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-mux@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-mux@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}; 667