1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 25e53c8edSJean-Baptiste Theou 3b7e04f8cSWim Van Sebroeck# 4b7e04f8cSWim Van Sebroeck# Watchdog device configuration 5b7e04f8cSWim Van Sebroeck# 6b7e04f8cSWim Van Sebroeck 7b7e04f8cSWim Van Sebroeckmenuconfig WATCHDOG 8b7e04f8cSWim Van Sebroeck bool "Watchdog Timer Support" 9a7f7f624SMasahiro Yamada help 10b7e04f8cSWim Van Sebroeck If you say Y here (and to one of the following options) and create a 11b7e04f8cSWim Van Sebroeck character special file /dev/watchdog with major number 10 and minor 12b7e04f8cSWim Van Sebroeck number 130 using mknod ("man mknod"), you will get a watchdog, i.e.: 13b7e04f8cSWim Van Sebroeck subsequently opening the file and then failing to write to it for 14b7e04f8cSWim Van Sebroeck longer than 1 minute will result in rebooting the machine. This 15b7e04f8cSWim Van Sebroeck could be useful for a networked machine that needs to come back 16b7e04f8cSWim Van Sebroeck on-line as fast as possible after a lock-up. There's both a watchdog 17b7e04f8cSWim Van Sebroeck implementation entirely in software (which can sometimes fail to 18b7e04f8cSWim Van Sebroeck reboot the machine) and a driver for hardware watchdog boards, which 19b7e04f8cSWim Van Sebroeck are more robust and can also keep track of the temperature inside 20e403149cSDirk Hohndel your computer. For details, read 2174665686SMauro Carvalho Chehab <file:Documentation/watchdog/watchdog-api.rst> in the kernel source. 22b7e04f8cSWim Van Sebroeck 23b7e04f8cSWim Van Sebroeck The watchdog is usually used together with the watchdog daemon 24b7e04f8cSWim Van Sebroeck which is available from 2501028829SRandy Dunlap <https://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon 2601028829SRandy Dunlap can also monitor NFS connections and can reboot the machine when the 2701028829SRandy Dunlap process table is full. 28b7e04f8cSWim Van Sebroeck 29b7e04f8cSWim Van Sebroeck If unsure, say N. 30b7e04f8cSWim Van Sebroeck 31b7e04f8cSWim Van Sebroeckif WATCHDOG 32b7e04f8cSWim Van Sebroeck 3343316044SWim Van Sebroeckconfig WATCHDOG_CORE 340d3e1563SGuenter Roeck tristate "WatchDog Timer Driver Core" 35a7f7f624SMasahiro Yamada help 3643316044SWim Van Sebroeck Say Y here if you want to use the new watchdog timer driver core. 3743316044SWim Van Sebroeck This driver provides a framework for all watchdog timer drivers 3843316044SWim Van Sebroeck and gives them the /dev/watchdog interface (and later also the 3943316044SWim Van Sebroeck sysfs interface). 4043316044SWim Van Sebroeck 41b7e04f8cSWim Van Sebroeckconfig WATCHDOG_NOWAYOUT 42b7e04f8cSWim Van Sebroeck bool "Disable watchdog shutdown on close" 43b7e04f8cSWim Van Sebroeck help 44b7e04f8cSWim Van Sebroeck The default watchdog behaviour (which you get if you say N here) is 45b7e04f8cSWim Van Sebroeck to stop the timer if the process managing it closes the file 46b7e04f8cSWim Van Sebroeck /dev/watchdog. It's always remotely possible that this process might 47b7e04f8cSWim Van Sebroeck get killed. If you say Y here, the watchdog cannot be stopped once 48b7e04f8cSWim Van Sebroeck it has been started. 49b7e04f8cSWim Van Sebroeck 502501b015SSebastian Reichelconfig WATCHDOG_HANDLE_BOOT_ENABLED 512501b015SSebastian Reichel bool "Update boot-enabled watchdog until userspace takes over" 522501b015SSebastian Reichel default y 532501b015SSebastian Reichel help 542501b015SSebastian Reichel The default watchdog behaviour (which you get if you say Y here) is 552501b015SSebastian Reichel to ping watchdog devices that were enabled before the driver has 562501b015SSebastian Reichel been loaded until control is taken over from userspace using the 572501b015SSebastian Reichel /dev/watchdog file. If you say N here, the kernel will not update 582501b015SSebastian Reichel the watchdog on its own. Thus if your userspace does not start fast 592501b015SSebastian Reichel enough your device will reboot. 602501b015SSebastian Reichel 61487e4e08SRasmus Villemoesconfig WATCHDOG_OPEN_TIMEOUT 62487e4e08SRasmus Villemoes int "Timeout value for opening watchdog device" 63487e4e08SRasmus Villemoes default 0 64487e4e08SRasmus Villemoes help 65487e4e08SRasmus Villemoes The maximum time, in seconds, for which the watchdog framework takes 66487e4e08SRasmus Villemoes care of pinging a hardware watchdog. A value of 0 means infinite. The 67487e4e08SRasmus Villemoes value set here can be overridden by the commandline parameter 68487e4e08SRasmus Villemoes "watchdog.open_timeout". 69487e4e08SRasmus Villemoes 7033b71126SPratyush Anandconfig WATCHDOG_SYSFS 7133b71126SPratyush Anand bool "Read different watchdog information through sysfs" 7233b71126SPratyush Anand help 7333b71126SPratyush Anand Say Y here if you want to enable watchdog device status read through 7433b71126SPratyush Anand sysfs attributes. 7533b71126SPratyush Anand 767b7d2fdcSCurtis Kleinconfig WATCHDOG_HRTIMER_PRETIMEOUT 777b7d2fdcSCurtis Klein bool "Enable watchdog hrtimer-based pretimeouts" 787b7d2fdcSCurtis Klein help 797b7d2fdcSCurtis Klein Enable this if you want to use a hrtimer timer based pretimeout for 807b7d2fdcSCurtis Klein watchdogs that do not natively support pretimeout support. Be aware 817b7d2fdcSCurtis Klein that because this pretimeout functionality uses hrtimers, it may not 827b7d2fdcSCurtis Klein be able to fire before the actual watchdog fires in some situations. 837b7d2fdcSCurtis Klein 84471ce88bSGuenter Roeckcomment "Watchdog Pretimeout Governors" 85471ce88bSGuenter Roeck 86471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV 87471ce88bSGuenter Roeck bool "Enable watchdog pretimeout governors" 88471ce88bSGuenter Roeck depends on WATCHDOG_CORE 89471ce88bSGuenter Roeck help 90471ce88bSGuenter Roeck The option allows to select watchdog pretimeout governors. 91471ce88bSGuenter Roeck 92a9f0bda5SGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_SEL 93a9f0bda5SGuenter Roeck tristate 94a9f0bda5SGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV 95a9f0bda5SGuenter Roeck default m 96a9f0bda5SGuenter Roeck select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n 97a9f0bda5SGuenter Roeck 98471ce88bSGuenter Roeckif WATCHDOG_PRETIMEOUT_GOV 99471ce88bSGuenter Roeck 100471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_NOOP 101471ce88bSGuenter Roeck tristate "Noop watchdog pretimeout governor" 1020d3e1563SGuenter Roeck depends on WATCHDOG_CORE 103471ce88bSGuenter Roeck default WATCHDOG_CORE 104471ce88bSGuenter Roeck help 105471ce88bSGuenter Roeck Noop watchdog pretimeout governor, only an informational 106471ce88bSGuenter Roeck message is added to kernel log buffer. 107471ce88bSGuenter Roeck 108471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_PANIC 109471ce88bSGuenter Roeck tristate "Panic watchdog pretimeout governor" 1100d3e1563SGuenter Roeck depends on WATCHDOG_CORE 111471ce88bSGuenter Roeck default WATCHDOG_CORE 112471ce88bSGuenter Roeck help 113471ce88bSGuenter Roeck Panic watchdog pretimeout governor, on watchdog pretimeout 114471ce88bSGuenter Roeck event put the kernel into panic. 115471ce88bSGuenter Roeck 116471ce88bSGuenter Roeckchoice 117471ce88bSGuenter Roeck prompt "Default Watchdog Pretimeout Governor" 118471ce88bSGuenter Roeck default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 119471ce88bSGuenter Roeck help 120471ce88bSGuenter Roeck This option selects a default watchdog pretimeout governor. 121471ce88bSGuenter Roeck The governor takes its action, if a watchdog is capable 122471ce88bSGuenter Roeck to report a pretimeout event. 123471ce88bSGuenter Roeck 124471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP 125471ce88bSGuenter Roeck bool "noop" 126471ce88bSGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV_NOOP 127471ce88bSGuenter Roeck help 128471ce88bSGuenter Roeck Use noop watchdog pretimeout governor by default. If noop 129471ce88bSGuenter Roeck governor is selected by a user, write a short message to 130471ce88bSGuenter Roeck the kernel log buffer and don't do any system changes. 131471ce88bSGuenter Roeck 132471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 133471ce88bSGuenter Roeck bool "panic" 134471ce88bSGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV_PANIC 135471ce88bSGuenter Roeck help 136471ce88bSGuenter Roeck Use panic watchdog pretimeout governor by default, if 137471ce88bSGuenter Roeck a watchdog pretimeout event happens, consider that 138471ce88bSGuenter Roeck a watchdog feeder is dead and reboot is unavoidable. 139471ce88bSGuenter Roeck 140471ce88bSGuenter Roeckendchoice 141471ce88bSGuenter Roeck 142471ce88bSGuenter Roeckendif # WATCHDOG_PRETIMEOUT_GOV 143471ce88bSGuenter Roeck 144b7e04f8cSWim Van Sebroeck# 145b7e04f8cSWim Van Sebroeck# General Watchdog drivers 146b7e04f8cSWim Van Sebroeck# 147b7e04f8cSWim Van Sebroeck 148b7e04f8cSWim Van Sebroeckcomment "Watchdog Device Drivers" 149b7e04f8cSWim Van Sebroeck 150b7e04f8cSWim Van Sebroeck# Architecture Independent 151b7e04f8cSWim Van Sebroeck 152b7e04f8cSWim Van Sebroeckconfig SOFT_WATCHDOG 153b7e04f8cSWim Van Sebroeck tristate "Software watchdog" 154a5132cafSAlan Cox select WATCHDOG_CORE 155b7e04f8cSWim Van Sebroeck help 156b7e04f8cSWim Van Sebroeck A software monitoring watchdog. This will fail to reboot your system 157b7e04f8cSWim Van Sebroeck from some situations that the hardware watchdog will recover 158b7e04f8cSWim Van Sebroeck from. Equally it's a lot cheaper to install. 159b7e04f8cSWim Van Sebroeck 160b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 161b7e04f8cSWim Van Sebroeck module will be called softdog. 162b7e04f8cSWim Van Sebroeck 1634cbc6902SWolfram Sangconfig SOFT_WATCHDOG_PRETIMEOUT 1644cbc6902SWolfram Sang bool "Software watchdog pretimeout governor support" 1654cbc6902SWolfram Sang depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV 1664cbc6902SWolfram Sang help 1674cbc6902SWolfram Sang Enable this if you want to use pretimeout governors with the software 1684cbc6902SWolfram Sang watchdog. Be aware that governors might affect the watchdog because it 1694cbc6902SWolfram Sang is purely software, e.g. the panic governor will stall it! 1704cbc6902SWolfram Sang 171b237bcacSMatti Vaittinenconfig BD957XMUF_WATCHDOG 172b237bcacSMatti Vaittinen tristate "ROHM BD9576MUF and BD9573MUF PMIC Watchdog" 173b237bcacSMatti Vaittinen depends on MFD_ROHM_BD957XMUF 174b237bcacSMatti Vaittinen select WATCHDOG_CORE 175b237bcacSMatti Vaittinen help 176b237bcacSMatti Vaittinen Support for the watchdog in the ROHM BD9576 and BD9573 PMICs. 177b237bcacSMatti Vaittinen These PMIC ICs contain watchdog block which can be configured 178b237bcacSMatti Vaittinen to toggle reset line if SoC fails to ping watchdog via GPIO. 179b237bcacSMatti Vaittinen 180b237bcacSMatti Vaittinen Say Y here to include support for the ROHM BD9576 or BD9573 181b237bcacSMatti Vaittinen watchdog. Alternatively say M to compile the driver as a module, 182b237bcacSMatti Vaittinen which will be called bd9576_wdt. 183b237bcacSMatti Vaittinen 184664a0d78SAshish Jangamconfig DA9052_WATCHDOG 185664a0d78SAshish Jangam tristate "Dialog DA9052 Watchdog" 186da2a68b3SGuenter Roeck depends on PMIC_DA9052 || COMPILE_TEST 187664a0d78SAshish Jangam select WATCHDOG_CORE 188664a0d78SAshish Jangam help 189664a0d78SAshish Jangam Support for the watchdog in the DA9052 PMIC. Watchdog trigger 190664a0d78SAshish Jangam cause system reset. 191664a0d78SAshish Jangam 192664a0d78SAshish Jangam Say Y here to include support for the DA9052 watchdog. 193664a0d78SAshish Jangam Alternatively say M to compile the driver as a module, 194664a0d78SAshish Jangam which will be called da9052_wdt. 195664a0d78SAshish Jangam 196312b00e1SAshish Jangamconfig DA9055_WATCHDOG 197312b00e1SAshish Jangam tristate "Dialog Semiconductor DA9055 Watchdog" 198da2a68b3SGuenter Roeck depends on MFD_DA9055 || COMPILE_TEST 19912a5c05cSRandy Dunlap select WATCHDOG_CORE 200312b00e1SAshish Jangam help 201312b00e1SAshish Jangam If you say yes here you get support for watchdog on the Dialog 202312b00e1SAshish Jangam Semiconductor DA9055 PMIC. 203312b00e1SAshish Jangam 204312b00e1SAshish Jangam This driver can also be built as a module. If so, the module 205312b00e1SAshish Jangam will be called da9055_wdt. 206312b00e1SAshish Jangam 2075e9c16e3SKrystian Garbaciakconfig DA9063_WATCHDOG 2085e9c16e3SKrystian Garbaciak tristate "Dialog DA9063 Watchdog" 209da2a68b3SGuenter Roeck depends on MFD_DA9063 || COMPILE_TEST 2107d608c33SAndrej Picej depends on I2C 2115e9c16e3SKrystian Garbaciak select WATCHDOG_CORE 2125e9c16e3SKrystian Garbaciak help 2135e9c16e3SKrystian Garbaciak Support for the watchdog in the DA9063 PMIC. 2145e9c16e3SKrystian Garbaciak 2155e9c16e3SKrystian Garbaciak This driver can be built as a module. The module name is da9063_wdt. 2165e9c16e3SKrystian Garbaciak 2177a7cb009SS Twissconfig DA9062_WATCHDOG 21872106c18SSteve Twiss tristate "Dialog DA9062/61 Watchdog" 219da2a68b3SGuenter Roeck depends on MFD_DA9062 || COMPILE_TEST 22044144c80SGuenter Roeck depends on I2C 2217a7cb009SS Twiss select WATCHDOG_CORE 2227a7cb009SS Twiss help 22372106c18SSteve Twiss Support for the watchdog in the DA9062 and DA9061 PMICs. 2247a7cb009SS Twiss 2257a7cb009SS Twiss This driver can be built as a module. The module name is da9062_wdt. 2267a7cb009SS Twiss 22725134eafSAlexander Shiyanconfig GPIO_WATCHDOG 22825134eafSAlexander Shiyan tristate "Watchdog device controlled through GPIO-line" 22925134eafSAlexander Shiyan depends on OF_GPIO 23025134eafSAlexander Shiyan select WATCHDOG_CORE 23125134eafSAlexander Shiyan help 23225134eafSAlexander Shiyan If you say yes here you get support for watchdog device 23325134eafSAlexander Shiyan controlled through GPIO-line. 23425134eafSAlexander Shiyan 2355e53c8edSJean-Baptiste Theouconfig GPIO_WATCHDOG_ARCH_INITCALL 2365e53c8edSJean-Baptiste Theou bool "Register the watchdog as early as possible" 2375e53c8edSJean-Baptiste Theou depends on GPIO_WATCHDOG=y 2385e53c8edSJean-Baptiste Theou help 2395e53c8edSJean-Baptiste Theou In some situations, the default initcall level (module_init) 2405e53c8edSJean-Baptiste Theou in not early enough in the boot process to avoid the watchdog 2415e53c8edSJean-Baptiste Theou to be triggered. 2425e53c8edSJean-Baptiste Theou If you say yes here, the initcall level would be raised to 2435e53c8edSJean-Baptiste Theou arch_initcall. 2445e53c8edSJean-Baptiste Theou If in doubt, say N. 2455e53c8edSJean-Baptiste Theou 24650332639SAndreas Wernerconfig MENF21BMC_WATCHDOG 24750332639SAndreas Werner tristate "MEN 14F021P00 BMC Watchdog" 248da2a68b3SGuenter Roeck depends on MFD_MENF21BMC || COMPILE_TEST 2496fb303a8SArnd Bergmann depends on I2C 25050332639SAndreas Werner select WATCHDOG_CORE 25150332639SAndreas Werner help 25250332639SAndreas Werner Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 25350332639SAndreas Werner 25450332639SAndreas Werner This driver can also be built as a module. If so the module 25550332639SAndreas Werner will be called menf21bmc_wdt. 25650332639SAndreas Werner 25781ceed41SJohannes Thumshirnconfig MENZ069_WATCHDOG 25881ceed41SJohannes Thumshirn tristate "MEN 16Z069 Watchdog" 25912aea518SJohannes Thumshirn depends on MCB 26081ceed41SJohannes Thumshirn select WATCHDOG_CORE 26181ceed41SJohannes Thumshirn help 26281ceed41SJohannes Thumshirn Say Y here to include support for the MEN 16Z069 Watchdog. 26381ceed41SJohannes Thumshirn 26481ceed41SJohannes Thumshirn This driver can also be built as a module. If so the module 26581ceed41SJohannes Thumshirn will be called menz069_wdt. 26681ceed41SJohannes Thumshirn 267058dfc76SMika Westerbergconfig WDAT_WDT 268058dfc76SMika Westerberg tristate "ACPI Watchdog Action Table (WDAT)" 269058dfc76SMika Westerberg depends on ACPI 270effb46b4SMika Westerberg select WATCHDOG_CORE 271058dfc76SMika Westerberg select ACPI_WATCHDOG 272058dfc76SMika Westerberg help 273058dfc76SMika Westerberg This driver adds support for systems with ACPI Watchdog Action 274058dfc76SMika Westerberg Table (WDAT) table. Servers typically have this but it can be 275058dfc76SMika Westerberg found on some desktop machines as well. This driver will take 276058dfc76SMika Westerberg over the native iTCO watchdog driver found on many Intel CPUs. 277058dfc76SMika Westerberg 278058dfc76SMika Westerberg To compile this driver as module, choose M here: the module will 279058dfc76SMika Westerberg be called wdat_wdt. 280058dfc76SMika Westerberg 281502a0106SMark Brownconfig WM831X_WATCHDOG 282502a0106SMark Brown tristate "WM831x watchdog" 283d0e32fbaSArnd Bergmann depends on MFD_WM831X 28400411ee9SMark Brown select WATCHDOG_CORE 285502a0106SMark Brown help 286502a0106SMark Brown Support for the watchdog in the WM831x AudioPlus PMICs. When 287502a0106SMark Brown the watchdog triggers the system will be reset. 288502a0106SMark Brown 289006948baSMark Brownconfig WM8350_WATCHDOG 290006948baSMark Brown tristate "WM8350 watchdog" 291006948baSMark Brown depends on MFD_WM8350 2922e51d90fSAxel Lin select WATCHDOG_CORE 293006948baSMark Brown help 294006948baSMark Brown Support for the watchdog in the WM8350 AudioPlus PMIC. When 295006948baSMark Brown the watchdog triggers the system will be reset. 296006948baSMark Brown 297c9dcf9f2SMichal Simekconfig XILINX_WATCHDOG 298c9dcf9f2SMichal Simek tristate "Xilinx Watchdog timer" 29971fd380aSChen Gang depends on HAS_IOMEM 300c9dcf9f2SMichal Simek select WATCHDOG_CORE 301c9dcf9f2SMichal Simek help 30201028829SRandy Dunlap Watchdog driver for the xps_timebase_wdt IP core. 303c9dcf9f2SMichal Simek 304c9dcf9f2SMichal Simek To compile this driver as a module, choose M here: the 305c9dcf9f2SMichal Simek module will be called of_xilinx_wdt. 306c9dcf9f2SMichal Simek 3072a7b753aSMartyn Welchconfig ZIIRAVE_WATCHDOG 3082a7b753aSMartyn Welch tristate "Zodiac RAVE Watchdog Timer" 3092a7b753aSMartyn Welch depends on I2C 3102a7b753aSMartyn Welch select WATCHDOG_CORE 3112a7b753aSMartyn Welch help 3122a7b753aSMartyn Welch Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 3132a7b753aSMartyn Welch Processor. 3142a7b753aSMartyn Welch 3152a7b753aSMartyn Welch To compile this driver as a module, choose M here: the 3162a7b753aSMartyn Welch module will be called ziirave_wdt. 3172a7b753aSMartyn Welch 318c3bb3334SAndrey Smirnovconfig RAVE_SP_WATCHDOG 319c3bb3334SAndrey Smirnov tristate "RAVE SP Watchdog timer" 320c3bb3334SAndrey Smirnov depends on RAVE_SP_CORE 32120e6bb17SArnd Bergmann depends on NVMEM || !NVMEM 322c3bb3334SAndrey Smirnov select WATCHDOG_CORE 323c3bb3334SAndrey Smirnov help 324c3bb3334SAndrey Smirnov Support for the watchdog on RAVE SP device. 325c3bb3334SAndrey Smirnov 326c60923ddSMichael Shychconfig MLX_WDT 327c60923ddSMichael Shych tristate "Mellanox Watchdog" 328c60923ddSMichael Shych depends on MELLANOX_PLATFORM 329c60923ddSMichael Shych select WATCHDOG_CORE 330c60923ddSMichael Shych select REGMAP 331c60923ddSMichael Shych help 332c60923ddSMichael Shych This is the driver for the hardware watchdog on Mellanox systems. 333c60923ddSMichael Shych If you are going to use it, say Y here, otherwise N. 334c60923ddSMichael Shych This driver can be used together with the watchdog daemon. 335c60923ddSMichael Shych It can also watch your kernel to make sure it doesn't freeze, 336c60923ddSMichael Shych and if it does, it reboots your system after a certain amount of 337c60923ddSMichael Shych time. 338c60923ddSMichael Shych 339c60923ddSMichael Shych To compile this driver as a module, choose M here: the 340c60923ddSMichael Shych module will be called mlx-wdt. 341c60923ddSMichael Shych 34285174ca6SMichael Walleconfig SL28CPLD_WATCHDOG 34385174ca6SMichael Walle tristate "Kontron sl28cpld Watchdog" 34485174ca6SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 34585174ca6SMichael Walle select WATCHDOG_CORE 34685174ca6SMichael Walle help 34785174ca6SMichael Walle Say Y here to include support for the watchdog timer 34885174ca6SMichael Walle on the Kontron sl28 CPLD. 34985174ca6SMichael Walle 35085174ca6SMichael Walle To compile this driver as a module, choose M here: the 35185174ca6SMichael Walle module will be called sl28cpld_wdt. 35285174ca6SMichael Walle 353b7e04f8cSWim Van Sebroeck# ALPHA Architecture 354b7e04f8cSWim Van Sebroeck 355b7e04f8cSWim Van Sebroeck# ARM Architecture 356b7e04f8cSWim Van Sebroeck 3574a370278SViresh KUMARconfig ARM_SP805_WATCHDOG 3584a370278SViresh KUMAR tristate "ARM SP805 Watchdog" 3593eafee95SArnd Bergmann depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 3604a516539SViresh Kumar select WATCHDOG_CORE 3614a370278SViresh KUMAR help 3624a370278SViresh KUMAR ARM Primecell SP805 Watchdog timer. This will reboot your system when 3634a370278SViresh KUMAR the timeout is reached. 3644a370278SViresh KUMAR 36557d2caaaSFu Weiconfig ARM_SBSA_WATCHDOG 36657d2caaaSFu Wei tristate "ARM SBSA Generic Watchdog" 36757d2caaaSFu Wei depends on ARM64 36857d2caaaSFu Wei depends on ARM_ARCH_TIMER 36957d2caaaSFu Wei select WATCHDOG_CORE 37057d2caaaSFu Wei help 37157d2caaaSFu Wei ARM SBSA Generic Watchdog has two stage timeouts: 37257d2caaaSFu Wei the first signal (WS0) is for alerting the system by interrupt, 37357d2caaaSFu Wei the second one (WS1) is a real hardware reset. 37457d2caaaSFu Wei More details: ARM DEN0029B - Server Base System Architecture (SBSA) 37557d2caaaSFu Wei 37657d2caaaSFu Wei This driver can operate ARM SBSA Generic Watchdog as a single stage 37757d2caaaSFu Wei or a two stages watchdog, it depends on the module parameter "action". 37857d2caaaSFu Wei 37957d2caaaSFu Wei Note: the maximum timeout in the two stages mode is half of that in 38057d2caaaSFu Wei the single stage mode. 38157d2caaaSFu Wei 38257d2caaaSFu Wei To compile this driver as module, choose M here: The module 38357d2caaaSFu Wei will be called sbsa_gwdt. 38457d2caaaSFu Wei 38554e3d9b5SMarek Behúnconfig ARMADA_37XX_WATCHDOG 38654e3d9b5SMarek Behún tristate "Armada 37xx watchdog" 38754e3d9b5SMarek Behún depends on ARCH_MVEBU || COMPILE_TEST 3887f6f1dfbSGuenter Roeck depends on HAS_IOMEM 38954e3d9b5SMarek Behún select MFD_SYSCON 39054e3d9b5SMarek Behún select WATCHDOG_CORE 39154e3d9b5SMarek Behún help 39254e3d9b5SMarek Behún Say Y here to include support for the watchdog timer found on 39354e3d9b5SMarek Behún Marvell Armada 37xx SoCs. 39454e3d9b5SMarek Behún To compile this driver as a module, choose M here: the 39554e3d9b5SMarek Behún module will be called armada_37xx_wdt. 39654e3d9b5SMarek Behún 397aae03dc9SOleksij Rempelconfig ASM9260_WATCHDOG 398aae03dc9SOleksij Rempel tristate "Alphascale ASM9260 watchdog" 399da2a68b3SGuenter Roeck depends on MACH_ASM9260 || COMPILE_TEST 400aae03dc9SOleksij Rempel depends on OF 401aae03dc9SOleksij Rempel select WATCHDOG_CORE 402aae03dc9SOleksij Rempel select RESET_CONTROLLER 403aae03dc9SOleksij Rempel help 40401028829SRandy Dunlap Watchdog timer embedded into Alphascale asm9260 chips. This will 40501028829SRandy Dunlap reboot your system when the timeout is reached. 406aae03dc9SOleksij Rempel 407b7e04f8cSWim Van Sebroeckconfig AT91RM9200_WATCHDOG 408b7e04f8cSWim Van Sebroeck tristate "AT91RM9200 watchdog" 409da2a68b3SGuenter Roeck depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 410b7e04f8cSWim Van Sebroeck help 411b7e04f8cSWim Van Sebroeck Watchdog timer embedded into AT91RM9200 chips. This will reboot your 412b7e04f8cSWim Van Sebroeck system when the timeout is reached. 413b7e04f8cSWim Van Sebroeck 414e6bb42e3SRenaud CERRATOconfig AT91SAM9X_WATCHDOG 415f0e625c1SAndrew Victor tristate "AT91SAM9X / AT91CAP9 watchdog" 416da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 417490ac7afSWenyou Yang select WATCHDOG_CORE 418e6bb42e3SRenaud CERRATO help 419f0e625c1SAndrew Victor Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 420f0e625c1SAndrew Victor reboot your system when the timeout is reached. 421e6bb42e3SRenaud CERRATO 42276534860SWenyou Yangconfig SAMA5D4_WATCHDOG 42376534860SWenyou Yang tristate "Atmel SAMA5D4 Watchdog Timer" 424da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 42576534860SWenyou Yang select WATCHDOG_CORE 42676534860SWenyou Yang help 42776534860SWenyou Yang Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 42876534860SWenyou Yang Its Watchdog Timer Mode Register can be written more than once. 42976534860SWenyou Yang This will reboot your system when the timeout is reached. 43076534860SWenyou Yang 43158bf0164SHarini Katakamconfig CADENCE_WATCHDOG 43258bf0164SHarini Katakam tristate "Cadence Watchdog Timer" 4336960d485SRichard Weinberger depends on HAS_IOMEM 43458bf0164SHarini Katakam select WATCHDOG_CORE 43558bf0164SHarini Katakam help 43658bf0164SHarini Katakam Say Y here if you want to include support for the watchdog 43758bf0164SHarini Katakam timer in the Xilinx Zynq. 43858bf0164SHarini Katakam 439b7e04f8cSWim Van Sebroeckconfig 21285_WATCHDOG 440b7e04f8cSWim Van Sebroeck tristate "DC21285 watchdog" 441b7e04f8cSWim Van Sebroeck depends on FOOTBRIDGE 442b7e04f8cSWim Van Sebroeck help 443b7e04f8cSWim Van Sebroeck The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 444b7e04f8cSWim Van Sebroeck here if you wish to use this. Alternatively say M to compile the 445b7e04f8cSWim Van Sebroeck driver as a module, which will be called wdt285. 446b7e04f8cSWim Van Sebroeck 447b7e04f8cSWim Van Sebroeck This driver does not work on all machines. In particular, early CATS 448b7e04f8cSWim Van Sebroeck boards have hardware problems that will cause the machine to simply 449b7e04f8cSWim Van Sebroeck lock up if the watchdog fires. 450b7e04f8cSWim Van Sebroeck 451b7e04f8cSWim Van Sebroeck "If in doubt, leave it out" - say N. 452b7e04f8cSWim Van Sebroeck 453b7e04f8cSWim Van Sebroeckconfig 977_WATCHDOG 454b7e04f8cSWim Van Sebroeck tristate "NetWinder WB83C977 watchdog" 455da2a68b3SGuenter Roeck depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 456b7e04f8cSWim Van Sebroeck help 457b7e04f8cSWim Van Sebroeck Say Y here to include support for the WB977 watchdog included in 458b7e04f8cSWim Van Sebroeck NetWinder machines. Alternatively say M to compile the driver as 459b7e04f8cSWim Van Sebroeck a module, which will be called wdt977. 460b7e04f8cSWim Van Sebroeck 461b7e04f8cSWim Van Sebroeck Not sure? It's safe to say N. 462b7e04f8cSWim Van Sebroeck 463766a2aadSLinus Walleijconfig FTWDT010_WATCHDOG 464766a2aadSLinus Walleij tristate "Faraday Technology FTWDT010 watchdog" 465766a2aadSLinus Walleij depends on ARM || COMPILE_TEST 466eca10ae6SLinus Walleij select WATCHDOG_CORE 467766a2aadSLinus Walleij default ARCH_GEMINI 468eca10ae6SLinus Walleij help 469766a2aadSLinus Walleij Say Y here if to include support for the Faraday Technology 470766a2aadSLinus Walleij FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 471766a2aadSLinus Walleij family of devices. 472eca10ae6SLinus Walleij 473eca10ae6SLinus Walleij To compile this driver as a module, choose M here: the 474766a2aadSLinus Walleij module will be called ftwdt010_wdt. 475eca10ae6SLinus Walleij 476b7e04f8cSWim Van Sebroeckconfig IXP4XX_WATCHDOG 477b7e04f8cSWim Van Sebroeck tristate "IXP4xx Watchdog" 478b7e04f8cSWim Van Sebroeck depends on ARCH_IXP4XX 479580b8e28SLinus Walleij select WATCHDOG_CORE 480b7e04f8cSWim Van Sebroeck help 481b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 482b7e04f8cSWim Van Sebroeck in the Intel IXP4xx network processors. This driver can 483b7e04f8cSWim Van Sebroeck be built as a module by choosing M. The module will 484b7e04f8cSWim Van Sebroeck be called ixp4xx_wdt. 485b7e04f8cSWim Van Sebroeck 486b7e04f8cSWim Van Sebroeck Note: The internal IXP4xx watchdog does a soft CPU reset 487b7e04f8cSWim Van Sebroeck which doesn't reset any peripherals. There are circumstances 488b7e04f8cSWim Van Sebroeck where the watchdog will fail to reset the board correctly 489b7e04f8cSWim Van Sebroeck (e.g., if the boot ROM is in an unreadable state). 490b7e04f8cSWim Van Sebroeck 491b7e04f8cSWim Van Sebroeck Say N if you are unsure. 492b7e04f8cSWim Van Sebroeck 493b7e04f8cSWim Van Sebroeckconfig S3C2410_WATCHDOG 494b7e04f8cSWim Van Sebroeck tristate "S3C2410 Watchdog" 4957dd3cae9SKrzysztof Kozlowski depends on ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || \ 4967dd3cae9SKrzysztof Kozlowski COMPILE_TEST 49725dc46e3SWolfram Sang select WATCHDOG_CORE 49853eac48dSKrzysztof Kozlowski select MFD_SYSCON if ARCH_EXYNOS 499b7e04f8cSWim Van Sebroeck help 500981785daSKrzysztof Kozlowski Watchdog timer block in the Samsung S3C24xx, S3C64xx, S5Pv210 and 501981785daSKrzysztof Kozlowski Exynos SoCs. This will reboot the system when the timer expires with 502981785daSKrzysztof Kozlowski the watchdog enabled. 503b7e04f8cSWim Van Sebroeck 504b7e04f8cSWim Van Sebroeck The driver is limited by the speed of the system's PCLK 505b7e04f8cSWim Van Sebroeck signal, so with reasonably fast systems (PCLK around 50-66MHz) 506b7e04f8cSWim Van Sebroeck then watchdog intervals of over approximately 20seconds are 507b7e04f8cSWim Van Sebroeck unavailable. 508b7e04f8cSWim Van Sebroeck 509981785daSKrzysztof Kozlowski Choose Y/M here only if you build for such Samsung SoC. 510b7e04f8cSWim Van Sebroeck The driver can be built as a module by choosing M, and will 511981785daSKrzysztof Kozlowski be called s3c2410_wdt. 512b7e04f8cSWim Van Sebroeck 513b7e04f8cSWim Van Sebroeckconfig SA1100_WATCHDOG 514b7e04f8cSWim Van Sebroeck tristate "SA1100/PXA2xx watchdog" 515b7e04f8cSWim Van Sebroeck depends on ARCH_SA1100 || ARCH_PXA 516b7e04f8cSWim Van Sebroeck help 517b7e04f8cSWim Van Sebroeck Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 518b7e04f8cSWim Van Sebroeck reboot your system when timeout is reached. 519b7e04f8cSWim Van Sebroeck 520b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 521b7e04f8cSWim Van Sebroeck 522b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 523b7e04f8cSWim Van Sebroeck module will be called sa1100_wdt. 524b7e04f8cSWim Van Sebroeck 525c9353ae1SJamie Ilesconfig DW_WATCHDOG 526c9353ae1SJamie Iles tristate "Synopsys DesignWare watchdog" 5271ccfe6f9SRichard Weinberger depends on HAS_IOMEM 528f29a72c2SGuenter Roeck select WATCHDOG_CORE 529c9353ae1SJamie Iles help 530c9353ae1SJamie Iles Say Y here if to include support for the Synopsys DesignWare 53158a251f2SBaruch Siach watchdog timer found in many chips. 532c9353ae1SJamie Iles To compile this driver as a module, choose M here: the 533c9353ae1SJamie Iles module will be called dw_wdt. 534c9353ae1SJamie Iles 535b7e04f8cSWim Van Sebroeckconfig EP93XX_WATCHDOG 536b7e04f8cSWim Van Sebroeck tristate "EP93xx Watchdog" 537da2a68b3SGuenter Roeck depends on ARCH_EP93XX || COMPILE_TEST 538e12a679dSH Hartley Sweeten select WATCHDOG_CORE 539b7e04f8cSWim Van Sebroeck help 540b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 541b7e04f8cSWim Van Sebroeck embedded in the Cirrus Logic EP93xx family of devices. 542b7e04f8cSWim Van Sebroeck 543b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 544b7e04f8cSWim Van Sebroeck module will be called ep93xx_wdt. 545b7e04f8cSWim Van Sebroeck 546b7e04f8cSWim Van Sebroeckconfig OMAP_WATCHDOG 547b7e04f8cSWim Van Sebroeck tristate "OMAP Watchdog" 548da2a68b3SGuenter Roeck depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 54967c0f554SAaro Koskinen select WATCHDOG_CORE 550b7e04f8cSWim Van Sebroeck help 55101028829SRandy Dunlap Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 55201028829SRandy Dunlap Say 'Y' here to enable the 55301028829SRandy Dunlap OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 554b7e04f8cSWim Van Sebroeck 555b7e04f8cSWim Van Sebroeckconfig PNX4008_WATCHDOG 556d684f05fSRoland Stigge tristate "LPC32XX Watchdog" 557c9b8af43SArnd Bergmann depends on ARCH_LPC32XX || COMPILE_TEST 5586b1e8386SWolfram Sang select WATCHDOG_CORE 559b7e04f8cSWim Van Sebroeck help 560b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 561d684f05fSRoland Stigge in the LPC32XX processor. 562b7e04f8cSWim Van Sebroeck This driver can be built as a module by choosing M. The module 563b7e04f8cSWim Van Sebroeck will be called pnx4008_wdt. 564b7e04f8cSWim Van Sebroeck 565b7e04f8cSWim Van Sebroeck Say N if you are unsure. 566b7e04f8cSWim Van Sebroeck 567b7e04f8cSWim Van Sebroeckconfig DAVINCI_WATCHDOG 568b7e04f8cSWim Van Sebroeck tristate "DaVinci watchdog" 569da2a68b3SGuenter Roeck depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 570f48f3ceaSIvan Khoronzhuk select WATCHDOG_CORE 571b7e04f8cSWim Van Sebroeck help 572b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 5738832b200SIvan Khoronzhuk in the DaVinci DM644x/DM646x or Keystone processors. 574b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 575b7e04f8cSWim Van Sebroeck module will be called davinci_wdt. 576b7e04f8cSWim Van Sebroeck 577b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 578b7e04f8cSWim Van Sebroeck Say N if you are unsure. 579b7e04f8cSWim Van Sebroeck 5802d63908bSTero Kristoconfig K3_RTI_WATCHDOG 5812d63908bSTero Kristo tristate "Texas Instruments K3 RTI watchdog" 5822d63908bSTero Kristo depends on ARCH_K3 || COMPILE_TEST 5832d63908bSTero Kristo select WATCHDOG_CORE 5842d63908bSTero Kristo help 5852d63908bSTero Kristo Say Y here if you want to include support for the K3 watchdog 5862d63908bSTero Kristo timer (RTI module) available in the K3 generation of processors. 5872d63908bSTero Kristo 5883b937a7dSNicolas Pitreconfig ORION_WATCHDOG 5893b937a7dSNicolas Pitre tristate "Orion watchdog" 5903e3f354bSArnd Bergmann depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 591c3525e3fSThierry Reding depends on ARM 5920dd6e484SAxel Lin select WATCHDOG_CORE 59322ac9232SSylver Bruneau help 59422ac9232SSylver Bruneau Say Y here if to include support for the watchdog timer 5953b937a7dSNicolas Pitre in the Marvell Orion5x and Kirkwood ARM SoCs. 59622ac9232SSylver Bruneau To compile this driver as a module, choose M here: the 5973b937a7dSNicolas Pitre module will be called orion_wdt. 59822ac9232SSylver Bruneau 59922b1c841SBeniamino Galvaniconfig RN5T618_WATCHDOG 60022b1c841SBeniamino Galvani tristate "Ricoh RN5T618 watchdog" 601da2a68b3SGuenter Roeck depends on MFD_RN5T618 || COMPILE_TEST 60222b1c841SBeniamino Galvani select WATCHDOG_CORE 60322b1c841SBeniamino Galvani help 60422b1c841SBeniamino Galvani If you say yes here you get support for watchdog on the Ricoh 60522b1c841SBeniamino Galvani RN5T618 PMIC. 60622b1c841SBeniamino Galvani 60722b1c841SBeniamino Galvani This driver can also be built as a module. If so, the module 60822b1c841SBeniamino Galvani will be called rn5t618_wdt. 60922b1c841SBeniamino Galvani 610d00680edSCarlo Caioneconfig SUNXI_WATCHDOG 611d00680edSCarlo Caione tristate "Allwinner SoCs watchdog support" 612da2a68b3SGuenter Roeck depends on ARCH_SUNXI || COMPILE_TEST 613d00680edSCarlo Caione select WATCHDOG_CORE 614d00680edSCarlo Caione help 615d00680edSCarlo Caione Say Y here to include support for the watchdog timer 616d00680edSCarlo Caione in Allwinner SoCs. 617d00680edSCarlo Caione To compile this driver as a module, choose M here: the 618d00680edSCarlo Caione module will be called sunxi_wdt. 619d00680edSCarlo Caione 620975b7f0fSJoel Stanleyconfig NPCM7XX_WATCHDOG 621ec242929SGuenter Roeck tristate "Nuvoton NPCM750 watchdog" 622975b7f0fSJoel Stanley depends on ARCH_NPCM || COMPILE_TEST 6237db706a2STomer Maimon default y if ARCH_NPCM7XX 624975b7f0fSJoel Stanley select WATCHDOG_CORE 625975b7f0fSJoel Stanley help 626975b7f0fSJoel Stanley Say Y here to include Watchdog timer support for the 627975b7f0fSJoel Stanley watchdog embedded into the NPCM7xx. 628975b7f0fSJoel Stanley This watchdog is used to reset the system and thus cannot be 629975b7f0fSJoel Stanley compiled as a module. 630975b7f0fSJoel Stanley 63180e45b1eSTimo Kokkonenconfig TWL4030_WATCHDOG 63280e45b1eSTimo Kokkonen tristate "TWL4030 Watchdog" 63380e45b1eSTimo Kokkonen depends on TWL4030_CORE 634b2c4e4b2SJarkko Nikula select WATCHDOG_CORE 63580e45b1eSTimo Kokkonen help 63680e45b1eSTimo Kokkonen Support for TI TWL4030 watchdog. Say 'Y' here to enable the 63780e45b1eSTimo Kokkonen watchdog timer support for TWL4030 chips. 63880e45b1eSTimo Kokkonen 639de6303abSWolfram Sangconfig STMP3XXX_RTC_WATCHDOG 640de6303abSWolfram Sang tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 641da2a68b3SGuenter Roeck depends on RTC_DRV_STMP || COMPILE_TEST 642de6303abSWolfram Sang select WATCHDOG_CORE 643de6303abSWolfram Sang help 644de6303abSWolfram Sang Say Y here to include support for the watchdog timer inside 645de6303abSWolfram Sang the RTC for the STMP37XX/378X or i.MX23/28 SoC. 646de6303abSWolfram Sang To compile this driver as a module, choose M here: the 647de6303abSWolfram Sang module will be called stmp3xxx_rtc_wdt. 648de6303abSWolfram Sang 649bf900639SDamien Riegelconfig TS4800_WATCHDOG 650bf900639SDamien Riegel tristate "TS-4800 Watchdog" 651bf900639SDamien Riegel depends on HAS_IOMEM && OF 6520519e91dSJean Delvare depends on SOC_IMX51 || COMPILE_TEST 653bf900639SDamien Riegel select WATCHDOG_CORE 654bf900639SDamien Riegel select MFD_SYSCON 655bf900639SDamien Riegel help 656bf900639SDamien Riegel Technologic Systems TS-4800 has watchdog timer implemented in 657bf900639SDamien Riegel an external FPGA. Say Y here if you want to support for the 658bf900639SDamien Riegel watchdog timer on TS-4800 board. 659bf900639SDamien Riegel 660c90bf2aaSMika Westerbergconfig TS72XX_WATCHDOG 661c90bf2aaSMika Westerberg tristate "TS-72XX SBC Watchdog" 662da2a68b3SGuenter Roeck depends on MACH_TS72XX || COMPILE_TEST 6630f0dbd9bSShyam Saini select WATCHDOG_CORE 664c90bf2aaSMika Westerberg help 665c90bf2aaSMika Westerberg Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 666c90bf2aaSMika Westerberg watchdog timer implemented in a external CPLD chip. Say Y here 667c90bf2aaSMika Westerberg if you want to support for the watchdog timer on TS-72XX boards. 668c90bf2aaSMika Westerberg 669c90bf2aaSMika Westerberg To compile this driver as a module, choose M here: the 670c90bf2aaSMika Westerberg module will be called ts72xx_wdt. 671c90bf2aaSMika Westerberg 6725e803716SMarc Zyngierconfig MAX63XX_WATCHDOG 6735e803716SMarc Zyngier tristate "Max63xx watchdog" 67404658449SVivien Didelot depends on HAS_IOMEM 675a0f36833SAxel Lin select WATCHDOG_CORE 6765e803716SMarc Zyngier help 6775e803716SMarc Zyngier Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 6785e803716SMarc Zyngier 679ff3bb2f5SLaxman Dewanganconfig MAX77620_WATCHDOG 680ff3bb2f5SLaxman Dewangan tristate "Maxim Max77620 Watchdog Timer" 681254099d8SLuca Ceresoli depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 682da9e3f4eSDavid Engraf select WATCHDOG_CORE 683ff3bb2f5SLaxman Dewangan help 684ff3bb2f5SLaxman Dewangan This is the driver for the Max77620 watchdog timer. 685ff3bb2f5SLaxman Dewangan Say 'Y' here to enable the watchdog timer support for 686ff3bb2f5SLaxman Dewangan MAX77620 chips. To compile this driver as a module, 687ff3bb2f5SLaxman Dewangan choose M here: the module will be called max77620_wdt. 688ff3bb2f5SLaxman Dewangan 689bb2fd8a8SWolfram Sangconfig IMX2_WDT 690bb2fd8a8SWolfram Sang tristate "IMX2+ Watchdog" 691da2a68b3SGuenter Roeck depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 692a7977003SXiubo Li select REGMAP_MMIO 693faad5de0SAnatolij Gustschin select WATCHDOG_CORE 694bb2fd8a8SWolfram Sang help 695bb2fd8a8SWolfram Sang This is the driver for the hardware watchdog 696bb2fd8a8SWolfram Sang on the Freescale IMX2 and later processors. 697bb2fd8a8SWolfram Sang If you have one of these processors and wish to have 698bb2fd8a8SWolfram Sang watchdog support enabled, say Y, otherwise say N. 699bb2fd8a8SWolfram Sang 700bb2fd8a8SWolfram Sang To compile this driver as a module, choose M here: the 701bb2fd8a8SWolfram Sang module will be called imx2_wdt. 702bb2fd8a8SWolfram Sang 703986857acSAnson Huangconfig IMX_SC_WDT 704986857acSAnson Huang tristate "IMX SC Watchdog" 705986857acSAnson Huang depends on HAVE_ARM_SMCCC 70615f7d7fcSAnson Huang depends on IMX_SCU 707986857acSAnson Huang select WATCHDOG_CORE 708986857acSAnson Huang help 709986857acSAnson Huang This is the driver for the system controller watchdog 710986857acSAnson Huang on the NXP i.MX SoCs with system controller inside, the 711986857acSAnson Huang watchdog driver will call ARM SMC API and trap into 712986857acSAnson Huang ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 713986857acSAnson Huang will request system controller to execute the operations. 714986857acSAnson Huang If you have one of these processors and wish to have 715986857acSAnson Huang watchdog support enabled, say Y, otherwise say N. 716986857acSAnson Huang 717986857acSAnson Huang To compile this driver as a module, choose M here: the 718986857acSAnson Huang module will be called imx_sc_wdt. 719986857acSAnson Huang 72041b630f4SAnson Huangconfig IMX7ULP_WDT 72141b630f4SAnson Huang tristate "IMX7ULP Watchdog" 72241b630f4SAnson Huang depends on ARCH_MXC || COMPILE_TEST 72341b630f4SAnson Huang select WATCHDOG_CORE 72441b630f4SAnson Huang help 72541b630f4SAnson Huang This is the driver for the hardware watchdog on the Freescale 72641b630f4SAnson Huang IMX7ULP and later processors. If you have one of these 72741b630f4SAnson Huang processors and wish to have watchdog support enabled, 72841b630f4SAnson Huang say Y, otherwise say N. 72941b630f4SAnson Huang 73041b630f4SAnson Huang To compile this driver as a module, choose M here: the 73141b630f4SAnson Huang module will be called imx7ulp_wdt. 73241b630f4SAnson Huang 733d0305aacSLinus Walleijconfig DB500_WATCHDOG 734d0305aacSLinus Walleij tristate "ST-Ericsson DB800 watchdog" 7359297b652SArnd Bergmann depends on MFD_DB8500_PRCMU 736f0e5bd41SFabio Baltieri select WATCHDOG_CORE 737f0e5bd41SFabio Baltieri default y 738f0e5bd41SFabio Baltieri help 739f0e5bd41SFabio Baltieri Say Y here to include Watchdog timer support for the watchdog 740d0305aacSLinus Walleij existing in the prcmu of ST-Ericsson DB8500 platform. 741f0e5bd41SFabio Baltieri 742f0e5bd41SFabio Baltieri To compile this driver as a module, choose M here: the 743d0305aacSLinus Walleij module will be called db500_wdt. 744f0e5bd41SFabio Baltieri 7453d3a6d18SAaro Koskinenconfig RETU_WATCHDOG 7463d3a6d18SAaro Koskinen tristate "Retu watchdog" 7479ad82f11SArnd Bergmann depends on MFD_RETU 7483d3a6d18SAaro Koskinen select WATCHDOG_CORE 7493d3a6d18SAaro Koskinen help 7503d3a6d18SAaro Koskinen Retu watchdog driver for Nokia Internet Tablets (770, N800, 7513d3a6d18SAaro Koskinen N810). At least on N800 the watchdog cannot be disabled, so 7523d3a6d18SAaro Koskinen this driver is essential and you should enable it. 7533d3a6d18SAaro Koskinen 7543d3a6d18SAaro Koskinen To compile this driver as a module, choose M here: the 7553d3a6d18SAaro Koskinen module will be called retu_wdt. 7563d3a6d18SAaro Koskinen 757e14538e0SJonas Jensenconfig MOXART_WDT 758e14538e0SJonas Jensen tristate "MOXART watchdog" 759da2a68b3SGuenter Roeck depends on ARCH_MOXART || COMPILE_TEST 760e14538e0SJonas Jensen help 761e14538e0SJonas Jensen Say Y here to include Watchdog timer support for the watchdog 762e14538e0SJonas Jensen existing on the MOXA ART SoC series platforms. 763e14538e0SJonas Jensen 764e14538e0SJonas Jensen To compile this driver as a module, choose M here: the 765e14538e0SJonas Jensen module will be called moxart_wdt. 766e14538e0SJonas Jensen 767f27925a6SLee Jonesconfig ST_LPC_WATCHDOG 768f27925a6SLee Jones tristate "STMicroelectronics LPC Watchdog" 769da2a68b3SGuenter Roeck depends on ARCH_STI || COMPILE_TEST 770f27925a6SLee Jones depends on OF 771f27925a6SLee Jones select WATCHDOG_CORE 772f27925a6SLee Jones help 773f27925a6SLee Jones Say Y here to include STMicroelectronics Low Power Controller 774f27925a6SLee Jones (LPC) based Watchdog timer support. 775f27925a6SLee Jones 776f27925a6SLee Jones To compile this driver as a module, choose M here: the 777f27925a6SLee Jones module will be called st_lpc_wdt. 778f27925a6SLee Jones 779c33a1597SAndrew Chewconfig TEGRA_WATCHDOG 780c33a1597SAndrew Chew tristate "Tegra watchdog" 78171fd380aSChen Gang depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 782c33a1597SAndrew Chew select WATCHDOG_CORE 783c33a1597SAndrew Chew help 784c33a1597SAndrew Chew Say Y here to include support for the watchdog timer 785c33a1597SAndrew Chew embedded in NVIDIA Tegra SoCs. 786c33a1597SAndrew Chew 787c33a1597SAndrew Chew To compile this driver as a module, choose M here: the 788c33a1597SAndrew Chew module will be called tegra_wdt. 789c33a1597SAndrew Chew 7901094ebe9SJosh Cartwrightconfig QCOM_WDT 7911094ebe9SJosh Cartwright tristate "QCOM watchdog" 7921094ebe9SJosh Cartwright depends on HAS_IOMEM 793da2a68b3SGuenter Roeck depends on ARCH_QCOM || COMPILE_TEST 7941094ebe9SJosh Cartwright select WATCHDOG_CORE 7951094ebe9SJosh Cartwright help 7961094ebe9SJosh Cartwright Say Y here to include Watchdog timer support for the watchdog found 7971094ebe9SJosh Cartwright on QCOM chipsets. Currently supported targets are the MSM8960, 7981094ebe9SJosh Cartwright APQ8064, and IPQ8064. 7991094ebe9SJosh Cartwright 8001094ebe9SJosh Cartwright To compile this driver as a module, choose M here: the 8011094ebe9SJosh Cartwright module will be called qcom_wdt. 8021094ebe9SJosh Cartwright 803683fa50fSNeil Armstrongconfig MESON_GXBB_WATCHDOG 804683fa50fSNeil Armstrong tristate "Amlogic Meson GXBB SoCs watchdog support" 805da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 806683fa50fSNeil Armstrong select WATCHDOG_CORE 807683fa50fSNeil Armstrong help 808683fa50fSNeil Armstrong Say Y here to include support for the watchdog timer 809683fa50fSNeil Armstrong in Amlogic Meson GXBB SoCs. 810683fa50fSNeil Armstrong To compile this driver as a module, choose M here: the 811683fa50fSNeil Armstrong module will be called meson_gxbb_wdt. 812683fa50fSNeil Armstrong 81322e1b8f6SCarlo Caioneconfig MESON_WATCHDOG 81422e1b8f6SCarlo Caione tristate "Amlogic Meson SoCs watchdog support" 815da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 81622e1b8f6SCarlo Caione select WATCHDOG_CORE 81722e1b8f6SCarlo Caione help 81822e1b8f6SCarlo Caione Say Y here to include support for the watchdog timer 81922e1b8f6SCarlo Caione in Amlogic Meson SoCs. 82022e1b8f6SCarlo Caione To compile this driver as a module, choose M here: the 82122e1b8f6SCarlo Caione module will be called meson_wdt. 82222e1b8f6SCarlo Caione 823a44a4553SMatthias Bruggerconfig MEDIATEK_WATCHDOG 824a44a4553SMatthias Brugger tristate "Mediatek SoCs watchdog support" 825da2a68b3SGuenter Roeck depends on ARCH_MEDIATEK || COMPILE_TEST 826ab571cbcSKevin Hilman default ARCH_MEDIATEK 827a44a4553SMatthias Brugger select WATCHDOG_CORE 8285eee7c62SRandy Dunlap select RESET_CONTROLLER 829a44a4553SMatthias Brugger help 830a44a4553SMatthias Brugger Say Y here to include support for the watchdog timer 831a44a4553SMatthias Brugger in Mediatek SoCs. 832a44a4553SMatthias Brugger To compile this driver as a module, choose M here: the 833a44a4553SMatthias Brugger module will be called mtk_wdt. 834a44a4553SMatthias Brugger 835336694a0SBaruch Siachconfig DIGICOLOR_WATCHDOG 836336694a0SBaruch Siach tristate "Conexant Digicolor SoCs watchdog support" 837da2a68b3SGuenter Roeck depends on ARCH_DIGICOLOR || COMPILE_TEST 838336694a0SBaruch Siach select WATCHDOG_CORE 839336694a0SBaruch Siach help 840336694a0SBaruch Siach Say Y here to include support for the watchdog timer 841336694a0SBaruch Siach in Conexant Digicolor SoCs. 842336694a0SBaruch Siach To compile this driver as a module, choose M here: the 843336694a0SBaruch Siach module will be called digicolor_wdt. 844336694a0SBaruch Siach 84572a9e7feSJulius Wernerconfig ARM_SMC_WATCHDOG 84672a9e7feSJulius Werner tristate "ARM Secure Monitor Call based watchdog support" 84772a9e7feSJulius Werner depends on ARM || ARM64 84872a9e7feSJulius Werner depends on OF 84972a9e7feSJulius Werner depends on HAVE_ARM_SMCCC 85072a9e7feSJulius Werner select WATCHDOG_CORE 85172a9e7feSJulius Werner help 85272a9e7feSJulius Werner Say Y here to include support for a watchdog timer 85372a9e7feSJulius Werner implemented by the EL3 Secure Monitor on ARM platforms. 85472a9e7feSJulius Werner Requires firmware support. 85572a9e7feSJulius Werner To compile this driver as a module, choose M here: the 85672a9e7feSJulius Werner module will be called arm_smc_wdt. 85772a9e7feSJulius Werner 8587c25f8c9SAriel D'Alessandroconfig LPC18XX_WATCHDOG 8597c25f8c9SAriel D'Alessandro tristate "LPC18xx/43xx Watchdog" 8607c25f8c9SAriel D'Alessandro depends on ARCH_LPC18XX || COMPILE_TEST 861d42d6108SRichard Weinberger depends on HAS_IOMEM 8627c25f8c9SAriel D'Alessandro select WATCHDOG_CORE 8637c25f8c9SAriel D'Alessandro help 8647c25f8c9SAriel D'Alessandro Say Y here if to include support for the watchdog timer 8657c25f8c9SAriel D'Alessandro in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 8667c25f8c9SAriel D'Alessandro processors. 8677c25f8c9SAriel D'Alessandro To compile this driver as a module, choose M here: the 8687c25f8c9SAriel D'Alessandro module will be called lpc18xx_wdt. 8697c25f8c9SAriel D'Alessandro 870bd99b68eSWolfram Sangconfig RENESAS_WDT 871bd99b68eSWolfram Sang tristate "Renesas WDT Watchdog" 872bd99b68eSWolfram Sang depends on ARCH_RENESAS || COMPILE_TEST 873bd99b68eSWolfram Sang select WATCHDOG_CORE 874bd99b68eSWolfram Sang help 875bd99b68eSWolfram Sang This driver adds watchdog support for the integrated watchdogs in the 876bd99b68eSWolfram Sang Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 877bd99b68eSWolfram Sang 878aea24187SChris Brandtconfig RENESAS_RZAWDT 879aea24187SChris Brandt tristate "Renesas RZ/A WDT Watchdog" 880aea24187SChris Brandt depends on ARCH_RENESAS || COMPILE_TEST 881aea24187SChris Brandt select WATCHDOG_CORE 882aea24187SChris Brandt help 883aea24187SChris Brandt This driver adds watchdog support for the integrated watchdogs in the 884aea24187SChris Brandt Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 885aea24187SChris Brandt 886*d65112f5SPhil Edworthyconfig RENESAS_RZN1WDT 887*d65112f5SPhil Edworthy tristate "Renesas RZ/N1 watchdog" 888*d65112f5SPhil Edworthy depends on ARCH_RENESAS || COMPILE_TEST 889*d65112f5SPhil Edworthy select WATCHDOG_CORE 890*d65112f5SPhil Edworthy help 891*d65112f5SPhil Edworthy This driver adds watchdog support for the integrated watchdogs in the 892*d65112f5SPhil Edworthy Renesas RZ/N1 SoCs. These watchdogs can be used to reset a system. 893*d65112f5SPhil Edworthy 8942cbc5cd0SBiju Dasconfig RENESAS_RZG2LWDT 8952cbc5cd0SBiju Das tristate "Renesas RZ/G2L WDT Watchdog" 8962cbc5cd0SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 8972cbc5cd0SBiju Das select WATCHDOG_CORE 8982cbc5cd0SBiju Das help 8992cbc5cd0SBiju Das This driver adds watchdog support for the integrated watchdogs in the 9002cbc5cd0SBiju Das Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 9012cbc5cd0SBiju Das 902efa859f7SJoel Stanleyconfig ASPEED_WATCHDOG 9032050dd06SAndrew Jeffery tristate "Aspeed BMC watchdog support" 904efa859f7SJoel Stanley depends on ARCH_ASPEED || COMPILE_TEST 905efa859f7SJoel Stanley select WATCHDOG_CORE 906efa859f7SJoel Stanley help 907efa859f7SJoel Stanley Say Y here to include support for the watchdog timer 908ffff023aSAndrew Jeffery in Aspeed BMC SoCs. 909efa859f7SJoel Stanley 910efa859f7SJoel Stanley This driver is required to reboot the SoC. 911efa859f7SJoel Stanley 912efa859f7SJoel Stanley To compile this driver as a module, choose M here: the 913efa859f7SJoel Stanley module will be called aspeed_wdt. 914efa859f7SJoel Stanley 9154332d113SYannick Fertreconfig STM32_WATCHDOG 9164332d113SYannick Fertre tristate "STM32 Independent WatchDoG (IWDG) support" 9174332d113SYannick Fertre depends on ARCH_STM32 9184332d113SYannick Fertre select WATCHDOG_CORE 9194332d113SYannick Fertre default y 9204332d113SYannick Fertre help 9214332d113SYannick Fertre Say Y here to include support for the watchdog timer 9224332d113SYannick Fertre in stm32 SoCs. 9234332d113SYannick Fertre 9244332d113SYannick Fertre To compile this driver as a module, choose M here: the 9254332d113SYannick Fertre module will be called stm32_iwdg. 9264332d113SYannick Fertre 92728804c2cSPascal PAILLET-LMEconfig STPMIC1_WATCHDOG 92828804c2cSPascal PAILLET-LME tristate "STPMIC1 PMIC watchdog support" 92928804c2cSPascal PAILLET-LME depends on MFD_STPMIC1 93028804c2cSPascal PAILLET-LME select WATCHDOG_CORE 93128804c2cSPascal PAILLET-LME help 93228804c2cSPascal PAILLET-LME Say Y here to include watchdog support embedded into STPMIC1 PMIC. 93328804c2cSPascal PAILLET-LME If the watchdog timer expires, stpmic1 will shut down all its power 93428804c2cSPascal PAILLET-LME supplies. 93528804c2cSPascal PAILLET-LME 93628804c2cSPascal PAILLET-LME To compile this driver as a module, choose M here: the 93728804c2cSPascal PAILLET-LME module will be called spmic1_wdt. 93828804c2cSPascal PAILLET-LME 939e7bf0289SKeiji Hayashibaraconfig UNIPHIER_WATCHDOG 940e7bf0289SKeiji Hayashibara tristate "UniPhier watchdog support" 941e7bf0289SKeiji Hayashibara depends on ARCH_UNIPHIER || COMPILE_TEST 942e7bf0289SKeiji Hayashibara depends on OF && MFD_SYSCON 943e7bf0289SKeiji Hayashibara select WATCHDOG_CORE 944e7bf0289SKeiji Hayashibara help 945e7bf0289SKeiji Hayashibara Say Y here to include support watchdog timer embedded 946e7bf0289SKeiji Hayashibara into the UniPhier system. 947e7bf0289SKeiji Hayashibara 948e7bf0289SKeiji Hayashibara To compile this driver as a module, choose M here: the 949e7bf0289SKeiji Hayashibara module will be called uniphier_wdt. 950e7bf0289SKeiji Hayashibara 9512bdf6acbSAndreas Färberconfig RTD119X_WATCHDOG 9522bdf6acbSAndreas Färber bool "Realtek RTD119x/RTD129x watchdog support" 9532bdf6acbSAndreas Färber depends on ARCH_REALTEK || COMPILE_TEST 9542bdf6acbSAndreas Färber depends on OF 9552bdf6acbSAndreas Färber select WATCHDOG_CORE 9562bdf6acbSAndreas Färber default ARCH_REALTEK 957b7e04f8cSWim Van Sebroeck help 9582bdf6acbSAndreas Färber Say Y here to include support for the watchdog timer in 9592bdf6acbSAndreas Färber Realtek RTD1295 SoCs. 9602bdf6acbSAndreas Färber 9617d7267aeSSander Vanheuleconfig REALTEK_OTTO_WDT 9627d7267aeSSander Vanheule tristate "Realtek Otto MIPS watchdog support" 9637d7267aeSSander Vanheule depends on MACH_REALTEK_RTL || COMPILE_TEST 9647d7267aeSSander Vanheule depends on COMMON_CLK 9657d7267aeSSander Vanheule select WATCHDOG_CORE 9667d7267aeSSander Vanheule default MACH_REALTEK_RTL 9677d7267aeSSander Vanheule help 9687d7267aeSSander Vanheule Say Y here to include support for the watchdog timer on Realtek 9697d7267aeSSander Vanheule RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 9707d7267aeSSander Vanheule notifications and system reset on timeout. 9717d7267aeSSander Vanheule 9727d7267aeSSander Vanheule When built as a module this will be called realtek_otto_wdt. 9737d7267aeSSander Vanheule 97447760346SEric Longconfig SPRD_WATCHDOG 97547760346SEric Long tristate "Spreadtrum watchdog support" 97647760346SEric Long depends on ARCH_SPRD || COMPILE_TEST 97747760346SEric Long select WATCHDOG_CORE 97847760346SEric Long help 97947760346SEric Long Say Y here to include watchdog timer supported 98047760346SEric Long by Spreadtrum system. 981b7e04f8cSWim Van Sebroeck 982969c0accSLoic Poulainconfig PM8916_WATCHDOG 983969c0accSLoic Poulain tristate "QCOM PM8916 pmic watchdog" 984969c0accSLoic Poulain depends on OF && MFD_SPMI_PMIC 985969c0accSLoic Poulain select WATCHDOG_CORE 986969c0accSLoic Poulain help 987969c0accSLoic Poulain Say Y here to include support watchdog timer embedded into the 988969c0accSLoic Poulain pm8916 module. 989969c0accSLoic Poulain 990c5b8e464SNobuhiro Iwamatsuconfig VISCONTI_WATCHDOG 991c5b8e464SNobuhiro Iwamatsu tristate "Toshiba Visconti series watchdog support" 992c5b8e464SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 993c5b8e464SNobuhiro Iwamatsu select WATCHDOG_CORE 994c5b8e464SNobuhiro Iwamatsu help 995c5b8e464SNobuhiro Iwamatsu Say Y here to include support for the watchdog timer in Toshiba 996c5b8e464SNobuhiro Iwamatsu Visconti SoCs. 997c5b8e464SNobuhiro Iwamatsu 998e9800b79SDaniel Palmerconfig MSC313E_WATCHDOG 999e9800b79SDaniel Palmer tristate "MStar MSC313e watchdog" 1000e9800b79SDaniel Palmer depends on ARCH_MSTARV7 || COMPILE_TEST 1001e9800b79SDaniel Palmer select WATCHDOG_CORE 1002e9800b79SDaniel Palmer help 1003e9800b79SDaniel Palmer Say Y here to include support for the Watchdog timer embedded 1004e9800b79SDaniel Palmer into MStar MSC313e chips. This will reboot your system when the 1005e9800b79SDaniel Palmer timeout is reached. 1006e9800b79SDaniel Palmer 1007e9800b79SDaniel Palmer To compile this driver as a module, choose M here: the 1008e9800b79SDaniel Palmer module will be called msc313e_wdt. 1009e9800b79SDaniel Palmer 10104ed224aeSSven Peterconfig APPLE_WATCHDOG 10114ed224aeSSven Peter tristate "Apple SoC watchdog" 10124ed224aeSSven Peter depends on ARCH_APPLE || COMPILE_TEST 10134ed224aeSSven Peter select WATCHDOG_CORE 10144ed224aeSSven Peter help 10154ed224aeSSven Peter Say Y here to include support for the Watchdog found in Apple 10164ed224aeSSven Peter SoCs such as the M1. Next to the common watchdog features this 10174ed224aeSSven Peter driver is also required in order to reboot these SoCs. 10184ed224aeSSven Peter 10194ed224aeSSven Peter To compile this driver as a module, choose M here: the 10204ed224aeSSven Peter module will be called apple_wdt. 10214ed224aeSSven Peter 1022daf42866SXiantao Huconfig SUNPLUS_WATCHDOG 1023daf42866SXiantao Hu tristate "Sunplus watchdog support" 1024daf42866SXiantao Hu depends on ARCH_SUNPLUS || COMPILE_TEST 1025daf42866SXiantao Hu select WATCHDOG_CORE 1026daf42866SXiantao Hu help 1027daf42866SXiantao Hu Say Y here to include support for the watchdog timer 1028daf42866SXiantao Hu in Sunplus SoCs. 1029daf42866SXiantao Hu 1030daf42866SXiantao Hu To compile this driver as a module, choose M here: the 1031daf42866SXiantao Hu module will be called sunplus_wdt. 1032daf42866SXiantao Hu 1033b7e04f8cSWim Van Sebroeck# X86 (i386 + ia64 + x86_64) Architecture 1034b7e04f8cSWim Van Sebroeck 1035b7e04f8cSWim Van Sebroeckconfig ACQUIRE_WDT 1036b7e04f8cSWim Van Sebroeck tristate "Acquire SBC Watchdog Timer" 1037b7e04f8cSWim Van Sebroeck depends on X86 1038a7f7f624SMasahiro Yamada help 1039b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on Single Board 1040b7e04f8cSWim Van Sebroeck Computers produced by Acquire Inc (and others). This watchdog 1041b7e04f8cSWim Van Sebroeck simply watches your kernel to make sure it doesn't freeze, and if 1042b7e04f8cSWim Van Sebroeck it does, it reboots your computer after a certain amount of time. 1043b7e04f8cSWim Van Sebroeck 1044b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1045b7e04f8cSWim Van Sebroeck module will be called acquirewdt. 1046b7e04f8cSWim Van Sebroeck 1047b7e04f8cSWim Van Sebroeck Most people will say N. 1048b7e04f8cSWim Van Sebroeck 1049b7e04f8cSWim Van Sebroeckconfig ADVANTECH_WDT 1050b7e04f8cSWim Van Sebroeck tristate "Advantech SBC Watchdog Timer" 1051b7e04f8cSWim Van Sebroeck depends on X86 1052b7e04f8cSWim Van Sebroeck help 1053b7e04f8cSWim Van Sebroeck If you are configuring a Linux kernel for the Advantech single-board 1054b7e04f8cSWim Van Sebroeck computer, say `Y' here to support its built-in watchdog timer 1055b7e04f8cSWim Van Sebroeck feature. More information can be found at 10562ab77a34SAlexander A. Klimov <https://www.advantech.com.tw/products/> 1057b7e04f8cSWim Van Sebroeck 1058b7e04f8cSWim Van Sebroeckconfig ALIM1535_WDT 1059b7e04f8cSWim Van Sebroeck tristate "ALi M1535 PMU Watchdog Timer" 1060b7e04f8cSWim Van Sebroeck depends on X86 && PCI 1061a7f7f624SMasahiro Yamada help 1062b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M1535 PMU. 1063b7e04f8cSWim Van Sebroeck 1064b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1065b7e04f8cSWim Van Sebroeck module will be called alim1535_wdt. 1066b7e04f8cSWim Van Sebroeck 1067b7e04f8cSWim Van Sebroeck Most people will say N. 1068b7e04f8cSWim Van Sebroeck 1069b7e04f8cSWim Van Sebroeckconfig ALIM7101_WDT 1070b7e04f8cSWim Van Sebroeck tristate "ALi M7101 PMU Computer Watchdog" 1071bdd87354SAlexander Clouter depends on PCI 1072b7e04f8cSWim Van Sebroeck help 1073b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M7101 PMU 1074bdd87354SAlexander Clouter as used in the x86 Cobalt servers and also found in some 1075bdd87354SAlexander Clouter SPARC Netra servers too. 1076b7e04f8cSWim Van Sebroeck 1077b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1078b7e04f8cSWim Van Sebroeck module will be called alim7101_wdt. 1079b7e04f8cSWim Van Sebroeck 1080b7e04f8cSWim Van Sebroeck Most people will say N. 1081b7e04f8cSWim Van Sebroeck 1082c36a483dSWilliam Breathitt Grayconfig EBC_C384_WDT 1083c36a483dSWilliam Breathitt Gray tristate "WinSystems EBC-C384 Watchdog Timer" 1084ccfe35eaSWilliam Breathitt Gray depends on X86 1085ccfe35eaSWilliam Breathitt Gray select ISA_BUS_API 1086c36a483dSWilliam Breathitt Gray select WATCHDOG_CORE 1087c36a483dSWilliam Breathitt Gray help 1088c36a483dSWilliam Breathitt Gray Enables watchdog timer support for the watchdog timer on the 1089c36a483dSWilliam Breathitt Gray WinSystems EBC-C384 motherboard. The timeout may be configured via 1090c36a483dSWilliam Breathitt Gray the timeout module parameter. 1091c36a483dSWilliam Breathitt Gray 109296cb4eb0SGiel van Schijndelconfig F71808E_WDT 1093166fbcf8SMaciej S. Szmigiero tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1094e1926349SKees Cook depends on X86 10958bea27edSAhmad Fatoum select WATCHDOG_CORE 109696cb4eb0SGiel van Schijndel help 1097166fbcf8SMaciej S. Szmigiero This is the driver for the hardware watchdog on the Fintek F71808E, 1098ca2fc5efSJaret Cantu F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1099ca2fc5efSJaret Cantu F81866 Super I/O controllers. 110096cb4eb0SGiel van Schijndel 110196cb4eb0SGiel van Schijndel You can compile this driver directly into the kernel, or use 110296cb4eb0SGiel van Schijndel it as a module. The module will be called f71808e_wdt. 110396cb4eb0SGiel van Schijndel 110415e28bf1SPriyanka Guptaconfig SP5100_TCO 110515e28bf1SPriyanka Gupta tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 110615e28bf1SPriyanka Gupta depends on X86 && PCI 1107a17f4f03SWim Van Sebroeck select WATCHDOG_CORE 1108a7f7f624SMasahiro Yamada help 110915e28bf1SPriyanka Gupta Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 111015e28bf1SPriyanka Gupta (Total Cost of Ownership) timer is a watchdog timer that will reboot 111115e28bf1SPriyanka Gupta the machine after its expiration. The expiration time can be 111215e28bf1SPriyanka Gupta configured with the "heartbeat" parameter. 111315e28bf1SPriyanka Gupta 111415e28bf1SPriyanka Gupta To compile this driver as a module, choose M here: the 111515e28bf1SPriyanka Gupta module will be called sp5100_tco. 111696cb4eb0SGiel van Schijndel 11170b36086bSJordan Crouseconfig GEODE_WDT 11180b36086bSJordan Crouse tristate "AMD Geode CS5535/CS5536 Watchdog" 11190369fdf2SArnd Bergmann depends on CS5535_MFGPT 11200b36086bSJordan Crouse help 11210b36086bSJordan Crouse This driver enables a watchdog capability built into the 11220b36086bSJordan Crouse CS5535/CS5536 companion chips for the AMD Geode GX and LX 11230b36086bSJordan Crouse processors. This watchdog watches your kernel to make sure 11240b36086bSJordan Crouse it doesn't freeze, and if it does, it reboots your computer after 11250b36086bSJordan Crouse a certain amount of time. 11260b36086bSJordan Crouse 11270b36086bSJordan Crouse You can compile this driver directly into the kernel, or use 11280b36086bSJordan Crouse it as a module. The module will be called geodewdt. 11290b36086bSJordan Crouse 1130b7e04f8cSWim Van Sebroeckconfig SC520_WDT 1131b7e04f8cSWim Van Sebroeck tristate "AMD Elan SC520 processor Watchdog" 1132da2a68b3SGuenter Roeck depends on MELAN || COMPILE_TEST 1133b7e04f8cSWim Van Sebroeck help 1134b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog built in to the 1135b7e04f8cSWim Van Sebroeck AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1136b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1137b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1138b7e04f8cSWim Van Sebroeck amount of time. 1139b7e04f8cSWim Van Sebroeck 1140b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1141b7e04f8cSWim Van Sebroeck it as a module. The module will be called sc520_wdt. 1142b7e04f8cSWim Van Sebroeck 11433a5f9000SDenis Turischevconfig SBC_FITPC2_WATCHDOG 11443a5f9000SDenis Turischev tristate "Compulab SBC-FITPC2 watchdog" 11453a5f9000SDenis Turischev depends on X86 1146a7f7f624SMasahiro Yamada help 1147ef39a1bfSDenis Turischev This is the driver for the built-in watchdog timer on the fit-PC2, 1148ef39a1bfSDenis Turischev fit-PC2i, CM-iAM single-board computers made by Compulab. 11493a5f9000SDenis Turischev 115001028829SRandy Dunlap It's possible to enable the watchdog timer either from BIOS (F2) or 115101028829SRandy Dunlap from booted Linux. 115201028829SRandy Dunlap When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 115301028829SRandy Dunlap operational range. 11543a5f9000SDenis Turischev 115501028829SRandy Dunlap Entering BIOS setup temporarily disables watchdog operation regardless 115601028829SRandy Dunlap of current state, so system will not be restarted while user is in 115701028829SRandy Dunlap BIOS setup. 11583a5f9000SDenis Turischev 115901028829SRandy Dunlap Once the watchdog is enabled the system will be restarted every 11603a5f9000SDenis Turischev "Watchdog Timer Value" period, so to prevent it user can restart or 11613a5f9000SDenis Turischev disable the watchdog. 11623a5f9000SDenis Turischev 11633a5f9000SDenis Turischev To compile this driver as a module, choose M here: the 11643a5f9000SDenis Turischev module will be called sbc_fitpc2_wdt. 11653a5f9000SDenis Turischev 11663a5f9000SDenis Turischev Most people will say N. 11673a5f9000SDenis Turischev 1168b7e04f8cSWim Van Sebroeckconfig EUROTECH_WDT 1169b7e04f8cSWim Van Sebroeck tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1170b7e04f8cSWim Van Sebroeck depends on X86 1171b7e04f8cSWim Van Sebroeck help 1172b7e04f8cSWim Van Sebroeck Enable support for the watchdog timer on the Eurotech CPU-1220 and 1173b7e04f8cSWim Van Sebroeck CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1174b7e04f8cSWim Van Sebroeck information are at <http://www.eurotech.it/>. 1175b7e04f8cSWim Van Sebroeck 1176b7e04f8cSWim Van Sebroeckconfig IB700_WDT 1177b7e04f8cSWim Van Sebroeck tristate "IB700 SBC Watchdog Timer" 1178b7e04f8cSWim Van Sebroeck depends on X86 1179a7f7f624SMasahiro Yamada help 1180b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the IB700 Single 118101028829SRandy Dunlap Board Computer produced by TMC Technology (www.tmc-uk.com). This 118201028829SRandy Dunlap watchdog simply watches your kernel to make sure it doesn't freeze, 118301028829SRandy Dunlap and if it does, it reboots your computer after a certain amount of time. 1184b7e04f8cSWim Van Sebroeck 118501028829SRandy Dunlap This driver is like the WDT501 driver but for slightly different 118601028829SRandy Dunlap hardware. 1187b7e04f8cSWim Van Sebroeck 1188b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1189b7e04f8cSWim Van Sebroeck module will be called ib700wdt. 1190b7e04f8cSWim Van Sebroeck 1191b7e04f8cSWim Van Sebroeck Most people will say N. 1192b7e04f8cSWim Van Sebroeck 1193b7e04f8cSWim Van Sebroeckconfig IBMASR 1194b7e04f8cSWim Van Sebroeck tristate "IBM Automatic Server Restart" 1195b7e04f8cSWim Van Sebroeck depends on X86 1196b7e04f8cSWim Van Sebroeck help 1197b7e04f8cSWim Van Sebroeck This is the driver for the IBM Automatic Server Restart watchdog 1198b7e04f8cSWim Van Sebroeck timer built-in into some eServer xSeries machines. 1199b7e04f8cSWim Van Sebroeck 1200b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1201b7e04f8cSWim Van Sebroeck module will be called ibmasr. 1202b7e04f8cSWim Van Sebroeck 1203b7e04f8cSWim Van Sebroeckconfig WAFER_WDT 120401ed08c1SVeljkovic Srdjan tristate "ICP Single Board Computer Watchdog Timer" 1205b7e04f8cSWim Van Sebroeck depends on X86 1206b7e04f8cSWim Van Sebroeck help 120701ed08c1SVeljkovic Srdjan This is a driver for the hardware watchdog on the ICP Single 120801ed08c1SVeljkovic Srdjan Board Computer. This driver is working on (at least) the following 120901ed08c1SVeljkovic Srdjan IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1210b7e04f8cSWim Van Sebroeck 1211b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1212b7e04f8cSWim Van Sebroeck module will be called wafer5823wdt. 1213b7e04f8cSWim Van Sebroeck 1214b7e04f8cSWim Van Sebroeckconfig I6300ESB_WDT 1215b7e04f8cSWim Van Sebroeck tristate "Intel 6300ESB Timer/Watchdog" 12167050bd54SMichael Olbrich depends on PCI 12177e2e5158SMatteo Croce select WATCHDOG_CORE 1218a7f7f624SMasahiro Yamada help 1219b7e04f8cSWim Van Sebroeck Hardware driver for the watchdog timer built into the Intel 1220b7e04f8cSWim Van Sebroeck 6300ESB controller hub. 1221b7e04f8cSWim Van Sebroeck 1222b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1223b7e04f8cSWim Van Sebroeck module will be called i6300esb. 1224b7e04f8cSWim Van Sebroeck 1225101ce87bSAlexander Steinconfig IE6XX_WDT 1226101ce87bSAlexander Stein tristate "Intel Atom E6xx Watchdog" 1227101ce87bSAlexander Stein depends on X86 && PCI 1228101ce87bSAlexander Stein select WATCHDOG_CORE 1229101ce87bSAlexander Stein select MFD_CORE 1230101ce87bSAlexander Stein select LPC_SCH 1231a7f7f624SMasahiro Yamada help 1232101ce87bSAlexander Stein Hardware driver for the watchdog timer built into the Intel 1233101ce87bSAlexander Stein Atom E6XX (TunnelCreek) processor. 1234101ce87bSAlexander Stein 1235101ce87bSAlexander Stein To compile this driver as a module, choose M here: the 1236101ce87bSAlexander Stein module will be called ie6xx_wdt. 1237101ce87bSAlexander Stein 123887a1ef80SDavid Cohenconfig INTEL_MID_WATCHDOG 123987a1ef80SDavid Cohen tristate "Intel MID Watchdog Timer" 124087a1ef80SDavid Cohen depends on X86_INTEL_MID 124187a1ef80SDavid Cohen select WATCHDOG_CORE 1242a7f7f624SMasahiro Yamada help 124387a1ef80SDavid Cohen Watchdog timer driver built into the Intel SCU for Intel MID 124487a1ef80SDavid Cohen Platforms. 124587a1ef80SDavid Cohen 124687a1ef80SDavid Cohen This driver currently supports only the watchdog evolution 124787a1ef80SDavid Cohen implementation in SCU, available for Merrifield generation. 124887a1ef80SDavid Cohen 124987a1ef80SDavid Cohen To compile this driver as a module, choose M here. 125087a1ef80SDavid Cohen 1251b7e04f8cSWim Van Sebroeckconfig ITCO_WDT 1252b7e04f8cSWim Van Sebroeck tristate "Intel TCO Timer/Watchdog" 1253b7e04f8cSWim Van Sebroeck depends on (X86 || IA64) && PCI 1254bff23431SWim Van Sebroeck select WATCHDOG_CORE 12553cef072dSGuenter Roeck depends on I2C || I2C=n 1256b30c1a46SArnd Bergmann depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 12572a7a0e9bSMatt Fleming select LPC_ICH if !EXPERT 12583cef072dSGuenter Roeck select I2C_I801 if !EXPERT && I2C 1259a7f7f624SMasahiro Yamada help 1260b7e04f8cSWim Van Sebroeck Hardware driver for the intel TCO timer based watchdog devices. 1261b7e04f8cSWim Van Sebroeck These drivers are included in the Intel 82801 I/O Controller 126212d60e28SWim Van Sebroeck Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1263b7e04f8cSWim Van Sebroeck controller hub. 1264b7e04f8cSWim Van Sebroeck 1265b7e04f8cSWim Van Sebroeck The TCO (Total Cost of Ownership) timer is a watchdog timer 1266b7e04f8cSWim Van Sebroeck that will reboot the machine after its second expiration. The 1267b7e04f8cSWim Van Sebroeck expiration time can be configured with the "heartbeat" parameter. 1268b7e04f8cSWim Van Sebroeck 1269b7e04f8cSWim Van Sebroeck On some motherboards the driver may fail to reset the chipset's 1270b7e04f8cSWim Van Sebroeck NO_REBOOT flag which prevents the watchdog from rebooting the 1271b7e04f8cSWim Van Sebroeck machine. If this is the case you will get a kernel message like 1272b7e04f8cSWim Van Sebroeck "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1273b7e04f8cSWim Van Sebroeck 1274b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1275b7e04f8cSWim Van Sebroeck module will be called iTCO_wdt. 1276b7e04f8cSWim Van Sebroeck 1277b7e04f8cSWim Van Sebroeckconfig ITCO_VENDOR_SUPPORT 1278b7e04f8cSWim Van Sebroeck bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1279b7e04f8cSWim Van Sebroeck depends on ITCO_WDT 1280a7f7f624SMasahiro Yamada help 1281b7e04f8cSWim Van Sebroeck Add vendor specific support to the intel TCO timer based watchdog 1282b7e04f8cSWim Van Sebroeck devices. At this moment we only have additional support for some 1283b7e04f8cSWim Van Sebroeck SuperMicro Inc. motherboards. 1284b7e04f8cSWim Van Sebroeck 128538ff6fd2SJorge Boncompte [DTI2]config IT8712F_WDT 128638ff6fd2SJorge Boncompte [DTI2] tristate "IT8712F (Smart Guardian) Watchdog Timer" 128738ff6fd2SJorge Boncompte [DTI2] depends on X86 1288a7f7f624SMasahiro Yamada help 128938ff6fd2SJorge Boncompte [DTI2] This is the driver for the built-in watchdog timer on the IT8712F 129038ff6fd2SJorge Boncompte [DTI2] Super I/0 chipset used on many motherboards. 129138ff6fd2SJorge Boncompte [DTI2] 12924fc36808SWim Van Sebroeck If the driver does not work, then make sure that the game port in 12934fc36808SWim Van Sebroeck the BIOS is enabled. 12944fc36808SWim Van Sebroeck 129538ff6fd2SJorge Boncompte [DTI2] To compile this driver as a module, choose M here: the 129638ff6fd2SJorge Boncompte [DTI2] module will be called it8712f_wdt. 129738ff6fd2SJorge Boncompte [DTI2] 1298e1fee94fSOliver Schusterconfig IT87_WDT 1299e1fee94fSOliver Schuster tristate "IT87 Watchdog Timer" 1300e1926349SKees Cook depends on X86 13011d7b8039SGuenter Roeck select WATCHDOG_CORE 1302a7f7f624SMasahiro Yamada help 1303cddda07cSGuenter Roeck This is the driver for the hardware watchdog on the ITE IT8607, 1304cddda07cSGuenter Roeck IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1305cddda07cSGuenter Roeck IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1306cddda07cSGuenter Roeck IT8783 Super I/O chips. 1307198ca015SDiego Elio Pettenò 1308dfb0b8eaSOndrej Zajicek This watchdog simply watches your kernel to make sure it doesn't 1309dfb0b8eaSOndrej Zajicek freeze, and if it does, it reboots your computer after a certain 1310dfb0b8eaSOndrej Zajicek amount of time. 1311e1fee94fSOliver Schuster 1312e1fee94fSOliver Schuster To compile this driver as a module, choose M here: the module will 1313e1fee94fSOliver Schuster be called it87_wdt. 1314e1fee94fSOliver Schuster 13157f4da474SThomas Mingarelliconfig HP_WATCHDOG 1316ea6649c7SNaga Chumbalkar tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1317d0a4027fSJerry Hoemann select WATCHDOG_CORE 1318f71d26bbSRandy Dunlap depends on X86 && PCI 13197f4da474SThomas Mingarelli help 132000fd20b4SJerry Hoemann A software monitoring watchdog and NMI handling driver. This driver 132186ded1f3Sdann frazier will detect lockups and provide a stack trace. This is a driver that 1322ea6649c7SNaga Chumbalkar will only load on an HP ProLiant system with a minimum of iLO2 support. 132386ded1f3Sdann frazier To compile this driver as a module, choose M here: the module will be 132486ded1f3Sdann frazier called hpwdt. 132586ded1f3Sdann frazier 1326345f1625SGuenter Roeckconfig HPWDT_NMI_DECODING 1327345f1625SGuenter Roeck bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1328345f1625SGuenter Roeck depends on HP_WATCHDOG 1329345f1625SGuenter Roeck default y 1330345f1625SGuenter Roeck help 1331345f1625SGuenter Roeck Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1332345f1625SGuenter Roeck "Generate NMI to System" virtual button. When an NMI is claimed 1333345f1625SGuenter Roeck by the driver, panic is called. 1334345f1625SGuenter Roeck 1335e51c288eSKevin Strasserconfig KEMPLD_WDT 1336e51c288eSKevin Strasser tristate "Kontron COM Watchdog Timer" 1337ed4a9ecaSArnd Bergmann depends on MFD_KEMPLD 1338e51c288eSKevin Strasser select WATCHDOG_CORE 1339e51c288eSKevin Strasser help 1340e51c288eSKevin Strasser Support for the PLD watchdog on some Kontron ETX and COMexpress 1341e51c288eSKevin Strasser (ETXexpress) modules 1342e51c288eSKevin Strasser 1343e51c288eSKevin Strasser This driver can also be built as a module. If so, the module will be 1344e51c288eSKevin Strasser called kempld_wdt. 1345e51c288eSKevin Strasser 1346b7e04f8cSWim Van Sebroeckconfig SC1200_WDT 1347b7e04f8cSWim Van Sebroeck tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1348b7e04f8cSWim Van Sebroeck depends on X86 1349b7e04f8cSWim Van Sebroeck help 1350b7e04f8cSWim Van Sebroeck This is a driver for National Semiconductor PC87307/PC97307 hardware 1351b7e04f8cSWim Van Sebroeck watchdog cards as found on the SC1200. This watchdog is mainly used 1352b7e04f8cSWim Van Sebroeck for power management purposes and can be used to power down the device 1353b7e04f8cSWim Van Sebroeck during inactivity periods (includes interrupt activity monitoring). 1354b7e04f8cSWim Van Sebroeck 1355b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1356b7e04f8cSWim Van Sebroeck module will be called sc1200wdt. 1357b7e04f8cSWim Van Sebroeck 1358b7e04f8cSWim Van Sebroeck Most people will say N. 1359b7e04f8cSWim Van Sebroeck 1360b7e04f8cSWim Van Sebroeckconfig SCx200_WDT 1361b7e04f8cSWim Van Sebroeck tristate "National Semiconductor SCx200 Watchdog" 1362b7e04f8cSWim Van Sebroeck depends on SCx200 && PCI 1363b7e04f8cSWim Van Sebroeck help 1364b7e04f8cSWim Van Sebroeck Enable the built-in watchdog timer support on the National 1365b7e04f8cSWim Van Sebroeck Semiconductor SCx200 processors. 1366b7e04f8cSWim Van Sebroeck 1367b7e04f8cSWim Van Sebroeck If compiled as a module, it will be called scx200_wdt. 1368b7e04f8cSWim Van Sebroeck 1369b7e04f8cSWim Van Sebroeckconfig PC87413_WDT 1370b7e04f8cSWim Van Sebroeck tristate "NS PC87413 watchdog" 1371b7e04f8cSWim Van Sebroeck depends on X86 1372a7f7f624SMasahiro Yamada help 1373b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the PC87413 chipset 1374b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1375b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1376b7e04f8cSWim Van Sebroeck amount of time. 1377b7e04f8cSWim Van Sebroeck 1378b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1379b7e04f8cSWim Van Sebroeck module will be called pc87413_wdt. 1380b7e04f8cSWim Van Sebroeck 1381b7e04f8cSWim Van Sebroeck Most people will say N. 1382b7e04f8cSWim Van Sebroeck 1383456c7301SMike Waychisonconfig NV_TCO 1384456c7301SMike Waychison tristate "nVidia TCO Timer/Watchdog" 1385456c7301SMike Waychison depends on X86 && PCI 1386a7f7f624SMasahiro Yamada help 1387456c7301SMike Waychison Hardware driver for the TCO timer built into the nVidia Hub family 1388456c7301SMike Waychison (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1389456c7301SMike Waychison watchdog timer that will reboot the machine after its second 1390456c7301SMike Waychison expiration. The expiration time can be configured with the 1391456c7301SMike Waychison "heartbeat" parameter. 1392456c7301SMike Waychison 1393456c7301SMike Waychison On some motherboards the driver may fail to reset the chipset's 1394456c7301SMike Waychison NO_REBOOT flag which prevents the watchdog from rebooting the 1395456c7301SMike Waychison machine. If this is the case you will get a kernel message like 1396456c7301SMike Waychison "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1397456c7301SMike Waychison 1398456c7301SMike Waychison To compile this driver as a module, choose M here: the 1399456c7301SMike Waychison module will be called nv_tco. 1400456c7301SMike Waychison 1401b3e8f2c1SFlorian Fainelliconfig RDC321X_WDT 1402b3e8f2c1SFlorian Fainelli tristate "RDC R-321x SoC watchdog" 1403da2a68b3SGuenter Roeck depends on X86_RDC321X || COMPILE_TEST 14048751f90cSGuenter Roeck depends on PCI 1405b3e8f2c1SFlorian Fainelli help 1406b3e8f2c1SFlorian Fainelli This is the driver for the built in hardware watchdog 1407b3e8f2c1SFlorian Fainelli in the RDC R-321x SoC. 1408b3e8f2c1SFlorian Fainelli 1409b3e8f2c1SFlorian Fainelli To compile this driver as a module, choose M here: the 1410b3e8f2c1SFlorian Fainelli module will be called rdc321x_wdt. 1411b3e8f2c1SFlorian Fainelli 1412b7e04f8cSWim Van Sebroeckconfig 60XX_WDT 1413b7e04f8cSWim Van Sebroeck tristate "SBC-60XX Watchdog Timer" 1414b7e04f8cSWim Van Sebroeck depends on X86 1415b7e04f8cSWim Van Sebroeck help 1416b7e04f8cSWim Van Sebroeck This driver can be used with the watchdog timer found on some 1417b7e04f8cSWim Van Sebroeck single board computers, namely the 6010 PII based computer. 1418b7e04f8cSWim Van Sebroeck It may well work with other cards. It reads port 0x443 to enable 1419b7e04f8cSWim Van Sebroeck and re-set the watchdog timer, and reads port 0x45 to disable 1420b7e04f8cSWim Van Sebroeck the watchdog. If you have a card that behave in similar ways, 1421b7e04f8cSWim Van Sebroeck you can probably make this driver work with your card as well. 1422b7e04f8cSWim Van Sebroeck 1423b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1424b7e04f8cSWim Van Sebroeck it as a module. The module will be called sbc60xxwdt. 1425b7e04f8cSWim Van Sebroeck 1426b7e04f8cSWim Van Sebroeckconfig SBC8360_WDT 1427b7e04f8cSWim Van Sebroeck tristate "SBC8360 Watchdog Timer" 14281e8c8a5bSJean Delvare depends on X86_32 1429a7f7f624SMasahiro Yamada help 1430b7e04f8cSWim Van Sebroeck 1431b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the SBC8360 Single 1432b7e04f8cSWim Van Sebroeck Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1433b7e04f8cSWim Van Sebroeck 1434b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 14354737f097SPavel Machek module will be called sbc8360. 1436b7e04f8cSWim Van Sebroeck 1437b7e04f8cSWim Van Sebroeck Most people will say N. 1438b7e04f8cSWim Van Sebroeck 1439c4c28335SGilles Giganconfig SBC7240_WDT 1440c4c28335SGilles Gigan tristate "SBC Nano 7240 Watchdog Timer" 14413369465eSAl Viro depends on X86_32 && !UML 1442a7f7f624SMasahiro Yamada help 1443c4c28335SGilles Gigan This is the driver for the hardware watchdog found on the IEI 1444c4c28335SGilles Gigan single board computers EPIC Nano 7240 (and likely others). This 1445c4c28335SGilles Gigan watchdog simply watches your kernel to make sure it doesn't freeze, 1446c4c28335SGilles Gigan and if it does, it reboots your computer after a certain amount of 1447c4c28335SGilles Gigan time. 1448c4c28335SGilles Gigan 1449c4c28335SGilles Gigan To compile this driver as a module, choose M here: the 1450c4c28335SGilles Gigan module will be called sbc7240_wdt. 1451c4c28335SGilles Gigan 1452b7e04f8cSWim Van Sebroeckconfig CPU5_WDT 1453b7e04f8cSWim Van Sebroeck tristate "SMA CPU5 Watchdog" 1454b7e04f8cSWim Van Sebroeck depends on X86 1455a7f7f624SMasahiro Yamada help 1456b7e04f8cSWim Van Sebroeck TBD. 1457b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1458b7e04f8cSWim Van Sebroeck module will be called cpu5wdt. 1459b7e04f8cSWim Van Sebroeck 14604c6e63bdSWim Van Sebroeckconfig SMSC_SCH311X_WDT 14614c6e63bdSWim Van Sebroeck tristate "SMSC SCH311X Watchdog Timer" 14624c6e63bdSWim Van Sebroeck depends on X86 1463a7f7f624SMasahiro Yamada help 14644c6e63bdSWim Van Sebroeck This is the driver for the hardware watchdog timer on the 14654c6e63bdSWim Van Sebroeck SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 14664c6e63bdSWim Van Sebroeck (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 14674c6e63bdSWim Van Sebroeck serial ports). 14684c6e63bdSWim Van Sebroeck 14694c6e63bdSWim Van Sebroeck To compile this driver as a module, choose M here: the 14704c6e63bdSWim Van Sebroeck module will be called sch311x_wdt. 14714c6e63bdSWim Van Sebroeck 1472b7e04f8cSWim Van Sebroeckconfig SMSC37B787_WDT 1473b7e04f8cSWim Van Sebroeck tristate "Winbond SMsC37B787 Watchdog Timer" 1474b7e04f8cSWim Van Sebroeck depends on X86 1475a7f7f624SMasahiro Yamada help 1476b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog component on the 1477b7e04f8cSWim Van Sebroeck Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1478b7e04f8cSWim Van Sebroeck from Vision Systems and maybe others. 1479b7e04f8cSWim Van Sebroeck 1480b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1481b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1482b7e04f8cSWim Van Sebroeck amount of time. 1483b7e04f8cSWim Van Sebroeck 1484b7e04f8cSWim Van Sebroeck Usually a userspace daemon will notify the kernel WDT driver that 1485b7e04f8cSWim Van Sebroeck userspace is still alive, at regular intervals. 1486b7e04f8cSWim Van Sebroeck 1487b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1488b7e04f8cSWim Van Sebroeck module will be called smsc37b787_wdt. 1489b7e04f8cSWim Van Sebroeck 1490b7e04f8cSWim Van Sebroeck Most people will say N. 1491b7e04f8cSWim Van Sebroeck 1492e3c21e08SAndrew Lunnconfig TQMX86_WDT 1493e3c21e08SAndrew Lunn tristate "TQ-Systems TQMX86 Watchdog Timer" 1494e3c21e08SAndrew Lunn depends on X86 14959a6c274aSYueHaibing select WATCHDOG_CORE 1496e3c21e08SAndrew Lunn help 1497e3c21e08SAndrew Lunn This is the driver for the hardware watchdog timer in the TQMX86 IO 1498e3c21e08SAndrew Lunn controller found on some of their ComExpress Modules. 1499e3c21e08SAndrew Lunn 1500e3c21e08SAndrew Lunn To compile this driver as a module, choose M here; the module 1501e3c21e08SAndrew Lunn will be called tqmx86_wdt. 1502e3c21e08SAndrew Lunn 1503e3c21e08SAndrew Lunn Most people will say N. 1504e3c21e08SAndrew Lunn 1505dc3c56b7SMarc Vertesconfig VIA_WDT 1506dc3c56b7SMarc Vertes tristate "VIA Watchdog Timer" 1507690e7a70SRandy Dunlap depends on X86 && PCI 1508dc3c56b7SMarc Vertes select WATCHDOG_CORE 1509a7f7f624SMasahiro Yamada help 1510dc3c56b7SMarc Vertes This is the driver for the hardware watchdog timer on VIA 1511dc3c56b7SMarc Vertes southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1512dc3c56b7SMarc Vertes 1513dc3c56b7SMarc Vertes To compile this driver as a module, choose M here; the module 1514dc3c56b7SMarc Vertes will be called via_wdt. 1515dc3c56b7SMarc Vertes 1516dc3c56b7SMarc Vertes Most people will say N. 1517dc3c56b7SMarc Vertes 1518b7e04f8cSWim Van Sebroeckconfig W83627HF_WDT 1519962c04f5SGuenter Roeck tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1520b7e04f8cSWim Van Sebroeck depends on X86 152130a83695SGuenter Roeck select WATCHDOG_CORE 1522a7f7f624SMasahiro Yamada help 1523962c04f5SGuenter Roeck This is the driver for the hardware watchdog on the following 1524962c04f5SGuenter Roeck Super I/O chips. 1525962c04f5SGuenter Roeck W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1526962c04f5SGuenter Roeck W83637HF 1527962c04f5SGuenter Roeck W83667HG/HG-B 1528962c04f5SGuenter Roeck W83687THF 15297b6d0b6aSGuenter Roeck W83697HF 15307b6d0b6aSGuenter Roeck W83697UG 1531962c04f5SGuenter Roeck NCT6775 1532962c04f5SGuenter Roeck NCT6776 1533962c04f5SGuenter Roeck NCT6779 1534a77841d5SGuenter Roeck NCT6791 1535a77841d5SGuenter Roeck NCT6792 153633f74b89SRob Kramer NCT6102D/04D/06D 1537e11cfc69SSrikanth Krishnakar NCT6116D 1538962c04f5SGuenter Roeck 15399c67bea4SBenny Loenstrup Ammitzboell This watchdog simply watches your kernel to make sure it doesn't 15409c67bea4SBenny Loenstrup Ammitzboell freeze, and if it does, it reboots your computer after a certain 15419c67bea4SBenny Loenstrup Ammitzboell amount of time. 1542b7e04f8cSWim Van Sebroeck 1543b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1544b7e04f8cSWim Van Sebroeck module will be called w83627hf_wdt. 1545b7e04f8cSWim Van Sebroeck 1546b7e04f8cSWim Van Sebroeck Most people will say N. 1547b7e04f8cSWim Van Sebroeck 1548b7e04f8cSWim Van Sebroeckconfig W83877F_WDT 1549b7e04f8cSWim Van Sebroeck tristate "W83877F (EMACS) Watchdog Timer" 1550b7e04f8cSWim Van Sebroeck depends on X86 1551a7f7f624SMasahiro Yamada help 1552b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83877F chipset 1553b7e04f8cSWim Van Sebroeck as used in EMACS PC-104 motherboards (and likely others). This 1554b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1555b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1556b7e04f8cSWim Van Sebroeck time. 1557b7e04f8cSWim Van Sebroeck 1558b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1559b7e04f8cSWim Van Sebroeck module will be called w83877f_wdt. 1560b7e04f8cSWim Van Sebroeck 1561b7e04f8cSWim Van Sebroeck Most people will say N. 1562b7e04f8cSWim Van Sebroeck 1563b7e04f8cSWim Van Sebroeckconfig W83977F_WDT 1564b7e04f8cSWim Van Sebroeck tristate "W83977F (PCM-5335) Watchdog Timer" 1565b7e04f8cSWim Van Sebroeck depends on X86 1566a7f7f624SMasahiro Yamada help 1567b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83977F I/O chip 1568b7e04f8cSWim Van Sebroeck as used in AAEON's PCM-5335 SBC (and likely others). This 1569b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1570b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1571b7e04f8cSWim Van Sebroeck time. 1572b7e04f8cSWim Van Sebroeck 1573b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1574b7e04f8cSWim Van Sebroeck module will be called w83977f_wdt. 1575b7e04f8cSWim Van Sebroeck 1576b7e04f8cSWim Van Sebroeckconfig MACHZ_WDT 1577b7e04f8cSWim Van Sebroeck tristate "ZF MachZ Watchdog" 1578b7e04f8cSWim Van Sebroeck depends on X86 1579a7f7f624SMasahiro Yamada help 1580b7e04f8cSWim Van Sebroeck If you are using a ZF Micro MachZ processor, say Y here, otherwise 1581b7e04f8cSWim Van Sebroeck N. This is the driver for the watchdog timer built-in on that 1582b7e04f8cSWim Van Sebroeck processor using ZF-Logic interface. This watchdog simply watches 1583b7e04f8cSWim Van Sebroeck your kernel to make sure it doesn't freeze, and if it does, it 1584b7e04f8cSWim Van Sebroeck reboots your computer after a certain amount of time. 1585b7e04f8cSWim Van Sebroeck 1586b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1587b7e04f8cSWim Van Sebroeck module will be called machzwd. 1588b7e04f8cSWim Van Sebroeck 1589b7e04f8cSWim Van Sebroeckconfig SBC_EPX_C3_WATCHDOG 1590b7e04f8cSWim Van Sebroeck tristate "Winsystems SBC EPX-C3 watchdog" 1591b7e04f8cSWim Van Sebroeck depends on X86 1592a7f7f624SMasahiro Yamada help 1593b7e04f8cSWim Van Sebroeck This is the driver for the built-in watchdog timer on the EPX-C3 1594b7e04f8cSWim Van Sebroeck Single-board computer made by Winsystems, Inc. 1595b7e04f8cSWim Van Sebroeck 1596b7e04f8cSWim Van Sebroeck *Note*: This hardware watchdog is not probeable and thus there 1597b7e04f8cSWim Van Sebroeck is no way to know if writing to its IO address will corrupt 1598b7e04f8cSWim Van Sebroeck your system or have any real effect. The only way to be sure 1599b7e04f8cSWim Van Sebroeck that this driver does what you want is to make sure you 1600b7e04f8cSWim Van Sebroeck are running it on an EPX-C3 from Winsystems with the watchdog 1601b7e04f8cSWim Van Sebroeck timer at IO address 0x1ee and 0x1ef. It will write to both those 1602b7e04f8cSWim Van Sebroeck IO ports. Basically, the assumption is made that if you compile 1603b7e04f8cSWim Van Sebroeck this driver into your kernel and/or load it as a module, that you 1604b7e04f8cSWim Van Sebroeck know what you are doing and that you are in fact running on an 1605b7e04f8cSWim Van Sebroeck EPX-C3 board! 1606b7e04f8cSWim Van Sebroeck 1607b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1608b7e04f8cSWim Van Sebroeck module will be called sbc_epx_c3. 1609b7e04f8cSWim Van Sebroeck 1610222818c3STomas Winklerconfig INTEL_MEI_WDT 1611222818c3STomas Winkler tristate "Intel MEI iAMT Watchdog" 1612222818c3STomas Winkler depends on INTEL_MEI && X86 1613222818c3STomas Winkler select WATCHDOG_CORE 1614a7f7f624SMasahiro Yamada help 1615222818c3STomas Winkler A device driver for the Intel MEI iAMT watchdog. 1616222818c3STomas Winkler 1617222818c3STomas Winkler The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1618222818c3STomas Winkler Whenever the OS hangs or crashes, iAMT will send an event 1619222818c3STomas Winkler to any subscriber to this event. The watchdog doesn't reset the 1620222818c3STomas Winkler the platform. 1621222818c3STomas Winkler 1622222818c3STomas Winkler To compile this driver as a module, choose M here: 1623222818c3STomas Winkler the module will be called mei_wdt. 1624222818c3STomas Winkler 162570f39976SKyle Roeschleyconfig NI903X_WDT 162670f39976SKyle Roeschley tristate "NI 903x/913x Watchdog" 162770f39976SKyle Roeschley depends on X86 && ACPI 162870f39976SKyle Roeschley select WATCHDOG_CORE 1629a7f7f624SMasahiro Yamada help 163070f39976SKyle Roeschley This is the driver for the watchdog timer on the National Instruments 163170f39976SKyle Roeschley 903x/913x real-time controllers. 163270f39976SKyle Roeschley 163370f39976SKyle Roeschley To compile this driver as a module, choose M here: the module will be 163470f39976SKyle Roeschley called ni903x_wdt. 163570f39976SKyle Roeschley 163698078ca3SHui Chun Ongconfig NIC7018_WDT 163798078ca3SHui Chun Ong tristate "NIC7018 Watchdog" 163898078ca3SHui Chun Ong depends on X86 && ACPI 163998078ca3SHui Chun Ong select WATCHDOG_CORE 1640a7f7f624SMasahiro Yamada help 164198078ca3SHui Chun Ong Support for National Instruments NIC7018 Watchdog. 164298078ca3SHui Chun Ong 164398078ca3SHui Chun Ong To compile this driver as a module, choose M here: the module will be 164498078ca3SHui Chun Ong called nic7018_wdt. 164598078ca3SHui Chun Ong 16462ebd32ceSHenning Schildconfig SIEMENS_SIMATIC_IPC_WDT 16472ebd32ceSHenning Schild tristate "Siemens Simatic IPC Watchdog" 16482ebd32ceSHenning Schild depends on SIEMENS_SIMATIC_IPC 16492ebd32ceSHenning Schild select WATCHDOG_CORE 16502ebd32ceSHenning Schild help 16512ebd32ceSHenning Schild This driver adds support for several watchdogs found in Industrial 16522ebd32ceSHenning Schild PCs from Siemens. 16532ebd32ceSHenning Schild 16542ebd32ceSHenning Schild To compile this driver as a module, choose M here: the module will be 16552ebd32ceSHenning Schild called simatic-ipc-wdt. 16562ebd32ceSHenning Schild 1657b7e04f8cSWim Van Sebroeck# M68K Architecture 1658b7e04f8cSWim Van Sebroeck 16594157a04dSPhilippe De Muyterconfig M54xx_WATCHDOG 16604157a04dSPhilippe De Muyter tristate "MCF54xx watchdog support" 166188cce427SPhilippe De Muyter depends on M548x 166288cce427SPhilippe De Muyter help 166388cce427SPhilippe De Muyter To compile this driver as a module, choose M here: the 16644157a04dSPhilippe De Muyter module will be called m54xx_wdt. 1665b7e04f8cSWim Van Sebroeck 1666e9659e69SAlejandro Cabrera# MicroBlaze Architecture 1667e9659e69SAlejandro Cabrera 1668b7e04f8cSWim Van Sebroeck# MIPS Architecture 1669b7e04f8cSWim Van Sebroeck 1670f8394f61SGabor Juhosconfig ATH79_WDT 1671f8394f61SGabor Juhos tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1672da2a68b3SGuenter Roeck depends on ATH79 || (ARM && COMPILE_TEST) 1673f8394f61SGabor Juhos help 1674f8394f61SGabor Juhos Hardware driver for the built-in watchdog timer on the Atheros 1675f8394f61SGabor Juhos AR71XX/AR724X/AR913X SoCs. 1676f8394f61SGabor Juhos 167790074dceSmatthieu castetconfig BCM47XX_WDT 167890074dceSmatthieu castet tristate "Broadcom BCM47xx Watchdog Timer" 1679da2a68b3SGuenter Roeck depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 16805434a04dSHauke Mehrtens select WATCHDOG_CORE 168190074dceSmatthieu castet help 16826b2aac42SMasanari Iida Hardware driver for the Broadcom BCM47xx Watchdog Timer. 168390074dceSmatthieu castet 168403ec5856SFlorian Fainelliconfig RC32434_WDT 168503ec5856SFlorian Fainelli tristate "IDT RC32434 SoC Watchdog Timer" 168603ec5856SFlorian Fainelli depends on MIKROTIK_RB532 168703ec5856SFlorian Fainelli help 168803ec5856SFlorian Fainelli Hardware driver for the IDT RC32434 SoC built-in 168903ec5856SFlorian Fainelli watchdog timer. 169003ec5856SFlorian Fainelli 169103ec5856SFlorian Fainelli To compile this driver as a module, choose M here: the 169203ec5856SFlorian Fainelli module will be called rc32434_wdt. 169303ec5856SFlorian Fainelli 1694b7e04f8cSWim Van Sebroeckconfig INDYDOG 1695b7e04f8cSWim Van Sebroeck tristate "Indy/I2 Hardware Watchdog" 169624f8d233SMatt Redfearn depends on SGI_HAS_INDYDOG 1697b7e04f8cSWim Van Sebroeck help 1698b7e04f8cSWim Van Sebroeck Hardware driver for the Indy's/I2's watchdog. This is a 1699b7e04f8cSWim Van Sebroeck watchdog timer that will reboot the machine after a 60 second 1700b7e04f8cSWim Van Sebroeck timer expired and no process has written to /dev/watchdog during 1701b7e04f8cSWim Van Sebroeck that time. 1702b7e04f8cSWim Van Sebroeck 1703f865c352SPaul Cercueilconfig JZ4740_WDT 1704f865c352SPaul Cercueil tristate "Ingenic jz4740 SoC hardware watchdog" 170533c26ab4SPaul Cercueil depends on MIPS 17061d9c3074SPaul Cercueil depends on COMMON_CLK 170785f6df14SAxel Lin select WATCHDOG_CORE 17086d532143SPaul Cercueil select MFD_SYSCON 1709f865c352SPaul Cercueil help 1710f865c352SPaul Cercueil Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1711f865c352SPaul Cercueil 1712b7e04f8cSWim Van Sebroeckconfig WDT_MTX1 1713b7e04f8cSWim Van Sebroeck tristate "MTX-1 Hardware Watchdog" 1714da2a68b3SGuenter Roeck depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1715b7e04f8cSWim Van Sebroeck help 1716b7e04f8cSWim Van Sebroeck Hardware driver for the MTX-1 boards. This is a watchdog timer that 1717b7e04f8cSWim Van Sebroeck will reboot the machine after a 100 seconds timer expired. 1718b7e04f8cSWim Van Sebroeck 171975c752e6SAndrew Sharpconfig SIBYTE_WDOG 172075c752e6SAndrew Sharp tristate "Sibyte SoC hardware watchdog" 1721c388a189SJackie Liu depends on CPU_SB1 172275c752e6SAndrew Sharp help 172375c752e6SAndrew Sharp Watchdog driver for the built in watchdog hardware in Sibyte 172475c752e6SAndrew Sharp SoC processors. There are apparently two watchdog timers 172575c752e6SAndrew Sharp on such processors; this driver supports only the first one, 172675c752e6SAndrew Sharp because currently Linux only supports exporting one watchdog 172775c752e6SAndrew Sharp to userspace. 172875c752e6SAndrew Sharp 172975c752e6SAndrew Sharp To compile this driver as a loadable module, choose M here. 173075c752e6SAndrew Sharp The module will be called sb_wdog. 173175c752e6SAndrew Sharp 1732c283cf2cSMatteo Croceconfig AR7_WDT 1733c283cf2cSMatteo Croce tristate "TI AR7 Watchdog Timer" 173428b7ee33SJackie Liu depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) 1735c283cf2cSMatteo Croce help 1736c283cf2cSMatteo Croce Hardware driver for the TI AR7 Watchdog Timer. 1737c283cf2cSMatteo Croce 17386f702fceSAtsushi Nemotoconfig TXX9_WDT 17396f702fceSAtsushi Nemoto tristate "Toshiba TXx9 Watchdog Timer" 1740455481fcSThomas Bogendoerfer depends on CPU_TX49XX || (MIPS && COMPILE_TEST) 1741d6245842SAxel Lin select WATCHDOG_CORE 17426f702fceSAtsushi Nemoto help 17436f702fceSAtsushi Nemoto Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 17446f702fceSAtsushi Nemoto 17454c076fb4SDavid Daneyconfig OCTEON_WDT 17464c076fb4SDavid Daney tristate "Cavium OCTEON SOC family Watchdog Timer" 17479ddebc46SDavid Daney depends on CAVIUM_OCTEON_SOC 17484c076fb4SDavid Daney default y 17493d588c93SAaro Koskinen select WATCHDOG_CORE 17504c076fb4SDavid Daney select EXPORT_UASM if OCTEON_WDT = m 17514c076fb4SDavid Daney help 17524c076fb4SDavid Daney Hardware driver for OCTEON's on chip watchdog timer. 17534c076fb4SDavid Daney Enables the watchdog for all cores running Linux. It 17544c076fb4SDavid Daney installs a NMI handler and pokes the watchdog based on an 17554c076fb4SDavid Daney interrupt. On first expiration of the watchdog, the 17564c076fb4SDavid Daney interrupt handler pokes it. The second expiration causes an 17574c076fb4SDavid Daney NMI that prints a message. The third expiration causes a 17584c076fb4SDavid Daney global soft reset. 17594c076fb4SDavid Daney 17604c076fb4SDavid Daney When userspace has /dev/watchdog open, no poking is done 17614c076fb4SDavid Daney from the first interrupt, it is then only poked when the 17624c076fb4SDavid Daney device is written. 17634c076fb4SDavid Daney 1764938d0a84SLubomir Rintelconfig BCM2835_WDT 1765938d0a84SLubomir Rintel tristate "Broadcom BCM2835 hardware watchdog" 17662672b7e0SArnd Bergmann depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1767938d0a84SLubomir Rintel select WATCHDOG_CORE 1768938d0a84SLubomir Rintel help 1769938d0a84SLubomir Rintel Watchdog driver for the built in watchdog hardware in Broadcom 1770938d0a84SLubomir Rintel BCM2835 SoC. 1771938d0a84SLubomir Rintel 1772938d0a84SLubomir Rintel To compile this driver as a loadable module, choose M here. 1773938d0a84SLubomir Rintel The module will be called bcm2835_wdt. 1774938d0a84SLubomir Rintel 17756adb730dSMarkus Mayerconfig BCM_KONA_WDT 17766adb730dSMarkus Mayer tristate "BCM Kona Watchdog" 1777da2a68b3SGuenter Roeck depends on ARCH_BCM_MOBILE || COMPILE_TEST 17786adb730dSMarkus Mayer select WATCHDOG_CORE 17796adb730dSMarkus Mayer help 17806adb730dSMarkus Mayer Support for the watchdog timer on the following Broadcom BCM281xx 17816adb730dSMarkus Mayer family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 17826adb730dSMarkus Mayer BCM28155 variants. 17836adb730dSMarkus Mayer 17846adb730dSMarkus Mayer Say 'Y' or 'M' here to enable the driver. The module will be called 17856adb730dSMarkus Mayer bcm_kona_wdt. 17866adb730dSMarkus Mayer 17876e2ac20eSMarkus Mayerconfig BCM_KONA_WDT_DEBUG 17886e2ac20eSMarkus Mayer bool "DEBUGFS support for BCM Kona Watchdog" 1789345f1625SGuenter Roeck depends on BCM_KONA_WDT 17906e2ac20eSMarkus Mayer help 17916e2ac20eSMarkus Mayer If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 17926e2ac20eSMarkus Mayer access to the driver's internal data structures as well as watchdog 17936e2ac20eSMarkus Mayer timer hardware registres. 17946e2ac20eSMarkus Mayer 17956e2ac20eSMarkus Mayer If in doubt, say 'N'. 17966e2ac20eSMarkus Mayer 17977a3629feSJustin Chenconfig BCM7038_WDT 1798bc0bf9e9SFlorian Fainelli tristate "BCM63xx/BCM7038 Watchdog" 17997a3629feSJustin Chen select WATCHDOG_CORE 1800d42d6108SRichard Weinberger depends on HAS_IOMEM 1801cd91fb27SRafał Miłecki depends on ARCH_BCM4908 || ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 18027a3629feSJustin Chen help 1803972ec351SJean Delvare Watchdog driver for the built-in hardware in Broadcom 7038 and 1804972ec351SJean Delvare later SoCs used in set-top boxes. BCM7038 was made public 1805972ec351SJean Delvare during the 2004 CES, and since then, many Broadcom chips use this 1806bc0bf9e9SFlorian Fainelli watchdog block, including some cable modem chips and DSL (63xx) 1807bc0bf9e9SFlorian Fainelli chips. 18087a3629feSJustin Chen 180993937669SNaidu Tellapaticonfig IMGPDC_WDT 181093937669SNaidu Tellapati tristate "Imagination Technologies PDC Watchdog Timer" 181193937669SNaidu Tellapati depends on HAS_IOMEM 1812b9b29090SJames Hogan depends on MIPS || COMPILE_TEST 1813df1a3e64SArnd Bergmann select WATCHDOG_CORE 181493937669SNaidu Tellapati help 181593937669SNaidu Tellapati Driver for Imagination Technologies PowerDown Controller 181693937669SNaidu Tellapati Watchdog Timer. 181793937669SNaidu Tellapati 181893937669SNaidu Tellapati To compile this driver as a loadable module, choose M here. 181993937669SNaidu Tellapati The module will be called imgpdc_wdt. 182093937669SNaidu Tellapati 18212f58b8d0SJohn Crispinconfig LANTIQ_WDT 18222f58b8d0SJohn Crispin tristate "Lantiq SoC watchdog" 18232f58b8d0SJohn Crispin depends on LANTIQ 1824dcd7e04eSHauke Mehrtens select WATCHDOG_CORE 18252f58b8d0SJohn Crispin help 18262f58b8d0SJohn Crispin Hardware driver for the Lantiq SoC Watchdog Timer. 18272f58b8d0SJohn Crispin 18281d8565eeSYang Lingconfig LOONGSON1_WDT 18291d8565eeSYang Ling tristate "Loongson1 SoC hardware watchdog" 18301d8565eeSYang Ling depends on MACH_LOONGSON32 18311d8565eeSYang Ling select WATCHDOG_CORE 18321d8565eeSYang Ling help 18331d8565eeSYang Ling Hardware driver for the Loongson1 SoC Watchdog Timer. 18341d8565eeSYang Ling 1835473cf939SJohn Crispinconfig RALINK_WDT 1836473cf939SJohn Crispin tristate "Ralink SoC watchdog" 1837473cf939SJohn Crispin select WATCHDOG_CORE 1838473cf939SJohn Crispin depends on RALINK 1839473cf939SJohn Crispin help 1840473cf939SJohn Crispin Hardware driver for the Ralink SoC Watchdog Timer. 1841473cf939SJohn Crispin 1842ab3f09feSJohn Crispinconfig MT7621_WDT 1843ab3f09feSJohn Crispin tristate "Mediatek SoC watchdog" 1844ab3f09feSJohn Crispin select WATCHDOG_CORE 1845ab3f09feSJohn Crispin depends on SOC_MT7620 || SOC_MT7621 1846ab3f09feSJohn Crispin help 1847ab3f09feSJohn Crispin Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1848ab3f09feSJohn Crispin 18498f91fc56SJoshua Hendersonconfig PIC32_WDT 18508f91fc56SJoshua Henderson tristate "Microchip PIC32 hardware watchdog" 18518f91fc56SJoshua Henderson select WATCHDOG_CORE 1852da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 18538f91fc56SJoshua Henderson help 18548f91fc56SJoshua Henderson Watchdog driver for the built in watchdog hardware in a PIC32. 18558f91fc56SJoshua Henderson 18568f91fc56SJoshua Henderson Configuration bits must be set appropriately for the watchdog to be 18578f91fc56SJoshua Henderson controlled by this driver. 18588f91fc56SJoshua Henderson 18598f91fc56SJoshua Henderson To compile this driver as a loadable module, choose M here. 18608f91fc56SJoshua Henderson The module will be called pic32-wdt. 18618f91fc56SJoshua Henderson 1862b0d8a082SPurna Chandra Mandalconfig PIC32_DMT 1863b0d8a082SPurna Chandra Mandal tristate "Microchip PIC32 Deadman Timer" 1864b0d8a082SPurna Chandra Mandal select WATCHDOG_CORE 1865da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1866b0d8a082SPurna Chandra Mandal help 186701028829SRandy Dunlap Watchdog driver for PIC32 instruction fetch counting timer. This 186801028829SRandy Dunlap specific timer is typically be used in mission critical and safety 186901028829SRandy Dunlap critical applications, where any single failure of the software 187001028829SRandy Dunlap functionality and sequencing must be detected. 1871b0d8a082SPurna Chandra Mandal 1872b0d8a082SPurna Chandra Mandal To compile this driver as a loadable module, choose M here. 1873b0d8a082SPurna Chandra Mandal The module will be called pic32-dmt. 1874b0d8a082SPurna Chandra Mandal 1875b7e04f8cSWim Van Sebroeck# PARISC Architecture 1876b7e04f8cSWim Van Sebroeck 1877b7e04f8cSWim Van Sebroeck# POWERPC Architecture 1878b7e04f8cSWim Van Sebroeck 18793268b561SMartyn Welchconfig GEF_WDT 1880cda61c94SMartyn Welch tristate "GE Watchdog Timer" 1881330bbf48SMartyn Welch depends on GE_FPGA 1882a7f7f624SMasahiro Yamada help 1883cda61c94SMartyn Welch Watchdog timer found in a number of GE single board computers. 18843268b561SMartyn Welch 1885b7e04f8cSWim Van Sebroeckconfig MPC5200_WDT 18866d535599SAlbrecht Dreß bool "MPC52xx Watchdog Timer" 1887da2a68b3SGuenter Roeck depends on PPC_MPC52xx || COMPILE_TEST 18886d535599SAlbrecht Dreß help 18896d535599SAlbrecht Dreß Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1890b7e04f8cSWim Van Sebroeck 189128acd02fSAnton Vorontsovconfig 8xxx_WDT 189228acd02fSAnton Vorontsov tristate "MPC8xxx Platform Watchdog Timer" 1893f8c33e97SUwe Kleine-König depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1894d5cfaf0aSChristophe Leroy select WATCHDOG_CORE 189528acd02fSAnton Vorontsov help 189628acd02fSAnton Vorontsov This driver is for a SoC level watchdog that exists on some 189728acd02fSAnton Vorontsov Freescale PowerPC processors. So far this driver supports: 18980d7b1014SAnton Vorontsov - MPC8xx watchdogs 189928acd02fSAnton Vorontsov - MPC83xx watchdogs 190028acd02fSAnton Vorontsov - MPC86xx watchdogs 190128acd02fSAnton Vorontsov 190228acd02fSAnton Vorontsov For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1903b7e04f8cSWim Van Sebroeck 1904618efba9SSean MacLennanconfig PIKA_WDT 1905618efba9SSean MacLennan tristate "PIKA FPGA Watchdog" 1906da2a68b3SGuenter Roeck depends on WARP || (PPC64 && COMPILE_TEST) 1907618efba9SSean MacLennan default y 1908618efba9SSean MacLennan help 1909618efba9SSean MacLennan This enables the watchdog in the PIKA FPGA. Currently used on 1910618efba9SSean MacLennan the Warp platform. 1911618efba9SSean MacLennan 1912b7e04f8cSWim Van Sebroeckconfig BOOKE_WDT 1913fbdd7144STimur Tabi tristate "PowerPC Book-E Watchdog Timer" 1914b7e04f8cSWim Van Sebroeck depends on BOOKE || 4xx 191552e5cc4eSGuenter Roeck select WATCHDOG_CORE 1916a7f7f624SMasahiro Yamada help 1917fbdd7144STimur Tabi Watchdog driver for PowerPC Book-E chips, such as the Freescale 1918fbdd7144STimur Tabi MPC85xx SOCs and the IBM PowerPC 440. 1919fbdd7144STimur Tabi 192074665686SMauro Carvalho Chehab Please see Documentation/watchdog/watchdog-api.rst for 1921b7e04f8cSWim Van Sebroeck more information. 1922b7e04f8cSWim Van Sebroeck 1923e0dc09ffSTimur Tabiconfig BOOKE_WDT_DEFAULT_TIMEOUT 1924e0dc09ffSTimur Tabi int "PowerPC Book-E Watchdog Timer Default Timeout" 1925e0dc09ffSTimur Tabi depends on BOOKE_WDT 1926be0884ceSShaohui Xie default 38 if PPC_FSL_BOOK3E 1927be0884ceSShaohui Xie range 0 63 if PPC_FSL_BOOK3E 1928be0884ceSShaohui Xie default 3 if !PPC_FSL_BOOK3E 1929be0884ceSShaohui Xie range 0 3 if !PPC_FSL_BOOK3E 1930e0dc09ffSTimur Tabi help 1931e0dc09ffSTimur Tabi Select the default watchdog timer period to be used by the PowerPC 1932e0dc09ffSTimur Tabi Book-E watchdog driver. A watchdog "event" occurs when the bit 1933e0dc09ffSTimur Tabi position represented by this number transitions from zero to one. 1934e0dc09ffSTimur Tabi 1935e0dc09ffSTimur Tabi For Freescale Book-E processors, this is a number between 0 and 63. 1936e0dc09ffSTimur Tabi For other Book-E processors, this is a number between 0 and 3. 1937e0dc09ffSTimur Tabi 1938e1d1d68aSMasanari Iida The value can be overridden by the wdt_period command-line parameter. 1939e0dc09ffSTimur Tabi 194026c57ef1SJohannes Thumshirnconfig MEN_A21_WDT 194126c57ef1SJohannes Thumshirn tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 194226c57ef1SJohannes Thumshirn select WATCHDOG_CORE 194321a926a3SGeert Uytterhoeven depends on GPIOLIB || COMPILE_TEST 194426c57ef1SJohannes Thumshirn help 194526c57ef1SJohannes Thumshirn Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 194626c57ef1SJohannes Thumshirn 194726c57ef1SJohannes Thumshirn The driver can also be built as a module. If so, the module will be 194826c57ef1SJohannes Thumshirn called mena21_wdt. 194926c57ef1SJohannes Thumshirn 195026c57ef1SJohannes Thumshirn If unsure select N here. 195126c57ef1SJohannes Thumshirn 1952b7e04f8cSWim Van Sebroeck# PPC64 Architecture 1953b7e04f8cSWim Van Sebroeck 1954b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RTAS 1955b7e04f8cSWim Van Sebroeck tristate "RTAS watchdog" 195642bed042SMurilo Opsfelder Araujo depends on PPC_RTAS 1957b7e04f8cSWim Van Sebroeck help 1958b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the RTAS watchdog. 1959b7e04f8cSWim Van Sebroeck 1960b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 1961b7e04f8cSWim Van Sebroeck will be called wdrtas. 1962b7e04f8cSWim Van Sebroeck 1963b7e04f8cSWim Van Sebroeck# S390 Architecture 1964b7e04f8cSWim Van Sebroeck 1965f7a94db4SPhilipp Hachtmannconfig DIAG288_WATCHDOG 1966f7a94db4SPhilipp Hachtmann tristate "System z diag288 Watchdog" 1967b7e04f8cSWim Van Sebroeck depends on S390 1968f7a94db4SPhilipp Hachtmann select WATCHDOG_CORE 1969b7e04f8cSWim Van Sebroeck help 1970b7e04f8cSWim Van Sebroeck IBM s/390 and zSeries machines running under z/VM 5.1 or later 1971b7e04f8cSWim Van Sebroeck provide a virtual watchdog timer to their guest that cause a 1972b7e04f8cSWim Van Sebroeck user define Control Program command to be executed after a 1973b7e04f8cSWim Van Sebroeck timeout. 1974646f919eSPhilipp Hachtmann LPAR provides a very similar interface. This driver handles 1975646f919eSPhilipp Hachtmann both. 1976b7e04f8cSWim Van Sebroeck 1977b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 1978a8fa3943SPhilipp Hachtmann will be called diag288_wdt. 1979b7e04f8cSWim Van Sebroeck 1980b7e04f8cSWim Van Sebroeck# SUPERH (sh + sh64) Architecture 1981b7e04f8cSWim Van Sebroeck 1982b7e04f8cSWim Van Sebroeckconfig SH_WDT 1983b7e04f8cSWim Van Sebroeck tristate "SuperH Watchdog" 1984da2a68b3SGuenter Roeck depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 19851950f499SPaul Mundt select WATCHDOG_CORE 1986b7e04f8cSWim Van Sebroeck help 1987b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the integrated watchdog in the 1988b7e04f8cSWim Van Sebroeck SuperH processors. If you have one of these processors and wish 1989b7e04f8cSWim Van Sebroeck to have watchdog support enabled, say Y, otherwise say N. 1990b7e04f8cSWim Van Sebroeck 1991b7e04f8cSWim Van Sebroeck As a side note, saying Y here will automatically boost HZ to 1000 1992b7e04f8cSWim Van Sebroeck so that the timer has a chance to clear the overflow counter. On 1993b7e04f8cSWim Van Sebroeck slower systems (such as the SH-2 and SH-3) this will likely yield 1994b7e04f8cSWim Van Sebroeck some performance issues. As such, the WDT should be avoided here 1995b7e04f8cSWim Van Sebroeck unless it is absolutely necessary. 1996b7e04f8cSWim Van Sebroeck 1997b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1998b7e04f8cSWim Van Sebroeck module will be called shwdt. 1999b7e04f8cSWim Van Sebroeck 2000b7e04f8cSWim Van Sebroeck# SPARC Architecture 2001b7e04f8cSWim Van Sebroeck 2002b7e04f8cSWim Van Sebroeck# SPARC64 Architecture 2003b7e04f8cSWim Van Sebroeck 2004b7e04f8cSWim Van Sebroeckconfig WATCHDOG_CP1XXX 2005b7e04f8cSWim Van Sebroeck tristate "CP1XXX Hardware Watchdog support" 2006b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2007a7f7f624SMasahiro Yamada help 2008b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog timers present on 2009b7e04f8cSWim Van Sebroeck Sun Microsystems CompactPCI models CP1400 and CP1500. 2010b7e04f8cSWim Van Sebroeck 2011b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2012b7e04f8cSWim Van Sebroeck module will be called cpwatchdog. 2013b7e04f8cSWim Van Sebroeck 2014b7e04f8cSWim Van Sebroeck If you do not have a CompactPCI model CP1400 or CP1500, or 2015b7e04f8cSWim Van Sebroeck another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 2016b7e04f8cSWim Van Sebroeck you should say N to this option. 2017b7e04f8cSWim Van Sebroeck 2018b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RIO 2019b7e04f8cSWim Van Sebroeck tristate "RIO Hardware Watchdog support" 2020b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2021b7e04f8cSWim Van Sebroeck help 2022b7e04f8cSWim Van Sebroeck Say Y here to support the hardware watchdog capability on Sun RIO 2023b7e04f8cSWim Van Sebroeck machines. The watchdog timeout period is normally one minute but 2024b7e04f8cSWim Van Sebroeck can be changed with a boot-time parameter. 2025b7e04f8cSWim Van Sebroeck 2026ca0bb079Swim.coekaerts@oracle.comconfig WATCHDOG_SUN4V 2027ca0bb079Swim.coekaerts@oracle.com tristate "Sun4v Watchdog support" 2028ca0bb079Swim.coekaerts@oracle.com select WATCHDOG_CORE 2029ca0bb079Swim.coekaerts@oracle.com depends on SPARC64 2030ca0bb079Swim.coekaerts@oracle.com help 2031ca0bb079Swim.coekaerts@oracle.com Say Y here to support the hypervisor watchdog capability embedded 2032ca0bb079Swim.coekaerts@oracle.com in the SPARC sun4v architecture. 2033ca0bb079Swim.coekaerts@oracle.com 2034ca0bb079Swim.coekaerts@oracle.com To compile this driver as a module, choose M here. The module will 2035ca0bb079Swim.coekaerts@oracle.com be called sun4v_wdt. 2036ca0bb079Swim.coekaerts@oracle.com 2037b7e04f8cSWim Van Sebroeck# XTENSA Architecture 2038b7e04f8cSWim Van Sebroeck 2039066d6c7fSJan Beulich# Xen Architecture 2040066d6c7fSJan Beulich 2041066d6c7fSJan Beulichconfig XEN_WDT 2042066d6c7fSJan Beulich tristate "Xen Watchdog support" 2043066d6c7fSJan Beulich depends on XEN 20444cd67644SRadu Rendec select WATCHDOG_CORE 2045066d6c7fSJan Beulich help 2046066d6c7fSJan Beulich Say Y here to support the hypervisor watchdog capability provided 2047066d6c7fSJan Beulich by Xen 4.0 and newer. The watchdog timeout period is normally one 2048066d6c7fSJan Beulich minute but can be changed with a boot-time parameter. 2049066d6c7fSJan Beulich 2050d805a786SAl Viroconfig UML_WATCHDOG 2051d805a786SAl Viro tristate "UML watchdog" 2052da2a68b3SGuenter Roeck depends on UML || COMPILE_TEST 2053d805a786SAl Viro 2054b7e04f8cSWim Van Sebroeck# 2055b7e04f8cSWim Van Sebroeck# ISA-based Watchdog Cards 2056b7e04f8cSWim Van Sebroeck# 2057b7e04f8cSWim Van Sebroeck 2058b7e04f8cSWim Van Sebroeckcomment "ISA-based Watchdog Cards" 2059b7e04f8cSWim Van Sebroeck depends on ISA 2060b7e04f8cSWim Van Sebroeck 2061b7e04f8cSWim Van Sebroeckconfig PCWATCHDOG 2062b7e04f8cSWim Van Sebroeck tristate "Berkshire Products ISA-PC Watchdog" 2063b7e04f8cSWim Van Sebroeck depends on ISA 2064a7f7f624SMasahiro Yamada help 2065b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products ISA-PC Watchdog card. 2066b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2067b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2068b7e04f8cSWim Van Sebroeck time. This driver is like the WDT501 driver but for different 206901028829SRandy Dunlap hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 207001028829SRandy Dunlap The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2071b7e04f8cSWim Van Sebroeck 2072b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2073b7e04f8cSWim Van Sebroeck module will be called pcwd. 2074b7e04f8cSWim Van Sebroeck 2075b7e04f8cSWim Van Sebroeck Most people will say N. 2076b7e04f8cSWim Van Sebroeck 2077b7e04f8cSWim Van Sebroeckconfig MIXCOMWD 2078b7e04f8cSWim Van Sebroeck tristate "Mixcom Watchdog" 2079b7e04f8cSWim Van Sebroeck depends on ISA 2080a7f7f624SMasahiro Yamada help 2081b7e04f8cSWim Van Sebroeck This is a driver for the Mixcom hardware watchdog cards. This 2082b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 2083b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2084b7e04f8cSWim Van Sebroeck time. 2085b7e04f8cSWim Van Sebroeck 2086b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2087b7e04f8cSWim Van Sebroeck module will be called mixcomwd. 2088b7e04f8cSWim Van Sebroeck 2089b7e04f8cSWim Van Sebroeck Most people will say N. 2090b7e04f8cSWim Van Sebroeck 2091b7e04f8cSWim Van Sebroeckconfig WDT 2092b7e04f8cSWim Van Sebroeck tristate "WDT Watchdog timer" 2093b7e04f8cSWim Van Sebroeck depends on ISA 2094a7f7f624SMasahiro Yamada help 2095b7e04f8cSWim Van Sebroeck If you have a WDT500P or WDT501P watchdog board, say Y here, 2096b7e04f8cSWim Van Sebroeck otherwise N. It is not possible to probe for this board, which means 2097b7e04f8cSWim Van Sebroeck that you have to inform the kernel about the IO port and IRQ that 2098b7e04f8cSWim Van Sebroeck is needed (you can do this via the io and irq parameters) 2099b7e04f8cSWim Van Sebroeck 2100b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2101b7e04f8cSWim Van Sebroeck module will be called wdt. 2102b7e04f8cSWim Van Sebroeck 2103b7e04f8cSWim Van Sebroeck# 2104b7e04f8cSWim Van Sebroeck# PCI-based Watchdog Cards 2105b7e04f8cSWim Van Sebroeck# 2106b7e04f8cSWim Van Sebroeck 2107b7e04f8cSWim Van Sebroeckcomment "PCI-based Watchdog Cards" 2108b7e04f8cSWim Van Sebroeck depends on PCI 2109b7e04f8cSWim Van Sebroeck 2110b7e04f8cSWim Van Sebroeckconfig PCIPCWATCHDOG 2111b7e04f8cSWim Van Sebroeck tristate "Berkshire Products PCI-PC Watchdog" 2112b7e04f8cSWim Van Sebroeck depends on PCI 2113a7f7f624SMasahiro Yamada help 2114b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products PCI-PC Watchdog card. 2115b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2116b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2117b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2118b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2119b7e04f8cSWim Van Sebroeck 2120b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2121b7e04f8cSWim Van Sebroeck module will be called pcwd_pci. 2122b7e04f8cSWim Van Sebroeck 2123b7e04f8cSWim Van Sebroeck Most people will say N. 2124b7e04f8cSWim Van Sebroeck 2125b7e04f8cSWim Van Sebroeckconfig WDTPCI 2126b7e04f8cSWim Van Sebroeck tristate "PCI-WDT500/501 Watchdog timer" 2127b7e04f8cSWim Van Sebroeck depends on PCI 2128a7f7f624SMasahiro Yamada help 2129b7e04f8cSWim Van Sebroeck If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2130b7e04f8cSWim Van Sebroeck 21319b901ee0SWim Van Sebroeck If you have a PCI-WDT501 watchdog board then you can enable the 21329b901ee0SWim Van Sebroeck temperature sensor by setting the type parameter to 501. 2133b7e04f8cSWim Van Sebroeck 2134b7e04f8cSWim Van Sebroeck If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2135b7e04f8cSWim Van Sebroeck can do this via the tachometer parameter. Only do this if you have a 2136b7e04f8cSWim Van Sebroeck fan tachometer actually set up. 2137b7e04f8cSWim Van Sebroeck 21389b901ee0SWim Van Sebroeck To compile this driver as a module, choose M here: the 21399b901ee0SWim Van Sebroeck module will be called wdt_pci. 21409b901ee0SWim Van Sebroeck 2141b7e04f8cSWim Van Sebroeck# 2142b7e04f8cSWim Van Sebroeck# USB-based Watchdog Cards 2143b7e04f8cSWim Van Sebroeck# 2144b7e04f8cSWim Van Sebroeck 2145b7e04f8cSWim Van Sebroeckcomment "USB-based Watchdog Cards" 2146b7e04f8cSWim Van Sebroeck depends on USB 2147b7e04f8cSWim Van Sebroeck 2148b7e04f8cSWim Van Sebroeckconfig USBPCWATCHDOG 2149b7e04f8cSWim Van Sebroeck tristate "Berkshire Products USB-PC Watchdog" 2150b7e04f8cSWim Van Sebroeck depends on USB 2151a7f7f624SMasahiro Yamada help 2152b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products USB-PC Watchdog card. 2153b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2154b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2155b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2156b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2157b7e04f8cSWim Van Sebroeck 2158b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2159b7e04f8cSWim Van Sebroeck module will be called pcwd_usb. 2160b7e04f8cSWim Van Sebroeck 2161b7e04f8cSWim Van Sebroeck Most people will say N. 2162b7e04f8cSWim Van Sebroeck 2163fa0f8d51SVijayakannan Ayyathuraiconfig KEEMBAY_WATCHDOG 2164fa0f8d51SVijayakannan Ayyathurai tristate "Intel Keem Bay SoC non-secure watchdog" 2165fa0f8d51SVijayakannan Ayyathurai depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2166fa0f8d51SVijayakannan Ayyathurai select WATCHDOG_CORE 2167fa0f8d51SVijayakannan Ayyathurai help 2168fa0f8d51SVijayakannan Ayyathurai This option enable support for an In-secure watchdog timer driver for 2169fa0f8d51SVijayakannan Ayyathurai Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2170fa0f8d51SVijayakannan Ayyathurai count unit. An interrupt will be triggered, when the count crosses 2171c891ef7dSWong Vee Khee the threshold configured in the register. 2172fa0f8d51SVijayakannan Ayyathurai 2173fa0f8d51SVijayakannan Ayyathurai To compile this driver as a module, choose M here: the 2174fa0f8d51SVijayakannan Ayyathurai module will be called keembay_wdt. 2175fa0f8d51SVijayakannan Ayyathurai 2176b7e04f8cSWim Van Sebroeckendif # WATCHDOG 2177