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1// SPDX-License-Identifier: GPL-2.0-only
2// Copyright (c) 2022, Ampere Computing LLC
3
4/dts-v1/;
5
6#include "aspeed-g6.dtsi"
7#include <dt-bindings/gpio/aspeed-gpio.h>
8
9/ {
10 model = "Ampere Mt.Mitchell BMC";
11 compatible = "ampere,mtmitchell-bmc", "aspeed,ast2600";
12
13 chosen {
14 stdout-path = &uart5;
15 };
16
17 memory@80000000 {
18 device_type = "memory";
19 reg = <0x80000000 0x80000000>;
20 };
21
22 reserved-memory {
23 #address-cells = <1>;
24 #size-cells = <1>;
25 ranges;
26
27 gfx_memory: framebuffer {
28 size = <0x01000000>;
29 alignment = <0x01000000>;
30 compatible = "shared-dma-pool";
31 reusable;
32 };
33
34 video_engine_memory: video {
35 size = <0x04000000>;
36 alignment = <0x01000000>;
37 compatible = "shared-dma-pool";
38 reusable;
39 };
40
41 vga_memory: region@bf000000 {
42 no-map;
43 compatible = "shared-dma-pool";
44 reg = <0xbf000000 0x01000000>; /* 16M */
45 };
46 };
47
48 voltage_mon_reg: voltage-mon-regulator {
49 compatible = "regulator-fixed";
50 regulator-name = "ltc2497_reg";
51 regulator-min-microvolt = <3300000>;
52 regulator-max-microvolt = <3300000>;
53 regulator-always-on;
54 };
55
56 gpioI5mux: mux-controller {
57 compatible = "gpio-mux";
58 #mux-control-cells = <0>;
59 mux-gpios = <&gpio0 ASPEED_GPIO(I, 5) GPIO_ACTIVE_HIGH>;
60 };
61
62 adc0mux: adc0mux {
63 compatible = "io-channel-mux";
64 io-channels = <&adc0 0>;
65 #io-channel-cells = <1>;
66 io-channel-names = "parent";
67 mux-controls = <&gpioI5mux>;
68 channels = "s0", "s1";
69 };
70
71 adc1mux: adc1mux {
72 compatible = "io-channel-mux";
73 io-channels = <&adc0 1>;
74 #io-channel-cells = <1>;
75 io-channel-names = "parent";
76 mux-controls = <&gpioI5mux>;
77 channels = "s0", "s1";
78 };
79
80 adc2mux: adc2mux {
81 compatible = "io-channel-mux";
82 io-channels = <&adc0 2>;
83 #io-channel-cells = <1>;
84 io-channel-names = "parent";
85 mux-controls = <&gpioI5mux>;
86 channels = "s0", "s1";
87 };
88
89 adc3mux: adc3mux {
90 compatible = "io-channel-mux";
91 io-channels = <&adc0 3>;
92 #io-channel-cells = <1>;
93 io-channel-names = "parent";
94 mux-controls = <&gpioI5mux>;
95 channels = "s0", "s1";
96 };
97
98 adc4mux: adc4mux {
99 compatible = "io-channel-mux";
100 io-channels = <&adc0 4>;
101 #io-channel-cells = <1>;
102 io-channel-names = "parent";
103 mux-controls = <&gpioI5mux>;
104 channels = "s0", "s1";
105 };
106
107 adc5mux: adc5mux {
108 compatible = "io-channel-mux";
109 io-channels = <&adc0 5>;
110 #io-channel-cells = <1>;
111 io-channel-names = "parent";
112 mux-controls = <&gpioI5mux>;
113 channels = "s0", "s1";
114 };
115
116 adc6mux: adc6mux {
117 compatible = "io-channel-mux";
118 io-channels = <&adc0 6>;
119 #io-channel-cells = <1>;
120 io-channel-names = "parent";
121 mux-controls = <&gpioI5mux>;
122 channels = "s0", "s1";
123 };
124
125 adc7mux: adc7mux {
126 compatible = "io-channel-mux";
127 io-channels = <&adc0 7>;
128 #io-channel-cells = <1>;
129 io-channel-names = "parent";
130 mux-controls = <&gpioI5mux>;
131 channels = "s0", "s1";
132 };
133
134 adc8mux: adc8mux {
135 compatible = "io-channel-mux";
136 io-channels = <&adc1 0>;
137 #io-channel-cells = <1>;
138 io-channel-names = "parent";
139 mux-controls = <&gpioI5mux>;
140 channels = "s0", "s1";
141 };
142
143 adc9mux: adc9mux {
144 compatible = "io-channel-mux";
145 io-channels = <&adc1 1>;
146 #io-channel-cells = <1>;
147 io-channel-names = "parent";
148 mux-controls = <&gpioI5mux>;
149 channels = "s0", "s1";
150 };
151
152 adc10mux: adc10mux {
153 compatible = "io-channel-mux";
154 io-channels = <&adc1 2>;
155 #io-channel-cells = <1>;
156 io-channel-names = "parent";
157 mux-controls = <&gpioI5mux>;
158 channels = "s0", "s1";
159 };
160
161 adc11mux: adc11mux {
162 compatible = "io-channel-mux";
163 io-channels = <&adc1 3>;
164 #io-channel-cells = <1>;
165 io-channel-names = "parent";
166 mux-controls = <&gpioI5mux>;
167 channels = "s0", "s1";
168 };
169
170 adc12mux: adc12mux {
171 compatible = "io-channel-mux";
172 io-channels = <&adc1 4>;
173 #io-channel-cells = <1>;
174 io-channel-names = "parent";
175 mux-controls = <&gpioI5mux>;
176 channels = "s0", "s1";
177 };
178
179 adc13mux: adc13mux {
180 compatible = "io-channel-mux";
181 io-channels = <&adc1 5>;
182 #io-channel-cells = <1>;
183 io-channel-names = "parent";
184 mux-controls = <&gpioI5mux>;
185 channels = "s0", "s1";
186 };
187
188 adc14mux: adc14mux {
189 compatible = "io-channel-mux";
190 io-channels = <&adc1 6>;
191 #io-channel-cells = <1>;
192 io-channel-names = "parent";
193 mux-controls = <&gpioI5mux>;
194 channels = "s0", "s1";
195 };
196
197 adc15mux: adc15mux {
198 compatible = "io-channel-mux";
199 io-channels = <&adc1 7>;
200 #io-channel-cells = <1>;
201 io-channel-names = "parent";
202 mux-controls = <&gpioI5mux>;
203 channels = "s0", "s1";
204 };
205
206 iio-hwmon {
207 compatible = "iio-hwmon";
208 io-channels = <&adc0mux 0>, <&adc0mux 1>,
209 <&adc1mux 0>, <&adc1mux 1>,
210 <&adc2mux 0>, <&adc2mux 1>,
211 <&adc3mux 0>, <&adc3mux 1>,
212 <&adc4mux 0>, <&adc4mux 1>,
213 <&adc5mux 0>, <&adc5mux 1>,
214 <&adc6mux 0>, <&adc6mux 1>,
215 <&adc7mux 0>, <&adc7mux 1>,
216 <&adc8mux 0>, <&adc8mux 1>,
217 <&adc9mux 0>, <&adc9mux 1>,
218 <&adc10mux 0>, <&adc10mux 1>,
219 <&adc11mux 0>, <&adc11mux 1>,
220 <&adc12mux 0>, <&adc12mux 1>,
221 <&adc13mux 0>, <&adc13mux 1>,
222 <&adc14mux 0>, <&adc14mux 1>,
223 <&adc15mux 0>, <&adc15mux 1>,
224 <&adc_i2c 0>, <&adc_i2c 1>,
225 <&adc_i2c 2>, <&adc_i2c 3>,
226 <&adc_i2c 4>, <&adc_i2c 5>,
227 <&adc_i2c 6>, <&adc_i2c 7>,
228 <&adc_i2c 8>, <&adc_i2c 9>,
229 <&adc_i2c 10>, <&adc_i2c 11>,
230 <&adc_i2c 12>, <&adc_i2c 13>,
231 <&adc_i2c 14>, <&adc_i2c 15>;
232 };
233};
234
235&mdio0 {
236 status = "okay";
237
238 ethphy0: ethernet-phy@0 {
239 compatible = "ethernet-phy-ieee802.3-c22";
240 reg = <0>;
241 };
242};
243
244&mac0 {
245 status = "okay";
246
247 phy-mode = "rgmii";
248 phy-handle = <ðphy0>;
249
250 pinctrl-names = "default";
251 pinctrl-0 = <&pinctrl_rgmii1_default>;
252};
253
254&fmc {
255 status = "okay";
256 flash@0 {
257 status = "okay";
258 m25p,fast-read;
259 label = "bmc";
260 spi-max-frequency = <50000000>;
261#include "openbmc-flash-layout-64.dtsi"
262 };
263
264 flash@1 {
265 status = "okay";
266 m25p,fast-read;
267 label = "alt-bmc";
268 spi-max-frequency = <50000000>;
269#include "openbmc-flash-layout-64-alt.dtsi"
270 };
271};
272
273&spi1 {
274 status = "okay";
275 pinctrl-names = "default";
276 pinctrl-0 = <&pinctrl_spi1_default>;
277
278 flash@0 {
279 status = "okay";
280 m25p,fast-read;
281 label = "pnor";
282 spi-max-frequency = <20000000>;
283 };
284};
285
286&uart1 {
287 status = "okay";
288};
289
290&uart2 {
291 status = "okay";
292};
293
294&uart3 {
295 status = "okay";
296};
297
298&uart4 {
299 status = "okay";
300};
301
302&i2c0 {
303 status = "okay";
304
305 temperature-sensor@2e {
306 compatible = "adi,adt7490";
307 reg = <0x2e>;
308 };
309};
310
311&i2c1 {
312 status = "okay";
313};
314
315&i2c2 {
316 status = "okay";
317
318 psu@58 {
319 compatible = "pmbus";
320 reg = <0x58>;
321 };
322
323 psu@59 {
324 compatible = "pmbus";
325 reg = <0x59>;
326 };
327};
328
329&i2c3 {
330 status = "okay";
331};
332
333&i2c4 {
334 status = "okay";
335
336 adc_i2c: adc@16 {
337 compatible = "lltc,ltc2497";
338 reg = <0x16>;
339 vref-supply = <&voltage_mon_reg>;
340 #io-channel-cells = <1>;
341 };
342
343 eeprom@50 {
344 compatible = "atmel,24c64";
345 reg = <0x50>;
346 pagesize = <32>;
347 };
348
349 i2c-mux@70 {
350 compatible = "nxp,pca9545";
351 #address-cells = <1>;
352 #size-cells = <0>;
353 reg = <0x70>;
354 i2c-mux-idle-disconnect;
355
356 i2c4_bus70_chn0: i2c@0 {
357 #address-cells = <1>;
358 #size-cells = <0>;
359 reg = <0x0>;
360
361 outlet_temp1: temperature-sensor@48 {
362 compatible = "ti,tmp75";
363 reg = <0x48>;
364 };
365 psu1_inlet_temp2: temperature-sensor@49 {
366 compatible = "ti,tmp75";
367 reg = <0x49>;
368 };
369 };
370
371 i2c4_bus70_chn1: i2c@1 {
372 #address-cells = <1>;
373 #size-cells = <0>;
374 reg = <0x1>;
375
376 pcie_zone_temp1: temperature-sensor@48 {
377 compatible = "ti,tmp75";
378 reg = <0x48>;
379 };
380 psu0_inlet_temp2: temperature-sensor@49 {
381 compatible = "ti,tmp75";
382 reg = <0x49>;
383 };
384 };
385
386 i2c4_bus70_chn2: i2c@2 {
387 #address-cells = <1>;
388 #size-cells = <0>;
389 reg = <0x2>;
390
391 pcie_zone_temp2: temperature-sensor@48 {
392 compatible = "ti,tmp75";
393 reg = <0x48>;
394 };
395 outlet_temp2: temperature-sensor@49 {
396 compatible = "ti,tmp75";
397 reg = <0x49>;
398 };
399 };
400
401 i2c4_bus70_chn3: i2c@3 {
402 #address-cells = <1>;
403 #size-cells = <0>;
404 reg = <0x3>;
405
406 mb_inlet_temp1: temperature-sensor@7c {
407 compatible = "microchip,emc1413";
408 reg = <0x7c>;
409 };
410 mb_inlet_temp2: temperature-sensor@4c {
411 compatible = "microchip,emc1413";
412 reg = <0x4c>;
413 };
414 };
415 };
416};
417
418&i2c5 {
419 status = "okay";
420
421 i2c-mux@70 {
422 compatible = "nxp,pca9548";
423 #address-cells = <1>;
424 #size-cells = <0>;
425 reg = <0x70>;
426 i2c-mux-idle-disconnect;
427 };
428};
429
430&i2c6 {
431 status = "okay";
432 rtc@51 {
433 compatible = "nxp,pcf85063a";
434 reg = <0x51>;
435 };
436};
437
438&i2c7 {
439 status = "okay";
440};
441
442&i2c9 {
443 status = "okay";
444};
445
446&i2c11 {
447 status = "okay";
448 ssif-bmc@10 {
449 compatible = "ssif-bmc";
450 reg = <0x10>;
451 };
452};
453
454&i2c14 {
455 status = "okay";
456 eeprom@50 {
457 compatible = "atmel,24c64";
458 reg = <0x50>;
459 pagesize = <32>;
460 };
461
462 bmc_ast2600_cpu: temperature-sensor@35 {
463 compatible = "ti,tmp175";
464 reg = <0x35>;
465 };
466};
467
468&adc0 {
469 ref_voltage = <2500>;
470 status = "okay";
471
472 pinctrl-names = "default";
473 pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
474 &pinctrl_adc2_default &pinctrl_adc3_default
475 &pinctrl_adc4_default &pinctrl_adc5_default
476 &pinctrl_adc6_default &pinctrl_adc7_default>;
477};
478
479&adc1 {
480 ref_voltage = <2500>;
481 status = "okay";
482
483 pinctrl-names = "default";
484 pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc9_default
485 &pinctrl_adc10_default &pinctrl_adc11_default
486 &pinctrl_adc12_default &pinctrl_adc13_default
487 &pinctrl_adc14_default &pinctrl_adc15_default>;
488};
489
490&vhub {
491 status = "okay";
492};
493
494&video {
495 status = "okay";
496 memory-region = <&video_engine_memory>;
497};
498
499&gpio0 {
500 gpio-line-names =
501 /*A0-A7*/ "","","","","","i2c2-reset-n","i2c6-reset-n","i2c4-reset-n",
502 /*B0-B7*/ "","","","","host0-sysreset-n","host0-pmin-n","","",
503 /*C0-C7*/ "s0-vrd-fault-n","s1-vrd-fault-n","","",
504 "irq-n","","vrd-sel","spd-sel",
505 /*D0-D7*/ "presence-ps0","presence-ps1","hsc-12vmain-alt2-n","ext-high-temp-n",
506 "","bmc-ncsi-txen","","",
507 /*E0-E7*/ "","","clk50m-bmc-ncsi","","","","","",
508 /*F0-F7*/ "s0-pcp-oc-warn-n","s1-pcp-oc-warn-n","power-chassis-control",
509 "cpu-bios-recover","s0-heartbeat","hs-csout-prochot",
510 "s0-vr-hot-n","s1-vr-hot-n",
511 /*G0-G7*/ "","","hsc-12vmain-alt1-n","","","","","",
512 /*H0-H7*/ "","","wd-disable-n","power-chassis-good","","","","",
513 /*I0-I7*/ "","","","","","adc-sw","power-button","rtc-battery-voltage-read-enable",
514 /*J0-J7*/ "","","","","","","","",
515 /*K0-K7*/ "","","","","","","","",
516 /*L0-L7*/ "","","","","","","","",
517 /*M0-M7*/ "","s0-ddr-save","soc-spi-nor-access","presence-cpu0",
518 "s0-rtc-lock","","","",
519 /*N0-N7*/ "hpm-fw-recovery","hpm-stby-rst-n","jtag-sel-s0","led-sw-hb",
520 "jtag-dbgr-prsnt-n","s1-heartbeat","","",
521 /*O0-O7*/ "","","","","","","","",
522 /*P0-P7*/ "ps0-ac-loss-n","ps1-ac-loss-n","","",
523 "led-fault","cpld-user-mode","jtag-srst-n","led-bmc-hb",
524 /*Q0-Q7*/ "","","","","","","","",
525 /*R0-R7*/ "","","","","","","","",
526 /*S0-S7*/ "","","identify-button","led-identify",
527 "s1-ddr-save","spi-nor-access","sys-pgood","presence-cpu1",
528 /*T0-T7*/ "","","","","","","","",
529 /*U0-U7*/ "","","","","","","","",
530 /*V0-V7*/ "s0-hightemp-n","s0-fault-alert","s0-sys-auth-failure-n",
531 "host0-reboot-ack-n","host0-ready","host0-shd-req-n",
532 "host0-shd-ack-n","s0-overtemp-n",
533 /*W0-W7*/ "ocp-aux-pwren","ocp-main-pwren","ocp-pgood","",
534 "bmc-ok","bmc-ready","spi0-program-sel","spi0-backup-sel",
535 /*X0-X7*/ "i2c-backup-sel","s1-fault-alert","s1-fw-boot-ok",
536 "s1-hightemp-n","s0-spi-auth-fail-n","s1-sys-auth-failure-n",
537 "s1-overtemp-n","s1-spi-auth-fail-n",
538 /*Y0-Y7*/ "","","","","","","","host0-special-boot",
539 /*Z0-Z7*/ "reset-button","ps0-pgood","ps1-pgood","","","","","";
540};
541
542&gpio1 {
543 gpio-line-names =
544 /*18A0-18A7*/ "","","","","","","","",
545 /*18B0-18B7*/ "","","","","","","s0-soc-pgood","",
546 /*18C0-18C7*/ "uart1-mode0","uart1-mode1","uart2-mode0","uart2-mode1",
547 "uart3-mode0","uart3-mode1","uart4-mode0","uart4-mode1",
548 /*18D0-18D7*/ "","","","","","","","",
549 /*18E0-18E3*/ "","","","";
550};