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 30712984ceaSSrinivas Neeliconfig XILINX_WINDOW_WATCHDOG 30812984ceaSSrinivas Neeli tristate "Xilinx window watchdog timer" 30912984ceaSSrinivas Neeli depends on HAS_IOMEM 310f1a43aadSRob Herring depends on ARM64 || COMPILE_TEST 31112984ceaSSrinivas Neeli select WATCHDOG_CORE 31212984ceaSSrinivas Neeli help 31312984ceaSSrinivas Neeli Window watchdog driver for the versal_wwdt IP core. 31412984ceaSSrinivas Neeli Window watchdog timer(WWDT) contains closed(first) and 31512984ceaSSrinivas Neeli open(second) window with 32 bit width. Write to the watchdog 31612984ceaSSrinivas Neeli timer within predefined window periods of time. This means 31712984ceaSSrinivas Neeli a period that is not too soon and a period that is not too 31812984ceaSSrinivas Neeli late. The WWDT has to be restarted within the open window time. 31912984ceaSSrinivas Neeli If software tries to restart WWDT outside of the open window 32012984ceaSSrinivas Neeli time period, it generates a reset. 32112984ceaSSrinivas Neeli 32212984ceaSSrinivas Neeli To compile this driver as a module, choose M here: the 32312984ceaSSrinivas Neeli module will be called xilinx_wwdt. 32412984ceaSSrinivas Neeli 3252a7b753aSMartyn Welchconfig ZIIRAVE_WATCHDOG 3262a7b753aSMartyn Welch tristate "Zodiac RAVE Watchdog Timer" 3272a7b753aSMartyn Welch depends on I2C 3282a7b753aSMartyn Welch select WATCHDOG_CORE 3292a7b753aSMartyn Welch help 3302a7b753aSMartyn Welch Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 3312a7b753aSMartyn Welch Processor. 3322a7b753aSMartyn Welch 3332a7b753aSMartyn Welch To compile this driver as a module, choose M here: the 3342a7b753aSMartyn Welch module will be called ziirave_wdt. 3352a7b753aSMartyn Welch 336c3bb3334SAndrey Smirnovconfig RAVE_SP_WATCHDOG 337c3bb3334SAndrey Smirnov tristate "RAVE SP Watchdog timer" 338c3bb3334SAndrey Smirnov depends on RAVE_SP_CORE 33920e6bb17SArnd Bergmann depends on NVMEM || !NVMEM 340c3bb3334SAndrey Smirnov select WATCHDOG_CORE 341c3bb3334SAndrey Smirnov help 342c3bb3334SAndrey Smirnov Support for the watchdog on RAVE SP device. 343c3bb3334SAndrey Smirnov 344c60923ddSMichael Shychconfig MLX_WDT 345c60923ddSMichael Shych tristate "Mellanox Watchdog" 346f1a43aadSRob Herring depends on MELLANOX_PLATFORM || COMPILE_TEST 347c60923ddSMichael Shych select WATCHDOG_CORE 348c60923ddSMichael Shych select REGMAP 349c60923ddSMichael Shych help 350c60923ddSMichael Shych This is the driver for the hardware watchdog on Mellanox systems. 351c60923ddSMichael Shych If you are going to use it, say Y here, otherwise N. 352c60923ddSMichael Shych This driver can be used together with the watchdog daemon. 353c60923ddSMichael Shych It can also watch your kernel to make sure it doesn't freeze, 354c60923ddSMichael Shych and if it does, it reboots your system after a certain amount of 355c60923ddSMichael Shych time. 356c60923ddSMichael Shych 357c60923ddSMichael Shych To compile this driver as a module, choose M here: the 358c60923ddSMichael Shych module will be called mlx-wdt. 359c60923ddSMichael Shych 36085174ca6SMichael Walleconfig SL28CPLD_WATCHDOG 36185174ca6SMichael Walle tristate "Kontron sl28cpld Watchdog" 36285174ca6SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 36385174ca6SMichael Walle select WATCHDOG_CORE 36485174ca6SMichael Walle help 36585174ca6SMichael Walle Say Y here to include support for the watchdog timer 36685174ca6SMichael Walle on the Kontron sl28 CPLD. 36785174ca6SMichael Walle 36885174ca6SMichael Walle To compile this driver as a module, choose M here: the 36985174ca6SMichael Walle module will be called sl28cpld_wdt. 37085174ca6SMichael Walle 371b7e04f8cSWim Van Sebroeck# ALPHA Architecture 372b7e04f8cSWim Van Sebroeck 373b7e04f8cSWim Van Sebroeck# ARM Architecture 374b7e04f8cSWim Van Sebroeck 3754a370278SViresh KUMARconfig ARM_SP805_WATCHDOG 3764a370278SViresh KUMAR tristate "ARM SP805 Watchdog" 3773eafee95SArnd Bergmann depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 3784a516539SViresh Kumar select WATCHDOG_CORE 3794a370278SViresh KUMAR help 3804a370278SViresh KUMAR ARM Primecell SP805 Watchdog timer. This will reboot your system when 3814a370278SViresh KUMAR the timeout is reached. 3824a370278SViresh KUMAR 38357d2caaaSFu Weiconfig ARM_SBSA_WATCHDOG 38457d2caaaSFu Wei tristate "ARM SBSA Generic Watchdog" 38557d2caaaSFu Wei depends on ARM64 38657d2caaaSFu Wei depends on ARM_ARCH_TIMER 38757d2caaaSFu Wei select WATCHDOG_CORE 38857d2caaaSFu Wei help 38957d2caaaSFu Wei ARM SBSA Generic Watchdog has two stage timeouts: 39057d2caaaSFu Wei the first signal (WS0) is for alerting the system by interrupt, 39157d2caaaSFu Wei the second one (WS1) is a real hardware reset. 39257d2caaaSFu Wei More details: ARM DEN0029B - Server Base System Architecture (SBSA) 39357d2caaaSFu Wei 39457d2caaaSFu Wei This driver can operate ARM SBSA Generic Watchdog as a single stage 39557d2caaaSFu Wei or a two stages watchdog, it depends on the module parameter "action". 39657d2caaaSFu Wei 39757d2caaaSFu Wei Note: the maximum timeout in the two stages mode is half of that in 39857d2caaaSFu Wei the single stage mode. 39957d2caaaSFu Wei 40057d2caaaSFu Wei To compile this driver as module, choose M here: The module 40157d2caaaSFu Wei will be called sbsa_gwdt. 40257d2caaaSFu Wei 40354e3d9b5SMarek Behúnconfig ARMADA_37XX_WATCHDOG 40454e3d9b5SMarek Behún tristate "Armada 37xx watchdog" 40554e3d9b5SMarek Behún depends on ARCH_MVEBU || COMPILE_TEST 4067f6f1dfbSGuenter Roeck depends on HAS_IOMEM 40754e3d9b5SMarek Behún select MFD_SYSCON 40854e3d9b5SMarek Behún select WATCHDOG_CORE 40954e3d9b5SMarek Behún help 41054e3d9b5SMarek Behún Say Y here to include support for the watchdog timer found on 41154e3d9b5SMarek Behún Marvell Armada 37xx SoCs. 41254e3d9b5SMarek Behún To compile this driver as a module, choose M here: the 41354e3d9b5SMarek Behún module will be called armada_37xx_wdt. 41454e3d9b5SMarek Behún 415aae03dc9SOleksij Rempelconfig ASM9260_WATCHDOG 416aae03dc9SOleksij Rempel tristate "Alphascale ASM9260 watchdog" 417da2a68b3SGuenter Roeck depends on MACH_ASM9260 || COMPILE_TEST 418aae03dc9SOleksij Rempel depends on OF 419aae03dc9SOleksij Rempel select WATCHDOG_CORE 420aae03dc9SOleksij Rempel select RESET_CONTROLLER 421aae03dc9SOleksij Rempel help 42201028829SRandy Dunlap Watchdog timer embedded into Alphascale asm9260 chips. This will 42301028829SRandy Dunlap reboot your system when the timeout is reached. 424aae03dc9SOleksij Rempel 425b7e04f8cSWim Van Sebroeckconfig AT91RM9200_WATCHDOG 426b7e04f8cSWim Van Sebroeck tristate "AT91RM9200 watchdog" 427da2a68b3SGuenter Roeck depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 428b7e04f8cSWim Van Sebroeck help 429b7e04f8cSWim Van Sebroeck Watchdog timer embedded into AT91RM9200 chips. This will reboot your 430b7e04f8cSWim Van Sebroeck system when the timeout is reached. 431b7e04f8cSWim Van Sebroeck 432e6bb42e3SRenaud CERRATOconfig AT91SAM9X_WATCHDOG 433f0e625c1SAndrew Victor tristate "AT91SAM9X / AT91CAP9 watchdog" 434da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 435490ac7afSWenyou Yang select WATCHDOG_CORE 436e6bb42e3SRenaud CERRATO help 437f0e625c1SAndrew Victor Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 438f0e625c1SAndrew Victor reboot your system when the timeout is reached. 439e6bb42e3SRenaud CERRATO 44076534860SWenyou Yangconfig SAMA5D4_WATCHDOG 44176534860SWenyou Yang tristate "Atmel SAMA5D4 Watchdog Timer" 442da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 44376534860SWenyou Yang select WATCHDOG_CORE 44476534860SWenyou Yang help 44576534860SWenyou Yang Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 44676534860SWenyou Yang Its Watchdog Timer Mode Register can be written more than once. 44776534860SWenyou Yang This will reboot your system when the timeout is reached. 44876534860SWenyou Yang 44958bf0164SHarini Katakamconfig CADENCE_WATCHDOG 45058bf0164SHarini Katakam tristate "Cadence Watchdog Timer" 4516960d485SRichard Weinberger depends on HAS_IOMEM 45258bf0164SHarini Katakam select WATCHDOG_CORE 45358bf0164SHarini Katakam help 45458bf0164SHarini Katakam Say Y here if you want to include support for the watchdog 45558bf0164SHarini Katakam timer in the Xilinx Zynq. 45658bf0164SHarini Katakam 457b7e04f8cSWim Van Sebroeckconfig 21285_WATCHDOG 458b7e04f8cSWim Van Sebroeck tristate "DC21285 watchdog" 459b7e04f8cSWim Van Sebroeck depends on FOOTBRIDGE 460b7e04f8cSWim Van Sebroeck help 461b7e04f8cSWim Van Sebroeck The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 462b7e04f8cSWim Van Sebroeck here if you wish to use this. Alternatively say M to compile the 463b7e04f8cSWim Van Sebroeck driver as a module, which will be called wdt285. 464b7e04f8cSWim Van Sebroeck 465b7e04f8cSWim Van Sebroeck This driver does not work on all machines. In particular, early CATS 466b7e04f8cSWim Van Sebroeck boards have hardware problems that will cause the machine to simply 467b7e04f8cSWim Van Sebroeck lock up if the watchdog fires. 468b7e04f8cSWim Van Sebroeck 469b7e04f8cSWim Van Sebroeck "If in doubt, leave it out" - say N. 470b7e04f8cSWim Van Sebroeck 471b7e04f8cSWim Van Sebroeckconfig 977_WATCHDOG 472b7e04f8cSWim Van Sebroeck tristate "NetWinder WB83C977 watchdog" 473da2a68b3SGuenter Roeck depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 474b7e04f8cSWim Van Sebroeck help 475b7e04f8cSWim Van Sebroeck Say Y here to include support for the WB977 watchdog included in 476b7e04f8cSWim Van Sebroeck NetWinder machines. Alternatively say M to compile the driver as 477b7e04f8cSWim Van Sebroeck a module, which will be called wdt977. 478b7e04f8cSWim Van Sebroeck 479b7e04f8cSWim Van Sebroeck Not sure? It's safe to say N. 480b7e04f8cSWim Van Sebroeck 481766a2aadSLinus Walleijconfig FTWDT010_WATCHDOG 482766a2aadSLinus Walleij tristate "Faraday Technology FTWDT010 watchdog" 483766a2aadSLinus Walleij depends on ARM || COMPILE_TEST 484eca10ae6SLinus Walleij select WATCHDOG_CORE 485766a2aadSLinus Walleij default ARCH_GEMINI 486eca10ae6SLinus Walleij help 487766a2aadSLinus Walleij Say Y here if to include support for the Faraday Technology 488766a2aadSLinus Walleij FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 489766a2aadSLinus Walleij family of devices. 490eca10ae6SLinus Walleij 491eca10ae6SLinus Walleij To compile this driver as a module, choose M here: the 492766a2aadSLinus Walleij module will be called ftwdt010_wdt. 493eca10ae6SLinus Walleij 494b7e04f8cSWim Van Sebroeckconfig IXP4XX_WATCHDOG 495b7e04f8cSWim Van Sebroeck tristate "IXP4xx Watchdog" 496f1a43aadSRob Herring depends on ARCH_IXP4XX || (ARM && COMPILE_TEST) 497580b8e28SLinus Walleij select WATCHDOG_CORE 498b7e04f8cSWim Van Sebroeck help 499b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 500b7e04f8cSWim Van Sebroeck in the Intel IXP4xx network processors. This driver can 501b7e04f8cSWim Van Sebroeck be built as a module by choosing M. The module will 502b7e04f8cSWim Van Sebroeck be called ixp4xx_wdt. 503b7e04f8cSWim Van Sebroeck 504b7e04f8cSWim Van Sebroeck Note: The internal IXP4xx watchdog does a soft CPU reset 505b7e04f8cSWim Van Sebroeck which doesn't reset any peripherals. There are circumstances 506b7e04f8cSWim Van Sebroeck where the watchdog will fail to reset the board correctly 507b7e04f8cSWim Van Sebroeck (e.g., if the boot ROM is in an unreadable state). 508b7e04f8cSWim Van Sebroeck 509b7e04f8cSWim Van Sebroeck Say N if you are unsure. 510b7e04f8cSWim Van Sebroeck 511b7e04f8cSWim Van Sebroeckconfig S3C2410_WATCHDOG 5121ea35b35SArnd Bergmann tristate "S3C6410/S5Pv210/Exynos Watchdog" 5131ea35b35SArnd Bergmann depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 51425dc46e3SWolfram Sang select WATCHDOG_CORE 51553eac48dSKrzysztof Kozlowski select MFD_SYSCON if ARCH_EXYNOS 516b7e04f8cSWim Van Sebroeck help 5171ea35b35SArnd Bergmann Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos 5181ea35b35SArnd Bergmann SoCs. This will reboot the system when the timer expires with 519981785daSKrzysztof Kozlowski the watchdog enabled. 520b7e04f8cSWim Van Sebroeck 521b7e04f8cSWim Van Sebroeck The driver is limited by the speed of the system's PCLK 522b7e04f8cSWim Van Sebroeck signal, so with reasonably fast systems (PCLK around 50-66MHz) 523b7e04f8cSWim Van Sebroeck then watchdog intervals of over approximately 20seconds are 524b7e04f8cSWim Van Sebroeck unavailable. 525b7e04f8cSWim Van Sebroeck 526981785daSKrzysztof Kozlowski Choose Y/M here only if you build for such Samsung SoC. 527b7e04f8cSWim Van Sebroeck The driver can be built as a module by choosing M, and will 528981785daSKrzysztof Kozlowski be called s3c2410_wdt. 529b7e04f8cSWim Van Sebroeck 530b7e04f8cSWim Van Sebroeckconfig SA1100_WATCHDOG 531b7e04f8cSWim Van Sebroeck tristate "SA1100/PXA2xx watchdog" 532f1a43aadSRob Herring depends on ARCH_SA1100 || ARCH_PXA || COMPILE_TEST 533b7e04f8cSWim Van Sebroeck help 534b7e04f8cSWim Van Sebroeck Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 535b7e04f8cSWim Van Sebroeck reboot your system when timeout is reached. 536b7e04f8cSWim Van Sebroeck 537b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 538b7e04f8cSWim Van Sebroeck 539b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 540b7e04f8cSWim Van Sebroeck module will be called sa1100_wdt. 541b7e04f8cSWim Van Sebroeck 542c9353ae1SJamie Ilesconfig DW_WATCHDOG 543c9353ae1SJamie Iles tristate "Synopsys DesignWare watchdog" 5441ccfe6f9SRichard Weinberger depends on HAS_IOMEM 545f29a72c2SGuenter Roeck select WATCHDOG_CORE 546c9353ae1SJamie Iles help 547c9353ae1SJamie Iles Say Y here if to include support for the Synopsys DesignWare 54858a251f2SBaruch Siach watchdog timer found in many chips. 549c9353ae1SJamie Iles To compile this driver as a module, choose M here: the 550c9353ae1SJamie Iles module will be called dw_wdt. 551c9353ae1SJamie Iles 552b7e04f8cSWim Van Sebroeckconfig EP93XX_WATCHDOG 553b7e04f8cSWim Van Sebroeck tristate "EP93xx Watchdog" 554da2a68b3SGuenter Roeck depends on ARCH_EP93XX || COMPILE_TEST 555e12a679dSH Hartley Sweeten select WATCHDOG_CORE 556b7e04f8cSWim Van Sebroeck help 557b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 558b7e04f8cSWim Van Sebroeck embedded in the Cirrus Logic EP93xx family of devices. 559b7e04f8cSWim Van Sebroeck 560b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 561b7e04f8cSWim Van Sebroeck module will be called ep93xx_wdt. 562b7e04f8cSWim Van Sebroeck 563b7e04f8cSWim Van Sebroeckconfig OMAP_WATCHDOG 564b7e04f8cSWim Van Sebroeck tristate "OMAP Watchdog" 565da2a68b3SGuenter Roeck depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 56667c0f554SAaro Koskinen select WATCHDOG_CORE 567b7e04f8cSWim Van Sebroeck help 56801028829SRandy Dunlap Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 56901028829SRandy Dunlap Say 'Y' here to enable the 57001028829SRandy Dunlap OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 571b7e04f8cSWim Van Sebroeck 572b7e04f8cSWim Van Sebroeckconfig PNX4008_WATCHDOG 573d684f05fSRoland Stigge tristate "LPC32XX Watchdog" 574c9b8af43SArnd Bergmann depends on ARCH_LPC32XX || COMPILE_TEST 5756b1e8386SWolfram Sang select WATCHDOG_CORE 576b7e04f8cSWim Van Sebroeck help 577b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 578d684f05fSRoland Stigge in the LPC32XX processor. 579b7e04f8cSWim Van Sebroeck This driver can be built as a module by choosing M. The module 580b7e04f8cSWim Van Sebroeck will be called pnx4008_wdt. 581b7e04f8cSWim Van Sebroeck 582b7e04f8cSWim Van Sebroeck Say N if you are unsure. 583b7e04f8cSWim Van Sebroeck 584b7e04f8cSWim Van Sebroeckconfig DAVINCI_WATCHDOG 585b7e04f8cSWim Van Sebroeck tristate "DaVinci watchdog" 586da2a68b3SGuenter Roeck depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 587f48f3ceaSIvan Khoronzhuk select WATCHDOG_CORE 588b7e04f8cSWim Van Sebroeck help 589b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 5908832b200SIvan Khoronzhuk in the DaVinci DM644x/DM646x or Keystone processors. 591b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 592b7e04f8cSWim Van Sebroeck module will be called davinci_wdt. 593b7e04f8cSWim Van Sebroeck 594b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 595b7e04f8cSWim Van Sebroeck Say N if you are unsure. 596b7e04f8cSWim Van Sebroeck 5972d63908bSTero Kristoconfig K3_RTI_WATCHDOG 5982d63908bSTero Kristo tristate "Texas Instruments K3 RTI watchdog" 5992d63908bSTero Kristo depends on ARCH_K3 || COMPILE_TEST 6002d63908bSTero Kristo select WATCHDOG_CORE 6012d63908bSTero Kristo help 6022d63908bSTero Kristo Say Y here if you want to include support for the K3 watchdog 6032d63908bSTero Kristo timer (RTI module) available in the K3 generation of processors. 6042d63908bSTero Kristo 6053b937a7dSNicolas Pitreconfig ORION_WATCHDOG 6063b937a7dSNicolas Pitre tristate "Orion watchdog" 6073e3f354bSArnd Bergmann depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 608c3525e3fSThierry Reding depends on ARM 6090dd6e484SAxel Lin select WATCHDOG_CORE 61022ac9232SSylver Bruneau help 61122ac9232SSylver Bruneau Say Y here if to include support for the watchdog timer 6123b937a7dSNicolas Pitre in the Marvell Orion5x and Kirkwood ARM SoCs. 61322ac9232SSylver Bruneau To compile this driver as a module, choose M here: the 6143b937a7dSNicolas Pitre module will be called orion_wdt. 61522ac9232SSylver Bruneau 61622b1c841SBeniamino Galvaniconfig RN5T618_WATCHDOG 61722b1c841SBeniamino Galvani tristate "Ricoh RN5T618 watchdog" 618da2a68b3SGuenter Roeck depends on MFD_RN5T618 || COMPILE_TEST 61922b1c841SBeniamino Galvani select WATCHDOG_CORE 62022b1c841SBeniamino Galvani help 62122b1c841SBeniamino Galvani If you say yes here you get support for watchdog on the Ricoh 62222b1c841SBeniamino Galvani RN5T618 PMIC. 62322b1c841SBeniamino Galvani 62422b1c841SBeniamino Galvani This driver can also be built as a module. If so, the module 62522b1c841SBeniamino Galvani will be called rn5t618_wdt. 62622b1c841SBeniamino Galvani 627d00680edSCarlo Caioneconfig SUNXI_WATCHDOG 628d00680edSCarlo Caione tristate "Allwinner SoCs watchdog support" 629da2a68b3SGuenter Roeck depends on ARCH_SUNXI || COMPILE_TEST 630d00680edSCarlo Caione select WATCHDOG_CORE 631d00680edSCarlo Caione help 632d00680edSCarlo Caione Say Y here to include support for the watchdog timer 633d00680edSCarlo Caione in Allwinner SoCs. 634d00680edSCarlo Caione To compile this driver as a module, choose M here: the 635d00680edSCarlo Caione module will be called sunxi_wdt. 636d00680edSCarlo Caione 637975b7f0fSJoel Stanleyconfig NPCM7XX_WATCHDOG 638ec242929SGuenter Roeck tristate "Nuvoton NPCM750 watchdog" 639975b7f0fSJoel Stanley depends on ARCH_NPCM || COMPILE_TEST 6407db706a2STomer Maimon default y if ARCH_NPCM7XX 641975b7f0fSJoel Stanley select WATCHDOG_CORE 642975b7f0fSJoel Stanley help 643975b7f0fSJoel Stanley Say Y here to include Watchdog timer support for the 644975b7f0fSJoel Stanley watchdog embedded into the NPCM7xx. 645975b7f0fSJoel Stanley This watchdog is used to reset the system and thus cannot be 646975b7f0fSJoel Stanley compiled as a module. 647975b7f0fSJoel Stanley 64880e45b1eSTimo Kokkonenconfig TWL4030_WATCHDOG 64980e45b1eSTimo Kokkonen tristate "TWL4030 Watchdog" 65080e45b1eSTimo Kokkonen depends on TWL4030_CORE 651b2c4e4b2SJarkko Nikula select WATCHDOG_CORE 65280e45b1eSTimo Kokkonen help 65380e45b1eSTimo Kokkonen Support for TI TWL4030 watchdog. Say 'Y' here to enable the 65480e45b1eSTimo Kokkonen watchdog timer support for TWL4030 chips. 65580e45b1eSTimo Kokkonen 656de6303abSWolfram Sangconfig STMP3XXX_RTC_WATCHDOG 657de6303abSWolfram Sang tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 658da2a68b3SGuenter Roeck depends on RTC_DRV_STMP || COMPILE_TEST 659de6303abSWolfram Sang select WATCHDOG_CORE 660de6303abSWolfram Sang help 661de6303abSWolfram Sang Say Y here to include support for the watchdog timer inside 662de6303abSWolfram Sang the RTC for the STMP37XX/378X or i.MX23/28 SoC. 663de6303abSWolfram Sang To compile this driver as a module, choose M here: the 664de6303abSWolfram Sang module will be called stmp3xxx_rtc_wdt. 665de6303abSWolfram Sang 666bf900639SDamien Riegelconfig TS4800_WATCHDOG 667bf900639SDamien Riegel tristate "TS-4800 Watchdog" 668bf900639SDamien Riegel depends on HAS_IOMEM && OF 6690519e91dSJean Delvare depends on SOC_IMX51 || COMPILE_TEST 670bf900639SDamien Riegel select WATCHDOG_CORE 671bf900639SDamien Riegel select MFD_SYSCON 672bf900639SDamien Riegel help 673bf900639SDamien Riegel Technologic Systems TS-4800 has watchdog timer implemented in 674bf900639SDamien Riegel an external FPGA. Say Y here if you want to support for the 675bf900639SDamien Riegel watchdog timer on TS-4800 board. 676bf900639SDamien Riegel 677c90bf2aaSMika Westerbergconfig TS72XX_WATCHDOG 678c90bf2aaSMika Westerberg tristate "TS-72XX SBC Watchdog" 679da2a68b3SGuenter Roeck depends on MACH_TS72XX || COMPILE_TEST 6800f0dbd9bSShyam Saini select WATCHDOG_CORE 681c90bf2aaSMika Westerberg help 682c90bf2aaSMika Westerberg Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 683c90bf2aaSMika Westerberg watchdog timer implemented in a external CPLD chip. Say Y here 684c90bf2aaSMika Westerberg if you want to support for the watchdog timer on TS-72XX boards. 685c90bf2aaSMika Westerberg 686c90bf2aaSMika Westerberg To compile this driver as a module, choose M here: the 687c90bf2aaSMika Westerberg module will be called ts72xx_wdt. 688c90bf2aaSMika Westerberg 6895e803716SMarc Zyngierconfig MAX63XX_WATCHDOG 6905e803716SMarc Zyngier tristate "Max63xx watchdog" 69104658449SVivien Didelot depends on HAS_IOMEM 692a0f36833SAxel Lin select WATCHDOG_CORE 6935e803716SMarc Zyngier help 6945e803716SMarc Zyngier Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 6955e803716SMarc Zyngier 696ff3bb2f5SLaxman Dewanganconfig MAX77620_WATCHDOG 697ff3bb2f5SLaxman Dewangan tristate "Maxim Max77620 Watchdog Timer" 698254099d8SLuca Ceresoli depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 699da9e3f4eSDavid Engraf select WATCHDOG_CORE 700ff3bb2f5SLaxman Dewangan help 701ff3bb2f5SLaxman Dewangan This is the driver for the Max77620 watchdog timer. 702ff3bb2f5SLaxman Dewangan Say 'Y' here to enable the watchdog timer support for 703ff3bb2f5SLaxman Dewangan MAX77620 chips. To compile this driver as a module, 704ff3bb2f5SLaxman Dewangan choose M here: the module will be called max77620_wdt. 705ff3bb2f5SLaxman Dewangan 706bb2fd8a8SWolfram Sangconfig IMX2_WDT 707bb2fd8a8SWolfram Sang tristate "IMX2+ Watchdog" 708da2a68b3SGuenter Roeck depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 709a7977003SXiubo Li select REGMAP_MMIO 710faad5de0SAnatolij Gustschin select WATCHDOG_CORE 711bb2fd8a8SWolfram Sang help 712bb2fd8a8SWolfram Sang This is the driver for the hardware watchdog 713bb2fd8a8SWolfram Sang on the Freescale IMX2 and later processors. 714bb2fd8a8SWolfram Sang If you have one of these processors and wish to have 715bb2fd8a8SWolfram Sang watchdog support enabled, say Y, otherwise say N. 716bb2fd8a8SWolfram Sang 717bb2fd8a8SWolfram Sang To compile this driver as a module, choose M here: the 718bb2fd8a8SWolfram Sang module will be called imx2_wdt. 719bb2fd8a8SWolfram Sang 720986857acSAnson Huangconfig IMX_SC_WDT 721986857acSAnson Huang tristate "IMX SC Watchdog" 722986857acSAnson Huang depends on HAVE_ARM_SMCCC 723f1a43aadSRob Herring depends on IMX_SCU || COMPILE_TEST 724986857acSAnson Huang select WATCHDOG_CORE 725986857acSAnson Huang help 726986857acSAnson Huang This is the driver for the system controller watchdog 727986857acSAnson Huang on the NXP i.MX SoCs with system controller inside, the 728986857acSAnson Huang watchdog driver will call ARM SMC API and trap into 729986857acSAnson Huang ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 730986857acSAnson Huang will request system controller to execute the operations. 731986857acSAnson Huang If you have one of these processors and wish to have 732986857acSAnson Huang watchdog support enabled, say Y, otherwise say N. 733986857acSAnson Huang 734986857acSAnson Huang To compile this driver as a module, choose M here: the 735986857acSAnson Huang module will be called imx_sc_wdt. 736986857acSAnson Huang 73741b630f4SAnson Huangconfig IMX7ULP_WDT 73841b630f4SAnson Huang tristate "IMX7ULP Watchdog" 73941b630f4SAnson Huang depends on ARCH_MXC || COMPILE_TEST 74041b630f4SAnson Huang select WATCHDOG_CORE 74141b630f4SAnson Huang help 74241b630f4SAnson Huang This is the driver for the hardware watchdog on the Freescale 74341b630f4SAnson Huang IMX7ULP and later processors. If you have one of these 74441b630f4SAnson Huang processors and wish to have watchdog support enabled, 74541b630f4SAnson Huang say Y, otherwise say N. 74641b630f4SAnson Huang 74741b630f4SAnson Huang To compile this driver as a module, choose M here: the 74841b630f4SAnson Huang module will be called imx7ulp_wdt. 74941b630f4SAnson Huang 750d0305aacSLinus Walleijconfig DB500_WATCHDOG 751d0305aacSLinus Walleij tristate "ST-Ericsson DB800 watchdog" 7529297b652SArnd Bergmann depends on MFD_DB8500_PRCMU 753f0e5bd41SFabio Baltieri select WATCHDOG_CORE 754f0e5bd41SFabio Baltieri default y 755f0e5bd41SFabio Baltieri help 756f0e5bd41SFabio Baltieri Say Y here to include Watchdog timer support for the watchdog 757d0305aacSLinus Walleij existing in the prcmu of ST-Ericsson DB8500 platform. 758f0e5bd41SFabio Baltieri 759f0e5bd41SFabio Baltieri To compile this driver as a module, choose M here: the 760d0305aacSLinus Walleij module will be called db500_wdt. 761f0e5bd41SFabio Baltieri 7623d3a6d18SAaro Koskinenconfig RETU_WATCHDOG 7633d3a6d18SAaro Koskinen tristate "Retu watchdog" 7649ad82f11SArnd Bergmann depends on MFD_RETU 7653d3a6d18SAaro Koskinen select WATCHDOG_CORE 7663d3a6d18SAaro Koskinen help 7673d3a6d18SAaro Koskinen Retu watchdog driver for Nokia Internet Tablets (770, N800, 7683d3a6d18SAaro Koskinen N810). At least on N800 the watchdog cannot be disabled, so 7693d3a6d18SAaro Koskinen this driver is essential and you should enable it. 7703d3a6d18SAaro Koskinen 7713d3a6d18SAaro Koskinen To compile this driver as a module, choose M here: the 7723d3a6d18SAaro Koskinen module will be called retu_wdt. 7733d3a6d18SAaro Koskinen 774e14538e0SJonas Jensenconfig MOXART_WDT 775e14538e0SJonas Jensen tristate "MOXART watchdog" 776da2a68b3SGuenter Roeck depends on ARCH_MOXART || COMPILE_TEST 777e14538e0SJonas Jensen help 778e14538e0SJonas Jensen Say Y here to include Watchdog timer support for the watchdog 779e14538e0SJonas Jensen existing on the MOXA ART SoC series platforms. 780e14538e0SJonas Jensen 781e14538e0SJonas Jensen To compile this driver as a module, choose M here: the 782e14538e0SJonas Jensen module will be called moxart_wdt. 783e14538e0SJonas Jensen 784f27925a6SLee Jonesconfig ST_LPC_WATCHDOG 785f27925a6SLee Jones tristate "STMicroelectronics LPC Watchdog" 786da2a68b3SGuenter Roeck depends on ARCH_STI || COMPILE_TEST 787f27925a6SLee Jones depends on OF 788f27925a6SLee Jones select WATCHDOG_CORE 789f27925a6SLee Jones help 790f27925a6SLee Jones Say Y here to include STMicroelectronics Low Power Controller 791f27925a6SLee Jones (LPC) based Watchdog timer support. 792f27925a6SLee Jones 793f27925a6SLee Jones To compile this driver as a module, choose M here: the 794f27925a6SLee Jones module will be called st_lpc_wdt. 795f27925a6SLee Jones 796c33a1597SAndrew Chewconfig TEGRA_WATCHDOG 797c33a1597SAndrew Chew tristate "Tegra watchdog" 79871fd380aSChen Gang depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 799c33a1597SAndrew Chew select WATCHDOG_CORE 800c33a1597SAndrew Chew help 801c33a1597SAndrew Chew Say Y here to include support for the watchdog timer 802c33a1597SAndrew Chew embedded in NVIDIA Tegra SoCs. 803c33a1597SAndrew Chew 804c33a1597SAndrew Chew To compile this driver as a module, choose M here: the 805c33a1597SAndrew Chew module will be called tegra_wdt. 806c33a1597SAndrew Chew 8071094ebe9SJosh Cartwrightconfig QCOM_WDT 8081094ebe9SJosh Cartwright tristate "QCOM watchdog" 8091094ebe9SJosh Cartwright depends on HAS_IOMEM 810da2a68b3SGuenter Roeck depends on ARCH_QCOM || COMPILE_TEST 8111094ebe9SJosh Cartwright select WATCHDOG_CORE 8121094ebe9SJosh Cartwright help 8131094ebe9SJosh Cartwright Say Y here to include Watchdog timer support for the watchdog found 8141094ebe9SJosh Cartwright on QCOM chipsets. Currently supported targets are the MSM8960, 8151094ebe9SJosh Cartwright APQ8064, and IPQ8064. 8161094ebe9SJosh Cartwright 8171094ebe9SJosh Cartwright To compile this driver as a module, choose M here: the 8181094ebe9SJosh Cartwright module will be called qcom_wdt. 8191094ebe9SJosh Cartwright 820683fa50fSNeil Armstrongconfig MESON_GXBB_WATCHDOG 821683fa50fSNeil Armstrong tristate "Amlogic Meson GXBB SoCs watchdog support" 822da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 823683fa50fSNeil Armstrong select WATCHDOG_CORE 824683fa50fSNeil Armstrong help 825683fa50fSNeil Armstrong Say Y here to include support for the watchdog timer 826683fa50fSNeil Armstrong in Amlogic Meson GXBB SoCs. 827683fa50fSNeil Armstrong To compile this driver as a module, choose M here: the 828683fa50fSNeil Armstrong module will be called meson_gxbb_wdt. 829683fa50fSNeil Armstrong 83022e1b8f6SCarlo Caioneconfig MESON_WATCHDOG 83122e1b8f6SCarlo Caione tristate "Amlogic Meson SoCs watchdog support" 832da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 83322e1b8f6SCarlo Caione select WATCHDOG_CORE 83422e1b8f6SCarlo Caione help 83522e1b8f6SCarlo Caione Say Y here to include support for the watchdog timer 83622e1b8f6SCarlo Caione in Amlogic Meson SoCs. 83722e1b8f6SCarlo Caione To compile this driver as a module, choose M here: the 83822e1b8f6SCarlo Caione module will be called meson_wdt. 83922e1b8f6SCarlo Caione 840a44a4553SMatthias Bruggerconfig MEDIATEK_WATCHDOG 841a44a4553SMatthias Brugger tristate "Mediatek SoCs watchdog support" 842da2a68b3SGuenter Roeck depends on ARCH_MEDIATEK || COMPILE_TEST 843ab571cbcSKevin Hilman default ARCH_MEDIATEK 844a44a4553SMatthias Brugger select WATCHDOG_CORE 8455eee7c62SRandy Dunlap select RESET_CONTROLLER 846a44a4553SMatthias Brugger help 847a44a4553SMatthias Brugger Say Y here to include support for the watchdog timer 848a44a4553SMatthias Brugger in Mediatek SoCs. 849a44a4553SMatthias Brugger To compile this driver as a module, choose M here: the 850a44a4553SMatthias Brugger module will be called mtk_wdt. 851a44a4553SMatthias Brugger 852336694a0SBaruch Siachconfig DIGICOLOR_WATCHDOG 853336694a0SBaruch Siach tristate "Conexant Digicolor SoCs watchdog support" 854da2a68b3SGuenter Roeck depends on ARCH_DIGICOLOR || COMPILE_TEST 855336694a0SBaruch Siach select WATCHDOG_CORE 856336694a0SBaruch Siach help 857336694a0SBaruch Siach Say Y here to include support for the watchdog timer 858336694a0SBaruch Siach in Conexant Digicolor SoCs. 859336694a0SBaruch Siach To compile this driver as a module, choose M here: the 860336694a0SBaruch Siach module will be called digicolor_wdt. 861336694a0SBaruch Siach 86272a9e7feSJulius Wernerconfig ARM_SMC_WATCHDOG 86372a9e7feSJulius Werner tristate "ARM Secure Monitor Call based watchdog support" 86472a9e7feSJulius Werner depends on ARM || ARM64 86572a9e7feSJulius Werner depends on OF 86672a9e7feSJulius Werner depends on HAVE_ARM_SMCCC 86772a9e7feSJulius Werner select WATCHDOG_CORE 86872a9e7feSJulius Werner help 86972a9e7feSJulius Werner Say Y here to include support for a watchdog timer 87072a9e7feSJulius Werner implemented by the EL3 Secure Monitor on ARM platforms. 87172a9e7feSJulius Werner Requires firmware support. 87272a9e7feSJulius Werner To compile this driver as a module, choose M here: the 87372a9e7feSJulius Werner module will be called arm_smc_wdt. 87472a9e7feSJulius Werner 8757c25f8c9SAriel D'Alessandroconfig LPC18XX_WATCHDOG 8767c25f8c9SAriel D'Alessandro tristate "LPC18xx/43xx Watchdog" 8777c25f8c9SAriel D'Alessandro depends on ARCH_LPC18XX || COMPILE_TEST 878d42d6108SRichard Weinberger depends on HAS_IOMEM 8797c25f8c9SAriel D'Alessandro select WATCHDOG_CORE 8807c25f8c9SAriel D'Alessandro help 8817c25f8c9SAriel D'Alessandro Say Y here if to include support for the watchdog timer 8827c25f8c9SAriel D'Alessandro in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 8837c25f8c9SAriel D'Alessandro processors. 8847c25f8c9SAriel D'Alessandro To compile this driver as a module, choose M here: the 8857c25f8c9SAriel D'Alessandro module will be called lpc18xx_wdt. 8867c25f8c9SAriel D'Alessandro 887bd99b68eSWolfram Sangconfig RENESAS_WDT 888bd99b68eSWolfram Sang tristate "Renesas WDT Watchdog" 889bd99b68eSWolfram Sang depends on ARCH_RENESAS || COMPILE_TEST 890bd99b68eSWolfram Sang select WATCHDOG_CORE 891bd99b68eSWolfram Sang help 892bd99b68eSWolfram Sang This driver adds watchdog support for the integrated watchdogs in the 893bd99b68eSWolfram Sang Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 894bd99b68eSWolfram Sang 895aea24187SChris Brandtconfig RENESAS_RZAWDT 896aea24187SChris Brandt tristate "Renesas RZ/A WDT Watchdog" 897aea24187SChris Brandt depends on ARCH_RENESAS || COMPILE_TEST 898aea24187SChris Brandt select WATCHDOG_CORE 899aea24187SChris Brandt help 900aea24187SChris Brandt This driver adds watchdog support for the integrated watchdogs in the 901aea24187SChris Brandt Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 902aea24187SChris Brandt 903d65112f5SPhil Edworthyconfig RENESAS_RZN1WDT 904d65112f5SPhil Edworthy tristate "Renesas RZ/N1 watchdog" 905d65112f5SPhil Edworthy depends on ARCH_RENESAS || COMPILE_TEST 906d65112f5SPhil Edworthy select WATCHDOG_CORE 907d65112f5SPhil Edworthy help 908d65112f5SPhil Edworthy This driver adds watchdog support for the integrated watchdogs in the 909d65112f5SPhil Edworthy Renesas RZ/N1 SoCs. These watchdogs can be used to reset a system. 910d65112f5SPhil Edworthy 9112cbc5cd0SBiju Dasconfig RENESAS_RZG2LWDT 9122cbc5cd0SBiju Das tristate "Renesas RZ/G2L WDT Watchdog" 9132cbc5cd0SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 9142cbc5cd0SBiju Das select WATCHDOG_CORE 9152cbc5cd0SBiju Das help 9162cbc5cd0SBiju Das This driver adds watchdog support for the integrated watchdogs in the 9172cbc5cd0SBiju Das Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 9182cbc5cd0SBiju Das 919efa859f7SJoel Stanleyconfig ASPEED_WATCHDOG 9202050dd06SAndrew Jeffery tristate "Aspeed BMC watchdog support" 921efa859f7SJoel Stanley depends on ARCH_ASPEED || COMPILE_TEST 922efa859f7SJoel Stanley select WATCHDOG_CORE 923efa859f7SJoel Stanley help 924efa859f7SJoel Stanley Say Y here to include support for the watchdog timer 925ffff023aSAndrew Jeffery in Aspeed BMC SoCs. 926efa859f7SJoel Stanley 927efa859f7SJoel Stanley This driver is required to reboot the SoC. 928efa859f7SJoel Stanley 929efa859f7SJoel Stanley To compile this driver as a module, choose M here: the 930efa859f7SJoel Stanley module will be called aspeed_wdt. 931efa859f7SJoel Stanley 9324332d113SYannick Fertreconfig STM32_WATCHDOG 9334332d113SYannick Fertre tristate "STM32 Independent WatchDoG (IWDG) support" 934f1a43aadSRob Herring depends on ARCH_STM32 || COMPILE_TEST 9354332d113SYannick Fertre select WATCHDOG_CORE 9364332d113SYannick Fertre default y 9374332d113SYannick Fertre help 9384332d113SYannick Fertre Say Y here to include support for the watchdog timer 9394332d113SYannick Fertre in stm32 SoCs. 9404332d113SYannick Fertre 9414332d113SYannick Fertre To compile this driver as a module, choose M here: the 9424332d113SYannick Fertre module will be called stm32_iwdg. 9434332d113SYannick Fertre 94428804c2cSPascal PAILLET-LMEconfig STPMIC1_WATCHDOG 94528804c2cSPascal PAILLET-LME tristate "STPMIC1 PMIC watchdog support" 94628804c2cSPascal PAILLET-LME depends on MFD_STPMIC1 94728804c2cSPascal PAILLET-LME select WATCHDOG_CORE 94828804c2cSPascal PAILLET-LME help 94928804c2cSPascal PAILLET-LME Say Y here to include watchdog support embedded into STPMIC1 PMIC. 95028804c2cSPascal PAILLET-LME If the watchdog timer expires, stpmic1 will shut down all its power 95128804c2cSPascal PAILLET-LME supplies. 95228804c2cSPascal PAILLET-LME 95328804c2cSPascal PAILLET-LME To compile this driver as a module, choose M here: the 95428804c2cSPascal PAILLET-LME module will be called spmic1_wdt. 95528804c2cSPascal PAILLET-LME 956e7bf0289SKeiji Hayashibaraconfig UNIPHIER_WATCHDOG 957e7bf0289SKeiji Hayashibara tristate "UniPhier watchdog support" 958e7bf0289SKeiji Hayashibara depends on ARCH_UNIPHIER || COMPILE_TEST 959e7bf0289SKeiji Hayashibara depends on OF && MFD_SYSCON 960e7bf0289SKeiji Hayashibara select WATCHDOG_CORE 961e7bf0289SKeiji Hayashibara help 962e7bf0289SKeiji Hayashibara Say Y here to include support watchdog timer embedded 963e7bf0289SKeiji Hayashibara into the UniPhier system. 964e7bf0289SKeiji Hayashibara 965e7bf0289SKeiji Hayashibara To compile this driver as a module, choose M here: the 966e7bf0289SKeiji Hayashibara module will be called uniphier_wdt. 967e7bf0289SKeiji Hayashibara 9682bdf6acbSAndreas Färberconfig RTD119X_WATCHDOG 9692bdf6acbSAndreas Färber bool "Realtek RTD119x/RTD129x watchdog support" 9702bdf6acbSAndreas Färber depends on ARCH_REALTEK || COMPILE_TEST 9712bdf6acbSAndreas Färber depends on OF 9722bdf6acbSAndreas Färber select WATCHDOG_CORE 9732bdf6acbSAndreas Färber default ARCH_REALTEK 974b7e04f8cSWim Van Sebroeck help 9752bdf6acbSAndreas Färber Say Y here to include support for the watchdog timer in 9762bdf6acbSAndreas Färber Realtek RTD1295 SoCs. 9772bdf6acbSAndreas Färber 9787d7267aeSSander Vanheuleconfig REALTEK_OTTO_WDT 9797d7267aeSSander Vanheule tristate "Realtek Otto MIPS watchdog support" 9807d7267aeSSander Vanheule depends on MACH_REALTEK_RTL || COMPILE_TEST 9817d7267aeSSander Vanheule depends on COMMON_CLK 9827d7267aeSSander Vanheule select WATCHDOG_CORE 9837d7267aeSSander Vanheule default MACH_REALTEK_RTL 9847d7267aeSSander Vanheule help 9857d7267aeSSander Vanheule Say Y here to include support for the watchdog timer on Realtek 9867d7267aeSSander Vanheule RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 9877d7267aeSSander Vanheule notifications and system reset on timeout. 9887d7267aeSSander Vanheule 9897d7267aeSSander Vanheule When built as a module this will be called realtek_otto_wdt. 9907d7267aeSSander Vanheule 99147760346SEric Longconfig SPRD_WATCHDOG 99247760346SEric Long tristate "Spreadtrum watchdog support" 99347760346SEric Long depends on ARCH_SPRD || COMPILE_TEST 99447760346SEric Long select WATCHDOG_CORE 99547760346SEric Long help 99647760346SEric Long Say Y here to include watchdog timer supported 99747760346SEric Long by Spreadtrum system. 998b7e04f8cSWim Van Sebroeck 999969c0accSLoic Poulainconfig PM8916_WATCHDOG 1000969c0accSLoic Poulain tristate "QCOM PM8916 pmic watchdog" 1001969c0accSLoic Poulain depends on OF && MFD_SPMI_PMIC 1002969c0accSLoic Poulain select WATCHDOG_CORE 1003969c0accSLoic Poulain help 1004969c0accSLoic Poulain Say Y here to include support watchdog timer embedded into the 1005969c0accSLoic Poulain pm8916 module. 1006969c0accSLoic Poulain 1007c5b8e464SNobuhiro Iwamatsuconfig VISCONTI_WATCHDOG 1008c5b8e464SNobuhiro Iwamatsu tristate "Toshiba Visconti series watchdog support" 1009c5b8e464SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 1010c5b8e464SNobuhiro Iwamatsu select WATCHDOG_CORE 1011c5b8e464SNobuhiro Iwamatsu help 1012c5b8e464SNobuhiro Iwamatsu Say Y here to include support for the watchdog timer in Toshiba 1013c5b8e464SNobuhiro Iwamatsu Visconti SoCs. 1014c5b8e464SNobuhiro Iwamatsu 1015e9800b79SDaniel Palmerconfig MSC313E_WATCHDOG 1016e9800b79SDaniel Palmer tristate "MStar MSC313e watchdog" 1017e9800b79SDaniel Palmer depends on ARCH_MSTARV7 || COMPILE_TEST 1018e9800b79SDaniel Palmer select WATCHDOG_CORE 1019e9800b79SDaniel Palmer help 1020e9800b79SDaniel Palmer Say Y here to include support for the Watchdog timer embedded 1021e9800b79SDaniel Palmer into MStar MSC313e chips. This will reboot your system when the 1022e9800b79SDaniel Palmer timeout is reached. 1023e9800b79SDaniel Palmer 1024e9800b79SDaniel Palmer To compile this driver as a module, choose M here: the 1025e9800b79SDaniel Palmer module will be called msc313e_wdt. 1026e9800b79SDaniel Palmer 10274ed224aeSSven Peterconfig APPLE_WATCHDOG 10284ed224aeSSven Peter tristate "Apple SoC watchdog" 10294ed224aeSSven Peter depends on ARCH_APPLE || COMPILE_TEST 10304ed224aeSSven Peter select WATCHDOG_CORE 10314ed224aeSSven Peter help 10324ed224aeSSven Peter Say Y here to include support for the Watchdog found in Apple 10334ed224aeSSven Peter SoCs such as the M1. Next to the common watchdog features this 10344ed224aeSSven Peter driver is also required in order to reboot these SoCs. 10354ed224aeSSven Peter 10364ed224aeSSven Peter To compile this driver as a module, choose M here: the 10374ed224aeSSven Peter module will be called apple_wdt. 10384ed224aeSSven Peter 1039daf42866SXiantao Huconfig SUNPLUS_WATCHDOG 1040daf42866SXiantao Hu tristate "Sunplus watchdog support" 1041daf42866SXiantao Hu depends on ARCH_SUNPLUS || COMPILE_TEST 1042daf42866SXiantao Hu select WATCHDOG_CORE 1043daf42866SXiantao Hu help 1044daf42866SXiantao Hu Say Y here to include support for the watchdog timer 1045daf42866SXiantao Hu in Sunplus SoCs. 1046daf42866SXiantao Hu 1047daf42866SXiantao Hu To compile this driver as a module, choose M here: the 1048daf42866SXiantao Hu module will be called sunplus_wdt. 1049daf42866SXiantao Hu 1050b7e04f8cSWim Van Sebroeck# X86 (i386 + ia64 + x86_64) Architecture 1051b7e04f8cSWim Van Sebroeck 1052b7e04f8cSWim Van Sebroeckconfig ACQUIRE_WDT 1053b7e04f8cSWim Van Sebroeck tristate "Acquire SBC Watchdog Timer" 1054b7e04f8cSWim Van Sebroeck depends on X86 1055a7f7f624SMasahiro Yamada help 1056b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on Single Board 1057b7e04f8cSWim Van Sebroeck Computers produced by Acquire Inc (and others). This watchdog 1058b7e04f8cSWim Van Sebroeck simply watches your kernel to make sure it doesn't freeze, and if 1059b7e04f8cSWim Van Sebroeck it does, it reboots your computer after a certain amount of time. 1060b7e04f8cSWim Van Sebroeck 1061b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1062b7e04f8cSWim Van Sebroeck module will be called acquirewdt. 1063b7e04f8cSWim Van Sebroeck 1064b7e04f8cSWim Van Sebroeck Most people will say N. 1065b7e04f8cSWim Van Sebroeck 1066b7e04f8cSWim Van Sebroeckconfig ADVANTECH_WDT 1067b7e04f8cSWim Van Sebroeck tristate "Advantech SBC Watchdog Timer" 1068f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1069b7e04f8cSWim Van Sebroeck help 1070b7e04f8cSWim Van Sebroeck If you are configuring a Linux kernel for the Advantech single-board 1071b7e04f8cSWim Van Sebroeck computer, say `Y' here to support its built-in watchdog timer 1072b7e04f8cSWim Van Sebroeck feature. More information can be found at 10732ab77a34SAlexander A. Klimov <https://www.advantech.com.tw/products/> 1074b7e04f8cSWim Van Sebroeck 107508435c2aSThomas Kastnerconfig ADVANTECH_EC_WDT 107608435c2aSThomas Kastner tristate "Advantech Embedded Controller Watchdog Timer" 1077f1a43aadSRob Herring depends on X86 || COMPILE_TEST 10786eb28a38SFlorent CARLI select ISA_BUS_API 10796eb28a38SFlorent CARLI select WATCHDOG_CORE 108008435c2aSThomas Kastner help 108108435c2aSThomas Kastner This driver supports Advantech products with ITE based Embedded Controller. 108208435c2aSThomas Kastner It does not support Advantech products with other ECs or without EC. 108308435c2aSThomas Kastner 1084b7e04f8cSWim Van Sebroeckconfig ALIM1535_WDT 1085b7e04f8cSWim Van Sebroeck tristate "ALi M1535 PMU Watchdog Timer" 1086f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1087a7f7f624SMasahiro Yamada help 1088b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M1535 PMU. 1089b7e04f8cSWim Van Sebroeck 1090b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1091b7e04f8cSWim Van Sebroeck module will be called alim1535_wdt. 1092b7e04f8cSWim Van Sebroeck 1093b7e04f8cSWim Van Sebroeck Most people will say N. 1094b7e04f8cSWim Van Sebroeck 1095b7e04f8cSWim Van Sebroeckconfig ALIM7101_WDT 1096b7e04f8cSWim Van Sebroeck tristate "ALi M7101 PMU Computer Watchdog" 1097bdd87354SAlexander Clouter depends on PCI 1098b7e04f8cSWim Van Sebroeck help 1099b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M7101 PMU 1100bdd87354SAlexander Clouter as used in the x86 Cobalt servers and also found in some 1101bdd87354SAlexander Clouter SPARC Netra servers too. 1102b7e04f8cSWim Van Sebroeck 1103b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1104b7e04f8cSWim Van Sebroeck module will be called alim7101_wdt. 1105b7e04f8cSWim Van Sebroeck 1106b7e04f8cSWim Van Sebroeck Most people will say N. 1107b7e04f8cSWim Van Sebroeck 1108c36a483dSWilliam Breathitt Grayconfig EBC_C384_WDT 1109c36a483dSWilliam Breathitt Gray tristate "WinSystems EBC-C384 Watchdog Timer" 1110f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1111ccfe35eaSWilliam Breathitt Gray select ISA_BUS_API 1112c36a483dSWilliam Breathitt Gray select WATCHDOG_CORE 1113c36a483dSWilliam Breathitt Gray help 1114c36a483dSWilliam Breathitt Gray Enables watchdog timer support for the watchdog timer on the 1115c36a483dSWilliam Breathitt Gray WinSystems EBC-C384 motherboard. The timeout may be configured via 1116c36a483dSWilliam Breathitt Gray the timeout module parameter. 1117c36a483dSWilliam Breathitt Gray 111881126222SDavid Müllerconfig EXAR_WDT 111981126222SDavid Müller tristate "Exar Watchdog Timer" 1120f1a43aadSRob Herring depends on X86 || COMPILE_TEST 112181126222SDavid Müller select WATCHDOG_CORE 112281126222SDavid Müller help 112381126222SDavid Müller Enables watchdog timer support for the watchdog timer present 112481126222SDavid Müller in some Exar/MaxLinear UART chips like the XR28V38x. 112581126222SDavid Müller 112681126222SDavid Müller To compile this driver as a module, choose M here: the 112781126222SDavid Müller module will be called exar_wdt. 112881126222SDavid Müller 112996cb4eb0SGiel van Schijndelconfig F71808E_WDT 1130166fbcf8SMaciej S. Szmigiero tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1131f1a43aadSRob Herring depends on X86 || COMPILE_TEST 11328bea27edSAhmad Fatoum select WATCHDOG_CORE 113396cb4eb0SGiel van Schijndel help 1134166fbcf8SMaciej S. Szmigiero This is the driver for the hardware watchdog on the Fintek F71808E, 1135ca2fc5efSJaret Cantu F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1136ca2fc5efSJaret Cantu F81866 Super I/O controllers. 113796cb4eb0SGiel van Schijndel 113896cb4eb0SGiel van Schijndel You can compile this driver directly into the kernel, or use 113996cb4eb0SGiel van Schijndel it as a module. The module will be called f71808e_wdt. 114096cb4eb0SGiel van Schijndel 114115e28bf1SPriyanka Guptaconfig SP5100_TCO 114215e28bf1SPriyanka Gupta tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 1143f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1144a17f4f03SWim Van Sebroeck select WATCHDOG_CORE 1145a7f7f624SMasahiro Yamada help 114615e28bf1SPriyanka Gupta Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 114715e28bf1SPriyanka Gupta (Total Cost of Ownership) timer is a watchdog timer that will reboot 114815e28bf1SPriyanka Gupta the machine after its expiration. The expiration time can be 114915e28bf1SPriyanka Gupta configured with the "heartbeat" parameter. 115015e28bf1SPriyanka Gupta 115115e28bf1SPriyanka Gupta To compile this driver as a module, choose M here: the 115215e28bf1SPriyanka Gupta module will be called sp5100_tco. 115396cb4eb0SGiel van Schijndel 11540b36086bSJordan Crouseconfig GEODE_WDT 11550b36086bSJordan Crouse tristate "AMD Geode CS5535/CS5536 Watchdog" 11560369fdf2SArnd Bergmann depends on CS5535_MFGPT 11570b36086bSJordan Crouse help 11580b36086bSJordan Crouse This driver enables a watchdog capability built into the 11590b36086bSJordan Crouse CS5535/CS5536 companion chips for the AMD Geode GX and LX 11600b36086bSJordan Crouse processors. This watchdog watches your kernel to make sure 11610b36086bSJordan Crouse it doesn't freeze, and if it does, it reboots your computer after 11620b36086bSJordan Crouse a certain amount of time. 11630b36086bSJordan Crouse 11640b36086bSJordan Crouse You can compile this driver directly into the kernel, or use 11650b36086bSJordan Crouse it as a module. The module will be called geodewdt. 11660b36086bSJordan Crouse 1167b7e04f8cSWim Van Sebroeckconfig SC520_WDT 1168b7e04f8cSWim Van Sebroeck tristate "AMD Elan SC520 processor Watchdog" 1169da2a68b3SGuenter Roeck depends on MELAN || COMPILE_TEST 1170b7e04f8cSWim Van Sebroeck help 1171b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog built in to the 1172b7e04f8cSWim Van Sebroeck AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1173b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1174b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1175b7e04f8cSWim Van Sebroeck amount of time. 1176b7e04f8cSWim Van Sebroeck 1177b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1178b7e04f8cSWim Van Sebroeck it as a module. The module will be called sc520_wdt. 1179b7e04f8cSWim Van Sebroeck 11803a5f9000SDenis Turischevconfig SBC_FITPC2_WATCHDOG 11813a5f9000SDenis Turischev tristate "Compulab SBC-FITPC2 watchdog" 1182f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1183a7f7f624SMasahiro Yamada help 1184ef39a1bfSDenis Turischev This is the driver for the built-in watchdog timer on the fit-PC2, 1185ef39a1bfSDenis Turischev fit-PC2i, CM-iAM single-board computers made by Compulab. 11863a5f9000SDenis Turischev 118701028829SRandy Dunlap It's possible to enable the watchdog timer either from BIOS (F2) or 118801028829SRandy Dunlap from booted Linux. 118901028829SRandy Dunlap When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 119001028829SRandy Dunlap operational range. 11913a5f9000SDenis Turischev 119201028829SRandy Dunlap Entering BIOS setup temporarily disables watchdog operation regardless 119301028829SRandy Dunlap of current state, so system will not be restarted while user is in 119401028829SRandy Dunlap BIOS setup. 11953a5f9000SDenis Turischev 119601028829SRandy Dunlap Once the watchdog is enabled the system will be restarted every 11973a5f9000SDenis Turischev "Watchdog Timer Value" period, so to prevent it user can restart or 11983a5f9000SDenis Turischev disable the watchdog. 11993a5f9000SDenis Turischev 12003a5f9000SDenis Turischev To compile this driver as a module, choose M here: the 12013a5f9000SDenis Turischev module will be called sbc_fitpc2_wdt. 12023a5f9000SDenis Turischev 12033a5f9000SDenis Turischev Most people will say N. 12043a5f9000SDenis Turischev 1205b7e04f8cSWim Van Sebroeckconfig EUROTECH_WDT 1206b7e04f8cSWim Van Sebroeck tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1207f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1208b7e04f8cSWim Van Sebroeck help 1209b7e04f8cSWim Van Sebroeck Enable support for the watchdog timer on the Eurotech CPU-1220 and 1210b7e04f8cSWim Van Sebroeck CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1211b7e04f8cSWim Van Sebroeck information are at <http://www.eurotech.it/>. 1212b7e04f8cSWim Van Sebroeck 1213b7e04f8cSWim Van Sebroeckconfig IB700_WDT 1214b7e04f8cSWim Van Sebroeck tristate "IB700 SBC Watchdog Timer" 1215f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1216a7f7f624SMasahiro Yamada help 1217b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the IB700 Single 121801028829SRandy Dunlap Board Computer produced by TMC Technology (www.tmc-uk.com). This 121901028829SRandy Dunlap watchdog simply watches your kernel to make sure it doesn't freeze, 122001028829SRandy Dunlap and if it does, it reboots your computer after a certain amount of time. 1221b7e04f8cSWim Van Sebroeck 122201028829SRandy Dunlap This driver is like the WDT501 driver but for slightly different 122301028829SRandy Dunlap hardware. 1224b7e04f8cSWim Van Sebroeck 1225b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1226b7e04f8cSWim Van Sebroeck module will be called ib700wdt. 1227b7e04f8cSWim Van Sebroeck 1228b7e04f8cSWim Van Sebroeck Most people will say N. 1229b7e04f8cSWim Van Sebroeck 1230b7e04f8cSWim Van Sebroeckconfig IBMASR 1231b7e04f8cSWim Van Sebroeck tristate "IBM Automatic Server Restart" 1232f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1233b7e04f8cSWim Van Sebroeck help 1234b7e04f8cSWim Van Sebroeck This is the driver for the IBM Automatic Server Restart watchdog 1235b7e04f8cSWim Van Sebroeck timer built-in into some eServer xSeries machines. 1236b7e04f8cSWim Van Sebroeck 1237b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1238b7e04f8cSWim Van Sebroeck module will be called ibmasr. 1239b7e04f8cSWim Van Sebroeck 1240b7e04f8cSWim Van Sebroeckconfig WAFER_WDT 124101ed08c1SVeljkovic Srdjan tristate "ICP Single Board Computer Watchdog Timer" 1242f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1243b7e04f8cSWim Van Sebroeck help 124401ed08c1SVeljkovic Srdjan This is a driver for the hardware watchdog on the ICP Single 124501ed08c1SVeljkovic Srdjan Board Computer. This driver is working on (at least) the following 124601ed08c1SVeljkovic Srdjan IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1247b7e04f8cSWim Van Sebroeck 1248b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1249b7e04f8cSWim Van Sebroeck module will be called wafer5823wdt. 1250b7e04f8cSWim Van Sebroeck 1251b7e04f8cSWim Van Sebroeckconfig I6300ESB_WDT 1252b7e04f8cSWim Van Sebroeck tristate "Intel 6300ESB Timer/Watchdog" 12537050bd54SMichael Olbrich depends on PCI 12547e2e5158SMatteo Croce select WATCHDOG_CORE 1255a7f7f624SMasahiro Yamada help 1256b7e04f8cSWim Van Sebroeck Hardware driver for the watchdog timer built into the Intel 1257b7e04f8cSWim Van Sebroeck 6300ESB controller hub. 1258b7e04f8cSWim Van Sebroeck 1259b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1260b7e04f8cSWim Van Sebroeck module will be called i6300esb. 1261b7e04f8cSWim Van Sebroeck 1262101ce87bSAlexander Steinconfig IE6XX_WDT 1263101ce87bSAlexander Stein tristate "Intel Atom E6xx Watchdog" 1264f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1265101ce87bSAlexander Stein select WATCHDOG_CORE 1266101ce87bSAlexander Stein select MFD_CORE 1267101ce87bSAlexander Stein select LPC_SCH 1268a7f7f624SMasahiro Yamada help 1269101ce87bSAlexander Stein Hardware driver for the watchdog timer built into the Intel 1270101ce87bSAlexander Stein Atom E6XX (TunnelCreek) processor. 1271101ce87bSAlexander Stein 1272101ce87bSAlexander Stein To compile this driver as a module, choose M here: the 1273101ce87bSAlexander Stein module will be called ie6xx_wdt. 1274101ce87bSAlexander Stein 127587a1ef80SDavid Cohenconfig INTEL_MID_WATCHDOG 127687a1ef80SDavid Cohen tristate "Intel MID Watchdog Timer" 127787a1ef80SDavid Cohen depends on X86_INTEL_MID 127887a1ef80SDavid Cohen select WATCHDOG_CORE 1279a7f7f624SMasahiro Yamada help 128087a1ef80SDavid Cohen Watchdog timer driver built into the Intel SCU for Intel MID 128187a1ef80SDavid Cohen Platforms. 128287a1ef80SDavid Cohen 128387a1ef80SDavid Cohen This driver currently supports only the watchdog evolution 128487a1ef80SDavid Cohen implementation in SCU, available for Merrifield generation. 128587a1ef80SDavid Cohen 128687a1ef80SDavid Cohen To compile this driver as a module, choose M here. 128787a1ef80SDavid Cohen 1288b7e04f8cSWim Van Sebroeckconfig ITCO_WDT 1289b7e04f8cSWim Van Sebroeck tristate "Intel TCO Timer/Watchdog" 1290b7e04f8cSWim Van Sebroeck depends on (X86 || IA64) && PCI 1291bff23431SWim Van Sebroeck select WATCHDOG_CORE 12923cef072dSGuenter Roeck depends on I2C || I2C=n 1293b30c1a46SArnd Bergmann depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 12942a7a0e9bSMatt Fleming select LPC_ICH if !EXPERT 12953cef072dSGuenter Roeck select I2C_I801 if !EXPERT && I2C 1296a7f7f624SMasahiro Yamada help 1297b7e04f8cSWim Van Sebroeck Hardware driver for the intel TCO timer based watchdog devices. 1298b7e04f8cSWim Van Sebroeck These drivers are included in the Intel 82801 I/O Controller 129912d60e28SWim Van Sebroeck Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1300b7e04f8cSWim Van Sebroeck controller hub. 1301b7e04f8cSWim Van Sebroeck 1302b7e04f8cSWim Van Sebroeck The TCO (Total Cost of Ownership) timer is a watchdog timer 1303b7e04f8cSWim Van Sebroeck that will reboot the machine after its second expiration. The 1304b7e04f8cSWim Van Sebroeck expiration time can be configured with the "heartbeat" parameter. 1305b7e04f8cSWim Van Sebroeck 1306b7e04f8cSWim Van Sebroeck On some motherboards the driver may fail to reset the chipset's 1307b7e04f8cSWim Van Sebroeck NO_REBOOT flag which prevents the watchdog from rebooting the 1308b7e04f8cSWim Van Sebroeck machine. If this is the case you will get a kernel message like 1309b7e04f8cSWim Van Sebroeck "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1310b7e04f8cSWim Van Sebroeck 1311b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1312b7e04f8cSWim Van Sebroeck module will be called iTCO_wdt. 1313b7e04f8cSWim Van Sebroeck 1314b7e04f8cSWim Van Sebroeckconfig ITCO_VENDOR_SUPPORT 1315b7e04f8cSWim Van Sebroeck bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1316b7e04f8cSWim Van Sebroeck depends on ITCO_WDT 1317a7f7f624SMasahiro Yamada help 1318b7e04f8cSWim Van Sebroeck Add vendor specific support to the intel TCO timer based watchdog 1319b7e04f8cSWim Van Sebroeck devices. At this moment we only have additional support for some 1320b7e04f8cSWim Van Sebroeck SuperMicro Inc. motherboards. 1321b7e04f8cSWim Van Sebroeck 132238ff6fd2SJorge Boncompte [DTI2]config IT8712F_WDT 132338ff6fd2SJorge Boncompte [DTI2] tristate "IT8712F (Smart Guardian) Watchdog Timer" 1324f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1325a7f7f624SMasahiro Yamada help 132638ff6fd2SJorge Boncompte [DTI2] This is the driver for the built-in watchdog timer on the IT8712F 132738ff6fd2SJorge Boncompte [DTI2] Super I/0 chipset used on many motherboards. 132838ff6fd2SJorge Boncompte [DTI2] 13294fc36808SWim Van Sebroeck If the driver does not work, then make sure that the game port in 13304fc36808SWim Van Sebroeck the BIOS is enabled. 13314fc36808SWim Van Sebroeck 133238ff6fd2SJorge Boncompte [DTI2] To compile this driver as a module, choose M here: the 133338ff6fd2SJorge Boncompte [DTI2] module will be called it8712f_wdt. 133438ff6fd2SJorge Boncompte [DTI2] 1335e1fee94fSOliver Schusterconfig IT87_WDT 1336e1fee94fSOliver Schuster tristate "IT87 Watchdog Timer" 1337f1a43aadSRob Herring depends on X86 || COMPILE_TEST 13381d7b8039SGuenter Roeck select WATCHDOG_CORE 1339a7f7f624SMasahiro Yamada help 1340cddda07cSGuenter Roeck This is the driver for the hardware watchdog on the ITE IT8607, 1341cddda07cSGuenter Roeck IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1342cddda07cSGuenter Roeck IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1343cddda07cSGuenter Roeck IT8783 Super I/O chips. 1344198ca015SDiego Elio Pettenò 1345dfb0b8eaSOndrej Zajicek This watchdog simply watches your kernel to make sure it doesn't 1346dfb0b8eaSOndrej Zajicek freeze, and if it does, it reboots your computer after a certain 1347dfb0b8eaSOndrej Zajicek amount of time. 1348e1fee94fSOliver Schuster 1349e1fee94fSOliver Schuster To compile this driver as a module, choose M here: the module will 1350e1fee94fSOliver Schuster be called it87_wdt. 1351e1fee94fSOliver Schuster 13527f4da474SThomas Mingarelliconfig HP_WATCHDOG 1353ea6649c7SNaga Chumbalkar tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1354d0a4027fSJerry Hoemann select WATCHDOG_CORE 1355f1a43aadSRob Herring depends on (ARM64 || X86 || COMPILE_TEST) && PCI 13567f4da474SThomas Mingarelli help 135700fd20b4SJerry Hoemann A software monitoring watchdog and NMI handling driver. This driver 135886ded1f3Sdann frazier will detect lockups and provide a stack trace. This is a driver that 1359ea6649c7SNaga Chumbalkar will only load on an HP ProLiant system with a minimum of iLO2 support. 136086ded1f3Sdann frazier To compile this driver as a module, choose M here: the module will be 136186ded1f3Sdann frazier called hpwdt. 136286ded1f3Sdann frazier 1363345f1625SGuenter Roeckconfig HPWDT_NMI_DECODING 1364345f1625SGuenter Roeck bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1365891862d5SJerry Hoemann depends on X86 && HP_WATCHDOG 1366345f1625SGuenter Roeck default y 1367345f1625SGuenter Roeck help 1368345f1625SGuenter Roeck Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1369345f1625SGuenter Roeck "Generate NMI to System" virtual button. When an NMI is claimed 1370345f1625SGuenter Roeck by the driver, panic is called. 1371345f1625SGuenter Roeck 1372e51c288eSKevin Strasserconfig KEMPLD_WDT 1373e51c288eSKevin Strasser tristate "Kontron COM Watchdog Timer" 1374ed4a9ecaSArnd Bergmann depends on MFD_KEMPLD 1375e51c288eSKevin Strasser select WATCHDOG_CORE 1376e51c288eSKevin Strasser help 1377e51c288eSKevin Strasser Support for the PLD watchdog on some Kontron ETX and COMexpress 1378e51c288eSKevin Strasser (ETXexpress) modules 1379e51c288eSKevin Strasser 1380e51c288eSKevin Strasser This driver can also be built as a module. If so, the module will be 1381e51c288eSKevin Strasser called kempld_wdt. 1382e51c288eSKevin Strasser 1383b7e04f8cSWim Van Sebroeckconfig SC1200_WDT 1384b7e04f8cSWim Van Sebroeck tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1385f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1386b7e04f8cSWim Van Sebroeck help 1387b7e04f8cSWim Van Sebroeck This is a driver for National Semiconductor PC87307/PC97307 hardware 1388b7e04f8cSWim Van Sebroeck watchdog cards as found on the SC1200. This watchdog is mainly used 1389b7e04f8cSWim Van Sebroeck for power management purposes and can be used to power down the device 1390b7e04f8cSWim Van Sebroeck during inactivity periods (includes interrupt activity monitoring). 1391b7e04f8cSWim Van Sebroeck 1392b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1393b7e04f8cSWim Van Sebroeck module will be called sc1200wdt. 1394b7e04f8cSWim Van Sebroeck 1395b7e04f8cSWim Van Sebroeck Most people will say N. 1396b7e04f8cSWim Van Sebroeck 1397b7e04f8cSWim Van Sebroeckconfig SCx200_WDT 1398b7e04f8cSWim Van Sebroeck tristate "National Semiconductor SCx200 Watchdog" 1399b7e04f8cSWim Van Sebroeck depends on SCx200 && PCI 1400b7e04f8cSWim Van Sebroeck help 1401b7e04f8cSWim Van Sebroeck Enable the built-in watchdog timer support on the National 1402b7e04f8cSWim Van Sebroeck Semiconductor SCx200 processors. 1403b7e04f8cSWim Van Sebroeck 1404b7e04f8cSWim Van Sebroeck If compiled as a module, it will be called scx200_wdt. 1405b7e04f8cSWim Van Sebroeck 1406b7e04f8cSWim Van Sebroeckconfig PC87413_WDT 1407b7e04f8cSWim Van Sebroeck tristate "NS PC87413 watchdog" 1408f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1409a7f7f624SMasahiro Yamada help 1410b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the PC87413 chipset 1411b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1412b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1413b7e04f8cSWim Van Sebroeck amount of time. 1414b7e04f8cSWim Van Sebroeck 1415b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1416b7e04f8cSWim Van Sebroeck module will be called pc87413_wdt. 1417b7e04f8cSWim Van Sebroeck 1418b7e04f8cSWim Van Sebroeck Most people will say N. 1419b7e04f8cSWim Van Sebroeck 1420456c7301SMike Waychisonconfig NV_TCO 1421456c7301SMike Waychison tristate "nVidia TCO Timer/Watchdog" 1422f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1423a7f7f624SMasahiro Yamada help 1424456c7301SMike Waychison Hardware driver for the TCO timer built into the nVidia Hub family 1425456c7301SMike Waychison (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1426456c7301SMike Waychison watchdog timer that will reboot the machine after its second 1427456c7301SMike Waychison expiration. The expiration time can be configured with the 1428456c7301SMike Waychison "heartbeat" parameter. 1429456c7301SMike Waychison 1430456c7301SMike Waychison On some motherboards the driver may fail to reset the chipset's 1431456c7301SMike Waychison NO_REBOOT flag which prevents the watchdog from rebooting the 1432456c7301SMike Waychison machine. If this is the case you will get a kernel message like 1433456c7301SMike Waychison "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1434456c7301SMike Waychison 1435456c7301SMike Waychison To compile this driver as a module, choose M here: the 1436456c7301SMike Waychison module will be called nv_tco. 1437456c7301SMike Waychison 1438b3e8f2c1SFlorian Fainelliconfig RDC321X_WDT 1439b3e8f2c1SFlorian Fainelli tristate "RDC R-321x SoC watchdog" 1440da2a68b3SGuenter Roeck depends on X86_RDC321X || COMPILE_TEST 14418751f90cSGuenter Roeck depends on PCI 1442b3e8f2c1SFlorian Fainelli help 1443b3e8f2c1SFlorian Fainelli This is the driver for the built in hardware watchdog 1444b3e8f2c1SFlorian Fainelli in the RDC R-321x SoC. 1445b3e8f2c1SFlorian Fainelli 1446b3e8f2c1SFlorian Fainelli To compile this driver as a module, choose M here: the 1447b3e8f2c1SFlorian Fainelli module will be called rdc321x_wdt. 1448b3e8f2c1SFlorian Fainelli 1449b7e04f8cSWim Van Sebroeckconfig 60XX_WDT 1450b7e04f8cSWim Van Sebroeck tristate "SBC-60XX Watchdog Timer" 1451f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1452b7e04f8cSWim Van Sebroeck help 1453b7e04f8cSWim Van Sebroeck This driver can be used with the watchdog timer found on some 1454b7e04f8cSWim Van Sebroeck single board computers, namely the 6010 PII based computer. 1455b7e04f8cSWim Van Sebroeck It may well work with other cards. It reads port 0x443 to enable 1456b7e04f8cSWim Van Sebroeck and re-set the watchdog timer, and reads port 0x45 to disable 1457b7e04f8cSWim Van Sebroeck the watchdog. If you have a card that behave in similar ways, 1458b7e04f8cSWim Van Sebroeck you can probably make this driver work with your card as well. 1459b7e04f8cSWim Van Sebroeck 1460b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1461b7e04f8cSWim Van Sebroeck it as a module. The module will be called sbc60xxwdt. 1462b7e04f8cSWim Van Sebroeck 1463b7e04f8cSWim Van Sebroeckconfig SBC8360_WDT 1464b7e04f8cSWim Van Sebroeck tristate "SBC8360 Watchdog Timer" 14651e8c8a5bSJean Delvare depends on X86_32 1466a7f7f624SMasahiro Yamada help 1467b7e04f8cSWim Van Sebroeck 1468b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the SBC8360 Single 1469b7e04f8cSWim Van Sebroeck Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1470b7e04f8cSWim Van Sebroeck 1471b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 14724737f097SPavel Machek module will be called sbc8360. 1473b7e04f8cSWim Van Sebroeck 1474b7e04f8cSWim Van Sebroeck Most people will say N. 1475b7e04f8cSWim Van Sebroeck 1476c4c28335SGilles Giganconfig SBC7240_WDT 1477c4c28335SGilles Gigan tristate "SBC Nano 7240 Watchdog Timer" 14783369465eSAl Viro depends on X86_32 && !UML 1479a7f7f624SMasahiro Yamada help 1480c4c28335SGilles Gigan This is the driver for the hardware watchdog found on the IEI 1481c4c28335SGilles Gigan single board computers EPIC Nano 7240 (and likely others). This 1482c4c28335SGilles Gigan watchdog simply watches your kernel to make sure it doesn't freeze, 1483c4c28335SGilles Gigan and if it does, it reboots your computer after a certain amount of 1484c4c28335SGilles Gigan time. 1485c4c28335SGilles Gigan 1486c4c28335SGilles Gigan To compile this driver as a module, choose M here: the 1487c4c28335SGilles Gigan module will be called sbc7240_wdt. 1488c4c28335SGilles Gigan 1489b7e04f8cSWim Van Sebroeckconfig CPU5_WDT 1490b7e04f8cSWim Van Sebroeck tristate "SMA CPU5 Watchdog" 1491f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1492a7f7f624SMasahiro Yamada help 1493b7e04f8cSWim Van Sebroeck TBD. 1494b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1495b7e04f8cSWim Van Sebroeck module will be called cpu5wdt. 1496b7e04f8cSWim Van Sebroeck 14974c6e63bdSWim Van Sebroeckconfig SMSC_SCH311X_WDT 14984c6e63bdSWim Van Sebroeck tristate "SMSC SCH311X Watchdog Timer" 1499f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1500a7f7f624SMasahiro Yamada help 15014c6e63bdSWim Van Sebroeck This is the driver for the hardware watchdog timer on the 15024c6e63bdSWim Van Sebroeck SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 15034c6e63bdSWim Van Sebroeck (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 15044c6e63bdSWim Van Sebroeck serial ports). 15054c6e63bdSWim Van Sebroeck 15064c6e63bdSWim Van Sebroeck To compile this driver as a module, choose M here: the 15074c6e63bdSWim Van Sebroeck module will be called sch311x_wdt. 15084c6e63bdSWim Van Sebroeck 1509b7e04f8cSWim Van Sebroeckconfig SMSC37B787_WDT 1510b7e04f8cSWim Van Sebroeck tristate "Winbond SMsC37B787 Watchdog Timer" 1511f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1512a7f7f624SMasahiro Yamada help 1513b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog component on the 1514b7e04f8cSWim Van Sebroeck Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1515b7e04f8cSWim Van Sebroeck from Vision Systems and maybe others. 1516b7e04f8cSWim Van Sebroeck 1517b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1518b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1519b7e04f8cSWim Van Sebroeck amount of time. 1520b7e04f8cSWim Van Sebroeck 1521b7e04f8cSWim Van Sebroeck Usually a userspace daemon will notify the kernel WDT driver that 1522b7e04f8cSWim Van Sebroeck userspace is still alive, at regular intervals. 1523b7e04f8cSWim Van Sebroeck 1524b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1525b7e04f8cSWim Van Sebroeck module will be called smsc37b787_wdt. 1526b7e04f8cSWim Van Sebroeck 1527b7e04f8cSWim Van Sebroeck Most people will say N. 1528b7e04f8cSWim Van Sebroeck 1529e3c21e08SAndrew Lunnconfig TQMX86_WDT 1530e3c21e08SAndrew Lunn tristate "TQ-Systems TQMX86 Watchdog Timer" 1531f1a43aadSRob Herring depends on X86 || COMPILE_TEST 15329a6c274aSYueHaibing select WATCHDOG_CORE 1533e3c21e08SAndrew Lunn help 1534e3c21e08SAndrew Lunn This is the driver for the hardware watchdog timer in the TQMX86 IO 1535e3c21e08SAndrew Lunn controller found on some of their ComExpress Modules. 1536e3c21e08SAndrew Lunn 1537e3c21e08SAndrew Lunn To compile this driver as a module, choose M here; the module 1538e3c21e08SAndrew Lunn will be called tqmx86_wdt. 1539e3c21e08SAndrew Lunn 1540e3c21e08SAndrew Lunn Most people will say N. 1541e3c21e08SAndrew Lunn 1542dc3c56b7SMarc Vertesconfig VIA_WDT 1543dc3c56b7SMarc Vertes tristate "VIA Watchdog Timer" 1544f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1545dc3c56b7SMarc Vertes select WATCHDOG_CORE 1546a7f7f624SMasahiro Yamada help 1547dc3c56b7SMarc Vertes This is the driver for the hardware watchdog timer on VIA 1548dc3c56b7SMarc Vertes southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1549dc3c56b7SMarc Vertes 1550dc3c56b7SMarc Vertes To compile this driver as a module, choose M here; the module 1551dc3c56b7SMarc Vertes will be called via_wdt. 1552dc3c56b7SMarc Vertes 1553dc3c56b7SMarc Vertes Most people will say N. 1554dc3c56b7SMarc Vertes 1555b7e04f8cSWim Van Sebroeckconfig W83627HF_WDT 1556962c04f5SGuenter Roeck tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1557f1a43aadSRob Herring depends on X86 || COMPILE_TEST 155830a83695SGuenter Roeck select WATCHDOG_CORE 1559a7f7f624SMasahiro Yamada help 1560962c04f5SGuenter Roeck This is the driver for the hardware watchdog on the following 1561962c04f5SGuenter Roeck Super I/O chips. 1562962c04f5SGuenter Roeck W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1563962c04f5SGuenter Roeck W83637HF 1564962c04f5SGuenter Roeck W83667HG/HG-B 1565962c04f5SGuenter Roeck W83687THF 15667b6d0b6aSGuenter Roeck W83697HF 15677b6d0b6aSGuenter Roeck W83697UG 1568962c04f5SGuenter Roeck NCT6775 1569962c04f5SGuenter Roeck NCT6776 1570962c04f5SGuenter Roeck NCT6779 1571a77841d5SGuenter Roeck NCT6791 1572a77841d5SGuenter Roeck NCT6792 157333f74b89SRob Kramer NCT6102D/04D/06D 1574e11cfc69SSrikanth Krishnakar NCT6116D 1575962c04f5SGuenter Roeck 15769c67bea4SBenny Loenstrup Ammitzboell This watchdog simply watches your kernel to make sure it doesn't 15779c67bea4SBenny Loenstrup Ammitzboell freeze, and if it does, it reboots your computer after a certain 15789c67bea4SBenny Loenstrup Ammitzboell amount of time. 1579b7e04f8cSWim Van Sebroeck 1580b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1581b7e04f8cSWim Van Sebroeck module will be called w83627hf_wdt. 1582b7e04f8cSWim Van Sebroeck 1583b7e04f8cSWim Van Sebroeck Most people will say N. 1584b7e04f8cSWim Van Sebroeck 1585b7e04f8cSWim Van Sebroeckconfig W83877F_WDT 1586b7e04f8cSWim Van Sebroeck tristate "W83877F (EMACS) Watchdog Timer" 1587f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1588a7f7f624SMasahiro Yamada help 1589b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83877F chipset 1590b7e04f8cSWim Van Sebroeck as used in EMACS PC-104 motherboards (and likely others). This 1591b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1592b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1593b7e04f8cSWim Van Sebroeck time. 1594b7e04f8cSWim Van Sebroeck 1595b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1596b7e04f8cSWim Van Sebroeck module will be called w83877f_wdt. 1597b7e04f8cSWim Van Sebroeck 1598b7e04f8cSWim Van Sebroeck Most people will say N. 1599b7e04f8cSWim Van Sebroeck 1600b7e04f8cSWim Van Sebroeckconfig W83977F_WDT 1601b7e04f8cSWim Van Sebroeck tristate "W83977F (PCM-5335) Watchdog Timer" 1602f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1603a7f7f624SMasahiro Yamada help 1604b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83977F I/O chip 1605b7e04f8cSWim Van Sebroeck as used in AAEON's PCM-5335 SBC (and likely others). This 1606b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1607b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1608b7e04f8cSWim Van Sebroeck time. 1609b7e04f8cSWim Van Sebroeck 1610b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1611b7e04f8cSWim Van Sebroeck module will be called w83977f_wdt. 1612b7e04f8cSWim Van Sebroeck 1613b7e04f8cSWim Van Sebroeckconfig MACHZ_WDT 1614b7e04f8cSWim Van Sebroeck tristate "ZF MachZ Watchdog" 1615f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1616a7f7f624SMasahiro Yamada help 1617b7e04f8cSWim Van Sebroeck If you are using a ZF Micro MachZ processor, say Y here, otherwise 1618b7e04f8cSWim Van Sebroeck N. This is the driver for the watchdog timer built-in on that 1619b7e04f8cSWim Van Sebroeck processor using ZF-Logic interface. This watchdog simply watches 1620b7e04f8cSWim Van Sebroeck your kernel to make sure it doesn't freeze, and if it does, it 1621b7e04f8cSWim Van Sebroeck reboots your computer after a certain amount of time. 1622b7e04f8cSWim Van Sebroeck 1623b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1624b7e04f8cSWim Van Sebroeck module will be called machzwd. 1625b7e04f8cSWim Van Sebroeck 1626b7e04f8cSWim Van Sebroeckconfig SBC_EPX_C3_WATCHDOG 1627b7e04f8cSWim Van Sebroeck tristate "Winsystems SBC EPX-C3 watchdog" 1628f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1629a7f7f624SMasahiro Yamada help 1630b7e04f8cSWim Van Sebroeck This is the driver for the built-in watchdog timer on the EPX-C3 1631b7e04f8cSWim Van Sebroeck Single-board computer made by Winsystems, Inc. 1632b7e04f8cSWim Van Sebroeck 1633b7e04f8cSWim Van Sebroeck *Note*: This hardware watchdog is not probeable and thus there 1634b7e04f8cSWim Van Sebroeck is no way to know if writing to its IO address will corrupt 1635b7e04f8cSWim Van Sebroeck your system or have any real effect. The only way to be sure 1636b7e04f8cSWim Van Sebroeck that this driver does what you want is to make sure you 1637b7e04f8cSWim Van Sebroeck are running it on an EPX-C3 from Winsystems with the watchdog 1638b7e04f8cSWim Van Sebroeck timer at IO address 0x1ee and 0x1ef. It will write to both those 1639b7e04f8cSWim Van Sebroeck IO ports. Basically, the assumption is made that if you compile 1640b7e04f8cSWim Van Sebroeck this driver into your kernel and/or load it as a module, that you 1641b7e04f8cSWim Van Sebroeck know what you are doing and that you are in fact running on an 1642b7e04f8cSWim Van Sebroeck EPX-C3 board! 1643b7e04f8cSWim Van Sebroeck 1644b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1645b7e04f8cSWim Van Sebroeck module will be called sbc_epx_c3. 1646b7e04f8cSWim Van Sebroeck 1647222818c3STomas Winklerconfig INTEL_MEI_WDT 1648222818c3STomas Winkler tristate "Intel MEI iAMT Watchdog" 1649222818c3STomas Winkler depends on INTEL_MEI && X86 1650222818c3STomas Winkler select WATCHDOG_CORE 1651a7f7f624SMasahiro Yamada help 1652222818c3STomas Winkler A device driver for the Intel MEI iAMT watchdog. 1653222818c3STomas Winkler 1654222818c3STomas Winkler The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1655222818c3STomas Winkler Whenever the OS hangs or crashes, iAMT will send an event 1656222818c3STomas Winkler to any subscriber to this event. The watchdog doesn't reset the 1657222818c3STomas Winkler the platform. 1658222818c3STomas Winkler 1659222818c3STomas Winkler To compile this driver as a module, choose M here: 1660222818c3STomas Winkler the module will be called mei_wdt. 1661222818c3STomas Winkler 166270f39976SKyle Roeschleyconfig NI903X_WDT 166370f39976SKyle Roeschley tristate "NI 903x/913x Watchdog" 166470f39976SKyle Roeschley depends on X86 && ACPI 166570f39976SKyle Roeschley select WATCHDOG_CORE 1666a7f7f624SMasahiro Yamada help 166770f39976SKyle Roeschley This is the driver for the watchdog timer on the National Instruments 166870f39976SKyle Roeschley 903x/913x real-time controllers. 166970f39976SKyle Roeschley 167070f39976SKyle Roeschley To compile this driver as a module, choose M here: the module will be 167170f39976SKyle Roeschley called ni903x_wdt. 167270f39976SKyle Roeschley 167398078ca3SHui Chun Ongconfig NIC7018_WDT 167498078ca3SHui Chun Ong tristate "NIC7018 Watchdog" 167598078ca3SHui Chun Ong depends on X86 && ACPI 167698078ca3SHui Chun Ong select WATCHDOG_CORE 1677a7f7f624SMasahiro Yamada help 167898078ca3SHui Chun Ong Support for National Instruments NIC7018 Watchdog. 167998078ca3SHui Chun Ong 168098078ca3SHui Chun Ong To compile this driver as a module, choose M here: the module will be 168198078ca3SHui Chun Ong called nic7018_wdt. 168298078ca3SHui Chun Ong 16832ebd32ceSHenning Schildconfig SIEMENS_SIMATIC_IPC_WDT 16842ebd32ceSHenning Schild tristate "Siemens Simatic IPC Watchdog" 1685f0ced885SArnd Bergmann depends on SIEMENS_SIMATIC_IPC && PCI 16863fce0640SHenning Schild default y 16872ebd32ceSHenning Schild select WATCHDOG_CORE 1688*39ab0bafSAndy Shevchenko select P2SB if X86 16892ebd32ceSHenning Schild help 16902ebd32ceSHenning Schild This driver adds support for several watchdogs found in Industrial 16912ebd32ceSHenning Schild PCs from Siemens. 16922ebd32ceSHenning Schild 16932ebd32ceSHenning Schild To compile this driver as a module, choose M here: the module will be 16942ebd32ceSHenning Schild called simatic-ipc-wdt. 16952ebd32ceSHenning Schild 1696b7e04f8cSWim Van Sebroeck# M68K Architecture 1697b7e04f8cSWim Van Sebroeck 16984157a04dSPhilippe De Muyterconfig M54xx_WATCHDOG 16994157a04dSPhilippe De Muyter tristate "MCF54xx watchdog support" 170088cce427SPhilippe De Muyter depends on M548x 170188cce427SPhilippe De Muyter help 170288cce427SPhilippe De Muyter To compile this driver as a module, choose M here: the 17034157a04dSPhilippe De Muyter module will be called m54xx_wdt. 1704b7e04f8cSWim Van Sebroeck 1705e9659e69SAlejandro Cabrera# MicroBlaze Architecture 1706e9659e69SAlejandro Cabrera 1707b7e04f8cSWim Van Sebroeck# MIPS Architecture 1708b7e04f8cSWim Van Sebroeck 1709f8394f61SGabor Juhosconfig ATH79_WDT 1710f8394f61SGabor Juhos tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1711da2a68b3SGuenter Roeck depends on ATH79 || (ARM && COMPILE_TEST) 1712f8394f61SGabor Juhos help 1713f8394f61SGabor Juhos Hardware driver for the built-in watchdog timer on the Atheros 1714f8394f61SGabor Juhos AR71XX/AR724X/AR913X SoCs. 1715f8394f61SGabor Juhos 171690074dceSmatthieu castetconfig BCM47XX_WDT 171790074dceSmatthieu castet tristate "Broadcom BCM47xx Watchdog Timer" 1718da2a68b3SGuenter Roeck depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 17195434a04dSHauke Mehrtens select WATCHDOG_CORE 172090074dceSmatthieu castet help 17216b2aac42SMasanari Iida Hardware driver for the Broadcom BCM47xx Watchdog Timer. 172290074dceSmatthieu castet 172303ec5856SFlorian Fainelliconfig RC32434_WDT 172403ec5856SFlorian Fainelli tristate "IDT RC32434 SoC Watchdog Timer" 172503ec5856SFlorian Fainelli depends on MIKROTIK_RB532 172603ec5856SFlorian Fainelli help 172703ec5856SFlorian Fainelli Hardware driver for the IDT RC32434 SoC built-in 172803ec5856SFlorian Fainelli watchdog timer. 172903ec5856SFlorian Fainelli 173003ec5856SFlorian Fainelli To compile this driver as a module, choose M here: the 173103ec5856SFlorian Fainelli module will be called rc32434_wdt. 173203ec5856SFlorian Fainelli 1733b7e04f8cSWim Van Sebroeckconfig INDYDOG 1734b7e04f8cSWim Van Sebroeck tristate "Indy/I2 Hardware Watchdog" 173524f8d233SMatt Redfearn depends on SGI_HAS_INDYDOG 1736b7e04f8cSWim Van Sebroeck help 1737b7e04f8cSWim Van Sebroeck Hardware driver for the Indy's/I2's watchdog. This is a 1738b7e04f8cSWim Van Sebroeck watchdog timer that will reboot the machine after a 60 second 1739b7e04f8cSWim Van Sebroeck timer expired and no process has written to /dev/watchdog during 1740b7e04f8cSWim Van Sebroeck that time. 1741b7e04f8cSWim Van Sebroeck 1742f865c352SPaul Cercueilconfig JZ4740_WDT 1743f865c352SPaul Cercueil tristate "Ingenic jz4740 SoC hardware watchdog" 1744f1a43aadSRob Herring depends on MIPS || COMPILE_TEST 17451d9c3074SPaul Cercueil depends on COMMON_CLK 174685f6df14SAxel Lin select WATCHDOG_CORE 17476d532143SPaul Cercueil select MFD_SYSCON 1748f865c352SPaul Cercueil help 1749f865c352SPaul Cercueil Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1750f865c352SPaul Cercueil 1751b7e04f8cSWim Van Sebroeckconfig WDT_MTX1 1752b7e04f8cSWim Van Sebroeck tristate "MTX-1 Hardware Watchdog" 1753da2a68b3SGuenter Roeck depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1754b7e04f8cSWim Van Sebroeck help 1755b7e04f8cSWim Van Sebroeck Hardware driver for the MTX-1 boards. This is a watchdog timer that 1756b7e04f8cSWim Van Sebroeck will reboot the machine after a 100 seconds timer expired. 1757b7e04f8cSWim Van Sebroeck 175875c752e6SAndrew Sharpconfig SIBYTE_WDOG 175975c752e6SAndrew Sharp tristate "Sibyte SoC hardware watchdog" 1760c388a189SJackie Liu depends on CPU_SB1 176175c752e6SAndrew Sharp help 176275c752e6SAndrew Sharp Watchdog driver for the built in watchdog hardware in Sibyte 176375c752e6SAndrew Sharp SoC processors. There are apparently two watchdog timers 176475c752e6SAndrew Sharp on such processors; this driver supports only the first one, 176575c752e6SAndrew Sharp because currently Linux only supports exporting one watchdog 176675c752e6SAndrew Sharp to userspace. 176775c752e6SAndrew Sharp 176875c752e6SAndrew Sharp To compile this driver as a loadable module, choose M here. 176975c752e6SAndrew Sharp The module will be called sb_wdog. 177075c752e6SAndrew Sharp 1771c283cf2cSMatteo Croceconfig AR7_WDT 1772c283cf2cSMatteo Croce tristate "TI AR7 Watchdog Timer" 177328b7ee33SJackie Liu depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) 1774c283cf2cSMatteo Croce help 1775c283cf2cSMatteo Croce Hardware driver for the TI AR7 Watchdog Timer. 1776c283cf2cSMatteo Croce 17776f702fceSAtsushi Nemotoconfig TXX9_WDT 17786f702fceSAtsushi Nemoto tristate "Toshiba TXx9 Watchdog Timer" 1779455481fcSThomas Bogendoerfer depends on CPU_TX49XX || (MIPS && COMPILE_TEST) 1780d6245842SAxel Lin select WATCHDOG_CORE 17816f702fceSAtsushi Nemoto help 17826f702fceSAtsushi Nemoto Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 17836f702fceSAtsushi Nemoto 17844c076fb4SDavid Daneyconfig OCTEON_WDT 17854c076fb4SDavid Daney tristate "Cavium OCTEON SOC family Watchdog Timer" 17869ddebc46SDavid Daney depends on CAVIUM_OCTEON_SOC 17874c076fb4SDavid Daney default y 17883d588c93SAaro Koskinen select WATCHDOG_CORE 17894c076fb4SDavid Daney select EXPORT_UASM if OCTEON_WDT = m 17904c076fb4SDavid Daney help 17914c076fb4SDavid Daney Hardware driver for OCTEON's on chip watchdog timer. 17924c076fb4SDavid Daney Enables the watchdog for all cores running Linux. It 17934c076fb4SDavid Daney installs a NMI handler and pokes the watchdog based on an 17944c076fb4SDavid Daney interrupt. On first expiration of the watchdog, the 17954c076fb4SDavid Daney interrupt handler pokes it. The second expiration causes an 17964c076fb4SDavid Daney NMI that prints a message. The third expiration causes a 17974c076fb4SDavid Daney global soft reset. 17984c076fb4SDavid Daney 17994c076fb4SDavid Daney When userspace has /dev/watchdog open, no poking is done 18004c076fb4SDavid Daney from the first interrupt, it is then only poked when the 18014c076fb4SDavid Daney device is written. 18024c076fb4SDavid Daney 1803ef9e7fe2SBharat Bhushanconfig MARVELL_GTI_WDT 1804ef9e7fe2SBharat Bhushan tristate "Marvell GTI Watchdog driver" 1805ef9e7fe2SBharat Bhushan depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT) 1806ef9e7fe2SBharat Bhushan default y 1807ef9e7fe2SBharat Bhushan select WATCHDOG_CORE 1808ef9e7fe2SBharat Bhushan help 1809ef9e7fe2SBharat Bhushan Marvell GTI hardware supports watchdog timer. First timeout 1810ef9e7fe2SBharat Bhushan works as watchdog pretimeout and installed interrupt handler 1811ef9e7fe2SBharat Bhushan will be called on first timeout. Hardware can generate interrupt 1812ef9e7fe2SBharat Bhushan to SCP on second timeout but it is not enabled, so second 1813ef9e7fe2SBharat Bhushan timeout is ignored. If device poke does not happen then system 1814ef9e7fe2SBharat Bhushan will reboot on third timeout. 1815ef9e7fe2SBharat Bhushan 1816938d0a84SLubomir Rintelconfig BCM2835_WDT 1817938d0a84SLubomir Rintel tristate "Broadcom BCM2835 hardware watchdog" 18182672b7e0SArnd Bergmann depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1819938d0a84SLubomir Rintel select WATCHDOG_CORE 1820938d0a84SLubomir Rintel help 1821938d0a84SLubomir Rintel Watchdog driver for the built in watchdog hardware in Broadcom 1822938d0a84SLubomir Rintel BCM2835 SoC. 1823938d0a84SLubomir Rintel 1824938d0a84SLubomir Rintel To compile this driver as a loadable module, choose M here. 1825938d0a84SLubomir Rintel The module will be called bcm2835_wdt. 1826938d0a84SLubomir Rintel 18276adb730dSMarkus Mayerconfig BCM_KONA_WDT 18286adb730dSMarkus Mayer tristate "BCM Kona Watchdog" 1829da2a68b3SGuenter Roeck depends on ARCH_BCM_MOBILE || COMPILE_TEST 18306adb730dSMarkus Mayer select WATCHDOG_CORE 18316adb730dSMarkus Mayer help 18326adb730dSMarkus Mayer Support for the watchdog timer on the following Broadcom BCM281xx 18336adb730dSMarkus Mayer family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 18346adb730dSMarkus Mayer BCM28155 variants. 18356adb730dSMarkus Mayer 18366adb730dSMarkus Mayer Say 'Y' or 'M' here to enable the driver. The module will be called 18376adb730dSMarkus Mayer bcm_kona_wdt. 18386adb730dSMarkus Mayer 18396e2ac20eSMarkus Mayerconfig BCM_KONA_WDT_DEBUG 18406e2ac20eSMarkus Mayer bool "DEBUGFS support for BCM Kona Watchdog" 1841f1a43aadSRob Herring depends on BCM_KONA_WDT || COMPILE_TEST 18426e2ac20eSMarkus Mayer help 18436e2ac20eSMarkus Mayer If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 18446e2ac20eSMarkus Mayer access to the driver's internal data structures as well as watchdog 18456e2ac20eSMarkus Mayer timer hardware registres. 18466e2ac20eSMarkus Mayer 18476e2ac20eSMarkus Mayer If in doubt, say 'N'. 18486e2ac20eSMarkus Mayer 18497a3629feSJustin Chenconfig BCM7038_WDT 1850bc0bf9e9SFlorian Fainelli tristate "BCM63xx/BCM7038 Watchdog" 18517a3629feSJustin Chen select WATCHDOG_CORE 1852d42d6108SRichard Weinberger depends on HAS_IOMEM 18537bb49d77SWilliam Zhang depends on ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 18547a3629feSJustin Chen help 1855972ec351SJean Delvare Watchdog driver for the built-in hardware in Broadcom 7038 and 1856972ec351SJean Delvare later SoCs used in set-top boxes. BCM7038 was made public 1857972ec351SJean Delvare during the 2004 CES, and since then, many Broadcom chips use this 1858bc0bf9e9SFlorian Fainelli watchdog block, including some cable modem chips and DSL (63xx) 1859bc0bf9e9SFlorian Fainelli chips. 18607a3629feSJustin Chen 186193937669SNaidu Tellapaticonfig IMGPDC_WDT 186293937669SNaidu Tellapati tristate "Imagination Technologies PDC Watchdog Timer" 186393937669SNaidu Tellapati depends on HAS_IOMEM 1864b9b29090SJames Hogan depends on MIPS || COMPILE_TEST 1865df1a3e64SArnd Bergmann select WATCHDOG_CORE 186693937669SNaidu Tellapati help 186793937669SNaidu Tellapati Driver for Imagination Technologies PowerDown Controller 186893937669SNaidu Tellapati Watchdog Timer. 186993937669SNaidu Tellapati 187093937669SNaidu Tellapati To compile this driver as a loadable module, choose M here. 187193937669SNaidu Tellapati The module will be called imgpdc_wdt. 187293937669SNaidu Tellapati 18732f58b8d0SJohn Crispinconfig LANTIQ_WDT 18742f58b8d0SJohn Crispin tristate "Lantiq SoC watchdog" 18752f58b8d0SJohn Crispin depends on LANTIQ 1876dcd7e04eSHauke Mehrtens select WATCHDOG_CORE 18772f58b8d0SJohn Crispin help 18782f58b8d0SJohn Crispin Hardware driver for the Lantiq SoC Watchdog Timer. 18792f58b8d0SJohn Crispin 18801d8565eeSYang Lingconfig LOONGSON1_WDT 18811d8565eeSYang Ling tristate "Loongson1 SoC hardware watchdog" 1882f1a43aadSRob Herring depends on MACH_LOONGSON32 || COMPILE_TEST 18831d8565eeSYang Ling select WATCHDOG_CORE 18841d8565eeSYang Ling help 18851d8565eeSYang Ling Hardware driver for the Loongson1 SoC Watchdog Timer. 18861d8565eeSYang Ling 1887473cf939SJohn Crispinconfig RALINK_WDT 1888473cf939SJohn Crispin tristate "Ralink SoC watchdog" 1889473cf939SJohn Crispin select WATCHDOG_CORE 1890473cf939SJohn Crispin depends on RALINK 1891473cf939SJohn Crispin help 1892473cf939SJohn Crispin Hardware driver for the Ralink SoC Watchdog Timer. 1893473cf939SJohn Crispin 18946b47441bSNick Hawkinsconfig GXP_WATCHDOG 18956b47441bSNick Hawkins tristate "HPE GXP watchdog support" 1896f1a43aadSRob Herring depends on ARCH_HPE_GXP || COMPILE_TEST 18976b47441bSNick Hawkins select WATCHDOG_CORE 18986b47441bSNick Hawkins help 18996b47441bSNick Hawkins Say Y here to include support for the watchdog timer 19006b47441bSNick Hawkins in HPE GXP SoCs. 19016b47441bSNick Hawkins 19026b47441bSNick Hawkins To compile this driver as a module, choose M here. 19036b47441bSNick Hawkins The module will be called gxp-wdt. 19046b47441bSNick Hawkins 1905ab3f09feSJohn Crispinconfig MT7621_WDT 1906ab3f09feSJohn Crispin tristate "Mediatek SoC watchdog" 1907ab3f09feSJohn Crispin select WATCHDOG_CORE 1908ff8ec4acSSergio Paracuellos select REGMAP_MMIO 1909ff8ec4acSSergio Paracuellos select MFD_SYSCON 1910ff8ec4acSSergio Paracuellos depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST 1911ab3f09feSJohn Crispin help 1912ab3f09feSJohn Crispin Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1913ab3f09feSJohn Crispin 19148f91fc56SJoshua Hendersonconfig PIC32_WDT 19158f91fc56SJoshua Henderson tristate "Microchip PIC32 hardware watchdog" 19168f91fc56SJoshua Henderson select WATCHDOG_CORE 1917da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 19188f91fc56SJoshua Henderson help 19198f91fc56SJoshua Henderson Watchdog driver for the built in watchdog hardware in a PIC32. 19208f91fc56SJoshua Henderson 19218f91fc56SJoshua Henderson Configuration bits must be set appropriately for the watchdog to be 19228f91fc56SJoshua Henderson controlled by this driver. 19238f91fc56SJoshua Henderson 19248f91fc56SJoshua Henderson To compile this driver as a loadable module, choose M here. 19258f91fc56SJoshua Henderson The module will be called pic32-wdt. 19268f91fc56SJoshua Henderson 1927b0d8a082SPurna Chandra Mandalconfig PIC32_DMT 1928b0d8a082SPurna Chandra Mandal tristate "Microchip PIC32 Deadman Timer" 1929b0d8a082SPurna Chandra Mandal select WATCHDOG_CORE 1930da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1931b0d8a082SPurna Chandra Mandal help 193201028829SRandy Dunlap Watchdog driver for PIC32 instruction fetch counting timer. This 193301028829SRandy Dunlap specific timer is typically be used in mission critical and safety 193401028829SRandy Dunlap critical applications, where any single failure of the software 193501028829SRandy Dunlap functionality and sequencing must be detected. 1936b0d8a082SPurna Chandra Mandal 1937b0d8a082SPurna Chandra Mandal To compile this driver as a loadable module, choose M here. 1938b0d8a082SPurna Chandra Mandal The module will be called pic32-dmt. 1939b0d8a082SPurna Chandra Mandal 1940b7e04f8cSWim Van Sebroeck# PARISC Architecture 1941b7e04f8cSWim Van Sebroeck 1942b7e04f8cSWim Van Sebroeck# POWERPC Architecture 1943b7e04f8cSWim Van Sebroeck 19443268b561SMartyn Welchconfig GEF_WDT 1945cda61c94SMartyn Welch tristate "GE Watchdog Timer" 1946330bbf48SMartyn Welch depends on GE_FPGA 1947a7f7f624SMasahiro Yamada help 1948cda61c94SMartyn Welch Watchdog timer found in a number of GE single board computers. 19493268b561SMartyn Welch 1950b7e04f8cSWim Van Sebroeckconfig MPC5200_WDT 19516d535599SAlbrecht Dreß bool "MPC52xx Watchdog Timer" 1952da2a68b3SGuenter Roeck depends on PPC_MPC52xx || COMPILE_TEST 19536d535599SAlbrecht Dreß help 19546d535599SAlbrecht Dreß Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1955b7e04f8cSWim Van Sebroeck 195628acd02fSAnton Vorontsovconfig 8xxx_WDT 195728acd02fSAnton Vorontsov tristate "MPC8xxx Platform Watchdog Timer" 1958f8c33e97SUwe Kleine-König depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1959d5cfaf0aSChristophe Leroy select WATCHDOG_CORE 196028acd02fSAnton Vorontsov help 196128acd02fSAnton Vorontsov This driver is for a SoC level watchdog that exists on some 196228acd02fSAnton Vorontsov Freescale PowerPC processors. So far this driver supports: 19630d7b1014SAnton Vorontsov - MPC8xx watchdogs 196428acd02fSAnton Vorontsov - MPC83xx watchdogs 196528acd02fSAnton Vorontsov - MPC86xx watchdogs 196628acd02fSAnton Vorontsov 196728acd02fSAnton Vorontsov For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1968b7e04f8cSWim Van Sebroeck 1969618efba9SSean MacLennanconfig PIKA_WDT 1970618efba9SSean MacLennan tristate "PIKA FPGA Watchdog" 1971da2a68b3SGuenter Roeck depends on WARP || (PPC64 && COMPILE_TEST) 1972618efba9SSean MacLennan default y 1973618efba9SSean MacLennan help 1974618efba9SSean MacLennan This enables the watchdog in the PIKA FPGA. Currently used on 1975618efba9SSean MacLennan the Warp platform. 1976618efba9SSean MacLennan 1977b7e04f8cSWim Van Sebroeckconfig BOOKE_WDT 1978fbdd7144STimur Tabi tristate "PowerPC Book-E Watchdog Timer" 1979b7e04f8cSWim Van Sebroeck depends on BOOKE || 4xx 198052e5cc4eSGuenter Roeck select WATCHDOG_CORE 1981a7f7f624SMasahiro Yamada help 1982fbdd7144STimur Tabi Watchdog driver for PowerPC Book-E chips, such as the Freescale 1983fbdd7144STimur Tabi MPC85xx SOCs and the IBM PowerPC 440. 1984fbdd7144STimur Tabi 198574665686SMauro Carvalho Chehab Please see Documentation/watchdog/watchdog-api.rst for 1986b7e04f8cSWim Van Sebroeck more information. 1987b7e04f8cSWim Van Sebroeck 1988e0dc09ffSTimur Tabiconfig BOOKE_WDT_DEFAULT_TIMEOUT 1989e0dc09ffSTimur Tabi int "PowerPC Book-E Watchdog Timer Default Timeout" 1990e0dc09ffSTimur Tabi depends on BOOKE_WDT 1991ec65560aSChristophe Leroy default 38 if PPC_E500 1992ec65560aSChristophe Leroy range 0 63 if PPC_E500 1993ec65560aSChristophe Leroy default 3 if !PPC_E500 1994ec65560aSChristophe Leroy range 0 3 if !PPC_E500 1995e0dc09ffSTimur Tabi help 1996e0dc09ffSTimur Tabi Select the default watchdog timer period to be used by the PowerPC 1997e0dc09ffSTimur Tabi Book-E watchdog driver. A watchdog "event" occurs when the bit 1998e0dc09ffSTimur Tabi position represented by this number transitions from zero to one. 1999e0dc09ffSTimur Tabi 2000e0dc09ffSTimur Tabi For Freescale Book-E processors, this is a number between 0 and 63. 2001e0dc09ffSTimur Tabi For other Book-E processors, this is a number between 0 and 3. 2002e0dc09ffSTimur Tabi 2003e1d1d68aSMasanari Iida The value can be overridden by the wdt_period command-line parameter. 2004e0dc09ffSTimur Tabi 200526c57ef1SJohannes Thumshirnconfig MEN_A21_WDT 200626c57ef1SJohannes Thumshirn tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 200726c57ef1SJohannes Thumshirn select WATCHDOG_CORE 200821a926a3SGeert Uytterhoeven depends on GPIOLIB || COMPILE_TEST 200926c57ef1SJohannes Thumshirn help 201026c57ef1SJohannes Thumshirn Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 201126c57ef1SJohannes Thumshirn 201226c57ef1SJohannes Thumshirn The driver can also be built as a module. If so, the module will be 201326c57ef1SJohannes Thumshirn called mena21_wdt. 201426c57ef1SJohannes Thumshirn 201526c57ef1SJohannes Thumshirn If unsure select N here. 201626c57ef1SJohannes Thumshirn 2017b7e04f8cSWim Van Sebroeck# PPC64 Architecture 2018b7e04f8cSWim Van Sebroeck 201969472ffaSScott Chelohaconfig PSERIES_WDT 202069472ffaSScott Cheloha tristate "POWER Architecture Platform Watchdog Timer" 202169472ffaSScott Cheloha depends on PPC_PSERIES 202269472ffaSScott Cheloha select WATCHDOG_CORE 202369472ffaSScott Cheloha help 202469472ffaSScott Cheloha Driver for virtual watchdog timers provided by PAPR 202569472ffaSScott Cheloha hypervisors (e.g. PowerVM, KVM). 202669472ffaSScott Cheloha 2027b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RTAS 2028b7e04f8cSWim Van Sebroeck tristate "RTAS watchdog" 202942bed042SMurilo Opsfelder Araujo depends on PPC_RTAS 2030b7e04f8cSWim Van Sebroeck help 2031b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the RTAS watchdog. 2032b7e04f8cSWim Van Sebroeck 2033b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2034b7e04f8cSWim Van Sebroeck will be called wdrtas. 2035b7e04f8cSWim Van Sebroeck 2036db728ea9SXingyu Wu# RISC-V Architecture 2037db728ea9SXingyu Wu 2038db728ea9SXingyu Wuconfig STARFIVE_WATCHDOG 2039db728ea9SXingyu Wu tristate "StarFive Watchdog support" 2040db728ea9SXingyu Wu depends on ARCH_STARFIVE || COMPILE_TEST 2041db728ea9SXingyu Wu select WATCHDOG_CORE 2042db728ea9SXingyu Wu default ARCH_STARFIVE 2043db728ea9SXingyu Wu help 2044db728ea9SXingyu Wu Say Y here to support the watchdog of StarFive JH7100 and JH7110 2045db728ea9SXingyu Wu SoC. This driver can also be built as a module if choose M. 2046db728ea9SXingyu Wu 2047b7e04f8cSWim Van Sebroeck# S390 Architecture 2048b7e04f8cSWim Van Sebroeck 2049f7a94db4SPhilipp Hachtmannconfig DIAG288_WATCHDOG 2050f7a94db4SPhilipp Hachtmann tristate "System z diag288 Watchdog" 2051b7e04f8cSWim Van Sebroeck depends on S390 2052f7a94db4SPhilipp Hachtmann select WATCHDOG_CORE 2053b7e04f8cSWim Van Sebroeck help 2054b7e04f8cSWim Van Sebroeck IBM s/390 and zSeries machines running under z/VM 5.1 or later 2055b7e04f8cSWim Van Sebroeck provide a virtual watchdog timer to their guest that cause a 2056b7e04f8cSWim Van Sebroeck user define Control Program command to be executed after a 2057b7e04f8cSWim Van Sebroeck timeout. 2058646f919eSPhilipp Hachtmann LPAR provides a very similar interface. This driver handles 2059646f919eSPhilipp Hachtmann both. 2060b7e04f8cSWim Van Sebroeck 2061b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2062a8fa3943SPhilipp Hachtmann will be called diag288_wdt. 2063b7e04f8cSWim Van Sebroeck 2064b7e04f8cSWim Van Sebroeck# SUPERH (sh + sh64) Architecture 2065b7e04f8cSWim Van Sebroeck 2066b7e04f8cSWim Van Sebroeckconfig SH_WDT 2067b7e04f8cSWim Van Sebroeck tristate "SuperH Watchdog" 2068da2a68b3SGuenter Roeck depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 20691950f499SPaul Mundt select WATCHDOG_CORE 2070b7e04f8cSWim Van Sebroeck help 2071b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the integrated watchdog in the 2072b7e04f8cSWim Van Sebroeck SuperH processors. If you have one of these processors and wish 2073b7e04f8cSWim Van Sebroeck to have watchdog support enabled, say Y, otherwise say N. 2074b7e04f8cSWim Van Sebroeck 2075b7e04f8cSWim Van Sebroeck As a side note, saying Y here will automatically boost HZ to 1000 2076b7e04f8cSWim Van Sebroeck so that the timer has a chance to clear the overflow counter. On 2077b7e04f8cSWim Van Sebroeck slower systems (such as the SH-2 and SH-3) this will likely yield 2078b7e04f8cSWim Van Sebroeck some performance issues. As such, the WDT should be avoided here 2079b7e04f8cSWim Van Sebroeck unless it is absolutely necessary. 2080b7e04f8cSWim Van Sebroeck 2081b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2082b7e04f8cSWim Van Sebroeck module will be called shwdt. 2083b7e04f8cSWim Van Sebroeck 2084b7e04f8cSWim Van Sebroeck# SPARC Architecture 2085b7e04f8cSWim Van Sebroeck 2086b7e04f8cSWim Van Sebroeck# SPARC64 Architecture 2087b7e04f8cSWim Van Sebroeck 2088b7e04f8cSWim Van Sebroeckconfig WATCHDOG_CP1XXX 2089b7e04f8cSWim Van Sebroeck tristate "CP1XXX Hardware Watchdog support" 2090b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2091a7f7f624SMasahiro Yamada help 2092b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog timers present on 2093b7e04f8cSWim Van Sebroeck Sun Microsystems CompactPCI models CP1400 and CP1500. 2094b7e04f8cSWim Van Sebroeck 2095b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2096b7e04f8cSWim Van Sebroeck module will be called cpwatchdog. 2097b7e04f8cSWim Van Sebroeck 2098b7e04f8cSWim Van Sebroeck If you do not have a CompactPCI model CP1400 or CP1500, or 2099b7e04f8cSWim Van Sebroeck another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 2100b7e04f8cSWim Van Sebroeck you should say N to this option. 2101b7e04f8cSWim Van Sebroeck 2102b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RIO 2103b7e04f8cSWim Van Sebroeck tristate "RIO Hardware Watchdog support" 2104b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2105b7e04f8cSWim Van Sebroeck help 2106b7e04f8cSWim Van Sebroeck Say Y here to support the hardware watchdog capability on Sun RIO 2107b7e04f8cSWim Van Sebroeck machines. The watchdog timeout period is normally one minute but 2108b7e04f8cSWim Van Sebroeck can be changed with a boot-time parameter. 2109b7e04f8cSWim Van Sebroeck 2110ca0bb079Swim.coekaerts@oracle.comconfig WATCHDOG_SUN4V 2111ca0bb079Swim.coekaerts@oracle.com tristate "Sun4v Watchdog support" 2112ca0bb079Swim.coekaerts@oracle.com select WATCHDOG_CORE 2113ca0bb079Swim.coekaerts@oracle.com depends on SPARC64 2114ca0bb079Swim.coekaerts@oracle.com help 2115ca0bb079Swim.coekaerts@oracle.com Say Y here to support the hypervisor watchdog capability embedded 2116ca0bb079Swim.coekaerts@oracle.com in the SPARC sun4v architecture. 2117ca0bb079Swim.coekaerts@oracle.com 2118ca0bb079Swim.coekaerts@oracle.com To compile this driver as a module, choose M here. The module will 2119ca0bb079Swim.coekaerts@oracle.com be called sun4v_wdt. 2120ca0bb079Swim.coekaerts@oracle.com 2121b7e04f8cSWim Van Sebroeck# XTENSA Architecture 2122b7e04f8cSWim Van Sebroeck 2123066d6c7fSJan Beulich# Xen Architecture 2124066d6c7fSJan Beulich 2125066d6c7fSJan Beulichconfig XEN_WDT 2126066d6c7fSJan Beulich tristate "Xen Watchdog support" 2127066d6c7fSJan Beulich depends on XEN 21284cd67644SRadu Rendec select WATCHDOG_CORE 2129066d6c7fSJan Beulich help 2130066d6c7fSJan Beulich Say Y here to support the hypervisor watchdog capability provided 2131066d6c7fSJan Beulich by Xen 4.0 and newer. The watchdog timeout period is normally one 2132066d6c7fSJan Beulich minute but can be changed with a boot-time parameter. 2133066d6c7fSJan Beulich 2134d805a786SAl Viroconfig UML_WATCHDOG 2135d805a786SAl Viro tristate "UML watchdog" 2136da2a68b3SGuenter Roeck depends on UML || COMPILE_TEST 2137d805a786SAl Viro 2138b7e04f8cSWim Van Sebroeck# 2139b7e04f8cSWim Van Sebroeck# ISA-based Watchdog Cards 2140b7e04f8cSWim Van Sebroeck# 2141b7e04f8cSWim Van Sebroeck 2142b7e04f8cSWim Van Sebroeckcomment "ISA-based Watchdog Cards" 2143b7e04f8cSWim Van Sebroeck depends on ISA 2144b7e04f8cSWim Van Sebroeck 2145b7e04f8cSWim Van Sebroeckconfig PCWATCHDOG 2146b7e04f8cSWim Van Sebroeck tristate "Berkshire Products ISA-PC Watchdog" 2147b7e04f8cSWim Van Sebroeck depends on ISA 2148a7f7f624SMasahiro Yamada help 2149b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products ISA-PC Watchdog card. 2150b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2151b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2152b7e04f8cSWim Van Sebroeck time. This driver is like the WDT501 driver but for different 215301028829SRandy Dunlap hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 215401028829SRandy Dunlap The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2155b7e04f8cSWim Van Sebroeck 2156b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2157b7e04f8cSWim Van Sebroeck module will be called pcwd. 2158b7e04f8cSWim Van Sebroeck 2159b7e04f8cSWim Van Sebroeck Most people will say N. 2160b7e04f8cSWim Van Sebroeck 2161b7e04f8cSWim Van Sebroeckconfig MIXCOMWD 2162b7e04f8cSWim Van Sebroeck tristate "Mixcom Watchdog" 2163b7e04f8cSWim Van Sebroeck depends on ISA 2164a7f7f624SMasahiro Yamada help 2165b7e04f8cSWim Van Sebroeck This is a driver for the Mixcom hardware watchdog cards. This 2166b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 2167b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2168b7e04f8cSWim Van Sebroeck time. 2169b7e04f8cSWim Van Sebroeck 2170b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2171b7e04f8cSWim Van Sebroeck module will be called mixcomwd. 2172b7e04f8cSWim Van Sebroeck 2173b7e04f8cSWim Van Sebroeck Most people will say N. 2174b7e04f8cSWim Van Sebroeck 2175b7e04f8cSWim Van Sebroeckconfig WDT 2176b7e04f8cSWim Van Sebroeck tristate "WDT Watchdog timer" 2177b7e04f8cSWim Van Sebroeck depends on ISA 2178a7f7f624SMasahiro Yamada help 2179b7e04f8cSWim Van Sebroeck If you have a WDT500P or WDT501P watchdog board, say Y here, 2180b7e04f8cSWim Van Sebroeck otherwise N. It is not possible to probe for this board, which means 2181b7e04f8cSWim Van Sebroeck that you have to inform the kernel about the IO port and IRQ that 2182b7e04f8cSWim Van Sebroeck is needed (you can do this via the io and irq parameters) 2183b7e04f8cSWim Van Sebroeck 2184b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2185b7e04f8cSWim Van Sebroeck module will be called wdt. 2186b7e04f8cSWim Van Sebroeck 2187b7e04f8cSWim Van Sebroeck# 2188b7e04f8cSWim Van Sebroeck# PCI-based Watchdog Cards 2189b7e04f8cSWim Van Sebroeck# 2190b7e04f8cSWim Van Sebroeck 2191b7e04f8cSWim Van Sebroeckcomment "PCI-based Watchdog Cards" 2192b7e04f8cSWim Van Sebroeck depends on PCI 2193b7e04f8cSWim Van Sebroeck 2194b7e04f8cSWim Van Sebroeckconfig PCIPCWATCHDOG 2195b7e04f8cSWim Van Sebroeck tristate "Berkshire Products PCI-PC Watchdog" 2196b7e04f8cSWim Van Sebroeck depends on PCI 2197a7f7f624SMasahiro Yamada help 2198b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products PCI-PC Watchdog card. 2199b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2200b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2201b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2202b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2203b7e04f8cSWim Van Sebroeck 2204b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2205b7e04f8cSWim Van Sebroeck module will be called pcwd_pci. 2206b7e04f8cSWim Van Sebroeck 2207b7e04f8cSWim Van Sebroeck Most people will say N. 2208b7e04f8cSWim Van Sebroeck 2209b7e04f8cSWim Van Sebroeckconfig WDTPCI 2210b7e04f8cSWim Van Sebroeck tristate "PCI-WDT500/501 Watchdog timer" 2211b7e04f8cSWim Van Sebroeck depends on PCI 2212a7f7f624SMasahiro Yamada help 2213b7e04f8cSWim Van Sebroeck If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2214b7e04f8cSWim Van Sebroeck 22159b901ee0SWim Van Sebroeck If you have a PCI-WDT501 watchdog board then you can enable the 22169b901ee0SWim Van Sebroeck temperature sensor by setting the type parameter to 501. 2217b7e04f8cSWim Van Sebroeck 2218b7e04f8cSWim Van Sebroeck If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2219b7e04f8cSWim Van Sebroeck can do this via the tachometer parameter. Only do this if you have a 2220b7e04f8cSWim Van Sebroeck fan tachometer actually set up. 2221b7e04f8cSWim Van Sebroeck 22229b901ee0SWim Van Sebroeck To compile this driver as a module, choose M here: the 22239b901ee0SWim Van Sebroeck module will be called wdt_pci. 22249b901ee0SWim Van Sebroeck 2225b7e04f8cSWim Van Sebroeck# 2226b7e04f8cSWim Van Sebroeck# USB-based Watchdog Cards 2227b7e04f8cSWim Van Sebroeck# 2228b7e04f8cSWim Van Sebroeck 2229b7e04f8cSWim Van Sebroeckcomment "USB-based Watchdog Cards" 2230b7e04f8cSWim Van Sebroeck depends on USB 2231b7e04f8cSWim Van Sebroeck 2232b7e04f8cSWim Van Sebroeckconfig USBPCWATCHDOG 2233b7e04f8cSWim Van Sebroeck tristate "Berkshire Products USB-PC Watchdog" 2234b7e04f8cSWim Van Sebroeck depends on USB 2235a7f7f624SMasahiro Yamada help 2236b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products USB-PC Watchdog card. 2237b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2238b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2239b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2240b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2241b7e04f8cSWim Van Sebroeck 2242b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2243b7e04f8cSWim Van Sebroeck module will be called pcwd_usb. 2244b7e04f8cSWim Van Sebroeck 2245b7e04f8cSWim Van Sebroeck Most people will say N. 2246b7e04f8cSWim Van Sebroeck 2247fa0f8d51SVijayakannan Ayyathuraiconfig KEEMBAY_WATCHDOG 2248fa0f8d51SVijayakannan Ayyathurai tristate "Intel Keem Bay SoC non-secure watchdog" 2249fa0f8d51SVijayakannan Ayyathurai depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2250fa0f8d51SVijayakannan Ayyathurai select WATCHDOG_CORE 2251fa0f8d51SVijayakannan Ayyathurai help 2252fa0f8d51SVijayakannan Ayyathurai This option enable support for an In-secure watchdog timer driver for 2253fa0f8d51SVijayakannan Ayyathurai Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2254fa0f8d51SVijayakannan Ayyathurai count unit. An interrupt will be triggered, when the count crosses 2255c891ef7dSWong Vee Khee the threshold configured in the register. 2256fa0f8d51SVijayakannan Ayyathurai 2257fa0f8d51SVijayakannan Ayyathurai To compile this driver as a module, choose M here: the 2258fa0f8d51SVijayakannan Ayyathurai module will be called keembay_wdt. 2259fa0f8d51SVijayakannan Ayyathurai 2260b7e04f8cSWim Van Sebroeckendif # WATCHDOG 2261