1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 25e53c8edSJean-Baptiste Theou 3b7e04f8cSWim Van Sebroeck# 4b7e04f8cSWim Van Sebroeck# Watchdog device configuration 5b7e04f8cSWim Van Sebroeck# 6b7e04f8cSWim Van Sebroeck 7b7e04f8cSWim Van Sebroeckmenuconfig WATCHDOG 8b7e04f8cSWim Van Sebroeck bool "Watchdog Timer Support" 9a7f7f624SMasahiro Yamada help 10b7e04f8cSWim Van Sebroeck If you say Y here (and to one of the following options) and create a 11b7e04f8cSWim Van Sebroeck character special file /dev/watchdog with major number 10 and minor 12b7e04f8cSWim Van Sebroeck number 130 using mknod ("man mknod"), you will get a watchdog, i.e.: 13b7e04f8cSWim Van Sebroeck subsequently opening the file and then failing to write to it for 14b7e04f8cSWim Van Sebroeck longer than 1 minute will result in rebooting the machine. This 15b7e04f8cSWim Van Sebroeck could be useful for a networked machine that needs to come back 16b7e04f8cSWim Van Sebroeck on-line as fast as possible after a lock-up. There's both a watchdog 17b7e04f8cSWim Van Sebroeck implementation entirely in software (which can sometimes fail to 18b7e04f8cSWim Van Sebroeck reboot the machine) and a driver for hardware watchdog boards, which 19b7e04f8cSWim Van Sebroeck are more robust and can also keep track of the temperature inside 20e403149cSDirk Hohndel your computer. For details, read 2174665686SMauro Carvalho Chehab <file:Documentation/watchdog/watchdog-api.rst> in the kernel source. 22b7e04f8cSWim Van Sebroeck 23b7e04f8cSWim Van Sebroeck The watchdog is usually used together with the watchdog daemon 24b7e04f8cSWim Van Sebroeck which is available from 2501028829SRandy Dunlap <https://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon 2601028829SRandy Dunlap can also monitor NFS connections and can reboot the machine when the 2701028829SRandy Dunlap process table is full. 28b7e04f8cSWim Van Sebroeck 29b7e04f8cSWim Van Sebroeck If unsure, say N. 30b7e04f8cSWim Van Sebroeck 31b7e04f8cSWim Van Sebroeckif WATCHDOG 32b7e04f8cSWim Van Sebroeck 3343316044SWim Van Sebroeckconfig WATCHDOG_CORE 340d3e1563SGuenter Roeck tristate "WatchDog Timer Driver Core" 35a7f7f624SMasahiro Yamada help 3643316044SWim Van Sebroeck Say Y here if you want to use the new watchdog timer driver core. 3743316044SWim Van Sebroeck This driver provides a framework for all watchdog timer drivers 3843316044SWim Van Sebroeck and gives them the /dev/watchdog interface (and later also the 3943316044SWim Van Sebroeck sysfs interface). 4043316044SWim Van Sebroeck 41b7e04f8cSWim Van Sebroeckconfig WATCHDOG_NOWAYOUT 42b7e04f8cSWim Van Sebroeck bool "Disable watchdog shutdown on close" 43b7e04f8cSWim Van Sebroeck help 44b7e04f8cSWim Van Sebroeck The default watchdog behaviour (which you get if you say N here) is 45b7e04f8cSWim Van Sebroeck to stop the timer if the process managing it closes the file 46b7e04f8cSWim Van Sebroeck /dev/watchdog. It's always remotely possible that this process might 47b7e04f8cSWim Van Sebroeck get killed. If you say Y here, the watchdog cannot be stopped once 48b7e04f8cSWim Van Sebroeck it has been started. 49b7e04f8cSWim Van Sebroeck 502501b015SSebastian Reichelconfig WATCHDOG_HANDLE_BOOT_ENABLED 512501b015SSebastian Reichel bool "Update boot-enabled watchdog until userspace takes over" 522501b015SSebastian Reichel default y 532501b015SSebastian Reichel help 542501b015SSebastian Reichel The default watchdog behaviour (which you get if you say Y here) is 552501b015SSebastian Reichel to ping watchdog devices that were enabled before the driver has 562501b015SSebastian Reichel been loaded until control is taken over from userspace using the 572501b015SSebastian Reichel /dev/watchdog file. If you say N here, the kernel will not update 582501b015SSebastian Reichel the watchdog on its own. Thus if your userspace does not start fast 592501b015SSebastian Reichel enough your device will reboot. 602501b015SSebastian Reichel 61487e4e08SRasmus Villemoesconfig WATCHDOG_OPEN_TIMEOUT 62487e4e08SRasmus Villemoes int "Timeout value for opening watchdog device" 63487e4e08SRasmus Villemoes default 0 64487e4e08SRasmus Villemoes help 65487e4e08SRasmus Villemoes The maximum time, in seconds, for which the watchdog framework takes 66487e4e08SRasmus Villemoes care of pinging a hardware watchdog. A value of 0 means infinite. The 67487e4e08SRasmus Villemoes value set here can be overridden by the commandline parameter 68487e4e08SRasmus Villemoes "watchdog.open_timeout". 69487e4e08SRasmus Villemoes 7033b71126SPratyush Anandconfig WATCHDOG_SYSFS 7133b71126SPratyush Anand bool "Read different watchdog information through sysfs" 7233b71126SPratyush Anand help 7333b71126SPratyush Anand Say Y here if you want to enable watchdog device status read through 7433b71126SPratyush Anand sysfs attributes. 7533b71126SPratyush Anand 767b7d2fdcSCurtis Kleinconfig WATCHDOG_HRTIMER_PRETIMEOUT 777b7d2fdcSCurtis Klein bool "Enable watchdog hrtimer-based pretimeouts" 787b7d2fdcSCurtis Klein help 797b7d2fdcSCurtis Klein Enable this if you want to use a hrtimer timer based pretimeout for 807b7d2fdcSCurtis Klein watchdogs that do not natively support pretimeout support. Be aware 817b7d2fdcSCurtis Klein that because this pretimeout functionality uses hrtimers, it may not 827b7d2fdcSCurtis Klein be able to fire before the actual watchdog fires in some situations. 837b7d2fdcSCurtis Klein 84471ce88bSGuenter Roeckcomment "Watchdog Pretimeout Governors" 85471ce88bSGuenter Roeck 86471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV 87471ce88bSGuenter Roeck bool "Enable watchdog pretimeout governors" 88471ce88bSGuenter Roeck depends on WATCHDOG_CORE 89471ce88bSGuenter Roeck help 90471ce88bSGuenter Roeck The option allows to select watchdog pretimeout governors. 91471ce88bSGuenter Roeck 92a9f0bda5SGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_SEL 93a9f0bda5SGuenter Roeck tristate 94a9f0bda5SGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV 95a9f0bda5SGuenter Roeck default m 96a9f0bda5SGuenter Roeck select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n 97a9f0bda5SGuenter Roeck 98471ce88bSGuenter Roeckif WATCHDOG_PRETIMEOUT_GOV 99471ce88bSGuenter Roeck 100471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_NOOP 101471ce88bSGuenter Roeck tristate "Noop watchdog pretimeout governor" 1020d3e1563SGuenter Roeck depends on WATCHDOG_CORE 103471ce88bSGuenter Roeck default WATCHDOG_CORE 104471ce88bSGuenter Roeck help 105471ce88bSGuenter Roeck Noop watchdog pretimeout governor, only an informational 106471ce88bSGuenter Roeck message is added to kernel log buffer. 107471ce88bSGuenter Roeck 108471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_PANIC 109471ce88bSGuenter Roeck tristate "Panic watchdog pretimeout governor" 1100d3e1563SGuenter Roeck depends on WATCHDOG_CORE 111471ce88bSGuenter Roeck default WATCHDOG_CORE 112471ce88bSGuenter Roeck help 113471ce88bSGuenter Roeck Panic watchdog pretimeout governor, on watchdog pretimeout 114471ce88bSGuenter Roeck event put the kernel into panic. 115471ce88bSGuenter Roeck 116471ce88bSGuenter Roeckchoice 117471ce88bSGuenter Roeck prompt "Default Watchdog Pretimeout Governor" 118471ce88bSGuenter Roeck default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 119471ce88bSGuenter Roeck help 120471ce88bSGuenter Roeck This option selects a default watchdog pretimeout governor. 121471ce88bSGuenter Roeck The governor takes its action, if a watchdog is capable 122471ce88bSGuenter Roeck to report a pretimeout event. 123471ce88bSGuenter Roeck 124471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP 125471ce88bSGuenter Roeck bool "noop" 126471ce88bSGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV_NOOP 127471ce88bSGuenter Roeck help 128471ce88bSGuenter Roeck Use noop watchdog pretimeout governor by default. If noop 129471ce88bSGuenter Roeck governor is selected by a user, write a short message to 130471ce88bSGuenter Roeck the kernel log buffer and don't do any system changes. 131471ce88bSGuenter Roeck 132471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 133471ce88bSGuenter Roeck bool "panic" 134471ce88bSGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV_PANIC 135471ce88bSGuenter Roeck help 136471ce88bSGuenter Roeck Use panic watchdog pretimeout governor by default, if 137471ce88bSGuenter Roeck a watchdog pretimeout event happens, consider that 138471ce88bSGuenter Roeck a watchdog feeder is dead and reboot is unavoidable. 139471ce88bSGuenter Roeck 140471ce88bSGuenter Roeckendchoice 141471ce88bSGuenter Roeck 142471ce88bSGuenter Roeckendif # WATCHDOG_PRETIMEOUT_GOV 143471ce88bSGuenter Roeck 144b7e04f8cSWim Van Sebroeck# 145b7e04f8cSWim Van Sebroeck# General Watchdog drivers 146b7e04f8cSWim Van Sebroeck# 147b7e04f8cSWim Van Sebroeck 148b7e04f8cSWim Van Sebroeckcomment "Watchdog Device Drivers" 149b7e04f8cSWim Van Sebroeck 150b7e04f8cSWim Van Sebroeck# Architecture Independent 151b7e04f8cSWim Van Sebroeck 152b7e04f8cSWim Van Sebroeckconfig SOFT_WATCHDOG 153b7e04f8cSWim Van Sebroeck tristate "Software watchdog" 154a5132cafSAlan Cox select WATCHDOG_CORE 155b7e04f8cSWim Van Sebroeck help 156b7e04f8cSWim Van Sebroeck A software monitoring watchdog. This will fail to reboot your system 157b7e04f8cSWim Van Sebroeck from some situations that the hardware watchdog will recover 158b7e04f8cSWim Van Sebroeck from. Equally it's a lot cheaper to install. 159b7e04f8cSWim Van Sebroeck 160b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 161b7e04f8cSWim Van Sebroeck module will be called softdog. 162b7e04f8cSWim Van Sebroeck 1634cbc6902SWolfram Sangconfig SOFT_WATCHDOG_PRETIMEOUT 1644cbc6902SWolfram Sang bool "Software watchdog pretimeout governor support" 1654cbc6902SWolfram Sang depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV 1664cbc6902SWolfram Sang help 1674cbc6902SWolfram Sang Enable this if you want to use pretimeout governors with the software 1684cbc6902SWolfram Sang watchdog. Be aware that governors might affect the watchdog because it 1694cbc6902SWolfram Sang is purely software, e.g. the panic governor will stall it! 1704cbc6902SWolfram Sang 171b237bcacSMatti Vaittinenconfig BD957XMUF_WATCHDOG 172b237bcacSMatti Vaittinen tristate "ROHM BD9576MUF and BD9573MUF PMIC Watchdog" 173b237bcacSMatti Vaittinen depends on MFD_ROHM_BD957XMUF 174b237bcacSMatti Vaittinen select WATCHDOG_CORE 175b237bcacSMatti Vaittinen help 176b237bcacSMatti Vaittinen Support for the watchdog in the ROHM BD9576 and BD9573 PMICs. 177b237bcacSMatti Vaittinen These PMIC ICs contain watchdog block which can be configured 178b237bcacSMatti Vaittinen to toggle reset line if SoC fails to ping watchdog via GPIO. 179b237bcacSMatti Vaittinen 180b237bcacSMatti Vaittinen Say Y here to include support for the ROHM BD9576 or BD9573 181b237bcacSMatti Vaittinen watchdog. Alternatively say M to compile the driver as a module, 182b237bcacSMatti Vaittinen which will be called bd9576_wdt. 183b237bcacSMatti Vaittinen 184664a0d78SAshish Jangamconfig DA9052_WATCHDOG 185664a0d78SAshish Jangam tristate "Dialog DA9052 Watchdog" 186da2a68b3SGuenter Roeck depends on PMIC_DA9052 || COMPILE_TEST 187664a0d78SAshish Jangam select WATCHDOG_CORE 188664a0d78SAshish Jangam help 189664a0d78SAshish Jangam Support for the watchdog in the DA9052 PMIC. Watchdog trigger 190664a0d78SAshish Jangam cause system reset. 191664a0d78SAshish Jangam 192664a0d78SAshish Jangam Say Y here to include support for the DA9052 watchdog. 193664a0d78SAshish Jangam Alternatively say M to compile the driver as a module, 194664a0d78SAshish Jangam which will be called da9052_wdt. 195664a0d78SAshish Jangam 196312b00e1SAshish Jangamconfig DA9055_WATCHDOG 197312b00e1SAshish Jangam tristate "Dialog Semiconductor DA9055 Watchdog" 198da2a68b3SGuenter Roeck depends on MFD_DA9055 || COMPILE_TEST 19912a5c05cSRandy Dunlap select WATCHDOG_CORE 200312b00e1SAshish Jangam help 201312b00e1SAshish Jangam If you say yes here you get support for watchdog on the Dialog 202312b00e1SAshish Jangam Semiconductor DA9055 PMIC. 203312b00e1SAshish Jangam 204312b00e1SAshish Jangam This driver can also be built as a module. If so, the module 205312b00e1SAshish Jangam will be called da9055_wdt. 206312b00e1SAshish Jangam 2075e9c16e3SKrystian Garbaciakconfig DA9063_WATCHDOG 2085e9c16e3SKrystian Garbaciak tristate "Dialog DA9063 Watchdog" 209da2a68b3SGuenter Roeck depends on MFD_DA9063 || COMPILE_TEST 2107d608c33SAndrej Picej depends on I2C 2115e9c16e3SKrystian Garbaciak select WATCHDOG_CORE 2125e9c16e3SKrystian Garbaciak help 2135e9c16e3SKrystian Garbaciak Support for the watchdog in the DA9063 PMIC. 2145e9c16e3SKrystian Garbaciak 2155e9c16e3SKrystian Garbaciak This driver can be built as a module. The module name is da9063_wdt. 2165e9c16e3SKrystian Garbaciak 2177a7cb009SS Twissconfig DA9062_WATCHDOG 21872106c18SSteve Twiss tristate "Dialog DA9062/61 Watchdog" 219da2a68b3SGuenter Roeck depends on MFD_DA9062 || COMPILE_TEST 22044144c80SGuenter Roeck depends on I2C 2217a7cb009SS Twiss select WATCHDOG_CORE 2227a7cb009SS Twiss help 22372106c18SSteve Twiss Support for the watchdog in the DA9062 and DA9061 PMICs. 2247a7cb009SS Twiss 2257a7cb009SS Twiss This driver can be built as a module. The module name is da9062_wdt. 2267a7cb009SS Twiss 22725134eafSAlexander Shiyanconfig GPIO_WATCHDOG 22825134eafSAlexander Shiyan tristate "Watchdog device controlled through GPIO-line" 22925134eafSAlexander Shiyan depends on OF_GPIO 23025134eafSAlexander Shiyan select WATCHDOG_CORE 23125134eafSAlexander Shiyan help 23225134eafSAlexander Shiyan If you say yes here you get support for watchdog device 23325134eafSAlexander Shiyan controlled through GPIO-line. 23425134eafSAlexander Shiyan 2355e53c8edSJean-Baptiste Theouconfig GPIO_WATCHDOG_ARCH_INITCALL 2365e53c8edSJean-Baptiste Theou bool "Register the watchdog as early as possible" 2375e53c8edSJean-Baptiste Theou depends on GPIO_WATCHDOG=y 2385e53c8edSJean-Baptiste Theou help 2395e53c8edSJean-Baptiste Theou In some situations, the default initcall level (module_init) 2405e53c8edSJean-Baptiste Theou in not early enough in the boot process to avoid the watchdog 2415e53c8edSJean-Baptiste Theou to be triggered. 2425e53c8edSJean-Baptiste Theou If you say yes here, the initcall level would be raised to 2435e53c8edSJean-Baptiste Theou arch_initcall. 2445e53c8edSJean-Baptiste Theou If in doubt, say N. 2455e53c8edSJean-Baptiste Theou 24650332639SAndreas Wernerconfig MENF21BMC_WATCHDOG 24750332639SAndreas Werner tristate "MEN 14F021P00 BMC Watchdog" 248da2a68b3SGuenter Roeck depends on MFD_MENF21BMC || COMPILE_TEST 2496fb303a8SArnd Bergmann depends on I2C 25050332639SAndreas Werner select WATCHDOG_CORE 25150332639SAndreas Werner help 25250332639SAndreas Werner Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 25350332639SAndreas Werner 25450332639SAndreas Werner This driver can also be built as a module. If so the module 25550332639SAndreas Werner will be called menf21bmc_wdt. 25650332639SAndreas Werner 25781ceed41SJohannes Thumshirnconfig MENZ069_WATCHDOG 25881ceed41SJohannes Thumshirn tristate "MEN 16Z069 Watchdog" 25912aea518SJohannes Thumshirn depends on MCB 26081ceed41SJohannes Thumshirn select WATCHDOG_CORE 26181ceed41SJohannes Thumshirn help 26281ceed41SJohannes Thumshirn Say Y here to include support for the MEN 16Z069 Watchdog. 26381ceed41SJohannes Thumshirn 26481ceed41SJohannes Thumshirn This driver can also be built as a module. If so the module 26581ceed41SJohannes Thumshirn will be called menz069_wdt. 26681ceed41SJohannes Thumshirn 267058dfc76SMika Westerbergconfig WDAT_WDT 268058dfc76SMika Westerberg tristate "ACPI Watchdog Action Table (WDAT)" 269058dfc76SMika Westerberg depends on ACPI 270effb46b4SMika Westerberg select WATCHDOG_CORE 271058dfc76SMika Westerberg select ACPI_WATCHDOG 272058dfc76SMika Westerberg help 273058dfc76SMika Westerberg This driver adds support for systems with ACPI Watchdog Action 274058dfc76SMika Westerberg Table (WDAT) table. Servers typically have this but it can be 275058dfc76SMika Westerberg found on some desktop machines as well. This driver will take 276058dfc76SMika Westerberg over the native iTCO watchdog driver found on many Intel CPUs. 277058dfc76SMika Westerberg 278058dfc76SMika Westerberg To compile this driver as module, choose M here: the module will 279058dfc76SMika Westerberg be called wdat_wdt. 280058dfc76SMika Westerberg 281502a0106SMark Brownconfig WM831X_WATCHDOG 282502a0106SMark Brown tristate "WM831x watchdog" 283d0e32fbaSArnd Bergmann depends on MFD_WM831X 28400411ee9SMark Brown select WATCHDOG_CORE 285502a0106SMark Brown help 286502a0106SMark Brown Support for the watchdog in the WM831x AudioPlus PMICs. When 287502a0106SMark Brown the watchdog triggers the system will be reset. 288502a0106SMark Brown 289006948baSMark Brownconfig WM8350_WATCHDOG 290006948baSMark Brown tristate "WM8350 watchdog" 291006948baSMark Brown depends on MFD_WM8350 2922e51d90fSAxel Lin select WATCHDOG_CORE 293006948baSMark Brown help 294006948baSMark Brown Support for the watchdog in the WM8350 AudioPlus PMIC. When 295006948baSMark Brown the watchdog triggers the system will be reset. 296006948baSMark Brown 297c9dcf9f2SMichal Simekconfig XILINX_WATCHDOG 298c9dcf9f2SMichal Simek tristate "Xilinx Watchdog timer" 29971fd380aSChen Gang depends on HAS_IOMEM 300c9dcf9f2SMichal Simek select WATCHDOG_CORE 301c9dcf9f2SMichal Simek help 30201028829SRandy Dunlap Watchdog driver for the xps_timebase_wdt IP core. 303c9dcf9f2SMichal Simek 304c9dcf9f2SMichal Simek To compile this driver as a module, choose M here: the 305c9dcf9f2SMichal Simek module will be called of_xilinx_wdt. 306c9dcf9f2SMichal Simek 3072a7b753aSMartyn Welchconfig ZIIRAVE_WATCHDOG 3082a7b753aSMartyn Welch tristate "Zodiac RAVE Watchdog Timer" 3092a7b753aSMartyn Welch depends on I2C 3102a7b753aSMartyn Welch select WATCHDOG_CORE 3112a7b753aSMartyn Welch help 3122a7b753aSMartyn Welch Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 3132a7b753aSMartyn Welch Processor. 3142a7b753aSMartyn Welch 3152a7b753aSMartyn Welch To compile this driver as a module, choose M here: the 3162a7b753aSMartyn Welch module will be called ziirave_wdt. 3172a7b753aSMartyn Welch 318c3bb3334SAndrey Smirnovconfig RAVE_SP_WATCHDOG 319c3bb3334SAndrey Smirnov tristate "RAVE SP Watchdog timer" 320c3bb3334SAndrey Smirnov depends on RAVE_SP_CORE 32120e6bb17SArnd Bergmann depends on NVMEM || !NVMEM 322c3bb3334SAndrey Smirnov select WATCHDOG_CORE 323c3bb3334SAndrey Smirnov help 324c3bb3334SAndrey Smirnov Support for the watchdog on RAVE SP device. 325c3bb3334SAndrey Smirnov 326c60923ddSMichael Shychconfig MLX_WDT 327c60923ddSMichael Shych tristate "Mellanox Watchdog" 328c60923ddSMichael Shych depends on MELLANOX_PLATFORM 329c60923ddSMichael Shych select WATCHDOG_CORE 330c60923ddSMichael Shych select REGMAP 331c60923ddSMichael Shych help 332c60923ddSMichael Shych This is the driver for the hardware watchdog on Mellanox systems. 333c60923ddSMichael Shych If you are going to use it, say Y here, otherwise N. 334c60923ddSMichael Shych This driver can be used together with the watchdog daemon. 335c60923ddSMichael Shych It can also watch your kernel to make sure it doesn't freeze, 336c60923ddSMichael Shych and if it does, it reboots your system after a certain amount of 337c60923ddSMichael Shych time. 338c60923ddSMichael Shych 339c60923ddSMichael Shych To compile this driver as a module, choose M here: the 340c60923ddSMichael Shych module will be called mlx-wdt. 341c60923ddSMichael Shych 34285174ca6SMichael Walleconfig SL28CPLD_WATCHDOG 34385174ca6SMichael Walle tristate "Kontron sl28cpld Watchdog" 34485174ca6SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 34585174ca6SMichael Walle select WATCHDOG_CORE 34685174ca6SMichael Walle help 34785174ca6SMichael Walle Say Y here to include support for the watchdog timer 34885174ca6SMichael Walle on the Kontron sl28 CPLD. 34985174ca6SMichael Walle 35085174ca6SMichael Walle To compile this driver as a module, choose M here: the 35185174ca6SMichael Walle module will be called sl28cpld_wdt. 35285174ca6SMichael Walle 353b7e04f8cSWim Van Sebroeck# ALPHA Architecture 354b7e04f8cSWim Van Sebroeck 355b7e04f8cSWim Van Sebroeck# ARM Architecture 356b7e04f8cSWim Van Sebroeck 3574a370278SViresh KUMARconfig ARM_SP805_WATCHDOG 3584a370278SViresh KUMAR tristate "ARM SP805 Watchdog" 3593eafee95SArnd Bergmann depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 3604a516539SViresh Kumar select WATCHDOG_CORE 3614a370278SViresh KUMAR help 3624a370278SViresh KUMAR ARM Primecell SP805 Watchdog timer. This will reboot your system when 3634a370278SViresh KUMAR the timeout is reached. 3644a370278SViresh KUMAR 36557d2caaaSFu Weiconfig ARM_SBSA_WATCHDOG 36657d2caaaSFu Wei tristate "ARM SBSA Generic Watchdog" 36757d2caaaSFu Wei depends on ARM64 36857d2caaaSFu Wei depends on ARM_ARCH_TIMER 36957d2caaaSFu Wei select WATCHDOG_CORE 37057d2caaaSFu Wei help 37157d2caaaSFu Wei ARM SBSA Generic Watchdog has two stage timeouts: 37257d2caaaSFu Wei the first signal (WS0) is for alerting the system by interrupt, 37357d2caaaSFu Wei the second one (WS1) is a real hardware reset. 37457d2caaaSFu Wei More details: ARM DEN0029B - Server Base System Architecture (SBSA) 37557d2caaaSFu Wei 37657d2caaaSFu Wei This driver can operate ARM SBSA Generic Watchdog as a single stage 37757d2caaaSFu Wei or a two stages watchdog, it depends on the module parameter "action". 37857d2caaaSFu Wei 37957d2caaaSFu Wei Note: the maximum timeout in the two stages mode is half of that in 38057d2caaaSFu Wei the single stage mode. 38157d2caaaSFu Wei 38257d2caaaSFu Wei To compile this driver as module, choose M here: The module 38357d2caaaSFu Wei will be called sbsa_gwdt. 38457d2caaaSFu Wei 38554e3d9b5SMarek Behúnconfig ARMADA_37XX_WATCHDOG 38654e3d9b5SMarek Behún tristate "Armada 37xx watchdog" 38754e3d9b5SMarek Behún depends on ARCH_MVEBU || COMPILE_TEST 3887f6f1dfbSGuenter Roeck depends on HAS_IOMEM 38954e3d9b5SMarek Behún select MFD_SYSCON 39054e3d9b5SMarek Behún select WATCHDOG_CORE 39154e3d9b5SMarek Behún help 39254e3d9b5SMarek Behún Say Y here to include support for the watchdog timer found on 39354e3d9b5SMarek Behún Marvell Armada 37xx SoCs. 39454e3d9b5SMarek Behún To compile this driver as a module, choose M here: the 39554e3d9b5SMarek Behún module will be called armada_37xx_wdt. 39654e3d9b5SMarek Behún 397aae03dc9SOleksij Rempelconfig ASM9260_WATCHDOG 398aae03dc9SOleksij Rempel tristate "Alphascale ASM9260 watchdog" 399da2a68b3SGuenter Roeck depends on MACH_ASM9260 || COMPILE_TEST 400aae03dc9SOleksij Rempel depends on OF 401aae03dc9SOleksij Rempel select WATCHDOG_CORE 402aae03dc9SOleksij Rempel select RESET_CONTROLLER 403aae03dc9SOleksij Rempel help 40401028829SRandy Dunlap Watchdog timer embedded into Alphascale asm9260 chips. This will 40501028829SRandy Dunlap reboot your system when the timeout is reached. 406aae03dc9SOleksij Rempel 407b7e04f8cSWim Van Sebroeckconfig AT91RM9200_WATCHDOG 408b7e04f8cSWim Van Sebroeck tristate "AT91RM9200 watchdog" 409da2a68b3SGuenter Roeck depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 410b7e04f8cSWim Van Sebroeck help 411b7e04f8cSWim Van Sebroeck Watchdog timer embedded into AT91RM9200 chips. This will reboot your 412b7e04f8cSWim Van Sebroeck system when the timeout is reached. 413b7e04f8cSWim Van Sebroeck 414e6bb42e3SRenaud CERRATOconfig AT91SAM9X_WATCHDOG 415f0e625c1SAndrew Victor tristate "AT91SAM9X / AT91CAP9 watchdog" 416da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 417490ac7afSWenyou Yang select WATCHDOG_CORE 418e6bb42e3SRenaud CERRATO help 419f0e625c1SAndrew Victor Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 420f0e625c1SAndrew Victor reboot your system when the timeout is reached. 421e6bb42e3SRenaud CERRATO 42276534860SWenyou Yangconfig SAMA5D4_WATCHDOG 42376534860SWenyou Yang tristate "Atmel SAMA5D4 Watchdog Timer" 424da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 42576534860SWenyou Yang select WATCHDOG_CORE 42676534860SWenyou Yang help 42776534860SWenyou Yang Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 42876534860SWenyou Yang Its Watchdog Timer Mode Register can be written more than once. 42976534860SWenyou Yang This will reboot your system when the timeout is reached. 43076534860SWenyou Yang 43158bf0164SHarini Katakamconfig CADENCE_WATCHDOG 43258bf0164SHarini Katakam tristate "Cadence Watchdog Timer" 4336960d485SRichard Weinberger depends on HAS_IOMEM 43458bf0164SHarini Katakam select WATCHDOG_CORE 43558bf0164SHarini Katakam help 43658bf0164SHarini Katakam Say Y here if you want to include support for the watchdog 43758bf0164SHarini Katakam timer in the Xilinx Zynq. 43858bf0164SHarini Katakam 439b7e04f8cSWim Van Sebroeckconfig 21285_WATCHDOG 440b7e04f8cSWim Van Sebroeck tristate "DC21285 watchdog" 441b7e04f8cSWim Van Sebroeck depends on FOOTBRIDGE 442b7e04f8cSWim Van Sebroeck help 443b7e04f8cSWim Van Sebroeck The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 444b7e04f8cSWim Van Sebroeck here if you wish to use this. Alternatively say M to compile the 445b7e04f8cSWim Van Sebroeck driver as a module, which will be called wdt285. 446b7e04f8cSWim Van Sebroeck 447b7e04f8cSWim Van Sebroeck This driver does not work on all machines. In particular, early CATS 448b7e04f8cSWim Van Sebroeck boards have hardware problems that will cause the machine to simply 449b7e04f8cSWim Van Sebroeck lock up if the watchdog fires. 450b7e04f8cSWim Van Sebroeck 451b7e04f8cSWim Van Sebroeck "If in doubt, leave it out" - say N. 452b7e04f8cSWim Van Sebroeck 453b7e04f8cSWim Van Sebroeckconfig 977_WATCHDOG 454b7e04f8cSWim Van Sebroeck tristate "NetWinder WB83C977 watchdog" 455da2a68b3SGuenter Roeck depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 456b7e04f8cSWim Van Sebroeck help 457b7e04f8cSWim Van Sebroeck Say Y here to include support for the WB977 watchdog included in 458b7e04f8cSWim Van Sebroeck NetWinder machines. Alternatively say M to compile the driver as 459b7e04f8cSWim Van Sebroeck a module, which will be called wdt977. 460b7e04f8cSWim Van Sebroeck 461b7e04f8cSWim Van Sebroeck Not sure? It's safe to say N. 462b7e04f8cSWim Van Sebroeck 463766a2aadSLinus Walleijconfig FTWDT010_WATCHDOG 464766a2aadSLinus Walleij tristate "Faraday Technology FTWDT010 watchdog" 465766a2aadSLinus Walleij depends on ARM || COMPILE_TEST 466eca10ae6SLinus Walleij select WATCHDOG_CORE 467766a2aadSLinus Walleij default ARCH_GEMINI 468eca10ae6SLinus Walleij help 469766a2aadSLinus Walleij Say Y here if to include support for the Faraday Technology 470766a2aadSLinus Walleij FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 471766a2aadSLinus Walleij family of devices. 472eca10ae6SLinus Walleij 473eca10ae6SLinus Walleij To compile this driver as a module, choose M here: the 474766a2aadSLinus Walleij module will be called ftwdt010_wdt. 475eca10ae6SLinus Walleij 476b7e04f8cSWim Van Sebroeckconfig IXP4XX_WATCHDOG 477b7e04f8cSWim Van Sebroeck tristate "IXP4xx Watchdog" 478b7e04f8cSWim Van Sebroeck depends on ARCH_IXP4XX 479580b8e28SLinus Walleij select WATCHDOG_CORE 480b7e04f8cSWim Van Sebroeck help 481b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 482b7e04f8cSWim Van Sebroeck in the Intel IXP4xx network processors. This driver can 483b7e04f8cSWim Van Sebroeck be built as a module by choosing M. The module will 484b7e04f8cSWim Van Sebroeck be called ixp4xx_wdt. 485b7e04f8cSWim Van Sebroeck 486b7e04f8cSWim Van Sebroeck Note: The internal IXP4xx watchdog does a soft CPU reset 487b7e04f8cSWim Van Sebroeck which doesn't reset any peripherals. There are circumstances 488b7e04f8cSWim Van Sebroeck where the watchdog will fail to reset the board correctly 489b7e04f8cSWim Van Sebroeck (e.g., if the boot ROM is in an unreadable state). 490b7e04f8cSWim Van Sebroeck 491b7e04f8cSWim Van Sebroeck Say N if you are unsure. 492b7e04f8cSWim Van Sebroeck 493b7e04f8cSWim Van Sebroeckconfig S3C2410_WATCHDOG 4941ea35b35SArnd Bergmann tristate "S3C6410/S5Pv210/Exynos Watchdog" 4951ea35b35SArnd Bergmann depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 49625dc46e3SWolfram Sang select WATCHDOG_CORE 49753eac48dSKrzysztof Kozlowski select MFD_SYSCON if ARCH_EXYNOS 498b7e04f8cSWim Van Sebroeck help 4991ea35b35SArnd Bergmann Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos 5001ea35b35SArnd Bergmann SoCs. This will reboot the system when the timer expires with 501981785daSKrzysztof Kozlowski the watchdog enabled. 502b7e04f8cSWim Van Sebroeck 503b7e04f8cSWim Van Sebroeck The driver is limited by the speed of the system's PCLK 504b7e04f8cSWim Van Sebroeck signal, so with reasonably fast systems (PCLK around 50-66MHz) 505b7e04f8cSWim Van Sebroeck then watchdog intervals of over approximately 20seconds are 506b7e04f8cSWim Van Sebroeck unavailable. 507b7e04f8cSWim Van Sebroeck 508981785daSKrzysztof Kozlowski Choose Y/M here only if you build for such Samsung SoC. 509b7e04f8cSWim Van Sebroeck The driver can be built as a module by choosing M, and will 510981785daSKrzysztof Kozlowski be called s3c2410_wdt. 511b7e04f8cSWim Van Sebroeck 512b7e04f8cSWim Van Sebroeckconfig SA1100_WATCHDOG 513b7e04f8cSWim Van Sebroeck tristate "SA1100/PXA2xx watchdog" 514b7e04f8cSWim Van Sebroeck depends on ARCH_SA1100 || ARCH_PXA 515b7e04f8cSWim Van Sebroeck help 516b7e04f8cSWim Van Sebroeck Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 517b7e04f8cSWim Van Sebroeck reboot your system when timeout is reached. 518b7e04f8cSWim Van Sebroeck 519b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 520b7e04f8cSWim Van Sebroeck 521b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 522b7e04f8cSWim Van Sebroeck module will be called sa1100_wdt. 523b7e04f8cSWim Van Sebroeck 524c9353ae1SJamie Ilesconfig DW_WATCHDOG 525c9353ae1SJamie Iles tristate "Synopsys DesignWare watchdog" 5261ccfe6f9SRichard Weinberger depends on HAS_IOMEM 527f29a72c2SGuenter Roeck select WATCHDOG_CORE 528c9353ae1SJamie Iles help 529c9353ae1SJamie Iles Say Y here if to include support for the Synopsys DesignWare 53058a251f2SBaruch Siach watchdog timer found in many chips. 531c9353ae1SJamie Iles To compile this driver as a module, choose M here: the 532c9353ae1SJamie Iles module will be called dw_wdt. 533c9353ae1SJamie Iles 534b7e04f8cSWim Van Sebroeckconfig EP93XX_WATCHDOG 535b7e04f8cSWim Van Sebroeck tristate "EP93xx Watchdog" 536da2a68b3SGuenter Roeck depends on ARCH_EP93XX || COMPILE_TEST 537e12a679dSH Hartley Sweeten select WATCHDOG_CORE 538b7e04f8cSWim Van Sebroeck help 539b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 540b7e04f8cSWim Van Sebroeck embedded in the Cirrus Logic EP93xx family of devices. 541b7e04f8cSWim Van Sebroeck 542b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 543b7e04f8cSWim Van Sebroeck module will be called ep93xx_wdt. 544b7e04f8cSWim Van Sebroeck 545b7e04f8cSWim Van Sebroeckconfig OMAP_WATCHDOG 546b7e04f8cSWim Van Sebroeck tristate "OMAP Watchdog" 547da2a68b3SGuenter Roeck depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 54867c0f554SAaro Koskinen select WATCHDOG_CORE 549b7e04f8cSWim Van Sebroeck help 55001028829SRandy Dunlap Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 55101028829SRandy Dunlap Say 'Y' here to enable the 55201028829SRandy Dunlap OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 553b7e04f8cSWim Van Sebroeck 554b7e04f8cSWim Van Sebroeckconfig PNX4008_WATCHDOG 555d684f05fSRoland Stigge tristate "LPC32XX Watchdog" 556c9b8af43SArnd Bergmann depends on ARCH_LPC32XX || COMPILE_TEST 5576b1e8386SWolfram Sang select WATCHDOG_CORE 558b7e04f8cSWim Van Sebroeck help 559b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 560d684f05fSRoland Stigge in the LPC32XX processor. 561b7e04f8cSWim Van Sebroeck This driver can be built as a module by choosing M. The module 562b7e04f8cSWim Van Sebroeck will be called pnx4008_wdt. 563b7e04f8cSWim Van Sebroeck 564b7e04f8cSWim Van Sebroeck Say N if you are unsure. 565b7e04f8cSWim Van Sebroeck 566b7e04f8cSWim Van Sebroeckconfig DAVINCI_WATCHDOG 567b7e04f8cSWim Van Sebroeck tristate "DaVinci watchdog" 568da2a68b3SGuenter Roeck depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 569f48f3ceaSIvan Khoronzhuk select WATCHDOG_CORE 570b7e04f8cSWim Van Sebroeck help 571b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 5728832b200SIvan Khoronzhuk in the DaVinci DM644x/DM646x or Keystone processors. 573b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 574b7e04f8cSWim Van Sebroeck module will be called davinci_wdt. 575b7e04f8cSWim Van Sebroeck 576b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 577b7e04f8cSWim Van Sebroeck Say N if you are unsure. 578b7e04f8cSWim Van Sebroeck 5792d63908bSTero Kristoconfig K3_RTI_WATCHDOG 5802d63908bSTero Kristo tristate "Texas Instruments K3 RTI watchdog" 5812d63908bSTero Kristo depends on ARCH_K3 || COMPILE_TEST 5822d63908bSTero Kristo select WATCHDOG_CORE 5832d63908bSTero Kristo help 5842d63908bSTero Kristo Say Y here if you want to include support for the K3 watchdog 5852d63908bSTero Kristo timer (RTI module) available in the K3 generation of processors. 5862d63908bSTero Kristo 5873b937a7dSNicolas Pitreconfig ORION_WATCHDOG 5883b937a7dSNicolas Pitre tristate "Orion watchdog" 5893e3f354bSArnd Bergmann depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 590c3525e3fSThierry Reding depends on ARM 5910dd6e484SAxel Lin select WATCHDOG_CORE 59222ac9232SSylver Bruneau help 59322ac9232SSylver Bruneau Say Y here if to include support for the watchdog timer 5943b937a7dSNicolas Pitre in the Marvell Orion5x and Kirkwood ARM SoCs. 59522ac9232SSylver Bruneau To compile this driver as a module, choose M here: the 5963b937a7dSNicolas Pitre module will be called orion_wdt. 59722ac9232SSylver Bruneau 59822b1c841SBeniamino Galvaniconfig RN5T618_WATCHDOG 59922b1c841SBeniamino Galvani tristate "Ricoh RN5T618 watchdog" 600da2a68b3SGuenter Roeck depends on MFD_RN5T618 || COMPILE_TEST 60122b1c841SBeniamino Galvani select WATCHDOG_CORE 60222b1c841SBeniamino Galvani help 60322b1c841SBeniamino Galvani If you say yes here you get support for watchdog on the Ricoh 60422b1c841SBeniamino Galvani RN5T618 PMIC. 60522b1c841SBeniamino Galvani 60622b1c841SBeniamino Galvani This driver can also be built as a module. If so, the module 60722b1c841SBeniamino Galvani will be called rn5t618_wdt. 60822b1c841SBeniamino Galvani 609d00680edSCarlo Caioneconfig SUNXI_WATCHDOG 610d00680edSCarlo Caione tristate "Allwinner SoCs watchdog support" 611da2a68b3SGuenter Roeck depends on ARCH_SUNXI || COMPILE_TEST 612d00680edSCarlo Caione select WATCHDOG_CORE 613d00680edSCarlo Caione help 614d00680edSCarlo Caione Say Y here to include support for the watchdog timer 615d00680edSCarlo Caione in Allwinner SoCs. 616d00680edSCarlo Caione To compile this driver as a module, choose M here: the 617d00680edSCarlo Caione module will be called sunxi_wdt. 618d00680edSCarlo Caione 619975b7f0fSJoel Stanleyconfig NPCM7XX_WATCHDOG 620ec242929SGuenter Roeck tristate "Nuvoton NPCM750 watchdog" 621975b7f0fSJoel Stanley depends on ARCH_NPCM || COMPILE_TEST 6227db706a2STomer Maimon default y if ARCH_NPCM7XX 623975b7f0fSJoel Stanley select WATCHDOG_CORE 624975b7f0fSJoel Stanley help 625975b7f0fSJoel Stanley Say Y here to include Watchdog timer support for the 626975b7f0fSJoel Stanley watchdog embedded into the NPCM7xx. 627975b7f0fSJoel Stanley This watchdog is used to reset the system and thus cannot be 628975b7f0fSJoel Stanley compiled as a module. 629975b7f0fSJoel Stanley 63080e45b1eSTimo Kokkonenconfig TWL4030_WATCHDOG 63180e45b1eSTimo Kokkonen tristate "TWL4030 Watchdog" 63280e45b1eSTimo Kokkonen depends on TWL4030_CORE 633b2c4e4b2SJarkko Nikula select WATCHDOG_CORE 63480e45b1eSTimo Kokkonen help 63580e45b1eSTimo Kokkonen Support for TI TWL4030 watchdog. Say 'Y' here to enable the 63680e45b1eSTimo Kokkonen watchdog timer support for TWL4030 chips. 63780e45b1eSTimo Kokkonen 638de6303abSWolfram Sangconfig STMP3XXX_RTC_WATCHDOG 639de6303abSWolfram Sang tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 640da2a68b3SGuenter Roeck depends on RTC_DRV_STMP || COMPILE_TEST 641de6303abSWolfram Sang select WATCHDOG_CORE 642de6303abSWolfram Sang help 643de6303abSWolfram Sang Say Y here to include support for the watchdog timer inside 644de6303abSWolfram Sang the RTC for the STMP37XX/378X or i.MX23/28 SoC. 645de6303abSWolfram Sang To compile this driver as a module, choose M here: the 646de6303abSWolfram Sang module will be called stmp3xxx_rtc_wdt. 647de6303abSWolfram Sang 648bf900639SDamien Riegelconfig TS4800_WATCHDOG 649bf900639SDamien Riegel tristate "TS-4800 Watchdog" 650bf900639SDamien Riegel depends on HAS_IOMEM && OF 6510519e91dSJean Delvare depends on SOC_IMX51 || COMPILE_TEST 652bf900639SDamien Riegel select WATCHDOG_CORE 653bf900639SDamien Riegel select MFD_SYSCON 654bf900639SDamien Riegel help 655bf900639SDamien Riegel Technologic Systems TS-4800 has watchdog timer implemented in 656bf900639SDamien Riegel an external FPGA. Say Y here if you want to support for the 657bf900639SDamien Riegel watchdog timer on TS-4800 board. 658bf900639SDamien Riegel 659c90bf2aaSMika Westerbergconfig TS72XX_WATCHDOG 660c90bf2aaSMika Westerberg tristate "TS-72XX SBC Watchdog" 661da2a68b3SGuenter Roeck depends on MACH_TS72XX || COMPILE_TEST 6620f0dbd9bSShyam Saini select WATCHDOG_CORE 663c90bf2aaSMika Westerberg help 664c90bf2aaSMika Westerberg Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 665c90bf2aaSMika Westerberg watchdog timer implemented in a external CPLD chip. Say Y here 666c90bf2aaSMika Westerberg if you want to support for the watchdog timer on TS-72XX boards. 667c90bf2aaSMika Westerberg 668c90bf2aaSMika Westerberg To compile this driver as a module, choose M here: the 669c90bf2aaSMika Westerberg module will be called ts72xx_wdt. 670c90bf2aaSMika Westerberg 6715e803716SMarc Zyngierconfig MAX63XX_WATCHDOG 6725e803716SMarc Zyngier tristate "Max63xx watchdog" 67304658449SVivien Didelot depends on HAS_IOMEM 674a0f36833SAxel Lin select WATCHDOG_CORE 6755e803716SMarc Zyngier help 6765e803716SMarc Zyngier Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 6775e803716SMarc Zyngier 678ff3bb2f5SLaxman Dewanganconfig MAX77620_WATCHDOG 679ff3bb2f5SLaxman Dewangan tristate "Maxim Max77620 Watchdog Timer" 680254099d8SLuca Ceresoli depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 681da9e3f4eSDavid Engraf select WATCHDOG_CORE 682ff3bb2f5SLaxman Dewangan help 683ff3bb2f5SLaxman Dewangan This is the driver for the Max77620 watchdog timer. 684ff3bb2f5SLaxman Dewangan Say 'Y' here to enable the watchdog timer support for 685ff3bb2f5SLaxman Dewangan MAX77620 chips. To compile this driver as a module, 686ff3bb2f5SLaxman Dewangan choose M here: the module will be called max77620_wdt. 687ff3bb2f5SLaxman Dewangan 688bb2fd8a8SWolfram Sangconfig IMX2_WDT 689bb2fd8a8SWolfram Sang tristate "IMX2+ Watchdog" 690da2a68b3SGuenter Roeck depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 691a7977003SXiubo Li select REGMAP_MMIO 692faad5de0SAnatolij Gustschin select WATCHDOG_CORE 693bb2fd8a8SWolfram Sang help 694bb2fd8a8SWolfram Sang This is the driver for the hardware watchdog 695bb2fd8a8SWolfram Sang on the Freescale IMX2 and later processors. 696bb2fd8a8SWolfram Sang If you have one of these processors and wish to have 697bb2fd8a8SWolfram Sang watchdog support enabled, say Y, otherwise say N. 698bb2fd8a8SWolfram Sang 699bb2fd8a8SWolfram Sang To compile this driver as a module, choose M here: the 700bb2fd8a8SWolfram Sang module will be called imx2_wdt. 701bb2fd8a8SWolfram Sang 702986857acSAnson Huangconfig IMX_SC_WDT 703986857acSAnson Huang tristate "IMX SC Watchdog" 704986857acSAnson Huang depends on HAVE_ARM_SMCCC 70515f7d7fcSAnson Huang depends on IMX_SCU 706986857acSAnson Huang select WATCHDOG_CORE 707986857acSAnson Huang help 708986857acSAnson Huang This is the driver for the system controller watchdog 709986857acSAnson Huang on the NXP i.MX SoCs with system controller inside, the 710986857acSAnson Huang watchdog driver will call ARM SMC API and trap into 711986857acSAnson Huang ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 712986857acSAnson Huang will request system controller to execute the operations. 713986857acSAnson Huang If you have one of these processors and wish to have 714986857acSAnson Huang watchdog support enabled, say Y, otherwise say N. 715986857acSAnson Huang 716986857acSAnson Huang To compile this driver as a module, choose M here: the 717986857acSAnson Huang module will be called imx_sc_wdt. 718986857acSAnson Huang 71941b630f4SAnson Huangconfig IMX7ULP_WDT 72041b630f4SAnson Huang tristate "IMX7ULP Watchdog" 72141b630f4SAnson Huang depends on ARCH_MXC || COMPILE_TEST 72241b630f4SAnson Huang select WATCHDOG_CORE 72341b630f4SAnson Huang help 72441b630f4SAnson Huang This is the driver for the hardware watchdog on the Freescale 72541b630f4SAnson Huang IMX7ULP and later processors. If you have one of these 72641b630f4SAnson Huang processors and wish to have watchdog support enabled, 72741b630f4SAnson Huang say Y, otherwise say N. 72841b630f4SAnson Huang 72941b630f4SAnson Huang To compile this driver as a module, choose M here: the 73041b630f4SAnson Huang module will be called imx7ulp_wdt. 73141b630f4SAnson Huang 732d0305aacSLinus Walleijconfig DB500_WATCHDOG 733d0305aacSLinus Walleij tristate "ST-Ericsson DB800 watchdog" 7349297b652SArnd Bergmann depends on MFD_DB8500_PRCMU 735f0e5bd41SFabio Baltieri select WATCHDOG_CORE 736f0e5bd41SFabio Baltieri default y 737f0e5bd41SFabio Baltieri help 738f0e5bd41SFabio Baltieri Say Y here to include Watchdog timer support for the watchdog 739d0305aacSLinus Walleij existing in the prcmu of ST-Ericsson DB8500 platform. 740f0e5bd41SFabio Baltieri 741f0e5bd41SFabio Baltieri To compile this driver as a module, choose M here: the 742d0305aacSLinus Walleij module will be called db500_wdt. 743f0e5bd41SFabio Baltieri 7443d3a6d18SAaro Koskinenconfig RETU_WATCHDOG 7453d3a6d18SAaro Koskinen tristate "Retu watchdog" 7469ad82f11SArnd Bergmann depends on MFD_RETU 7473d3a6d18SAaro Koskinen select WATCHDOG_CORE 7483d3a6d18SAaro Koskinen help 7493d3a6d18SAaro Koskinen Retu watchdog driver for Nokia Internet Tablets (770, N800, 7503d3a6d18SAaro Koskinen N810). At least on N800 the watchdog cannot be disabled, so 7513d3a6d18SAaro Koskinen this driver is essential and you should enable it. 7523d3a6d18SAaro Koskinen 7533d3a6d18SAaro Koskinen To compile this driver as a module, choose M here: the 7543d3a6d18SAaro Koskinen module will be called retu_wdt. 7553d3a6d18SAaro Koskinen 756e14538e0SJonas Jensenconfig MOXART_WDT 757e14538e0SJonas Jensen tristate "MOXART watchdog" 758da2a68b3SGuenter Roeck depends on ARCH_MOXART || COMPILE_TEST 759e14538e0SJonas Jensen help 760e14538e0SJonas Jensen Say Y here to include Watchdog timer support for the watchdog 761e14538e0SJonas Jensen existing on the MOXA ART SoC series platforms. 762e14538e0SJonas Jensen 763e14538e0SJonas Jensen To compile this driver as a module, choose M here: the 764e14538e0SJonas Jensen module will be called moxart_wdt. 765e14538e0SJonas Jensen 766f27925a6SLee Jonesconfig ST_LPC_WATCHDOG 767f27925a6SLee Jones tristate "STMicroelectronics LPC Watchdog" 768da2a68b3SGuenter Roeck depends on ARCH_STI || COMPILE_TEST 769f27925a6SLee Jones depends on OF 770f27925a6SLee Jones select WATCHDOG_CORE 771f27925a6SLee Jones help 772f27925a6SLee Jones Say Y here to include STMicroelectronics Low Power Controller 773f27925a6SLee Jones (LPC) based Watchdog timer support. 774f27925a6SLee Jones 775f27925a6SLee Jones To compile this driver as a module, choose M here: the 776f27925a6SLee Jones module will be called st_lpc_wdt. 777f27925a6SLee Jones 778c33a1597SAndrew Chewconfig TEGRA_WATCHDOG 779c33a1597SAndrew Chew tristate "Tegra watchdog" 78071fd380aSChen Gang depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 781c33a1597SAndrew Chew select WATCHDOG_CORE 782c33a1597SAndrew Chew help 783c33a1597SAndrew Chew Say Y here to include support for the watchdog timer 784c33a1597SAndrew Chew embedded in NVIDIA Tegra SoCs. 785c33a1597SAndrew Chew 786c33a1597SAndrew Chew To compile this driver as a module, choose M here: the 787c33a1597SAndrew Chew module will be called tegra_wdt. 788c33a1597SAndrew Chew 7891094ebe9SJosh Cartwrightconfig QCOM_WDT 7901094ebe9SJosh Cartwright tristate "QCOM watchdog" 7911094ebe9SJosh Cartwright depends on HAS_IOMEM 792da2a68b3SGuenter Roeck depends on ARCH_QCOM || COMPILE_TEST 7931094ebe9SJosh Cartwright select WATCHDOG_CORE 7941094ebe9SJosh Cartwright help 7951094ebe9SJosh Cartwright Say Y here to include Watchdog timer support for the watchdog found 7961094ebe9SJosh Cartwright on QCOM chipsets. Currently supported targets are the MSM8960, 7971094ebe9SJosh Cartwright APQ8064, and IPQ8064. 7981094ebe9SJosh Cartwright 7991094ebe9SJosh Cartwright To compile this driver as a module, choose M here: the 8001094ebe9SJosh Cartwright module will be called qcom_wdt. 8011094ebe9SJosh Cartwright 802683fa50fSNeil Armstrongconfig MESON_GXBB_WATCHDOG 803683fa50fSNeil Armstrong tristate "Amlogic Meson GXBB SoCs watchdog support" 804da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 805683fa50fSNeil Armstrong select WATCHDOG_CORE 806683fa50fSNeil Armstrong help 807683fa50fSNeil Armstrong Say Y here to include support for the watchdog timer 808683fa50fSNeil Armstrong in Amlogic Meson GXBB SoCs. 809683fa50fSNeil Armstrong To compile this driver as a module, choose M here: the 810683fa50fSNeil Armstrong module will be called meson_gxbb_wdt. 811683fa50fSNeil Armstrong 81222e1b8f6SCarlo Caioneconfig MESON_WATCHDOG 81322e1b8f6SCarlo Caione tristate "Amlogic Meson SoCs watchdog support" 814da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 81522e1b8f6SCarlo Caione select WATCHDOG_CORE 81622e1b8f6SCarlo Caione help 81722e1b8f6SCarlo Caione Say Y here to include support for the watchdog timer 81822e1b8f6SCarlo Caione in Amlogic Meson SoCs. 81922e1b8f6SCarlo Caione To compile this driver as a module, choose M here: the 82022e1b8f6SCarlo Caione module will be called meson_wdt. 82122e1b8f6SCarlo Caione 822a44a4553SMatthias Bruggerconfig MEDIATEK_WATCHDOG 823a44a4553SMatthias Brugger tristate "Mediatek SoCs watchdog support" 824da2a68b3SGuenter Roeck depends on ARCH_MEDIATEK || COMPILE_TEST 825ab571cbcSKevin Hilman default ARCH_MEDIATEK 826a44a4553SMatthias Brugger select WATCHDOG_CORE 8275eee7c62SRandy Dunlap select RESET_CONTROLLER 828a44a4553SMatthias Brugger help 829a44a4553SMatthias Brugger Say Y here to include support for the watchdog timer 830a44a4553SMatthias Brugger in Mediatek SoCs. 831a44a4553SMatthias Brugger To compile this driver as a module, choose M here: the 832a44a4553SMatthias Brugger module will be called mtk_wdt. 833a44a4553SMatthias Brugger 834336694a0SBaruch Siachconfig DIGICOLOR_WATCHDOG 835336694a0SBaruch Siach tristate "Conexant Digicolor SoCs watchdog support" 836da2a68b3SGuenter Roeck depends on ARCH_DIGICOLOR || COMPILE_TEST 837336694a0SBaruch Siach select WATCHDOG_CORE 838336694a0SBaruch Siach help 839336694a0SBaruch Siach Say Y here to include support for the watchdog timer 840336694a0SBaruch Siach in Conexant Digicolor SoCs. 841336694a0SBaruch Siach To compile this driver as a module, choose M here: the 842336694a0SBaruch Siach module will be called digicolor_wdt. 843336694a0SBaruch Siach 84472a9e7feSJulius Wernerconfig ARM_SMC_WATCHDOG 84572a9e7feSJulius Werner tristate "ARM Secure Monitor Call based watchdog support" 84672a9e7feSJulius Werner depends on ARM || ARM64 84772a9e7feSJulius Werner depends on OF 84872a9e7feSJulius Werner depends on HAVE_ARM_SMCCC 84972a9e7feSJulius Werner select WATCHDOG_CORE 85072a9e7feSJulius Werner help 85172a9e7feSJulius Werner Say Y here to include support for a watchdog timer 85272a9e7feSJulius Werner implemented by the EL3 Secure Monitor on ARM platforms. 85372a9e7feSJulius Werner Requires firmware support. 85472a9e7feSJulius Werner To compile this driver as a module, choose M here: the 85572a9e7feSJulius Werner module will be called arm_smc_wdt. 85672a9e7feSJulius Werner 8577c25f8c9SAriel D'Alessandroconfig LPC18XX_WATCHDOG 8587c25f8c9SAriel D'Alessandro tristate "LPC18xx/43xx Watchdog" 8597c25f8c9SAriel D'Alessandro depends on ARCH_LPC18XX || COMPILE_TEST 860d42d6108SRichard Weinberger depends on HAS_IOMEM 8617c25f8c9SAriel D'Alessandro select WATCHDOG_CORE 8627c25f8c9SAriel D'Alessandro help 8637c25f8c9SAriel D'Alessandro Say Y here if to include support for the watchdog timer 8647c25f8c9SAriel D'Alessandro in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 8657c25f8c9SAriel D'Alessandro processors. 8667c25f8c9SAriel D'Alessandro To compile this driver as a module, choose M here: the 8677c25f8c9SAriel D'Alessandro module will be called lpc18xx_wdt. 8687c25f8c9SAriel D'Alessandro 869bd99b68eSWolfram Sangconfig RENESAS_WDT 870bd99b68eSWolfram Sang tristate "Renesas WDT Watchdog" 871bd99b68eSWolfram Sang depends on ARCH_RENESAS || COMPILE_TEST 872bd99b68eSWolfram Sang select WATCHDOG_CORE 873bd99b68eSWolfram Sang help 874bd99b68eSWolfram Sang This driver adds watchdog support for the integrated watchdogs in the 875bd99b68eSWolfram Sang Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 876bd99b68eSWolfram Sang 877aea24187SChris Brandtconfig RENESAS_RZAWDT 878aea24187SChris Brandt tristate "Renesas RZ/A WDT Watchdog" 879aea24187SChris Brandt depends on ARCH_RENESAS || COMPILE_TEST 880aea24187SChris Brandt select WATCHDOG_CORE 881aea24187SChris Brandt help 882aea24187SChris Brandt This driver adds watchdog support for the integrated watchdogs in the 883aea24187SChris Brandt Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 884aea24187SChris Brandt 885d65112f5SPhil Edworthyconfig RENESAS_RZN1WDT 886d65112f5SPhil Edworthy tristate "Renesas RZ/N1 watchdog" 887d65112f5SPhil Edworthy depends on ARCH_RENESAS || COMPILE_TEST 888d65112f5SPhil Edworthy select WATCHDOG_CORE 889d65112f5SPhil Edworthy help 890d65112f5SPhil Edworthy This driver adds watchdog support for the integrated watchdogs in the 891d65112f5SPhil Edworthy Renesas RZ/N1 SoCs. These watchdogs can be used to reset a system. 892d65112f5SPhil Edworthy 8932cbc5cd0SBiju Dasconfig RENESAS_RZG2LWDT 8942cbc5cd0SBiju Das tristate "Renesas RZ/G2L WDT Watchdog" 8952cbc5cd0SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 8962cbc5cd0SBiju Das select WATCHDOG_CORE 8972cbc5cd0SBiju Das help 8982cbc5cd0SBiju Das This driver adds watchdog support for the integrated watchdogs in the 8992cbc5cd0SBiju Das Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 9002cbc5cd0SBiju Das 901efa859f7SJoel Stanleyconfig ASPEED_WATCHDOG 9022050dd06SAndrew Jeffery tristate "Aspeed BMC watchdog support" 903efa859f7SJoel Stanley depends on ARCH_ASPEED || COMPILE_TEST 904efa859f7SJoel Stanley select WATCHDOG_CORE 905efa859f7SJoel Stanley help 906efa859f7SJoel Stanley Say Y here to include support for the watchdog timer 907ffff023aSAndrew Jeffery in Aspeed BMC SoCs. 908efa859f7SJoel Stanley 909efa859f7SJoel Stanley This driver is required to reboot the SoC. 910efa859f7SJoel Stanley 911efa859f7SJoel Stanley To compile this driver as a module, choose M here: the 912efa859f7SJoel Stanley module will be called aspeed_wdt. 913efa859f7SJoel Stanley 9144332d113SYannick Fertreconfig STM32_WATCHDOG 9154332d113SYannick Fertre tristate "STM32 Independent WatchDoG (IWDG) support" 9164332d113SYannick Fertre depends on ARCH_STM32 9174332d113SYannick Fertre select WATCHDOG_CORE 9184332d113SYannick Fertre default y 9194332d113SYannick Fertre help 9204332d113SYannick Fertre Say Y here to include support for the watchdog timer 9214332d113SYannick Fertre in stm32 SoCs. 9224332d113SYannick Fertre 9234332d113SYannick Fertre To compile this driver as a module, choose M here: the 9244332d113SYannick Fertre module will be called stm32_iwdg. 9254332d113SYannick Fertre 92628804c2cSPascal PAILLET-LMEconfig STPMIC1_WATCHDOG 92728804c2cSPascal PAILLET-LME tristate "STPMIC1 PMIC watchdog support" 92828804c2cSPascal PAILLET-LME depends on MFD_STPMIC1 92928804c2cSPascal PAILLET-LME select WATCHDOG_CORE 93028804c2cSPascal PAILLET-LME help 93128804c2cSPascal PAILLET-LME Say Y here to include watchdog support embedded into STPMIC1 PMIC. 93228804c2cSPascal PAILLET-LME If the watchdog timer expires, stpmic1 will shut down all its power 93328804c2cSPascal PAILLET-LME supplies. 93428804c2cSPascal PAILLET-LME 93528804c2cSPascal PAILLET-LME To compile this driver as a module, choose M here: the 93628804c2cSPascal PAILLET-LME module will be called spmic1_wdt. 93728804c2cSPascal PAILLET-LME 938e7bf0289SKeiji Hayashibaraconfig UNIPHIER_WATCHDOG 939e7bf0289SKeiji Hayashibara tristate "UniPhier watchdog support" 940e7bf0289SKeiji Hayashibara depends on ARCH_UNIPHIER || COMPILE_TEST 941e7bf0289SKeiji Hayashibara depends on OF && MFD_SYSCON 942e7bf0289SKeiji Hayashibara select WATCHDOG_CORE 943e7bf0289SKeiji Hayashibara help 944e7bf0289SKeiji Hayashibara Say Y here to include support watchdog timer embedded 945e7bf0289SKeiji Hayashibara into the UniPhier system. 946e7bf0289SKeiji Hayashibara 947e7bf0289SKeiji Hayashibara To compile this driver as a module, choose M here: the 948e7bf0289SKeiji Hayashibara module will be called uniphier_wdt. 949e7bf0289SKeiji Hayashibara 9502bdf6acbSAndreas Färberconfig RTD119X_WATCHDOG 9512bdf6acbSAndreas Färber bool "Realtek RTD119x/RTD129x watchdog support" 9522bdf6acbSAndreas Färber depends on ARCH_REALTEK || COMPILE_TEST 9532bdf6acbSAndreas Färber depends on OF 9542bdf6acbSAndreas Färber select WATCHDOG_CORE 9552bdf6acbSAndreas Färber default ARCH_REALTEK 956b7e04f8cSWim Van Sebroeck help 9572bdf6acbSAndreas Färber Say Y here to include support for the watchdog timer in 9582bdf6acbSAndreas Färber Realtek RTD1295 SoCs. 9592bdf6acbSAndreas Färber 9607d7267aeSSander Vanheuleconfig REALTEK_OTTO_WDT 9617d7267aeSSander Vanheule tristate "Realtek Otto MIPS watchdog support" 9627d7267aeSSander Vanheule depends on MACH_REALTEK_RTL || COMPILE_TEST 9637d7267aeSSander Vanheule depends on COMMON_CLK 9647d7267aeSSander Vanheule select WATCHDOG_CORE 9657d7267aeSSander Vanheule default MACH_REALTEK_RTL 9667d7267aeSSander Vanheule help 9677d7267aeSSander Vanheule Say Y here to include support for the watchdog timer on Realtek 9687d7267aeSSander Vanheule RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 9697d7267aeSSander Vanheule notifications and system reset on timeout. 9707d7267aeSSander Vanheule 9717d7267aeSSander Vanheule When built as a module this will be called realtek_otto_wdt. 9727d7267aeSSander Vanheule 97347760346SEric Longconfig SPRD_WATCHDOG 97447760346SEric Long tristate "Spreadtrum watchdog support" 97547760346SEric Long depends on ARCH_SPRD || COMPILE_TEST 97647760346SEric Long select WATCHDOG_CORE 97747760346SEric Long help 97847760346SEric Long Say Y here to include watchdog timer supported 97947760346SEric Long by Spreadtrum system. 980b7e04f8cSWim Van Sebroeck 981969c0accSLoic Poulainconfig PM8916_WATCHDOG 982969c0accSLoic Poulain tristate "QCOM PM8916 pmic watchdog" 983969c0accSLoic Poulain depends on OF && MFD_SPMI_PMIC 984969c0accSLoic Poulain select WATCHDOG_CORE 985969c0accSLoic Poulain help 986969c0accSLoic Poulain Say Y here to include support watchdog timer embedded into the 987969c0accSLoic Poulain pm8916 module. 988969c0accSLoic Poulain 989c5b8e464SNobuhiro Iwamatsuconfig VISCONTI_WATCHDOG 990c5b8e464SNobuhiro Iwamatsu tristate "Toshiba Visconti series watchdog support" 991c5b8e464SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 992c5b8e464SNobuhiro Iwamatsu select WATCHDOG_CORE 993c5b8e464SNobuhiro Iwamatsu help 994c5b8e464SNobuhiro Iwamatsu Say Y here to include support for the watchdog timer in Toshiba 995c5b8e464SNobuhiro Iwamatsu Visconti SoCs. 996c5b8e464SNobuhiro Iwamatsu 997e9800b79SDaniel Palmerconfig MSC313E_WATCHDOG 998e9800b79SDaniel Palmer tristate "MStar MSC313e watchdog" 999e9800b79SDaniel Palmer depends on ARCH_MSTARV7 || COMPILE_TEST 1000e9800b79SDaniel Palmer select WATCHDOG_CORE 1001e9800b79SDaniel Palmer help 1002e9800b79SDaniel Palmer Say Y here to include support for the Watchdog timer embedded 1003e9800b79SDaniel Palmer into MStar MSC313e chips. This will reboot your system when the 1004e9800b79SDaniel Palmer timeout is reached. 1005e9800b79SDaniel Palmer 1006e9800b79SDaniel Palmer To compile this driver as a module, choose M here: the 1007e9800b79SDaniel Palmer module will be called msc313e_wdt. 1008e9800b79SDaniel Palmer 10094ed224aeSSven Peterconfig APPLE_WATCHDOG 10104ed224aeSSven Peter tristate "Apple SoC watchdog" 10114ed224aeSSven Peter depends on ARCH_APPLE || COMPILE_TEST 10124ed224aeSSven Peter select WATCHDOG_CORE 10134ed224aeSSven Peter help 10144ed224aeSSven Peter Say Y here to include support for the Watchdog found in Apple 10154ed224aeSSven Peter SoCs such as the M1. Next to the common watchdog features this 10164ed224aeSSven Peter driver is also required in order to reboot these SoCs. 10174ed224aeSSven Peter 10184ed224aeSSven Peter To compile this driver as a module, choose M here: the 10194ed224aeSSven Peter module will be called apple_wdt. 10204ed224aeSSven Peter 1021daf42866SXiantao Huconfig SUNPLUS_WATCHDOG 1022daf42866SXiantao Hu tristate "Sunplus watchdog support" 1023daf42866SXiantao Hu depends on ARCH_SUNPLUS || COMPILE_TEST 1024daf42866SXiantao Hu select WATCHDOG_CORE 1025daf42866SXiantao Hu help 1026daf42866SXiantao Hu Say Y here to include support for the watchdog timer 1027daf42866SXiantao Hu in Sunplus SoCs. 1028daf42866SXiantao Hu 1029daf42866SXiantao Hu To compile this driver as a module, choose M here: the 1030daf42866SXiantao Hu module will be called sunplus_wdt. 1031daf42866SXiantao Hu 1032b7e04f8cSWim Van Sebroeck# X86 (i386 + ia64 + x86_64) Architecture 1033b7e04f8cSWim Van Sebroeck 1034b7e04f8cSWim Van Sebroeckconfig ACQUIRE_WDT 1035b7e04f8cSWim Van Sebroeck tristate "Acquire SBC Watchdog Timer" 1036b7e04f8cSWim Van Sebroeck depends on X86 1037a7f7f624SMasahiro Yamada help 1038b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on Single Board 1039b7e04f8cSWim Van Sebroeck Computers produced by Acquire Inc (and others). This watchdog 1040b7e04f8cSWim Van Sebroeck simply watches your kernel to make sure it doesn't freeze, and if 1041b7e04f8cSWim Van Sebroeck it does, it reboots your computer after a certain amount of time. 1042b7e04f8cSWim Van Sebroeck 1043b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1044b7e04f8cSWim Van Sebroeck module will be called acquirewdt. 1045b7e04f8cSWim Van Sebroeck 1046b7e04f8cSWim Van Sebroeck Most people will say N. 1047b7e04f8cSWim Van Sebroeck 1048b7e04f8cSWim Van Sebroeckconfig ADVANTECH_WDT 1049b7e04f8cSWim Van Sebroeck tristate "Advantech SBC Watchdog Timer" 1050b7e04f8cSWim Van Sebroeck depends on X86 1051b7e04f8cSWim Van Sebroeck help 1052b7e04f8cSWim Van Sebroeck If you are configuring a Linux kernel for the Advantech single-board 1053b7e04f8cSWim Van Sebroeck computer, say `Y' here to support its built-in watchdog timer 1054b7e04f8cSWim Van Sebroeck feature. More information can be found at 10552ab77a34SAlexander A. Klimov <https://www.advantech.com.tw/products/> 1056b7e04f8cSWim Van Sebroeck 105708435c2aSThomas Kastnerconfig ADVANTECH_EC_WDT 105808435c2aSThomas Kastner tristate "Advantech Embedded Controller Watchdog Timer" 105908435c2aSThomas Kastner depends on X86 106008435c2aSThomas Kastner help 106108435c2aSThomas Kastner This driver supports Advantech products with ITE based Embedded Controller. 106208435c2aSThomas Kastner It does not support Advantech products with other ECs or without EC. 106308435c2aSThomas Kastner 1064b7e04f8cSWim Van Sebroeckconfig ALIM1535_WDT 1065b7e04f8cSWim Van Sebroeck tristate "ALi M1535 PMU Watchdog Timer" 1066b7e04f8cSWim Van Sebroeck depends on X86 && PCI 1067a7f7f624SMasahiro Yamada help 1068b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M1535 PMU. 1069b7e04f8cSWim Van Sebroeck 1070b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1071b7e04f8cSWim Van Sebroeck module will be called alim1535_wdt. 1072b7e04f8cSWim Van Sebroeck 1073b7e04f8cSWim Van Sebroeck Most people will say N. 1074b7e04f8cSWim Van Sebroeck 1075b7e04f8cSWim Van Sebroeckconfig ALIM7101_WDT 1076b7e04f8cSWim Van Sebroeck tristate "ALi M7101 PMU Computer Watchdog" 1077bdd87354SAlexander Clouter depends on PCI 1078b7e04f8cSWim Van Sebroeck help 1079b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M7101 PMU 1080bdd87354SAlexander Clouter as used in the x86 Cobalt servers and also found in some 1081bdd87354SAlexander Clouter SPARC Netra servers too. 1082b7e04f8cSWim Van Sebroeck 1083b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1084b7e04f8cSWim Van Sebroeck module will be called alim7101_wdt. 1085b7e04f8cSWim Van Sebroeck 1086b7e04f8cSWim Van Sebroeck Most people will say N. 1087b7e04f8cSWim Van Sebroeck 1088c36a483dSWilliam Breathitt Grayconfig EBC_C384_WDT 1089c36a483dSWilliam Breathitt Gray tristate "WinSystems EBC-C384 Watchdog Timer" 1090ccfe35eaSWilliam Breathitt Gray depends on X86 1091ccfe35eaSWilliam Breathitt Gray select ISA_BUS_API 1092c36a483dSWilliam Breathitt Gray select WATCHDOG_CORE 1093c36a483dSWilliam Breathitt Gray help 1094c36a483dSWilliam Breathitt Gray Enables watchdog timer support for the watchdog timer on the 1095c36a483dSWilliam Breathitt Gray WinSystems EBC-C384 motherboard. The timeout may be configured via 1096c36a483dSWilliam Breathitt Gray the timeout module parameter. 1097c36a483dSWilliam Breathitt Gray 109881126222SDavid Müllerconfig EXAR_WDT 109981126222SDavid Müller tristate "Exar Watchdog Timer" 110081126222SDavid Müller depends on X86 110181126222SDavid Müller select WATCHDOG_CORE 110281126222SDavid Müller help 110381126222SDavid Müller Enables watchdog timer support for the watchdog timer present 110481126222SDavid Müller in some Exar/MaxLinear UART chips like the XR28V38x. 110581126222SDavid Müller 110681126222SDavid Müller To compile this driver as a module, choose M here: the 110781126222SDavid Müller module will be called exar_wdt. 110881126222SDavid Müller 110996cb4eb0SGiel van Schijndelconfig F71808E_WDT 1110166fbcf8SMaciej S. Szmigiero tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1111e1926349SKees Cook depends on X86 11128bea27edSAhmad Fatoum select WATCHDOG_CORE 111396cb4eb0SGiel van Schijndel help 1114166fbcf8SMaciej S. Szmigiero This is the driver for the hardware watchdog on the Fintek F71808E, 1115ca2fc5efSJaret Cantu F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1116ca2fc5efSJaret Cantu F81866 Super I/O controllers. 111796cb4eb0SGiel van Schijndel 111896cb4eb0SGiel van Schijndel You can compile this driver directly into the kernel, or use 111996cb4eb0SGiel van Schijndel it as a module. The module will be called f71808e_wdt. 112096cb4eb0SGiel van Schijndel 112115e28bf1SPriyanka Guptaconfig SP5100_TCO 112215e28bf1SPriyanka Gupta tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 112315e28bf1SPriyanka Gupta depends on X86 && PCI 1124a17f4f03SWim Van Sebroeck select WATCHDOG_CORE 1125a7f7f624SMasahiro Yamada help 112615e28bf1SPriyanka Gupta Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 112715e28bf1SPriyanka Gupta (Total Cost of Ownership) timer is a watchdog timer that will reboot 112815e28bf1SPriyanka Gupta the machine after its expiration. The expiration time can be 112915e28bf1SPriyanka Gupta configured with the "heartbeat" parameter. 113015e28bf1SPriyanka Gupta 113115e28bf1SPriyanka Gupta To compile this driver as a module, choose M here: the 113215e28bf1SPriyanka Gupta module will be called sp5100_tco. 113396cb4eb0SGiel van Schijndel 11340b36086bSJordan Crouseconfig GEODE_WDT 11350b36086bSJordan Crouse tristate "AMD Geode CS5535/CS5536 Watchdog" 11360369fdf2SArnd Bergmann depends on CS5535_MFGPT 11370b36086bSJordan Crouse help 11380b36086bSJordan Crouse This driver enables a watchdog capability built into the 11390b36086bSJordan Crouse CS5535/CS5536 companion chips for the AMD Geode GX and LX 11400b36086bSJordan Crouse processors. This watchdog watches your kernel to make sure 11410b36086bSJordan Crouse it doesn't freeze, and if it does, it reboots your computer after 11420b36086bSJordan Crouse a certain amount of time. 11430b36086bSJordan Crouse 11440b36086bSJordan Crouse You can compile this driver directly into the kernel, or use 11450b36086bSJordan Crouse it as a module. The module will be called geodewdt. 11460b36086bSJordan Crouse 1147b7e04f8cSWim Van Sebroeckconfig SC520_WDT 1148b7e04f8cSWim Van Sebroeck tristate "AMD Elan SC520 processor Watchdog" 1149da2a68b3SGuenter Roeck depends on MELAN || COMPILE_TEST 1150b7e04f8cSWim Van Sebroeck help 1151b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog built in to the 1152b7e04f8cSWim Van Sebroeck AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1153b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1154b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1155b7e04f8cSWim Van Sebroeck amount of time. 1156b7e04f8cSWim Van Sebroeck 1157b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1158b7e04f8cSWim Van Sebroeck it as a module. The module will be called sc520_wdt. 1159b7e04f8cSWim Van Sebroeck 11603a5f9000SDenis Turischevconfig SBC_FITPC2_WATCHDOG 11613a5f9000SDenis Turischev tristate "Compulab SBC-FITPC2 watchdog" 11623a5f9000SDenis Turischev depends on X86 1163a7f7f624SMasahiro Yamada help 1164ef39a1bfSDenis Turischev This is the driver for the built-in watchdog timer on the fit-PC2, 1165ef39a1bfSDenis Turischev fit-PC2i, CM-iAM single-board computers made by Compulab. 11663a5f9000SDenis Turischev 116701028829SRandy Dunlap It's possible to enable the watchdog timer either from BIOS (F2) or 116801028829SRandy Dunlap from booted Linux. 116901028829SRandy Dunlap When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 117001028829SRandy Dunlap operational range. 11713a5f9000SDenis Turischev 117201028829SRandy Dunlap Entering BIOS setup temporarily disables watchdog operation regardless 117301028829SRandy Dunlap of current state, so system will not be restarted while user is in 117401028829SRandy Dunlap BIOS setup. 11753a5f9000SDenis Turischev 117601028829SRandy Dunlap Once the watchdog is enabled the system will be restarted every 11773a5f9000SDenis Turischev "Watchdog Timer Value" period, so to prevent it user can restart or 11783a5f9000SDenis Turischev disable the watchdog. 11793a5f9000SDenis Turischev 11803a5f9000SDenis Turischev To compile this driver as a module, choose M here: the 11813a5f9000SDenis Turischev module will be called sbc_fitpc2_wdt. 11823a5f9000SDenis Turischev 11833a5f9000SDenis Turischev Most people will say N. 11843a5f9000SDenis Turischev 1185b7e04f8cSWim Van Sebroeckconfig EUROTECH_WDT 1186b7e04f8cSWim Van Sebroeck tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1187b7e04f8cSWim Van Sebroeck depends on X86 1188b7e04f8cSWim Van Sebroeck help 1189b7e04f8cSWim Van Sebroeck Enable support for the watchdog timer on the Eurotech CPU-1220 and 1190b7e04f8cSWim Van Sebroeck CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1191b7e04f8cSWim Van Sebroeck information are at <http://www.eurotech.it/>. 1192b7e04f8cSWim Van Sebroeck 1193b7e04f8cSWim Van Sebroeckconfig IB700_WDT 1194b7e04f8cSWim Van Sebroeck tristate "IB700 SBC Watchdog Timer" 1195b7e04f8cSWim Van Sebroeck depends on X86 1196a7f7f624SMasahiro Yamada help 1197b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the IB700 Single 119801028829SRandy Dunlap Board Computer produced by TMC Technology (www.tmc-uk.com). This 119901028829SRandy Dunlap watchdog simply watches your kernel to make sure it doesn't freeze, 120001028829SRandy Dunlap and if it does, it reboots your computer after a certain amount of time. 1201b7e04f8cSWim Van Sebroeck 120201028829SRandy Dunlap This driver is like the WDT501 driver but for slightly different 120301028829SRandy Dunlap hardware. 1204b7e04f8cSWim Van Sebroeck 1205b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1206b7e04f8cSWim Van Sebroeck module will be called ib700wdt. 1207b7e04f8cSWim Van Sebroeck 1208b7e04f8cSWim Van Sebroeck Most people will say N. 1209b7e04f8cSWim Van Sebroeck 1210b7e04f8cSWim Van Sebroeckconfig IBMASR 1211b7e04f8cSWim Van Sebroeck tristate "IBM Automatic Server Restart" 1212b7e04f8cSWim Van Sebroeck depends on X86 1213b7e04f8cSWim Van Sebroeck help 1214b7e04f8cSWim Van Sebroeck This is the driver for the IBM Automatic Server Restart watchdog 1215b7e04f8cSWim Van Sebroeck timer built-in into some eServer xSeries machines. 1216b7e04f8cSWim Van Sebroeck 1217b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1218b7e04f8cSWim Van Sebroeck module will be called ibmasr. 1219b7e04f8cSWim Van Sebroeck 1220b7e04f8cSWim Van Sebroeckconfig WAFER_WDT 122101ed08c1SVeljkovic Srdjan tristate "ICP Single Board Computer Watchdog Timer" 1222b7e04f8cSWim Van Sebroeck depends on X86 1223b7e04f8cSWim Van Sebroeck help 122401ed08c1SVeljkovic Srdjan This is a driver for the hardware watchdog on the ICP Single 122501ed08c1SVeljkovic Srdjan Board Computer. This driver is working on (at least) the following 122601ed08c1SVeljkovic Srdjan IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1227b7e04f8cSWim Van Sebroeck 1228b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1229b7e04f8cSWim Van Sebroeck module will be called wafer5823wdt. 1230b7e04f8cSWim Van Sebroeck 1231b7e04f8cSWim Van Sebroeckconfig I6300ESB_WDT 1232b7e04f8cSWim Van Sebroeck tristate "Intel 6300ESB Timer/Watchdog" 12337050bd54SMichael Olbrich depends on PCI 12347e2e5158SMatteo Croce select WATCHDOG_CORE 1235a7f7f624SMasahiro Yamada help 1236b7e04f8cSWim Van Sebroeck Hardware driver for the watchdog timer built into the Intel 1237b7e04f8cSWim Van Sebroeck 6300ESB controller hub. 1238b7e04f8cSWim Van Sebroeck 1239b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1240b7e04f8cSWim Van Sebroeck module will be called i6300esb. 1241b7e04f8cSWim Van Sebroeck 1242101ce87bSAlexander Steinconfig IE6XX_WDT 1243101ce87bSAlexander Stein tristate "Intel Atom E6xx Watchdog" 1244101ce87bSAlexander Stein depends on X86 && PCI 1245101ce87bSAlexander Stein select WATCHDOG_CORE 1246101ce87bSAlexander Stein select MFD_CORE 1247101ce87bSAlexander Stein select LPC_SCH 1248a7f7f624SMasahiro Yamada help 1249101ce87bSAlexander Stein Hardware driver for the watchdog timer built into the Intel 1250101ce87bSAlexander Stein Atom E6XX (TunnelCreek) processor. 1251101ce87bSAlexander Stein 1252101ce87bSAlexander Stein To compile this driver as a module, choose M here: the 1253101ce87bSAlexander Stein module will be called ie6xx_wdt. 1254101ce87bSAlexander Stein 125587a1ef80SDavid Cohenconfig INTEL_MID_WATCHDOG 125687a1ef80SDavid Cohen tristate "Intel MID Watchdog Timer" 125787a1ef80SDavid Cohen depends on X86_INTEL_MID 125887a1ef80SDavid Cohen select WATCHDOG_CORE 1259a7f7f624SMasahiro Yamada help 126087a1ef80SDavid Cohen Watchdog timer driver built into the Intel SCU for Intel MID 126187a1ef80SDavid Cohen Platforms. 126287a1ef80SDavid Cohen 126387a1ef80SDavid Cohen This driver currently supports only the watchdog evolution 126487a1ef80SDavid Cohen implementation in SCU, available for Merrifield generation. 126587a1ef80SDavid Cohen 126687a1ef80SDavid Cohen To compile this driver as a module, choose M here. 126787a1ef80SDavid Cohen 1268b7e04f8cSWim Van Sebroeckconfig ITCO_WDT 1269b7e04f8cSWim Van Sebroeck tristate "Intel TCO Timer/Watchdog" 1270b7e04f8cSWim Van Sebroeck depends on (X86 || IA64) && PCI 1271bff23431SWim Van Sebroeck select WATCHDOG_CORE 12723cef072dSGuenter Roeck depends on I2C || I2C=n 1273b30c1a46SArnd Bergmann depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 12742a7a0e9bSMatt Fleming select LPC_ICH if !EXPERT 12753cef072dSGuenter Roeck select I2C_I801 if !EXPERT && I2C 1276a7f7f624SMasahiro Yamada help 1277b7e04f8cSWim Van Sebroeck Hardware driver for the intel TCO timer based watchdog devices. 1278b7e04f8cSWim Van Sebroeck These drivers are included in the Intel 82801 I/O Controller 127912d60e28SWim Van Sebroeck Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1280b7e04f8cSWim Van Sebroeck controller hub. 1281b7e04f8cSWim Van Sebroeck 1282b7e04f8cSWim Van Sebroeck The TCO (Total Cost of Ownership) timer is a watchdog timer 1283b7e04f8cSWim Van Sebroeck that will reboot the machine after its second expiration. The 1284b7e04f8cSWim Van Sebroeck expiration time can be configured with the "heartbeat" parameter. 1285b7e04f8cSWim Van Sebroeck 1286b7e04f8cSWim Van Sebroeck On some motherboards the driver may fail to reset the chipset's 1287b7e04f8cSWim Van Sebroeck NO_REBOOT flag which prevents the watchdog from rebooting the 1288b7e04f8cSWim Van Sebroeck machine. If this is the case you will get a kernel message like 1289b7e04f8cSWim Van Sebroeck "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1290b7e04f8cSWim Van Sebroeck 1291b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1292b7e04f8cSWim Van Sebroeck module will be called iTCO_wdt. 1293b7e04f8cSWim Van Sebroeck 1294b7e04f8cSWim Van Sebroeckconfig ITCO_VENDOR_SUPPORT 1295b7e04f8cSWim Van Sebroeck bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1296b7e04f8cSWim Van Sebroeck depends on ITCO_WDT 1297a7f7f624SMasahiro Yamada help 1298b7e04f8cSWim Van Sebroeck Add vendor specific support to the intel TCO timer based watchdog 1299b7e04f8cSWim Van Sebroeck devices. At this moment we only have additional support for some 1300b7e04f8cSWim Van Sebroeck SuperMicro Inc. motherboards. 1301b7e04f8cSWim Van Sebroeck 130238ff6fd2SJorge Boncompte [DTI2]config IT8712F_WDT 130338ff6fd2SJorge Boncompte [DTI2] tristate "IT8712F (Smart Guardian) Watchdog Timer" 130438ff6fd2SJorge Boncompte [DTI2] depends on X86 1305a7f7f624SMasahiro Yamada help 130638ff6fd2SJorge Boncompte [DTI2] This is the driver for the built-in watchdog timer on the IT8712F 130738ff6fd2SJorge Boncompte [DTI2] Super I/0 chipset used on many motherboards. 130838ff6fd2SJorge Boncompte [DTI2] 13094fc36808SWim Van Sebroeck If the driver does not work, then make sure that the game port in 13104fc36808SWim Van Sebroeck the BIOS is enabled. 13114fc36808SWim Van Sebroeck 131238ff6fd2SJorge Boncompte [DTI2] To compile this driver as a module, choose M here: the 131338ff6fd2SJorge Boncompte [DTI2] module will be called it8712f_wdt. 131438ff6fd2SJorge Boncompte [DTI2] 1315e1fee94fSOliver Schusterconfig IT87_WDT 1316e1fee94fSOliver Schuster tristate "IT87 Watchdog Timer" 1317e1926349SKees Cook depends on X86 13181d7b8039SGuenter Roeck select WATCHDOG_CORE 1319a7f7f624SMasahiro Yamada help 1320cddda07cSGuenter Roeck This is the driver for the hardware watchdog on the ITE IT8607, 1321cddda07cSGuenter Roeck IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1322cddda07cSGuenter Roeck IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1323cddda07cSGuenter Roeck IT8783 Super I/O chips. 1324198ca015SDiego Elio Pettenò 1325dfb0b8eaSOndrej Zajicek This watchdog simply watches your kernel to make sure it doesn't 1326dfb0b8eaSOndrej Zajicek freeze, and if it does, it reboots your computer after a certain 1327dfb0b8eaSOndrej Zajicek amount of time. 1328e1fee94fSOliver Schuster 1329e1fee94fSOliver Schuster To compile this driver as a module, choose M here: the module will 1330e1fee94fSOliver Schuster be called it87_wdt. 1331e1fee94fSOliver Schuster 13327f4da474SThomas Mingarelliconfig HP_WATCHDOG 1333ea6649c7SNaga Chumbalkar tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1334d0a4027fSJerry Hoemann select WATCHDOG_CORE 1335891862d5SJerry Hoemann depends on (ARM64 || X86) && PCI 13367f4da474SThomas Mingarelli help 133700fd20b4SJerry Hoemann A software monitoring watchdog and NMI handling driver. This driver 133886ded1f3Sdann frazier will detect lockups and provide a stack trace. This is a driver that 1339ea6649c7SNaga Chumbalkar will only load on an HP ProLiant system with a minimum of iLO2 support. 134086ded1f3Sdann frazier To compile this driver as a module, choose M here: the module will be 134186ded1f3Sdann frazier called hpwdt. 134286ded1f3Sdann frazier 1343345f1625SGuenter Roeckconfig HPWDT_NMI_DECODING 1344345f1625SGuenter Roeck bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1345891862d5SJerry Hoemann depends on X86 && HP_WATCHDOG 1346345f1625SGuenter Roeck default y 1347345f1625SGuenter Roeck help 1348345f1625SGuenter Roeck Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1349345f1625SGuenter Roeck "Generate NMI to System" virtual button. When an NMI is claimed 1350345f1625SGuenter Roeck by the driver, panic is called. 1351345f1625SGuenter Roeck 1352e51c288eSKevin Strasserconfig KEMPLD_WDT 1353e51c288eSKevin Strasser tristate "Kontron COM Watchdog Timer" 1354ed4a9ecaSArnd Bergmann depends on MFD_KEMPLD 1355e51c288eSKevin Strasser select WATCHDOG_CORE 1356e51c288eSKevin Strasser help 1357e51c288eSKevin Strasser Support for the PLD watchdog on some Kontron ETX and COMexpress 1358e51c288eSKevin Strasser (ETXexpress) modules 1359e51c288eSKevin Strasser 1360e51c288eSKevin Strasser This driver can also be built as a module. If so, the module will be 1361e51c288eSKevin Strasser called kempld_wdt. 1362e51c288eSKevin Strasser 1363b7e04f8cSWim Van Sebroeckconfig SC1200_WDT 1364b7e04f8cSWim Van Sebroeck tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1365b7e04f8cSWim Van Sebroeck depends on X86 1366b7e04f8cSWim Van Sebroeck help 1367b7e04f8cSWim Van Sebroeck This is a driver for National Semiconductor PC87307/PC97307 hardware 1368b7e04f8cSWim Van Sebroeck watchdog cards as found on the SC1200. This watchdog is mainly used 1369b7e04f8cSWim Van Sebroeck for power management purposes and can be used to power down the device 1370b7e04f8cSWim Van Sebroeck during inactivity periods (includes interrupt activity monitoring). 1371b7e04f8cSWim Van Sebroeck 1372b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1373b7e04f8cSWim Van Sebroeck module will be called sc1200wdt. 1374b7e04f8cSWim Van Sebroeck 1375b7e04f8cSWim Van Sebroeck Most people will say N. 1376b7e04f8cSWim Van Sebroeck 1377b7e04f8cSWim Van Sebroeckconfig SCx200_WDT 1378b7e04f8cSWim Van Sebroeck tristate "National Semiconductor SCx200 Watchdog" 1379b7e04f8cSWim Van Sebroeck depends on SCx200 && PCI 1380b7e04f8cSWim Van Sebroeck help 1381b7e04f8cSWim Van Sebroeck Enable the built-in watchdog timer support on the National 1382b7e04f8cSWim Van Sebroeck Semiconductor SCx200 processors. 1383b7e04f8cSWim Van Sebroeck 1384b7e04f8cSWim Van Sebroeck If compiled as a module, it will be called scx200_wdt. 1385b7e04f8cSWim Van Sebroeck 1386b7e04f8cSWim Van Sebroeckconfig PC87413_WDT 1387b7e04f8cSWim Van Sebroeck tristate "NS PC87413 watchdog" 1388b7e04f8cSWim Van Sebroeck depends on X86 1389a7f7f624SMasahiro Yamada help 1390b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the PC87413 chipset 1391b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1392b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1393b7e04f8cSWim Van Sebroeck amount of time. 1394b7e04f8cSWim Van Sebroeck 1395b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1396b7e04f8cSWim Van Sebroeck module will be called pc87413_wdt. 1397b7e04f8cSWim Van Sebroeck 1398b7e04f8cSWim Van Sebroeck Most people will say N. 1399b7e04f8cSWim Van Sebroeck 1400456c7301SMike Waychisonconfig NV_TCO 1401456c7301SMike Waychison tristate "nVidia TCO Timer/Watchdog" 1402456c7301SMike Waychison depends on X86 && PCI 1403a7f7f624SMasahiro Yamada help 1404456c7301SMike Waychison Hardware driver for the TCO timer built into the nVidia Hub family 1405456c7301SMike Waychison (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1406456c7301SMike Waychison watchdog timer that will reboot the machine after its second 1407456c7301SMike Waychison expiration. The expiration time can be configured with the 1408456c7301SMike Waychison "heartbeat" parameter. 1409456c7301SMike Waychison 1410456c7301SMike Waychison On some motherboards the driver may fail to reset the chipset's 1411456c7301SMike Waychison NO_REBOOT flag which prevents the watchdog from rebooting the 1412456c7301SMike Waychison machine. If this is the case you will get a kernel message like 1413456c7301SMike Waychison "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1414456c7301SMike Waychison 1415456c7301SMike Waychison To compile this driver as a module, choose M here: the 1416456c7301SMike Waychison module will be called nv_tco. 1417456c7301SMike Waychison 1418b3e8f2c1SFlorian Fainelliconfig RDC321X_WDT 1419b3e8f2c1SFlorian Fainelli tristate "RDC R-321x SoC watchdog" 1420da2a68b3SGuenter Roeck depends on X86_RDC321X || COMPILE_TEST 14218751f90cSGuenter Roeck depends on PCI 1422b3e8f2c1SFlorian Fainelli help 1423b3e8f2c1SFlorian Fainelli This is the driver for the built in hardware watchdog 1424b3e8f2c1SFlorian Fainelli in the RDC R-321x SoC. 1425b3e8f2c1SFlorian Fainelli 1426b3e8f2c1SFlorian Fainelli To compile this driver as a module, choose M here: the 1427b3e8f2c1SFlorian Fainelli module will be called rdc321x_wdt. 1428b3e8f2c1SFlorian Fainelli 1429b7e04f8cSWim Van Sebroeckconfig 60XX_WDT 1430b7e04f8cSWim Van Sebroeck tristate "SBC-60XX Watchdog Timer" 1431b7e04f8cSWim Van Sebroeck depends on X86 1432b7e04f8cSWim Van Sebroeck help 1433b7e04f8cSWim Van Sebroeck This driver can be used with the watchdog timer found on some 1434b7e04f8cSWim Van Sebroeck single board computers, namely the 6010 PII based computer. 1435b7e04f8cSWim Van Sebroeck It may well work with other cards. It reads port 0x443 to enable 1436b7e04f8cSWim Van Sebroeck and re-set the watchdog timer, and reads port 0x45 to disable 1437b7e04f8cSWim Van Sebroeck the watchdog. If you have a card that behave in similar ways, 1438b7e04f8cSWim Van Sebroeck you can probably make this driver work with your card as well. 1439b7e04f8cSWim Van Sebroeck 1440b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1441b7e04f8cSWim Van Sebroeck it as a module. The module will be called sbc60xxwdt. 1442b7e04f8cSWim Van Sebroeck 1443b7e04f8cSWim Van Sebroeckconfig SBC8360_WDT 1444b7e04f8cSWim Van Sebroeck tristate "SBC8360 Watchdog Timer" 14451e8c8a5bSJean Delvare depends on X86_32 1446a7f7f624SMasahiro Yamada help 1447b7e04f8cSWim Van Sebroeck 1448b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the SBC8360 Single 1449b7e04f8cSWim Van Sebroeck Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1450b7e04f8cSWim Van Sebroeck 1451b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 14524737f097SPavel Machek module will be called sbc8360. 1453b7e04f8cSWim Van Sebroeck 1454b7e04f8cSWim Van Sebroeck Most people will say N. 1455b7e04f8cSWim Van Sebroeck 1456c4c28335SGilles Giganconfig SBC7240_WDT 1457c4c28335SGilles Gigan tristate "SBC Nano 7240 Watchdog Timer" 14583369465eSAl Viro depends on X86_32 && !UML 1459a7f7f624SMasahiro Yamada help 1460c4c28335SGilles Gigan This is the driver for the hardware watchdog found on the IEI 1461c4c28335SGilles Gigan single board computers EPIC Nano 7240 (and likely others). This 1462c4c28335SGilles Gigan watchdog simply watches your kernel to make sure it doesn't freeze, 1463c4c28335SGilles Gigan and if it does, it reboots your computer after a certain amount of 1464c4c28335SGilles Gigan time. 1465c4c28335SGilles Gigan 1466c4c28335SGilles Gigan To compile this driver as a module, choose M here: the 1467c4c28335SGilles Gigan module will be called sbc7240_wdt. 1468c4c28335SGilles Gigan 1469b7e04f8cSWim Van Sebroeckconfig CPU5_WDT 1470b7e04f8cSWim Van Sebroeck tristate "SMA CPU5 Watchdog" 1471b7e04f8cSWim Van Sebroeck depends on X86 1472a7f7f624SMasahiro Yamada help 1473b7e04f8cSWim Van Sebroeck TBD. 1474b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1475b7e04f8cSWim Van Sebroeck module will be called cpu5wdt. 1476b7e04f8cSWim Van Sebroeck 14774c6e63bdSWim Van Sebroeckconfig SMSC_SCH311X_WDT 14784c6e63bdSWim Van Sebroeck tristate "SMSC SCH311X Watchdog Timer" 14794c6e63bdSWim Van Sebroeck depends on X86 1480a7f7f624SMasahiro Yamada help 14814c6e63bdSWim Van Sebroeck This is the driver for the hardware watchdog timer on the 14824c6e63bdSWim Van Sebroeck SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 14834c6e63bdSWim Van Sebroeck (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 14844c6e63bdSWim Van Sebroeck serial ports). 14854c6e63bdSWim Van Sebroeck 14864c6e63bdSWim Van Sebroeck To compile this driver as a module, choose M here: the 14874c6e63bdSWim Van Sebroeck module will be called sch311x_wdt. 14884c6e63bdSWim Van Sebroeck 1489b7e04f8cSWim Van Sebroeckconfig SMSC37B787_WDT 1490b7e04f8cSWim Van Sebroeck tristate "Winbond SMsC37B787 Watchdog Timer" 1491b7e04f8cSWim Van Sebroeck depends on X86 1492a7f7f624SMasahiro Yamada help 1493b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog component on the 1494b7e04f8cSWim Van Sebroeck Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1495b7e04f8cSWim Van Sebroeck from Vision Systems and maybe others. 1496b7e04f8cSWim Van Sebroeck 1497b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1498b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1499b7e04f8cSWim Van Sebroeck amount of time. 1500b7e04f8cSWim Van Sebroeck 1501b7e04f8cSWim Van Sebroeck Usually a userspace daemon will notify the kernel WDT driver that 1502b7e04f8cSWim Van Sebroeck userspace is still alive, at regular intervals. 1503b7e04f8cSWim Van Sebroeck 1504b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1505b7e04f8cSWim Van Sebroeck module will be called smsc37b787_wdt. 1506b7e04f8cSWim Van Sebroeck 1507b7e04f8cSWim Van Sebroeck Most people will say N. 1508b7e04f8cSWim Van Sebroeck 1509e3c21e08SAndrew Lunnconfig TQMX86_WDT 1510e3c21e08SAndrew Lunn tristate "TQ-Systems TQMX86 Watchdog Timer" 1511e3c21e08SAndrew Lunn depends on X86 15129a6c274aSYueHaibing select WATCHDOG_CORE 1513e3c21e08SAndrew Lunn help 1514e3c21e08SAndrew Lunn This is the driver for the hardware watchdog timer in the TQMX86 IO 1515e3c21e08SAndrew Lunn controller found on some of their ComExpress Modules. 1516e3c21e08SAndrew Lunn 1517e3c21e08SAndrew Lunn To compile this driver as a module, choose M here; the module 1518e3c21e08SAndrew Lunn will be called tqmx86_wdt. 1519e3c21e08SAndrew Lunn 1520e3c21e08SAndrew Lunn Most people will say N. 1521e3c21e08SAndrew Lunn 1522dc3c56b7SMarc Vertesconfig VIA_WDT 1523dc3c56b7SMarc Vertes tristate "VIA Watchdog Timer" 1524690e7a70SRandy Dunlap depends on X86 && PCI 1525dc3c56b7SMarc Vertes select WATCHDOG_CORE 1526a7f7f624SMasahiro Yamada help 1527dc3c56b7SMarc Vertes This is the driver for the hardware watchdog timer on VIA 1528dc3c56b7SMarc Vertes southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1529dc3c56b7SMarc Vertes 1530dc3c56b7SMarc Vertes To compile this driver as a module, choose M here; the module 1531dc3c56b7SMarc Vertes will be called via_wdt. 1532dc3c56b7SMarc Vertes 1533dc3c56b7SMarc Vertes Most people will say N. 1534dc3c56b7SMarc Vertes 1535b7e04f8cSWim Van Sebroeckconfig W83627HF_WDT 1536962c04f5SGuenter Roeck tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1537b7e04f8cSWim Van Sebroeck depends on X86 153830a83695SGuenter Roeck select WATCHDOG_CORE 1539a7f7f624SMasahiro Yamada help 1540962c04f5SGuenter Roeck This is the driver for the hardware watchdog on the following 1541962c04f5SGuenter Roeck Super I/O chips. 1542962c04f5SGuenter Roeck W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1543962c04f5SGuenter Roeck W83637HF 1544962c04f5SGuenter Roeck W83667HG/HG-B 1545962c04f5SGuenter Roeck W83687THF 15467b6d0b6aSGuenter Roeck W83697HF 15477b6d0b6aSGuenter Roeck W83697UG 1548962c04f5SGuenter Roeck NCT6775 1549962c04f5SGuenter Roeck NCT6776 1550962c04f5SGuenter Roeck NCT6779 1551a77841d5SGuenter Roeck NCT6791 1552a77841d5SGuenter Roeck NCT6792 155333f74b89SRob Kramer NCT6102D/04D/06D 1554e11cfc69SSrikanth Krishnakar NCT6116D 1555962c04f5SGuenter Roeck 15569c67bea4SBenny Loenstrup Ammitzboell This watchdog simply watches your kernel to make sure it doesn't 15579c67bea4SBenny Loenstrup Ammitzboell freeze, and if it does, it reboots your computer after a certain 15589c67bea4SBenny Loenstrup Ammitzboell amount of time. 1559b7e04f8cSWim Van Sebroeck 1560b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1561b7e04f8cSWim Van Sebroeck module will be called w83627hf_wdt. 1562b7e04f8cSWim Van Sebroeck 1563b7e04f8cSWim Van Sebroeck Most people will say N. 1564b7e04f8cSWim Van Sebroeck 1565b7e04f8cSWim Van Sebroeckconfig W83877F_WDT 1566b7e04f8cSWim Van Sebroeck tristate "W83877F (EMACS) Watchdog Timer" 1567b7e04f8cSWim Van Sebroeck depends on X86 1568a7f7f624SMasahiro Yamada help 1569b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83877F chipset 1570b7e04f8cSWim Van Sebroeck as used in EMACS PC-104 motherboards (and likely others). This 1571b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1572b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1573b7e04f8cSWim Van Sebroeck time. 1574b7e04f8cSWim Van Sebroeck 1575b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1576b7e04f8cSWim Van Sebroeck module will be called w83877f_wdt. 1577b7e04f8cSWim Van Sebroeck 1578b7e04f8cSWim Van Sebroeck Most people will say N. 1579b7e04f8cSWim Van Sebroeck 1580b7e04f8cSWim Van Sebroeckconfig W83977F_WDT 1581b7e04f8cSWim Van Sebroeck tristate "W83977F (PCM-5335) Watchdog Timer" 1582b7e04f8cSWim Van Sebroeck depends on X86 1583a7f7f624SMasahiro Yamada help 1584b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83977F I/O chip 1585b7e04f8cSWim Van Sebroeck as used in AAEON's PCM-5335 SBC (and likely others). This 1586b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1587b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1588b7e04f8cSWim Van Sebroeck time. 1589b7e04f8cSWim Van Sebroeck 1590b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1591b7e04f8cSWim Van Sebroeck module will be called w83977f_wdt. 1592b7e04f8cSWim Van Sebroeck 1593b7e04f8cSWim Van Sebroeckconfig MACHZ_WDT 1594b7e04f8cSWim Van Sebroeck tristate "ZF MachZ Watchdog" 1595b7e04f8cSWim Van Sebroeck depends on X86 1596a7f7f624SMasahiro Yamada help 1597b7e04f8cSWim Van Sebroeck If you are using a ZF Micro MachZ processor, say Y here, otherwise 1598b7e04f8cSWim Van Sebroeck N. This is the driver for the watchdog timer built-in on that 1599b7e04f8cSWim Van Sebroeck processor using ZF-Logic interface. This watchdog simply watches 1600b7e04f8cSWim Van Sebroeck your kernel to make sure it doesn't freeze, and if it does, it 1601b7e04f8cSWim Van Sebroeck reboots your computer after a certain amount of time. 1602b7e04f8cSWim Van Sebroeck 1603b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1604b7e04f8cSWim Van Sebroeck module will be called machzwd. 1605b7e04f8cSWim Van Sebroeck 1606b7e04f8cSWim Van Sebroeckconfig SBC_EPX_C3_WATCHDOG 1607b7e04f8cSWim Van Sebroeck tristate "Winsystems SBC EPX-C3 watchdog" 1608b7e04f8cSWim Van Sebroeck depends on X86 1609a7f7f624SMasahiro Yamada help 1610b7e04f8cSWim Van Sebroeck This is the driver for the built-in watchdog timer on the EPX-C3 1611b7e04f8cSWim Van Sebroeck Single-board computer made by Winsystems, Inc. 1612b7e04f8cSWim Van Sebroeck 1613b7e04f8cSWim Van Sebroeck *Note*: This hardware watchdog is not probeable and thus there 1614b7e04f8cSWim Van Sebroeck is no way to know if writing to its IO address will corrupt 1615b7e04f8cSWim Van Sebroeck your system or have any real effect. The only way to be sure 1616b7e04f8cSWim Van Sebroeck that this driver does what you want is to make sure you 1617b7e04f8cSWim Van Sebroeck are running it on an EPX-C3 from Winsystems with the watchdog 1618b7e04f8cSWim Van Sebroeck timer at IO address 0x1ee and 0x1ef. It will write to both those 1619b7e04f8cSWim Van Sebroeck IO ports. Basically, the assumption is made that if you compile 1620b7e04f8cSWim Van Sebroeck this driver into your kernel and/or load it as a module, that you 1621b7e04f8cSWim Van Sebroeck know what you are doing and that you are in fact running on an 1622b7e04f8cSWim Van Sebroeck EPX-C3 board! 1623b7e04f8cSWim Van Sebroeck 1624b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1625b7e04f8cSWim Van Sebroeck module will be called sbc_epx_c3. 1626b7e04f8cSWim Van Sebroeck 1627222818c3STomas Winklerconfig INTEL_MEI_WDT 1628222818c3STomas Winkler tristate "Intel MEI iAMT Watchdog" 1629222818c3STomas Winkler depends on INTEL_MEI && X86 1630222818c3STomas Winkler select WATCHDOG_CORE 1631a7f7f624SMasahiro Yamada help 1632222818c3STomas Winkler A device driver for the Intel MEI iAMT watchdog. 1633222818c3STomas Winkler 1634222818c3STomas Winkler The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1635222818c3STomas Winkler Whenever the OS hangs or crashes, iAMT will send an event 1636222818c3STomas Winkler to any subscriber to this event. The watchdog doesn't reset the 1637222818c3STomas Winkler the platform. 1638222818c3STomas Winkler 1639222818c3STomas Winkler To compile this driver as a module, choose M here: 1640222818c3STomas Winkler the module will be called mei_wdt. 1641222818c3STomas Winkler 164270f39976SKyle Roeschleyconfig NI903X_WDT 164370f39976SKyle Roeschley tristate "NI 903x/913x Watchdog" 164470f39976SKyle Roeschley depends on X86 && ACPI 164570f39976SKyle Roeschley select WATCHDOG_CORE 1646a7f7f624SMasahiro Yamada help 164770f39976SKyle Roeschley This is the driver for the watchdog timer on the National Instruments 164870f39976SKyle Roeschley 903x/913x real-time controllers. 164970f39976SKyle Roeschley 165070f39976SKyle Roeschley To compile this driver as a module, choose M here: the module will be 165170f39976SKyle Roeschley called ni903x_wdt. 165270f39976SKyle Roeschley 165398078ca3SHui Chun Ongconfig NIC7018_WDT 165498078ca3SHui Chun Ong tristate "NIC7018 Watchdog" 165598078ca3SHui Chun Ong depends on X86 && ACPI 165698078ca3SHui Chun Ong select WATCHDOG_CORE 1657a7f7f624SMasahiro Yamada help 165898078ca3SHui Chun Ong Support for National Instruments NIC7018 Watchdog. 165998078ca3SHui Chun Ong 166098078ca3SHui Chun Ong To compile this driver as a module, choose M here: the module will be 166198078ca3SHui Chun Ong called nic7018_wdt. 166298078ca3SHui Chun Ong 16632ebd32ceSHenning Schildconfig SIEMENS_SIMATIC_IPC_WDT 16642ebd32ceSHenning Schild tristate "Siemens Simatic IPC Watchdog" 16652ebd32ceSHenning Schild depends on SIEMENS_SIMATIC_IPC 16662ebd32ceSHenning Schild select WATCHDOG_CORE 1667e38da7d3SHenning Schild select P2SB 16682ebd32ceSHenning Schild help 16692ebd32ceSHenning Schild This driver adds support for several watchdogs found in Industrial 16702ebd32ceSHenning Schild PCs from Siemens. 16712ebd32ceSHenning Schild 16722ebd32ceSHenning Schild To compile this driver as a module, choose M here: the module will be 16732ebd32ceSHenning Schild called simatic-ipc-wdt. 16742ebd32ceSHenning Schild 1675b7e04f8cSWim Van Sebroeck# M68K Architecture 1676b7e04f8cSWim Van Sebroeck 16774157a04dSPhilippe De Muyterconfig M54xx_WATCHDOG 16784157a04dSPhilippe De Muyter tristate "MCF54xx watchdog support" 167988cce427SPhilippe De Muyter depends on M548x 168088cce427SPhilippe De Muyter help 168188cce427SPhilippe De Muyter To compile this driver as a module, choose M here: the 16824157a04dSPhilippe De Muyter module will be called m54xx_wdt. 1683b7e04f8cSWim Van Sebroeck 1684e9659e69SAlejandro Cabrera# MicroBlaze Architecture 1685e9659e69SAlejandro Cabrera 1686b7e04f8cSWim Van Sebroeck# MIPS Architecture 1687b7e04f8cSWim Van Sebroeck 1688f8394f61SGabor Juhosconfig ATH79_WDT 1689f8394f61SGabor Juhos tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1690da2a68b3SGuenter Roeck depends on ATH79 || (ARM && COMPILE_TEST) 1691f8394f61SGabor Juhos help 1692f8394f61SGabor Juhos Hardware driver for the built-in watchdog timer on the Atheros 1693f8394f61SGabor Juhos AR71XX/AR724X/AR913X SoCs. 1694f8394f61SGabor Juhos 169590074dceSmatthieu castetconfig BCM47XX_WDT 169690074dceSmatthieu castet tristate "Broadcom BCM47xx Watchdog Timer" 1697da2a68b3SGuenter Roeck depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 16985434a04dSHauke Mehrtens select WATCHDOG_CORE 169990074dceSmatthieu castet help 17006b2aac42SMasanari Iida Hardware driver for the Broadcom BCM47xx Watchdog Timer. 170190074dceSmatthieu castet 170203ec5856SFlorian Fainelliconfig RC32434_WDT 170303ec5856SFlorian Fainelli tristate "IDT RC32434 SoC Watchdog Timer" 170403ec5856SFlorian Fainelli depends on MIKROTIK_RB532 170503ec5856SFlorian Fainelli help 170603ec5856SFlorian Fainelli Hardware driver for the IDT RC32434 SoC built-in 170703ec5856SFlorian Fainelli watchdog timer. 170803ec5856SFlorian Fainelli 170903ec5856SFlorian Fainelli To compile this driver as a module, choose M here: the 171003ec5856SFlorian Fainelli module will be called rc32434_wdt. 171103ec5856SFlorian Fainelli 1712b7e04f8cSWim Van Sebroeckconfig INDYDOG 1713b7e04f8cSWim Van Sebroeck tristate "Indy/I2 Hardware Watchdog" 171424f8d233SMatt Redfearn depends on SGI_HAS_INDYDOG 1715b7e04f8cSWim Van Sebroeck help 1716b7e04f8cSWim Van Sebroeck Hardware driver for the Indy's/I2's watchdog. This is a 1717b7e04f8cSWim Van Sebroeck watchdog timer that will reboot the machine after a 60 second 1718b7e04f8cSWim Van Sebroeck timer expired and no process has written to /dev/watchdog during 1719b7e04f8cSWim Van Sebroeck that time. 1720b7e04f8cSWim Van Sebroeck 1721f865c352SPaul Cercueilconfig JZ4740_WDT 1722f865c352SPaul Cercueil tristate "Ingenic jz4740 SoC hardware watchdog" 172333c26ab4SPaul Cercueil depends on MIPS 17241d9c3074SPaul Cercueil depends on COMMON_CLK 172585f6df14SAxel Lin select WATCHDOG_CORE 17266d532143SPaul Cercueil select MFD_SYSCON 1727f865c352SPaul Cercueil help 1728f865c352SPaul Cercueil Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1729f865c352SPaul Cercueil 1730b7e04f8cSWim Van Sebroeckconfig WDT_MTX1 1731b7e04f8cSWim Van Sebroeck tristate "MTX-1 Hardware Watchdog" 1732da2a68b3SGuenter Roeck depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1733b7e04f8cSWim Van Sebroeck help 1734b7e04f8cSWim Van Sebroeck Hardware driver for the MTX-1 boards. This is a watchdog timer that 1735b7e04f8cSWim Van Sebroeck will reboot the machine after a 100 seconds timer expired. 1736b7e04f8cSWim Van Sebroeck 173775c752e6SAndrew Sharpconfig SIBYTE_WDOG 173875c752e6SAndrew Sharp tristate "Sibyte SoC hardware watchdog" 1739c388a189SJackie Liu depends on CPU_SB1 174075c752e6SAndrew Sharp help 174175c752e6SAndrew Sharp Watchdog driver for the built in watchdog hardware in Sibyte 174275c752e6SAndrew Sharp SoC processors. There are apparently two watchdog timers 174375c752e6SAndrew Sharp on such processors; this driver supports only the first one, 174475c752e6SAndrew Sharp because currently Linux only supports exporting one watchdog 174575c752e6SAndrew Sharp to userspace. 174675c752e6SAndrew Sharp 174775c752e6SAndrew Sharp To compile this driver as a loadable module, choose M here. 174875c752e6SAndrew Sharp The module will be called sb_wdog. 174975c752e6SAndrew Sharp 1750c283cf2cSMatteo Croceconfig AR7_WDT 1751c283cf2cSMatteo Croce tristate "TI AR7 Watchdog Timer" 175228b7ee33SJackie Liu depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) 1753c283cf2cSMatteo Croce help 1754c283cf2cSMatteo Croce Hardware driver for the TI AR7 Watchdog Timer. 1755c283cf2cSMatteo Croce 17566f702fceSAtsushi Nemotoconfig TXX9_WDT 17576f702fceSAtsushi Nemoto tristate "Toshiba TXx9 Watchdog Timer" 1758455481fcSThomas Bogendoerfer depends on CPU_TX49XX || (MIPS && COMPILE_TEST) 1759d6245842SAxel Lin select WATCHDOG_CORE 17606f702fceSAtsushi Nemoto help 17616f702fceSAtsushi Nemoto Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 17626f702fceSAtsushi Nemoto 17634c076fb4SDavid Daneyconfig OCTEON_WDT 17644c076fb4SDavid Daney tristate "Cavium OCTEON SOC family Watchdog Timer" 17659ddebc46SDavid Daney depends on CAVIUM_OCTEON_SOC 17664c076fb4SDavid Daney default y 17673d588c93SAaro Koskinen select WATCHDOG_CORE 17684c076fb4SDavid Daney select EXPORT_UASM if OCTEON_WDT = m 17694c076fb4SDavid Daney help 17704c076fb4SDavid Daney Hardware driver for OCTEON's on chip watchdog timer. 17714c076fb4SDavid Daney Enables the watchdog for all cores running Linux. It 17724c076fb4SDavid Daney installs a NMI handler and pokes the watchdog based on an 17734c076fb4SDavid Daney interrupt. On first expiration of the watchdog, the 17744c076fb4SDavid Daney interrupt handler pokes it. The second expiration causes an 17754c076fb4SDavid Daney NMI that prints a message. The third expiration causes a 17764c076fb4SDavid Daney global soft reset. 17774c076fb4SDavid Daney 17784c076fb4SDavid Daney When userspace has /dev/watchdog open, no poking is done 17794c076fb4SDavid Daney from the first interrupt, it is then only poked when the 17804c076fb4SDavid Daney device is written. 17814c076fb4SDavid Daney 1782938d0a84SLubomir Rintelconfig BCM2835_WDT 1783938d0a84SLubomir Rintel tristate "Broadcom BCM2835 hardware watchdog" 17842672b7e0SArnd Bergmann depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1785938d0a84SLubomir Rintel select WATCHDOG_CORE 1786938d0a84SLubomir Rintel help 1787938d0a84SLubomir Rintel Watchdog driver for the built in watchdog hardware in Broadcom 1788938d0a84SLubomir Rintel BCM2835 SoC. 1789938d0a84SLubomir Rintel 1790938d0a84SLubomir Rintel To compile this driver as a loadable module, choose M here. 1791938d0a84SLubomir Rintel The module will be called bcm2835_wdt. 1792938d0a84SLubomir Rintel 17936adb730dSMarkus Mayerconfig BCM_KONA_WDT 17946adb730dSMarkus Mayer tristate "BCM Kona Watchdog" 1795da2a68b3SGuenter Roeck depends on ARCH_BCM_MOBILE || COMPILE_TEST 17966adb730dSMarkus Mayer select WATCHDOG_CORE 17976adb730dSMarkus Mayer help 17986adb730dSMarkus Mayer Support for the watchdog timer on the following Broadcom BCM281xx 17996adb730dSMarkus Mayer family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 18006adb730dSMarkus Mayer BCM28155 variants. 18016adb730dSMarkus Mayer 18026adb730dSMarkus Mayer Say 'Y' or 'M' here to enable the driver. The module will be called 18036adb730dSMarkus Mayer bcm_kona_wdt. 18046adb730dSMarkus Mayer 18056e2ac20eSMarkus Mayerconfig BCM_KONA_WDT_DEBUG 18066e2ac20eSMarkus Mayer bool "DEBUGFS support for BCM Kona Watchdog" 1807345f1625SGuenter Roeck depends on BCM_KONA_WDT 18086e2ac20eSMarkus Mayer help 18096e2ac20eSMarkus Mayer If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 18106e2ac20eSMarkus Mayer access to the driver's internal data structures as well as watchdog 18116e2ac20eSMarkus Mayer timer hardware registres. 18126e2ac20eSMarkus Mayer 18136e2ac20eSMarkus Mayer If in doubt, say 'N'. 18146e2ac20eSMarkus Mayer 18157a3629feSJustin Chenconfig BCM7038_WDT 1816bc0bf9e9SFlorian Fainelli tristate "BCM63xx/BCM7038 Watchdog" 18177a3629feSJustin Chen select WATCHDOG_CORE 1818d42d6108SRichard Weinberger depends on HAS_IOMEM 18197bb49d77SWilliam Zhang depends on ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 18207a3629feSJustin Chen help 1821972ec351SJean Delvare Watchdog driver for the built-in hardware in Broadcom 7038 and 1822972ec351SJean Delvare later SoCs used in set-top boxes. BCM7038 was made public 1823972ec351SJean Delvare during the 2004 CES, and since then, many Broadcom chips use this 1824bc0bf9e9SFlorian Fainelli watchdog block, including some cable modem chips and DSL (63xx) 1825bc0bf9e9SFlorian Fainelli chips. 18267a3629feSJustin Chen 182793937669SNaidu Tellapaticonfig IMGPDC_WDT 182893937669SNaidu Tellapati tristate "Imagination Technologies PDC Watchdog Timer" 182993937669SNaidu Tellapati depends on HAS_IOMEM 1830b9b29090SJames Hogan depends on MIPS || COMPILE_TEST 1831df1a3e64SArnd Bergmann select WATCHDOG_CORE 183293937669SNaidu Tellapati help 183393937669SNaidu Tellapati Driver for Imagination Technologies PowerDown Controller 183493937669SNaidu Tellapati Watchdog Timer. 183593937669SNaidu Tellapati 183693937669SNaidu Tellapati To compile this driver as a loadable module, choose M here. 183793937669SNaidu Tellapati The module will be called imgpdc_wdt. 183893937669SNaidu Tellapati 18392f58b8d0SJohn Crispinconfig LANTIQ_WDT 18402f58b8d0SJohn Crispin tristate "Lantiq SoC watchdog" 18412f58b8d0SJohn Crispin depends on LANTIQ 1842dcd7e04eSHauke Mehrtens select WATCHDOG_CORE 18432f58b8d0SJohn Crispin help 18442f58b8d0SJohn Crispin Hardware driver for the Lantiq SoC Watchdog Timer. 18452f58b8d0SJohn Crispin 18461d8565eeSYang Lingconfig LOONGSON1_WDT 18471d8565eeSYang Ling tristate "Loongson1 SoC hardware watchdog" 18481d8565eeSYang Ling depends on MACH_LOONGSON32 18491d8565eeSYang Ling select WATCHDOG_CORE 18501d8565eeSYang Ling help 18511d8565eeSYang Ling Hardware driver for the Loongson1 SoC Watchdog Timer. 18521d8565eeSYang Ling 1853473cf939SJohn Crispinconfig RALINK_WDT 1854473cf939SJohn Crispin tristate "Ralink SoC watchdog" 1855473cf939SJohn Crispin select WATCHDOG_CORE 1856473cf939SJohn Crispin depends on RALINK 1857473cf939SJohn Crispin help 1858473cf939SJohn Crispin Hardware driver for the Ralink SoC Watchdog Timer. 1859473cf939SJohn Crispin 18606b47441bSNick Hawkinsconfig GXP_WATCHDOG 18616b47441bSNick Hawkins tristate "HPE GXP watchdog support" 18626b47441bSNick Hawkins depends on ARCH_HPE_GXP 18636b47441bSNick Hawkins select WATCHDOG_CORE 18646b47441bSNick Hawkins help 18656b47441bSNick Hawkins Say Y here to include support for the watchdog timer 18666b47441bSNick Hawkins in HPE GXP SoCs. 18676b47441bSNick Hawkins 18686b47441bSNick Hawkins To compile this driver as a module, choose M here. 18696b47441bSNick Hawkins The module will be called gxp-wdt. 18706b47441bSNick Hawkins 1871ab3f09feSJohn Crispinconfig MT7621_WDT 1872ab3f09feSJohn Crispin tristate "Mediatek SoC watchdog" 1873ab3f09feSJohn Crispin select WATCHDOG_CORE 1874ff8ec4acSSergio Paracuellos select REGMAP_MMIO 1875ff8ec4acSSergio Paracuellos select MFD_SYSCON 1876ff8ec4acSSergio Paracuellos depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST 1877ab3f09feSJohn Crispin help 1878ab3f09feSJohn Crispin Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1879ab3f09feSJohn Crispin 18808f91fc56SJoshua Hendersonconfig PIC32_WDT 18818f91fc56SJoshua Henderson tristate "Microchip PIC32 hardware watchdog" 18828f91fc56SJoshua Henderson select WATCHDOG_CORE 1883da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 18848f91fc56SJoshua Henderson help 18858f91fc56SJoshua Henderson Watchdog driver for the built in watchdog hardware in a PIC32. 18868f91fc56SJoshua Henderson 18878f91fc56SJoshua Henderson Configuration bits must be set appropriately for the watchdog to be 18888f91fc56SJoshua Henderson controlled by this driver. 18898f91fc56SJoshua Henderson 18908f91fc56SJoshua Henderson To compile this driver as a loadable module, choose M here. 18918f91fc56SJoshua Henderson The module will be called pic32-wdt. 18928f91fc56SJoshua Henderson 1893b0d8a082SPurna Chandra Mandalconfig PIC32_DMT 1894b0d8a082SPurna Chandra Mandal tristate "Microchip PIC32 Deadman Timer" 1895b0d8a082SPurna Chandra Mandal select WATCHDOG_CORE 1896da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1897b0d8a082SPurna Chandra Mandal help 189801028829SRandy Dunlap Watchdog driver for PIC32 instruction fetch counting timer. This 189901028829SRandy Dunlap specific timer is typically be used in mission critical and safety 190001028829SRandy Dunlap critical applications, where any single failure of the software 190101028829SRandy Dunlap functionality and sequencing must be detected. 1902b0d8a082SPurna Chandra Mandal 1903b0d8a082SPurna Chandra Mandal To compile this driver as a loadable module, choose M here. 1904b0d8a082SPurna Chandra Mandal The module will be called pic32-dmt. 1905b0d8a082SPurna Chandra Mandal 1906b7e04f8cSWim Van Sebroeck# PARISC Architecture 1907b7e04f8cSWim Van Sebroeck 1908b7e04f8cSWim Van Sebroeck# POWERPC Architecture 1909b7e04f8cSWim Van Sebroeck 19103268b561SMartyn Welchconfig GEF_WDT 1911cda61c94SMartyn Welch tristate "GE Watchdog Timer" 1912330bbf48SMartyn Welch depends on GE_FPGA 1913a7f7f624SMasahiro Yamada help 1914cda61c94SMartyn Welch Watchdog timer found in a number of GE single board computers. 19153268b561SMartyn Welch 1916b7e04f8cSWim Van Sebroeckconfig MPC5200_WDT 19176d535599SAlbrecht Dreß bool "MPC52xx Watchdog Timer" 1918da2a68b3SGuenter Roeck depends on PPC_MPC52xx || COMPILE_TEST 19196d535599SAlbrecht Dreß help 19206d535599SAlbrecht Dreß Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1921b7e04f8cSWim Van Sebroeck 192228acd02fSAnton Vorontsovconfig 8xxx_WDT 192328acd02fSAnton Vorontsov tristate "MPC8xxx Platform Watchdog Timer" 1924f8c33e97SUwe Kleine-König depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1925d5cfaf0aSChristophe Leroy select WATCHDOG_CORE 192628acd02fSAnton Vorontsov help 192728acd02fSAnton Vorontsov This driver is for a SoC level watchdog that exists on some 192828acd02fSAnton Vorontsov Freescale PowerPC processors. So far this driver supports: 19290d7b1014SAnton Vorontsov - MPC8xx watchdogs 193028acd02fSAnton Vorontsov - MPC83xx watchdogs 193128acd02fSAnton Vorontsov - MPC86xx watchdogs 193228acd02fSAnton Vorontsov 193328acd02fSAnton Vorontsov For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1934b7e04f8cSWim Van Sebroeck 1935618efba9SSean MacLennanconfig PIKA_WDT 1936618efba9SSean MacLennan tristate "PIKA FPGA Watchdog" 1937da2a68b3SGuenter Roeck depends on WARP || (PPC64 && COMPILE_TEST) 1938618efba9SSean MacLennan default y 1939618efba9SSean MacLennan help 1940618efba9SSean MacLennan This enables the watchdog in the PIKA FPGA. Currently used on 1941618efba9SSean MacLennan the Warp platform. 1942618efba9SSean MacLennan 1943b7e04f8cSWim Van Sebroeckconfig BOOKE_WDT 1944fbdd7144STimur Tabi tristate "PowerPC Book-E Watchdog Timer" 1945b7e04f8cSWim Van Sebroeck depends on BOOKE || 4xx 194652e5cc4eSGuenter Roeck select WATCHDOG_CORE 1947a7f7f624SMasahiro Yamada help 1948fbdd7144STimur Tabi Watchdog driver for PowerPC Book-E chips, such as the Freescale 1949fbdd7144STimur Tabi MPC85xx SOCs and the IBM PowerPC 440. 1950fbdd7144STimur Tabi 195174665686SMauro Carvalho Chehab Please see Documentation/watchdog/watchdog-api.rst for 1952b7e04f8cSWim Van Sebroeck more information. 1953b7e04f8cSWim Van Sebroeck 1954e0dc09ffSTimur Tabiconfig BOOKE_WDT_DEFAULT_TIMEOUT 1955e0dc09ffSTimur Tabi int "PowerPC Book-E Watchdog Timer Default Timeout" 1956e0dc09ffSTimur Tabi depends on BOOKE_WDT 1957ec65560aSChristophe Leroy default 38 if PPC_E500 1958ec65560aSChristophe Leroy range 0 63 if PPC_E500 1959ec65560aSChristophe Leroy default 3 if !PPC_E500 1960ec65560aSChristophe Leroy range 0 3 if !PPC_E500 1961e0dc09ffSTimur Tabi help 1962e0dc09ffSTimur Tabi Select the default watchdog timer period to be used by the PowerPC 1963e0dc09ffSTimur Tabi Book-E watchdog driver. A watchdog "event" occurs when the bit 1964e0dc09ffSTimur Tabi position represented by this number transitions from zero to one. 1965e0dc09ffSTimur Tabi 1966e0dc09ffSTimur Tabi For Freescale Book-E processors, this is a number between 0 and 63. 1967e0dc09ffSTimur Tabi For other Book-E processors, this is a number between 0 and 3. 1968e0dc09ffSTimur Tabi 1969e1d1d68aSMasanari Iida The value can be overridden by the wdt_period command-line parameter. 1970e0dc09ffSTimur Tabi 197126c57ef1SJohannes Thumshirnconfig MEN_A21_WDT 197226c57ef1SJohannes Thumshirn tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 197326c57ef1SJohannes Thumshirn select WATCHDOG_CORE 197421a926a3SGeert Uytterhoeven depends on GPIOLIB || COMPILE_TEST 197526c57ef1SJohannes Thumshirn help 197626c57ef1SJohannes Thumshirn Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 197726c57ef1SJohannes Thumshirn 197826c57ef1SJohannes Thumshirn The driver can also be built as a module. If so, the module will be 197926c57ef1SJohannes Thumshirn called mena21_wdt. 198026c57ef1SJohannes Thumshirn 198126c57ef1SJohannes Thumshirn If unsure select N here. 198226c57ef1SJohannes Thumshirn 1983b7e04f8cSWim Van Sebroeck# PPC64 Architecture 1984b7e04f8cSWim Van Sebroeck 198569472ffaSScott Chelohaconfig PSERIES_WDT 198669472ffaSScott Cheloha tristate "POWER Architecture Platform Watchdog Timer" 198769472ffaSScott Cheloha depends on PPC_PSERIES 198869472ffaSScott Cheloha select WATCHDOG_CORE 198969472ffaSScott Cheloha help 199069472ffaSScott Cheloha Driver for virtual watchdog timers provided by PAPR 199169472ffaSScott Cheloha hypervisors (e.g. PowerVM, KVM). 199269472ffaSScott Cheloha 1993b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RTAS 1994b7e04f8cSWim Van Sebroeck tristate "RTAS watchdog" 199542bed042SMurilo Opsfelder Araujo depends on PPC_RTAS 1996b7e04f8cSWim Van Sebroeck help 1997b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the RTAS watchdog. 1998b7e04f8cSWim Van Sebroeck 1999b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2000b7e04f8cSWim Van Sebroeck will be called wdrtas. 2001b7e04f8cSWim Van Sebroeck 2002*db728ea9SXingyu Wu# RISC-V Architecture 2003*db728ea9SXingyu Wu 2004*db728ea9SXingyu Wuconfig STARFIVE_WATCHDOG 2005*db728ea9SXingyu Wu tristate "StarFive Watchdog support" 2006*db728ea9SXingyu Wu depends on ARCH_STARFIVE || COMPILE_TEST 2007*db728ea9SXingyu Wu select WATCHDOG_CORE 2008*db728ea9SXingyu Wu default ARCH_STARFIVE 2009*db728ea9SXingyu Wu help 2010*db728ea9SXingyu Wu Say Y here to support the watchdog of StarFive JH7100 and JH7110 2011*db728ea9SXingyu Wu SoC. This driver can also be built as a module if choose M. 2012*db728ea9SXingyu Wu 2013b7e04f8cSWim Van Sebroeck# S390 Architecture 2014b7e04f8cSWim Van Sebroeck 2015f7a94db4SPhilipp Hachtmannconfig DIAG288_WATCHDOG 2016f7a94db4SPhilipp Hachtmann tristate "System z diag288 Watchdog" 2017b7e04f8cSWim Van Sebroeck depends on S390 2018f7a94db4SPhilipp Hachtmann select WATCHDOG_CORE 2019b7e04f8cSWim Van Sebroeck help 2020b7e04f8cSWim Van Sebroeck IBM s/390 and zSeries machines running under z/VM 5.1 or later 2021b7e04f8cSWim Van Sebroeck provide a virtual watchdog timer to their guest that cause a 2022b7e04f8cSWim Van Sebroeck user define Control Program command to be executed after a 2023b7e04f8cSWim Van Sebroeck timeout. 2024646f919eSPhilipp Hachtmann LPAR provides a very similar interface. This driver handles 2025646f919eSPhilipp Hachtmann both. 2026b7e04f8cSWim Van Sebroeck 2027b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2028a8fa3943SPhilipp Hachtmann will be called diag288_wdt. 2029b7e04f8cSWim Van Sebroeck 2030b7e04f8cSWim Van Sebroeck# SUPERH (sh + sh64) Architecture 2031b7e04f8cSWim Van Sebroeck 2032b7e04f8cSWim Van Sebroeckconfig SH_WDT 2033b7e04f8cSWim Van Sebroeck tristate "SuperH Watchdog" 2034da2a68b3SGuenter Roeck depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 20351950f499SPaul Mundt select WATCHDOG_CORE 2036b7e04f8cSWim Van Sebroeck help 2037b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the integrated watchdog in the 2038b7e04f8cSWim Van Sebroeck SuperH processors. If you have one of these processors and wish 2039b7e04f8cSWim Van Sebroeck to have watchdog support enabled, say Y, otherwise say N. 2040b7e04f8cSWim Van Sebroeck 2041b7e04f8cSWim Van Sebroeck As a side note, saying Y here will automatically boost HZ to 1000 2042b7e04f8cSWim Van Sebroeck so that the timer has a chance to clear the overflow counter. On 2043b7e04f8cSWim Van Sebroeck slower systems (such as the SH-2 and SH-3) this will likely yield 2044b7e04f8cSWim Van Sebroeck some performance issues. As such, the WDT should be avoided here 2045b7e04f8cSWim Van Sebroeck unless it is absolutely necessary. 2046b7e04f8cSWim Van Sebroeck 2047b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2048b7e04f8cSWim Van Sebroeck module will be called shwdt. 2049b7e04f8cSWim Van Sebroeck 2050b7e04f8cSWim Van Sebroeck# SPARC Architecture 2051b7e04f8cSWim Van Sebroeck 2052b7e04f8cSWim Van Sebroeck# SPARC64 Architecture 2053b7e04f8cSWim Van Sebroeck 2054b7e04f8cSWim Van Sebroeckconfig WATCHDOG_CP1XXX 2055b7e04f8cSWim Van Sebroeck tristate "CP1XXX Hardware Watchdog support" 2056b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2057a7f7f624SMasahiro Yamada help 2058b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog timers present on 2059b7e04f8cSWim Van Sebroeck Sun Microsystems CompactPCI models CP1400 and CP1500. 2060b7e04f8cSWim Van Sebroeck 2061b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2062b7e04f8cSWim Van Sebroeck module will be called cpwatchdog. 2063b7e04f8cSWim Van Sebroeck 2064b7e04f8cSWim Van Sebroeck If you do not have a CompactPCI model CP1400 or CP1500, or 2065b7e04f8cSWim Van Sebroeck another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 2066b7e04f8cSWim Van Sebroeck you should say N to this option. 2067b7e04f8cSWim Van Sebroeck 2068b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RIO 2069b7e04f8cSWim Van Sebroeck tristate "RIO Hardware Watchdog support" 2070b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2071b7e04f8cSWim Van Sebroeck help 2072b7e04f8cSWim Van Sebroeck Say Y here to support the hardware watchdog capability on Sun RIO 2073b7e04f8cSWim Van Sebroeck machines. The watchdog timeout period is normally one minute but 2074b7e04f8cSWim Van Sebroeck can be changed with a boot-time parameter. 2075b7e04f8cSWim Van Sebroeck 2076ca0bb079Swim.coekaerts@oracle.comconfig WATCHDOG_SUN4V 2077ca0bb079Swim.coekaerts@oracle.com tristate "Sun4v Watchdog support" 2078ca0bb079Swim.coekaerts@oracle.com select WATCHDOG_CORE 2079ca0bb079Swim.coekaerts@oracle.com depends on SPARC64 2080ca0bb079Swim.coekaerts@oracle.com help 2081ca0bb079Swim.coekaerts@oracle.com Say Y here to support the hypervisor watchdog capability embedded 2082ca0bb079Swim.coekaerts@oracle.com in the SPARC sun4v architecture. 2083ca0bb079Swim.coekaerts@oracle.com 2084ca0bb079Swim.coekaerts@oracle.com To compile this driver as a module, choose M here. The module will 2085ca0bb079Swim.coekaerts@oracle.com be called sun4v_wdt. 2086ca0bb079Swim.coekaerts@oracle.com 2087b7e04f8cSWim Van Sebroeck# XTENSA Architecture 2088b7e04f8cSWim Van Sebroeck 2089066d6c7fSJan Beulich# Xen Architecture 2090066d6c7fSJan Beulich 2091066d6c7fSJan Beulichconfig XEN_WDT 2092066d6c7fSJan Beulich tristate "Xen Watchdog support" 2093066d6c7fSJan Beulich depends on XEN 20944cd67644SRadu Rendec select WATCHDOG_CORE 2095066d6c7fSJan Beulich help 2096066d6c7fSJan Beulich Say Y here to support the hypervisor watchdog capability provided 2097066d6c7fSJan Beulich by Xen 4.0 and newer. The watchdog timeout period is normally one 2098066d6c7fSJan Beulich minute but can be changed with a boot-time parameter. 2099066d6c7fSJan Beulich 2100d805a786SAl Viroconfig UML_WATCHDOG 2101d805a786SAl Viro tristate "UML watchdog" 2102da2a68b3SGuenter Roeck depends on UML || COMPILE_TEST 2103d805a786SAl Viro 2104b7e04f8cSWim Van Sebroeck# 2105b7e04f8cSWim Van Sebroeck# ISA-based Watchdog Cards 2106b7e04f8cSWim Van Sebroeck# 2107b7e04f8cSWim Van Sebroeck 2108b7e04f8cSWim Van Sebroeckcomment "ISA-based Watchdog Cards" 2109b7e04f8cSWim Van Sebroeck depends on ISA 2110b7e04f8cSWim Van Sebroeck 2111b7e04f8cSWim Van Sebroeckconfig PCWATCHDOG 2112b7e04f8cSWim Van Sebroeck tristate "Berkshire Products ISA-PC Watchdog" 2113b7e04f8cSWim Van Sebroeck depends on ISA 2114a7f7f624SMasahiro Yamada help 2115b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products ISA-PC Watchdog card. 2116b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2117b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2118b7e04f8cSWim Van Sebroeck time. This driver is like the WDT501 driver but for different 211901028829SRandy Dunlap hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 212001028829SRandy Dunlap The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2121b7e04f8cSWim Van Sebroeck 2122b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2123b7e04f8cSWim Van Sebroeck module will be called pcwd. 2124b7e04f8cSWim Van Sebroeck 2125b7e04f8cSWim Van Sebroeck Most people will say N. 2126b7e04f8cSWim Van Sebroeck 2127b7e04f8cSWim Van Sebroeckconfig MIXCOMWD 2128b7e04f8cSWim Van Sebroeck tristate "Mixcom Watchdog" 2129b7e04f8cSWim Van Sebroeck depends on ISA 2130a7f7f624SMasahiro Yamada help 2131b7e04f8cSWim Van Sebroeck This is a driver for the Mixcom hardware watchdog cards. This 2132b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 2133b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2134b7e04f8cSWim Van Sebroeck time. 2135b7e04f8cSWim Van Sebroeck 2136b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2137b7e04f8cSWim Van Sebroeck module will be called mixcomwd. 2138b7e04f8cSWim Van Sebroeck 2139b7e04f8cSWim Van Sebroeck Most people will say N. 2140b7e04f8cSWim Van Sebroeck 2141b7e04f8cSWim Van Sebroeckconfig WDT 2142b7e04f8cSWim Van Sebroeck tristate "WDT Watchdog timer" 2143b7e04f8cSWim Van Sebroeck depends on ISA 2144a7f7f624SMasahiro Yamada help 2145b7e04f8cSWim Van Sebroeck If you have a WDT500P or WDT501P watchdog board, say Y here, 2146b7e04f8cSWim Van Sebroeck otherwise N. It is not possible to probe for this board, which means 2147b7e04f8cSWim Van Sebroeck that you have to inform the kernel about the IO port and IRQ that 2148b7e04f8cSWim Van Sebroeck is needed (you can do this via the io and irq parameters) 2149b7e04f8cSWim Van Sebroeck 2150b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2151b7e04f8cSWim Van Sebroeck module will be called wdt. 2152b7e04f8cSWim Van Sebroeck 2153b7e04f8cSWim Van Sebroeck# 2154b7e04f8cSWim Van Sebroeck# PCI-based Watchdog Cards 2155b7e04f8cSWim Van Sebroeck# 2156b7e04f8cSWim Van Sebroeck 2157b7e04f8cSWim Van Sebroeckcomment "PCI-based Watchdog Cards" 2158b7e04f8cSWim Van Sebroeck depends on PCI 2159b7e04f8cSWim Van Sebroeck 2160b7e04f8cSWim Van Sebroeckconfig PCIPCWATCHDOG 2161b7e04f8cSWim Van Sebroeck tristate "Berkshire Products PCI-PC Watchdog" 2162b7e04f8cSWim Van Sebroeck depends on PCI 2163a7f7f624SMasahiro Yamada help 2164b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products PCI-PC Watchdog card. 2165b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2166b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2167b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2168b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2169b7e04f8cSWim Van Sebroeck 2170b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2171b7e04f8cSWim Van Sebroeck module will be called pcwd_pci. 2172b7e04f8cSWim Van Sebroeck 2173b7e04f8cSWim Van Sebroeck Most people will say N. 2174b7e04f8cSWim Van Sebroeck 2175b7e04f8cSWim Van Sebroeckconfig WDTPCI 2176b7e04f8cSWim Van Sebroeck tristate "PCI-WDT500/501 Watchdog timer" 2177b7e04f8cSWim Van Sebroeck depends on PCI 2178a7f7f624SMasahiro Yamada help 2179b7e04f8cSWim Van Sebroeck If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2180b7e04f8cSWim Van Sebroeck 21819b901ee0SWim Van Sebroeck If you have a PCI-WDT501 watchdog board then you can enable the 21829b901ee0SWim Van Sebroeck temperature sensor by setting the type parameter to 501. 2183b7e04f8cSWim Van Sebroeck 2184b7e04f8cSWim Van Sebroeck If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2185b7e04f8cSWim Van Sebroeck can do this via the tachometer parameter. Only do this if you have a 2186b7e04f8cSWim Van Sebroeck fan tachometer actually set up. 2187b7e04f8cSWim Van Sebroeck 21889b901ee0SWim Van Sebroeck To compile this driver as a module, choose M here: the 21899b901ee0SWim Van Sebroeck module will be called wdt_pci. 21909b901ee0SWim Van Sebroeck 2191b7e04f8cSWim Van Sebroeck# 2192b7e04f8cSWim Van Sebroeck# USB-based Watchdog Cards 2193b7e04f8cSWim Van Sebroeck# 2194b7e04f8cSWim Van Sebroeck 2195b7e04f8cSWim Van Sebroeckcomment "USB-based Watchdog Cards" 2196b7e04f8cSWim Van Sebroeck depends on USB 2197b7e04f8cSWim Van Sebroeck 2198b7e04f8cSWim Van Sebroeckconfig USBPCWATCHDOG 2199b7e04f8cSWim Van Sebroeck tristate "Berkshire Products USB-PC Watchdog" 2200b7e04f8cSWim Van Sebroeck depends on USB 2201a7f7f624SMasahiro Yamada help 2202b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products USB-PC Watchdog card. 2203b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2204b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2205b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2206b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2207b7e04f8cSWim Van Sebroeck 2208b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2209b7e04f8cSWim Van Sebroeck module will be called pcwd_usb. 2210b7e04f8cSWim Van Sebroeck 2211b7e04f8cSWim Van Sebroeck Most people will say N. 2212b7e04f8cSWim Van Sebroeck 2213fa0f8d51SVijayakannan Ayyathuraiconfig KEEMBAY_WATCHDOG 2214fa0f8d51SVijayakannan Ayyathurai tristate "Intel Keem Bay SoC non-secure watchdog" 2215fa0f8d51SVijayakannan Ayyathurai depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2216fa0f8d51SVijayakannan Ayyathurai select WATCHDOG_CORE 2217fa0f8d51SVijayakannan Ayyathurai help 2218fa0f8d51SVijayakannan Ayyathurai This option enable support for an In-secure watchdog timer driver for 2219fa0f8d51SVijayakannan Ayyathurai Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2220fa0f8d51SVijayakannan Ayyathurai count unit. An interrupt will be triggered, when the count crosses 2221c891ef7dSWong Vee Khee the threshold configured in the register. 2222fa0f8d51SVijayakannan Ayyathurai 2223fa0f8d51SVijayakannan Ayyathurai To compile this driver as a module, choose M here: the 2224fa0f8d51SVijayakannan Ayyathurai module will be called keembay_wdt. 2225fa0f8d51SVijayakannan Ayyathurai 2226b7e04f8cSWim Van Sebroeckendif # WATCHDOG 2227