1// SPDX-License-Identifier: GPL-2.0+ 2// Copyright (c) 2025 Facebook Inc. 3 4/dts-v1/; 5#include "aspeed-g6.dtsi" 6#include <dt-bindings/gpio/aspeed-gpio.h> 7#include <dt-bindings/i2c/i2c.h> 8#include <dt-bindings/interrupt-controller/irq.h> 9#include <dt-bindings/leds/common.h> 10#include <dt-bindings/leds/leds-pca955x.h> 11#include <dt-bindings/usb/pd.h> 12 13/ { 14 model = "Facebook SanMiguel BMC"; 15 compatible = "facebook,sanmiguel-bmc", "aspeed,ast2600"; 16 17 aliases { 18 serial0 = &uart1; 19 serial1 = &uart2; 20 serial2 = &uart3; 21 serial3 = &uart4; 22 serial4 = &uart5; 23 i2c16 = &imux16; 24 i2c17 = &imux17; 25 i2c18 = &imux18; 26 i2c19 = &imux19; 27 }; 28 29 chosen { 30 stdout-path = "serial4:57600n8"; 31 }; 32 33 iio-hwmon { 34 compatible = "iio-hwmon"; 35 io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>, 36 <&adc0 4>, <&adc0 5>, <&adc0 6>; 37 }; 38 39 leds-fio { 40 compatible = "gpio-leds"; 41 led-0 { 42 label = "power_blue"; 43 gpios = <&fio_ioexp 4 GPIO_ACTIVE_HIGH>; 44 }; 45 led-1 { 46 label = "power_amber"; 47 gpios = <&fio_ioexp 5 GPIO_ACTIVE_LOW>; 48 }; 49 led-2 { 50 label = "id_blue"; 51 gpios = <&fio_ioexp 6 GPIO_ACTIVE_HIGH>; 52 }; 53 led-3 { 54 label = "id_amber"; 55 gpios = <&fio_ioexp 7 GPIO_ACTIVE_LOW>; 56 }; 57 }; 58 59 leds-smm { 60 compatible = "gpio-leds"; 61 led-0 { 62 label = "bmc_heartbeat_amber"; 63 gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>; 64 linux,default-trigger = "heartbeat"; 65 }; 66 }; 67 68 memory@80000000 { 69 device_type = "memory"; 70 reg = <0x80000000 0x80000000>; 71 }; 72 73 spi2_gpio: spi { 74 compatible = "spi-gpio"; 75 #address-cells = <1>; 76 #size-cells = <0>; 77 78 sck-gpios = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>; 79 mosi-gpios = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>; 80 miso-gpios = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>; 81 cs-gpios = <&gpio0 ASPEED_GPIO(X, 2) GPIO_ACTIVE_LOW>; 82 num-chipselects = <1>; 83 84 tpm@0 { 85 compatible = "infineon,slb9670", "tcg,tpm_tis-spi"; 86 spi-max-frequency = <33000000>; 87 reg = <0>; 88 }; 89 }; 90 91 standby_power_regulator: standby-power-regulator { 92 compatible = "regulator-fixed"; 93 gpio = <&gpio0 ASPEED_GPIO(M, 3) GPIO_ACTIVE_HIGH>; 94 regulator-min-microvolt = <1800000>; 95 regulator-max-microvolt = <1800000>; 96 regulator-name = "standby_power"; 97 enable-active-high; 98 regulator-always-on; 99 regulator-boot-on; 100 101 status = "okay"; 102 }; 103}; 104 105&adc0 { 106 pinctrl-names = "default"; 107 pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default 108 &pinctrl_adc2_default &pinctrl_adc3_default 109 &pinctrl_adc4_default &pinctrl_adc5_default 110 &pinctrl_adc6_default>; 111 aspeed,int-vref-microvolt = <2500000>; 112 113 status = "okay"; 114}; 115 116&fmc { 117 status = "okay"; 118 119 flash@0 { 120 label = "bmc"; 121 spi-max-frequency = <50000000>; 122 m25p,fast-read; 123 124 status = "okay"; 125#include "openbmc-flash-layout-128.dtsi" 126 }; 127 128 flash@1 { 129 label = "alt-bmc"; 130 spi-max-frequency = <50000000>; 131 m25p,fast-read; 132 133 status = "okay"; 134#include "openbmc-flash-layout-128-alt.dtsi" 135 }; 136}; 137 138&gpio0 { 139 pinctrl-names = "default"; 140 pinctrl-0 = <&pinctrl_gpiom4_unbiased_default 141 &pinctrl_gpiom5_unbiased_default 142 &pinctrl_gpiov4_unbiased_default 143 &pinctrl_gpiov7_unbiased_default>; 144 145 gpio-line-names = 146 /*A0-A7*/ "", "", "", "", "", "", "", "", 147 /*B0-B7*/ "", "", "", "", "", "", "", "", 148 /*C0-C7*/ "", "", "", "", "", "", "", "", 149 /*D0-D7*/ "", "", "", "", "", "FPGA_PEX_RST_L", "", "", 150 /*E0-E7*/ "RTL8221_PHY_RST_L-O", "RTL8211_PHY_INT_L-I", "", "", 151 "", "", "", "MUX_SGPIO_SEL-O", 152 /*F0-F7*/ "", "", "", "", "", "", "", "", 153 /*G0-G7*/ "", "", "", "", "", "", "", "", 154 /*H0-H7*/ "", "", "", "", "", "", "", "", 155 /*I0-I7*/ "", "", "", "", 156 "", "QSPI2_RST_L-O", 157 "GLOBAL_WP_BMC-I", "BMC_DDR4_TEN-O", 158 /*J0-J7*/ "", "", "", "", "", "", "", "", 159 /*K0-K7*/ "", "", "", "", "", "", "", "", 160 /*L0-L7*/ "", "", "", "", "", "", "", "", 161 /*M0-M7*/ "USB_HUB_RST_N-O", "BMC_FRU_WP-O", 162 "", "HMC_STBY_POWER_EN-O", 163 "STBY_POWER_PG-I", "PCIE_EP_RST_L-O", "", "", 164 /*N0-N7*/ "", "", "", "", "", "", "", "", 165 /*O0-O7*/ "", "", "", "", "", "", "", "", 166 /*P0-P7*/ "", "", "", "", "", "", "", "", 167 /*Q0-Q7*/ "", "", "", "", "", "", "", "", 168 /*R0-R7*/ "", "SP0_AP_INTR_N-I", "", "", "", "", "", "", 169 /*S0-S7*/ "", "", "", "", "", "", "", "", 170 /*T0-T7*/ "", "", "", "", "", "", "", "", 171 /*U0-U7*/ "", "", "", "", "", "", "", "", 172 /*V0-V7*/ "", "", "", "", "PCB_TEMP_ALERT-I", "", "", "", 173 /*W0-W7*/ "", "", "", "", "", "", "", "CPU_RST_L-I", 174 /*X0-X7*/ "", "", "", "", "", "", "", "", 175 /*Y0-Y7*/ "", "", "", "EMMC_RST-O", "", "", "", "", 176 /*Z0-Z7*/ "HMC_EROT_SPI_INT_L-I", "", "", "", "", "", "", ""; 177}; 178 179&gpio1 { 180 /* 36 1.8V GPIOs */ 181 gpio-line-names = 182 /*A0-A7*/ "", "", "", "", "", "", "", "", 183 /*B0-B7*/ "", "", "", "", 184 "AP_EROT_REQ-O", "EROT_AP_GNT-I", 185 "IO_EXPANDER_INT_L-I", "", 186 /*C0-C7*/ "", "", "", "", "", "", "", "", 187 /*D0-D7*/ "", "", "", "", "", "", "", "I2C_SSIF_ALERT_L-I", 188 /*E0-E7*/ "", "", "", "", "", "", "", ""; 189}; 190 191&i2c0 { 192 status = "okay"; 193 194 ssif-bmc@10 { 195 compatible = "ssif-bmc"; 196 reg = <0x10>; 197 }; 198}; 199 200&i2c1 { 201 status = "okay"; 202}; 203 204&i2c2 { 205 status = "okay"; 206 207 hpm0_ioexp_20: gpio@20 { 208 compatible = "nxp,pca9555"; 209 reg = <0x20>; 210 gpio-controller; 211 #gpio-cells = <2>; 212 interrupt-parent = <&gpio1>; 213 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 214 vcc-supply = <&standby_power_regulator>; 215 216 gpio-line-names = 217 "B0_M0_SHDN_FORCE_L-O", 218 "B0_M0_STBY_POWER_PG-I", 219 "B0_M0_THERM_OVERT_L-I", 220 "B0_M0_THERM_WARN_L-I", 221 "B0_M0_GLOBAL_WP-O", 222 "B0_M0_USB_HUB0_RST_L-O", 223 "B0_M0_PRE_SYS_RST_L-O", 224 "B0_M0_LEAK_DETECT_ALERT_L-I", 225 "B0_M0_RUN_POWER_EN-O", 226 "B0_M0_RUN_POWER_PG-I", 227 "B0_M0_CPU_CHIPTHROT_L-I", 228 "B0_M0_SHDN_REQ_L-O", 229 "B0_M0_CPU_SHDN_OK_L-I", 230 "B0_M0_CPLD_READY-I", 231 "B0_M0_PWR_BRAKE_L-O", 232 "B0_M0_PWR_BRAKE_STATUS_L-I"; 233 }; 234 235 hpm0_ioexp_21: gpio@21 { 236 compatible = "nxp,pca9555"; 237 reg = <0x21>; 238 gpio-controller; 239 #gpio-cells = <2>; 240 interrupt-parent = <&gpio1>; 241 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 242 vcc-supply = <&standby_power_regulator>; 243 244 gpio-line-names = 245 "B0_M0_I2C_BUS_MUX_RESET_L-O", 246 "B0_M0_HPM_MCU_OK-I", 247 "B0_M0_CPU_L0_RST_IND_L-O", 248 "B0_M0_C0_SOCAMM_DAC_SEL0-O", 249 "B0_M0_C1_SOCAMM_DAC_SEL1-O", 250 "B0_M0_C0_SOCAMM_I2C_SEL_R-O", 251 "B0_M0_C1_SOCAMM_I2C_SEL_R-O", 252 "B0_M0_EEPROM_POWER_DISABLE-O", 253 "B0_M0_L0L1_RST_L-I", 254 "B0_M0_L2_RST_L-I", 255 "B0_M0_BRD_ID_0-I", 256 "B0_M0_BRD_ID_1-I", 257 "B0_M0_BMC_LEAK_TEST_L-O", 258 "B0_M0_MCU_BMC_ALERT_L-I", 259 "B0_M0_CPU_BOOT_COMPLETE_3V3-I", 260 "B0_M0_BMC_TO_GPU_MCU_I2C_EN-O"; 261 }; 262}; 263 264&i2c3 { 265 status = "okay"; 266}; 267 268&i2c4 { 269 status = "okay"; 270}; 271 272&i2c5 { 273 status = "okay"; 274 275 smm_ioexp_20: gpio@20 { 276 compatible = "nxp,pca9555"; 277 reg = <0x20>; 278 gpio-controller; 279 #gpio-cells = <2>; 280 interrupt-parent = <&gpio1>; 281 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 282 283 gpio-line-names = 284 "HMC_RST_R_L-O", "HMC_RECOVERY_R-O", 285 "HMC_SPI_MUX_R_SEL-O", "GLOBAL_WP-O", 286 "HMC_READY-I", "HMC_PRSNT_R-I", 287 "BMC_SELF_PWR_CYCLE-O", "EEDO_LED2-O", 288 "PWR_LED_L-O", "PWR_BTN_L-I", 289 "UID_LED_L-O", "UID_BTN_L-I", 290 "FAULT_LED_L-O", "USB2_HUB_RST_L-O", 291 "USB2_BMC_HUB2_RST_L-O", "WARN_LED_L-O"; 292 }; 293 294 smm_ioexp_21: gpio@21 { 295 compatible = "nxp,pca9555"; 296 reg = <0x21>; 297 gpio-controller; 298 #gpio-cells = <2>; 299 interrupt-parent = <&gpio1>; 300 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 301 302 gpio-line-names = 303 "BMC_HMC_MUX_SEL-O", "BMC_TPM_MUX_SEL-O", 304 "BMC_USB2_MUX_SEL-O", "HMC_PGOOD_3V3-I", 305 "", "HDR_SPI_PRSNT_L-I", 306 "SW_NRESET_R_L-O", "MUX_I2C_ESPI_SEL-O", 307 "I2C_BUS_MUX_RESET_L-O", "USB_MUX_EN-O", 308 "PDB_TRAY_RST-O", "USB_PWR_EN-O", 309 "RTC_CLR_L-O", "I2C_RTC_ALERT_L-I", 310 "X86_TPM_RST_SEL_L-O", "BMC_MUX_PI3DP_SEL-O"; 311 }; 312 313 smm_temp: temperature-sensor@48 { 314 compatible = "national,lm75"; 315 reg = <0x48>; 316 }; 317 318 smm_fru: eeprom@50 { 319 compatible = "atmel,24c128"; 320 reg = <0x50>; 321 }; 322 323 rtc@6f { 324 compatible = "nuvoton,nct3018y"; 325 reg = <0x6f>; 326 }; 327}; 328 329&i2c6 { 330 status = "okay"; 331 332 hmc_ioexp: gpio@20 { 333 compatible = "ti,tca6408"; 334 reg = <0x20>; 335 gpio-controller; 336 #gpio-cells = <2>; 337 interrupt-parent = <&gpio1>; 338 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 339 340 gpio-line-names = 341 "", "", "HMC_EROT_FATAL_ERROR_L-I", "", 342 "", "HMC_EROT_RECOVERY_L-O", "HMC_EROT_RESET_L-O", ""; 343 }; 344 345 i2c-mux@70 { 346 compatible = "nxp,pca9546"; 347 #address-cells = <1>; 348 #size-cells = <0>; 349 reg = <0x70>; 350 i2c-mux-idle-disconnect; 351 352 imux16: i2c@0 { 353 #address-cells = <1>; 354 #size-cells = <0>; 355 reg = <0>; 356 }; 357 358 imux17: i2c@1 { 359 #address-cells = <1>; 360 #size-cells = <0>; 361 reg = <1>; 362 }; 363 364 imux18: i2c@2 { 365 #address-cells = <1>; 366 #size-cells = <0>; 367 reg = <2>; 368 }; 369 370 imux19: i2c@3 { 371 #address-cells = <1>; 372 #size-cells = <0>; 373 reg = <3>; 374 }; 375 }; 376}; 377 378&i2c7 { 379 status = "okay"; 380 381 hpm1_ioexp_20: gpio@20 { 382 compatible = "nxp,pca9555"; 383 reg = <0x20>; 384 gpio-controller; 385 #gpio-cells = <2>; 386 interrupt-parent = <&gpio1>; 387 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 388 vcc-supply = <&standby_power_regulator>; 389 390 gpio-line-names = 391 "B1_M0_SHDN_FORCE_L-O", 392 "B1_M0_STBY_POWER_PG-I", 393 "B1_M0_THERM_OVERT_L-I", 394 "B1_M0_THERM_WARN_L-I", 395 "B1_M0_GLOBAL_WP-O", 396 "B1_M0_USB_HUB0_RST_L-O", 397 "B1_M0_PRE_SYS_RST_L-O", 398 "B1_M0_LEAK_DETECT_ALERT_L-I", 399 "B1_M0_RUN_POWER_EN-O", 400 "B1_M0_RUN_POWER_PG-I", 401 "B1_M0_CPU_CHIPTHROT_L-I", 402 "B1_M0_SHDN_REQ_L-O", 403 "B1_M0_CPU_SHDN_OK_L-I", 404 "B1_M0_CPLD_READY-I", 405 "B1_M0_PWR_BRAKE_L-O", 406 "B1_M0_PWR_BRAKE_STATUS_L-I"; 407 }; 408 409 hpm1_ioexp_21: gpio@21 { 410 compatible = "nxp,pca9555"; 411 reg = <0x21>; 412 gpio-controller; 413 #gpio-cells = <2>; 414 interrupt-parent = <&gpio1>; 415 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 416 vcc-supply = <&standby_power_regulator>; 417 418 gpio-line-names = 419 "B1_M0_I2C_BUS_MUX_RESET_L-O", 420 "B1_M0_HPM_MCU_OK-I", 421 "B1_M0_CPU_L0_RST_IND_L-O", 422 "B1_M0_C0_SOCAMM_DAC_SEL0-O", 423 "B1_M0_C1_SOCAMM_DAC_SEL1-O", 424 "B1_M0_C0_SOCAMM_I2C_SEL_R-O", 425 "B1_M0_C1_SOCAMM_I2C_SEL_R-O", 426 "B1_M0_EEPROM_POWER_DISABLE-O", 427 "B1_M0_L0L1_RST_L-I", 428 "B1_M0_L2_RST_L-I", 429 "B1_M0_BRD_ID_0-I", 430 "B1_M0_BRD_ID_1-I", 431 "B1_M0_BMC_LEAK_TEST_L-O", 432 "B1_M0_MCU_BMC_ALERT_L-I", 433 "B1_M0_CPU_BOOT_COMPLETE_3V3-I", 434 "B1_M0_BMC_TO_GPU_MCU_I2C_EN-O"; 435 }; 436}; 437 438&i2c8 { 439 status = "okay"; 440}; 441 442&i2c9 { 443 status = "okay"; 444 445 pdb_mps_hsc1: power-monitor@10 { 446 compatible = "mps,mp5926"; 447 reg = <0x10>; 448 }; 449 450 pdb_ti_hsc1: power-monitor@11 { 451 compatible = "ti,lm5066i"; 452 reg = <0x11>; 453 shunt-resistor-micro-ohms = <1000>; 454 }; 455 456 pdb_mps_hsc2: power-monitor@12 { 457 compatible = "mps,mp5926"; 458 reg = <0x12>; 459 }; 460 461 pdb_ti_hsc2: power-monitor@13 { 462 compatible = "ti,lm5066i"; 463 reg = <0x13>; 464 shunt-resistor-micro-ohms = <321>; 465 }; 466 467 pdb_mps_hsc3: power-monitor@14 { 468 compatible = "mps,mp5926"; 469 reg = <0x14>; 470 }; 471 472 pdb_ti_hsc3: power-monitor@15 { 473 compatible = "ti,lm5066i"; 474 reg = <0x15>; 475 shunt-resistor-micro-ohms = <321>; 476 }; 477 478 pdb_mps_hsc4: power-monitor@16 { 479 compatible = "mps,mp5926"; 480 reg = <0x16>; 481 }; 482 483 pdb_ti_hsc4: power-monitor@17 { 484 compatible = "ti,lm5066i"; 485 reg = <0x17>; 486 shunt-resistor-micro-ohms = <500>; 487 }; 488 489 pdb_ioexp_20: gpio@20 { 490 compatible = "nxp,pca9555"; 491 reg = <0x20>; 492 gpio-controller; 493 #gpio-cells = <2>; 494 interrupt-parent = <&gpio1>; 495 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 496 497 gpio-line-names = 498 "PDB_STRAP-I", "STBY_POWER_EN-O", "STBY_PWR_OK-I", "", 499 "", "MAIN_PWR_EN-O", "MAIN_PWR_OK-I", "GLOBAL_WP-O", 500 "PDB_PWR_BRK_L-I", "FAN_PRSNT-I", "", "", 501 "HSC4_S5_OR_S0_N-O", "", "", ""; 502 }; 503 504 pdb_temp: temperature-sensor@4e { 505 compatible = "national,lm75"; 506 reg = <0x4e>; 507 }; 508 509 pdb_fru: eeprom@50 { 510 compatible = "atmel,24c128"; 511 reg = <0x50>; 512 }; 513}; 514 515&i2c10 { 516 status = "okay"; 517 518 scm_temp: temperature-sensor@48 { 519 compatible = "national,lm75"; 520 reg = <0x48>; 521 }; 522 523 scm_fru: eeprom@50 { 524 compatible = "atmel,24c128"; 525 reg = <0x50>; 526 }; 527}; 528 529&i2c11 { 530 status = "okay"; 531 532 sw_config: eeprom@50 { 533 compatible = "atmel,24c64"; 534 reg = <0x50>; 535 }; 536}; 537 538&i2c12 { 539 status = "okay"; 540}; 541 542&i2c13 { 543 status = "okay"; 544 mctp-controller; 545 multi-master; 546 547 mctp@10 { 548 compatible = "mctp-i2c-controller"; 549 reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; 550 }; 551 552 smm_ext_ioexp: gpio@38 { 553 compatible = "nxp,pca9554"; 554 reg = <0x38>; 555 gpio-controller; 556 #gpio-cells = <2>; 557 interrupt-parent = <&gpio1>; 558 interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>; 559 560 gpio-line-names = 561 "SSD0_PRSNT_L-I", "E1S_PWR_EN-O", 562 "SSD0_PWRDIS-O", "I2C_PDB_ALERT_L-I", 563 "BMC_SSD0_RST_L-O", "GLOBAL_WP_E1S-O", 564 "12V_SSD0_PGD-I", "SSD0_LED-O"; 565 }; 566 567 smm_ext_fru: eeprom@55 { 568 compatible = "atmel,24c128"; 569 reg = <0x55>; 570 }; 571}; 572 573&i2c14 { 574 status = "okay"; 575 576 fio_ioexp: gpio@20 { 577 compatible = "nxp,pca9555"; 578 reg = <0x20>; 579 gpio-controller; 580 #gpio-cells = <2>; 581 interrupt-parent = <&gpio0>; 582 interrupts = <ASPEED_GPIO(C, 6) IRQ_TYPE_LEVEL_LOW>; 583 584 gpio-line-names = 585 "", "", "", "", 586 "PWR_LED_BLUE", "PWR_LED_AMBER_R_N", 587 "BEEP_ID_LED_BLUE", "BEEP_ID_LED_AMBER_R_N", 588 "", "", "", "", 589 "FM_MAIN_PWREN_RMC_ISO_EN_N", "LEAK_DETECT_RMC_N", 590 "PWRGD_RMC_N", "SMALL_LEAK_RMC_N"; 591 592 pwrgd-rmc-hog { 593 gpio-hog; 594 gpios = <14 GPIO_ACTIVE_LOW>; 595 output-high; 596 }; 597 }; 598 599 fio_fru: eeprom@50 { 600 compatible = "atmel,24c64"; 601 reg = <0x50>; 602 }; 603}; 604 605&i2c15 { 606 status = "okay"; 607}; 608 609&mdio0 { 610 status = "okay"; 611 612 ethphy0: ethernet-phy@0 { 613 compatible = "ethernet-phy-ieee802.3-c22"; 614 reg = <0>; 615 }; 616}; 617 618&mac0 { 619 pinctrl-names = "default"; 620 phy-mode = "rgmii-id"; 621 phy-handle = <ðphy0>; 622 pinctrl-0 = <&pinctrl_rgmii1_default>; 623 624 status = "okay"; 625}; 626 627&pinctrl { 628 pinctrl_gpiom4_unbiased_default: gpiom4 { 629 pins = "B12"; 630 bias-disable; 631 }; 632 pinctrl_gpiom5_unbiased_default: gpiom5 { 633 pins = "C12"; 634 bias-disable; 635 }; 636 pinctrl_gpiov4_unbiased_default: gpiov4 { 637 pins = "AE15"; 638 bias-disable; 639 }; 640 pinctrl_gpiov7_unbiased_default: gpiov7 { 641 pins = "AF15"; 642 bias-disable; 643 }; 644}; 645 646&uart1 { 647 status = "okay"; 648}; 649 650&uart3 { 651 status = "okay"; 652}; 653 654&uart5 { 655 status = "okay"; 656}; 657 658&uart_routing { 659 status = "okay"; 660}; 661 662&wdt1 { 663 pinctrl-names = "default"; 664 pinctrl-0 = <&pinctrl_wdtrst1_default>; 665 aspeed,reset-type = "soc"; 666 aspeed,external-signal; 667 aspeed,ext-push-pull; 668 aspeed,ext-active-high; 669 aspeed,ext-pulse-duration = <256>; 670 671 status = "okay"; 672}; 673