3 # Watchdog device configuration
7 bool "Watchdog Timer Support"
9 If you say Y here (and to one of the following options) and create a
10 character special file /dev/watchdog with major number 10 and minor
11 number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
12 subsequently opening the file and then failing to write to it for
13 longer than 1 minute will result in rebooting the machine. This
14 could be useful for a networked machine that needs to come back
15 on-line as fast as possible after a lock-up. There's both a watchdog
16 implementation entirely in software (which can sometimes fail to
17 reboot the machine) and a driver for hardware watchdog boards, which
18 are more robust and can also keep track of the temperature inside
19 your computer. For details, read
20 <file:Documentation/watchdog/watchdog-api.txt> in the kernel source.
22 The watchdog is usually used together with the watchdog daemon
23 which is available from
24 <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
25 also monitor NFS connections and can reboot the machine when the process
33 tristate "WatchDog Timer Driver Core"
35 Say Y here if you want to use the new watchdog timer driver core.
36 This driver provides a framework for all watchdog timer drivers
37 and gives them the /dev/watchdog interface (and later also the
40 config WATCHDOG_NOWAYOUT
41 bool "Disable watchdog shutdown on close"
43 The default watchdog behaviour (which you get if you say N here) is
44 to stop the timer if the process managing it closes the file
45 /dev/watchdog. It's always remotely possible that this process might
46 get killed. If you say Y here, the watchdog cannot be stopped once
49 config WATCHDOG_HANDLE_BOOT_ENABLED
50 bool "Update boot-enabled watchdog until userspace takes over"
53 The default watchdog behaviour (which you get if you say Y here) is
54 to ping watchdog devices that were enabled before the driver has
55 been loaded until control is taken over from userspace using the
56 /dev/watchdog file. If you say N here, the kernel will not update
57 the watchdog on its own. Thus if your userspace does not start fast
58 enough your device will reboot.
61 bool "Read different watchdog information through sysfs"
63 Say Y here if you want to enable watchdog device status read through
66 comment "Watchdog Pretimeout Governors"
68 config WATCHDOG_PRETIMEOUT_GOV
69 bool "Enable watchdog pretimeout governors"
70 depends on WATCHDOG_CORE
72 The option allows to select watchdog pretimeout governors.
74 if WATCHDOG_PRETIMEOUT_GOV
76 config WATCHDOG_PRETIMEOUT_GOV_NOOP
77 tristate "Noop watchdog pretimeout governor"
78 depends on WATCHDOG_CORE
81 Noop watchdog pretimeout governor, only an informational
82 message is added to kernel log buffer.
84 config WATCHDOG_PRETIMEOUT_GOV_PANIC
85 tristate "Panic watchdog pretimeout governor"
86 depends on WATCHDOG_CORE
89 Panic watchdog pretimeout governor, on watchdog pretimeout
90 event put the kernel into panic.
93 prompt "Default Watchdog Pretimeout Governor"
94 default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
96 This option selects a default watchdog pretimeout governor.
97 The governor takes its action, if a watchdog is capable
98 to report a pretimeout event.
100 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP
102 depends on WATCHDOG_PRETIMEOUT_GOV_NOOP
104 Use noop watchdog pretimeout governor by default. If noop
105 governor is selected by a user, write a short message to
106 the kernel log buffer and don't do any system changes.
108 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
110 depends on WATCHDOG_PRETIMEOUT_GOV_PANIC
112 Use panic watchdog pretimeout governor by default, if
113 a watchdog pretimeout event happens, consider that
114 a watchdog feeder is dead and reboot is unavoidable.
118 endif # WATCHDOG_PRETIMEOUT_GOV
121 # General Watchdog drivers
124 comment "Watchdog Device Drivers"
126 # Architecture Independent
129 tristate "Software watchdog"
132 A software monitoring watchdog. This will fail to reboot your system
133 from some situations that the hardware watchdog will recover
134 from. Equally it's a lot cheaper to install.
136 To compile this driver as a module, choose M here: the
137 module will be called softdog.
139 config SOFT_WATCHDOG_PRETIMEOUT
140 bool "Software watchdog pretimeout governor support"
141 depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV
143 Enable this if you want to use pretimeout governors with the software
144 watchdog. Be aware that governors might affect the watchdog because it
145 is purely software, e.g. the panic governor will stall it!
147 config BD70528_WATCHDOG
148 tristate "ROHM BD70528 PMIC Watchdog"
149 depends on MFD_ROHM_BD70528
152 Support for the watchdog in the ROHM BD70528 PMIC. Watchdog trigger
155 Say Y here to include support for the ROHM BD70528 watchdog.
156 Alternatively say M to compile the driver as a module,
157 which will be called bd70528_wdt.
159 config DA9052_WATCHDOG
160 tristate "Dialog DA9052 Watchdog"
161 depends on PMIC_DA9052 || COMPILE_TEST
164 Support for the watchdog in the DA9052 PMIC. Watchdog trigger
167 Say Y here to include support for the DA9052 watchdog.
168 Alternatively say M to compile the driver as a module,
169 which will be called da9052_wdt.
171 config DA9055_WATCHDOG
172 tristate "Dialog Semiconductor DA9055 Watchdog"
173 depends on MFD_DA9055 || COMPILE_TEST
176 If you say yes here you get support for watchdog on the Dialog
177 Semiconductor DA9055 PMIC.
179 This driver can also be built as a module. If so, the module
180 will be called da9055_wdt.
182 config DA9063_WATCHDOG
183 tristate "Dialog DA9063 Watchdog"
184 depends on MFD_DA9063 || COMPILE_TEST
187 Support for the watchdog in the DA9063 PMIC.
189 This driver can be built as a module. The module name is da9063_wdt.
191 config DA9062_WATCHDOG
192 tristate "Dialog DA9062/61 Watchdog"
193 depends on MFD_DA9062 || COMPILE_TEST
196 Support for the watchdog in the DA9062 and DA9061 PMICs.
198 This driver can be built as a module. The module name is da9062_wdt.
201 tristate "Watchdog device controlled through GPIO-line"
205 If you say yes here you get support for watchdog device
206 controlled through GPIO-line.
208 config GPIO_WATCHDOG_ARCH_INITCALL
209 bool "Register the watchdog as early as possible"
210 depends on GPIO_WATCHDOG=y
212 In some situations, the default initcall level (module_init)
213 in not early enough in the boot process to avoid the watchdog
215 If you say yes here, the initcall level would be raised to
219 config MENF21BMC_WATCHDOG
220 tristate "MEN 14F021P00 BMC Watchdog"
221 depends on MFD_MENF21BMC || COMPILE_TEST
225 Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
227 This driver can also be built as a module. If so the module
228 will be called menf21bmc_wdt.
230 config MENZ069_WATCHDOG
231 tristate "MEN 16Z069 Watchdog"
235 Say Y here to include support for the MEN 16Z069 Watchdog.
237 This driver can also be built as a module. If so the module
238 will be called menz069_wdt.
240 config TANGOX_WATCHDOG
241 tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
243 depends on ARCH_TANGO || COMPILE_TEST
246 Support for the watchdog in Sigma Designs SMP86xx (tango3)
247 and SMP87xx (tango4) family chips.
249 This driver can be built as a module. The module name is tangox_wdt.
252 tristate "ACPI Watchdog Action Table (WDAT)"
257 This driver adds support for systems with ACPI Watchdog Action
258 Table (WDAT) table. Servers typically have this but it can be
259 found on some desktop machines as well. This driver will take
260 over the native iTCO watchdog driver found on many Intel CPUs.
262 To compile this driver as module, choose M here: the module will
265 config WM831X_WATCHDOG
266 tristate "WM831x watchdog"
267 depends on MFD_WM831X
270 Support for the watchdog in the WM831x AudioPlus PMICs. When
271 the watchdog triggers the system will be reset.
273 config WM8350_WATCHDOG
274 tristate "WM8350 watchdog"
275 depends on MFD_WM8350
278 Support for the watchdog in the WM8350 AudioPlus PMIC. When
279 the watchdog triggers the system will be reset.
281 config XILINX_WATCHDOG
282 tristate "Xilinx Watchdog timer"
286 Watchdog driver for the xps_timebase_wdt ip core.
288 To compile this driver as a module, choose M here: the
289 module will be called of_xilinx_wdt.
291 config ZIIRAVE_WATCHDOG
292 tristate "Zodiac RAVE Watchdog Timer"
296 Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog
299 To compile this driver as a module, choose M here: the
300 module will be called ziirave_wdt.
302 config RAVE_SP_WATCHDOG
303 tristate "RAVE SP Watchdog timer"
304 depends on RAVE_SP_CORE
305 depends on NVMEM || !NVMEM
308 Support for the watchdog on RAVE SP device.
311 tristate "Mellanox Watchdog"
312 depends on MELLANOX_PLATFORM
316 This is the driver for the hardware watchdog on Mellanox systems.
317 If you are going to use it, say Y here, otherwise N.
318 This driver can be used together with the watchdog daemon.
319 It can also watch your kernel to make sure it doesn't freeze,
320 and if it does, it reboots your system after a certain amount of
323 To compile this driver as a module, choose M here: the
324 module will be called mlx-wdt.
330 config ARM_SP805_WATCHDOG
331 tristate "ARM SP805 Watchdog"
332 depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA
335 ARM Primecell SP805 Watchdog timer. This will reboot your system when
336 the timeout is reached.
338 config ARM_SBSA_WATCHDOG
339 tristate "ARM SBSA Generic Watchdog"
341 depends on ARM_ARCH_TIMER
344 ARM SBSA Generic Watchdog has two stage timeouts:
345 the first signal (WS0) is for alerting the system by interrupt,
346 the second one (WS1) is a real hardware reset.
347 More details: ARM DEN0029B - Server Base System Architecture (SBSA)
349 This driver can operate ARM SBSA Generic Watchdog as a single stage
350 or a two stages watchdog, it depends on the module parameter "action".
352 Note: the maximum timeout in the two stages mode is half of that in
353 the single stage mode.
355 To compile this driver as module, choose M here: The module
356 will be called sbsa_gwdt.
358 config ARMADA_37XX_WATCHDOG
359 tristate "Armada 37xx watchdog"
360 depends on ARCH_MVEBU || COMPILE_TEST
364 Say Y here to include support for the watchdog timer found on
365 Marvell Armada 37xx SoCs.
366 To compile this driver as a module, choose M here: the
367 module will be called armada_37xx_wdt.
369 config ASM9260_WATCHDOG
370 tristate "Alphascale ASM9260 watchdog"
371 depends on MACH_ASM9260 || COMPILE_TEST
374 select RESET_CONTROLLER
376 Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
377 system when the timeout is reached.
379 config AT91RM9200_WATCHDOG
380 tristate "AT91RM9200 watchdog"
381 depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST
383 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
384 system when the timeout is reached.
386 config AT91SAM9X_WATCHDOG
387 tristate "AT91SAM9X / AT91CAP9 watchdog"
388 depends on ARCH_AT91 || COMPILE_TEST
391 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
392 reboot your system when the timeout is reached.
394 config SAMA5D4_WATCHDOG
395 tristate "Atmel SAMA5D4 Watchdog Timer"
396 depends on ARCH_AT91 || COMPILE_TEST
399 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
400 Its Watchdog Timer Mode Register can be written more than once.
401 This will reboot your system when the timeout is reached.
403 config CADENCE_WATCHDOG
404 tristate "Cadence Watchdog Timer"
408 Say Y here if you want to include support for the watchdog
409 timer in the Xilinx Zynq.
411 config 21285_WATCHDOG
412 tristate "DC21285 watchdog"
413 depends on FOOTBRIDGE
415 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
416 here if you wish to use this. Alternatively say M to compile the
417 driver as a module, which will be called wdt285.
419 This driver does not work on all machines. In particular, early CATS
420 boards have hardware problems that will cause the machine to simply
421 lock up if the watchdog fires.
423 "If in doubt, leave it out" - say N.
426 tristate "NetWinder WB83C977 watchdog"
427 depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST)
429 Say Y here to include support for the WB977 watchdog included in
430 NetWinder machines. Alternatively say M to compile the driver as
431 a module, which will be called wdt977.
433 Not sure? It's safe to say N.
435 config FTWDT010_WATCHDOG
436 tristate "Faraday Technology FTWDT010 watchdog"
437 depends on ARM || COMPILE_TEST
441 Say Y here if to include support for the Faraday Technology
442 FTWDT010 watchdog timer embedded in the Cortina Systems Gemini
445 To compile this driver as a module, choose M here: the
446 module will be called ftwdt010_wdt.
448 config IXP4XX_WATCHDOG
449 tristate "IXP4xx Watchdog"
450 depends on ARCH_IXP4XX
452 Say Y here if to include support for the watchdog timer
453 in the Intel IXP4xx network processors. This driver can
454 be built as a module by choosing M. The module will
455 be called ixp4xx_wdt.
457 Note: The internal IXP4xx watchdog does a soft CPU reset
458 which doesn't reset any peripherals. There are circumstances
459 where the watchdog will fail to reset the board correctly
460 (e.g., if the boot ROM is in an unreadable state).
462 Say N if you are unsure.
464 config KS8695_WATCHDOG
465 tristate "KS8695 watchdog"
466 depends on ARCH_KS8695
468 Watchdog timer embedded into KS8695 processor. This will reboot your
469 system when the timeout is reached.
471 config HAVE_S3C2410_WATCHDOG
474 This will include watchdog timer support for Samsung SoCs. If
475 you want to include watchdog support for any machine, kindly
476 select this in the respective mach-XXXX/Kconfig file.
478 config S3C2410_WATCHDOG
479 tristate "S3C2410 Watchdog"
480 depends on HAVE_S3C2410_WATCHDOG || COMPILE_TEST
482 select MFD_SYSCON if ARCH_EXYNOS
484 Watchdog timer block in the Samsung SoCs. This will reboot
485 the system when the timer expires with the watchdog enabled.
487 The driver is limited by the speed of the system's PCLK
488 signal, so with reasonably fast systems (PCLK around 50-66MHz)
489 then watchdog intervals of over approximately 20seconds are
492 The driver can be built as a module by choosing M, and will
493 be called s3c2410_wdt
495 config SA1100_WATCHDOG
496 tristate "SA1100/PXA2xx watchdog"
497 depends on ARCH_SA1100 || ARCH_PXA
499 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
500 reboot your system when timeout is reached.
502 NOTE: once enabled, this timer cannot be disabled.
504 To compile this driver as a module, choose M here: the
505 module will be called sa1100_wdt.
508 tristate "Synopsys DesignWare watchdog"
512 Say Y here if to include support for the Synopsys DesignWare
513 watchdog timer found in many chips.
514 To compile this driver as a module, choose M here: the
515 module will be called dw_wdt.
517 config EP93XX_WATCHDOG
518 tristate "EP93xx Watchdog"
519 depends on ARCH_EP93XX || COMPILE_TEST
522 Say Y here if to include support for the watchdog timer
523 embedded in the Cirrus Logic EP93xx family of devices.
525 To compile this driver as a module, choose M here: the
526 module will be called ep93xx_wdt.
529 tristate "OMAP Watchdog"
530 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST
533 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
534 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
536 config PNX4008_WATCHDOG
537 tristate "LPC32XX Watchdog"
538 depends on ARCH_LPC32XX
541 Say Y here if to include support for the watchdog timer
542 in the LPC32XX processor.
543 This driver can be built as a module by choosing M. The module
544 will be called pnx4008_wdt.
546 Say N if you are unsure.
549 tristate "IOP Watchdog"
550 depends on ARCH_IOP13XX
551 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
553 Say Y here if to include support for the watchdog timer
554 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
555 be built as a module by choosing M. The module will
558 Note: The IOP13XX watchdog does an Internal Bus Reset which will
559 affect both cores and the peripherals of the IOP. The ATU-X
560 and/or ATUe configuration registers will remain intact, but if
561 operating as an Root Complex and/or Central Resource, the PCI-X
562 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
564 config DAVINCI_WATCHDOG
565 tristate "DaVinci watchdog"
566 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
569 Say Y here if to include support for the watchdog timer
570 in the DaVinci DM644x/DM646x or Keystone processors.
571 To compile this driver as a module, choose M here: the
572 module will be called davinci_wdt.
574 NOTE: once enabled, this timer cannot be disabled.
575 Say N if you are unsure.
577 config ORION_WATCHDOG
578 tristate "Orion watchdog"
579 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || (COMPILE_TEST && !ARCH_EBSA110)
583 Say Y here if to include support for the watchdog timer
584 in the Marvell Orion5x and Kirkwood ARM SoCs.
585 To compile this driver as a module, choose M here: the
586 module will be called orion_wdt.
588 config RN5T618_WATCHDOG
589 tristate "Ricoh RN5T618 watchdog"
590 depends on MFD_RN5T618 || COMPILE_TEST
593 If you say yes here you get support for watchdog on the Ricoh
596 This driver can also be built as a module. If so, the module
597 will be called rn5t618_wdt.
599 config SUNXI_WATCHDOG
600 tristate "Allwinner SoCs watchdog support"
601 depends on ARCH_SUNXI || COMPILE_TEST
604 Say Y here to include support for the watchdog timer
606 To compile this driver as a module, choose M here: the
607 module will be called sunxi_wdt.
609 config COH901327_WATCHDOG
610 bool "ST-Ericsson COH 901 327 watchdog"
611 depends on ARCH_U300 || (ARM && COMPILE_TEST)
612 default y if MACH_U300
615 Say Y here to include Watchdog timer support for the
616 watchdog embedded into the ST-Ericsson U300 series platforms.
617 This watchdog is used to reset the system and thus cannot be
618 compiled as a module.
620 config NPCM7XX_WATCHDOG
621 bool "Nuvoton NPCM750 watchdog"
622 depends on ARCH_NPCM || COMPILE_TEST
623 default y if ARCH_NPCM7XX
626 Say Y here to include Watchdog timer support for the
627 watchdog embedded into the NPCM7xx.
628 This watchdog is used to reset the system and thus cannot be
629 compiled as a module.
631 config TWL4030_WATCHDOG
632 tristate "TWL4030 Watchdog"
633 depends on TWL4030_CORE
636 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
637 watchdog timer support for TWL4030 chips.
639 config STMP3XXX_RTC_WATCHDOG
640 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
641 depends on RTC_DRV_STMP || COMPILE_TEST
644 Say Y here to include support for the watchdog timer inside
645 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
646 To compile this driver as a module, choose M here: the
647 module will be called stmp3xxx_rtc_wdt.
649 config NUC900_WATCHDOG
650 tristate "Nuvoton NUC900 watchdog"
651 depends on ARCH_W90X900 || COMPILE_TEST
653 Say Y here if to include support for the watchdog timer
654 for the Nuvoton NUC900 series SoCs.
655 To compile this driver as a module, choose M here: the
656 module will be called nuc900_wdt.
658 config TS4800_WATCHDOG
659 tristate "TS-4800 Watchdog"
660 depends on HAS_IOMEM && OF
661 depends on SOC_IMX51 || COMPILE_TEST
665 Technologic Systems TS-4800 has watchdog timer implemented in
666 an external FPGA. Say Y here if you want to support for the
667 watchdog timer on TS-4800 board.
669 config TS72XX_WATCHDOG
670 tristate "TS-72XX SBC Watchdog"
671 depends on MACH_TS72XX || COMPILE_TEST
673 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
674 watchdog timer implemented in a external CPLD chip. Say Y here
675 if you want to support for the watchdog timer on TS-72XX boards.
677 To compile this driver as a module, choose M here: the
678 module will be called ts72xx_wdt.
680 config MAX63XX_WATCHDOG
681 tristate "Max63xx watchdog"
685 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
687 config MAX77620_WATCHDOG
688 tristate "Maxim Max77620 Watchdog Timer"
689 depends on MFD_MAX77620 || COMPILE_TEST
691 This is the driver for the Max77620 watchdog timer.
692 Say 'Y' here to enable the watchdog timer support for
693 MAX77620 chips. To compile this driver as a module,
694 choose M here: the module will be called max77620_wdt.
697 tristate "IMX2+ Watchdog"
698 depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
702 This is the driver for the hardware watchdog
703 on the Freescale IMX2 and later processors.
704 If you have one of these processors and wish to have
705 watchdog support enabled, say Y, otherwise say N.
707 To compile this driver as a module, choose M here: the
708 module will be called imx2_wdt.
711 tristate "IMX SC Watchdog"
712 depends on HAVE_ARM_SMCCC
715 This is the driver for the system controller watchdog
716 on the NXP i.MX SoCs with system controller inside, the
717 watchdog driver will call ARM SMC API and trap into
718 ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware
719 will request system controller to execute the operations.
720 If you have one of these processors and wish to have
721 watchdog support enabled, say Y, otherwise say N.
723 To compile this driver as a module, choose M here: the
724 module will be called imx_sc_wdt.
726 config UX500_WATCHDOG
727 tristate "ST-Ericsson Ux500 watchdog"
728 depends on MFD_DB8500_PRCMU
732 Say Y here to include Watchdog timer support for the watchdog
733 existing in the prcmu of ST-Ericsson Ux500 series platforms.
735 To compile this driver as a module, choose M here: the
736 module will be called ux500_wdt.
739 tristate "Retu watchdog"
743 Retu watchdog driver for Nokia Internet Tablets (770, N800,
744 N810). At least on N800 the watchdog cannot be disabled, so
745 this driver is essential and you should enable it.
747 To compile this driver as a module, choose M here: the
748 module will be called retu_wdt.
751 tristate "MOXART watchdog"
752 depends on ARCH_MOXART || COMPILE_TEST
754 Say Y here to include Watchdog timer support for the watchdog
755 existing on the MOXA ART SoC series platforms.
757 To compile this driver as a module, choose M here: the
758 module will be called moxart_wdt.
760 config SIRFSOC_WATCHDOG
761 tristate "SiRFSOC watchdog"
762 depends on ARCH_SIRF || COMPILE_TEST
766 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
767 the watchdog triggers the system will be reset.
769 config ST_LPC_WATCHDOG
770 tristate "STMicroelectronics LPC Watchdog"
771 depends on ARCH_STI || COMPILE_TEST
775 Say Y here to include STMicroelectronics Low Power Controller
776 (LPC) based Watchdog timer support.
778 To compile this driver as a module, choose M here: the
779 module will be called st_lpc_wdt.
781 config TEGRA_WATCHDOG
782 tristate "Tegra watchdog"
783 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
786 Say Y here to include support for the watchdog timer
787 embedded in NVIDIA Tegra SoCs.
789 To compile this driver as a module, choose M here: the
790 module will be called tegra_wdt.
793 tristate "QCOM watchdog"
795 depends on ARCH_QCOM || COMPILE_TEST
798 Say Y here to include Watchdog timer support for the watchdog found
799 on QCOM chipsets. Currently supported targets are the MSM8960,
800 APQ8064, and IPQ8064.
802 To compile this driver as a module, choose M here: the
803 module will be called qcom_wdt.
805 config MESON_GXBB_WATCHDOG
806 tristate "Amlogic Meson GXBB SoCs watchdog support"
807 depends on ARCH_MESON || COMPILE_TEST
810 Say Y here to include support for the watchdog timer
811 in Amlogic Meson GXBB SoCs.
812 To compile this driver as a module, choose M here: the
813 module will be called meson_gxbb_wdt.
815 config MESON_WATCHDOG
816 tristate "Amlogic Meson SoCs watchdog support"
817 depends on ARCH_MESON || COMPILE_TEST
820 Say Y here to include support for the watchdog timer
821 in Amlogic Meson SoCs.
822 To compile this driver as a module, choose M here: the
823 module will be called meson_wdt.
825 config MEDIATEK_WATCHDOG
826 tristate "Mediatek SoCs watchdog support"
827 depends on ARCH_MEDIATEK || COMPILE_TEST
830 Say Y here to include support for the watchdog timer
832 To compile this driver as a module, choose M here: the
833 module will be called mtk_wdt.
835 config DIGICOLOR_WATCHDOG
836 tristate "Conexant Digicolor SoCs watchdog support"
837 depends on ARCH_DIGICOLOR || COMPILE_TEST
840 Say Y here to include support for the watchdog timer
841 in Conexant Digicolor SoCs.
842 To compile this driver as a module, choose M here: the
843 module will be called digicolor_wdt.
845 config LPC18XX_WATCHDOG
846 tristate "LPC18xx/43xx Watchdog"
847 depends on ARCH_LPC18XX || COMPILE_TEST
851 Say Y here if to include support for the watchdog timer
852 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
854 To compile this driver as a module, choose M here: the
855 module will be called lpc18xx_wdt.
857 config ATLAS7_WATCHDOG
858 tristate "CSRatlas7 watchdog"
859 depends on ARCH_ATLAS7 || COMPILE_TEST
861 Say Y here to include Watchdog timer support for the watchdog
862 existing on the CSRatlas7 series platforms.
864 To compile this driver as a module, choose M here: the
865 module will be called atlas7_wdt.
868 tristate "Renesas WDT Watchdog"
869 depends on ARCH_RENESAS || COMPILE_TEST
872 This driver adds watchdog support for the integrated watchdogs in the
873 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
875 config RENESAS_RZAWDT
876 tristate "Renesas RZ/A WDT Watchdog"
877 depends on ARCH_RENESAS || COMPILE_TEST
880 This driver adds watchdog support for the integrated watchdogs in the
881 Renesas RZ/A SoCs. These watchdogs can be used to reset a system.
883 config ASPEED_WATCHDOG
884 tristate "Aspeed BMC watchdog support"
885 depends on ARCH_ASPEED || COMPILE_TEST
888 Say Y here to include support for the watchdog timer
891 This driver is required to reboot the SoC.
893 To compile this driver as a module, choose M here: the
894 module will be called aspeed_wdt.
896 config ZX2967_WATCHDOG
897 tristate "ZTE zx2967 SoCs watchdog support"
901 Say Y here to include support for the watchdog timer
903 To compile this driver as a module, choose M here: the
904 module will be called zx2967_wdt.
906 config STM32_WATCHDOG
907 tristate "STM32 Independent WatchDoG (IWDG) support"
908 depends on ARCH_STM32
912 Say Y here to include support for the watchdog timer
915 To compile this driver as a module, choose M here: the
916 module will be called stm32_iwdg.
918 config STPMIC1_WATCHDOG
919 tristate "STPMIC1 PMIC watchdog support"
920 depends on MFD_STPMIC1
923 Say Y here to include watchdog support embedded into STPMIC1 PMIC.
924 If the watchdog timer expires, stpmic1 will shut down all its power
927 To compile this driver as a module, choose M here: the
928 module will be called spmic1_wdt.
930 config UNIPHIER_WATCHDOG
931 tristate "UniPhier watchdog support"
932 depends on ARCH_UNIPHIER || COMPILE_TEST
933 depends on OF && MFD_SYSCON
936 Say Y here to include support watchdog timer embedded
937 into the UniPhier system.
939 To compile this driver as a module, choose M here: the
940 module will be called uniphier_wdt.
942 config RTD119X_WATCHDOG
943 bool "Realtek RTD119x/RTD129x watchdog support"
944 depends on ARCH_REALTEK || COMPILE_TEST
949 Say Y here to include support for the watchdog timer in
950 Realtek RTD1295 SoCs.
953 tristate "Spreadtrum watchdog support"
954 depends on ARCH_SPRD || COMPILE_TEST
957 Say Y here to include watchdog timer supported
958 by Spreadtrum system.
960 config PM8916_WATCHDOG
961 tristate "QCOM PM8916 pmic watchdog"
962 depends on OF && MFD_SPMI_PMIC
965 Say Y here to include support watchdog timer embedded into the
968 # X86 (i386 + ia64 + x86_64) Architecture
971 tristate "Acquire SBC Watchdog Timer"
974 This is the driver for the hardware watchdog on Single Board
975 Computers produced by Acquire Inc (and others). This watchdog
976 simply watches your kernel to make sure it doesn't freeze, and if
977 it does, it reboots your computer after a certain amount of time.
979 To compile this driver as a module, choose M here: the
980 module will be called acquirewdt.
982 Most people will say N.
985 tristate "Advantech SBC Watchdog Timer"
988 If you are configuring a Linux kernel for the Advantech single-board
989 computer, say `Y' here to support its built-in watchdog timer
990 feature. More information can be found at
991 <http://www.advantech.com.tw/products/>
994 tristate "ALi M1535 PMU Watchdog Timer"
995 depends on X86 && PCI
997 This is the driver for the hardware watchdog on the ALi M1535 PMU.
999 To compile this driver as a module, choose M here: the
1000 module will be called alim1535_wdt.
1002 Most people will say N.
1005 tristate "ALi M7101 PMU Computer Watchdog"
1008 This is the driver for the hardware watchdog on the ALi M7101 PMU
1009 as used in the x86 Cobalt servers and also found in some
1010 SPARC Netra servers too.
1012 To compile this driver as a module, choose M here: the
1013 module will be called alim7101_wdt.
1015 Most people will say N.
1018 tristate "WinSystems EBC-C384 Watchdog Timer"
1021 select WATCHDOG_CORE
1023 Enables watchdog timer support for the watchdog timer on the
1024 WinSystems EBC-C384 motherboard. The timeout may be configured via
1025 the timeout module parameter.
1028 tristate "Fintek F718xx, F818xx Super I/O Watchdog"
1031 This is the driver for the hardware watchdog on the Fintek F71808E,
1032 F71862FG, F71868, F71869, F71882FG, F71889FG, F81865 and F81866
1033 Super I/O controllers.
1035 You can compile this driver directly into the kernel, or use
1036 it as a module. The module will be called f71808e_wdt.
1039 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
1040 depends on X86 && PCI
1041 select WATCHDOG_CORE
1043 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
1044 (Total Cost of Ownership) timer is a watchdog timer that will reboot
1045 the machine after its expiration. The expiration time can be
1046 configured with the "heartbeat" parameter.
1048 To compile this driver as a module, choose M here: the
1049 module will be called sp5100_tco.
1052 tristate "AMD Geode CS5535/CS5536 Watchdog"
1053 depends on CS5535_MFGPT
1055 This driver enables a watchdog capability built into the
1056 CS5535/CS5536 companion chips for the AMD Geode GX and LX
1057 processors. This watchdog watches your kernel to make sure
1058 it doesn't freeze, and if it does, it reboots your computer after
1059 a certain amount of time.
1061 You can compile this driver directly into the kernel, or use
1062 it as a module. The module will be called geodewdt.
1065 tristate "AMD Elan SC520 processor Watchdog"
1066 depends on MELAN || COMPILE_TEST
1068 This is the driver for the hardware watchdog built in to the
1069 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
1070 This watchdog simply watches your kernel to make sure it doesn't
1071 freeze, and if it does, it reboots your computer after a certain
1074 You can compile this driver directly into the kernel, or use
1075 it as a module. The module will be called sc520_wdt.
1077 config SBC_FITPC2_WATCHDOG
1078 tristate "Compulab SBC-FITPC2 watchdog"
1081 This is the driver for the built-in watchdog timer on the fit-PC2,
1082 fit-PC2i, CM-iAM single-board computers made by Compulab.
1084 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
1085 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
1087 Entering BIOS setup temporary disables watchdog operation regardless to current state,
1088 so system will not be restarted while user in BIOS setup.
1090 Once watchdog was enabled the system will be restarted every
1091 "Watchdog Timer Value" period, so to prevent it user can restart or
1092 disable the watchdog.
1094 To compile this driver as a module, choose M here: the
1095 module will be called sbc_fitpc2_wdt.
1097 Most people will say N.
1100 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
1103 Enable support for the watchdog timer on the Eurotech CPU-1220 and
1104 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
1105 information are at <http://www.eurotech.it/>.
1108 tristate "IB700 SBC Watchdog Timer"
1111 This is the driver for the hardware watchdog on the IB700 Single
1112 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
1113 simply watches your kernel to make sure it doesn't freeze, and if
1114 it does, it reboots your computer after a certain amount of time.
1116 This driver is like the WDT501 driver but for slightly different hardware.
1118 To compile this driver as a module, choose M here: the
1119 module will be called ib700wdt.
1121 Most people will say N.
1124 tristate "IBM Automatic Server Restart"
1127 This is the driver for the IBM Automatic Server Restart watchdog
1128 timer built-in into some eServer xSeries machines.
1130 To compile this driver as a module, choose M here: the
1131 module will be called ibmasr.
1134 tristate "ICP Single Board Computer Watchdog Timer"
1137 This is a driver for the hardware watchdog on the ICP Single
1138 Board Computer. This driver is working on (at least) the following
1139 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
1141 To compile this driver as a module, choose M here: the
1142 module will be called wafer5823wdt.
1145 tristate "Intel 6300ESB Timer/Watchdog"
1147 select WATCHDOG_CORE
1149 Hardware driver for the watchdog timer built into the Intel
1150 6300ESB controller hub.
1152 To compile this driver as a module, choose M here: the
1153 module will be called i6300esb.
1156 tristate "Intel Atom E6xx Watchdog"
1157 depends on X86 && PCI
1158 select WATCHDOG_CORE
1162 Hardware driver for the watchdog timer built into the Intel
1163 Atom E6XX (TunnelCreek) processor.
1165 To compile this driver as a module, choose M here: the
1166 module will be called ie6xx_wdt.
1168 config INTEL_SCU_WATCHDOG
1169 bool "Intel SCU Watchdog for Mobile Platforms"
1170 depends on X86_INTEL_MID
1172 Hardware driver for the watchdog time built into the Intel SCU
1173 for Intel Mobile Platforms.
1175 To compile this driver as a module, choose M here.
1177 config INTEL_MID_WATCHDOG
1178 tristate "Intel MID Watchdog Timer"
1179 depends on X86_INTEL_MID
1180 select WATCHDOG_CORE
1182 Watchdog timer driver built into the Intel SCU for Intel MID
1185 This driver currently supports only the watchdog evolution
1186 implementation in SCU, available for Merrifield generation.
1188 To compile this driver as a module, choose M here.
1191 tristate "Intel TCO Timer/Watchdog"
1192 depends on (X86 || IA64) && PCI
1193 select WATCHDOG_CORE
1194 depends on I2C || I2C=n
1195 select LPC_ICH if !EXPERT
1196 select I2C_I801 if !EXPERT && I2C
1198 Hardware driver for the intel TCO timer based watchdog devices.
1199 These drivers are included in the Intel 82801 I/O Controller
1200 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
1203 The TCO (Total Cost of Ownership) timer is a watchdog timer
1204 that will reboot the machine after its second expiration. The
1205 expiration time can be configured with the "heartbeat" parameter.
1207 On some motherboards the driver may fail to reset the chipset's
1208 NO_REBOOT flag which prevents the watchdog from rebooting the
1209 machine. If this is the case you will get a kernel message like
1210 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1212 To compile this driver as a module, choose M here: the
1213 module will be called iTCO_wdt.
1215 config ITCO_VENDOR_SUPPORT
1216 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
1219 Add vendor specific support to the intel TCO timer based watchdog
1220 devices. At this moment we only have additional support for some
1221 SuperMicro Inc. motherboards.
1224 tristate "IT8712F (Smart Guardian) Watchdog Timer"
1227 This is the driver for the built-in watchdog timer on the IT8712F
1228 Super I/0 chipset used on many motherboards.
1230 If the driver does not work, then make sure that the game port in
1231 the BIOS is enabled.
1233 To compile this driver as a module, choose M here: the
1234 module will be called it8712f_wdt.
1237 tristate "IT87 Watchdog Timer"
1239 select WATCHDOG_CORE
1241 This is the driver for the hardware watchdog on the ITE IT8607,
1242 IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702,
1243 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and
1244 IT8783 Super I/O chips.
1246 This watchdog simply watches your kernel to make sure it doesn't
1247 freeze, and if it does, it reboots your computer after a certain
1250 To compile this driver as a module, choose M here: the module will
1254 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
1255 select WATCHDOG_CORE
1256 depends on X86 && PCI
1258 A software monitoring watchdog and NMI handling driver. This driver
1259 will detect lockups and provide a stack trace. This is a driver that
1260 will only load on an HP ProLiant system with a minimum of iLO2 support.
1261 To compile this driver as a module, choose M here: the module will be
1265 tristate "Kontron COM Watchdog Timer"
1266 depends on MFD_KEMPLD
1267 select WATCHDOG_CORE
1269 Support for the PLD watchdog on some Kontron ETX and COMexpress
1270 (ETXexpress) modules
1272 This driver can also be built as a module. If so, the module will be
1275 config HPWDT_NMI_DECODING
1276 bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
1277 depends on HP_WATCHDOG
1280 Enables the NMI handler for the watchdog pretimeout NMI and the iLO
1281 "Generate NMI to System" virtual button. When an NMI is claimed
1282 by the driver, panic is called.
1285 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1288 This is a driver for National Semiconductor PC87307/PC97307 hardware
1289 watchdog cards as found on the SC1200. This watchdog is mainly used
1290 for power management purposes and can be used to power down the device
1291 during inactivity periods (includes interrupt activity monitoring).
1293 To compile this driver as a module, choose M here: the
1294 module will be called sc1200wdt.
1296 Most people will say N.
1299 tristate "National Semiconductor SCx200 Watchdog"
1300 depends on SCx200 && PCI
1302 Enable the built-in watchdog timer support on the National
1303 Semiconductor SCx200 processors.
1305 If compiled as a module, it will be called scx200_wdt.
1308 tristate "NS PC87413 watchdog"
1311 This is the driver for the hardware watchdog on the PC87413 chipset
1312 This watchdog simply watches your kernel to make sure it doesn't
1313 freeze, and if it does, it reboots your computer after a certain
1316 To compile this driver as a module, choose M here: the
1317 module will be called pc87413_wdt.
1319 Most people will say N.
1322 tristate "nVidia TCO Timer/Watchdog"
1323 depends on X86 && PCI
1325 Hardware driver for the TCO timer built into the nVidia Hub family
1326 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
1327 watchdog timer that will reboot the machine after its second
1328 expiration. The expiration time can be configured with the
1329 "heartbeat" parameter.
1331 On some motherboards the driver may fail to reset the chipset's
1332 NO_REBOOT flag which prevents the watchdog from rebooting the
1333 machine. If this is the case you will get a kernel message like
1334 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1336 To compile this driver as a module, choose M here: the
1337 module will be called nv_tco.
1340 tristate "RDC R-321x SoC watchdog"
1341 depends on X86_RDC321X || COMPILE_TEST
1344 This is the driver for the built in hardware watchdog
1345 in the RDC R-321x SoC.
1347 To compile this driver as a module, choose M here: the
1348 module will be called rdc321x_wdt.
1351 tristate "SBC-60XX Watchdog Timer"
1354 This driver can be used with the watchdog timer found on some
1355 single board computers, namely the 6010 PII based computer.
1356 It may well work with other cards. It reads port 0x443 to enable
1357 and re-set the watchdog timer, and reads port 0x45 to disable
1358 the watchdog. If you have a card that behave in similar ways,
1359 you can probably make this driver work with your card as well.
1361 You can compile this driver directly into the kernel, or use
1362 it as a module. The module will be called sbc60xxwdt.
1365 tristate "SBC8360 Watchdog Timer"
1369 This is the driver for the hardware watchdog on the SBC8360 Single
1370 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1372 To compile this driver as a module, choose M here: the
1373 module will be called sbc8360.
1375 Most people will say N.
1378 tristate "SBC Nano 7240 Watchdog Timer"
1379 depends on X86_32 && !UML
1381 This is the driver for the hardware watchdog found on the IEI
1382 single board computers EPIC Nano 7240 (and likely others). This
1383 watchdog simply watches your kernel to make sure it doesn't freeze,
1384 and if it does, it reboots your computer after a certain amount of
1387 To compile this driver as a module, choose M here: the
1388 module will be called sbc7240_wdt.
1391 tristate "SMA CPU5 Watchdog"
1395 To compile this driver as a module, choose M here: the
1396 module will be called cpu5wdt.
1398 config SMSC_SCH311X_WDT
1399 tristate "SMSC SCH311X Watchdog Timer"
1402 This is the driver for the hardware watchdog timer on the
1403 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1404 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1407 To compile this driver as a module, choose M here: the
1408 module will be called sch311x_wdt.
1410 config SMSC37B787_WDT
1411 tristate "Winbond SMsC37B787 Watchdog Timer"
1414 This is the driver for the hardware watchdog component on the
1415 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1416 from Vision Systems and maybe others.
1418 This watchdog simply watches your kernel to make sure it doesn't
1419 freeze, and if it does, it reboots your computer after a certain
1422 Usually a userspace daemon will notify the kernel WDT driver that
1423 userspace is still alive, at regular intervals.
1425 To compile this driver as a module, choose M here: the
1426 module will be called smsc37b787_wdt.
1428 Most people will say N.
1431 tristate "TQ-Systems TQMX86 Watchdog Timer"
1434 This is the driver for the hardware watchdog timer in the TQMX86 IO
1435 controller found on some of their ComExpress Modules.
1437 To compile this driver as a module, choose M here; the module
1438 will be called tqmx86_wdt.
1440 Most people will say N.
1443 tristate "VIA Watchdog Timer"
1444 depends on X86 && PCI
1445 select WATCHDOG_CORE
1447 This is the driver for the hardware watchdog timer on VIA
1448 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1450 To compile this driver as a module, choose M here; the module
1451 will be called via_wdt.
1453 Most people will say N.
1456 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1458 select WATCHDOG_CORE
1460 This is the driver for the hardware watchdog on the following
1462 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1475 This watchdog simply watches your kernel to make sure it doesn't
1476 freeze, and if it does, it reboots your computer after a certain
1479 To compile this driver as a module, choose M here: the
1480 module will be called w83627hf_wdt.
1482 Most people will say N.
1485 tristate "W83877F (EMACS) Watchdog Timer"
1488 This is the driver for the hardware watchdog on the W83877F chipset
1489 as used in EMACS PC-104 motherboards (and likely others). This
1490 watchdog simply watches your kernel to make sure it doesn't freeze,
1491 and if it does, it reboots your computer after a certain amount of
1494 To compile this driver as a module, choose M here: the
1495 module will be called w83877f_wdt.
1497 Most people will say N.
1500 tristate "W83977F (PCM-5335) Watchdog Timer"
1503 This is the driver for the hardware watchdog on the W83977F I/O chip
1504 as used in AAEON's PCM-5335 SBC (and likely others). This
1505 watchdog simply watches your kernel to make sure it doesn't freeze,
1506 and if it does, it reboots your computer after a certain amount of
1509 To compile this driver as a module, choose M here: the
1510 module will be called w83977f_wdt.
1513 tristate "ZF MachZ Watchdog"
1516 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1517 N. This is the driver for the watchdog timer built-in on that
1518 processor using ZF-Logic interface. This watchdog simply watches
1519 your kernel to make sure it doesn't freeze, and if it does, it
1520 reboots your computer after a certain amount of time.
1522 To compile this driver as a module, choose M here: the
1523 module will be called machzwd.
1525 config SBC_EPX_C3_WATCHDOG
1526 tristate "Winsystems SBC EPX-C3 watchdog"
1529 This is the driver for the built-in watchdog timer on the EPX-C3
1530 Single-board computer made by Winsystems, Inc.
1532 *Note*: This hardware watchdog is not probeable and thus there
1533 is no way to know if writing to its IO address will corrupt
1534 your system or have any real effect. The only way to be sure
1535 that this driver does what you want is to make sure you
1536 are running it on an EPX-C3 from Winsystems with the watchdog
1537 timer at IO address 0x1ee and 0x1ef. It will write to both those
1538 IO ports. Basically, the assumption is made that if you compile
1539 this driver into your kernel and/or load it as a module, that you
1540 know what you are doing and that you are in fact running on an
1543 To compile this driver as a module, choose M here: the
1544 module will be called sbc_epx_c3.
1546 config INTEL_MEI_WDT
1547 tristate "Intel MEI iAMT Watchdog"
1548 depends on INTEL_MEI && X86
1549 select WATCHDOG_CORE
1551 A device driver for the Intel MEI iAMT watchdog.
1553 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1554 Whenever the OS hangs or crashes, iAMT will send an event
1555 to any subscriber to this event. The watchdog doesn't reset the
1558 To compile this driver as a module, choose M here:
1559 the module will be called mei_wdt.
1562 tristate "NI 903x/913x Watchdog"
1563 depends on X86 && ACPI
1564 select WATCHDOG_CORE
1566 This is the driver for the watchdog timer on the National Instruments
1567 903x/913x real-time controllers.
1569 To compile this driver as a module, choose M here: the module will be
1573 tristate "NIC7018 Watchdog"
1574 depends on X86 && ACPI
1575 select WATCHDOG_CORE
1577 Support for National Instruments NIC7018 Watchdog.
1579 To compile this driver as a module, choose M here: the module will be
1584 config M54xx_WATCHDOG
1585 tristate "MCF54xx watchdog support"
1588 To compile this driver as a module, choose M here: the
1589 module will be called m54xx_wdt.
1591 # MicroBlaze Architecture
1596 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1597 depends on ATH79 || (ARM && COMPILE_TEST)
1599 Hardware driver for the built-in watchdog timer on the Atheros
1600 AR71XX/AR724X/AR913X SoCs.
1603 tristate "Broadcom BCM47xx Watchdog Timer"
1604 depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
1605 select WATCHDOG_CORE
1607 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1610 tristate "IDT RC32434 SoC Watchdog Timer"
1611 depends on MIKROTIK_RB532
1613 Hardware driver for the IDT RC32434 SoC built-in
1616 To compile this driver as a module, choose M here: the
1617 module will be called rc32434_wdt.
1620 tristate "Indy/I2 Hardware Watchdog"
1621 depends on SGI_HAS_INDYDOG
1623 Hardware driver for the Indy's/I2's watchdog. This is a
1624 watchdog timer that will reboot the machine after a 60 second
1625 timer expired and no process has written to /dev/watchdog during
1629 tristate "Ingenic jz4740 SoC hardware watchdog"
1630 depends on MACH_JZ4740 || MACH_JZ4780
1631 select WATCHDOG_CORE
1633 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1636 tristate "MTX-1 Hardware Watchdog"
1637 depends on MIPS_MTX1 || (MIPS && COMPILE_TEST)
1639 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1640 will reboot the machine after a 100 seconds timer expired.
1643 tristate "PNX833x Hardware Watchdog"
1644 depends on SOC_PNX8335
1647 Hardware driver for the PNX833x's watchdog. This is a
1648 watchdog timer that will reboot the machine after a programmable
1649 timer has expired and no process has written to /dev/watchdog during
1653 tristate "Sibyte SoC hardware watchdog"
1654 depends on CPU_SB1 || (MIPS && COMPILE_TEST)
1656 Watchdog driver for the built in watchdog hardware in Sibyte
1657 SoC processors. There are apparently two watchdog timers
1658 on such processors; this driver supports only the first one,
1659 because currently Linux only supports exporting one watchdog
1662 To compile this driver as a loadable module, choose M here.
1663 The module will be called sb_wdog.
1666 tristate "TI AR7 Watchdog Timer"
1667 depends on AR7 || (MIPS && COMPILE_TEST)
1669 Hardware driver for the TI AR7 Watchdog Timer.
1672 tristate "Toshiba TXx9 Watchdog Timer"
1673 depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST)
1674 select WATCHDOG_CORE
1676 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1679 tristate "Cavium OCTEON SOC family Watchdog Timer"
1680 depends on CAVIUM_OCTEON_SOC
1682 select WATCHDOG_CORE
1683 select EXPORT_UASM if OCTEON_WDT = m
1685 Hardware driver for OCTEON's on chip watchdog timer.
1686 Enables the watchdog for all cores running Linux. It
1687 installs a NMI handler and pokes the watchdog based on an
1688 interrupt. On first expiration of the watchdog, the
1689 interrupt handler pokes it. The second expiration causes an
1690 NMI that prints a message. The third expiration causes a
1693 When userspace has /dev/watchdog open, no poking is done
1694 from the first interrupt, it is then only poked when the
1698 tristate "Broadcom BCM63xx hardware watchdog"
1701 Watchdog driver for the built in watchdog hardware in Broadcom
1704 To compile this driver as a loadable module, choose M here.
1705 The module will be called bcm63xx_wdt.
1708 tristate "Broadcom BCM2835 hardware watchdog"
1709 depends on ARCH_BCM2835 || (OF && COMPILE_TEST)
1710 select WATCHDOG_CORE
1712 Watchdog driver for the built in watchdog hardware in Broadcom
1715 To compile this driver as a loadable module, choose M here.
1716 The module will be called bcm2835_wdt.
1719 tristate "BCM Kona Watchdog"
1720 depends on ARCH_BCM_MOBILE || COMPILE_TEST
1721 select WATCHDOG_CORE
1723 Support for the watchdog timer on the following Broadcom BCM281xx
1724 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1727 Say 'Y' or 'M' here to enable the driver. The module will be called
1730 config BCM_KONA_WDT_DEBUG
1731 bool "DEBUGFS support for BCM Kona Watchdog"
1732 depends on BCM_KONA_WDT || COMPILE_TEST
1734 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1735 access to the driver's internal data structures as well as watchdog
1736 timer hardware registres.
1738 If in doubt, say 'N'.
1741 tristate "BCM7038 Watchdog"
1742 select WATCHDOG_CORE
1743 depends on HAS_IOMEM
1744 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1746 Watchdog driver for the built-in hardware in Broadcom 7038 and
1747 later SoCs used in set-top boxes. BCM7038 was made public
1748 during the 2004 CES, and since then, many Broadcom chips use this
1749 watchdog block, including some cable modem chips.
1752 tristate "Imagination Technologies PDC Watchdog Timer"
1753 depends on HAS_IOMEM
1754 depends on MIPS || COMPILE_TEST
1755 select WATCHDOG_CORE
1757 Driver for Imagination Technologies PowerDown Controller
1760 To compile this driver as a loadable module, choose M here.
1761 The module will be called imgpdc_wdt.
1764 tristate "Lantiq SoC watchdog"
1766 select WATCHDOG_CORE
1768 Hardware driver for the Lantiq SoC Watchdog Timer.
1770 config LOONGSON1_WDT
1771 tristate "Loongson1 SoC hardware watchdog"
1772 depends on MACH_LOONGSON32
1773 select WATCHDOG_CORE
1775 Hardware driver for the Loongson1 SoC Watchdog Timer.
1778 tristate "Ralink SoC watchdog"
1779 select WATCHDOG_CORE
1782 Hardware driver for the Ralink SoC Watchdog Timer.
1785 tristate "Mediatek SoC watchdog"
1786 select WATCHDOG_CORE
1787 depends on SOC_MT7620 || SOC_MT7621
1789 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1792 tristate "Microchip PIC32 hardware watchdog"
1793 select WATCHDOG_CORE
1794 depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1796 Watchdog driver for the built in watchdog hardware in a PIC32.
1798 Configuration bits must be set appropriately for the watchdog to be
1799 controlled by this driver.
1801 To compile this driver as a loadable module, choose M here.
1802 The module will be called pic32-wdt.
1805 tristate "Microchip PIC32 Deadman Timer"
1806 select WATCHDOG_CORE
1807 depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1809 Watchdog driver for PIC32 instruction fetch counting timer. This specific
1810 timer is typically be used in misson critical and safety critical
1811 applications, where any single failure of the software functionality
1812 and sequencing must be detected.
1814 To compile this driver as a loadable module, choose M here.
1815 The module will be called pic32-dmt.
1817 # PARISC Architecture
1819 # POWERPC Architecture
1822 tristate "GE Watchdog Timer"
1825 Watchdog timer found in a number of GE single board computers.
1828 bool "MPC52xx Watchdog Timer"
1829 depends on PPC_MPC52xx || COMPILE_TEST
1831 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1834 tristate "MPC8xxx Platform Watchdog Timer"
1835 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1836 select WATCHDOG_CORE
1838 This driver is for a SoC level watchdog that exists on some
1839 Freescale PowerPC processors. So far this driver supports:
1844 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1847 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1848 depends on MV64X60 || COMPILE_TEST
1851 tristate "PIKA FPGA Watchdog"
1852 depends on WARP || (PPC64 && COMPILE_TEST)
1855 This enables the watchdog in the PIKA FPGA. Currently used on
1859 tristate "PowerPC Book-E Watchdog Timer"
1860 depends on BOOKE || 4xx
1861 select WATCHDOG_CORE
1863 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1864 MPC85xx SOCs and the IBM PowerPC 440.
1866 Please see Documentation/watchdog/watchdog-api.txt for
1869 config BOOKE_WDT_DEFAULT_TIMEOUT
1870 int "PowerPC Book-E Watchdog Timer Default Timeout"
1871 depends on BOOKE_WDT
1872 default 38 if PPC_FSL_BOOK3E
1873 range 0 63 if PPC_FSL_BOOK3E
1874 default 3 if !PPC_FSL_BOOK3E
1875 range 0 3 if !PPC_FSL_BOOK3E
1877 Select the default watchdog timer period to be used by the PowerPC
1878 Book-E watchdog driver. A watchdog "event" occurs when the bit
1879 position represented by this number transitions from zero to one.
1881 For Freescale Book-E processors, this is a number between 0 and 63.
1882 For other Book-E processors, this is a number between 0 and 3.
1884 The value can be overridden by the wdt_period command-line parameter.
1887 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1888 select WATCHDOG_CORE
1889 depends on GPIOLIB || COMPILE_TEST
1891 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1893 The driver can also be built as a module. If so, the module will be
1896 If unsure select N here.
1898 # PPC64 Architecture
1900 config WATCHDOG_RTAS
1901 tristate "RTAS watchdog"
1904 This driver adds watchdog support for the RTAS watchdog.
1906 To compile this driver as a module, choose M here. The module
1907 will be called wdrtas.
1911 config DIAG288_WATCHDOG
1912 tristate "System z diag288 Watchdog"
1914 select WATCHDOG_CORE
1916 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1917 provide a virtual watchdog timer to their guest that cause a
1918 user define Control Program command to be executed after a
1920 LPAR provides a very similar interface. This driver handles
1923 To compile this driver as a module, choose M here. The module
1924 will be called diag288_wdt.
1926 # SUPERH (sh + sh64) Architecture
1929 tristate "SuperH Watchdog"
1930 depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST)
1931 select WATCHDOG_CORE
1933 This driver adds watchdog support for the integrated watchdog in the
1934 SuperH processors. If you have one of these processors and wish
1935 to have watchdog support enabled, say Y, otherwise say N.
1937 As a side note, saying Y here will automatically boost HZ to 1000
1938 so that the timer has a chance to clear the overflow counter. On
1939 slower systems (such as the SH-2 and SH-3) this will likely yield
1940 some performance issues. As such, the WDT should be avoided here
1941 unless it is absolutely necessary.
1943 To compile this driver as a module, choose M here: the
1944 module will be called shwdt.
1946 # SPARC Architecture
1948 # SPARC64 Architecture
1950 config WATCHDOG_CP1XXX
1951 tristate "CP1XXX Hardware Watchdog support"
1952 depends on SPARC64 && PCI
1954 This is the driver for the hardware watchdog timers present on
1955 Sun Microsystems CompactPCI models CP1400 and CP1500.
1957 To compile this driver as a module, choose M here: the
1958 module will be called cpwatchdog.
1960 If you do not have a CompactPCI model CP1400 or CP1500, or
1961 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1962 you should say N to this option.
1965 tristate "RIO Hardware Watchdog support"
1966 depends on SPARC64 && PCI
1968 Say Y here to support the hardware watchdog capability on Sun RIO
1969 machines. The watchdog timeout period is normally one minute but
1970 can be changed with a boot-time parameter.
1972 config WATCHDOG_SUN4V
1973 tristate "Sun4v Watchdog support"
1974 select WATCHDOG_CORE
1977 Say Y here to support the hypervisor watchdog capability embedded
1978 in the SPARC sun4v architecture.
1980 To compile this driver as a module, choose M here. The module will
1981 be called sun4v_wdt.
1983 # XTENSA Architecture
1988 tristate "Xen Watchdog support"
1990 select WATCHDOG_CORE
1992 Say Y here to support the hypervisor watchdog capability provided
1993 by Xen 4.0 and newer. The watchdog timeout period is normally one
1994 minute but can be changed with a boot-time parameter.
1997 tristate "UML watchdog"
1998 depends on UML || COMPILE_TEST
2001 # ISA-based Watchdog Cards
2004 comment "ISA-based Watchdog Cards"
2008 tristate "Berkshire Products ISA-PC Watchdog"
2011 This is the driver for the Berkshire Products ISA-PC Watchdog card.
2012 This card simply watches your kernel to make sure it doesn't freeze,
2013 and if it does, it reboots your computer after a certain amount of
2014 time. This driver is like the WDT501 driver but for different
2015 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
2016 watchdog cards can be ordered from <http://www.berkprod.com/>.
2018 To compile this driver as a module, choose M here: the
2019 module will be called pcwd.
2021 Most people will say N.
2024 tristate "Mixcom Watchdog"
2027 This is a driver for the Mixcom hardware watchdog cards. This
2028 watchdog simply watches your kernel to make sure it doesn't freeze,
2029 and if it does, it reboots your computer after a certain amount of
2032 To compile this driver as a module, choose M here: the
2033 module will be called mixcomwd.
2035 Most people will say N.
2038 tristate "WDT Watchdog timer"
2041 If you have a WDT500P or WDT501P watchdog board, say Y here,
2042 otherwise N. It is not possible to probe for this board, which means
2043 that you have to inform the kernel about the IO port and IRQ that
2044 is needed (you can do this via the io and irq parameters)
2046 To compile this driver as a module, choose M here: the
2047 module will be called wdt.
2050 # PCI-based Watchdog Cards
2053 comment "PCI-based Watchdog Cards"
2056 config PCIPCWATCHDOG
2057 tristate "Berkshire Products PCI-PC Watchdog"
2060 This is the driver for the Berkshire Products PCI-PC Watchdog card.
2061 This card simply watches your kernel to make sure it doesn't freeze,
2062 and if it does, it reboots your computer after a certain amount of
2063 time. The card can also monitor the internal temperature of the PC.
2064 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
2066 To compile this driver as a module, choose M here: the
2067 module will be called pcwd_pci.
2069 Most people will say N.
2072 tristate "PCI-WDT500/501 Watchdog timer"
2075 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
2077 If you have a PCI-WDT501 watchdog board then you can enable the
2078 temperature sensor by setting the type parameter to 501.
2080 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
2081 can do this via the tachometer parameter. Only do this if you have a
2082 fan tachometer actually set up.
2084 To compile this driver as a module, choose M here: the
2085 module will be called wdt_pci.
2088 # USB-based Watchdog Cards
2091 comment "USB-based Watchdog Cards"
2094 config USBPCWATCHDOG
2095 tristate "Berkshire Products USB-PC Watchdog"
2098 This is the driver for the Berkshire Products USB-PC Watchdog card.
2099 This card simply watches your kernel to make sure it doesn't freeze,
2100 and if it does, it reboots your computer after a certain amount of
2101 time. The card can also monitor the internal temperature of the PC.
2102 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
2104 To compile this driver as a module, choose M here: the
2105 module will be called pcwd_usb.
2107 Most people will say N.