1# SPDX-License-Identifier: GPL-2.0-only 2 3# 4# Watchdog device configuration 5# 6 7menuconfig WATCHDOG 8 bool "Watchdog Timer Support" 9 help 10 If you say Y here (and to one of the following options) and create a 11 character special file /dev/watchdog with major number 10 and minor 12 number 130 using mknod ("man mknod"), you will get a watchdog, i.e.: 13 subsequently opening the file and then failing to write to it for 14 longer than 1 minute will result in rebooting the machine. This 15 could be useful for a networked machine that needs to come back 16 on-line as fast as possible after a lock-up. There's both a watchdog 17 implementation entirely in software (which can sometimes fail to 18 reboot the machine) and a driver for hardware watchdog boards, which 19 are more robust and can also keep track of the temperature inside 20 your computer. For details, read 21 <file:Documentation/watchdog/watchdog-api.rst> in the kernel source. 22 23 The watchdog is usually used together with the watchdog daemon 24 which is available from 25 <https://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon 26 can also monitor NFS connections and can reboot the machine when the 27 process table is full. 28 29 If unsure, say N. 30 31if WATCHDOG 32 33config WATCHDOG_CORE 34 tristate "WatchDog Timer Driver Core" 35 help 36 Say Y here if you want to use the new watchdog timer driver core. 37 This driver provides a framework for all watchdog timer drivers 38 and gives them the /dev/watchdog interface (and later also the 39 sysfs interface). 40 41config WATCHDOG_NOWAYOUT 42 bool "Disable watchdog shutdown on close" 43 help 44 The default watchdog behaviour (which you get if you say N here) is 45 to stop the timer if the process managing it closes the file 46 /dev/watchdog. It's always remotely possible that this process might 47 get killed. If you say Y here, the watchdog cannot be stopped once 48 it has been started. 49 50config WATCHDOG_HANDLE_BOOT_ENABLED 51 bool "Update boot-enabled watchdog until userspace takes over" 52 default y 53 help 54 The default watchdog behaviour (which you get if you say Y here) is 55 to ping watchdog devices that were enabled before the driver has 56 been loaded until control is taken over from userspace using the 57 /dev/watchdog file. If you say N here, the kernel will not update 58 the watchdog on its own. Thus if your userspace does not start fast 59 enough your device will reboot. 60 61config WATCHDOG_OPEN_TIMEOUT 62 int "Timeout value for opening watchdog device" 63 default 0 64 help 65 The maximum time, in seconds, for which the watchdog framework takes 66 care of pinging a hardware watchdog. A value of 0 means infinite. The 67 value set here can be overridden by the commandline parameter 68 "watchdog.open_timeout". 69 70config WATCHDOG_SYSFS 71 bool "Read different watchdog information through sysfs" 72 help 73 Say Y here if you want to enable watchdog device status read through 74 sysfs attributes. 75 76config WATCHDOG_HRTIMER_PRETIMEOUT 77 bool "Enable watchdog hrtimer-based pretimeouts" 78 help 79 Enable this if you want to use a hrtimer timer based pretimeout for 80 watchdogs that do not natively support pretimeout support. Be aware 81 that because this pretimeout functionality uses hrtimers, it may not 82 be able to fire before the actual watchdog fires in some situations. 83 84comment "Watchdog Pretimeout Governors" 85 86config WATCHDOG_PRETIMEOUT_GOV 87 bool "Enable watchdog pretimeout governors" 88 depends on WATCHDOG_CORE 89 help 90 The option allows to select watchdog pretimeout governors. 91 92config WATCHDOG_PRETIMEOUT_GOV_SEL 93 tristate 94 depends on WATCHDOG_PRETIMEOUT_GOV 95 default m 96 select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n 97 98if WATCHDOG_PRETIMEOUT_GOV 99 100config WATCHDOG_PRETIMEOUT_GOV_NOOP 101 tristate "Noop watchdog pretimeout governor" 102 depends on WATCHDOG_CORE 103 default WATCHDOG_CORE 104 help 105 Noop watchdog pretimeout governor, only an informational 106 message is added to kernel log buffer. 107 108config WATCHDOG_PRETIMEOUT_GOV_PANIC 109 tristate "Panic watchdog pretimeout governor" 110 depends on WATCHDOG_CORE 111 default WATCHDOG_CORE 112 help 113 Panic watchdog pretimeout governor, on watchdog pretimeout 114 event put the kernel into panic. 115 116choice 117 prompt "Default Watchdog Pretimeout Governor" 118 default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 119 help 120 This option selects a default watchdog pretimeout governor. 121 The governor takes its action, if a watchdog is capable 122 to report a pretimeout event. 123 124config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP 125 bool "noop" 126 depends on WATCHDOG_PRETIMEOUT_GOV_NOOP 127 help 128 Use noop watchdog pretimeout governor by default. If noop 129 governor is selected by a user, write a short message to 130 the kernel log buffer and don't do any system changes. 131 132config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 133 bool "panic" 134 depends on WATCHDOG_PRETIMEOUT_GOV_PANIC 135 help 136 Use panic watchdog pretimeout governor by default, if 137 a watchdog pretimeout event happens, consider that 138 a watchdog feeder is dead and reboot is unavoidable. 139 140endchoice 141 142endif # WATCHDOG_PRETIMEOUT_GOV 143 144# 145# General Watchdog drivers 146# 147 148comment "Watchdog Device Drivers" 149 150# Architecture Independent 151 152config SOFT_WATCHDOG 153 tristate "Software watchdog" 154 select WATCHDOG_CORE 155 help 156 A software monitoring watchdog. This will fail to reboot your system 157 from some situations that the hardware watchdog will recover 158 from. Equally it's a lot cheaper to install. 159 160 To compile this driver as a module, choose M here: the 161 module will be called softdog. 162 163config SOFT_WATCHDOG_PRETIMEOUT 164 bool "Software watchdog pretimeout governor support" 165 depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV 166 help 167 Enable this if you want to use pretimeout governors with the software 168 watchdog. Be aware that governors might affect the watchdog because it 169 is purely software, e.g. the panic governor will stall it! 170 171config BD957XMUF_WATCHDOG 172 tristate "ROHM BD9576MUF and BD9573MUF PMIC Watchdog" 173 depends on MFD_ROHM_BD957XMUF 174 select WATCHDOG_CORE 175 help 176 Support for the watchdog in the ROHM BD9576 and BD9573 PMICs. 177 These PMIC ICs contain watchdog block which can be configured 178 to toggle reset line if SoC fails to ping watchdog via GPIO. 179 180 Say Y here to include support for the ROHM BD9576 or BD9573 181 watchdog. Alternatively say M to compile the driver as a module, 182 which will be called bd9576_wdt. 183 184config DA9052_WATCHDOG 185 tristate "Dialog DA9052 Watchdog" 186 depends on PMIC_DA9052 || COMPILE_TEST 187 select WATCHDOG_CORE 188 help 189 Support for the watchdog in the DA9052 PMIC. Watchdog trigger 190 cause system reset. 191 192 Say Y here to include support for the DA9052 watchdog. 193 Alternatively say M to compile the driver as a module, 194 which will be called da9052_wdt. 195 196config DA9055_WATCHDOG 197 tristate "Dialog Semiconductor DA9055 Watchdog" 198 depends on MFD_DA9055 || COMPILE_TEST 199 select WATCHDOG_CORE 200 help 201 If you say yes here you get support for watchdog on the Dialog 202 Semiconductor DA9055 PMIC. 203 204 This driver can also be built as a module. If so, the module 205 will be called da9055_wdt. 206 207config DA9063_WATCHDOG 208 tristate "Dialog DA9063 Watchdog" 209 depends on MFD_DA9063 || COMPILE_TEST 210 select WATCHDOG_CORE 211 help 212 Support for the watchdog in the DA9063 PMIC. 213 214 This driver can be built as a module. The module name is da9063_wdt. 215 216config DA9062_WATCHDOG 217 tristate "Dialog DA9062/61 Watchdog" 218 depends on MFD_DA9062 || COMPILE_TEST 219 depends on I2C 220 select WATCHDOG_CORE 221 help 222 Support for the watchdog in the DA9062 and DA9061 PMICs. 223 224 This driver can be built as a module. The module name is da9062_wdt. 225 226config GPIO_WATCHDOG 227 tristate "Watchdog device controlled through GPIO-line" 228 depends on OF_GPIO 229 select WATCHDOG_CORE 230 help 231 If you say yes here you get support for watchdog device 232 controlled through GPIO-line. 233 234config GPIO_WATCHDOG_ARCH_INITCALL 235 bool "Register the watchdog as early as possible" 236 depends on GPIO_WATCHDOG=y 237 help 238 In some situations, the default initcall level (module_init) 239 in not early enough in the boot process to avoid the watchdog 240 to be triggered. 241 If you say yes here, the initcall level would be raised to 242 arch_initcall. 243 If in doubt, say N. 244 245config MENF21BMC_WATCHDOG 246 tristate "MEN 14F021P00 BMC Watchdog" 247 depends on MFD_MENF21BMC || COMPILE_TEST 248 depends on I2C 249 select WATCHDOG_CORE 250 help 251 Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 252 253 This driver can also be built as a module. If so the module 254 will be called menf21bmc_wdt. 255 256config MENZ069_WATCHDOG 257 tristate "MEN 16Z069 Watchdog" 258 depends on MCB 259 select WATCHDOG_CORE 260 help 261 Say Y here to include support for the MEN 16Z069 Watchdog. 262 263 This driver can also be built as a module. If so the module 264 will be called menz069_wdt. 265 266config WDAT_WDT 267 tristate "ACPI Watchdog Action Table (WDAT)" 268 depends on ACPI 269 select WATCHDOG_CORE 270 select ACPI_WATCHDOG 271 help 272 This driver adds support for systems with ACPI Watchdog Action 273 Table (WDAT) table. Servers typically have this but it can be 274 found on some desktop machines as well. This driver will take 275 over the native iTCO watchdog driver found on many Intel CPUs. 276 277 To compile this driver as module, choose M here: the module will 278 be called wdat_wdt. 279 280config WM831X_WATCHDOG 281 tristate "WM831x watchdog" 282 depends on MFD_WM831X 283 select WATCHDOG_CORE 284 help 285 Support for the watchdog in the WM831x AudioPlus PMICs. When 286 the watchdog triggers the system will be reset. 287 288config WM8350_WATCHDOG 289 tristate "WM8350 watchdog" 290 depends on MFD_WM8350 291 select WATCHDOG_CORE 292 help 293 Support for the watchdog in the WM8350 AudioPlus PMIC. When 294 the watchdog triggers the system will be reset. 295 296config XILINX_WATCHDOG 297 tristate "Xilinx Watchdog timer" 298 depends on HAS_IOMEM 299 select WATCHDOG_CORE 300 help 301 Watchdog driver for the xps_timebase_wdt IP core. 302 303 To compile this driver as a module, choose M here: the 304 module will be called of_xilinx_wdt. 305 306config ZIIRAVE_WATCHDOG 307 tristate "Zodiac RAVE Watchdog Timer" 308 depends on I2C 309 select WATCHDOG_CORE 310 help 311 Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 312 Processor. 313 314 To compile this driver as a module, choose M here: the 315 module will be called ziirave_wdt. 316 317config RAVE_SP_WATCHDOG 318 tristate "RAVE SP Watchdog timer" 319 depends on RAVE_SP_CORE 320 depends on NVMEM || !NVMEM 321 select WATCHDOG_CORE 322 help 323 Support for the watchdog on RAVE SP device. 324 325config MLX_WDT 326 tristate "Mellanox Watchdog" 327 depends on MELLANOX_PLATFORM 328 select WATCHDOG_CORE 329 select REGMAP 330 help 331 This is the driver for the hardware watchdog on Mellanox systems. 332 If you are going to use it, say Y here, otherwise N. 333 This driver can be used together with the watchdog daemon. 334 It can also watch your kernel to make sure it doesn't freeze, 335 and if it does, it reboots your system after a certain amount of 336 time. 337 338 To compile this driver as a module, choose M here: the 339 module will be called mlx-wdt. 340 341config SL28CPLD_WATCHDOG 342 tristate "Kontron sl28cpld Watchdog" 343 depends on MFD_SL28CPLD || COMPILE_TEST 344 select WATCHDOG_CORE 345 help 346 Say Y here to include support for the watchdog timer 347 on the Kontron sl28 CPLD. 348 349 To compile this driver as a module, choose M here: the 350 module will be called sl28cpld_wdt. 351 352# ALPHA Architecture 353 354# ARM Architecture 355 356config ARM_SP805_WATCHDOG 357 tristate "ARM SP805 Watchdog" 358 depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 359 select WATCHDOG_CORE 360 help 361 ARM Primecell SP805 Watchdog timer. This will reboot your system when 362 the timeout is reached. 363 364config ARM_SBSA_WATCHDOG 365 tristate "ARM SBSA Generic Watchdog" 366 depends on ARM64 367 depends on ARM_ARCH_TIMER 368 select WATCHDOG_CORE 369 help 370 ARM SBSA Generic Watchdog has two stage timeouts: 371 the first signal (WS0) is for alerting the system by interrupt, 372 the second one (WS1) is a real hardware reset. 373 More details: ARM DEN0029B - Server Base System Architecture (SBSA) 374 375 This driver can operate ARM SBSA Generic Watchdog as a single stage 376 or a two stages watchdog, it depends on the module parameter "action". 377 378 Note: the maximum timeout in the two stages mode is half of that in 379 the single stage mode. 380 381 To compile this driver as module, choose M here: The module 382 will be called sbsa_gwdt. 383 384config ARMADA_37XX_WATCHDOG 385 tristate "Armada 37xx watchdog" 386 depends on ARCH_MVEBU || COMPILE_TEST 387 depends on HAS_IOMEM 388 select MFD_SYSCON 389 select WATCHDOG_CORE 390 help 391 Say Y here to include support for the watchdog timer found on 392 Marvell Armada 37xx SoCs. 393 To compile this driver as a module, choose M here: the 394 module will be called armada_37xx_wdt. 395 396config ASM9260_WATCHDOG 397 tristate "Alphascale ASM9260 watchdog" 398 depends on MACH_ASM9260 || COMPILE_TEST 399 depends on OF 400 select WATCHDOG_CORE 401 select RESET_CONTROLLER 402 help 403 Watchdog timer embedded into Alphascale asm9260 chips. This will 404 reboot your system when the timeout is reached. 405 406config AT91RM9200_WATCHDOG 407 tristate "AT91RM9200 watchdog" 408 depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 409 help 410 Watchdog timer embedded into AT91RM9200 chips. This will reboot your 411 system when the timeout is reached. 412 413config AT91SAM9X_WATCHDOG 414 tristate "AT91SAM9X / AT91CAP9 watchdog" 415 depends on ARCH_AT91 || COMPILE_TEST 416 select WATCHDOG_CORE 417 help 418 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 419 reboot your system when the timeout is reached. 420 421config SAMA5D4_WATCHDOG 422 tristate "Atmel SAMA5D4 Watchdog Timer" 423 depends on ARCH_AT91 || COMPILE_TEST 424 select WATCHDOG_CORE 425 help 426 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 427 Its Watchdog Timer Mode Register can be written more than once. 428 This will reboot your system when the timeout is reached. 429 430config CADENCE_WATCHDOG 431 tristate "Cadence Watchdog Timer" 432 depends on HAS_IOMEM 433 select WATCHDOG_CORE 434 help 435 Say Y here if you want to include support for the watchdog 436 timer in the Xilinx Zynq. 437 438config 21285_WATCHDOG 439 tristate "DC21285 watchdog" 440 depends on FOOTBRIDGE 441 help 442 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 443 here if you wish to use this. Alternatively say M to compile the 444 driver as a module, which will be called wdt285. 445 446 This driver does not work on all machines. In particular, early CATS 447 boards have hardware problems that will cause the machine to simply 448 lock up if the watchdog fires. 449 450 "If in doubt, leave it out" - say N. 451 452config 977_WATCHDOG 453 tristate "NetWinder WB83C977 watchdog" 454 depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 455 help 456 Say Y here to include support for the WB977 watchdog included in 457 NetWinder machines. Alternatively say M to compile the driver as 458 a module, which will be called wdt977. 459 460 Not sure? It's safe to say N. 461 462config FTWDT010_WATCHDOG 463 tristate "Faraday Technology FTWDT010 watchdog" 464 depends on ARM || COMPILE_TEST 465 select WATCHDOG_CORE 466 default ARCH_GEMINI 467 help 468 Say Y here if to include support for the Faraday Technology 469 FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 470 family of devices. 471 472 To compile this driver as a module, choose M here: the 473 module will be called ftwdt010_wdt. 474 475config IXP4XX_WATCHDOG 476 tristate "IXP4xx Watchdog" 477 depends on ARCH_IXP4XX 478 select WATCHDOG_CORE 479 help 480 Say Y here if to include support for the watchdog timer 481 in the Intel IXP4xx network processors. This driver can 482 be built as a module by choosing M. The module will 483 be called ixp4xx_wdt. 484 485 Note: The internal IXP4xx watchdog does a soft CPU reset 486 which doesn't reset any peripherals. There are circumstances 487 where the watchdog will fail to reset the board correctly 488 (e.g., if the boot ROM is in an unreadable state). 489 490 Say N if you are unsure. 491 492config S3C2410_WATCHDOG 493 tristate "S3C2410 Watchdog" 494 depends on ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || \ 495 COMPILE_TEST 496 select WATCHDOG_CORE 497 select MFD_SYSCON if ARCH_EXYNOS 498 help 499 Watchdog timer block in the Samsung SoCs. This will reboot 500 the system when the timer expires with the watchdog enabled. 501 502 The driver is limited by the speed of the system's PCLK 503 signal, so with reasonably fast systems (PCLK around 50-66MHz) 504 then watchdog intervals of over approximately 20seconds are 505 unavailable. 506 507 The driver can be built as a module by choosing M, and will 508 be called s3c2410_wdt 509 510config SA1100_WATCHDOG 511 tristate "SA1100/PXA2xx watchdog" 512 depends on ARCH_SA1100 || ARCH_PXA 513 help 514 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 515 reboot your system when timeout is reached. 516 517 NOTE: once enabled, this timer cannot be disabled. 518 519 To compile this driver as a module, choose M here: the 520 module will be called sa1100_wdt. 521 522config DW_WATCHDOG 523 tristate "Synopsys DesignWare watchdog" 524 depends on HAS_IOMEM 525 select WATCHDOG_CORE 526 help 527 Say Y here if to include support for the Synopsys DesignWare 528 watchdog timer found in many chips. 529 To compile this driver as a module, choose M here: the 530 module will be called dw_wdt. 531 532config EP93XX_WATCHDOG 533 tristate "EP93xx Watchdog" 534 depends on ARCH_EP93XX || COMPILE_TEST 535 select WATCHDOG_CORE 536 help 537 Say Y here if to include support for the watchdog timer 538 embedded in the Cirrus Logic EP93xx family of devices. 539 540 To compile this driver as a module, choose M here: the 541 module will be called ep93xx_wdt. 542 543config OMAP_WATCHDOG 544 tristate "OMAP Watchdog" 545 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 546 select WATCHDOG_CORE 547 help 548 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 549 Say 'Y' here to enable the 550 OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 551 552config PNX4008_WATCHDOG 553 tristate "LPC32XX Watchdog" 554 depends on ARCH_LPC32XX || COMPILE_TEST 555 select WATCHDOG_CORE 556 help 557 Say Y here if to include support for the watchdog timer 558 in the LPC32XX processor. 559 This driver can be built as a module by choosing M. The module 560 will be called pnx4008_wdt. 561 562 Say N if you are unsure. 563 564config IOP_WATCHDOG 565 tristate "IOP Watchdog" 566 depends on ARCH_IOP13XX 567 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X) 568 help 569 Say Y here if to include support for the watchdog timer 570 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can 571 be built as a module by choosing M. The module will 572 be called iop_wdt. 573 574 Note: The IOP13XX watchdog does an Internal Bus Reset which will 575 affect both cores and the peripherals of the IOP. The ATU-X 576 and/or ATUe configuration registers will remain intact, but if 577 operating as an Root Complex and/or Central Resource, the PCI-X 578 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER. 579 580config DAVINCI_WATCHDOG 581 tristate "DaVinci watchdog" 582 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 583 select WATCHDOG_CORE 584 help 585 Say Y here if to include support for the watchdog timer 586 in the DaVinci DM644x/DM646x or Keystone processors. 587 To compile this driver as a module, choose M here: the 588 module will be called davinci_wdt. 589 590 NOTE: once enabled, this timer cannot be disabled. 591 Say N if you are unsure. 592 593config K3_RTI_WATCHDOG 594 tristate "Texas Instruments K3 RTI watchdog" 595 depends on ARCH_K3 || COMPILE_TEST 596 select WATCHDOG_CORE 597 help 598 Say Y here if you want to include support for the K3 watchdog 599 timer (RTI module) available in the K3 generation of processors. 600 601config ORION_WATCHDOG 602 tristate "Orion watchdog" 603 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 604 depends on ARM 605 select WATCHDOG_CORE 606 help 607 Say Y here if to include support for the watchdog timer 608 in the Marvell Orion5x and Kirkwood ARM SoCs. 609 To compile this driver as a module, choose M here: the 610 module will be called orion_wdt. 611 612config RN5T618_WATCHDOG 613 tristate "Ricoh RN5T618 watchdog" 614 depends on MFD_RN5T618 || COMPILE_TEST 615 select WATCHDOG_CORE 616 help 617 If you say yes here you get support for watchdog on the Ricoh 618 RN5T618 PMIC. 619 620 This driver can also be built as a module. If so, the module 621 will be called rn5t618_wdt. 622 623config SUNXI_WATCHDOG 624 tristate "Allwinner SoCs watchdog support" 625 depends on ARCH_SUNXI || COMPILE_TEST 626 select WATCHDOG_CORE 627 help 628 Say Y here to include support for the watchdog timer 629 in Allwinner SoCs. 630 To compile this driver as a module, choose M here: the 631 module will be called sunxi_wdt. 632 633config NPCM7XX_WATCHDOG 634 tristate "Nuvoton NPCM750 watchdog" 635 depends on ARCH_NPCM || COMPILE_TEST 636 default y if ARCH_NPCM7XX 637 select WATCHDOG_CORE 638 help 639 Say Y here to include Watchdog timer support for the 640 watchdog embedded into the NPCM7xx. 641 This watchdog is used to reset the system and thus cannot be 642 compiled as a module. 643 644config TWL4030_WATCHDOG 645 tristate "TWL4030 Watchdog" 646 depends on TWL4030_CORE 647 select WATCHDOG_CORE 648 help 649 Support for TI TWL4030 watchdog. Say 'Y' here to enable the 650 watchdog timer support for TWL4030 chips. 651 652config STMP3XXX_RTC_WATCHDOG 653 tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 654 depends on RTC_DRV_STMP || COMPILE_TEST 655 select WATCHDOG_CORE 656 help 657 Say Y here to include support for the watchdog timer inside 658 the RTC for the STMP37XX/378X or i.MX23/28 SoC. 659 To compile this driver as a module, choose M here: the 660 module will be called stmp3xxx_rtc_wdt. 661 662config TS4800_WATCHDOG 663 tristate "TS-4800 Watchdog" 664 depends on HAS_IOMEM && OF 665 depends on SOC_IMX51 || COMPILE_TEST 666 select WATCHDOG_CORE 667 select MFD_SYSCON 668 help 669 Technologic Systems TS-4800 has watchdog timer implemented in 670 an external FPGA. Say Y here if you want to support for the 671 watchdog timer on TS-4800 board. 672 673config TS72XX_WATCHDOG 674 tristate "TS-72XX SBC Watchdog" 675 depends on MACH_TS72XX || COMPILE_TEST 676 select WATCHDOG_CORE 677 help 678 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 679 watchdog timer implemented in a external CPLD chip. Say Y here 680 if you want to support for the watchdog timer on TS-72XX boards. 681 682 To compile this driver as a module, choose M here: the 683 module will be called ts72xx_wdt. 684 685config MAX63XX_WATCHDOG 686 tristate "Max63xx watchdog" 687 depends on HAS_IOMEM 688 select WATCHDOG_CORE 689 help 690 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 691 692config MAX77620_WATCHDOG 693 tristate "Maxim Max77620 Watchdog Timer" 694 depends on MFD_MAX77620 || COMPILE_TEST 695 select WATCHDOG_CORE 696 help 697 This is the driver for the Max77620 watchdog timer. 698 Say 'Y' here to enable the watchdog timer support for 699 MAX77620 chips. To compile this driver as a module, 700 choose M here: the module will be called max77620_wdt. 701 702config IMX2_WDT 703 tristate "IMX2+ Watchdog" 704 depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 705 select REGMAP_MMIO 706 select WATCHDOG_CORE 707 help 708 This is the driver for the hardware watchdog 709 on the Freescale IMX2 and later processors. 710 If you have one of these processors and wish to have 711 watchdog support enabled, say Y, otherwise say N. 712 713 To compile this driver as a module, choose M here: the 714 module will be called imx2_wdt. 715 716config IMX_SC_WDT 717 tristate "IMX SC Watchdog" 718 depends on HAVE_ARM_SMCCC 719 depends on IMX_SCU 720 select WATCHDOG_CORE 721 help 722 This is the driver for the system controller watchdog 723 on the NXP i.MX SoCs with system controller inside, the 724 watchdog driver will call ARM SMC API and trap into 725 ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 726 will request system controller to execute the operations. 727 If you have one of these processors and wish to have 728 watchdog support enabled, say Y, otherwise say N. 729 730 To compile this driver as a module, choose M here: the 731 module will be called imx_sc_wdt. 732 733config IMX7ULP_WDT 734 tristate "IMX7ULP Watchdog" 735 depends on ARCH_MXC || COMPILE_TEST 736 select WATCHDOG_CORE 737 help 738 This is the driver for the hardware watchdog on the Freescale 739 IMX7ULP and later processors. If you have one of these 740 processors and wish to have watchdog support enabled, 741 say Y, otherwise say N. 742 743 To compile this driver as a module, choose M here: the 744 module will be called imx7ulp_wdt. 745 746config UX500_WATCHDOG 747 tristate "ST-Ericsson Ux500 watchdog" 748 depends on MFD_DB8500_PRCMU 749 select WATCHDOG_CORE 750 default y 751 help 752 Say Y here to include Watchdog timer support for the watchdog 753 existing in the prcmu of ST-Ericsson Ux500 series platforms. 754 755 To compile this driver as a module, choose M here: the 756 module will be called ux500_wdt. 757 758config RETU_WATCHDOG 759 tristate "Retu watchdog" 760 depends on MFD_RETU 761 select WATCHDOG_CORE 762 help 763 Retu watchdog driver for Nokia Internet Tablets (770, N800, 764 N810). At least on N800 the watchdog cannot be disabled, so 765 this driver is essential and you should enable it. 766 767 To compile this driver as a module, choose M here: the 768 module will be called retu_wdt. 769 770config MOXART_WDT 771 tristate "MOXART watchdog" 772 depends on ARCH_MOXART || COMPILE_TEST 773 help 774 Say Y here to include Watchdog timer support for the watchdog 775 existing on the MOXA ART SoC series platforms. 776 777 To compile this driver as a module, choose M here: the 778 module will be called moxart_wdt. 779 780config ST_LPC_WATCHDOG 781 tristate "STMicroelectronics LPC Watchdog" 782 depends on ARCH_STI || COMPILE_TEST 783 depends on OF 784 select WATCHDOG_CORE 785 help 786 Say Y here to include STMicroelectronics Low Power Controller 787 (LPC) based Watchdog timer support. 788 789 To compile this driver as a module, choose M here: the 790 module will be called st_lpc_wdt. 791 792config TEGRA_WATCHDOG 793 tristate "Tegra watchdog" 794 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 795 select WATCHDOG_CORE 796 help 797 Say Y here to include support for the watchdog timer 798 embedded in NVIDIA Tegra SoCs. 799 800 To compile this driver as a module, choose M here: the 801 module will be called tegra_wdt. 802 803config QCOM_WDT 804 tristate "QCOM watchdog" 805 depends on HAS_IOMEM 806 depends on ARCH_QCOM || COMPILE_TEST 807 select WATCHDOG_CORE 808 help 809 Say Y here to include Watchdog timer support for the watchdog found 810 on QCOM chipsets. Currently supported targets are the MSM8960, 811 APQ8064, and IPQ8064. 812 813 To compile this driver as a module, choose M here: the 814 module will be called qcom_wdt. 815 816config MESON_GXBB_WATCHDOG 817 tristate "Amlogic Meson GXBB SoCs watchdog support" 818 depends on ARCH_MESON || COMPILE_TEST 819 select WATCHDOG_CORE 820 help 821 Say Y here to include support for the watchdog timer 822 in Amlogic Meson GXBB SoCs. 823 To compile this driver as a module, choose M here: the 824 module will be called meson_gxbb_wdt. 825 826config MESON_WATCHDOG 827 tristate "Amlogic Meson SoCs watchdog support" 828 depends on ARCH_MESON || COMPILE_TEST 829 select WATCHDOG_CORE 830 help 831 Say Y here to include support for the watchdog timer 832 in Amlogic Meson SoCs. 833 To compile this driver as a module, choose M here: the 834 module will be called meson_wdt. 835 836config MEDIATEK_WATCHDOG 837 tristate "Mediatek SoCs watchdog support" 838 depends on ARCH_MEDIATEK || COMPILE_TEST 839 select WATCHDOG_CORE 840 select RESET_CONTROLLER 841 help 842 Say Y here to include support for the watchdog timer 843 in Mediatek SoCs. 844 To compile this driver as a module, choose M here: the 845 module will be called mtk_wdt. 846 847config DIGICOLOR_WATCHDOG 848 tristate "Conexant Digicolor SoCs watchdog support" 849 depends on ARCH_DIGICOLOR || COMPILE_TEST 850 select WATCHDOG_CORE 851 help 852 Say Y here to include support for the watchdog timer 853 in Conexant Digicolor SoCs. 854 To compile this driver as a module, choose M here: the 855 module will be called digicolor_wdt. 856 857config ARM_SMC_WATCHDOG 858 tristate "ARM Secure Monitor Call based watchdog support" 859 depends on ARM || ARM64 860 depends on OF 861 depends on HAVE_ARM_SMCCC 862 select WATCHDOG_CORE 863 help 864 Say Y here to include support for a watchdog timer 865 implemented by the EL3 Secure Monitor on ARM platforms. 866 Requires firmware support. 867 To compile this driver as a module, choose M here: the 868 module will be called arm_smc_wdt. 869 870config LPC18XX_WATCHDOG 871 tristate "LPC18xx/43xx Watchdog" 872 depends on ARCH_LPC18XX || COMPILE_TEST 873 depends on HAS_IOMEM 874 select WATCHDOG_CORE 875 help 876 Say Y here if to include support for the watchdog timer 877 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 878 processors. 879 To compile this driver as a module, choose M here: the 880 module will be called lpc18xx_wdt. 881 882config RENESAS_WDT 883 tristate "Renesas WDT Watchdog" 884 depends on ARCH_RENESAS || COMPILE_TEST 885 select WATCHDOG_CORE 886 help 887 This driver adds watchdog support for the integrated watchdogs in the 888 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 889 890config RENESAS_RZAWDT 891 tristate "Renesas RZ/A WDT Watchdog" 892 depends on ARCH_RENESAS || COMPILE_TEST 893 select WATCHDOG_CORE 894 help 895 This driver adds watchdog support for the integrated watchdogs in the 896 Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 897 898config ASPEED_WATCHDOG 899 tristate "Aspeed BMC watchdog support" 900 depends on ARCH_ASPEED || COMPILE_TEST 901 select WATCHDOG_CORE 902 help 903 Say Y here to include support for the watchdog timer 904 in Aspeed BMC SoCs. 905 906 This driver is required to reboot the SoC. 907 908 To compile this driver as a module, choose M here: the 909 module will be called aspeed_wdt. 910 911config STM32_WATCHDOG 912 tristate "STM32 Independent WatchDoG (IWDG) support" 913 depends on ARCH_STM32 914 select WATCHDOG_CORE 915 default y 916 help 917 Say Y here to include support for the watchdog timer 918 in stm32 SoCs. 919 920 To compile this driver as a module, choose M here: the 921 module will be called stm32_iwdg. 922 923config STPMIC1_WATCHDOG 924 tristate "STPMIC1 PMIC watchdog support" 925 depends on MFD_STPMIC1 926 select WATCHDOG_CORE 927 help 928 Say Y here to include watchdog support embedded into STPMIC1 PMIC. 929 If the watchdog timer expires, stpmic1 will shut down all its power 930 supplies. 931 932 To compile this driver as a module, choose M here: the 933 module will be called spmic1_wdt. 934 935config UNIPHIER_WATCHDOG 936 tristate "UniPhier watchdog support" 937 depends on ARCH_UNIPHIER || COMPILE_TEST 938 depends on OF && MFD_SYSCON 939 select WATCHDOG_CORE 940 help 941 Say Y here to include support watchdog timer embedded 942 into the UniPhier system. 943 944 To compile this driver as a module, choose M here: the 945 module will be called uniphier_wdt. 946 947config RTD119X_WATCHDOG 948 bool "Realtek RTD119x/RTD129x watchdog support" 949 depends on ARCH_REALTEK || COMPILE_TEST 950 depends on OF 951 select WATCHDOG_CORE 952 default ARCH_REALTEK 953 help 954 Say Y here to include support for the watchdog timer in 955 Realtek RTD1295 SoCs. 956 957config SPRD_WATCHDOG 958 tristate "Spreadtrum watchdog support" 959 depends on ARCH_SPRD || COMPILE_TEST 960 select WATCHDOG_CORE 961 help 962 Say Y here to include watchdog timer supported 963 by Spreadtrum system. 964 965config PM8916_WATCHDOG 966 tristate "QCOM PM8916 pmic watchdog" 967 depends on OF && MFD_SPMI_PMIC 968 select WATCHDOG_CORE 969 help 970 Say Y here to include support watchdog timer embedded into the 971 pm8916 module. 972 973config VISCONTI_WATCHDOG 974 tristate "Toshiba Visconti series watchdog support" 975 depends on ARCH_VISCONTI || COMPILE_TEST 976 select WATCHDOG_CORE 977 help 978 Say Y here to include support for the watchdog timer in Toshiba 979 Visconti SoCs. 980 981config MSC313E_WATCHDOG 982 tristate "MStar MSC313e watchdog" 983 depends on ARCH_MSTARV7 || COMPILE_TEST 984 select WATCHDOG_CORE 985 help 986 Say Y here to include support for the Watchdog timer embedded 987 into MStar MSC313e chips. This will reboot your system when the 988 timeout is reached. 989 990 To compile this driver as a module, choose M here: the 991 module will be called msc313e_wdt. 992 993# X86 (i386 + ia64 + x86_64) Architecture 994 995config ACQUIRE_WDT 996 tristate "Acquire SBC Watchdog Timer" 997 depends on X86 998 help 999 This is the driver for the hardware watchdog on Single Board 1000 Computers produced by Acquire Inc (and others). This watchdog 1001 simply watches your kernel to make sure it doesn't freeze, and if 1002 it does, it reboots your computer after a certain amount of time. 1003 1004 To compile this driver as a module, choose M here: the 1005 module will be called acquirewdt. 1006 1007 Most people will say N. 1008 1009config ADVANTECH_WDT 1010 tristate "Advantech SBC Watchdog Timer" 1011 depends on X86 1012 help 1013 If you are configuring a Linux kernel for the Advantech single-board 1014 computer, say `Y' here to support its built-in watchdog timer 1015 feature. More information can be found at 1016 <https://www.advantech.com.tw/products/> 1017 1018config ALIM1535_WDT 1019 tristate "ALi M1535 PMU Watchdog Timer" 1020 depends on X86 && PCI 1021 help 1022 This is the driver for the hardware watchdog on the ALi M1535 PMU. 1023 1024 To compile this driver as a module, choose M here: the 1025 module will be called alim1535_wdt. 1026 1027 Most people will say N. 1028 1029config ALIM7101_WDT 1030 tristate "ALi M7101 PMU Computer Watchdog" 1031 depends on PCI 1032 help 1033 This is the driver for the hardware watchdog on the ALi M7101 PMU 1034 as used in the x86 Cobalt servers and also found in some 1035 SPARC Netra servers too. 1036 1037 To compile this driver as a module, choose M here: the 1038 module will be called alim7101_wdt. 1039 1040 Most people will say N. 1041 1042config EBC_C384_WDT 1043 tristate "WinSystems EBC-C384 Watchdog Timer" 1044 depends on X86 1045 select ISA_BUS_API 1046 select WATCHDOG_CORE 1047 help 1048 Enables watchdog timer support for the watchdog timer on the 1049 WinSystems EBC-C384 motherboard. The timeout may be configured via 1050 the timeout module parameter. 1051 1052config F71808E_WDT 1053 tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1054 depends on X86 1055 help 1056 This is the driver for the hardware watchdog on the Fintek F71808E, 1057 F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1058 F81866 Super I/O controllers. 1059 1060 You can compile this driver directly into the kernel, or use 1061 it as a module. The module will be called f71808e_wdt. 1062 1063config SP5100_TCO 1064 tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 1065 depends on X86 && PCI 1066 select WATCHDOG_CORE 1067 help 1068 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 1069 (Total Cost of Ownership) timer is a watchdog timer that will reboot 1070 the machine after its expiration. The expiration time can be 1071 configured with the "heartbeat" parameter. 1072 1073 To compile this driver as a module, choose M here: the 1074 module will be called sp5100_tco. 1075 1076config GEODE_WDT 1077 tristate "AMD Geode CS5535/CS5536 Watchdog" 1078 depends on CS5535_MFGPT 1079 help 1080 This driver enables a watchdog capability built into the 1081 CS5535/CS5536 companion chips for the AMD Geode GX and LX 1082 processors. This watchdog watches your kernel to make sure 1083 it doesn't freeze, and if it does, it reboots your computer after 1084 a certain amount of time. 1085 1086 You can compile this driver directly into the kernel, or use 1087 it as a module. The module will be called geodewdt. 1088 1089config SC520_WDT 1090 tristate "AMD Elan SC520 processor Watchdog" 1091 depends on MELAN || COMPILE_TEST 1092 help 1093 This is the driver for the hardware watchdog built in to the 1094 AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1095 This watchdog simply watches your kernel to make sure it doesn't 1096 freeze, and if it does, it reboots your computer after a certain 1097 amount of time. 1098 1099 You can compile this driver directly into the kernel, or use 1100 it as a module. The module will be called sc520_wdt. 1101 1102config SBC_FITPC2_WATCHDOG 1103 tristate "Compulab SBC-FITPC2 watchdog" 1104 depends on X86 1105 help 1106 This is the driver for the built-in watchdog timer on the fit-PC2, 1107 fit-PC2i, CM-iAM single-board computers made by Compulab. 1108 1109 It's possible to enable the watchdog timer either from BIOS (F2) or 1110 from booted Linux. 1111 When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 1112 operational range. 1113 1114 Entering BIOS setup temporarily disables watchdog operation regardless 1115 of current state, so system will not be restarted while user is in 1116 BIOS setup. 1117 1118 Once the watchdog is enabled the system will be restarted every 1119 "Watchdog Timer Value" period, so to prevent it user can restart or 1120 disable the watchdog. 1121 1122 To compile this driver as a module, choose M here: the 1123 module will be called sbc_fitpc2_wdt. 1124 1125 Most people will say N. 1126 1127config EUROTECH_WDT 1128 tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1129 depends on X86 1130 help 1131 Enable support for the watchdog timer on the Eurotech CPU-1220 and 1132 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1133 information are at <http://www.eurotech.it/>. 1134 1135config IB700_WDT 1136 tristate "IB700 SBC Watchdog Timer" 1137 depends on X86 1138 help 1139 This is the driver for the hardware watchdog on the IB700 Single 1140 Board Computer produced by TMC Technology (www.tmc-uk.com). This 1141 watchdog simply watches your kernel to make sure it doesn't freeze, 1142 and if it does, it reboots your computer after a certain amount of time. 1143 1144 This driver is like the WDT501 driver but for slightly different 1145 hardware. 1146 1147 To compile this driver as a module, choose M here: the 1148 module will be called ib700wdt. 1149 1150 Most people will say N. 1151 1152config IBMASR 1153 tristate "IBM Automatic Server Restart" 1154 depends on X86 1155 help 1156 This is the driver for the IBM Automatic Server Restart watchdog 1157 timer built-in into some eServer xSeries machines. 1158 1159 To compile this driver as a module, choose M here: the 1160 module will be called ibmasr. 1161 1162config WAFER_WDT 1163 tristate "ICP Single Board Computer Watchdog Timer" 1164 depends on X86 1165 help 1166 This is a driver for the hardware watchdog on the ICP Single 1167 Board Computer. This driver is working on (at least) the following 1168 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1169 1170 To compile this driver as a module, choose M here: the 1171 module will be called wafer5823wdt. 1172 1173config I6300ESB_WDT 1174 tristate "Intel 6300ESB Timer/Watchdog" 1175 depends on PCI 1176 select WATCHDOG_CORE 1177 help 1178 Hardware driver for the watchdog timer built into the Intel 1179 6300ESB controller hub. 1180 1181 To compile this driver as a module, choose M here: the 1182 module will be called i6300esb. 1183 1184config IE6XX_WDT 1185 tristate "Intel Atom E6xx Watchdog" 1186 depends on X86 && PCI 1187 select WATCHDOG_CORE 1188 select MFD_CORE 1189 select LPC_SCH 1190 help 1191 Hardware driver for the watchdog timer built into the Intel 1192 Atom E6XX (TunnelCreek) processor. 1193 1194 To compile this driver as a module, choose M here: the 1195 module will be called ie6xx_wdt. 1196 1197config INTEL_MID_WATCHDOG 1198 tristate "Intel MID Watchdog Timer" 1199 depends on X86_INTEL_MID 1200 select WATCHDOG_CORE 1201 help 1202 Watchdog timer driver built into the Intel SCU for Intel MID 1203 Platforms. 1204 1205 This driver currently supports only the watchdog evolution 1206 implementation in SCU, available for Merrifield generation. 1207 1208 To compile this driver as a module, choose M here. 1209 1210config ITCO_WDT 1211 tristate "Intel TCO Timer/Watchdog" 1212 depends on (X86 || IA64) && PCI 1213 select WATCHDOG_CORE 1214 depends on I2C || I2C=n 1215 depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 1216 select LPC_ICH if !EXPERT 1217 select I2C_I801 if !EXPERT && I2C 1218 help 1219 Hardware driver for the intel TCO timer based watchdog devices. 1220 These drivers are included in the Intel 82801 I/O Controller 1221 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1222 controller hub. 1223 1224 The TCO (Total Cost of Ownership) timer is a watchdog timer 1225 that will reboot the machine after its second expiration. The 1226 expiration time can be configured with the "heartbeat" parameter. 1227 1228 On some motherboards the driver may fail to reset the chipset's 1229 NO_REBOOT flag which prevents the watchdog from rebooting the 1230 machine. If this is the case you will get a kernel message like 1231 "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1232 1233 To compile this driver as a module, choose M here: the 1234 module will be called iTCO_wdt. 1235 1236config ITCO_VENDOR_SUPPORT 1237 bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1238 depends on ITCO_WDT 1239 help 1240 Add vendor specific support to the intel TCO timer based watchdog 1241 devices. At this moment we only have additional support for some 1242 SuperMicro Inc. motherboards. 1243 1244config IT8712F_WDT 1245 tristate "IT8712F (Smart Guardian) Watchdog Timer" 1246 depends on X86 1247 help 1248 This is the driver for the built-in watchdog timer on the IT8712F 1249 Super I/0 chipset used on many motherboards. 1250 1251 If the driver does not work, then make sure that the game port in 1252 the BIOS is enabled. 1253 1254 To compile this driver as a module, choose M here: the 1255 module will be called it8712f_wdt. 1256 1257config IT87_WDT 1258 tristate "IT87 Watchdog Timer" 1259 depends on X86 1260 select WATCHDOG_CORE 1261 help 1262 This is the driver for the hardware watchdog on the ITE IT8607, 1263 IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1264 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1265 IT8783 Super I/O chips. 1266 1267 This watchdog simply watches your kernel to make sure it doesn't 1268 freeze, and if it does, it reboots your computer after a certain 1269 amount of time. 1270 1271 To compile this driver as a module, choose M here: the module will 1272 be called it87_wdt. 1273 1274config HP_WATCHDOG 1275 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1276 select WATCHDOG_CORE 1277 depends on X86 && PCI 1278 help 1279 A software monitoring watchdog and NMI handling driver. This driver 1280 will detect lockups and provide a stack trace. This is a driver that 1281 will only load on an HP ProLiant system with a minimum of iLO2 support. 1282 To compile this driver as a module, choose M here: the module will be 1283 called hpwdt. 1284 1285config HPWDT_NMI_DECODING 1286 bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1287 depends on HP_WATCHDOG 1288 default y 1289 help 1290 Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1291 "Generate NMI to System" virtual button. When an NMI is claimed 1292 by the driver, panic is called. 1293 1294config KEMPLD_WDT 1295 tristate "Kontron COM Watchdog Timer" 1296 depends on MFD_KEMPLD 1297 select WATCHDOG_CORE 1298 help 1299 Support for the PLD watchdog on some Kontron ETX and COMexpress 1300 (ETXexpress) modules 1301 1302 This driver can also be built as a module. If so, the module will be 1303 called kempld_wdt. 1304 1305config SC1200_WDT 1306 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1307 depends on X86 1308 help 1309 This is a driver for National Semiconductor PC87307/PC97307 hardware 1310 watchdog cards as found on the SC1200. This watchdog is mainly used 1311 for power management purposes and can be used to power down the device 1312 during inactivity periods (includes interrupt activity monitoring). 1313 1314 To compile this driver as a module, choose M here: the 1315 module will be called sc1200wdt. 1316 1317 Most people will say N. 1318 1319config SCx200_WDT 1320 tristate "National Semiconductor SCx200 Watchdog" 1321 depends on SCx200 && PCI 1322 help 1323 Enable the built-in watchdog timer support on the National 1324 Semiconductor SCx200 processors. 1325 1326 If compiled as a module, it will be called scx200_wdt. 1327 1328config PC87413_WDT 1329 tristate "NS PC87413 watchdog" 1330 depends on X86 1331 help 1332 This is the driver for the hardware watchdog on the PC87413 chipset 1333 This watchdog simply watches your kernel to make sure it doesn't 1334 freeze, and if it does, it reboots your computer after a certain 1335 amount of time. 1336 1337 To compile this driver as a module, choose M here: the 1338 module will be called pc87413_wdt. 1339 1340 Most people will say N. 1341 1342config NV_TCO 1343 tristate "nVidia TCO Timer/Watchdog" 1344 depends on X86 && PCI 1345 help 1346 Hardware driver for the TCO timer built into the nVidia Hub family 1347 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1348 watchdog timer that will reboot the machine after its second 1349 expiration. The expiration time can be configured with the 1350 "heartbeat" parameter. 1351 1352 On some motherboards the driver may fail to reset the chipset's 1353 NO_REBOOT flag which prevents the watchdog from rebooting the 1354 machine. If this is the case you will get a kernel message like 1355 "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1356 1357 To compile this driver as a module, choose M here: the 1358 module will be called nv_tco. 1359 1360config RDC321X_WDT 1361 tristate "RDC R-321x SoC watchdog" 1362 depends on X86_RDC321X || COMPILE_TEST 1363 depends on PCI 1364 help 1365 This is the driver for the built in hardware watchdog 1366 in the RDC R-321x SoC. 1367 1368 To compile this driver as a module, choose M here: the 1369 module will be called rdc321x_wdt. 1370 1371config 60XX_WDT 1372 tristate "SBC-60XX Watchdog Timer" 1373 depends on X86 1374 help 1375 This driver can be used with the watchdog timer found on some 1376 single board computers, namely the 6010 PII based computer. 1377 It may well work with other cards. It reads port 0x443 to enable 1378 and re-set the watchdog timer, and reads port 0x45 to disable 1379 the watchdog. If you have a card that behave in similar ways, 1380 you can probably make this driver work with your card as well. 1381 1382 You can compile this driver directly into the kernel, or use 1383 it as a module. The module will be called sbc60xxwdt. 1384 1385config SBC8360_WDT 1386 tristate "SBC8360 Watchdog Timer" 1387 depends on X86_32 1388 help 1389 1390 This is the driver for the hardware watchdog on the SBC8360 Single 1391 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1392 1393 To compile this driver as a module, choose M here: the 1394 module will be called sbc8360. 1395 1396 Most people will say N. 1397 1398config SBC7240_WDT 1399 tristate "SBC Nano 7240 Watchdog Timer" 1400 depends on X86_32 && !UML 1401 help 1402 This is the driver for the hardware watchdog found on the IEI 1403 single board computers EPIC Nano 7240 (and likely others). This 1404 watchdog simply watches your kernel to make sure it doesn't freeze, 1405 and if it does, it reboots your computer after a certain amount of 1406 time. 1407 1408 To compile this driver as a module, choose M here: the 1409 module will be called sbc7240_wdt. 1410 1411config CPU5_WDT 1412 tristate "SMA CPU5 Watchdog" 1413 depends on X86 1414 help 1415 TBD. 1416 To compile this driver as a module, choose M here: the 1417 module will be called cpu5wdt. 1418 1419config SMSC_SCH311X_WDT 1420 tristate "SMSC SCH311X Watchdog Timer" 1421 depends on X86 1422 help 1423 This is the driver for the hardware watchdog timer on the 1424 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 1425 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 1426 serial ports). 1427 1428 To compile this driver as a module, choose M here: the 1429 module will be called sch311x_wdt. 1430 1431config SMSC37B787_WDT 1432 tristate "Winbond SMsC37B787 Watchdog Timer" 1433 depends on X86 1434 help 1435 This is the driver for the hardware watchdog component on the 1436 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1437 from Vision Systems and maybe others. 1438 1439 This watchdog simply watches your kernel to make sure it doesn't 1440 freeze, and if it does, it reboots your computer after a certain 1441 amount of time. 1442 1443 Usually a userspace daemon will notify the kernel WDT driver that 1444 userspace is still alive, at regular intervals. 1445 1446 To compile this driver as a module, choose M here: the 1447 module will be called smsc37b787_wdt. 1448 1449 Most people will say N. 1450 1451config TQMX86_WDT 1452 tristate "TQ-Systems TQMX86 Watchdog Timer" 1453 depends on X86 1454 select WATCHDOG_CORE 1455 help 1456 This is the driver for the hardware watchdog timer in the TQMX86 IO 1457 controller found on some of their ComExpress Modules. 1458 1459 To compile this driver as a module, choose M here; the module 1460 will be called tqmx86_wdt. 1461 1462 Most people will say N. 1463 1464config VIA_WDT 1465 tristate "VIA Watchdog Timer" 1466 depends on X86 && PCI 1467 select WATCHDOG_CORE 1468 help 1469 This is the driver for the hardware watchdog timer on VIA 1470 southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1471 1472 To compile this driver as a module, choose M here; the module 1473 will be called via_wdt. 1474 1475 Most people will say N. 1476 1477config W83627HF_WDT 1478 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1479 depends on X86 1480 select WATCHDOG_CORE 1481 help 1482 This is the driver for the hardware watchdog on the following 1483 Super I/O chips. 1484 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1485 W83637HF 1486 W83667HG/HG-B 1487 W83687THF 1488 W83697HF 1489 W83697UG 1490 NCT6775 1491 NCT6776 1492 NCT6779 1493 NCT6791 1494 NCT6792 1495 NCT6102D/04D/06D 1496 NCT6116D 1497 1498 This watchdog simply watches your kernel to make sure it doesn't 1499 freeze, and if it does, it reboots your computer after a certain 1500 amount of time. 1501 1502 To compile this driver as a module, choose M here: the 1503 module will be called w83627hf_wdt. 1504 1505 Most people will say N. 1506 1507config W83877F_WDT 1508 tristate "W83877F (EMACS) Watchdog Timer" 1509 depends on X86 1510 help 1511 This is the driver for the hardware watchdog on the W83877F chipset 1512 as used in EMACS PC-104 motherboards (and likely others). This 1513 watchdog simply watches your kernel to make sure it doesn't freeze, 1514 and if it does, it reboots your computer after a certain amount of 1515 time. 1516 1517 To compile this driver as a module, choose M here: the 1518 module will be called w83877f_wdt. 1519 1520 Most people will say N. 1521 1522config W83977F_WDT 1523 tristate "W83977F (PCM-5335) Watchdog Timer" 1524 depends on X86 1525 help 1526 This is the driver for the hardware watchdog on the W83977F I/O chip 1527 as used in AAEON's PCM-5335 SBC (and likely others). This 1528 watchdog simply watches your kernel to make sure it doesn't freeze, 1529 and if it does, it reboots your computer after a certain amount of 1530 time. 1531 1532 To compile this driver as a module, choose M here: the 1533 module will be called w83977f_wdt. 1534 1535config MACHZ_WDT 1536 tristate "ZF MachZ Watchdog" 1537 depends on X86 1538 help 1539 If you are using a ZF Micro MachZ processor, say Y here, otherwise 1540 N. This is the driver for the watchdog timer built-in on that 1541 processor using ZF-Logic interface. This watchdog simply watches 1542 your kernel to make sure it doesn't freeze, and if it does, it 1543 reboots your computer after a certain amount of time. 1544 1545 To compile this driver as a module, choose M here: the 1546 module will be called machzwd. 1547 1548config SBC_EPX_C3_WATCHDOG 1549 tristate "Winsystems SBC EPX-C3 watchdog" 1550 depends on X86 1551 help 1552 This is the driver for the built-in watchdog timer on the EPX-C3 1553 Single-board computer made by Winsystems, Inc. 1554 1555 *Note*: This hardware watchdog is not probeable and thus there 1556 is no way to know if writing to its IO address will corrupt 1557 your system or have any real effect. The only way to be sure 1558 that this driver does what you want is to make sure you 1559 are running it on an EPX-C3 from Winsystems with the watchdog 1560 timer at IO address 0x1ee and 0x1ef. It will write to both those 1561 IO ports. Basically, the assumption is made that if you compile 1562 this driver into your kernel and/or load it as a module, that you 1563 know what you are doing and that you are in fact running on an 1564 EPX-C3 board! 1565 1566 To compile this driver as a module, choose M here: the 1567 module will be called sbc_epx_c3. 1568 1569config INTEL_MEI_WDT 1570 tristate "Intel MEI iAMT Watchdog" 1571 depends on INTEL_MEI && X86 1572 select WATCHDOG_CORE 1573 help 1574 A device driver for the Intel MEI iAMT watchdog. 1575 1576 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1577 Whenever the OS hangs or crashes, iAMT will send an event 1578 to any subscriber to this event. The watchdog doesn't reset the 1579 the platform. 1580 1581 To compile this driver as a module, choose M here: 1582 the module will be called mei_wdt. 1583 1584config NI903X_WDT 1585 tristate "NI 903x/913x Watchdog" 1586 depends on X86 && ACPI 1587 select WATCHDOG_CORE 1588 help 1589 This is the driver for the watchdog timer on the National Instruments 1590 903x/913x real-time controllers. 1591 1592 To compile this driver as a module, choose M here: the module will be 1593 called ni903x_wdt. 1594 1595config NIC7018_WDT 1596 tristate "NIC7018 Watchdog" 1597 depends on X86 && ACPI 1598 select WATCHDOG_CORE 1599 help 1600 Support for National Instruments NIC7018 Watchdog. 1601 1602 To compile this driver as a module, choose M here: the module will be 1603 called nic7018_wdt. 1604 1605# M68K Architecture 1606 1607config M54xx_WATCHDOG 1608 tristate "MCF54xx watchdog support" 1609 depends on M548x 1610 help 1611 To compile this driver as a module, choose M here: the 1612 module will be called m54xx_wdt. 1613 1614# MicroBlaze Architecture 1615 1616# MIPS Architecture 1617 1618config ATH79_WDT 1619 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1620 depends on ATH79 || (ARM && COMPILE_TEST) 1621 help 1622 Hardware driver for the built-in watchdog timer on the Atheros 1623 AR71XX/AR724X/AR913X SoCs. 1624 1625config BCM47XX_WDT 1626 tristate "Broadcom BCM47xx Watchdog Timer" 1627 depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 1628 select WATCHDOG_CORE 1629 help 1630 Hardware driver for the Broadcom BCM47xx Watchdog Timer. 1631 1632config RC32434_WDT 1633 tristate "IDT RC32434 SoC Watchdog Timer" 1634 depends on MIKROTIK_RB532 1635 help 1636 Hardware driver for the IDT RC32434 SoC built-in 1637 watchdog timer. 1638 1639 To compile this driver as a module, choose M here: the 1640 module will be called rc32434_wdt. 1641 1642config INDYDOG 1643 tristate "Indy/I2 Hardware Watchdog" 1644 depends on SGI_HAS_INDYDOG 1645 help 1646 Hardware driver for the Indy's/I2's watchdog. This is a 1647 watchdog timer that will reboot the machine after a 60 second 1648 timer expired and no process has written to /dev/watchdog during 1649 that time. 1650 1651config JZ4740_WDT 1652 tristate "Ingenic jz4740 SoC hardware watchdog" 1653 depends on MIPS 1654 depends on COMMON_CLK 1655 select WATCHDOG_CORE 1656 select MFD_SYSCON 1657 help 1658 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1659 1660config WDT_MTX1 1661 tristate "MTX-1 Hardware Watchdog" 1662 depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1663 help 1664 Hardware driver for the MTX-1 boards. This is a watchdog timer that 1665 will reboot the machine after a 100 seconds timer expired. 1666 1667config SIBYTE_WDOG 1668 tristate "Sibyte SoC hardware watchdog" 1669 depends on CPU_SB1 1670 help 1671 Watchdog driver for the built in watchdog hardware in Sibyte 1672 SoC processors. There are apparently two watchdog timers 1673 on such processors; this driver supports only the first one, 1674 because currently Linux only supports exporting one watchdog 1675 to userspace. 1676 1677 To compile this driver as a loadable module, choose M here. 1678 The module will be called sb_wdog. 1679 1680config AR7_WDT 1681 tristate "TI AR7 Watchdog Timer" 1682 depends on AR7 || (MIPS && COMPILE_TEST) 1683 help 1684 Hardware driver for the TI AR7 Watchdog Timer. 1685 1686config TXX9_WDT 1687 tristate "Toshiba TXx9 Watchdog Timer" 1688 depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST) 1689 select WATCHDOG_CORE 1690 help 1691 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 1692 1693config OCTEON_WDT 1694 tristate "Cavium OCTEON SOC family Watchdog Timer" 1695 depends on CAVIUM_OCTEON_SOC 1696 default y 1697 select WATCHDOG_CORE 1698 select EXPORT_UASM if OCTEON_WDT = m 1699 help 1700 Hardware driver for OCTEON's on chip watchdog timer. 1701 Enables the watchdog for all cores running Linux. It 1702 installs a NMI handler and pokes the watchdog based on an 1703 interrupt. On first expiration of the watchdog, the 1704 interrupt handler pokes it. The second expiration causes an 1705 NMI that prints a message. The third expiration causes a 1706 global soft reset. 1707 1708 When userspace has /dev/watchdog open, no poking is done 1709 from the first interrupt, it is then only poked when the 1710 device is written. 1711 1712config BCM63XX_WDT 1713 tristate "Broadcom BCM63xx hardware watchdog" 1714 depends on BCM63XX 1715 help 1716 Watchdog driver for the built in watchdog hardware in Broadcom 1717 BCM63xx SoC. 1718 1719 To compile this driver as a loadable module, choose M here. 1720 The module will be called bcm63xx_wdt. 1721 1722config BCM2835_WDT 1723 tristate "Broadcom BCM2835 hardware watchdog" 1724 depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1725 select WATCHDOG_CORE 1726 help 1727 Watchdog driver for the built in watchdog hardware in Broadcom 1728 BCM2835 SoC. 1729 1730 To compile this driver as a loadable module, choose M here. 1731 The module will be called bcm2835_wdt. 1732 1733config BCM_KONA_WDT 1734 tristate "BCM Kona Watchdog" 1735 depends on ARCH_BCM_MOBILE || COMPILE_TEST 1736 select WATCHDOG_CORE 1737 help 1738 Support for the watchdog timer on the following Broadcom BCM281xx 1739 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 1740 BCM28155 variants. 1741 1742 Say 'Y' or 'M' here to enable the driver. The module will be called 1743 bcm_kona_wdt. 1744 1745config BCM_KONA_WDT_DEBUG 1746 bool "DEBUGFS support for BCM Kona Watchdog" 1747 depends on BCM_KONA_WDT 1748 help 1749 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 1750 access to the driver's internal data structures as well as watchdog 1751 timer hardware registres. 1752 1753 If in doubt, say 'N'. 1754 1755config BCM7038_WDT 1756 tristate "BCM7038 Watchdog" 1757 select WATCHDOG_CORE 1758 depends on HAS_IOMEM 1759 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST 1760 help 1761 Watchdog driver for the built-in hardware in Broadcom 7038 and 1762 later SoCs used in set-top boxes. BCM7038 was made public 1763 during the 2004 CES, and since then, many Broadcom chips use this 1764 watchdog block, including some cable modem chips. 1765 1766config IMGPDC_WDT 1767 tristate "Imagination Technologies PDC Watchdog Timer" 1768 depends on HAS_IOMEM 1769 depends on MIPS || COMPILE_TEST 1770 select WATCHDOG_CORE 1771 help 1772 Driver for Imagination Technologies PowerDown Controller 1773 Watchdog Timer. 1774 1775 To compile this driver as a loadable module, choose M here. 1776 The module will be called imgpdc_wdt. 1777 1778config LANTIQ_WDT 1779 tristate "Lantiq SoC watchdog" 1780 depends on LANTIQ 1781 select WATCHDOG_CORE 1782 help 1783 Hardware driver for the Lantiq SoC Watchdog Timer. 1784 1785config LOONGSON1_WDT 1786 tristate "Loongson1 SoC hardware watchdog" 1787 depends on MACH_LOONGSON32 1788 select WATCHDOG_CORE 1789 help 1790 Hardware driver for the Loongson1 SoC Watchdog Timer. 1791 1792config RALINK_WDT 1793 tristate "Ralink SoC watchdog" 1794 select WATCHDOG_CORE 1795 depends on RALINK 1796 help 1797 Hardware driver for the Ralink SoC Watchdog Timer. 1798 1799config MT7621_WDT 1800 tristate "Mediatek SoC watchdog" 1801 select WATCHDOG_CORE 1802 depends on SOC_MT7620 || SOC_MT7621 1803 help 1804 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1805 1806config PIC32_WDT 1807 tristate "Microchip PIC32 hardware watchdog" 1808 select WATCHDOG_CORE 1809 depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1810 help 1811 Watchdog driver for the built in watchdog hardware in a PIC32. 1812 1813 Configuration bits must be set appropriately for the watchdog to be 1814 controlled by this driver. 1815 1816 To compile this driver as a loadable module, choose M here. 1817 The module will be called pic32-wdt. 1818 1819config PIC32_DMT 1820 tristate "Microchip PIC32 Deadman Timer" 1821 select WATCHDOG_CORE 1822 depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1823 help 1824 Watchdog driver for PIC32 instruction fetch counting timer. This 1825 specific timer is typically be used in mission critical and safety 1826 critical applications, where any single failure of the software 1827 functionality and sequencing must be detected. 1828 1829 To compile this driver as a loadable module, choose M here. 1830 The module will be called pic32-dmt. 1831 1832# PARISC Architecture 1833 1834# POWERPC Architecture 1835 1836config GEF_WDT 1837 tristate "GE Watchdog Timer" 1838 depends on GE_FPGA 1839 help 1840 Watchdog timer found in a number of GE single board computers. 1841 1842config MPC5200_WDT 1843 bool "MPC52xx Watchdog Timer" 1844 depends on PPC_MPC52xx || COMPILE_TEST 1845 help 1846 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1847 1848config 8xxx_WDT 1849 tristate "MPC8xxx Platform Watchdog Timer" 1850 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1851 select WATCHDOG_CORE 1852 help 1853 This driver is for a SoC level watchdog that exists on some 1854 Freescale PowerPC processors. So far this driver supports: 1855 - MPC8xx watchdogs 1856 - MPC83xx watchdogs 1857 - MPC86xx watchdogs 1858 1859 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1860 1861config PIKA_WDT 1862 tristate "PIKA FPGA Watchdog" 1863 depends on WARP || (PPC64 && COMPILE_TEST) 1864 default y 1865 help 1866 This enables the watchdog in the PIKA FPGA. Currently used on 1867 the Warp platform. 1868 1869config BOOKE_WDT 1870 tristate "PowerPC Book-E Watchdog Timer" 1871 depends on BOOKE || 4xx 1872 select WATCHDOG_CORE 1873 help 1874 Watchdog driver for PowerPC Book-E chips, such as the Freescale 1875 MPC85xx SOCs and the IBM PowerPC 440. 1876 1877 Please see Documentation/watchdog/watchdog-api.rst for 1878 more information. 1879 1880config BOOKE_WDT_DEFAULT_TIMEOUT 1881 int "PowerPC Book-E Watchdog Timer Default Timeout" 1882 depends on BOOKE_WDT 1883 default 38 if PPC_FSL_BOOK3E 1884 range 0 63 if PPC_FSL_BOOK3E 1885 default 3 if !PPC_FSL_BOOK3E 1886 range 0 3 if !PPC_FSL_BOOK3E 1887 help 1888 Select the default watchdog timer period to be used by the PowerPC 1889 Book-E watchdog driver. A watchdog "event" occurs when the bit 1890 position represented by this number transitions from zero to one. 1891 1892 For Freescale Book-E processors, this is a number between 0 and 63. 1893 For other Book-E processors, this is a number between 0 and 3. 1894 1895 The value can be overridden by the wdt_period command-line parameter. 1896 1897config MEN_A21_WDT 1898 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 1899 select WATCHDOG_CORE 1900 depends on GPIOLIB || COMPILE_TEST 1901 help 1902 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 1903 1904 The driver can also be built as a module. If so, the module will be 1905 called mena21_wdt. 1906 1907 If unsure select N here. 1908 1909# PPC64 Architecture 1910 1911config WATCHDOG_RTAS 1912 tristate "RTAS watchdog" 1913 depends on PPC_RTAS 1914 help 1915 This driver adds watchdog support for the RTAS watchdog. 1916 1917 To compile this driver as a module, choose M here. The module 1918 will be called wdrtas. 1919 1920# S390 Architecture 1921 1922config DIAG288_WATCHDOG 1923 tristate "System z diag288 Watchdog" 1924 depends on S390 1925 select WATCHDOG_CORE 1926 help 1927 IBM s/390 and zSeries machines running under z/VM 5.1 or later 1928 provide a virtual watchdog timer to their guest that cause a 1929 user define Control Program command to be executed after a 1930 timeout. 1931 LPAR provides a very similar interface. This driver handles 1932 both. 1933 1934 To compile this driver as a module, choose M here. The module 1935 will be called diag288_wdt. 1936 1937# SUPERH (sh + sh64) Architecture 1938 1939config SH_WDT 1940 tristate "SuperH Watchdog" 1941 depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 1942 select WATCHDOG_CORE 1943 help 1944 This driver adds watchdog support for the integrated watchdog in the 1945 SuperH processors. If you have one of these processors and wish 1946 to have watchdog support enabled, say Y, otherwise say N. 1947 1948 As a side note, saying Y here will automatically boost HZ to 1000 1949 so that the timer has a chance to clear the overflow counter. On 1950 slower systems (such as the SH-2 and SH-3) this will likely yield 1951 some performance issues. As such, the WDT should be avoided here 1952 unless it is absolutely necessary. 1953 1954 To compile this driver as a module, choose M here: the 1955 module will be called shwdt. 1956 1957# SPARC Architecture 1958 1959# SPARC64 Architecture 1960 1961config WATCHDOG_CP1XXX 1962 tristate "CP1XXX Hardware Watchdog support" 1963 depends on SPARC64 && PCI 1964 help 1965 This is the driver for the hardware watchdog timers present on 1966 Sun Microsystems CompactPCI models CP1400 and CP1500. 1967 1968 To compile this driver as a module, choose M here: the 1969 module will be called cpwatchdog. 1970 1971 If you do not have a CompactPCI model CP1400 or CP1500, or 1972 another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 1973 you should say N to this option. 1974 1975config WATCHDOG_RIO 1976 tristate "RIO Hardware Watchdog support" 1977 depends on SPARC64 && PCI 1978 help 1979 Say Y here to support the hardware watchdog capability on Sun RIO 1980 machines. The watchdog timeout period is normally one minute but 1981 can be changed with a boot-time parameter. 1982 1983config WATCHDOG_SUN4V 1984 tristate "Sun4v Watchdog support" 1985 select WATCHDOG_CORE 1986 depends on SPARC64 1987 help 1988 Say Y here to support the hypervisor watchdog capability embedded 1989 in the SPARC sun4v architecture. 1990 1991 To compile this driver as a module, choose M here. The module will 1992 be called sun4v_wdt. 1993 1994# XTENSA Architecture 1995 1996# Xen Architecture 1997 1998config XEN_WDT 1999 tristate "Xen Watchdog support" 2000 depends on XEN 2001 select WATCHDOG_CORE 2002 help 2003 Say Y here to support the hypervisor watchdog capability provided 2004 by Xen 4.0 and newer. The watchdog timeout period is normally one 2005 minute but can be changed with a boot-time parameter. 2006 2007config UML_WATCHDOG 2008 tristate "UML watchdog" 2009 depends on UML || COMPILE_TEST 2010 2011# 2012# ISA-based Watchdog Cards 2013# 2014 2015comment "ISA-based Watchdog Cards" 2016 depends on ISA 2017 2018config PCWATCHDOG 2019 tristate "Berkshire Products ISA-PC Watchdog" 2020 depends on ISA 2021 help 2022 This is the driver for the Berkshire Products ISA-PC Watchdog card. 2023 This card simply watches your kernel to make sure it doesn't freeze, 2024 and if it does, it reboots your computer after a certain amount of 2025 time. This driver is like the WDT501 driver but for different 2026 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 2027 The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2028 2029 To compile this driver as a module, choose M here: the 2030 module will be called pcwd. 2031 2032 Most people will say N. 2033 2034config MIXCOMWD 2035 tristate "Mixcom Watchdog" 2036 depends on ISA 2037 help 2038 This is a driver for the Mixcom hardware watchdog cards. This 2039 watchdog simply watches your kernel to make sure it doesn't freeze, 2040 and if it does, it reboots your computer after a certain amount of 2041 time. 2042 2043 To compile this driver as a module, choose M here: the 2044 module will be called mixcomwd. 2045 2046 Most people will say N. 2047 2048config WDT 2049 tristate "WDT Watchdog timer" 2050 depends on ISA 2051 help 2052 If you have a WDT500P or WDT501P watchdog board, say Y here, 2053 otherwise N. It is not possible to probe for this board, which means 2054 that you have to inform the kernel about the IO port and IRQ that 2055 is needed (you can do this via the io and irq parameters) 2056 2057 To compile this driver as a module, choose M here: the 2058 module will be called wdt. 2059 2060# 2061# PCI-based Watchdog Cards 2062# 2063 2064comment "PCI-based Watchdog Cards" 2065 depends on PCI 2066 2067config PCIPCWATCHDOG 2068 tristate "Berkshire Products PCI-PC Watchdog" 2069 depends on PCI 2070 help 2071 This is the driver for the Berkshire Products PCI-PC Watchdog card. 2072 This card simply watches your kernel to make sure it doesn't freeze, 2073 and if it does, it reboots your computer after a certain amount of 2074 time. The card can also monitor the internal temperature of the PC. 2075 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2076 2077 To compile this driver as a module, choose M here: the 2078 module will be called pcwd_pci. 2079 2080 Most people will say N. 2081 2082config WDTPCI 2083 tristate "PCI-WDT500/501 Watchdog timer" 2084 depends on PCI 2085 help 2086 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2087 2088 If you have a PCI-WDT501 watchdog board then you can enable the 2089 temperature sensor by setting the type parameter to 501. 2090 2091 If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2092 can do this via the tachometer parameter. Only do this if you have a 2093 fan tachometer actually set up. 2094 2095 To compile this driver as a module, choose M here: the 2096 module will be called wdt_pci. 2097 2098# 2099# USB-based Watchdog Cards 2100# 2101 2102comment "USB-based Watchdog Cards" 2103 depends on USB 2104 2105config USBPCWATCHDOG 2106 tristate "Berkshire Products USB-PC Watchdog" 2107 depends on USB 2108 help 2109 This is the driver for the Berkshire Products USB-PC Watchdog card. 2110 This card simply watches your kernel to make sure it doesn't freeze, 2111 and if it does, it reboots your computer after a certain amount of 2112 time. The card can also monitor the internal temperature of the PC. 2113 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2114 2115 To compile this driver as a module, choose M here: the 2116 module will be called pcwd_usb. 2117 2118 Most people will say N. 2119 2120config KEEMBAY_WATCHDOG 2121 tristate "Intel Keem Bay SoC non-secure watchdog" 2122 depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2123 select WATCHDOG_CORE 2124 help 2125 This option enable support for an In-secure watchdog timer driver for 2126 Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2127 count unit. An interrupt will be triggered, when the count crosses 2128 the threshold configured in the register. 2129 2130 To compile this driver as a module, choose M here: the 2131 module will be called keembay_wdt. 2132 2133endif # WATCHDOG 2134
