1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 25e53c8edSJean-Baptiste Theou 3b7e04f8cSWim Van Sebroeck# 4b7e04f8cSWim Van Sebroeck# Watchdog device configuration 5b7e04f8cSWim Van Sebroeck# 6b7e04f8cSWim Van Sebroeck 7b7e04f8cSWim Van Sebroeckmenuconfig WATCHDOG 8b7e04f8cSWim Van Sebroeck bool "Watchdog Timer Support" 9a7f7f624SMasahiro Yamada help 10b7e04f8cSWim Van Sebroeck If you say Y here (and to one of the following options) and create a 11b7e04f8cSWim Van Sebroeck character special file /dev/watchdog with major number 10 and minor 12b7e04f8cSWim Van Sebroeck number 130 using mknod ("man mknod"), you will get a watchdog, i.e.: 13b7e04f8cSWim Van Sebroeck subsequently opening the file and then failing to write to it for 14b7e04f8cSWim Van Sebroeck longer than 1 minute will result in rebooting the machine. This 15b7e04f8cSWim Van Sebroeck could be useful for a networked machine that needs to come back 16b7e04f8cSWim Van Sebroeck on-line as fast as possible after a lock-up. There's both a watchdog 17b7e04f8cSWim Van Sebroeck implementation entirely in software (which can sometimes fail to 18b7e04f8cSWim Van Sebroeck reboot the machine) and a driver for hardware watchdog boards, which 19b7e04f8cSWim Van Sebroeck are more robust and can also keep track of the temperature inside 20e403149cSDirk Hohndel your computer. For details, read 2174665686SMauro Carvalho Chehab <file:Documentation/watchdog/watchdog-api.rst> in the kernel source. 22b7e04f8cSWim Van Sebroeck 23b7e04f8cSWim Van Sebroeck The watchdog is usually used together with the watchdog daemon 24b7e04f8cSWim Van Sebroeck which is available from 2501028829SRandy Dunlap <https://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon 2601028829SRandy Dunlap can also monitor NFS connections and can reboot the machine when the 2701028829SRandy Dunlap process table is full. 28b7e04f8cSWim Van Sebroeck 29b7e04f8cSWim Van Sebroeck If unsure, say N. 30b7e04f8cSWim Van Sebroeck 31b7e04f8cSWim Van Sebroeckif WATCHDOG 32b7e04f8cSWim Van Sebroeck 3343316044SWim Van Sebroeckconfig WATCHDOG_CORE 340d3e1563SGuenter Roeck tristate "WatchDog Timer Driver Core" 35a7f7f624SMasahiro Yamada help 3643316044SWim Van Sebroeck Say Y here if you want to use the new watchdog timer driver core. 3743316044SWim Van Sebroeck This driver provides a framework for all watchdog timer drivers 3843316044SWim Van Sebroeck and gives them the /dev/watchdog interface (and later also the 3943316044SWim Van Sebroeck sysfs interface). 4043316044SWim Van Sebroeck 41b7e04f8cSWim Van Sebroeckconfig WATCHDOG_NOWAYOUT 42b7e04f8cSWim Van Sebroeck bool "Disable watchdog shutdown on close" 43b7e04f8cSWim Van Sebroeck help 44b7e04f8cSWim Van Sebroeck The default watchdog behaviour (which you get if you say N here) is 45b7e04f8cSWim Van Sebroeck to stop the timer if the process managing it closes the file 46b7e04f8cSWim Van Sebroeck /dev/watchdog. It's always remotely possible that this process might 47b7e04f8cSWim Van Sebroeck get killed. If you say Y here, the watchdog cannot be stopped once 48b7e04f8cSWim Van Sebroeck it has been started. 49b7e04f8cSWim Van Sebroeck 502501b015SSebastian Reichelconfig WATCHDOG_HANDLE_BOOT_ENABLED 512501b015SSebastian Reichel bool "Update boot-enabled watchdog until userspace takes over" 522501b015SSebastian Reichel default y 532501b015SSebastian Reichel help 542501b015SSebastian Reichel The default watchdog behaviour (which you get if you say Y here) is 552501b015SSebastian Reichel to ping watchdog devices that were enabled before the driver has 562501b015SSebastian Reichel been loaded until control is taken over from userspace using the 572501b015SSebastian Reichel /dev/watchdog file. If you say N here, the kernel will not update 582501b015SSebastian Reichel the watchdog on its own. Thus if your userspace does not start fast 592501b015SSebastian Reichel enough your device will reboot. 602501b015SSebastian Reichel 61487e4e08SRasmus Villemoesconfig WATCHDOG_OPEN_TIMEOUT 62487e4e08SRasmus Villemoes int "Timeout value for opening watchdog device" 63487e4e08SRasmus Villemoes default 0 64487e4e08SRasmus Villemoes help 65487e4e08SRasmus Villemoes The maximum time, in seconds, for which the watchdog framework takes 66487e4e08SRasmus Villemoes care of pinging a hardware watchdog. A value of 0 means infinite. The 67487e4e08SRasmus Villemoes value set here can be overridden by the commandline parameter 68487e4e08SRasmus Villemoes "watchdog.open_timeout". 69487e4e08SRasmus Villemoes 7033b71126SPratyush Anandconfig WATCHDOG_SYSFS 7133b71126SPratyush Anand bool "Read different watchdog information through sysfs" 7233b71126SPratyush Anand help 7333b71126SPratyush Anand Say Y here if you want to enable watchdog device status read through 7433b71126SPratyush Anand sysfs attributes. 7533b71126SPratyush Anand 767b7d2fdcSCurtis Kleinconfig WATCHDOG_HRTIMER_PRETIMEOUT 777b7d2fdcSCurtis Klein bool "Enable watchdog hrtimer-based pretimeouts" 787b7d2fdcSCurtis Klein help 797b7d2fdcSCurtis Klein Enable this if you want to use a hrtimer timer based pretimeout for 807b7d2fdcSCurtis Klein watchdogs that do not natively support pretimeout support. Be aware 817b7d2fdcSCurtis Klein that because this pretimeout functionality uses hrtimers, it may not 827b7d2fdcSCurtis Klein be able to fire before the actual watchdog fires in some situations. 837b7d2fdcSCurtis Klein 84471ce88bSGuenter Roeckcomment "Watchdog Pretimeout Governors" 85471ce88bSGuenter Roeck 86471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV 87471ce88bSGuenter Roeck bool "Enable watchdog pretimeout governors" 88471ce88bSGuenter Roeck depends on WATCHDOG_CORE 89471ce88bSGuenter Roeck help 90471ce88bSGuenter Roeck The option allows to select watchdog pretimeout governors. 91471ce88bSGuenter Roeck 92a9f0bda5SGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_SEL 93a9f0bda5SGuenter Roeck tristate 94a9f0bda5SGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV 95a9f0bda5SGuenter Roeck default m 96a9f0bda5SGuenter Roeck select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n 97a9f0bda5SGuenter Roeck 98471ce88bSGuenter Roeckif WATCHDOG_PRETIMEOUT_GOV 99471ce88bSGuenter Roeck 100471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_NOOP 101471ce88bSGuenter Roeck tristate "Noop watchdog pretimeout governor" 1020d3e1563SGuenter Roeck depends on WATCHDOG_CORE 103471ce88bSGuenter Roeck default WATCHDOG_CORE 104471ce88bSGuenter Roeck help 105471ce88bSGuenter Roeck Noop watchdog pretimeout governor, only an informational 106471ce88bSGuenter Roeck message is added to kernel log buffer. 107471ce88bSGuenter Roeck 108471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_GOV_PANIC 109471ce88bSGuenter Roeck tristate "Panic watchdog pretimeout governor" 1100d3e1563SGuenter Roeck depends on WATCHDOG_CORE 111471ce88bSGuenter Roeck default WATCHDOG_CORE 112471ce88bSGuenter Roeck help 113471ce88bSGuenter Roeck Panic watchdog pretimeout governor, on watchdog pretimeout 114471ce88bSGuenter Roeck event put the kernel into panic. 115471ce88bSGuenter Roeck 116471ce88bSGuenter Roeckchoice 117471ce88bSGuenter Roeck prompt "Default Watchdog Pretimeout Governor" 118471ce88bSGuenter Roeck default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 119471ce88bSGuenter Roeck help 120471ce88bSGuenter Roeck This option selects a default watchdog pretimeout governor. 121471ce88bSGuenter Roeck The governor takes its action, if a watchdog is capable 122471ce88bSGuenter Roeck to report a pretimeout event. 123471ce88bSGuenter Roeck 124471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP 125471ce88bSGuenter Roeck bool "noop" 126471ce88bSGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV_NOOP 127471ce88bSGuenter Roeck help 128471ce88bSGuenter Roeck Use noop watchdog pretimeout governor by default. If noop 129471ce88bSGuenter Roeck governor is selected by a user, write a short message to 130471ce88bSGuenter Roeck the kernel log buffer and don't do any system changes. 131471ce88bSGuenter Roeck 132471ce88bSGuenter Roeckconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 133471ce88bSGuenter Roeck bool "panic" 134471ce88bSGuenter Roeck depends on WATCHDOG_PRETIMEOUT_GOV_PANIC 135471ce88bSGuenter Roeck help 136471ce88bSGuenter Roeck Use panic watchdog pretimeout governor by default, if 137471ce88bSGuenter Roeck a watchdog pretimeout event happens, consider that 138471ce88bSGuenter Roeck a watchdog feeder is dead and reboot is unavoidable. 139471ce88bSGuenter Roeck 140471ce88bSGuenter Roeckendchoice 141471ce88bSGuenter Roeck 142471ce88bSGuenter Roeckendif # WATCHDOG_PRETIMEOUT_GOV 143471ce88bSGuenter Roeck 144b7e04f8cSWim Van Sebroeck# 145b7e04f8cSWim Van Sebroeck# General Watchdog drivers 146b7e04f8cSWim Van Sebroeck# 147b7e04f8cSWim Van Sebroeck 148b7e04f8cSWim Van Sebroeckcomment "Watchdog Device Drivers" 149b7e04f8cSWim Van Sebroeck 150b7e04f8cSWim Van Sebroeck# Architecture Independent 151b7e04f8cSWim Van Sebroeck 152b7e04f8cSWim Van Sebroeckconfig SOFT_WATCHDOG 153b7e04f8cSWim Van Sebroeck tristate "Software watchdog" 154a5132cafSAlan Cox select WATCHDOG_CORE 155b7e04f8cSWim Van Sebroeck help 156b7e04f8cSWim Van Sebroeck A software monitoring watchdog. This will fail to reboot your system 157b7e04f8cSWim Van Sebroeck from some situations that the hardware watchdog will recover 158b7e04f8cSWim Van Sebroeck from. Equally it's a lot cheaper to install. 159b7e04f8cSWim Van Sebroeck 160b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 161b7e04f8cSWim Van Sebroeck module will be called softdog. 162b7e04f8cSWim Van Sebroeck 1634cbc6902SWolfram Sangconfig SOFT_WATCHDOG_PRETIMEOUT 1644cbc6902SWolfram Sang bool "Software watchdog pretimeout governor support" 1654cbc6902SWolfram Sang depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV 1664cbc6902SWolfram Sang help 1674cbc6902SWolfram Sang Enable this if you want to use pretimeout governors with the software 1684cbc6902SWolfram Sang watchdog. Be aware that governors might affect the watchdog because it 1694cbc6902SWolfram Sang is purely software, e.g. the panic governor will stall it! 1704cbc6902SWolfram Sang 171b237bcacSMatti Vaittinenconfig BD957XMUF_WATCHDOG 172b237bcacSMatti Vaittinen tristate "ROHM BD9576MUF and BD9573MUF PMIC Watchdog" 173b237bcacSMatti Vaittinen depends on MFD_ROHM_BD957XMUF 174b237bcacSMatti Vaittinen select WATCHDOG_CORE 175b237bcacSMatti Vaittinen help 176b237bcacSMatti Vaittinen Support for the watchdog in the ROHM BD9576 and BD9573 PMICs. 177b237bcacSMatti Vaittinen These PMIC ICs contain watchdog block which can be configured 178b237bcacSMatti Vaittinen to toggle reset line if SoC fails to ping watchdog via GPIO. 179b237bcacSMatti Vaittinen 180b237bcacSMatti Vaittinen Say Y here to include support for the ROHM BD9576 or BD9573 181b237bcacSMatti Vaittinen watchdog. Alternatively say M to compile the driver as a module, 182b237bcacSMatti Vaittinen which will be called bd9576_wdt. 183b237bcacSMatti Vaittinen 184664a0d78SAshish Jangamconfig DA9052_WATCHDOG 185664a0d78SAshish Jangam tristate "Dialog DA9052 Watchdog" 186da2a68b3SGuenter Roeck depends on PMIC_DA9052 || COMPILE_TEST 187664a0d78SAshish Jangam select WATCHDOG_CORE 188664a0d78SAshish Jangam help 189664a0d78SAshish Jangam Support for the watchdog in the DA9052 PMIC. Watchdog trigger 190664a0d78SAshish Jangam cause system reset. 191664a0d78SAshish Jangam 192664a0d78SAshish Jangam Say Y here to include support for the DA9052 watchdog. 193664a0d78SAshish Jangam Alternatively say M to compile the driver as a module, 194664a0d78SAshish Jangam which will be called da9052_wdt. 195664a0d78SAshish Jangam 196312b00e1SAshish Jangamconfig DA9055_WATCHDOG 197312b00e1SAshish Jangam tristate "Dialog Semiconductor DA9055 Watchdog" 198da2a68b3SGuenter Roeck depends on MFD_DA9055 || COMPILE_TEST 19912a5c05cSRandy Dunlap select WATCHDOG_CORE 200312b00e1SAshish Jangam help 201312b00e1SAshish Jangam If you say yes here you get support for watchdog on the Dialog 202312b00e1SAshish Jangam Semiconductor DA9055 PMIC. 203312b00e1SAshish Jangam 204312b00e1SAshish Jangam This driver can also be built as a module. If so, the module 205312b00e1SAshish Jangam will be called da9055_wdt. 206312b00e1SAshish Jangam 2075e9c16e3SKrystian Garbaciakconfig DA9063_WATCHDOG 2085e9c16e3SKrystian Garbaciak tristate "Dialog DA9063 Watchdog" 209da2a68b3SGuenter Roeck depends on MFD_DA9063 || COMPILE_TEST 2107d608c33SAndrej Picej depends on I2C 2115e9c16e3SKrystian Garbaciak select WATCHDOG_CORE 2125e9c16e3SKrystian Garbaciak help 2135e9c16e3SKrystian Garbaciak Support for the watchdog in the DA9063 PMIC. 2145e9c16e3SKrystian Garbaciak 2155e9c16e3SKrystian Garbaciak This driver can be built as a module. The module name is da9063_wdt. 2165e9c16e3SKrystian Garbaciak 2177a7cb009SS Twissconfig DA9062_WATCHDOG 21872106c18SSteve Twiss tristate "Dialog DA9062/61 Watchdog" 219da2a68b3SGuenter Roeck depends on MFD_DA9062 || COMPILE_TEST 22044144c80SGuenter Roeck depends on I2C 2217a7cb009SS Twiss select WATCHDOG_CORE 2227a7cb009SS Twiss help 22372106c18SSteve Twiss Support for the watchdog in the DA9062 and DA9061 PMICs. 2247a7cb009SS Twiss 2257a7cb009SS Twiss This driver can be built as a module. The module name is da9062_wdt. 2267a7cb009SS Twiss 22725134eafSAlexander Shiyanconfig GPIO_WATCHDOG 22825134eafSAlexander Shiyan tristate "Watchdog device controlled through GPIO-line" 22925134eafSAlexander Shiyan depends on OF_GPIO 23025134eafSAlexander Shiyan select WATCHDOG_CORE 23125134eafSAlexander Shiyan help 23225134eafSAlexander Shiyan If you say yes here you get support for watchdog device 23325134eafSAlexander Shiyan controlled through GPIO-line. 23425134eafSAlexander Shiyan 2355e53c8edSJean-Baptiste Theouconfig GPIO_WATCHDOG_ARCH_INITCALL 2365e53c8edSJean-Baptiste Theou bool "Register the watchdog as early as possible" 2375e53c8edSJean-Baptiste Theou depends on GPIO_WATCHDOG=y 2385e53c8edSJean-Baptiste Theou help 2395e53c8edSJean-Baptiste Theou In some situations, the default initcall level (module_init) 2405e53c8edSJean-Baptiste Theou in not early enough in the boot process to avoid the watchdog 2415e53c8edSJean-Baptiste Theou to be triggered. 2425e53c8edSJean-Baptiste Theou If you say yes here, the initcall level would be raised to 2435e53c8edSJean-Baptiste Theou arch_initcall. 2445e53c8edSJean-Baptiste Theou If in doubt, say N. 2455e53c8edSJean-Baptiste Theou 24650332639SAndreas Wernerconfig MENF21BMC_WATCHDOG 24750332639SAndreas Werner tristate "MEN 14F021P00 BMC Watchdog" 248da2a68b3SGuenter Roeck depends on MFD_MENF21BMC || COMPILE_TEST 2496fb303a8SArnd Bergmann depends on I2C 25050332639SAndreas Werner select WATCHDOG_CORE 25150332639SAndreas Werner help 25250332639SAndreas Werner Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 25350332639SAndreas Werner 25450332639SAndreas Werner This driver can also be built as a module. If so the module 25550332639SAndreas Werner will be called menf21bmc_wdt. 25650332639SAndreas Werner 25781ceed41SJohannes Thumshirnconfig MENZ069_WATCHDOG 25881ceed41SJohannes Thumshirn tristate "MEN 16Z069 Watchdog" 25912aea518SJohannes Thumshirn depends on MCB 26081ceed41SJohannes Thumshirn select WATCHDOG_CORE 26181ceed41SJohannes Thumshirn help 26281ceed41SJohannes Thumshirn Say Y here to include support for the MEN 16Z069 Watchdog. 26381ceed41SJohannes Thumshirn 26481ceed41SJohannes Thumshirn This driver can also be built as a module. If so the module 26581ceed41SJohannes Thumshirn will be called menz069_wdt. 26681ceed41SJohannes Thumshirn 267058dfc76SMika Westerbergconfig WDAT_WDT 268058dfc76SMika Westerberg tristate "ACPI Watchdog Action Table (WDAT)" 269058dfc76SMika Westerberg depends on ACPI 270effb46b4SMika Westerberg select WATCHDOG_CORE 271058dfc76SMika Westerberg select ACPI_WATCHDOG 272058dfc76SMika Westerberg help 273058dfc76SMika Westerberg This driver adds support for systems with ACPI Watchdog Action 274058dfc76SMika Westerberg Table (WDAT) table. Servers typically have this but it can be 275058dfc76SMika Westerberg found on some desktop machines as well. This driver will take 276058dfc76SMika Westerberg over the native iTCO watchdog driver found on many Intel CPUs. 277058dfc76SMika Westerberg 278058dfc76SMika Westerberg To compile this driver as module, choose M here: the module will 279058dfc76SMika Westerberg be called wdat_wdt. 280058dfc76SMika Westerberg 281502a0106SMark Brownconfig WM831X_WATCHDOG 282502a0106SMark Brown tristate "WM831x watchdog" 283d0e32fbaSArnd Bergmann depends on MFD_WM831X 28400411ee9SMark Brown select WATCHDOG_CORE 285502a0106SMark Brown help 286502a0106SMark Brown Support for the watchdog in the WM831x AudioPlus PMICs. When 287502a0106SMark Brown the watchdog triggers the system will be reset. 288502a0106SMark Brown 289006948baSMark Brownconfig WM8350_WATCHDOG 290006948baSMark Brown tristate "WM8350 watchdog" 291006948baSMark Brown depends on MFD_WM8350 2922e51d90fSAxel Lin select WATCHDOG_CORE 293006948baSMark Brown help 294006948baSMark Brown Support for the watchdog in the WM8350 AudioPlus PMIC. When 295006948baSMark Brown the watchdog triggers the system will be reset. 296006948baSMark Brown 297c9dcf9f2SMichal Simekconfig XILINX_WATCHDOG 298c9dcf9f2SMichal Simek tristate "Xilinx Watchdog timer" 29971fd380aSChen Gang depends on HAS_IOMEM 300c9dcf9f2SMichal Simek select WATCHDOG_CORE 301c9dcf9f2SMichal Simek help 30201028829SRandy Dunlap Watchdog driver for the xps_timebase_wdt IP core. 303c9dcf9f2SMichal Simek 304c9dcf9f2SMichal Simek To compile this driver as a module, choose M here: the 305c9dcf9f2SMichal Simek module will be called of_xilinx_wdt. 306c9dcf9f2SMichal Simek 3072a7b753aSMartyn Welchconfig ZIIRAVE_WATCHDOG 3082a7b753aSMartyn Welch tristate "Zodiac RAVE Watchdog Timer" 3092a7b753aSMartyn Welch depends on I2C 3102a7b753aSMartyn Welch select WATCHDOG_CORE 3112a7b753aSMartyn Welch help 3122a7b753aSMartyn Welch Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 3132a7b753aSMartyn Welch Processor. 3142a7b753aSMartyn Welch 3152a7b753aSMartyn Welch To compile this driver as a module, choose M here: the 3162a7b753aSMartyn Welch module will be called ziirave_wdt. 3172a7b753aSMartyn Welch 318c3bb3334SAndrey Smirnovconfig RAVE_SP_WATCHDOG 319c3bb3334SAndrey Smirnov tristate "RAVE SP Watchdog timer" 320c3bb3334SAndrey Smirnov depends on RAVE_SP_CORE 32120e6bb17SArnd Bergmann depends on NVMEM || !NVMEM 322c3bb3334SAndrey Smirnov select WATCHDOG_CORE 323c3bb3334SAndrey Smirnov help 324c3bb3334SAndrey Smirnov Support for the watchdog on RAVE SP device. 325c3bb3334SAndrey Smirnov 326c60923ddSMichael Shychconfig MLX_WDT 327c60923ddSMichael Shych tristate "Mellanox Watchdog" 328c60923ddSMichael Shych depends on MELLANOX_PLATFORM 329c60923ddSMichael Shych select WATCHDOG_CORE 330c60923ddSMichael Shych select REGMAP 331c60923ddSMichael Shych help 332c60923ddSMichael Shych This is the driver for the hardware watchdog on Mellanox systems. 333c60923ddSMichael Shych If you are going to use it, say Y here, otherwise N. 334c60923ddSMichael Shych This driver can be used together with the watchdog daemon. 335c60923ddSMichael Shych It can also watch your kernel to make sure it doesn't freeze, 336c60923ddSMichael Shych and if it does, it reboots your system after a certain amount of 337c60923ddSMichael Shych time. 338c60923ddSMichael Shych 339c60923ddSMichael Shych To compile this driver as a module, choose M here: the 340c60923ddSMichael Shych module will be called mlx-wdt. 341c60923ddSMichael Shych 34285174ca6SMichael Walleconfig SL28CPLD_WATCHDOG 34385174ca6SMichael Walle tristate "Kontron sl28cpld Watchdog" 34485174ca6SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 34585174ca6SMichael Walle select WATCHDOG_CORE 34685174ca6SMichael Walle help 34785174ca6SMichael Walle Say Y here to include support for the watchdog timer 34885174ca6SMichael Walle on the Kontron sl28 CPLD. 34985174ca6SMichael Walle 35085174ca6SMichael Walle To compile this driver as a module, choose M here: the 35185174ca6SMichael Walle module will be called sl28cpld_wdt. 35285174ca6SMichael Walle 353b7e04f8cSWim Van Sebroeck# ALPHA Architecture 354b7e04f8cSWim Van Sebroeck 355b7e04f8cSWim Van Sebroeck# ARM Architecture 356b7e04f8cSWim Van Sebroeck 3574a370278SViresh KUMARconfig ARM_SP805_WATCHDOG 3584a370278SViresh KUMAR tristate "ARM SP805 Watchdog" 3593eafee95SArnd Bergmann depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 3604a516539SViresh Kumar select WATCHDOG_CORE 3614a370278SViresh KUMAR help 3624a370278SViresh KUMAR ARM Primecell SP805 Watchdog timer. This will reboot your system when 3634a370278SViresh KUMAR the timeout is reached. 3644a370278SViresh KUMAR 36557d2caaaSFu Weiconfig ARM_SBSA_WATCHDOG 36657d2caaaSFu Wei tristate "ARM SBSA Generic Watchdog" 36757d2caaaSFu Wei depends on ARM64 36857d2caaaSFu Wei depends on ARM_ARCH_TIMER 36957d2caaaSFu Wei select WATCHDOG_CORE 37057d2caaaSFu Wei help 37157d2caaaSFu Wei ARM SBSA Generic Watchdog has two stage timeouts: 37257d2caaaSFu Wei the first signal (WS0) is for alerting the system by interrupt, 37357d2caaaSFu Wei the second one (WS1) is a real hardware reset. 37457d2caaaSFu Wei More details: ARM DEN0029B - Server Base System Architecture (SBSA) 37557d2caaaSFu Wei 37657d2caaaSFu Wei This driver can operate ARM SBSA Generic Watchdog as a single stage 37757d2caaaSFu Wei or a two stages watchdog, it depends on the module parameter "action". 37857d2caaaSFu Wei 37957d2caaaSFu Wei Note: the maximum timeout in the two stages mode is half of that in 38057d2caaaSFu Wei the single stage mode. 38157d2caaaSFu Wei 38257d2caaaSFu Wei To compile this driver as module, choose M here: The module 38357d2caaaSFu Wei will be called sbsa_gwdt. 38457d2caaaSFu Wei 38554e3d9b5SMarek Behúnconfig ARMADA_37XX_WATCHDOG 38654e3d9b5SMarek Behún tristate "Armada 37xx watchdog" 38754e3d9b5SMarek Behún depends on ARCH_MVEBU || COMPILE_TEST 3887f6f1dfbSGuenter Roeck depends on HAS_IOMEM 38954e3d9b5SMarek Behún select MFD_SYSCON 39054e3d9b5SMarek Behún select WATCHDOG_CORE 39154e3d9b5SMarek Behún help 39254e3d9b5SMarek Behún Say Y here to include support for the watchdog timer found on 39354e3d9b5SMarek Behún Marvell Armada 37xx SoCs. 39454e3d9b5SMarek Behún To compile this driver as a module, choose M here: the 39554e3d9b5SMarek Behún module will be called armada_37xx_wdt. 39654e3d9b5SMarek Behún 397aae03dc9SOleksij Rempelconfig ASM9260_WATCHDOG 398aae03dc9SOleksij Rempel tristate "Alphascale ASM9260 watchdog" 399da2a68b3SGuenter Roeck depends on MACH_ASM9260 || COMPILE_TEST 400aae03dc9SOleksij Rempel depends on OF 401aae03dc9SOleksij Rempel select WATCHDOG_CORE 402aae03dc9SOleksij Rempel select RESET_CONTROLLER 403aae03dc9SOleksij Rempel help 40401028829SRandy Dunlap Watchdog timer embedded into Alphascale asm9260 chips. This will 40501028829SRandy Dunlap reboot your system when the timeout is reached. 406aae03dc9SOleksij Rempel 407b7e04f8cSWim Van Sebroeckconfig AT91RM9200_WATCHDOG 408b7e04f8cSWim Van Sebroeck tristate "AT91RM9200 watchdog" 409da2a68b3SGuenter Roeck depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 410b7e04f8cSWim Van Sebroeck help 411b7e04f8cSWim Van Sebroeck Watchdog timer embedded into AT91RM9200 chips. This will reboot your 412b7e04f8cSWim Van Sebroeck system when the timeout is reached. 413b7e04f8cSWim Van Sebroeck 414e6bb42e3SRenaud CERRATOconfig AT91SAM9X_WATCHDOG 415f0e625c1SAndrew Victor tristate "AT91SAM9X / AT91CAP9 watchdog" 416da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 417490ac7afSWenyou Yang select WATCHDOG_CORE 418e6bb42e3SRenaud CERRATO help 419f0e625c1SAndrew Victor Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 420f0e625c1SAndrew Victor reboot your system when the timeout is reached. 421e6bb42e3SRenaud CERRATO 42276534860SWenyou Yangconfig SAMA5D4_WATCHDOG 42376534860SWenyou Yang tristate "Atmel SAMA5D4 Watchdog Timer" 424da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 42576534860SWenyou Yang select WATCHDOG_CORE 42676534860SWenyou Yang help 42776534860SWenyou Yang Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 42876534860SWenyou Yang Its Watchdog Timer Mode Register can be written more than once. 42976534860SWenyou Yang This will reboot your system when the timeout is reached. 43076534860SWenyou Yang 43158bf0164SHarini Katakamconfig CADENCE_WATCHDOG 43258bf0164SHarini Katakam tristate "Cadence Watchdog Timer" 4336960d485SRichard Weinberger depends on HAS_IOMEM 43458bf0164SHarini Katakam select WATCHDOG_CORE 43558bf0164SHarini Katakam help 43658bf0164SHarini Katakam Say Y here if you want to include support for the watchdog 43758bf0164SHarini Katakam timer in the Xilinx Zynq. 43858bf0164SHarini Katakam 439b7e04f8cSWim Van Sebroeckconfig 21285_WATCHDOG 440b7e04f8cSWim Van Sebroeck tristate "DC21285 watchdog" 441b7e04f8cSWim Van Sebroeck depends on FOOTBRIDGE 442b7e04f8cSWim Van Sebroeck help 443b7e04f8cSWim Van Sebroeck The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 444b7e04f8cSWim Van Sebroeck here if you wish to use this. Alternatively say M to compile the 445b7e04f8cSWim Van Sebroeck driver as a module, which will be called wdt285. 446b7e04f8cSWim Van Sebroeck 447b7e04f8cSWim Van Sebroeck This driver does not work on all machines. In particular, early CATS 448b7e04f8cSWim Van Sebroeck boards have hardware problems that will cause the machine to simply 449b7e04f8cSWim Van Sebroeck lock up if the watchdog fires. 450b7e04f8cSWim Van Sebroeck 451b7e04f8cSWim Van Sebroeck "If in doubt, leave it out" - say N. 452b7e04f8cSWim Van Sebroeck 453b7e04f8cSWim Van Sebroeckconfig 977_WATCHDOG 454b7e04f8cSWim Van Sebroeck tristate "NetWinder WB83C977 watchdog" 455da2a68b3SGuenter Roeck depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 456b7e04f8cSWim Van Sebroeck help 457b7e04f8cSWim Van Sebroeck Say Y here to include support for the WB977 watchdog included in 458b7e04f8cSWim Van Sebroeck NetWinder machines. Alternatively say M to compile the driver as 459b7e04f8cSWim Van Sebroeck a module, which will be called wdt977. 460b7e04f8cSWim Van Sebroeck 461b7e04f8cSWim Van Sebroeck Not sure? It's safe to say N. 462b7e04f8cSWim Van Sebroeck 463766a2aadSLinus Walleijconfig FTWDT010_WATCHDOG 464766a2aadSLinus Walleij tristate "Faraday Technology FTWDT010 watchdog" 465766a2aadSLinus Walleij depends on ARM || COMPILE_TEST 466eca10ae6SLinus Walleij select WATCHDOG_CORE 467766a2aadSLinus Walleij default ARCH_GEMINI 468eca10ae6SLinus Walleij help 469766a2aadSLinus Walleij Say Y here if to include support for the Faraday Technology 470766a2aadSLinus Walleij FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 471766a2aadSLinus Walleij family of devices. 472eca10ae6SLinus Walleij 473eca10ae6SLinus Walleij To compile this driver as a module, choose M here: the 474766a2aadSLinus Walleij module will be called ftwdt010_wdt. 475eca10ae6SLinus Walleij 476b7e04f8cSWim Van Sebroeckconfig IXP4XX_WATCHDOG 477b7e04f8cSWim Van Sebroeck tristate "IXP4xx Watchdog" 478b7e04f8cSWim Van Sebroeck depends on ARCH_IXP4XX 479580b8e28SLinus Walleij select WATCHDOG_CORE 480b7e04f8cSWim Van Sebroeck help 481b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 482b7e04f8cSWim Van Sebroeck in the Intel IXP4xx network processors. This driver can 483b7e04f8cSWim Van Sebroeck be built as a module by choosing M. The module will 484b7e04f8cSWim Van Sebroeck be called ixp4xx_wdt. 485b7e04f8cSWim Van Sebroeck 486b7e04f8cSWim Van Sebroeck Note: The internal IXP4xx watchdog does a soft CPU reset 487b7e04f8cSWim Van Sebroeck which doesn't reset any peripherals. There are circumstances 488b7e04f8cSWim Van Sebroeck where the watchdog will fail to reset the board correctly 489b7e04f8cSWim Van Sebroeck (e.g., if the boot ROM is in an unreadable state). 490b7e04f8cSWim Van Sebroeck 491b7e04f8cSWim Van Sebroeck Say N if you are unsure. 492b7e04f8cSWim Van Sebroeck 493b7e04f8cSWim Van Sebroeckconfig S3C2410_WATCHDOG 494b7e04f8cSWim Van Sebroeck tristate "S3C2410 Watchdog" 4957dd3cae9SKrzysztof Kozlowski depends on ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || \ 4967dd3cae9SKrzysztof Kozlowski COMPILE_TEST 49725dc46e3SWolfram Sang select WATCHDOG_CORE 49853eac48dSKrzysztof Kozlowski select MFD_SYSCON if ARCH_EXYNOS 499b7e04f8cSWim Van Sebroeck help 500981785daSKrzysztof Kozlowski Watchdog timer block in the Samsung S3C24xx, S3C64xx, S5Pv210 and 501981785daSKrzysztof Kozlowski Exynos SoCs. This will reboot the system when the timer expires with 502981785daSKrzysztof Kozlowski the watchdog enabled. 503b7e04f8cSWim Van Sebroeck 504b7e04f8cSWim Van Sebroeck The driver is limited by the speed of the system's PCLK 505b7e04f8cSWim Van Sebroeck signal, so with reasonably fast systems (PCLK around 50-66MHz) 506b7e04f8cSWim Van Sebroeck then watchdog intervals of over approximately 20seconds are 507b7e04f8cSWim Van Sebroeck unavailable. 508b7e04f8cSWim Van Sebroeck 509981785daSKrzysztof Kozlowski Choose Y/M here only if you build for such Samsung SoC. 510b7e04f8cSWim Van Sebroeck The driver can be built as a module by choosing M, and will 511981785daSKrzysztof Kozlowski be called s3c2410_wdt. 512b7e04f8cSWim Van Sebroeck 513b7e04f8cSWim Van Sebroeckconfig SA1100_WATCHDOG 514b7e04f8cSWim Van Sebroeck tristate "SA1100/PXA2xx watchdog" 515b7e04f8cSWim Van Sebroeck depends on ARCH_SA1100 || ARCH_PXA 516b7e04f8cSWim Van Sebroeck help 517b7e04f8cSWim Van Sebroeck Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 518b7e04f8cSWim Van Sebroeck reboot your system when timeout is reached. 519b7e04f8cSWim Van Sebroeck 520b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 521b7e04f8cSWim Van Sebroeck 522b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 523b7e04f8cSWim Van Sebroeck module will be called sa1100_wdt. 524b7e04f8cSWim Van Sebroeck 525c9353ae1SJamie Ilesconfig DW_WATCHDOG 526c9353ae1SJamie Iles tristate "Synopsys DesignWare watchdog" 5271ccfe6f9SRichard Weinberger depends on HAS_IOMEM 528f29a72c2SGuenter Roeck select WATCHDOG_CORE 529c9353ae1SJamie Iles help 530c9353ae1SJamie Iles Say Y here if to include support for the Synopsys DesignWare 53158a251f2SBaruch Siach watchdog timer found in many chips. 532c9353ae1SJamie Iles To compile this driver as a module, choose M here: the 533c9353ae1SJamie Iles module will be called dw_wdt. 534c9353ae1SJamie Iles 535b7e04f8cSWim Van Sebroeckconfig EP93XX_WATCHDOG 536b7e04f8cSWim Van Sebroeck tristate "EP93xx Watchdog" 537da2a68b3SGuenter Roeck depends on ARCH_EP93XX || COMPILE_TEST 538e12a679dSH Hartley Sweeten select WATCHDOG_CORE 539b7e04f8cSWim Van Sebroeck help 540b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 541b7e04f8cSWim Van Sebroeck embedded in the Cirrus Logic EP93xx family of devices. 542b7e04f8cSWim Van Sebroeck 543b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 544b7e04f8cSWim Van Sebroeck module will be called ep93xx_wdt. 545b7e04f8cSWim Van Sebroeck 546b7e04f8cSWim Van Sebroeckconfig OMAP_WATCHDOG 547b7e04f8cSWim Van Sebroeck tristate "OMAP Watchdog" 548da2a68b3SGuenter Roeck depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 54967c0f554SAaro Koskinen select WATCHDOG_CORE 550b7e04f8cSWim Van Sebroeck help 55101028829SRandy Dunlap Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 55201028829SRandy Dunlap Say 'Y' here to enable the 55301028829SRandy Dunlap OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 554b7e04f8cSWim Van Sebroeck 555b7e04f8cSWim Van Sebroeckconfig PNX4008_WATCHDOG 556d684f05fSRoland Stigge tristate "LPC32XX Watchdog" 557c9b8af43SArnd Bergmann depends on ARCH_LPC32XX || COMPILE_TEST 5586b1e8386SWolfram Sang select WATCHDOG_CORE 559b7e04f8cSWim Van Sebroeck help 560b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 561d684f05fSRoland Stigge in the LPC32XX processor. 562b7e04f8cSWim Van Sebroeck This driver can be built as a module by choosing M. The module 563b7e04f8cSWim Van Sebroeck will be called pnx4008_wdt. 564b7e04f8cSWim Van Sebroeck 565b7e04f8cSWim Van Sebroeck Say N if you are unsure. 566b7e04f8cSWim Van Sebroeck 567b7e04f8cSWim Van Sebroeckconfig DAVINCI_WATCHDOG 568b7e04f8cSWim Van Sebroeck tristate "DaVinci watchdog" 569da2a68b3SGuenter Roeck depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 570f48f3ceaSIvan Khoronzhuk select WATCHDOG_CORE 571b7e04f8cSWim Van Sebroeck help 572b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 5738832b200SIvan Khoronzhuk in the DaVinci DM644x/DM646x or Keystone processors. 574b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 575b7e04f8cSWim Van Sebroeck module will be called davinci_wdt. 576b7e04f8cSWim Van Sebroeck 577b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 578b7e04f8cSWim Van Sebroeck Say N if you are unsure. 579b7e04f8cSWim Van Sebroeck 5802d63908bSTero Kristoconfig K3_RTI_WATCHDOG 5812d63908bSTero Kristo tristate "Texas Instruments K3 RTI watchdog" 5822d63908bSTero Kristo depends on ARCH_K3 || COMPILE_TEST 5832d63908bSTero Kristo select WATCHDOG_CORE 5842d63908bSTero Kristo help 5852d63908bSTero Kristo Say Y here if you want to include support for the K3 watchdog 5862d63908bSTero Kristo timer (RTI module) available in the K3 generation of processors. 5872d63908bSTero Kristo 5883b937a7dSNicolas Pitreconfig ORION_WATCHDOG 5893b937a7dSNicolas Pitre tristate "Orion watchdog" 5903e3f354bSArnd Bergmann depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 591c3525e3fSThierry Reding depends on ARM 5920dd6e484SAxel Lin select WATCHDOG_CORE 59322ac9232SSylver Bruneau help 59422ac9232SSylver Bruneau Say Y here if to include support for the watchdog timer 5953b937a7dSNicolas Pitre in the Marvell Orion5x and Kirkwood ARM SoCs. 59622ac9232SSylver Bruneau To compile this driver as a module, choose M here: the 5973b937a7dSNicolas Pitre module will be called orion_wdt. 59822ac9232SSylver Bruneau 59922b1c841SBeniamino Galvaniconfig RN5T618_WATCHDOG 60022b1c841SBeniamino Galvani tristate "Ricoh RN5T618 watchdog" 601da2a68b3SGuenter Roeck depends on MFD_RN5T618 || COMPILE_TEST 60222b1c841SBeniamino Galvani select WATCHDOG_CORE 60322b1c841SBeniamino Galvani help 60422b1c841SBeniamino Galvani If you say yes here you get support for watchdog on the Ricoh 60522b1c841SBeniamino Galvani RN5T618 PMIC. 60622b1c841SBeniamino Galvani 60722b1c841SBeniamino Galvani This driver can also be built as a module. If so, the module 60822b1c841SBeniamino Galvani will be called rn5t618_wdt. 60922b1c841SBeniamino Galvani 610d00680edSCarlo Caioneconfig SUNXI_WATCHDOG 611d00680edSCarlo Caione tristate "Allwinner SoCs watchdog support" 612da2a68b3SGuenter Roeck depends on ARCH_SUNXI || COMPILE_TEST 613d00680edSCarlo Caione select WATCHDOG_CORE 614d00680edSCarlo Caione help 615d00680edSCarlo Caione Say Y here to include support for the watchdog timer 616d00680edSCarlo Caione in Allwinner SoCs. 617d00680edSCarlo Caione To compile this driver as a module, choose M here: the 618d00680edSCarlo Caione module will be called sunxi_wdt. 619d00680edSCarlo Caione 620975b7f0fSJoel Stanleyconfig NPCM7XX_WATCHDOG 621ec242929SGuenter Roeck tristate "Nuvoton NPCM750 watchdog" 622975b7f0fSJoel Stanley depends on ARCH_NPCM || COMPILE_TEST 6237db706a2STomer Maimon default y if ARCH_NPCM7XX 624975b7f0fSJoel Stanley select WATCHDOG_CORE 625975b7f0fSJoel Stanley help 626975b7f0fSJoel Stanley Say Y here to include Watchdog timer support for the 627975b7f0fSJoel Stanley watchdog embedded into the NPCM7xx. 628975b7f0fSJoel Stanley This watchdog is used to reset the system and thus cannot be 629975b7f0fSJoel Stanley compiled as a module. 630975b7f0fSJoel Stanley 63180e45b1eSTimo Kokkonenconfig TWL4030_WATCHDOG 63280e45b1eSTimo Kokkonen tristate "TWL4030 Watchdog" 63380e45b1eSTimo Kokkonen depends on TWL4030_CORE 634b2c4e4b2SJarkko Nikula select WATCHDOG_CORE 63580e45b1eSTimo Kokkonen help 63680e45b1eSTimo Kokkonen Support for TI TWL4030 watchdog. Say 'Y' here to enable the 63780e45b1eSTimo Kokkonen watchdog timer support for TWL4030 chips. 63880e45b1eSTimo Kokkonen 639de6303abSWolfram Sangconfig STMP3XXX_RTC_WATCHDOG 640de6303abSWolfram Sang tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 641da2a68b3SGuenter Roeck depends on RTC_DRV_STMP || COMPILE_TEST 642de6303abSWolfram Sang select WATCHDOG_CORE 643de6303abSWolfram Sang help 644de6303abSWolfram Sang Say Y here to include support for the watchdog timer inside 645de6303abSWolfram Sang the RTC for the STMP37XX/378X or i.MX23/28 SoC. 646de6303abSWolfram Sang To compile this driver as a module, choose M here: the 647de6303abSWolfram Sang module will be called stmp3xxx_rtc_wdt. 648de6303abSWolfram Sang 649bf900639SDamien Riegelconfig TS4800_WATCHDOG 650bf900639SDamien Riegel tristate "TS-4800 Watchdog" 651bf900639SDamien Riegel depends on HAS_IOMEM && OF 6520519e91dSJean Delvare depends on SOC_IMX51 || COMPILE_TEST 653bf900639SDamien Riegel select WATCHDOG_CORE 654bf900639SDamien Riegel select MFD_SYSCON 655bf900639SDamien Riegel help 656bf900639SDamien Riegel Technologic Systems TS-4800 has watchdog timer implemented in 657bf900639SDamien Riegel an external FPGA. Say Y here if you want to support for the 658bf900639SDamien Riegel watchdog timer on TS-4800 board. 659bf900639SDamien Riegel 660c90bf2aaSMika Westerbergconfig TS72XX_WATCHDOG 661c90bf2aaSMika Westerberg tristate "TS-72XX SBC Watchdog" 662da2a68b3SGuenter Roeck depends on MACH_TS72XX || COMPILE_TEST 6630f0dbd9bSShyam Saini select WATCHDOG_CORE 664c90bf2aaSMika Westerberg help 665c90bf2aaSMika Westerberg Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 666c90bf2aaSMika Westerberg watchdog timer implemented in a external CPLD chip. Say Y here 667c90bf2aaSMika Westerberg if you want to support for the watchdog timer on TS-72XX boards. 668c90bf2aaSMika Westerberg 669c90bf2aaSMika Westerberg To compile this driver as a module, choose M here: the 670c90bf2aaSMika Westerberg module will be called ts72xx_wdt. 671c90bf2aaSMika Westerberg 6725e803716SMarc Zyngierconfig MAX63XX_WATCHDOG 6735e803716SMarc Zyngier tristate "Max63xx watchdog" 67404658449SVivien Didelot depends on HAS_IOMEM 675a0f36833SAxel Lin select WATCHDOG_CORE 6765e803716SMarc Zyngier help 6775e803716SMarc Zyngier Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 6785e803716SMarc Zyngier 679ff3bb2f5SLaxman Dewanganconfig MAX77620_WATCHDOG 680ff3bb2f5SLaxman Dewangan tristate "Maxim Max77620 Watchdog Timer" 681*254099d8SLuca Ceresoli depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 682da9e3f4eSDavid Engraf select WATCHDOG_CORE 683ff3bb2f5SLaxman Dewangan help 684ff3bb2f5SLaxman Dewangan This is the driver for the Max77620 watchdog timer. 685ff3bb2f5SLaxman Dewangan Say 'Y' here to enable the watchdog timer support for 686ff3bb2f5SLaxman Dewangan MAX77620 chips. To compile this driver as a module, 687ff3bb2f5SLaxman Dewangan choose M here: the module will be called max77620_wdt. 688ff3bb2f5SLaxman Dewangan 689bb2fd8a8SWolfram Sangconfig IMX2_WDT 690bb2fd8a8SWolfram Sang tristate "IMX2+ Watchdog" 691da2a68b3SGuenter Roeck depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 692a7977003SXiubo Li select REGMAP_MMIO 693faad5de0SAnatolij Gustschin select WATCHDOG_CORE 694bb2fd8a8SWolfram Sang help 695bb2fd8a8SWolfram Sang This is the driver for the hardware watchdog 696bb2fd8a8SWolfram Sang on the Freescale IMX2 and later processors. 697bb2fd8a8SWolfram Sang If you have one of these processors and wish to have 698bb2fd8a8SWolfram Sang watchdog support enabled, say Y, otherwise say N. 699bb2fd8a8SWolfram Sang 700bb2fd8a8SWolfram Sang To compile this driver as a module, choose M here: the 701bb2fd8a8SWolfram Sang module will be called imx2_wdt. 702bb2fd8a8SWolfram Sang 703986857acSAnson Huangconfig IMX_SC_WDT 704986857acSAnson Huang tristate "IMX SC Watchdog" 705986857acSAnson Huang depends on HAVE_ARM_SMCCC 70615f7d7fcSAnson Huang depends on IMX_SCU 707986857acSAnson Huang select WATCHDOG_CORE 708986857acSAnson Huang help 709986857acSAnson Huang This is the driver for the system controller watchdog 710986857acSAnson Huang on the NXP i.MX SoCs with system controller inside, the 711986857acSAnson Huang watchdog driver will call ARM SMC API and trap into 712986857acSAnson Huang ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 713986857acSAnson Huang will request system controller to execute the operations. 714986857acSAnson Huang If you have one of these processors and wish to have 715986857acSAnson Huang watchdog support enabled, say Y, otherwise say N. 716986857acSAnson Huang 717986857acSAnson Huang To compile this driver as a module, choose M here: the 718986857acSAnson Huang module will be called imx_sc_wdt. 719986857acSAnson Huang 72041b630f4SAnson Huangconfig IMX7ULP_WDT 72141b630f4SAnson Huang tristate "IMX7ULP Watchdog" 72241b630f4SAnson Huang depends on ARCH_MXC || COMPILE_TEST 72341b630f4SAnson Huang select WATCHDOG_CORE 72441b630f4SAnson Huang help 72541b630f4SAnson Huang This is the driver for the hardware watchdog on the Freescale 72641b630f4SAnson Huang IMX7ULP and later processors. If you have one of these 72741b630f4SAnson Huang processors and wish to have watchdog support enabled, 72841b630f4SAnson Huang say Y, otherwise say N. 72941b630f4SAnson Huang 73041b630f4SAnson Huang To compile this driver as a module, choose M here: the 73141b630f4SAnson Huang module will be called imx7ulp_wdt. 73241b630f4SAnson Huang 733d0305aacSLinus Walleijconfig DB500_WATCHDOG 734d0305aacSLinus Walleij tristate "ST-Ericsson DB800 watchdog" 7359297b652SArnd Bergmann depends on MFD_DB8500_PRCMU 736f0e5bd41SFabio Baltieri select WATCHDOG_CORE 737f0e5bd41SFabio Baltieri default y 738f0e5bd41SFabio Baltieri help 739f0e5bd41SFabio Baltieri Say Y here to include Watchdog timer support for the watchdog 740d0305aacSLinus Walleij existing in the prcmu of ST-Ericsson DB8500 platform. 741f0e5bd41SFabio Baltieri 742f0e5bd41SFabio Baltieri To compile this driver as a module, choose M here: the 743d0305aacSLinus Walleij module will be called db500_wdt. 744f0e5bd41SFabio Baltieri 7453d3a6d18SAaro Koskinenconfig RETU_WATCHDOG 7463d3a6d18SAaro Koskinen tristate "Retu watchdog" 7479ad82f11SArnd Bergmann depends on MFD_RETU 7483d3a6d18SAaro Koskinen select WATCHDOG_CORE 7493d3a6d18SAaro Koskinen help 7503d3a6d18SAaro Koskinen Retu watchdog driver for Nokia Internet Tablets (770, N800, 7513d3a6d18SAaro Koskinen N810). At least on N800 the watchdog cannot be disabled, so 7523d3a6d18SAaro Koskinen this driver is essential and you should enable it. 7533d3a6d18SAaro Koskinen 7543d3a6d18SAaro Koskinen To compile this driver as a module, choose M here: the 7553d3a6d18SAaro Koskinen module will be called retu_wdt. 7563d3a6d18SAaro Koskinen 757e14538e0SJonas Jensenconfig MOXART_WDT 758e14538e0SJonas Jensen tristate "MOXART watchdog" 759da2a68b3SGuenter Roeck depends on ARCH_MOXART || COMPILE_TEST 760e14538e0SJonas Jensen help 761e14538e0SJonas Jensen Say Y here to include Watchdog timer support for the watchdog 762e14538e0SJonas Jensen existing on the MOXA ART SoC series platforms. 763e14538e0SJonas Jensen 764e14538e0SJonas Jensen To compile this driver as a module, choose M here: the 765e14538e0SJonas Jensen module will be called moxart_wdt. 766e14538e0SJonas Jensen 767f27925a6SLee Jonesconfig ST_LPC_WATCHDOG 768f27925a6SLee Jones tristate "STMicroelectronics LPC Watchdog" 769da2a68b3SGuenter Roeck depends on ARCH_STI || COMPILE_TEST 770f27925a6SLee Jones depends on OF 771f27925a6SLee Jones select WATCHDOG_CORE 772f27925a6SLee Jones help 773f27925a6SLee Jones Say Y here to include STMicroelectronics Low Power Controller 774f27925a6SLee Jones (LPC) based Watchdog timer support. 775f27925a6SLee Jones 776f27925a6SLee Jones To compile this driver as a module, choose M here: the 777f27925a6SLee Jones module will be called st_lpc_wdt. 778f27925a6SLee Jones 779c33a1597SAndrew Chewconfig TEGRA_WATCHDOG 780c33a1597SAndrew Chew tristate "Tegra watchdog" 78171fd380aSChen Gang depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 782c33a1597SAndrew Chew select WATCHDOG_CORE 783c33a1597SAndrew Chew help 784c33a1597SAndrew Chew Say Y here to include support for the watchdog timer 785c33a1597SAndrew Chew embedded in NVIDIA Tegra SoCs. 786c33a1597SAndrew Chew 787c33a1597SAndrew Chew To compile this driver as a module, choose M here: the 788c33a1597SAndrew Chew module will be called tegra_wdt. 789c33a1597SAndrew Chew 7901094ebe9SJosh Cartwrightconfig QCOM_WDT 7911094ebe9SJosh Cartwright tristate "QCOM watchdog" 7921094ebe9SJosh Cartwright depends on HAS_IOMEM 793da2a68b3SGuenter Roeck depends on ARCH_QCOM || COMPILE_TEST 7941094ebe9SJosh Cartwright select WATCHDOG_CORE 7951094ebe9SJosh Cartwright help 7961094ebe9SJosh Cartwright Say Y here to include Watchdog timer support for the watchdog found 7971094ebe9SJosh Cartwright on QCOM chipsets. Currently supported targets are the MSM8960, 7981094ebe9SJosh Cartwright APQ8064, and IPQ8064. 7991094ebe9SJosh Cartwright 8001094ebe9SJosh Cartwright To compile this driver as a module, choose M here: the 8011094ebe9SJosh Cartwright module will be called qcom_wdt. 8021094ebe9SJosh Cartwright 803683fa50fSNeil Armstrongconfig MESON_GXBB_WATCHDOG 804683fa50fSNeil Armstrong tristate "Amlogic Meson GXBB SoCs watchdog support" 805da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 806683fa50fSNeil Armstrong select WATCHDOG_CORE 807683fa50fSNeil Armstrong help 808683fa50fSNeil Armstrong Say Y here to include support for the watchdog timer 809683fa50fSNeil Armstrong in Amlogic Meson GXBB SoCs. 810683fa50fSNeil Armstrong To compile this driver as a module, choose M here: the 811683fa50fSNeil Armstrong module will be called meson_gxbb_wdt. 812683fa50fSNeil Armstrong 81322e1b8f6SCarlo Caioneconfig MESON_WATCHDOG 81422e1b8f6SCarlo Caione tristate "Amlogic Meson SoCs watchdog support" 815da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 81622e1b8f6SCarlo Caione select WATCHDOG_CORE 81722e1b8f6SCarlo Caione help 81822e1b8f6SCarlo Caione Say Y here to include support for the watchdog timer 81922e1b8f6SCarlo Caione in Amlogic Meson SoCs. 82022e1b8f6SCarlo Caione To compile this driver as a module, choose M here: the 82122e1b8f6SCarlo Caione module will be called meson_wdt. 82222e1b8f6SCarlo Caione 823a44a4553SMatthias Bruggerconfig MEDIATEK_WATCHDOG 824a44a4553SMatthias Brugger tristate "Mediatek SoCs watchdog support" 825da2a68b3SGuenter Roeck depends on ARCH_MEDIATEK || COMPILE_TEST 826ab571cbcSKevin Hilman default ARCH_MEDIATEK 827a44a4553SMatthias Brugger select WATCHDOG_CORE 8285eee7c62SRandy Dunlap select RESET_CONTROLLER 829a44a4553SMatthias Brugger help 830a44a4553SMatthias Brugger Say Y here to include support for the watchdog timer 831a44a4553SMatthias Brugger in Mediatek SoCs. 832a44a4553SMatthias Brugger To compile this driver as a module, choose M here: the 833a44a4553SMatthias Brugger module will be called mtk_wdt. 834a44a4553SMatthias Brugger 835336694a0SBaruch Siachconfig DIGICOLOR_WATCHDOG 836336694a0SBaruch Siach tristate "Conexant Digicolor SoCs watchdog support" 837da2a68b3SGuenter Roeck depends on ARCH_DIGICOLOR || COMPILE_TEST 838336694a0SBaruch Siach select WATCHDOG_CORE 839336694a0SBaruch Siach help 840336694a0SBaruch Siach Say Y here to include support for the watchdog timer 841336694a0SBaruch Siach in Conexant Digicolor SoCs. 842336694a0SBaruch Siach To compile this driver as a module, choose M here: the 843336694a0SBaruch Siach module will be called digicolor_wdt. 844336694a0SBaruch Siach 84572a9e7feSJulius Wernerconfig ARM_SMC_WATCHDOG 84672a9e7feSJulius Werner tristate "ARM Secure Monitor Call based watchdog support" 84772a9e7feSJulius Werner depends on ARM || ARM64 84872a9e7feSJulius Werner depends on OF 84972a9e7feSJulius Werner depends on HAVE_ARM_SMCCC 85072a9e7feSJulius Werner select WATCHDOG_CORE 85172a9e7feSJulius Werner help 85272a9e7feSJulius Werner Say Y here to include support for a watchdog timer 85372a9e7feSJulius Werner implemented by the EL3 Secure Monitor on ARM platforms. 85472a9e7feSJulius Werner Requires firmware support. 85572a9e7feSJulius Werner To compile this driver as a module, choose M here: the 85672a9e7feSJulius Werner module will be called arm_smc_wdt. 85772a9e7feSJulius Werner 8587c25f8c9SAriel D'Alessandroconfig LPC18XX_WATCHDOG 8597c25f8c9SAriel D'Alessandro tristate "LPC18xx/43xx Watchdog" 8607c25f8c9SAriel D'Alessandro depends on ARCH_LPC18XX || COMPILE_TEST 861d42d6108SRichard Weinberger depends on HAS_IOMEM 8627c25f8c9SAriel D'Alessandro select WATCHDOG_CORE 8637c25f8c9SAriel D'Alessandro help 8647c25f8c9SAriel D'Alessandro Say Y here if to include support for the watchdog timer 8657c25f8c9SAriel D'Alessandro in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 8667c25f8c9SAriel D'Alessandro processors. 8677c25f8c9SAriel D'Alessandro To compile this driver as a module, choose M here: the 8687c25f8c9SAriel D'Alessandro module will be called lpc18xx_wdt. 8697c25f8c9SAriel D'Alessandro 870bd99b68eSWolfram Sangconfig RENESAS_WDT 871bd99b68eSWolfram Sang tristate "Renesas WDT Watchdog" 872bd99b68eSWolfram Sang depends on ARCH_RENESAS || COMPILE_TEST 873bd99b68eSWolfram Sang select WATCHDOG_CORE 874bd99b68eSWolfram Sang help 875bd99b68eSWolfram Sang This driver adds watchdog support for the integrated watchdogs in the 876bd99b68eSWolfram Sang Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 877bd99b68eSWolfram Sang 878aea24187SChris Brandtconfig RENESAS_RZAWDT 879aea24187SChris Brandt tristate "Renesas RZ/A WDT Watchdog" 880aea24187SChris Brandt depends on ARCH_RENESAS || COMPILE_TEST 881aea24187SChris Brandt select WATCHDOG_CORE 882aea24187SChris Brandt help 883aea24187SChris Brandt This driver adds watchdog support for the integrated watchdogs in the 884aea24187SChris Brandt Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 885aea24187SChris Brandt 8862cbc5cd0SBiju Dasconfig RENESAS_RZG2LWDT 8872cbc5cd0SBiju Das tristate "Renesas RZ/G2L WDT Watchdog" 8882cbc5cd0SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 8892cbc5cd0SBiju Das select WATCHDOG_CORE 8902cbc5cd0SBiju Das help 8912cbc5cd0SBiju Das This driver adds watchdog support for the integrated watchdogs in the 8922cbc5cd0SBiju Das Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 8932cbc5cd0SBiju Das 894efa859f7SJoel Stanleyconfig ASPEED_WATCHDOG 8952050dd06SAndrew Jeffery tristate "Aspeed BMC watchdog support" 896efa859f7SJoel Stanley depends on ARCH_ASPEED || COMPILE_TEST 897efa859f7SJoel Stanley select WATCHDOG_CORE 898efa859f7SJoel Stanley help 899efa859f7SJoel Stanley Say Y here to include support for the watchdog timer 900ffff023aSAndrew Jeffery in Aspeed BMC SoCs. 901efa859f7SJoel Stanley 902efa859f7SJoel Stanley This driver is required to reboot the SoC. 903efa859f7SJoel Stanley 904efa859f7SJoel Stanley To compile this driver as a module, choose M here: the 905efa859f7SJoel Stanley module will be called aspeed_wdt. 906efa859f7SJoel Stanley 9074332d113SYannick Fertreconfig STM32_WATCHDOG 9084332d113SYannick Fertre tristate "STM32 Independent WatchDoG (IWDG) support" 9094332d113SYannick Fertre depends on ARCH_STM32 9104332d113SYannick Fertre select WATCHDOG_CORE 9114332d113SYannick Fertre default y 9124332d113SYannick Fertre help 9134332d113SYannick Fertre Say Y here to include support for the watchdog timer 9144332d113SYannick Fertre in stm32 SoCs. 9154332d113SYannick Fertre 9164332d113SYannick Fertre To compile this driver as a module, choose M here: the 9174332d113SYannick Fertre module will be called stm32_iwdg. 9184332d113SYannick Fertre 91928804c2cSPascal PAILLET-LMEconfig STPMIC1_WATCHDOG 92028804c2cSPascal PAILLET-LME tristate "STPMIC1 PMIC watchdog support" 92128804c2cSPascal PAILLET-LME depends on MFD_STPMIC1 92228804c2cSPascal PAILLET-LME select WATCHDOG_CORE 92328804c2cSPascal PAILLET-LME help 92428804c2cSPascal PAILLET-LME Say Y here to include watchdog support embedded into STPMIC1 PMIC. 92528804c2cSPascal PAILLET-LME If the watchdog timer expires, stpmic1 will shut down all its power 92628804c2cSPascal PAILLET-LME supplies. 92728804c2cSPascal PAILLET-LME 92828804c2cSPascal PAILLET-LME To compile this driver as a module, choose M here: the 92928804c2cSPascal PAILLET-LME module will be called spmic1_wdt. 93028804c2cSPascal PAILLET-LME 931e7bf0289SKeiji Hayashibaraconfig UNIPHIER_WATCHDOG 932e7bf0289SKeiji Hayashibara tristate "UniPhier watchdog support" 933e7bf0289SKeiji Hayashibara depends on ARCH_UNIPHIER || COMPILE_TEST 934e7bf0289SKeiji Hayashibara depends on OF && MFD_SYSCON 935e7bf0289SKeiji Hayashibara select WATCHDOG_CORE 936e7bf0289SKeiji Hayashibara help 937e7bf0289SKeiji Hayashibara Say Y here to include support watchdog timer embedded 938e7bf0289SKeiji Hayashibara into the UniPhier system. 939e7bf0289SKeiji Hayashibara 940e7bf0289SKeiji Hayashibara To compile this driver as a module, choose M here: the 941e7bf0289SKeiji Hayashibara module will be called uniphier_wdt. 942e7bf0289SKeiji Hayashibara 9432bdf6acbSAndreas Färberconfig RTD119X_WATCHDOG 9442bdf6acbSAndreas Färber bool "Realtek RTD119x/RTD129x watchdog support" 9452bdf6acbSAndreas Färber depends on ARCH_REALTEK || COMPILE_TEST 9462bdf6acbSAndreas Färber depends on OF 9472bdf6acbSAndreas Färber select WATCHDOG_CORE 9482bdf6acbSAndreas Färber default ARCH_REALTEK 949b7e04f8cSWim Van Sebroeck help 9502bdf6acbSAndreas Färber Say Y here to include support for the watchdog timer in 9512bdf6acbSAndreas Färber Realtek RTD1295 SoCs. 9522bdf6acbSAndreas Färber 9537d7267aeSSander Vanheuleconfig REALTEK_OTTO_WDT 9547d7267aeSSander Vanheule tristate "Realtek Otto MIPS watchdog support" 9557d7267aeSSander Vanheule depends on MACH_REALTEK_RTL || COMPILE_TEST 9567d7267aeSSander Vanheule depends on COMMON_CLK 9577d7267aeSSander Vanheule select WATCHDOG_CORE 9587d7267aeSSander Vanheule default MACH_REALTEK_RTL 9597d7267aeSSander Vanheule help 9607d7267aeSSander Vanheule Say Y here to include support for the watchdog timer on Realtek 9617d7267aeSSander Vanheule RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 9627d7267aeSSander Vanheule notifications and system reset on timeout. 9637d7267aeSSander Vanheule 9647d7267aeSSander Vanheule When built as a module this will be called realtek_otto_wdt. 9657d7267aeSSander Vanheule 96647760346SEric Longconfig SPRD_WATCHDOG 96747760346SEric Long tristate "Spreadtrum watchdog support" 96847760346SEric Long depends on ARCH_SPRD || COMPILE_TEST 96947760346SEric Long select WATCHDOG_CORE 97047760346SEric Long help 97147760346SEric Long Say Y here to include watchdog timer supported 97247760346SEric Long by Spreadtrum system. 973b7e04f8cSWim Van Sebroeck 974969c0accSLoic Poulainconfig PM8916_WATCHDOG 975969c0accSLoic Poulain tristate "QCOM PM8916 pmic watchdog" 976969c0accSLoic Poulain depends on OF && MFD_SPMI_PMIC 977969c0accSLoic Poulain select WATCHDOG_CORE 978969c0accSLoic Poulain help 979969c0accSLoic Poulain Say Y here to include support watchdog timer embedded into the 980969c0accSLoic Poulain pm8916 module. 981969c0accSLoic Poulain 982c5b8e464SNobuhiro Iwamatsuconfig VISCONTI_WATCHDOG 983c5b8e464SNobuhiro Iwamatsu tristate "Toshiba Visconti series watchdog support" 984c5b8e464SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 985c5b8e464SNobuhiro Iwamatsu select WATCHDOG_CORE 986c5b8e464SNobuhiro Iwamatsu help 987c5b8e464SNobuhiro Iwamatsu Say Y here to include support for the watchdog timer in Toshiba 988c5b8e464SNobuhiro Iwamatsu Visconti SoCs. 989c5b8e464SNobuhiro Iwamatsu 990e9800b79SDaniel Palmerconfig MSC313E_WATCHDOG 991e9800b79SDaniel Palmer tristate "MStar MSC313e watchdog" 992e9800b79SDaniel Palmer depends on ARCH_MSTARV7 || COMPILE_TEST 993e9800b79SDaniel Palmer select WATCHDOG_CORE 994e9800b79SDaniel Palmer help 995e9800b79SDaniel Palmer Say Y here to include support for the Watchdog timer embedded 996e9800b79SDaniel Palmer into MStar MSC313e chips. This will reboot your system when the 997e9800b79SDaniel Palmer timeout is reached. 998e9800b79SDaniel Palmer 999e9800b79SDaniel Palmer To compile this driver as a module, choose M here: the 1000e9800b79SDaniel Palmer module will be called msc313e_wdt. 1001e9800b79SDaniel Palmer 10024ed224aeSSven Peterconfig APPLE_WATCHDOG 10034ed224aeSSven Peter tristate "Apple SoC watchdog" 10044ed224aeSSven Peter depends on ARCH_APPLE || COMPILE_TEST 10054ed224aeSSven Peter select WATCHDOG_CORE 10064ed224aeSSven Peter help 10074ed224aeSSven Peter Say Y here to include support for the Watchdog found in Apple 10084ed224aeSSven Peter SoCs such as the M1. Next to the common watchdog features this 10094ed224aeSSven Peter driver is also required in order to reboot these SoCs. 10104ed224aeSSven Peter 10114ed224aeSSven Peter To compile this driver as a module, choose M here: the 10124ed224aeSSven Peter module will be called apple_wdt. 10134ed224aeSSven Peter 1014b7e04f8cSWim Van Sebroeck# X86 (i386 + ia64 + x86_64) Architecture 1015b7e04f8cSWim Van Sebroeck 1016b7e04f8cSWim Van Sebroeckconfig ACQUIRE_WDT 1017b7e04f8cSWim Van Sebroeck tristate "Acquire SBC Watchdog Timer" 1018b7e04f8cSWim Van Sebroeck depends on X86 1019a7f7f624SMasahiro Yamada help 1020b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on Single Board 1021b7e04f8cSWim Van Sebroeck Computers produced by Acquire Inc (and others). This watchdog 1022b7e04f8cSWim Van Sebroeck simply watches your kernel to make sure it doesn't freeze, and if 1023b7e04f8cSWim Van Sebroeck it does, it reboots your computer after a certain amount of time. 1024b7e04f8cSWim Van Sebroeck 1025b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1026b7e04f8cSWim Van Sebroeck module will be called acquirewdt. 1027b7e04f8cSWim Van Sebroeck 1028b7e04f8cSWim Van Sebroeck Most people will say N. 1029b7e04f8cSWim Van Sebroeck 1030b7e04f8cSWim Van Sebroeckconfig ADVANTECH_WDT 1031b7e04f8cSWim Van Sebroeck tristate "Advantech SBC Watchdog Timer" 1032b7e04f8cSWim Van Sebroeck depends on X86 1033b7e04f8cSWim Van Sebroeck help 1034b7e04f8cSWim Van Sebroeck If you are configuring a Linux kernel for the Advantech single-board 1035b7e04f8cSWim Van Sebroeck computer, say `Y' here to support its built-in watchdog timer 1036b7e04f8cSWim Van Sebroeck feature. More information can be found at 10372ab77a34SAlexander A. Klimov <https://www.advantech.com.tw/products/> 1038b7e04f8cSWim Van Sebroeck 1039b7e04f8cSWim Van Sebroeckconfig ALIM1535_WDT 1040b7e04f8cSWim Van Sebroeck tristate "ALi M1535 PMU Watchdog Timer" 1041b7e04f8cSWim Van Sebroeck depends on X86 && PCI 1042a7f7f624SMasahiro Yamada help 1043b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M1535 PMU. 1044b7e04f8cSWim Van Sebroeck 1045b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1046b7e04f8cSWim Van Sebroeck module will be called alim1535_wdt. 1047b7e04f8cSWim Van Sebroeck 1048b7e04f8cSWim Van Sebroeck Most people will say N. 1049b7e04f8cSWim Van Sebroeck 1050b7e04f8cSWim Van Sebroeckconfig ALIM7101_WDT 1051b7e04f8cSWim Van Sebroeck tristate "ALi M7101 PMU Computer Watchdog" 1052bdd87354SAlexander Clouter depends on PCI 1053b7e04f8cSWim Van Sebroeck help 1054b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M7101 PMU 1055bdd87354SAlexander Clouter as used in the x86 Cobalt servers and also found in some 1056bdd87354SAlexander Clouter SPARC Netra servers too. 1057b7e04f8cSWim Van Sebroeck 1058b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1059b7e04f8cSWim Van Sebroeck module will be called alim7101_wdt. 1060b7e04f8cSWim Van Sebroeck 1061b7e04f8cSWim Van Sebroeck Most people will say N. 1062b7e04f8cSWim Van Sebroeck 1063c36a483dSWilliam Breathitt Grayconfig EBC_C384_WDT 1064c36a483dSWilliam Breathitt Gray tristate "WinSystems EBC-C384 Watchdog Timer" 1065ccfe35eaSWilliam Breathitt Gray depends on X86 1066ccfe35eaSWilliam Breathitt Gray select ISA_BUS_API 1067c36a483dSWilliam Breathitt Gray select WATCHDOG_CORE 1068c36a483dSWilliam Breathitt Gray help 1069c36a483dSWilliam Breathitt Gray Enables watchdog timer support for the watchdog timer on the 1070c36a483dSWilliam Breathitt Gray WinSystems EBC-C384 motherboard. The timeout may be configured via 1071c36a483dSWilliam Breathitt Gray the timeout module parameter. 1072c36a483dSWilliam Breathitt Gray 107396cb4eb0SGiel van Schijndelconfig F71808E_WDT 1074166fbcf8SMaciej S. Szmigiero tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1075e1926349SKees Cook depends on X86 10768bea27edSAhmad Fatoum select WATCHDOG_CORE 107796cb4eb0SGiel van Schijndel help 1078166fbcf8SMaciej S. Szmigiero This is the driver for the hardware watchdog on the Fintek F71808E, 1079ca2fc5efSJaret Cantu F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1080ca2fc5efSJaret Cantu F81866 Super I/O controllers. 108196cb4eb0SGiel van Schijndel 108296cb4eb0SGiel van Schijndel You can compile this driver directly into the kernel, or use 108396cb4eb0SGiel van Schijndel it as a module. The module will be called f71808e_wdt. 108496cb4eb0SGiel van Schijndel 108515e28bf1SPriyanka Guptaconfig SP5100_TCO 108615e28bf1SPriyanka Gupta tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 108715e28bf1SPriyanka Gupta depends on X86 && PCI 1088a17f4f03SWim Van Sebroeck select WATCHDOG_CORE 1089a7f7f624SMasahiro Yamada help 109015e28bf1SPriyanka Gupta Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 109115e28bf1SPriyanka Gupta (Total Cost of Ownership) timer is a watchdog timer that will reboot 109215e28bf1SPriyanka Gupta the machine after its expiration. The expiration time can be 109315e28bf1SPriyanka Gupta configured with the "heartbeat" parameter. 109415e28bf1SPriyanka Gupta 109515e28bf1SPriyanka Gupta To compile this driver as a module, choose M here: the 109615e28bf1SPriyanka Gupta module will be called sp5100_tco. 109796cb4eb0SGiel van Schijndel 10980b36086bSJordan Crouseconfig GEODE_WDT 10990b36086bSJordan Crouse tristate "AMD Geode CS5535/CS5536 Watchdog" 11000369fdf2SArnd Bergmann depends on CS5535_MFGPT 11010b36086bSJordan Crouse help 11020b36086bSJordan Crouse This driver enables a watchdog capability built into the 11030b36086bSJordan Crouse CS5535/CS5536 companion chips for the AMD Geode GX and LX 11040b36086bSJordan Crouse processors. This watchdog watches your kernel to make sure 11050b36086bSJordan Crouse it doesn't freeze, and if it does, it reboots your computer after 11060b36086bSJordan Crouse a certain amount of time. 11070b36086bSJordan Crouse 11080b36086bSJordan Crouse You can compile this driver directly into the kernel, or use 11090b36086bSJordan Crouse it as a module. The module will be called geodewdt. 11100b36086bSJordan Crouse 1111b7e04f8cSWim Van Sebroeckconfig SC520_WDT 1112b7e04f8cSWim Van Sebroeck tristate "AMD Elan SC520 processor Watchdog" 1113da2a68b3SGuenter Roeck depends on MELAN || COMPILE_TEST 1114b7e04f8cSWim Van Sebroeck help 1115b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog built in to the 1116b7e04f8cSWim Van Sebroeck AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1117b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1118b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1119b7e04f8cSWim Van Sebroeck amount of time. 1120b7e04f8cSWim Van Sebroeck 1121b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1122b7e04f8cSWim Van Sebroeck it as a module. The module will be called sc520_wdt. 1123b7e04f8cSWim Van Sebroeck 11243a5f9000SDenis Turischevconfig SBC_FITPC2_WATCHDOG 11253a5f9000SDenis Turischev tristate "Compulab SBC-FITPC2 watchdog" 11263a5f9000SDenis Turischev depends on X86 1127a7f7f624SMasahiro Yamada help 1128ef39a1bfSDenis Turischev This is the driver for the built-in watchdog timer on the fit-PC2, 1129ef39a1bfSDenis Turischev fit-PC2i, CM-iAM single-board computers made by Compulab. 11303a5f9000SDenis Turischev 113101028829SRandy Dunlap It's possible to enable the watchdog timer either from BIOS (F2) or 113201028829SRandy Dunlap from booted Linux. 113301028829SRandy Dunlap When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 113401028829SRandy Dunlap operational range. 11353a5f9000SDenis Turischev 113601028829SRandy Dunlap Entering BIOS setup temporarily disables watchdog operation regardless 113701028829SRandy Dunlap of current state, so system will not be restarted while user is in 113801028829SRandy Dunlap BIOS setup. 11393a5f9000SDenis Turischev 114001028829SRandy Dunlap Once the watchdog is enabled the system will be restarted every 11413a5f9000SDenis Turischev "Watchdog Timer Value" period, so to prevent it user can restart or 11423a5f9000SDenis Turischev disable the watchdog. 11433a5f9000SDenis Turischev 11443a5f9000SDenis Turischev To compile this driver as a module, choose M here: the 11453a5f9000SDenis Turischev module will be called sbc_fitpc2_wdt. 11463a5f9000SDenis Turischev 11473a5f9000SDenis Turischev Most people will say N. 11483a5f9000SDenis Turischev 1149b7e04f8cSWim Van Sebroeckconfig EUROTECH_WDT 1150b7e04f8cSWim Van Sebroeck tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1151b7e04f8cSWim Van Sebroeck depends on X86 1152b7e04f8cSWim Van Sebroeck help 1153b7e04f8cSWim Van Sebroeck Enable support for the watchdog timer on the Eurotech CPU-1220 and 1154b7e04f8cSWim Van Sebroeck CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1155b7e04f8cSWim Van Sebroeck information are at <http://www.eurotech.it/>. 1156b7e04f8cSWim Van Sebroeck 1157b7e04f8cSWim Van Sebroeckconfig IB700_WDT 1158b7e04f8cSWim Van Sebroeck tristate "IB700 SBC Watchdog Timer" 1159b7e04f8cSWim Van Sebroeck depends on X86 1160a7f7f624SMasahiro Yamada help 1161b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the IB700 Single 116201028829SRandy Dunlap Board Computer produced by TMC Technology (www.tmc-uk.com). This 116301028829SRandy Dunlap watchdog simply watches your kernel to make sure it doesn't freeze, 116401028829SRandy Dunlap and if it does, it reboots your computer after a certain amount of time. 1165b7e04f8cSWim Van Sebroeck 116601028829SRandy Dunlap This driver is like the WDT501 driver but for slightly different 116701028829SRandy Dunlap hardware. 1168b7e04f8cSWim Van Sebroeck 1169b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1170b7e04f8cSWim Van Sebroeck module will be called ib700wdt. 1171b7e04f8cSWim Van Sebroeck 1172b7e04f8cSWim Van Sebroeck Most people will say N. 1173b7e04f8cSWim Van Sebroeck 1174b7e04f8cSWim Van Sebroeckconfig IBMASR 1175b7e04f8cSWim Van Sebroeck tristate "IBM Automatic Server Restart" 1176b7e04f8cSWim Van Sebroeck depends on X86 1177b7e04f8cSWim Van Sebroeck help 1178b7e04f8cSWim Van Sebroeck This is the driver for the IBM Automatic Server Restart watchdog 1179b7e04f8cSWim Van Sebroeck timer built-in into some eServer xSeries machines. 1180b7e04f8cSWim Van Sebroeck 1181b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1182b7e04f8cSWim Van Sebroeck module will be called ibmasr. 1183b7e04f8cSWim Van Sebroeck 1184b7e04f8cSWim Van Sebroeckconfig WAFER_WDT 118501ed08c1SVeljkovic Srdjan tristate "ICP Single Board Computer Watchdog Timer" 1186b7e04f8cSWim Van Sebroeck depends on X86 1187b7e04f8cSWim Van Sebroeck help 118801ed08c1SVeljkovic Srdjan This is a driver for the hardware watchdog on the ICP Single 118901ed08c1SVeljkovic Srdjan Board Computer. This driver is working on (at least) the following 119001ed08c1SVeljkovic Srdjan IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1191b7e04f8cSWim Van Sebroeck 1192b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1193b7e04f8cSWim Van Sebroeck module will be called wafer5823wdt. 1194b7e04f8cSWim Van Sebroeck 1195b7e04f8cSWim Van Sebroeckconfig I6300ESB_WDT 1196b7e04f8cSWim Van Sebroeck tristate "Intel 6300ESB Timer/Watchdog" 11977050bd54SMichael Olbrich depends on PCI 11987e2e5158SMatteo Croce select WATCHDOG_CORE 1199a7f7f624SMasahiro Yamada help 1200b7e04f8cSWim Van Sebroeck Hardware driver for the watchdog timer built into the Intel 1201b7e04f8cSWim Van Sebroeck 6300ESB controller hub. 1202b7e04f8cSWim Van Sebroeck 1203b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1204b7e04f8cSWim Van Sebroeck module will be called i6300esb. 1205b7e04f8cSWim Van Sebroeck 1206101ce87bSAlexander Steinconfig IE6XX_WDT 1207101ce87bSAlexander Stein tristate "Intel Atom E6xx Watchdog" 1208101ce87bSAlexander Stein depends on X86 && PCI 1209101ce87bSAlexander Stein select WATCHDOG_CORE 1210101ce87bSAlexander Stein select MFD_CORE 1211101ce87bSAlexander Stein select LPC_SCH 1212a7f7f624SMasahiro Yamada help 1213101ce87bSAlexander Stein Hardware driver for the watchdog timer built into the Intel 1214101ce87bSAlexander Stein Atom E6XX (TunnelCreek) processor. 1215101ce87bSAlexander Stein 1216101ce87bSAlexander Stein To compile this driver as a module, choose M here: the 1217101ce87bSAlexander Stein module will be called ie6xx_wdt. 1218101ce87bSAlexander Stein 121987a1ef80SDavid Cohenconfig INTEL_MID_WATCHDOG 122087a1ef80SDavid Cohen tristate "Intel MID Watchdog Timer" 122187a1ef80SDavid Cohen depends on X86_INTEL_MID 122287a1ef80SDavid Cohen select WATCHDOG_CORE 1223a7f7f624SMasahiro Yamada help 122487a1ef80SDavid Cohen Watchdog timer driver built into the Intel SCU for Intel MID 122587a1ef80SDavid Cohen Platforms. 122687a1ef80SDavid Cohen 122787a1ef80SDavid Cohen This driver currently supports only the watchdog evolution 122887a1ef80SDavid Cohen implementation in SCU, available for Merrifield generation. 122987a1ef80SDavid Cohen 123087a1ef80SDavid Cohen To compile this driver as a module, choose M here. 123187a1ef80SDavid Cohen 1232b7e04f8cSWim Van Sebroeckconfig ITCO_WDT 1233b7e04f8cSWim Van Sebroeck tristate "Intel TCO Timer/Watchdog" 1234b7e04f8cSWim Van Sebroeck depends on (X86 || IA64) && PCI 1235bff23431SWim Van Sebroeck select WATCHDOG_CORE 12363cef072dSGuenter Roeck depends on I2C || I2C=n 1237b30c1a46SArnd Bergmann depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 12382a7a0e9bSMatt Fleming select LPC_ICH if !EXPERT 12393cef072dSGuenter Roeck select I2C_I801 if !EXPERT && I2C 1240a7f7f624SMasahiro Yamada help 1241b7e04f8cSWim Van Sebroeck Hardware driver for the intel TCO timer based watchdog devices. 1242b7e04f8cSWim Van Sebroeck These drivers are included in the Intel 82801 I/O Controller 124312d60e28SWim Van Sebroeck Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1244b7e04f8cSWim Van Sebroeck controller hub. 1245b7e04f8cSWim Van Sebroeck 1246b7e04f8cSWim Van Sebroeck The TCO (Total Cost of Ownership) timer is a watchdog timer 1247b7e04f8cSWim Van Sebroeck that will reboot the machine after its second expiration. The 1248b7e04f8cSWim Van Sebroeck expiration time can be configured with the "heartbeat" parameter. 1249b7e04f8cSWim Van Sebroeck 1250b7e04f8cSWim Van Sebroeck On some motherboards the driver may fail to reset the chipset's 1251b7e04f8cSWim Van Sebroeck NO_REBOOT flag which prevents the watchdog from rebooting the 1252b7e04f8cSWim Van Sebroeck machine. If this is the case you will get a kernel message like 1253b7e04f8cSWim Van Sebroeck "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1254b7e04f8cSWim Van Sebroeck 1255b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1256b7e04f8cSWim Van Sebroeck module will be called iTCO_wdt. 1257b7e04f8cSWim Van Sebroeck 1258b7e04f8cSWim Van Sebroeckconfig ITCO_VENDOR_SUPPORT 1259b7e04f8cSWim Van Sebroeck bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1260b7e04f8cSWim Van Sebroeck depends on ITCO_WDT 1261a7f7f624SMasahiro Yamada help 1262b7e04f8cSWim Van Sebroeck Add vendor specific support to the intel TCO timer based watchdog 1263b7e04f8cSWim Van Sebroeck devices. At this moment we only have additional support for some 1264b7e04f8cSWim Van Sebroeck SuperMicro Inc. motherboards. 1265b7e04f8cSWim Van Sebroeck 126638ff6fd2SJorge Boncompte [DTI2]config IT8712F_WDT 126738ff6fd2SJorge Boncompte [DTI2] tristate "IT8712F (Smart Guardian) Watchdog Timer" 126838ff6fd2SJorge Boncompte [DTI2] depends on X86 1269a7f7f624SMasahiro Yamada help 127038ff6fd2SJorge Boncompte [DTI2] This is the driver for the built-in watchdog timer on the IT8712F 127138ff6fd2SJorge Boncompte [DTI2] Super I/0 chipset used on many motherboards. 127238ff6fd2SJorge Boncompte [DTI2] 12734fc36808SWim Van Sebroeck If the driver does not work, then make sure that the game port in 12744fc36808SWim Van Sebroeck the BIOS is enabled. 12754fc36808SWim Van Sebroeck 127638ff6fd2SJorge Boncompte [DTI2] To compile this driver as a module, choose M here: the 127738ff6fd2SJorge Boncompte [DTI2] module will be called it8712f_wdt. 127838ff6fd2SJorge Boncompte [DTI2] 1279e1fee94fSOliver Schusterconfig IT87_WDT 1280e1fee94fSOliver Schuster tristate "IT87 Watchdog Timer" 1281e1926349SKees Cook depends on X86 12821d7b8039SGuenter Roeck select WATCHDOG_CORE 1283a7f7f624SMasahiro Yamada help 1284cddda07cSGuenter Roeck This is the driver for the hardware watchdog on the ITE IT8607, 1285cddda07cSGuenter Roeck IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1286cddda07cSGuenter Roeck IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1287cddda07cSGuenter Roeck IT8783 Super I/O chips. 1288198ca015SDiego Elio Pettenò 1289dfb0b8eaSOndrej Zajicek This watchdog simply watches your kernel to make sure it doesn't 1290dfb0b8eaSOndrej Zajicek freeze, and if it does, it reboots your computer after a certain 1291dfb0b8eaSOndrej Zajicek amount of time. 1292e1fee94fSOliver Schuster 1293e1fee94fSOliver Schuster To compile this driver as a module, choose M here: the module will 1294e1fee94fSOliver Schuster be called it87_wdt. 1295e1fee94fSOliver Schuster 12967f4da474SThomas Mingarelliconfig HP_WATCHDOG 1297ea6649c7SNaga Chumbalkar tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1298d0a4027fSJerry Hoemann select WATCHDOG_CORE 1299f71d26bbSRandy Dunlap depends on X86 && PCI 13007f4da474SThomas Mingarelli help 130100fd20b4SJerry Hoemann A software monitoring watchdog and NMI handling driver. This driver 130286ded1f3Sdann frazier will detect lockups and provide a stack trace. This is a driver that 1303ea6649c7SNaga Chumbalkar will only load on an HP ProLiant system with a minimum of iLO2 support. 130486ded1f3Sdann frazier To compile this driver as a module, choose M here: the module will be 130586ded1f3Sdann frazier called hpwdt. 130686ded1f3Sdann frazier 1307345f1625SGuenter Roeckconfig HPWDT_NMI_DECODING 1308345f1625SGuenter Roeck bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1309345f1625SGuenter Roeck depends on HP_WATCHDOG 1310345f1625SGuenter Roeck default y 1311345f1625SGuenter Roeck help 1312345f1625SGuenter Roeck Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1313345f1625SGuenter Roeck "Generate NMI to System" virtual button. When an NMI is claimed 1314345f1625SGuenter Roeck by the driver, panic is called. 1315345f1625SGuenter Roeck 1316e51c288eSKevin Strasserconfig KEMPLD_WDT 1317e51c288eSKevin Strasser tristate "Kontron COM Watchdog Timer" 1318ed4a9ecaSArnd Bergmann depends on MFD_KEMPLD 1319e51c288eSKevin Strasser select WATCHDOG_CORE 1320e51c288eSKevin Strasser help 1321e51c288eSKevin Strasser Support for the PLD watchdog on some Kontron ETX and COMexpress 1322e51c288eSKevin Strasser (ETXexpress) modules 1323e51c288eSKevin Strasser 1324e51c288eSKevin Strasser This driver can also be built as a module. If so, the module will be 1325e51c288eSKevin Strasser called kempld_wdt. 1326e51c288eSKevin Strasser 1327b7e04f8cSWim Van Sebroeckconfig SC1200_WDT 1328b7e04f8cSWim Van Sebroeck tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1329b7e04f8cSWim Van Sebroeck depends on X86 1330b7e04f8cSWim Van Sebroeck help 1331b7e04f8cSWim Van Sebroeck This is a driver for National Semiconductor PC87307/PC97307 hardware 1332b7e04f8cSWim Van Sebroeck watchdog cards as found on the SC1200. This watchdog is mainly used 1333b7e04f8cSWim Van Sebroeck for power management purposes and can be used to power down the device 1334b7e04f8cSWim Van Sebroeck during inactivity periods (includes interrupt activity monitoring). 1335b7e04f8cSWim Van Sebroeck 1336b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1337b7e04f8cSWim Van Sebroeck module will be called sc1200wdt. 1338b7e04f8cSWim Van Sebroeck 1339b7e04f8cSWim Van Sebroeck Most people will say N. 1340b7e04f8cSWim Van Sebroeck 1341b7e04f8cSWim Van Sebroeckconfig SCx200_WDT 1342b7e04f8cSWim Van Sebroeck tristate "National Semiconductor SCx200 Watchdog" 1343b7e04f8cSWim Van Sebroeck depends on SCx200 && PCI 1344b7e04f8cSWim Van Sebroeck help 1345b7e04f8cSWim Van Sebroeck Enable the built-in watchdog timer support on the National 1346b7e04f8cSWim Van Sebroeck Semiconductor SCx200 processors. 1347b7e04f8cSWim Van Sebroeck 1348b7e04f8cSWim Van Sebroeck If compiled as a module, it will be called scx200_wdt. 1349b7e04f8cSWim Van Sebroeck 1350b7e04f8cSWim Van Sebroeckconfig PC87413_WDT 1351b7e04f8cSWim Van Sebroeck tristate "NS PC87413 watchdog" 1352b7e04f8cSWim Van Sebroeck depends on X86 1353a7f7f624SMasahiro Yamada help 1354b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the PC87413 chipset 1355b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1356b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1357b7e04f8cSWim Van Sebroeck amount of time. 1358b7e04f8cSWim Van Sebroeck 1359b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1360b7e04f8cSWim Van Sebroeck module will be called pc87413_wdt. 1361b7e04f8cSWim Van Sebroeck 1362b7e04f8cSWim Van Sebroeck Most people will say N. 1363b7e04f8cSWim Van Sebroeck 1364456c7301SMike Waychisonconfig NV_TCO 1365456c7301SMike Waychison tristate "nVidia TCO Timer/Watchdog" 1366456c7301SMike Waychison depends on X86 && PCI 1367a7f7f624SMasahiro Yamada help 1368456c7301SMike Waychison Hardware driver for the TCO timer built into the nVidia Hub family 1369456c7301SMike Waychison (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1370456c7301SMike Waychison watchdog timer that will reboot the machine after its second 1371456c7301SMike Waychison expiration. The expiration time can be configured with the 1372456c7301SMike Waychison "heartbeat" parameter. 1373456c7301SMike Waychison 1374456c7301SMike Waychison On some motherboards the driver may fail to reset the chipset's 1375456c7301SMike Waychison NO_REBOOT flag which prevents the watchdog from rebooting the 1376456c7301SMike Waychison machine. If this is the case you will get a kernel message like 1377456c7301SMike Waychison "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1378456c7301SMike Waychison 1379456c7301SMike Waychison To compile this driver as a module, choose M here: the 1380456c7301SMike Waychison module will be called nv_tco. 1381456c7301SMike Waychison 1382b3e8f2c1SFlorian Fainelliconfig RDC321X_WDT 1383b3e8f2c1SFlorian Fainelli tristate "RDC R-321x SoC watchdog" 1384da2a68b3SGuenter Roeck depends on X86_RDC321X || COMPILE_TEST 13858751f90cSGuenter Roeck depends on PCI 1386b3e8f2c1SFlorian Fainelli help 1387b3e8f2c1SFlorian Fainelli This is the driver for the built in hardware watchdog 1388b3e8f2c1SFlorian Fainelli in the RDC R-321x SoC. 1389b3e8f2c1SFlorian Fainelli 1390b3e8f2c1SFlorian Fainelli To compile this driver as a module, choose M here: the 1391b3e8f2c1SFlorian Fainelli module will be called rdc321x_wdt. 1392b3e8f2c1SFlorian Fainelli 1393b7e04f8cSWim Van Sebroeckconfig 60XX_WDT 1394b7e04f8cSWim Van Sebroeck tristate "SBC-60XX Watchdog Timer" 1395b7e04f8cSWim Van Sebroeck depends on X86 1396b7e04f8cSWim Van Sebroeck help 1397b7e04f8cSWim Van Sebroeck This driver can be used with the watchdog timer found on some 1398b7e04f8cSWim Van Sebroeck single board computers, namely the 6010 PII based computer. 1399b7e04f8cSWim Van Sebroeck It may well work with other cards. It reads port 0x443 to enable 1400b7e04f8cSWim Van Sebroeck and re-set the watchdog timer, and reads port 0x45 to disable 1401b7e04f8cSWim Van Sebroeck the watchdog. If you have a card that behave in similar ways, 1402b7e04f8cSWim Van Sebroeck you can probably make this driver work with your card as well. 1403b7e04f8cSWim Van Sebroeck 1404b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1405b7e04f8cSWim Van Sebroeck it as a module. The module will be called sbc60xxwdt. 1406b7e04f8cSWim Van Sebroeck 1407b7e04f8cSWim Van Sebroeckconfig SBC8360_WDT 1408b7e04f8cSWim Van Sebroeck tristate "SBC8360 Watchdog Timer" 14091e8c8a5bSJean Delvare depends on X86_32 1410a7f7f624SMasahiro Yamada help 1411b7e04f8cSWim Van Sebroeck 1412b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the SBC8360 Single 1413b7e04f8cSWim Van Sebroeck Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1414b7e04f8cSWim Van Sebroeck 1415b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 14164737f097SPavel Machek module will be called sbc8360. 1417b7e04f8cSWim Van Sebroeck 1418b7e04f8cSWim Van Sebroeck Most people will say N. 1419b7e04f8cSWim Van Sebroeck 1420c4c28335SGilles Giganconfig SBC7240_WDT 1421c4c28335SGilles Gigan tristate "SBC Nano 7240 Watchdog Timer" 14223369465eSAl Viro depends on X86_32 && !UML 1423a7f7f624SMasahiro Yamada help 1424c4c28335SGilles Gigan This is the driver for the hardware watchdog found on the IEI 1425c4c28335SGilles Gigan single board computers EPIC Nano 7240 (and likely others). This 1426c4c28335SGilles Gigan watchdog simply watches your kernel to make sure it doesn't freeze, 1427c4c28335SGilles Gigan and if it does, it reboots your computer after a certain amount of 1428c4c28335SGilles Gigan time. 1429c4c28335SGilles Gigan 1430c4c28335SGilles Gigan To compile this driver as a module, choose M here: the 1431c4c28335SGilles Gigan module will be called sbc7240_wdt. 1432c4c28335SGilles Gigan 1433b7e04f8cSWim Van Sebroeckconfig CPU5_WDT 1434b7e04f8cSWim Van Sebroeck tristate "SMA CPU5 Watchdog" 1435b7e04f8cSWim Van Sebroeck depends on X86 1436a7f7f624SMasahiro Yamada help 1437b7e04f8cSWim Van Sebroeck TBD. 1438b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1439b7e04f8cSWim Van Sebroeck module will be called cpu5wdt. 1440b7e04f8cSWim Van Sebroeck 14414c6e63bdSWim Van Sebroeckconfig SMSC_SCH311X_WDT 14424c6e63bdSWim Van Sebroeck tristate "SMSC SCH311X Watchdog Timer" 14434c6e63bdSWim Van Sebroeck depends on X86 1444a7f7f624SMasahiro Yamada help 14454c6e63bdSWim Van Sebroeck This is the driver for the hardware watchdog timer on the 14464c6e63bdSWim Van Sebroeck SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 14474c6e63bdSWim Van Sebroeck (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 14484c6e63bdSWim Van Sebroeck serial ports). 14494c6e63bdSWim Van Sebroeck 14504c6e63bdSWim Van Sebroeck To compile this driver as a module, choose M here: the 14514c6e63bdSWim Van Sebroeck module will be called sch311x_wdt. 14524c6e63bdSWim Van Sebroeck 1453b7e04f8cSWim Van Sebroeckconfig SMSC37B787_WDT 1454b7e04f8cSWim Van Sebroeck tristate "Winbond SMsC37B787 Watchdog Timer" 1455b7e04f8cSWim Van Sebroeck depends on X86 1456a7f7f624SMasahiro Yamada help 1457b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog component on the 1458b7e04f8cSWim Van Sebroeck Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1459b7e04f8cSWim Van Sebroeck from Vision Systems and maybe others. 1460b7e04f8cSWim Van Sebroeck 1461b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1462b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1463b7e04f8cSWim Van Sebroeck amount of time. 1464b7e04f8cSWim Van Sebroeck 1465b7e04f8cSWim Van Sebroeck Usually a userspace daemon will notify the kernel WDT driver that 1466b7e04f8cSWim Van Sebroeck userspace is still alive, at regular intervals. 1467b7e04f8cSWim Van Sebroeck 1468b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1469b7e04f8cSWim Van Sebroeck module will be called smsc37b787_wdt. 1470b7e04f8cSWim Van Sebroeck 1471b7e04f8cSWim Van Sebroeck Most people will say N. 1472b7e04f8cSWim Van Sebroeck 1473e3c21e08SAndrew Lunnconfig TQMX86_WDT 1474e3c21e08SAndrew Lunn tristate "TQ-Systems TQMX86 Watchdog Timer" 1475e3c21e08SAndrew Lunn depends on X86 14769a6c274aSYueHaibing select WATCHDOG_CORE 1477e3c21e08SAndrew Lunn help 1478e3c21e08SAndrew Lunn This is the driver for the hardware watchdog timer in the TQMX86 IO 1479e3c21e08SAndrew Lunn controller found on some of their ComExpress Modules. 1480e3c21e08SAndrew Lunn 1481e3c21e08SAndrew Lunn To compile this driver as a module, choose M here; the module 1482e3c21e08SAndrew Lunn will be called tqmx86_wdt. 1483e3c21e08SAndrew Lunn 1484e3c21e08SAndrew Lunn Most people will say N. 1485e3c21e08SAndrew Lunn 1486dc3c56b7SMarc Vertesconfig VIA_WDT 1487dc3c56b7SMarc Vertes tristate "VIA Watchdog Timer" 1488690e7a70SRandy Dunlap depends on X86 && PCI 1489dc3c56b7SMarc Vertes select WATCHDOG_CORE 1490a7f7f624SMasahiro Yamada help 1491dc3c56b7SMarc Vertes This is the driver for the hardware watchdog timer on VIA 1492dc3c56b7SMarc Vertes southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1493dc3c56b7SMarc Vertes 1494dc3c56b7SMarc Vertes To compile this driver as a module, choose M here; the module 1495dc3c56b7SMarc Vertes will be called via_wdt. 1496dc3c56b7SMarc Vertes 1497dc3c56b7SMarc Vertes Most people will say N. 1498dc3c56b7SMarc Vertes 1499b7e04f8cSWim Van Sebroeckconfig W83627HF_WDT 1500962c04f5SGuenter Roeck tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1501b7e04f8cSWim Van Sebroeck depends on X86 150230a83695SGuenter Roeck select WATCHDOG_CORE 1503a7f7f624SMasahiro Yamada help 1504962c04f5SGuenter Roeck This is the driver for the hardware watchdog on the following 1505962c04f5SGuenter Roeck Super I/O chips. 1506962c04f5SGuenter Roeck W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1507962c04f5SGuenter Roeck W83637HF 1508962c04f5SGuenter Roeck W83667HG/HG-B 1509962c04f5SGuenter Roeck W83687THF 15107b6d0b6aSGuenter Roeck W83697HF 15117b6d0b6aSGuenter Roeck W83697UG 1512962c04f5SGuenter Roeck NCT6775 1513962c04f5SGuenter Roeck NCT6776 1514962c04f5SGuenter Roeck NCT6779 1515a77841d5SGuenter Roeck NCT6791 1516a77841d5SGuenter Roeck NCT6792 151733f74b89SRob Kramer NCT6102D/04D/06D 1518e11cfc69SSrikanth Krishnakar NCT6116D 1519962c04f5SGuenter Roeck 15209c67bea4SBenny Loenstrup Ammitzboell This watchdog simply watches your kernel to make sure it doesn't 15219c67bea4SBenny Loenstrup Ammitzboell freeze, and if it does, it reboots your computer after a certain 15229c67bea4SBenny Loenstrup Ammitzboell amount of time. 1523b7e04f8cSWim Van Sebroeck 1524b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1525b7e04f8cSWim Van Sebroeck module will be called w83627hf_wdt. 1526b7e04f8cSWim Van Sebroeck 1527b7e04f8cSWim Van Sebroeck Most people will say N. 1528b7e04f8cSWim Van Sebroeck 1529b7e04f8cSWim Van Sebroeckconfig W83877F_WDT 1530b7e04f8cSWim Van Sebroeck tristate "W83877F (EMACS) Watchdog Timer" 1531b7e04f8cSWim Van Sebroeck depends on X86 1532a7f7f624SMasahiro Yamada help 1533b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83877F chipset 1534b7e04f8cSWim Van Sebroeck as used in EMACS PC-104 motherboards (and likely others). This 1535b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1536b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1537b7e04f8cSWim Van Sebroeck time. 1538b7e04f8cSWim Van Sebroeck 1539b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1540b7e04f8cSWim Van Sebroeck module will be called w83877f_wdt. 1541b7e04f8cSWim Van Sebroeck 1542b7e04f8cSWim Van Sebroeck Most people will say N. 1543b7e04f8cSWim Van Sebroeck 1544b7e04f8cSWim Van Sebroeckconfig W83977F_WDT 1545b7e04f8cSWim Van Sebroeck tristate "W83977F (PCM-5335) Watchdog Timer" 1546b7e04f8cSWim Van Sebroeck depends on X86 1547a7f7f624SMasahiro Yamada help 1548b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83977F I/O chip 1549b7e04f8cSWim Van Sebroeck as used in AAEON's PCM-5335 SBC (and likely others). This 1550b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1551b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1552b7e04f8cSWim Van Sebroeck time. 1553b7e04f8cSWim Van Sebroeck 1554b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1555b7e04f8cSWim Van Sebroeck module will be called w83977f_wdt. 1556b7e04f8cSWim Van Sebroeck 1557b7e04f8cSWim Van Sebroeckconfig MACHZ_WDT 1558b7e04f8cSWim Van Sebroeck tristate "ZF MachZ Watchdog" 1559b7e04f8cSWim Van Sebroeck depends on X86 1560a7f7f624SMasahiro Yamada help 1561b7e04f8cSWim Van Sebroeck If you are using a ZF Micro MachZ processor, say Y here, otherwise 1562b7e04f8cSWim Van Sebroeck N. This is the driver for the watchdog timer built-in on that 1563b7e04f8cSWim Van Sebroeck processor using ZF-Logic interface. This watchdog simply watches 1564b7e04f8cSWim Van Sebroeck your kernel to make sure it doesn't freeze, and if it does, it 1565b7e04f8cSWim Van Sebroeck reboots your computer after a certain amount of time. 1566b7e04f8cSWim Van Sebroeck 1567b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1568b7e04f8cSWim Van Sebroeck module will be called machzwd. 1569b7e04f8cSWim Van Sebroeck 1570b7e04f8cSWim Van Sebroeckconfig SBC_EPX_C3_WATCHDOG 1571b7e04f8cSWim Van Sebroeck tristate "Winsystems SBC EPX-C3 watchdog" 1572b7e04f8cSWim Van Sebroeck depends on X86 1573a7f7f624SMasahiro Yamada help 1574b7e04f8cSWim Van Sebroeck This is the driver for the built-in watchdog timer on the EPX-C3 1575b7e04f8cSWim Van Sebroeck Single-board computer made by Winsystems, Inc. 1576b7e04f8cSWim Van Sebroeck 1577b7e04f8cSWim Van Sebroeck *Note*: This hardware watchdog is not probeable and thus there 1578b7e04f8cSWim Van Sebroeck is no way to know if writing to its IO address will corrupt 1579b7e04f8cSWim Van Sebroeck your system or have any real effect. The only way to be sure 1580b7e04f8cSWim Van Sebroeck that this driver does what you want is to make sure you 1581b7e04f8cSWim Van Sebroeck are running it on an EPX-C3 from Winsystems with the watchdog 1582b7e04f8cSWim Van Sebroeck timer at IO address 0x1ee and 0x1ef. It will write to both those 1583b7e04f8cSWim Van Sebroeck IO ports. Basically, the assumption is made that if you compile 1584b7e04f8cSWim Van Sebroeck this driver into your kernel and/or load it as a module, that you 1585b7e04f8cSWim Van Sebroeck know what you are doing and that you are in fact running on an 1586b7e04f8cSWim Van Sebroeck EPX-C3 board! 1587b7e04f8cSWim Van Sebroeck 1588b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1589b7e04f8cSWim Van Sebroeck module will be called sbc_epx_c3. 1590b7e04f8cSWim Van Sebroeck 1591222818c3STomas Winklerconfig INTEL_MEI_WDT 1592222818c3STomas Winkler tristate "Intel MEI iAMT Watchdog" 1593222818c3STomas Winkler depends on INTEL_MEI && X86 1594222818c3STomas Winkler select WATCHDOG_CORE 1595a7f7f624SMasahiro Yamada help 1596222818c3STomas Winkler A device driver for the Intel MEI iAMT watchdog. 1597222818c3STomas Winkler 1598222818c3STomas Winkler The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1599222818c3STomas Winkler Whenever the OS hangs or crashes, iAMT will send an event 1600222818c3STomas Winkler to any subscriber to this event. The watchdog doesn't reset the 1601222818c3STomas Winkler the platform. 1602222818c3STomas Winkler 1603222818c3STomas Winkler To compile this driver as a module, choose M here: 1604222818c3STomas Winkler the module will be called mei_wdt. 1605222818c3STomas Winkler 160670f39976SKyle Roeschleyconfig NI903X_WDT 160770f39976SKyle Roeschley tristate "NI 903x/913x Watchdog" 160870f39976SKyle Roeschley depends on X86 && ACPI 160970f39976SKyle Roeschley select WATCHDOG_CORE 1610a7f7f624SMasahiro Yamada help 161170f39976SKyle Roeschley This is the driver for the watchdog timer on the National Instruments 161270f39976SKyle Roeschley 903x/913x real-time controllers. 161370f39976SKyle Roeschley 161470f39976SKyle Roeschley To compile this driver as a module, choose M here: the module will be 161570f39976SKyle Roeschley called ni903x_wdt. 161670f39976SKyle Roeschley 161798078ca3SHui Chun Ongconfig NIC7018_WDT 161898078ca3SHui Chun Ong tristate "NIC7018 Watchdog" 161998078ca3SHui Chun Ong depends on X86 && ACPI 162098078ca3SHui Chun Ong select WATCHDOG_CORE 1621a7f7f624SMasahiro Yamada help 162298078ca3SHui Chun Ong Support for National Instruments NIC7018 Watchdog. 162398078ca3SHui Chun Ong 162498078ca3SHui Chun Ong To compile this driver as a module, choose M here: the module will be 162598078ca3SHui Chun Ong called nic7018_wdt. 162698078ca3SHui Chun Ong 16272ebd32ceSHenning Schildconfig SIEMENS_SIMATIC_IPC_WDT 16282ebd32ceSHenning Schild tristate "Siemens Simatic IPC Watchdog" 16292ebd32ceSHenning Schild depends on SIEMENS_SIMATIC_IPC 16302ebd32ceSHenning Schild select WATCHDOG_CORE 16312ebd32ceSHenning Schild help 16322ebd32ceSHenning Schild This driver adds support for several watchdogs found in Industrial 16332ebd32ceSHenning Schild PCs from Siemens. 16342ebd32ceSHenning Schild 16352ebd32ceSHenning Schild To compile this driver as a module, choose M here: the module will be 16362ebd32ceSHenning Schild called simatic-ipc-wdt. 16372ebd32ceSHenning Schild 1638b7e04f8cSWim Van Sebroeck# M68K Architecture 1639b7e04f8cSWim Van Sebroeck 16404157a04dSPhilippe De Muyterconfig M54xx_WATCHDOG 16414157a04dSPhilippe De Muyter tristate "MCF54xx watchdog support" 164288cce427SPhilippe De Muyter depends on M548x 164388cce427SPhilippe De Muyter help 164488cce427SPhilippe De Muyter To compile this driver as a module, choose M here: the 16454157a04dSPhilippe De Muyter module will be called m54xx_wdt. 1646b7e04f8cSWim Van Sebroeck 1647e9659e69SAlejandro Cabrera# MicroBlaze Architecture 1648e9659e69SAlejandro Cabrera 1649b7e04f8cSWim Van Sebroeck# MIPS Architecture 1650b7e04f8cSWim Van Sebroeck 1651f8394f61SGabor Juhosconfig ATH79_WDT 1652f8394f61SGabor Juhos tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1653da2a68b3SGuenter Roeck depends on ATH79 || (ARM && COMPILE_TEST) 1654f8394f61SGabor Juhos help 1655f8394f61SGabor Juhos Hardware driver for the built-in watchdog timer on the Atheros 1656f8394f61SGabor Juhos AR71XX/AR724X/AR913X SoCs. 1657f8394f61SGabor Juhos 165890074dceSmatthieu castetconfig BCM47XX_WDT 165990074dceSmatthieu castet tristate "Broadcom BCM47xx Watchdog Timer" 1660da2a68b3SGuenter Roeck depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 16615434a04dSHauke Mehrtens select WATCHDOG_CORE 166290074dceSmatthieu castet help 16636b2aac42SMasanari Iida Hardware driver for the Broadcom BCM47xx Watchdog Timer. 166490074dceSmatthieu castet 166503ec5856SFlorian Fainelliconfig RC32434_WDT 166603ec5856SFlorian Fainelli tristate "IDT RC32434 SoC Watchdog Timer" 166703ec5856SFlorian Fainelli depends on MIKROTIK_RB532 166803ec5856SFlorian Fainelli help 166903ec5856SFlorian Fainelli Hardware driver for the IDT RC32434 SoC built-in 167003ec5856SFlorian Fainelli watchdog timer. 167103ec5856SFlorian Fainelli 167203ec5856SFlorian Fainelli To compile this driver as a module, choose M here: the 167303ec5856SFlorian Fainelli module will be called rc32434_wdt. 167403ec5856SFlorian Fainelli 1675b7e04f8cSWim Van Sebroeckconfig INDYDOG 1676b7e04f8cSWim Van Sebroeck tristate "Indy/I2 Hardware Watchdog" 167724f8d233SMatt Redfearn depends on SGI_HAS_INDYDOG 1678b7e04f8cSWim Van Sebroeck help 1679b7e04f8cSWim Van Sebroeck Hardware driver for the Indy's/I2's watchdog. This is a 1680b7e04f8cSWim Van Sebroeck watchdog timer that will reboot the machine after a 60 second 1681b7e04f8cSWim Van Sebroeck timer expired and no process has written to /dev/watchdog during 1682b7e04f8cSWim Van Sebroeck that time. 1683b7e04f8cSWim Van Sebroeck 1684f865c352SPaul Cercueilconfig JZ4740_WDT 1685f865c352SPaul Cercueil tristate "Ingenic jz4740 SoC hardware watchdog" 168633c26ab4SPaul Cercueil depends on MIPS 16871d9c3074SPaul Cercueil depends on COMMON_CLK 168885f6df14SAxel Lin select WATCHDOG_CORE 16896d532143SPaul Cercueil select MFD_SYSCON 1690f865c352SPaul Cercueil help 1691f865c352SPaul Cercueil Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1692f865c352SPaul Cercueil 1693b7e04f8cSWim Van Sebroeckconfig WDT_MTX1 1694b7e04f8cSWim Van Sebroeck tristate "MTX-1 Hardware Watchdog" 1695da2a68b3SGuenter Roeck depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1696b7e04f8cSWim Van Sebroeck help 1697b7e04f8cSWim Van Sebroeck Hardware driver for the MTX-1 boards. This is a watchdog timer that 1698b7e04f8cSWim Van Sebroeck will reboot the machine after a 100 seconds timer expired. 1699b7e04f8cSWim Van Sebroeck 170075c752e6SAndrew Sharpconfig SIBYTE_WDOG 170175c752e6SAndrew Sharp tristate "Sibyte SoC hardware watchdog" 1702c388a189SJackie Liu depends on CPU_SB1 170375c752e6SAndrew Sharp help 170475c752e6SAndrew Sharp Watchdog driver for the built in watchdog hardware in Sibyte 170575c752e6SAndrew Sharp SoC processors. There are apparently two watchdog timers 170675c752e6SAndrew Sharp on such processors; this driver supports only the first one, 170775c752e6SAndrew Sharp because currently Linux only supports exporting one watchdog 170875c752e6SAndrew Sharp to userspace. 170975c752e6SAndrew Sharp 171075c752e6SAndrew Sharp To compile this driver as a loadable module, choose M here. 171175c752e6SAndrew Sharp The module will be called sb_wdog. 171275c752e6SAndrew Sharp 1713c283cf2cSMatteo Croceconfig AR7_WDT 1714c283cf2cSMatteo Croce tristate "TI AR7 Watchdog Timer" 171528b7ee33SJackie Liu depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) 1716c283cf2cSMatteo Croce help 1717c283cf2cSMatteo Croce Hardware driver for the TI AR7 Watchdog Timer. 1718c283cf2cSMatteo Croce 17196f702fceSAtsushi Nemotoconfig TXX9_WDT 17206f702fceSAtsushi Nemoto tristate "Toshiba TXx9 Watchdog Timer" 1721da2a68b3SGuenter Roeck depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST) 1722d6245842SAxel Lin select WATCHDOG_CORE 17236f702fceSAtsushi Nemoto help 17246f702fceSAtsushi Nemoto Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 17256f702fceSAtsushi Nemoto 17264c076fb4SDavid Daneyconfig OCTEON_WDT 17274c076fb4SDavid Daney tristate "Cavium OCTEON SOC family Watchdog Timer" 17289ddebc46SDavid Daney depends on CAVIUM_OCTEON_SOC 17294c076fb4SDavid Daney default y 17303d588c93SAaro Koskinen select WATCHDOG_CORE 17314c076fb4SDavid Daney select EXPORT_UASM if OCTEON_WDT = m 17324c076fb4SDavid Daney help 17334c076fb4SDavid Daney Hardware driver for OCTEON's on chip watchdog timer. 17344c076fb4SDavid Daney Enables the watchdog for all cores running Linux. It 17354c076fb4SDavid Daney installs a NMI handler and pokes the watchdog based on an 17364c076fb4SDavid Daney interrupt. On first expiration of the watchdog, the 17374c076fb4SDavid Daney interrupt handler pokes it. The second expiration causes an 17384c076fb4SDavid Daney NMI that prints a message. The third expiration causes a 17394c076fb4SDavid Daney global soft reset. 17404c076fb4SDavid Daney 17414c076fb4SDavid Daney When userspace has /dev/watchdog open, no poking is done 17424c076fb4SDavid Daney from the first interrupt, it is then only poked when the 17434c076fb4SDavid Daney device is written. 17444c076fb4SDavid Daney 1745938d0a84SLubomir Rintelconfig BCM2835_WDT 1746938d0a84SLubomir Rintel tristate "Broadcom BCM2835 hardware watchdog" 17472672b7e0SArnd Bergmann depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1748938d0a84SLubomir Rintel select WATCHDOG_CORE 1749938d0a84SLubomir Rintel help 1750938d0a84SLubomir Rintel Watchdog driver for the built in watchdog hardware in Broadcom 1751938d0a84SLubomir Rintel BCM2835 SoC. 1752938d0a84SLubomir Rintel 1753938d0a84SLubomir Rintel To compile this driver as a loadable module, choose M here. 1754938d0a84SLubomir Rintel The module will be called bcm2835_wdt. 1755938d0a84SLubomir Rintel 17566adb730dSMarkus Mayerconfig BCM_KONA_WDT 17576adb730dSMarkus Mayer tristate "BCM Kona Watchdog" 1758da2a68b3SGuenter Roeck depends on ARCH_BCM_MOBILE || COMPILE_TEST 17596adb730dSMarkus Mayer select WATCHDOG_CORE 17606adb730dSMarkus Mayer help 17616adb730dSMarkus Mayer Support for the watchdog timer on the following Broadcom BCM281xx 17626adb730dSMarkus Mayer family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 17636adb730dSMarkus Mayer BCM28155 variants. 17646adb730dSMarkus Mayer 17656adb730dSMarkus Mayer Say 'Y' or 'M' here to enable the driver. The module will be called 17666adb730dSMarkus Mayer bcm_kona_wdt. 17676adb730dSMarkus Mayer 17686e2ac20eSMarkus Mayerconfig BCM_KONA_WDT_DEBUG 17696e2ac20eSMarkus Mayer bool "DEBUGFS support for BCM Kona Watchdog" 1770345f1625SGuenter Roeck depends on BCM_KONA_WDT 17716e2ac20eSMarkus Mayer help 17726e2ac20eSMarkus Mayer If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 17736e2ac20eSMarkus Mayer access to the driver's internal data structures as well as watchdog 17746e2ac20eSMarkus Mayer timer hardware registres. 17756e2ac20eSMarkus Mayer 17766e2ac20eSMarkus Mayer If in doubt, say 'N'. 17776e2ac20eSMarkus Mayer 17787a3629feSJustin Chenconfig BCM7038_WDT 1779bc0bf9e9SFlorian Fainelli tristate "BCM63xx/BCM7038 Watchdog" 17807a3629feSJustin Chen select WATCHDOG_CORE 1781d42d6108SRichard Weinberger depends on HAS_IOMEM 1782bc0bf9e9SFlorian Fainelli depends on ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 17837a3629feSJustin Chen help 1784972ec351SJean Delvare Watchdog driver for the built-in hardware in Broadcom 7038 and 1785972ec351SJean Delvare later SoCs used in set-top boxes. BCM7038 was made public 1786972ec351SJean Delvare during the 2004 CES, and since then, many Broadcom chips use this 1787bc0bf9e9SFlorian Fainelli watchdog block, including some cable modem chips and DSL (63xx) 1788bc0bf9e9SFlorian Fainelli chips. 17897a3629feSJustin Chen 179093937669SNaidu Tellapaticonfig IMGPDC_WDT 179193937669SNaidu Tellapati tristate "Imagination Technologies PDC Watchdog Timer" 179293937669SNaidu Tellapati depends on HAS_IOMEM 1793b9b29090SJames Hogan depends on MIPS || COMPILE_TEST 1794df1a3e64SArnd Bergmann select WATCHDOG_CORE 179593937669SNaidu Tellapati help 179693937669SNaidu Tellapati Driver for Imagination Technologies PowerDown Controller 179793937669SNaidu Tellapati Watchdog Timer. 179893937669SNaidu Tellapati 179993937669SNaidu Tellapati To compile this driver as a loadable module, choose M here. 180093937669SNaidu Tellapati The module will be called imgpdc_wdt. 180193937669SNaidu Tellapati 18022f58b8d0SJohn Crispinconfig LANTIQ_WDT 18032f58b8d0SJohn Crispin tristate "Lantiq SoC watchdog" 18042f58b8d0SJohn Crispin depends on LANTIQ 1805dcd7e04eSHauke Mehrtens select WATCHDOG_CORE 18062f58b8d0SJohn Crispin help 18072f58b8d0SJohn Crispin Hardware driver for the Lantiq SoC Watchdog Timer. 18082f58b8d0SJohn Crispin 18091d8565eeSYang Lingconfig LOONGSON1_WDT 18101d8565eeSYang Ling tristate "Loongson1 SoC hardware watchdog" 18111d8565eeSYang Ling depends on MACH_LOONGSON32 18121d8565eeSYang Ling select WATCHDOG_CORE 18131d8565eeSYang Ling help 18141d8565eeSYang Ling Hardware driver for the Loongson1 SoC Watchdog Timer. 18151d8565eeSYang Ling 1816473cf939SJohn Crispinconfig RALINK_WDT 1817473cf939SJohn Crispin tristate "Ralink SoC watchdog" 1818473cf939SJohn Crispin select WATCHDOG_CORE 1819473cf939SJohn Crispin depends on RALINK 1820473cf939SJohn Crispin help 1821473cf939SJohn Crispin Hardware driver for the Ralink SoC Watchdog Timer. 1822473cf939SJohn Crispin 1823ab3f09feSJohn Crispinconfig MT7621_WDT 1824ab3f09feSJohn Crispin tristate "Mediatek SoC watchdog" 1825ab3f09feSJohn Crispin select WATCHDOG_CORE 1826ab3f09feSJohn Crispin depends on SOC_MT7620 || SOC_MT7621 1827ab3f09feSJohn Crispin help 1828ab3f09feSJohn Crispin Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1829ab3f09feSJohn Crispin 18308f91fc56SJoshua Hendersonconfig PIC32_WDT 18318f91fc56SJoshua Henderson tristate "Microchip PIC32 hardware watchdog" 18328f91fc56SJoshua Henderson select WATCHDOG_CORE 1833da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 18348f91fc56SJoshua Henderson help 18358f91fc56SJoshua Henderson Watchdog driver for the built in watchdog hardware in a PIC32. 18368f91fc56SJoshua Henderson 18378f91fc56SJoshua Henderson Configuration bits must be set appropriately for the watchdog to be 18388f91fc56SJoshua Henderson controlled by this driver. 18398f91fc56SJoshua Henderson 18408f91fc56SJoshua Henderson To compile this driver as a loadable module, choose M here. 18418f91fc56SJoshua Henderson The module will be called pic32-wdt. 18428f91fc56SJoshua Henderson 1843b0d8a082SPurna Chandra Mandalconfig PIC32_DMT 1844b0d8a082SPurna Chandra Mandal tristate "Microchip PIC32 Deadman Timer" 1845b0d8a082SPurna Chandra Mandal select WATCHDOG_CORE 1846da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1847b0d8a082SPurna Chandra Mandal help 184801028829SRandy Dunlap Watchdog driver for PIC32 instruction fetch counting timer. This 184901028829SRandy Dunlap specific timer is typically be used in mission critical and safety 185001028829SRandy Dunlap critical applications, where any single failure of the software 185101028829SRandy Dunlap functionality and sequencing must be detected. 1852b0d8a082SPurna Chandra Mandal 1853b0d8a082SPurna Chandra Mandal To compile this driver as a loadable module, choose M here. 1854b0d8a082SPurna Chandra Mandal The module will be called pic32-dmt. 1855b0d8a082SPurna Chandra Mandal 1856b7e04f8cSWim Van Sebroeck# PARISC Architecture 1857b7e04f8cSWim Van Sebroeck 1858b7e04f8cSWim Van Sebroeck# POWERPC Architecture 1859b7e04f8cSWim Van Sebroeck 18603268b561SMartyn Welchconfig GEF_WDT 1861cda61c94SMartyn Welch tristate "GE Watchdog Timer" 1862330bbf48SMartyn Welch depends on GE_FPGA 1863a7f7f624SMasahiro Yamada help 1864cda61c94SMartyn Welch Watchdog timer found in a number of GE single board computers. 18653268b561SMartyn Welch 1866b7e04f8cSWim Van Sebroeckconfig MPC5200_WDT 18676d535599SAlbrecht Dreß bool "MPC52xx Watchdog Timer" 1868da2a68b3SGuenter Roeck depends on PPC_MPC52xx || COMPILE_TEST 18696d535599SAlbrecht Dreß help 18706d535599SAlbrecht Dreß Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1871b7e04f8cSWim Van Sebroeck 187228acd02fSAnton Vorontsovconfig 8xxx_WDT 187328acd02fSAnton Vorontsov tristate "MPC8xxx Platform Watchdog Timer" 1874f8c33e97SUwe Kleine-König depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1875d5cfaf0aSChristophe Leroy select WATCHDOG_CORE 187628acd02fSAnton Vorontsov help 187728acd02fSAnton Vorontsov This driver is for a SoC level watchdog that exists on some 187828acd02fSAnton Vorontsov Freescale PowerPC processors. So far this driver supports: 18790d7b1014SAnton Vorontsov - MPC8xx watchdogs 188028acd02fSAnton Vorontsov - MPC83xx watchdogs 188128acd02fSAnton Vorontsov - MPC86xx watchdogs 188228acd02fSAnton Vorontsov 188328acd02fSAnton Vorontsov For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1884b7e04f8cSWim Van Sebroeck 1885618efba9SSean MacLennanconfig PIKA_WDT 1886618efba9SSean MacLennan tristate "PIKA FPGA Watchdog" 1887da2a68b3SGuenter Roeck depends on WARP || (PPC64 && COMPILE_TEST) 1888618efba9SSean MacLennan default y 1889618efba9SSean MacLennan help 1890618efba9SSean MacLennan This enables the watchdog in the PIKA FPGA. Currently used on 1891618efba9SSean MacLennan the Warp platform. 1892618efba9SSean MacLennan 1893b7e04f8cSWim Van Sebroeckconfig BOOKE_WDT 1894fbdd7144STimur Tabi tristate "PowerPC Book-E Watchdog Timer" 1895b7e04f8cSWim Van Sebroeck depends on BOOKE || 4xx 189652e5cc4eSGuenter Roeck select WATCHDOG_CORE 1897a7f7f624SMasahiro Yamada help 1898fbdd7144STimur Tabi Watchdog driver for PowerPC Book-E chips, such as the Freescale 1899fbdd7144STimur Tabi MPC85xx SOCs and the IBM PowerPC 440. 1900fbdd7144STimur Tabi 190174665686SMauro Carvalho Chehab Please see Documentation/watchdog/watchdog-api.rst for 1902b7e04f8cSWim Van Sebroeck more information. 1903b7e04f8cSWim Van Sebroeck 1904e0dc09ffSTimur Tabiconfig BOOKE_WDT_DEFAULT_TIMEOUT 1905e0dc09ffSTimur Tabi int "PowerPC Book-E Watchdog Timer Default Timeout" 1906e0dc09ffSTimur Tabi depends on BOOKE_WDT 1907be0884ceSShaohui Xie default 38 if PPC_FSL_BOOK3E 1908be0884ceSShaohui Xie range 0 63 if PPC_FSL_BOOK3E 1909be0884ceSShaohui Xie default 3 if !PPC_FSL_BOOK3E 1910be0884ceSShaohui Xie range 0 3 if !PPC_FSL_BOOK3E 1911e0dc09ffSTimur Tabi help 1912e0dc09ffSTimur Tabi Select the default watchdog timer period to be used by the PowerPC 1913e0dc09ffSTimur Tabi Book-E watchdog driver. A watchdog "event" occurs when the bit 1914e0dc09ffSTimur Tabi position represented by this number transitions from zero to one. 1915e0dc09ffSTimur Tabi 1916e0dc09ffSTimur Tabi For Freescale Book-E processors, this is a number between 0 and 63. 1917e0dc09ffSTimur Tabi For other Book-E processors, this is a number between 0 and 3. 1918e0dc09ffSTimur Tabi 1919e1d1d68aSMasanari Iida The value can be overridden by the wdt_period command-line parameter. 1920e0dc09ffSTimur Tabi 192126c57ef1SJohannes Thumshirnconfig MEN_A21_WDT 192226c57ef1SJohannes Thumshirn tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 192326c57ef1SJohannes Thumshirn select WATCHDOG_CORE 192421a926a3SGeert Uytterhoeven depends on GPIOLIB || COMPILE_TEST 192526c57ef1SJohannes Thumshirn help 192626c57ef1SJohannes Thumshirn Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 192726c57ef1SJohannes Thumshirn 192826c57ef1SJohannes Thumshirn The driver can also be built as a module. If so, the module will be 192926c57ef1SJohannes Thumshirn called mena21_wdt. 193026c57ef1SJohannes Thumshirn 193126c57ef1SJohannes Thumshirn If unsure select N here. 193226c57ef1SJohannes Thumshirn 1933b7e04f8cSWim Van Sebroeck# PPC64 Architecture 1934b7e04f8cSWim Van Sebroeck 1935b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RTAS 1936b7e04f8cSWim Van Sebroeck tristate "RTAS watchdog" 193742bed042SMurilo Opsfelder Araujo depends on PPC_RTAS 1938b7e04f8cSWim Van Sebroeck help 1939b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the RTAS watchdog. 1940b7e04f8cSWim Van Sebroeck 1941b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 1942b7e04f8cSWim Van Sebroeck will be called wdrtas. 1943b7e04f8cSWim Van Sebroeck 1944b7e04f8cSWim Van Sebroeck# S390 Architecture 1945b7e04f8cSWim Van Sebroeck 1946f7a94db4SPhilipp Hachtmannconfig DIAG288_WATCHDOG 1947f7a94db4SPhilipp Hachtmann tristate "System z diag288 Watchdog" 1948b7e04f8cSWim Van Sebroeck depends on S390 1949f7a94db4SPhilipp Hachtmann select WATCHDOG_CORE 1950b7e04f8cSWim Van Sebroeck help 1951b7e04f8cSWim Van Sebroeck IBM s/390 and zSeries machines running under z/VM 5.1 or later 1952b7e04f8cSWim Van Sebroeck provide a virtual watchdog timer to their guest that cause a 1953b7e04f8cSWim Van Sebroeck user define Control Program command to be executed after a 1954b7e04f8cSWim Van Sebroeck timeout. 1955646f919eSPhilipp Hachtmann LPAR provides a very similar interface. This driver handles 1956646f919eSPhilipp Hachtmann both. 1957b7e04f8cSWim Van Sebroeck 1958b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 1959a8fa3943SPhilipp Hachtmann will be called diag288_wdt. 1960b7e04f8cSWim Van Sebroeck 1961b7e04f8cSWim Van Sebroeck# SUPERH (sh + sh64) Architecture 1962b7e04f8cSWim Van Sebroeck 1963b7e04f8cSWim Van Sebroeckconfig SH_WDT 1964b7e04f8cSWim Van Sebroeck tristate "SuperH Watchdog" 1965da2a68b3SGuenter Roeck depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 19661950f499SPaul Mundt select WATCHDOG_CORE 1967b7e04f8cSWim Van Sebroeck help 1968b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the integrated watchdog in the 1969b7e04f8cSWim Van Sebroeck SuperH processors. If you have one of these processors and wish 1970b7e04f8cSWim Van Sebroeck to have watchdog support enabled, say Y, otherwise say N. 1971b7e04f8cSWim Van Sebroeck 1972b7e04f8cSWim Van Sebroeck As a side note, saying Y here will automatically boost HZ to 1000 1973b7e04f8cSWim Van Sebroeck so that the timer has a chance to clear the overflow counter. On 1974b7e04f8cSWim Van Sebroeck slower systems (such as the SH-2 and SH-3) this will likely yield 1975b7e04f8cSWim Van Sebroeck some performance issues. As such, the WDT should be avoided here 1976b7e04f8cSWim Van Sebroeck unless it is absolutely necessary. 1977b7e04f8cSWim Van Sebroeck 1978b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1979b7e04f8cSWim Van Sebroeck module will be called shwdt. 1980b7e04f8cSWim Van Sebroeck 1981b7e04f8cSWim Van Sebroeck# SPARC Architecture 1982b7e04f8cSWim Van Sebroeck 1983b7e04f8cSWim Van Sebroeck# SPARC64 Architecture 1984b7e04f8cSWim Van Sebroeck 1985b7e04f8cSWim Van Sebroeckconfig WATCHDOG_CP1XXX 1986b7e04f8cSWim Van Sebroeck tristate "CP1XXX Hardware Watchdog support" 1987b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 1988a7f7f624SMasahiro Yamada help 1989b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog timers present on 1990b7e04f8cSWim Van Sebroeck Sun Microsystems CompactPCI models CP1400 and CP1500. 1991b7e04f8cSWim Van Sebroeck 1992b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1993b7e04f8cSWim Van Sebroeck module will be called cpwatchdog. 1994b7e04f8cSWim Van Sebroeck 1995b7e04f8cSWim Van Sebroeck If you do not have a CompactPCI model CP1400 or CP1500, or 1996b7e04f8cSWim Van Sebroeck another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 1997b7e04f8cSWim Van Sebroeck you should say N to this option. 1998b7e04f8cSWim Van Sebroeck 1999b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RIO 2000b7e04f8cSWim Van Sebroeck tristate "RIO Hardware Watchdog support" 2001b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2002b7e04f8cSWim Van Sebroeck help 2003b7e04f8cSWim Van Sebroeck Say Y here to support the hardware watchdog capability on Sun RIO 2004b7e04f8cSWim Van Sebroeck machines. The watchdog timeout period is normally one minute but 2005b7e04f8cSWim Van Sebroeck can be changed with a boot-time parameter. 2006b7e04f8cSWim Van Sebroeck 2007ca0bb079Swim.coekaerts@oracle.comconfig WATCHDOG_SUN4V 2008ca0bb079Swim.coekaerts@oracle.com tristate "Sun4v Watchdog support" 2009ca0bb079Swim.coekaerts@oracle.com select WATCHDOG_CORE 2010ca0bb079Swim.coekaerts@oracle.com depends on SPARC64 2011ca0bb079Swim.coekaerts@oracle.com help 2012ca0bb079Swim.coekaerts@oracle.com Say Y here to support the hypervisor watchdog capability embedded 2013ca0bb079Swim.coekaerts@oracle.com in the SPARC sun4v architecture. 2014ca0bb079Swim.coekaerts@oracle.com 2015ca0bb079Swim.coekaerts@oracle.com To compile this driver as a module, choose M here. The module will 2016ca0bb079Swim.coekaerts@oracle.com be called sun4v_wdt. 2017ca0bb079Swim.coekaerts@oracle.com 2018b7e04f8cSWim Van Sebroeck# XTENSA Architecture 2019b7e04f8cSWim Van Sebroeck 2020066d6c7fSJan Beulich# Xen Architecture 2021066d6c7fSJan Beulich 2022066d6c7fSJan Beulichconfig XEN_WDT 2023066d6c7fSJan Beulich tristate "Xen Watchdog support" 2024066d6c7fSJan Beulich depends on XEN 20254cd67644SRadu Rendec select WATCHDOG_CORE 2026066d6c7fSJan Beulich help 2027066d6c7fSJan Beulich Say Y here to support the hypervisor watchdog capability provided 2028066d6c7fSJan Beulich by Xen 4.0 and newer. The watchdog timeout period is normally one 2029066d6c7fSJan Beulich minute but can be changed with a boot-time parameter. 2030066d6c7fSJan Beulich 2031d805a786SAl Viroconfig UML_WATCHDOG 2032d805a786SAl Viro tristate "UML watchdog" 2033da2a68b3SGuenter Roeck depends on UML || COMPILE_TEST 2034d805a786SAl Viro 2035b7e04f8cSWim Van Sebroeck# 2036b7e04f8cSWim Van Sebroeck# ISA-based Watchdog Cards 2037b7e04f8cSWim Van Sebroeck# 2038b7e04f8cSWim Van Sebroeck 2039b7e04f8cSWim Van Sebroeckcomment "ISA-based Watchdog Cards" 2040b7e04f8cSWim Van Sebroeck depends on ISA 2041b7e04f8cSWim Van Sebroeck 2042b7e04f8cSWim Van Sebroeckconfig PCWATCHDOG 2043b7e04f8cSWim Van Sebroeck tristate "Berkshire Products ISA-PC Watchdog" 2044b7e04f8cSWim Van Sebroeck depends on ISA 2045a7f7f624SMasahiro Yamada help 2046b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products ISA-PC Watchdog card. 2047b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2048b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2049b7e04f8cSWim Van Sebroeck time. This driver is like the WDT501 driver but for different 205001028829SRandy Dunlap hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 205101028829SRandy Dunlap The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2052b7e04f8cSWim Van Sebroeck 2053b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2054b7e04f8cSWim Van Sebroeck module will be called pcwd. 2055b7e04f8cSWim Van Sebroeck 2056b7e04f8cSWim Van Sebroeck Most people will say N. 2057b7e04f8cSWim Van Sebroeck 2058b7e04f8cSWim Van Sebroeckconfig MIXCOMWD 2059b7e04f8cSWim Van Sebroeck tristate "Mixcom Watchdog" 2060b7e04f8cSWim Van Sebroeck depends on ISA 2061a7f7f624SMasahiro Yamada help 2062b7e04f8cSWim Van Sebroeck This is a driver for the Mixcom hardware watchdog cards. This 2063b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 2064b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2065b7e04f8cSWim Van Sebroeck time. 2066b7e04f8cSWim Van Sebroeck 2067b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2068b7e04f8cSWim Van Sebroeck module will be called mixcomwd. 2069b7e04f8cSWim Van Sebroeck 2070b7e04f8cSWim Van Sebroeck Most people will say N. 2071b7e04f8cSWim Van Sebroeck 2072b7e04f8cSWim Van Sebroeckconfig WDT 2073b7e04f8cSWim Van Sebroeck tristate "WDT Watchdog timer" 2074b7e04f8cSWim Van Sebroeck depends on ISA 2075a7f7f624SMasahiro Yamada help 2076b7e04f8cSWim Van Sebroeck If you have a WDT500P or WDT501P watchdog board, say Y here, 2077b7e04f8cSWim Van Sebroeck otherwise N. It is not possible to probe for this board, which means 2078b7e04f8cSWim Van Sebroeck that you have to inform the kernel about the IO port and IRQ that 2079b7e04f8cSWim Van Sebroeck is needed (you can do this via the io and irq parameters) 2080b7e04f8cSWim Van Sebroeck 2081b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2082b7e04f8cSWim Van Sebroeck module will be called wdt. 2083b7e04f8cSWim Van Sebroeck 2084b7e04f8cSWim Van Sebroeck# 2085b7e04f8cSWim Van Sebroeck# PCI-based Watchdog Cards 2086b7e04f8cSWim Van Sebroeck# 2087b7e04f8cSWim Van Sebroeck 2088b7e04f8cSWim Van Sebroeckcomment "PCI-based Watchdog Cards" 2089b7e04f8cSWim Van Sebroeck depends on PCI 2090b7e04f8cSWim Van Sebroeck 2091b7e04f8cSWim Van Sebroeckconfig PCIPCWATCHDOG 2092b7e04f8cSWim Van Sebroeck tristate "Berkshire Products PCI-PC Watchdog" 2093b7e04f8cSWim Van Sebroeck depends on PCI 2094a7f7f624SMasahiro Yamada help 2095b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products PCI-PC Watchdog card. 2096b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2097b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2098b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2099b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2100b7e04f8cSWim Van Sebroeck 2101b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2102b7e04f8cSWim Van Sebroeck module will be called pcwd_pci. 2103b7e04f8cSWim Van Sebroeck 2104b7e04f8cSWim Van Sebroeck Most people will say N. 2105b7e04f8cSWim Van Sebroeck 2106b7e04f8cSWim Van Sebroeckconfig WDTPCI 2107b7e04f8cSWim Van Sebroeck tristate "PCI-WDT500/501 Watchdog timer" 2108b7e04f8cSWim Van Sebroeck depends on PCI 2109a7f7f624SMasahiro Yamada help 2110b7e04f8cSWim Van Sebroeck If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2111b7e04f8cSWim Van Sebroeck 21129b901ee0SWim Van Sebroeck If you have a PCI-WDT501 watchdog board then you can enable the 21139b901ee0SWim Van Sebroeck temperature sensor by setting the type parameter to 501. 2114b7e04f8cSWim Van Sebroeck 2115b7e04f8cSWim Van Sebroeck If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2116b7e04f8cSWim Van Sebroeck can do this via the tachometer parameter. Only do this if you have a 2117b7e04f8cSWim Van Sebroeck fan tachometer actually set up. 2118b7e04f8cSWim Van Sebroeck 21199b901ee0SWim Van Sebroeck To compile this driver as a module, choose M here: the 21209b901ee0SWim Van Sebroeck module will be called wdt_pci. 21219b901ee0SWim Van Sebroeck 2122b7e04f8cSWim Van Sebroeck# 2123b7e04f8cSWim Van Sebroeck# USB-based Watchdog Cards 2124b7e04f8cSWim Van Sebroeck# 2125b7e04f8cSWim Van Sebroeck 2126b7e04f8cSWim Van Sebroeckcomment "USB-based Watchdog Cards" 2127b7e04f8cSWim Van Sebroeck depends on USB 2128b7e04f8cSWim Van Sebroeck 2129b7e04f8cSWim Van Sebroeckconfig USBPCWATCHDOG 2130b7e04f8cSWim Van Sebroeck tristate "Berkshire Products USB-PC Watchdog" 2131b7e04f8cSWim Van Sebroeck depends on USB 2132a7f7f624SMasahiro Yamada help 2133b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products USB-PC Watchdog card. 2134b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2135b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2136b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2137b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2138b7e04f8cSWim Van Sebroeck 2139b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2140b7e04f8cSWim Van Sebroeck module will be called pcwd_usb. 2141b7e04f8cSWim Van Sebroeck 2142b7e04f8cSWim Van Sebroeck Most people will say N. 2143b7e04f8cSWim Van Sebroeck 2144fa0f8d51SVijayakannan Ayyathuraiconfig KEEMBAY_WATCHDOG 2145fa0f8d51SVijayakannan Ayyathurai tristate "Intel Keem Bay SoC non-secure watchdog" 2146fa0f8d51SVijayakannan Ayyathurai depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2147fa0f8d51SVijayakannan Ayyathurai select WATCHDOG_CORE 2148fa0f8d51SVijayakannan Ayyathurai help 2149fa0f8d51SVijayakannan Ayyathurai This option enable support for an In-secure watchdog timer driver for 2150fa0f8d51SVijayakannan Ayyathurai Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2151fa0f8d51SVijayakannan Ayyathurai count unit. An interrupt will be triggered, when the count crosses 2152c891ef7dSWong Vee Khee the threshold configured in the register. 2153fa0f8d51SVijayakannan Ayyathurai 2154fa0f8d51SVijayakannan Ayyathurai To compile this driver as a module, choose M here: the 2155fa0f8d51SVijayakannan Ayyathurai module will be called keembay_wdt. 2156fa0f8d51SVijayakannan Ayyathurai 2157b7e04f8cSWim Van Sebroeckendif # WATCHDOG 2158