };
48
49 fan2-presence {
50 label = "fan2-presence";
51 gpios = <&pca0 6 GPIO_ACTIVE_LOW>;
52 linux,code = <6>;
53 };
54
55 fan3-presence {
56 label = "fan3-presence";
57 gpios = <&pca0 7 GPIO_ACTIVE_LOW>;
58 linux,code = <7>;
59 };
60 };
61
62 leds {
63 compatible = "gpio-leds";
64
65 fan0 {
66 retain-state-shutdown;
67 default-state = "keep";
68 gpios = <&pca0 0 GPIO_ACTIVE_LOW>;
69 };
70
71 fan1 {
72 retain-state-shutdown;
73 default-state = "keep";
74 gpios = <&pca0 1 GPIO_ACTIVE_LOW>;
75 };
76
77 fan2 {
78 retain-state-shutdown;
79 default-state = "keep";
80 gpios = <&pca0 2 GPIO_ACTIVE_LOW>;
81 };
82
83 fan3 {
84 retain-state-shutdown;
85 default-state = "keep";
86 gpios = <&pca0 3 GPIO_ACTIVE_LOW>;
87 };
88
89 front-fault {
90 retain-state-shutdown;
91 default-state = "keep";
92 gpios = <&pca0 13 GPIO_ACTIVE_LOW>;
93 };
94
95 front-power {
96 retain-state-shutdown;
97 default-state = "keep";
98 gpios = <&pca0 14 GPIO_ACTIVE_LOW>;
99 };
100
101 front-id {
102 retain-state-shutdown;
103 default-state = "keep";
104 gpios = <&pca0 15 GPIO_ACTIVE_LOW>;
105 };
106
107 rear-fault {
108 gpios = <&gpio ASPEED_GPIO(N, 2) GPIO_ACTIVE_LOW>;
109 };
110
111 rear-id {
112 gpios = <&gpio ASPEED_GPIO(N, 4) GPIO_ACTIVE_LOW>;
113 };
114
115 rear-power {
116 gpios = <&gpio ASPEED_GPIO(N, 3) GPIO_ACTIVE_LOW>;
117 };
118
119 power-button {
120 gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
121 };
122 };
123
124 fsi: gpio-fsi {
125 compatible = "fsi-master-gpio", "fsi-master";
126 #address-cells = <2>;
127 #size-cells = <0>;
128
129 clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
130 data-gpios = <&gpio ASPEED_GPIO(E, 0) GPIO_ACTIVE_HIGH>;
131 mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
132 enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
133 trans-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
134 };
135
136 iio-hwmon-dps310 {
137 compatible = "iio-hwmon";
138 io-channels = <&dps 0>;
139 };
140
141 iio-hwmon-bmp280 {
142 compatible = "iio-hwmon";
143 io-channels = <&bmp 1>;
144 };
145
146};
147
148&fmc {
149 status = "okay";
150
151 flash@0 {
152 status = "okay";
153 label = "bmc";
154 m25p,fast-read;
155#include "openbmc-flash-layout.dtsi"
156 };
157
158 flash@1 {
159 status = "okay";
160 label = "alt";
161 m25p,fast-read;
162 };
163};
164
165&spi1 {
166 status = "okay";
167 pinctrl-names = "default";
168 pinctrl-0 = <&pinctrl_spi1_default>;
169
170 flash@0 {
171 status = "okay";
172 label = "pnor";
173 m25p,fast-read;
174 };
175};
176
177&uart1 {
178 /* Rear RS-232 connector */
179 status = "okay";
180 pinctrl-names = "default";
181 pinctrl-0 = <&pinctrl_txd1_default
182 &pinctrl_rxd1_default
183 &pinctrl_nrts1_default
184 &pinctrl_ndtr1_default
185 &pinctrl_ndsr1_default
186 &pinctrl_ncts1_default
187 &pinctrl_ndcd1_default
188 &pinctrl_nri1_default>;
189};
190
191&uart2 {
192 /* APSS */
193 status = "okay";
194 pinctrl-names = "default";
195 pinctrl-0 = <&pinctrl_txd2_default &pinctrl_rxd2_default>;
196};
197
198&uart5 {
199 status = "okay";
200};
201
202&lpc_ctrl {
203 status = "okay";
204 memory-region = <&flash_memory>;
205 flash = <&spi1>;
206};
207
208&mac0 {
209 status = "okay";
210 pinctrl-names = "default";
211 pinctrl-0 = <&pinctrl_rmii1_default>;
212 use-ncsi;
213};
214
215&i2c2 {
216 status = "okay";
217
218 /* MUX ->
219 * Samtec 1
220 * Samtec 2
221 */
222};
223
224&i2c3 {
225 status = "okay";
226
227 bmp: bmp280@77 {
228 compatible = "bosch,bmp280";
229 reg = <0x77>;
230 #io-channel-cells = <1>;
231 };
232
233 max31785@52 {
234 compatible = "maxim,max31785a";
235 reg = <0x52>;
236 #address-cells = <1>;
237 #size-cells = <0>;
238 };
239
240 dps: dps310@76 {
241 compatible = "infineon,dps310";
242 reg = <0x76>;
243 #io-channel-cells = <0>;
244 };
245
246 pca0: pca9552@60 {
247 compatible = "nxp,pca9552";
248 reg = <0x60>;
249 #address-cells = <1>;
250 #size-cells = <0>;
251
252 gpio-controller;
253 #gpio-cells = <2>;
254
255 gpio@0 {
256 reg = <0>;
257 type = <PCA955X_TYPE_GPIO>;
258 };
259
260 gpio@1 {
261 reg = <1>;
262 type = <PCA955X_TYPE_GPIO>;
263 };
264
265 gpio@2 {
266 reg = <2>;
267 type = <PCA955X_TYPE_GPIO>;
268 };
269
270 gpio@3 {
271 reg = <3>;
272 type = <PCA955X_TYPE_GPIO>;
273 };
274
275 gpio@4 {
276 reg = <4>;
277 type = <PCA955X_TYPE_GPIO>;
278 };
279
280 gpio@5 {
281 reg = <5>;
282 type = <PCA955X_TYPE_GPIO>;
283 };
284
285 gpio@6 {
286 reg = <6>;
287 type = <PCA955X_TYPE_GPIO>;
288 };
289
290 gpio@7 {
291 reg = <7>;
292 type = <PCA955X_TYPE_GPIO>;
293 };
294
295 gpio@8 {
296 reg = <8>;
297 type = <PCA955X_TYPE_GPIO>;
298 };
299
300 gpio@9 {
301 reg = <9>;
302 type = <PCA955X_TYPE_GPIO>;
303 };
304
305 gpio@10 {
306 reg = <10>;
307 type = <PCA955X_TYPE_GPIO>;
308 };
309
310 gpio@11 {
311 reg = <11>;
312 type = <PCA955X_TYPE_GPIO>;
313 };
314
315 gpio@12 {
316 reg = <12>;
317 type = <PCA955X_TYPE_GPIO>;
318 };
319
320 gpio@13 {
321 reg = <13>;
322 type = <PCA955X_TYPE_GPIO>;
323 };
324
325 gpio@14 {
326 reg = <14>;
327 type = <PCA955X_TYPE_GPIO>;
328 };
329
330 gpio@15 {
331 reg = <15>;
332 type = <PCA955X_TYPE_GPIO>;
333 };
334 };
335
336 power-supply@68 {
337 compatible = "ibm,cffps1";
338 reg = <0x68>;
339 };
340
341 power-supply@69 {
342 compatible = "ibm,cffps1";
343 reg = <0x69>;
344 };
345};
346
347&i2c4 {
348 status = "okay";
349
350 tmp423a@4c {
351 compatible = "ti,tmp423";
352 reg = <0x4c>;
353 };
354
355 ir35221@70 {
356 compatible = "infineon,ir35221";
357 reg = <0x70>;
358 };
359
360 ir35221@71 {
361 compatible = "infineon,ir35221";
362 reg = <0x71>;
363 };
364};
365
366
367&i2c5 {
368 status = "okay";
369
370 tmp423a@4c {
371 compatible = "ti,tmp423";
372 reg = <0x4c>;
373 };
374
375 ir35221@70 {
376 compatible = "infineon,ir35221";
377 reg = <0x70>;
378 };
379
380 ir35221@71 {
381 compatible = "infineon,ir35221";
382 reg = <0x71>;
383 };
384};
385
386&i2c9 {
387 status = "okay";
388
389 tmp275@4a {
390 compatible = "ti,tmp275";
391 reg = <0x4a>;
392 };
393};
394
395&i2c10 {
396 /* MUX
397 * -> PCIe Slot 3
398 * -> PCIe Slot 4
399 */
400 status = "okay";
401};
402
403&i2c11 {
404 status = "okay";
405
406 pca9552: pca9552@60 {
407 compatible = "nxp,pca9552";
408 reg = <0x60>;
409 #address-cells = <1>;
410 #size-cells = <0>;
411 gpio-controller;
412 #gpio-cells = <2>;
413
414 gpio-line-names = "PS_SMBUS_RESET_N", "APSS_RESET_N",
415 "GPU0_TH_OVERT_N_BUFF", "GPU1_TH_OVERT_N_BUFF",
416 "GPU2_TH_OVERT_N_BUFF", "GPU3_TH_OVERT_N_BUFF",
417 "GPU4_TH_OVERT_N_BUFF", "GPU5_TH_OVERT_N_BUFF",
418 "GPU0_PWR_GOOD_BUFF", "GPU1_PWR_GOOD_BUFF",
419 "GPU2_PWR_GOOD_BUFF", "GPU3_PWR_GOOD_BUFF",
420 "GPU4_PWR_GOOD_BUFF", "GPU5_PWR_GOOD_BUFF",
421 "12V_BREAKER_FLT_N", "THROTTLE_UNLATCHED_N";
422
423 gpio@0 {
424 reg = <0>;
425 type = <PCA955X_TYPE_GPIO>;
426 };
427
428 gpio@1 {
429 reg = <1>;
430 type = <PCA955X_TYPE_GPIO>;
431 };
432
433 gpio@2 {
434 reg = <2>;
435 type = <PCA955X_TYPE_GPIO>;
436 };
437
438 gpio@3 {
439 reg = <3>;
440 type = <PCA955X_TYPE_GPIO>;
441 };
442
443 gpio@4 {
444 reg = <4>;
445 type = <PCA955X_TYPE_GPIO>;
446 };
447
448 gpio@5 {
449 reg = <5>;
450 type = <PCA955X_TYPE_GPIO>;
451 };
452
453 gpio@6 {
454 reg = <6>;
455 type = <PCA955X_TYPE_GPIO>;
456 };
457
458 gpio@7 {
459 reg = <7>;
460 type = <PCA955X_TYPE_GPIO>;
461 };
462
463 gpio@8 {
464 reg = <8>;
465 type = <PCA955X_TYPE_GPIO>;
466 };
467
468 gpio@9 {
469 reg = <9>;
470 type = <PCA955X_TYPE_GPIO>;
471 };
472
473 gpio@10 {
474 reg = <10>;
475 type = <PCA955X_TYPE_GPIO>;
476 };
477
478 gpio@11 {
479 reg = <11>;
480 type = <PCA955X_TYPE_GPIO>;
481 };
482
483 gpio@12 {
484 reg = <12>;
485 type = <PCA955X_TYPE_GPIO>;
486 };
487
488 gpio@13 {
489 reg = <13>;
490 type = <PCA955X_TYPE_GPIO>;
491 };
492
493 gpio@14 {
494 reg = <14>;
495 type = <PCA955X_TYPE_GPIO>;
496 };
497
498 gpio@15 {
499 reg = <15>;
500 type = <PCA955X_TYPE_GPIO>;
501 };
502 };
503
504 rtc@32 {
505 compatible = "epson,rx8900";
506 reg = <0x32>;
507 };
508
509 eeprom@51 {
510 compatible = "atmel,24c64";
511 reg = <0x51>;
512 };
513
514 ucd90160@64 {
515 compatible = "ti,ucd90160";
516 reg = <0x64>;
517 };
518};
519
520&i2c12 {
521 status = "okay";
522};
523
524&i2c13 {
525 status = "okay";
526};
527
528&vuart {
529 status = "okay";
530};
531
532&gfx {
533 status = "okay";
534};
535
536&pinctrl {
537 aspeed,external-nodes = <&gfx &lhc>;
538};
539
540&wdt1 {
541 aspeed,reset-type = "none";
542 aspeed,external-signal;
543 aspeed,ext-push-pull;
544 aspeed,ext-active-high;
545
546 pinctrl-names = "default";
547 pinctrl-0 = <&pinctrl_wdtrst1_default>;
548};
549
550&ibt {
551 status = "okay";
552};