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 184*843dac4dSLukasz Majczakconfig CROS_EC_WATCHDOG 185*843dac4dSLukasz Majczak tristate "ChromeOS EC-based watchdog" 186*843dac4dSLukasz Majczak select WATCHDOG_CORE 187*843dac4dSLukasz Majczak depends on CROS_EC 188*843dac4dSLukasz Majczak help 189*843dac4dSLukasz Majczak Watchdog driver for Chromebook devices equipped with embedded controller. 190*843dac4dSLukasz Majczak Trigger event is recorded in EC and checked on the subsequent boot. 191*843dac4dSLukasz Majczak 192*843dac4dSLukasz Majczak To compile this driver as a module, choose M here: the 193*843dac4dSLukasz Majczak module will be called cros_ec_wdt. 194*843dac4dSLukasz Majczak 195664a0d78SAshish Jangamconfig DA9052_WATCHDOG 196664a0d78SAshish Jangam tristate "Dialog DA9052 Watchdog" 197da2a68b3SGuenter Roeck depends on PMIC_DA9052 || COMPILE_TEST 198664a0d78SAshish Jangam select WATCHDOG_CORE 199664a0d78SAshish Jangam help 200664a0d78SAshish Jangam Support for the watchdog in the DA9052 PMIC. Watchdog trigger 201664a0d78SAshish Jangam cause system reset. 202664a0d78SAshish Jangam 203664a0d78SAshish Jangam Say Y here to include support for the DA9052 watchdog. 204664a0d78SAshish Jangam Alternatively say M to compile the driver as a module, 205664a0d78SAshish Jangam which will be called da9052_wdt. 206664a0d78SAshish Jangam 207312b00e1SAshish Jangamconfig DA9055_WATCHDOG 208312b00e1SAshish Jangam tristate "Dialog Semiconductor DA9055 Watchdog" 209da2a68b3SGuenter Roeck depends on MFD_DA9055 || COMPILE_TEST 21012a5c05cSRandy Dunlap select WATCHDOG_CORE 211312b00e1SAshish Jangam help 212312b00e1SAshish Jangam If you say yes here you get support for watchdog on the Dialog 213312b00e1SAshish Jangam Semiconductor DA9055 PMIC. 214312b00e1SAshish Jangam 215312b00e1SAshish Jangam This driver can also be built as a module. If so, the module 216312b00e1SAshish Jangam will be called da9055_wdt. 217312b00e1SAshish Jangam 2185e9c16e3SKrystian Garbaciakconfig DA9063_WATCHDOG 2195e9c16e3SKrystian Garbaciak tristate "Dialog DA9063 Watchdog" 220da2a68b3SGuenter Roeck depends on MFD_DA9063 || COMPILE_TEST 2217d608c33SAndrej Picej depends on I2C 2225e9c16e3SKrystian Garbaciak select WATCHDOG_CORE 2235e9c16e3SKrystian Garbaciak help 2245e9c16e3SKrystian Garbaciak Support for the watchdog in the DA9063 PMIC. 2255e9c16e3SKrystian Garbaciak 2265e9c16e3SKrystian Garbaciak This driver can be built as a module. The module name is da9063_wdt. 2275e9c16e3SKrystian Garbaciak 2287a7cb009SS Twissconfig DA9062_WATCHDOG 22972106c18SSteve Twiss tristate "Dialog DA9062/61 Watchdog" 230da2a68b3SGuenter Roeck depends on MFD_DA9062 || COMPILE_TEST 23144144c80SGuenter Roeck depends on I2C 2327a7cb009SS Twiss select WATCHDOG_CORE 2337a7cb009SS Twiss help 23472106c18SSteve Twiss Support for the watchdog in the DA9062 and DA9061 PMICs. 2357a7cb009SS Twiss 2367a7cb009SS Twiss This driver can be built as a module. The module name is da9062_wdt. 2377a7cb009SS Twiss 23825134eafSAlexander Shiyanconfig GPIO_WATCHDOG 23925134eafSAlexander Shiyan tristate "Watchdog device controlled through GPIO-line" 24025134eafSAlexander Shiyan depends on OF_GPIO 24125134eafSAlexander Shiyan select WATCHDOG_CORE 24225134eafSAlexander Shiyan help 24325134eafSAlexander Shiyan If you say yes here you get support for watchdog device 24425134eafSAlexander Shiyan controlled through GPIO-line. 24525134eafSAlexander Shiyan 2465e53c8edSJean-Baptiste Theouconfig GPIO_WATCHDOG_ARCH_INITCALL 2475e53c8edSJean-Baptiste Theou bool "Register the watchdog as early as possible" 2485e53c8edSJean-Baptiste Theou depends on GPIO_WATCHDOG=y 2495e53c8edSJean-Baptiste Theou help 2505e53c8edSJean-Baptiste Theou In some situations, the default initcall level (module_init) 2515e53c8edSJean-Baptiste Theou in not early enough in the boot process to avoid the watchdog 2525e53c8edSJean-Baptiste Theou to be triggered. 2535e53c8edSJean-Baptiste Theou If you say yes here, the initcall level would be raised to 2545e53c8edSJean-Baptiste Theou arch_initcall. 2555e53c8edSJean-Baptiste Theou If in doubt, say N. 2565e53c8edSJean-Baptiste Theou 25750332639SAndreas Wernerconfig MENF21BMC_WATCHDOG 25850332639SAndreas Werner tristate "MEN 14F021P00 BMC Watchdog" 259da2a68b3SGuenter Roeck depends on MFD_MENF21BMC || COMPILE_TEST 2606fb303a8SArnd Bergmann depends on I2C 26150332639SAndreas Werner select WATCHDOG_CORE 26250332639SAndreas Werner help 26350332639SAndreas Werner Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 26450332639SAndreas Werner 26550332639SAndreas Werner This driver can also be built as a module. If so the module 26650332639SAndreas Werner will be called menf21bmc_wdt. 26750332639SAndreas Werner 26881ceed41SJohannes Thumshirnconfig MENZ069_WATCHDOG 26981ceed41SJohannes Thumshirn tristate "MEN 16Z069 Watchdog" 27012aea518SJohannes Thumshirn depends on MCB 27181ceed41SJohannes Thumshirn select WATCHDOG_CORE 27281ceed41SJohannes Thumshirn help 27381ceed41SJohannes Thumshirn Say Y here to include support for the MEN 16Z069 Watchdog. 27481ceed41SJohannes Thumshirn 27581ceed41SJohannes Thumshirn This driver can also be built as a module. If so the module 27681ceed41SJohannes Thumshirn will be called menz069_wdt. 27781ceed41SJohannes Thumshirn 278058dfc76SMika Westerbergconfig WDAT_WDT 279058dfc76SMika Westerberg tristate "ACPI Watchdog Action Table (WDAT)" 280058dfc76SMika Westerberg depends on ACPI 281effb46b4SMika Westerberg select WATCHDOG_CORE 282058dfc76SMika Westerberg select ACPI_WATCHDOG 283058dfc76SMika Westerberg help 284058dfc76SMika Westerberg This driver adds support for systems with ACPI Watchdog Action 285058dfc76SMika Westerberg Table (WDAT) table. Servers typically have this but it can be 286058dfc76SMika Westerberg found on some desktop machines as well. This driver will take 287058dfc76SMika Westerberg over the native iTCO watchdog driver found on many Intel CPUs. 288058dfc76SMika Westerberg 289058dfc76SMika Westerberg To compile this driver as module, choose M here: the module will 290058dfc76SMika Westerberg be called wdat_wdt. 291058dfc76SMika Westerberg 292502a0106SMark Brownconfig WM831X_WATCHDOG 293502a0106SMark Brown tristate "WM831x watchdog" 294d0e32fbaSArnd Bergmann depends on MFD_WM831X 29500411ee9SMark Brown select WATCHDOG_CORE 296502a0106SMark Brown help 297502a0106SMark Brown Support for the watchdog in the WM831x AudioPlus PMICs. When 298502a0106SMark Brown the watchdog triggers the system will be reset. 299502a0106SMark Brown 300006948baSMark Brownconfig WM8350_WATCHDOG 301006948baSMark Brown tristate "WM8350 watchdog" 302006948baSMark Brown depends on MFD_WM8350 3032e51d90fSAxel Lin select WATCHDOG_CORE 304006948baSMark Brown help 305006948baSMark Brown Support for the watchdog in the WM8350 AudioPlus PMIC. When 306006948baSMark Brown the watchdog triggers the system will be reset. 307006948baSMark Brown 308c9dcf9f2SMichal Simekconfig XILINX_WATCHDOG 309c9dcf9f2SMichal Simek tristate "Xilinx Watchdog timer" 31071fd380aSChen Gang depends on HAS_IOMEM 311c9dcf9f2SMichal Simek select WATCHDOG_CORE 312c9dcf9f2SMichal Simek help 31301028829SRandy Dunlap Watchdog driver for the xps_timebase_wdt IP core. 314c9dcf9f2SMichal Simek 315c9dcf9f2SMichal Simek To compile this driver as a module, choose M here: the 316c9dcf9f2SMichal Simek module will be called of_xilinx_wdt. 317c9dcf9f2SMichal Simek 31812984ceaSSrinivas Neeliconfig XILINX_WINDOW_WATCHDOG 31912984ceaSSrinivas Neeli tristate "Xilinx window watchdog timer" 32012984ceaSSrinivas Neeli depends on HAS_IOMEM 321f1a43aadSRob Herring depends on ARM64 || COMPILE_TEST 32212984ceaSSrinivas Neeli select WATCHDOG_CORE 32312984ceaSSrinivas Neeli help 32412984ceaSSrinivas Neeli Window watchdog driver for the versal_wwdt IP core. 32512984ceaSSrinivas Neeli Window watchdog timer(WWDT) contains closed(first) and 32612984ceaSSrinivas Neeli open(second) window with 32 bit width. Write to the watchdog 32712984ceaSSrinivas Neeli timer within predefined window periods of time. This means 32812984ceaSSrinivas Neeli a period that is not too soon and a period that is not too 32912984ceaSSrinivas Neeli late. The WWDT has to be restarted within the open window time. 33012984ceaSSrinivas Neeli If software tries to restart WWDT outside of the open window 33112984ceaSSrinivas Neeli time period, it generates a reset. 33212984ceaSSrinivas Neeli 33312984ceaSSrinivas Neeli To compile this driver as a module, choose M here: the 33412984ceaSSrinivas Neeli module will be called xilinx_wwdt. 33512984ceaSSrinivas Neeli 3362a7b753aSMartyn Welchconfig ZIIRAVE_WATCHDOG 3372a7b753aSMartyn Welch tristate "Zodiac RAVE Watchdog Timer" 3382a7b753aSMartyn Welch depends on I2C 3392a7b753aSMartyn Welch select WATCHDOG_CORE 3402a7b753aSMartyn Welch help 3412a7b753aSMartyn Welch Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 3422a7b753aSMartyn Welch Processor. 3432a7b753aSMartyn Welch 3442a7b753aSMartyn Welch To compile this driver as a module, choose M here: the 3452a7b753aSMartyn Welch module will be called ziirave_wdt. 3462a7b753aSMartyn Welch 347c3bb3334SAndrey Smirnovconfig RAVE_SP_WATCHDOG 348c3bb3334SAndrey Smirnov tristate "RAVE SP Watchdog timer" 349c3bb3334SAndrey Smirnov depends on RAVE_SP_CORE 35020e6bb17SArnd Bergmann depends on NVMEM || !NVMEM 351c3bb3334SAndrey Smirnov select WATCHDOG_CORE 352c3bb3334SAndrey Smirnov help 353c3bb3334SAndrey Smirnov Support for the watchdog on RAVE SP device. 354c3bb3334SAndrey Smirnov 355c60923ddSMichael Shychconfig MLX_WDT 356c60923ddSMichael Shych tristate "Mellanox Watchdog" 357f1a43aadSRob Herring depends on MELLANOX_PLATFORM || COMPILE_TEST 358c60923ddSMichael Shych select WATCHDOG_CORE 359c60923ddSMichael Shych select REGMAP 360c60923ddSMichael Shych help 361c60923ddSMichael Shych This is the driver for the hardware watchdog on Mellanox systems. 362c60923ddSMichael Shych If you are going to use it, say Y here, otherwise N. 363c60923ddSMichael Shych This driver can be used together with the watchdog daemon. 364c60923ddSMichael Shych It can also watch your kernel to make sure it doesn't freeze, 365c60923ddSMichael Shych and if it does, it reboots your system after a certain amount of 366c60923ddSMichael Shych time. 367c60923ddSMichael Shych 368c60923ddSMichael Shych To compile this driver as a module, choose M here: the 369c60923ddSMichael Shych module will be called mlx-wdt. 370c60923ddSMichael Shych 37185174ca6SMichael Walleconfig SL28CPLD_WATCHDOG 37285174ca6SMichael Walle tristate "Kontron sl28cpld Watchdog" 37385174ca6SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 37485174ca6SMichael Walle select WATCHDOG_CORE 37585174ca6SMichael Walle help 37685174ca6SMichael Walle Say Y here to include support for the watchdog timer 37785174ca6SMichael Walle on the Kontron sl28 CPLD. 37885174ca6SMichael Walle 37985174ca6SMichael Walle To compile this driver as a module, choose M here: the 38085174ca6SMichael Walle module will be called sl28cpld_wdt. 38185174ca6SMichael Walle 382b7e04f8cSWim Van Sebroeck# ALPHA Architecture 383b7e04f8cSWim Van Sebroeck 384b7e04f8cSWim Van Sebroeck# ARM Architecture 385b7e04f8cSWim Van Sebroeck 3864a370278SViresh KUMARconfig ARM_SP805_WATCHDOG 3874a370278SViresh KUMAR tristate "ARM SP805 Watchdog" 3883eafee95SArnd Bergmann depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 3894a516539SViresh Kumar select WATCHDOG_CORE 3904a370278SViresh KUMAR help 3914a370278SViresh KUMAR ARM Primecell SP805 Watchdog timer. This will reboot your system when 3924a370278SViresh KUMAR the timeout is reached. 3934a370278SViresh KUMAR 39457d2caaaSFu Weiconfig ARM_SBSA_WATCHDOG 39557d2caaaSFu Wei tristate "ARM SBSA Generic Watchdog" 39657d2caaaSFu Wei depends on ARM64 39757d2caaaSFu Wei depends on ARM_ARCH_TIMER 39857d2caaaSFu Wei select WATCHDOG_CORE 39957d2caaaSFu Wei help 40057d2caaaSFu Wei ARM SBSA Generic Watchdog has two stage timeouts: 40157d2caaaSFu Wei the first signal (WS0) is for alerting the system by interrupt, 40257d2caaaSFu Wei the second one (WS1) is a real hardware reset. 40357d2caaaSFu Wei More details: ARM DEN0029B - Server Base System Architecture (SBSA) 40457d2caaaSFu Wei 40557d2caaaSFu Wei This driver can operate ARM SBSA Generic Watchdog as a single stage 40657d2caaaSFu Wei or a two stages watchdog, it depends on the module parameter "action". 40757d2caaaSFu Wei 40857d2caaaSFu Wei Note: the maximum timeout in the two stages mode is half of that in 40957d2caaaSFu Wei the single stage mode. 41057d2caaaSFu Wei 41157d2caaaSFu Wei To compile this driver as module, choose M here: The module 41257d2caaaSFu Wei will be called sbsa_gwdt. 41357d2caaaSFu Wei 41454e3d9b5SMarek Behúnconfig ARMADA_37XX_WATCHDOG 41554e3d9b5SMarek Behún tristate "Armada 37xx watchdog" 41654e3d9b5SMarek Behún depends on ARCH_MVEBU || COMPILE_TEST 4177f6f1dfbSGuenter Roeck depends on HAS_IOMEM 41854e3d9b5SMarek Behún select MFD_SYSCON 41954e3d9b5SMarek Behún select WATCHDOG_CORE 42054e3d9b5SMarek Behún help 42154e3d9b5SMarek Behún Say Y here to include support for the watchdog timer found on 42254e3d9b5SMarek Behún Marvell Armada 37xx SoCs. 42354e3d9b5SMarek Behún To compile this driver as a module, choose M here: the 42454e3d9b5SMarek Behún module will be called armada_37xx_wdt. 42554e3d9b5SMarek Behún 426aae03dc9SOleksij Rempelconfig ASM9260_WATCHDOG 427aae03dc9SOleksij Rempel tristate "Alphascale ASM9260 watchdog" 428da2a68b3SGuenter Roeck depends on MACH_ASM9260 || COMPILE_TEST 429aae03dc9SOleksij Rempel depends on OF 430aae03dc9SOleksij Rempel select WATCHDOG_CORE 431aae03dc9SOleksij Rempel select RESET_CONTROLLER 432aae03dc9SOleksij Rempel help 43301028829SRandy Dunlap Watchdog timer embedded into Alphascale asm9260 chips. This will 43401028829SRandy Dunlap reboot your system when the timeout is reached. 435aae03dc9SOleksij Rempel 436b7e04f8cSWim Van Sebroeckconfig AT91RM9200_WATCHDOG 437b7e04f8cSWim Van Sebroeck tristate "AT91RM9200 watchdog" 438da2a68b3SGuenter Roeck depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 439b7e04f8cSWim Van Sebroeck help 440b7e04f8cSWim Van Sebroeck Watchdog timer embedded into AT91RM9200 chips. This will reboot your 441b7e04f8cSWim Van Sebroeck system when the timeout is reached. 442b7e04f8cSWim Van Sebroeck 443e6bb42e3SRenaud CERRATOconfig AT91SAM9X_WATCHDOG 444f0e625c1SAndrew Victor tristate "AT91SAM9X / AT91CAP9 watchdog" 445da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 446490ac7afSWenyou Yang select WATCHDOG_CORE 447e6bb42e3SRenaud CERRATO help 448f0e625c1SAndrew Victor Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 449f0e625c1SAndrew Victor reboot your system when the timeout is reached. 450e6bb42e3SRenaud CERRATO 45176534860SWenyou Yangconfig SAMA5D4_WATCHDOG 45276534860SWenyou Yang tristate "Atmel SAMA5D4 Watchdog Timer" 453da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 45476534860SWenyou Yang select WATCHDOG_CORE 45576534860SWenyou Yang help 45676534860SWenyou Yang Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 45776534860SWenyou Yang Its Watchdog Timer Mode Register can be written more than once. 45876534860SWenyou Yang This will reboot your system when the timeout is reached. 45976534860SWenyou Yang 46058bf0164SHarini Katakamconfig CADENCE_WATCHDOG 46158bf0164SHarini Katakam tristate "Cadence Watchdog Timer" 4626960d485SRichard Weinberger depends on HAS_IOMEM 46358bf0164SHarini Katakam select WATCHDOG_CORE 46458bf0164SHarini Katakam help 46558bf0164SHarini Katakam Say Y here if you want to include support for the watchdog 46658bf0164SHarini Katakam timer in the Xilinx Zynq. 46758bf0164SHarini Katakam 468b7e04f8cSWim Van Sebroeckconfig 21285_WATCHDOG 469b7e04f8cSWim Van Sebroeck tristate "DC21285 watchdog" 470b7e04f8cSWim Van Sebroeck depends on FOOTBRIDGE 471b7e04f8cSWim Van Sebroeck help 472b7e04f8cSWim Van Sebroeck The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 473b7e04f8cSWim Van Sebroeck here if you wish to use this. Alternatively say M to compile the 474b7e04f8cSWim Van Sebroeck driver as a module, which will be called wdt285. 475b7e04f8cSWim Van Sebroeck 476b7e04f8cSWim Van Sebroeck This driver does not work on all machines. In particular, early CATS 477b7e04f8cSWim Van Sebroeck boards have hardware problems that will cause the machine to simply 478b7e04f8cSWim Van Sebroeck lock up if the watchdog fires. 479b7e04f8cSWim Van Sebroeck 480b7e04f8cSWim Van Sebroeck "If in doubt, leave it out" - say N. 481b7e04f8cSWim Van Sebroeck 482b7e04f8cSWim Van Sebroeckconfig 977_WATCHDOG 483b7e04f8cSWim Van Sebroeck tristate "NetWinder WB83C977 watchdog" 484da2a68b3SGuenter Roeck depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 485b7e04f8cSWim Van Sebroeck help 486b7e04f8cSWim Van Sebroeck Say Y here to include support for the WB977 watchdog included in 487b7e04f8cSWim Van Sebroeck NetWinder machines. Alternatively say M to compile the driver as 488b7e04f8cSWim Van Sebroeck a module, which will be called wdt977. 489b7e04f8cSWim Van Sebroeck 490b7e04f8cSWim Van Sebroeck Not sure? It's safe to say N. 491b7e04f8cSWim Van Sebroeck 492766a2aadSLinus Walleijconfig FTWDT010_WATCHDOG 493766a2aadSLinus Walleij tristate "Faraday Technology FTWDT010 watchdog" 494766a2aadSLinus Walleij depends on ARM || COMPILE_TEST 495eca10ae6SLinus Walleij select WATCHDOG_CORE 496766a2aadSLinus Walleij default ARCH_GEMINI 497eca10ae6SLinus Walleij help 498766a2aadSLinus Walleij Say Y here if to include support for the Faraday Technology 499766a2aadSLinus Walleij FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 500766a2aadSLinus Walleij family of devices. 501eca10ae6SLinus Walleij 502eca10ae6SLinus Walleij To compile this driver as a module, choose M here: the 503766a2aadSLinus Walleij module will be called ftwdt010_wdt. 504eca10ae6SLinus Walleij 505b7e04f8cSWim Van Sebroeckconfig IXP4XX_WATCHDOG 506b7e04f8cSWim Van Sebroeck tristate "IXP4xx Watchdog" 507f1a43aadSRob Herring depends on ARCH_IXP4XX || (ARM && COMPILE_TEST) 508580b8e28SLinus Walleij select WATCHDOG_CORE 509b7e04f8cSWim Van Sebroeck help 510b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 511b7e04f8cSWim Van Sebroeck in the Intel IXP4xx network processors. This driver can 512b7e04f8cSWim Van Sebroeck be built as a module by choosing M. The module will 513b7e04f8cSWim Van Sebroeck be called ixp4xx_wdt. 514b7e04f8cSWim Van Sebroeck 515b7e04f8cSWim Van Sebroeck Note: The internal IXP4xx watchdog does a soft CPU reset 516b7e04f8cSWim Van Sebroeck which doesn't reset any peripherals. There are circumstances 517b7e04f8cSWim Van Sebroeck where the watchdog will fail to reset the board correctly 518b7e04f8cSWim Van Sebroeck (e.g., if the boot ROM is in an unreadable state). 519b7e04f8cSWim Van Sebroeck 520b7e04f8cSWim Van Sebroeck Say N if you are unsure. 521b7e04f8cSWim Van Sebroeck 522b7e04f8cSWim Van Sebroeckconfig S3C2410_WATCHDOG 5231ea35b35SArnd Bergmann tristate "S3C6410/S5Pv210/Exynos Watchdog" 5241ea35b35SArnd Bergmann depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 52525dc46e3SWolfram Sang select WATCHDOG_CORE 52653eac48dSKrzysztof Kozlowski select MFD_SYSCON if ARCH_EXYNOS 527b7e04f8cSWim Van Sebroeck help 5281ea35b35SArnd Bergmann Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos 5291ea35b35SArnd Bergmann SoCs. This will reboot the system when the timer expires with 530981785daSKrzysztof Kozlowski the watchdog enabled. 531b7e04f8cSWim Van Sebroeck 532b7e04f8cSWim Van Sebroeck The driver is limited by the speed of the system's PCLK 533b7e04f8cSWim Van Sebroeck signal, so with reasonably fast systems (PCLK around 50-66MHz) 534b7e04f8cSWim Van Sebroeck then watchdog intervals of over approximately 20seconds are 535b7e04f8cSWim Van Sebroeck unavailable. 536b7e04f8cSWim Van Sebroeck 537981785daSKrzysztof Kozlowski Choose Y/M here only if you build for such Samsung SoC. 538b7e04f8cSWim Van Sebroeck The driver can be built as a module by choosing M, and will 539981785daSKrzysztof Kozlowski be called s3c2410_wdt. 540b7e04f8cSWim Van Sebroeck 541b7e04f8cSWim Van Sebroeckconfig SA1100_WATCHDOG 542b7e04f8cSWim Van Sebroeck tristate "SA1100/PXA2xx watchdog" 543f1a43aadSRob Herring depends on ARCH_SA1100 || ARCH_PXA || COMPILE_TEST 544b7e04f8cSWim Van Sebroeck help 545b7e04f8cSWim Van Sebroeck Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 546b7e04f8cSWim Van Sebroeck reboot your system when timeout is reached. 547b7e04f8cSWim Van Sebroeck 548b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 549b7e04f8cSWim Van Sebroeck 550b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 551b7e04f8cSWim Van Sebroeck module will be called sa1100_wdt. 552b7e04f8cSWim Van Sebroeck 553c9353ae1SJamie Ilesconfig DW_WATCHDOG 554c9353ae1SJamie Iles tristate "Synopsys DesignWare watchdog" 5551ccfe6f9SRichard Weinberger depends on HAS_IOMEM 556f29a72c2SGuenter Roeck select WATCHDOG_CORE 557c9353ae1SJamie Iles help 558c9353ae1SJamie Iles Say Y here if to include support for the Synopsys DesignWare 55958a251f2SBaruch Siach watchdog timer found in many chips. 560c9353ae1SJamie Iles To compile this driver as a module, choose M here: the 561c9353ae1SJamie Iles module will be called dw_wdt. 562c9353ae1SJamie Iles 563b7e04f8cSWim Van Sebroeckconfig EP93XX_WATCHDOG 564b7e04f8cSWim Van Sebroeck tristate "EP93xx Watchdog" 565da2a68b3SGuenter Roeck depends on ARCH_EP93XX || COMPILE_TEST 566e12a679dSH Hartley Sweeten select WATCHDOG_CORE 567b7e04f8cSWim Van Sebroeck help 568b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 569b7e04f8cSWim Van Sebroeck embedded in the Cirrus Logic EP93xx family of devices. 570b7e04f8cSWim Van Sebroeck 571b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 572b7e04f8cSWim Van Sebroeck module will be called ep93xx_wdt. 573b7e04f8cSWim Van Sebroeck 574b7e04f8cSWim Van Sebroeckconfig OMAP_WATCHDOG 575b7e04f8cSWim Van Sebroeck tristate "OMAP Watchdog" 576da2a68b3SGuenter Roeck depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 57767c0f554SAaro Koskinen select WATCHDOG_CORE 578b7e04f8cSWim Van Sebroeck help 57901028829SRandy Dunlap Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 58001028829SRandy Dunlap Say 'Y' here to enable the 58101028829SRandy Dunlap OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 582b7e04f8cSWim Van Sebroeck 583b7e04f8cSWim Van Sebroeckconfig PNX4008_WATCHDOG 584d684f05fSRoland Stigge tristate "LPC32XX Watchdog" 585c9b8af43SArnd Bergmann depends on ARCH_LPC32XX || COMPILE_TEST 5866b1e8386SWolfram Sang select WATCHDOG_CORE 587b7e04f8cSWim Van Sebroeck help 588b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 589d684f05fSRoland Stigge in the LPC32XX processor. 590b7e04f8cSWim Van Sebroeck This driver can be built as a module by choosing M. The module 591b7e04f8cSWim Van Sebroeck will be called pnx4008_wdt. 592b7e04f8cSWim Van Sebroeck 593b7e04f8cSWim Van Sebroeck Say N if you are unsure. 594b7e04f8cSWim Van Sebroeck 595b7e04f8cSWim Van Sebroeckconfig DAVINCI_WATCHDOG 596b7e04f8cSWim Van Sebroeck tristate "DaVinci watchdog" 597da2a68b3SGuenter Roeck depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 598f48f3ceaSIvan Khoronzhuk select WATCHDOG_CORE 599b7e04f8cSWim Van Sebroeck help 600b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 6018832b200SIvan Khoronzhuk in the DaVinci DM644x/DM646x or Keystone processors. 602b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 603b7e04f8cSWim Van Sebroeck module will be called davinci_wdt. 604b7e04f8cSWim Van Sebroeck 605b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 606b7e04f8cSWim Van Sebroeck Say N if you are unsure. 607b7e04f8cSWim Van Sebroeck 6082d63908bSTero Kristoconfig K3_RTI_WATCHDOG 6092d63908bSTero Kristo tristate "Texas Instruments K3 RTI watchdog" 6102d63908bSTero Kristo depends on ARCH_K3 || COMPILE_TEST 6112d63908bSTero Kristo select WATCHDOG_CORE 6122d63908bSTero Kristo help 6132d63908bSTero Kristo Say Y here if you want to include support for the K3 watchdog 6142d63908bSTero Kristo timer (RTI module) available in the K3 generation of processors. 6152d63908bSTero Kristo 6163b937a7dSNicolas Pitreconfig ORION_WATCHDOG 6173b937a7dSNicolas Pitre tristate "Orion watchdog" 6183e3f354bSArnd Bergmann depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 619c3525e3fSThierry Reding depends on ARM 6200dd6e484SAxel Lin select WATCHDOG_CORE 62122ac9232SSylver Bruneau help 62222ac9232SSylver Bruneau Say Y here if to include support for the watchdog timer 6233b937a7dSNicolas Pitre in the Marvell Orion5x and Kirkwood ARM SoCs. 62422ac9232SSylver Bruneau To compile this driver as a module, choose M here: the 6253b937a7dSNicolas Pitre module will be called orion_wdt. 62622ac9232SSylver Bruneau 62722b1c841SBeniamino Galvaniconfig RN5T618_WATCHDOG 62822b1c841SBeniamino Galvani tristate "Ricoh RN5T618 watchdog" 629da2a68b3SGuenter Roeck depends on MFD_RN5T618 || COMPILE_TEST 63022b1c841SBeniamino Galvani select WATCHDOG_CORE 63122b1c841SBeniamino Galvani help 63222b1c841SBeniamino Galvani If you say yes here you get support for watchdog on the Ricoh 63322b1c841SBeniamino Galvani RN5T618 PMIC. 63422b1c841SBeniamino Galvani 63522b1c841SBeniamino Galvani This driver can also be built as a module. If so, the module 63622b1c841SBeniamino Galvani will be called rn5t618_wdt. 63722b1c841SBeniamino Galvani 638d00680edSCarlo Caioneconfig SUNXI_WATCHDOG 639d00680edSCarlo Caione tristate "Allwinner SoCs watchdog support" 640da2a68b3SGuenter Roeck depends on ARCH_SUNXI || COMPILE_TEST 641d00680edSCarlo Caione select WATCHDOG_CORE 642d00680edSCarlo Caione help 643d00680edSCarlo Caione Say Y here to include support for the watchdog timer 644d00680edSCarlo Caione in Allwinner SoCs. 645d00680edSCarlo Caione To compile this driver as a module, choose M here: the 646d00680edSCarlo Caione module will be called sunxi_wdt. 647d00680edSCarlo Caione 648975b7f0fSJoel Stanleyconfig NPCM7XX_WATCHDOG 649ec242929SGuenter Roeck tristate "Nuvoton NPCM750 watchdog" 650975b7f0fSJoel Stanley depends on ARCH_NPCM || COMPILE_TEST 6517db706a2STomer Maimon default y if ARCH_NPCM7XX 652975b7f0fSJoel Stanley select WATCHDOG_CORE 653975b7f0fSJoel Stanley help 654975b7f0fSJoel Stanley Say Y here to include Watchdog timer support for the 655975b7f0fSJoel Stanley watchdog embedded into the NPCM7xx. 656975b7f0fSJoel Stanley This watchdog is used to reset the system and thus cannot be 657975b7f0fSJoel Stanley compiled as a module. 658975b7f0fSJoel Stanley 65980e45b1eSTimo Kokkonenconfig TWL4030_WATCHDOG 66080e45b1eSTimo Kokkonen tristate "TWL4030 Watchdog" 66180e45b1eSTimo Kokkonen depends on TWL4030_CORE 662b2c4e4b2SJarkko Nikula select WATCHDOG_CORE 66380e45b1eSTimo Kokkonen help 66480e45b1eSTimo Kokkonen Support for TI TWL4030 watchdog. Say 'Y' here to enable the 66580e45b1eSTimo Kokkonen watchdog timer support for TWL4030 chips. 66680e45b1eSTimo Kokkonen 667de6303abSWolfram Sangconfig STMP3XXX_RTC_WATCHDOG 668de6303abSWolfram Sang tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 669da2a68b3SGuenter Roeck depends on RTC_DRV_STMP || COMPILE_TEST 670de6303abSWolfram Sang select WATCHDOG_CORE 671de6303abSWolfram Sang help 672de6303abSWolfram Sang Say Y here to include support for the watchdog timer inside 673de6303abSWolfram Sang the RTC for the STMP37XX/378X or i.MX23/28 SoC. 674de6303abSWolfram Sang To compile this driver as a module, choose M here: the 675de6303abSWolfram Sang module will be called stmp3xxx_rtc_wdt. 676de6303abSWolfram Sang 677bf900639SDamien Riegelconfig TS4800_WATCHDOG 678bf900639SDamien Riegel tristate "TS-4800 Watchdog" 679bf900639SDamien Riegel depends on HAS_IOMEM && OF 6800519e91dSJean Delvare depends on SOC_IMX51 || COMPILE_TEST 681bf900639SDamien Riegel select WATCHDOG_CORE 682bf900639SDamien Riegel select MFD_SYSCON 683bf900639SDamien Riegel help 684bf900639SDamien Riegel Technologic Systems TS-4800 has watchdog timer implemented in 685bf900639SDamien Riegel an external FPGA. Say Y here if you want to support for the 686bf900639SDamien Riegel watchdog timer on TS-4800 board. 687bf900639SDamien Riegel 688c90bf2aaSMika Westerbergconfig TS72XX_WATCHDOG 689c90bf2aaSMika Westerberg tristate "TS-72XX SBC Watchdog" 690da2a68b3SGuenter Roeck depends on MACH_TS72XX || COMPILE_TEST 6910f0dbd9bSShyam Saini select WATCHDOG_CORE 692c90bf2aaSMika Westerberg help 693c90bf2aaSMika Westerberg Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 694c90bf2aaSMika Westerberg watchdog timer implemented in a external CPLD chip. Say Y here 695c90bf2aaSMika Westerberg if you want to support for the watchdog timer on TS-72XX boards. 696c90bf2aaSMika Westerberg 697c90bf2aaSMika Westerberg To compile this driver as a module, choose M here: the 698c90bf2aaSMika Westerberg module will be called ts72xx_wdt. 699c90bf2aaSMika Westerberg 7005e803716SMarc Zyngierconfig MAX63XX_WATCHDOG 7015e803716SMarc Zyngier tristate "Max63xx watchdog" 70204658449SVivien Didelot depends on HAS_IOMEM 703a0f36833SAxel Lin select WATCHDOG_CORE 7045e803716SMarc Zyngier help 7055e803716SMarc Zyngier Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 7065e803716SMarc Zyngier 707ff3bb2f5SLaxman Dewanganconfig MAX77620_WATCHDOG 708ff3bb2f5SLaxman Dewangan tristate "Maxim Max77620 Watchdog Timer" 709254099d8SLuca Ceresoli depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 710da9e3f4eSDavid Engraf select WATCHDOG_CORE 711ff3bb2f5SLaxman Dewangan help 712ff3bb2f5SLaxman Dewangan This is the driver for the Max77620 watchdog timer. 713ff3bb2f5SLaxman Dewangan Say 'Y' here to enable the watchdog timer support for 714ff3bb2f5SLaxman Dewangan MAX77620 chips. To compile this driver as a module, 715ff3bb2f5SLaxman Dewangan choose M here: the module will be called max77620_wdt. 716ff3bb2f5SLaxman Dewangan 717bb2fd8a8SWolfram Sangconfig IMX2_WDT 718bb2fd8a8SWolfram Sang tristate "IMX2+ Watchdog" 719da2a68b3SGuenter Roeck depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 720a7977003SXiubo Li select REGMAP_MMIO 721faad5de0SAnatolij Gustschin select WATCHDOG_CORE 722bb2fd8a8SWolfram Sang help 723bb2fd8a8SWolfram Sang This is the driver for the hardware watchdog 724bb2fd8a8SWolfram Sang on the Freescale IMX2 and later processors. 725bb2fd8a8SWolfram Sang If you have one of these processors and wish to have 726bb2fd8a8SWolfram Sang watchdog support enabled, say Y, otherwise say N. 727bb2fd8a8SWolfram Sang 728bb2fd8a8SWolfram Sang To compile this driver as a module, choose M here: the 729bb2fd8a8SWolfram Sang module will be called imx2_wdt. 730bb2fd8a8SWolfram Sang 731986857acSAnson Huangconfig IMX_SC_WDT 732986857acSAnson Huang tristate "IMX SC Watchdog" 733986857acSAnson Huang depends on HAVE_ARM_SMCCC 734f1a43aadSRob Herring depends on IMX_SCU || COMPILE_TEST 735986857acSAnson Huang select WATCHDOG_CORE 736986857acSAnson Huang help 737986857acSAnson Huang This is the driver for the system controller watchdog 738986857acSAnson Huang on the NXP i.MX SoCs with system controller inside, the 739986857acSAnson Huang watchdog driver will call ARM SMC API and trap into 740986857acSAnson Huang ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 741986857acSAnson Huang will request system controller to execute the operations. 742986857acSAnson Huang If you have one of these processors and wish to have 743986857acSAnson Huang watchdog support enabled, say Y, otherwise say N. 744986857acSAnson Huang 745986857acSAnson Huang To compile this driver as a module, choose M here: the 746986857acSAnson Huang module will be called imx_sc_wdt. 747986857acSAnson Huang 74841b630f4SAnson Huangconfig IMX7ULP_WDT 74941b630f4SAnson Huang tristate "IMX7ULP Watchdog" 75041b630f4SAnson Huang depends on ARCH_MXC || COMPILE_TEST 75141b630f4SAnson Huang select WATCHDOG_CORE 75241b630f4SAnson Huang help 75341b630f4SAnson Huang This is the driver for the hardware watchdog on the Freescale 75441b630f4SAnson Huang IMX7ULP and later processors. If you have one of these 75541b630f4SAnson Huang processors and wish to have watchdog support enabled, 75641b630f4SAnson Huang say Y, otherwise say N. 75741b630f4SAnson Huang 75841b630f4SAnson Huang To compile this driver as a module, choose M here: the 75941b630f4SAnson Huang module will be called imx7ulp_wdt. 76041b630f4SAnson Huang 761d0305aacSLinus Walleijconfig DB500_WATCHDOG 762d0305aacSLinus Walleij tristate "ST-Ericsson DB800 watchdog" 7639297b652SArnd Bergmann depends on MFD_DB8500_PRCMU 764f0e5bd41SFabio Baltieri select WATCHDOG_CORE 765f0e5bd41SFabio Baltieri default y 766f0e5bd41SFabio Baltieri help 767f0e5bd41SFabio Baltieri Say Y here to include Watchdog timer support for the watchdog 768d0305aacSLinus Walleij existing in the prcmu of ST-Ericsson DB8500 platform. 769f0e5bd41SFabio Baltieri 770f0e5bd41SFabio Baltieri To compile this driver as a module, choose M here: the 771d0305aacSLinus Walleij module will be called db500_wdt. 772f0e5bd41SFabio Baltieri 7733d3a6d18SAaro Koskinenconfig RETU_WATCHDOG 7743d3a6d18SAaro Koskinen tristate "Retu watchdog" 7759ad82f11SArnd Bergmann depends on MFD_RETU 7763d3a6d18SAaro Koskinen select WATCHDOG_CORE 7773d3a6d18SAaro Koskinen help 7783d3a6d18SAaro Koskinen Retu watchdog driver for Nokia Internet Tablets (770, N800, 7793d3a6d18SAaro Koskinen N810). At least on N800 the watchdog cannot be disabled, so 7803d3a6d18SAaro Koskinen this driver is essential and you should enable it. 7813d3a6d18SAaro Koskinen 7823d3a6d18SAaro Koskinen To compile this driver as a module, choose M here: the 7833d3a6d18SAaro Koskinen module will be called retu_wdt. 7843d3a6d18SAaro Koskinen 785e14538e0SJonas Jensenconfig MOXART_WDT 786e14538e0SJonas Jensen tristate "MOXART watchdog" 787da2a68b3SGuenter Roeck depends on ARCH_MOXART || COMPILE_TEST 788e14538e0SJonas Jensen help 789e14538e0SJonas Jensen Say Y here to include Watchdog timer support for the watchdog 790e14538e0SJonas Jensen existing on the MOXA ART SoC series platforms. 791e14538e0SJonas Jensen 792e14538e0SJonas Jensen To compile this driver as a module, choose M here: the 793e14538e0SJonas Jensen module will be called moxart_wdt. 794e14538e0SJonas Jensen 795f27925a6SLee Jonesconfig ST_LPC_WATCHDOG 796f27925a6SLee Jones tristate "STMicroelectronics LPC Watchdog" 797da2a68b3SGuenter Roeck depends on ARCH_STI || COMPILE_TEST 798f27925a6SLee Jones depends on OF 799f27925a6SLee Jones select WATCHDOG_CORE 800f27925a6SLee Jones help 801f27925a6SLee Jones Say Y here to include STMicroelectronics Low Power Controller 802f27925a6SLee Jones (LPC) based Watchdog timer support. 803f27925a6SLee Jones 804f27925a6SLee Jones To compile this driver as a module, choose M here: the 805f27925a6SLee Jones module will be called st_lpc_wdt. 806f27925a6SLee Jones 807c33a1597SAndrew Chewconfig TEGRA_WATCHDOG 808c33a1597SAndrew Chew tristate "Tegra watchdog" 80971fd380aSChen Gang depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 810c33a1597SAndrew Chew select WATCHDOG_CORE 811c33a1597SAndrew Chew help 812c33a1597SAndrew Chew Say Y here to include support for the watchdog timer 813c33a1597SAndrew Chew embedded in NVIDIA Tegra SoCs. 814c33a1597SAndrew Chew 815c33a1597SAndrew Chew To compile this driver as a module, choose M here: the 816c33a1597SAndrew Chew module will be called tegra_wdt. 817c33a1597SAndrew Chew 8181094ebe9SJosh Cartwrightconfig QCOM_WDT 8191094ebe9SJosh Cartwright tristate "QCOM watchdog" 8201094ebe9SJosh Cartwright depends on HAS_IOMEM 821da2a68b3SGuenter Roeck depends on ARCH_QCOM || COMPILE_TEST 8221094ebe9SJosh Cartwright select WATCHDOG_CORE 8231094ebe9SJosh Cartwright help 8241094ebe9SJosh Cartwright Say Y here to include Watchdog timer support for the watchdog found 8251094ebe9SJosh Cartwright on QCOM chipsets. Currently supported targets are the MSM8960, 8261094ebe9SJosh Cartwright APQ8064, and IPQ8064. 8271094ebe9SJosh Cartwright 8281094ebe9SJosh Cartwright To compile this driver as a module, choose M here: the 8291094ebe9SJosh Cartwright module will be called qcom_wdt. 8301094ebe9SJosh Cartwright 831683fa50fSNeil Armstrongconfig MESON_GXBB_WATCHDOG 832683fa50fSNeil Armstrong tristate "Amlogic Meson GXBB SoCs watchdog support" 833da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 834683fa50fSNeil Armstrong select WATCHDOG_CORE 835683fa50fSNeil Armstrong help 836683fa50fSNeil Armstrong Say Y here to include support for the watchdog timer 837683fa50fSNeil Armstrong in Amlogic Meson GXBB SoCs. 838683fa50fSNeil Armstrong To compile this driver as a module, choose M here: the 839683fa50fSNeil Armstrong module will be called meson_gxbb_wdt. 840683fa50fSNeil Armstrong 84122e1b8f6SCarlo Caioneconfig MESON_WATCHDOG 84222e1b8f6SCarlo Caione tristate "Amlogic Meson SoCs watchdog support" 843da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 84422e1b8f6SCarlo Caione select WATCHDOG_CORE 84522e1b8f6SCarlo Caione help 84622e1b8f6SCarlo Caione Say Y here to include support for the watchdog timer 84722e1b8f6SCarlo Caione in Amlogic Meson SoCs. 84822e1b8f6SCarlo Caione To compile this driver as a module, choose M here: the 84922e1b8f6SCarlo Caione module will be called meson_wdt. 85022e1b8f6SCarlo Caione 851a44a4553SMatthias Bruggerconfig MEDIATEK_WATCHDOG 852a44a4553SMatthias Brugger tristate "Mediatek SoCs watchdog support" 853da2a68b3SGuenter Roeck depends on ARCH_MEDIATEK || COMPILE_TEST 854ab571cbcSKevin Hilman default ARCH_MEDIATEK 855a44a4553SMatthias Brugger select WATCHDOG_CORE 8565eee7c62SRandy Dunlap select RESET_CONTROLLER 857a44a4553SMatthias Brugger help 858a44a4553SMatthias Brugger Say Y here to include support for the watchdog timer 859a44a4553SMatthias Brugger in Mediatek SoCs. 860a44a4553SMatthias Brugger To compile this driver as a module, choose M here: the 861a44a4553SMatthias Brugger module will be called mtk_wdt. 862a44a4553SMatthias Brugger 863336694a0SBaruch Siachconfig DIGICOLOR_WATCHDOG 864336694a0SBaruch Siach tristate "Conexant Digicolor SoCs watchdog support" 865da2a68b3SGuenter Roeck depends on ARCH_DIGICOLOR || COMPILE_TEST 866336694a0SBaruch Siach select WATCHDOG_CORE 867336694a0SBaruch Siach help 868336694a0SBaruch Siach Say Y here to include support for the watchdog timer 869336694a0SBaruch Siach in Conexant Digicolor SoCs. 870336694a0SBaruch Siach To compile this driver as a module, choose M here: the 871336694a0SBaruch Siach module will be called digicolor_wdt. 872336694a0SBaruch Siach 87372a9e7feSJulius Wernerconfig ARM_SMC_WATCHDOG 87472a9e7feSJulius Werner tristate "ARM Secure Monitor Call based watchdog support" 87572a9e7feSJulius Werner depends on ARM || ARM64 87672a9e7feSJulius Werner depends on OF 87772a9e7feSJulius Werner depends on HAVE_ARM_SMCCC 87872a9e7feSJulius Werner select WATCHDOG_CORE 87972a9e7feSJulius Werner help 88072a9e7feSJulius Werner Say Y here to include support for a watchdog timer 88172a9e7feSJulius Werner implemented by the EL3 Secure Monitor on ARM platforms. 88272a9e7feSJulius Werner Requires firmware support. 88372a9e7feSJulius Werner To compile this driver as a module, choose M here: the 88472a9e7feSJulius Werner module will be called arm_smc_wdt. 88572a9e7feSJulius Werner 8867c25f8c9SAriel D'Alessandroconfig LPC18XX_WATCHDOG 8877c25f8c9SAriel D'Alessandro tristate "LPC18xx/43xx Watchdog" 8887c25f8c9SAriel D'Alessandro depends on ARCH_LPC18XX || COMPILE_TEST 889d42d6108SRichard Weinberger depends on HAS_IOMEM 8907c25f8c9SAriel D'Alessandro select WATCHDOG_CORE 8917c25f8c9SAriel D'Alessandro help 8927c25f8c9SAriel D'Alessandro Say Y here if to include support for the watchdog timer 8937c25f8c9SAriel D'Alessandro in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 8947c25f8c9SAriel D'Alessandro processors. 8957c25f8c9SAriel D'Alessandro To compile this driver as a module, choose M here: the 8967c25f8c9SAriel D'Alessandro module will be called lpc18xx_wdt. 8977c25f8c9SAriel D'Alessandro 898bd99b68eSWolfram Sangconfig RENESAS_WDT 899bd99b68eSWolfram Sang tristate "Renesas WDT Watchdog" 900bd99b68eSWolfram Sang depends on ARCH_RENESAS || COMPILE_TEST 901bd99b68eSWolfram Sang select WATCHDOG_CORE 902bd99b68eSWolfram Sang help 903bd99b68eSWolfram Sang This driver adds watchdog support for the integrated watchdogs in the 904bd99b68eSWolfram Sang Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 905bd99b68eSWolfram Sang 906aea24187SChris Brandtconfig RENESAS_RZAWDT 907aea24187SChris Brandt tristate "Renesas RZ/A WDT Watchdog" 908aea24187SChris Brandt depends on ARCH_RENESAS || COMPILE_TEST 909aea24187SChris Brandt select WATCHDOG_CORE 910aea24187SChris Brandt help 911aea24187SChris Brandt This driver adds watchdog support for the integrated watchdogs in the 912aea24187SChris Brandt Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 913aea24187SChris Brandt 914d65112f5SPhil Edworthyconfig RENESAS_RZN1WDT 915d65112f5SPhil Edworthy tristate "Renesas RZ/N1 watchdog" 916d65112f5SPhil Edworthy depends on ARCH_RENESAS || COMPILE_TEST 917d65112f5SPhil Edworthy select WATCHDOG_CORE 918d65112f5SPhil Edworthy help 919d65112f5SPhil Edworthy This driver adds watchdog support for the integrated watchdogs in the 920d65112f5SPhil Edworthy Renesas RZ/N1 SoCs. These watchdogs can be used to reset a system. 921d65112f5SPhil Edworthy 9222cbc5cd0SBiju Dasconfig RENESAS_RZG2LWDT 9232cbc5cd0SBiju Das tristate "Renesas RZ/G2L WDT Watchdog" 9242cbc5cd0SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 9252cbc5cd0SBiju Das select WATCHDOG_CORE 9262cbc5cd0SBiju Das help 9272cbc5cd0SBiju Das This driver adds watchdog support for the integrated watchdogs in the 9282cbc5cd0SBiju Das Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 9292cbc5cd0SBiju Das 930efa859f7SJoel Stanleyconfig ASPEED_WATCHDOG 9312050dd06SAndrew Jeffery tristate "Aspeed BMC watchdog support" 932efa859f7SJoel Stanley depends on ARCH_ASPEED || COMPILE_TEST 933efa859f7SJoel Stanley select WATCHDOG_CORE 934efa859f7SJoel Stanley help 935efa859f7SJoel Stanley Say Y here to include support for the watchdog timer 936ffff023aSAndrew Jeffery in Aspeed BMC SoCs. 937efa859f7SJoel Stanley 938efa859f7SJoel Stanley This driver is required to reboot the SoC. 939efa859f7SJoel Stanley 940efa859f7SJoel Stanley To compile this driver as a module, choose M here: the 941efa859f7SJoel Stanley module will be called aspeed_wdt. 942efa859f7SJoel Stanley 9434332d113SYannick Fertreconfig STM32_WATCHDOG 9444332d113SYannick Fertre tristate "STM32 Independent WatchDoG (IWDG) support" 945f1a43aadSRob Herring depends on ARCH_STM32 || COMPILE_TEST 9464332d113SYannick Fertre select WATCHDOG_CORE 9474332d113SYannick Fertre default y 9484332d113SYannick Fertre help 9494332d113SYannick Fertre Say Y here to include support for the watchdog timer 9504332d113SYannick Fertre in stm32 SoCs. 9514332d113SYannick Fertre 9524332d113SYannick Fertre To compile this driver as a module, choose M here: the 9534332d113SYannick Fertre module will be called stm32_iwdg. 9544332d113SYannick Fertre 95528804c2cSPascal PAILLET-LMEconfig STPMIC1_WATCHDOG 95628804c2cSPascal PAILLET-LME tristate "STPMIC1 PMIC watchdog support" 95728804c2cSPascal PAILLET-LME depends on MFD_STPMIC1 95828804c2cSPascal PAILLET-LME select WATCHDOG_CORE 95928804c2cSPascal PAILLET-LME help 96028804c2cSPascal PAILLET-LME Say Y here to include watchdog support embedded into STPMIC1 PMIC. 96128804c2cSPascal PAILLET-LME If the watchdog timer expires, stpmic1 will shut down all its power 96228804c2cSPascal PAILLET-LME supplies. 96328804c2cSPascal PAILLET-LME 96428804c2cSPascal PAILLET-LME To compile this driver as a module, choose M here: the 96528804c2cSPascal PAILLET-LME module will be called spmic1_wdt. 96628804c2cSPascal PAILLET-LME 967e7bf0289SKeiji Hayashibaraconfig UNIPHIER_WATCHDOG 968e7bf0289SKeiji Hayashibara tristate "UniPhier watchdog support" 969e7bf0289SKeiji Hayashibara depends on ARCH_UNIPHIER || COMPILE_TEST 970e7bf0289SKeiji Hayashibara depends on OF && MFD_SYSCON 971e7bf0289SKeiji Hayashibara select WATCHDOG_CORE 972e7bf0289SKeiji Hayashibara help 973e7bf0289SKeiji Hayashibara Say Y here to include support watchdog timer embedded 974e7bf0289SKeiji Hayashibara into the UniPhier system. 975e7bf0289SKeiji Hayashibara 976e7bf0289SKeiji Hayashibara To compile this driver as a module, choose M here: the 977e7bf0289SKeiji Hayashibara module will be called uniphier_wdt. 978e7bf0289SKeiji Hayashibara 9792bdf6acbSAndreas Färberconfig RTD119X_WATCHDOG 9802bdf6acbSAndreas Färber bool "Realtek RTD119x/RTD129x watchdog support" 9812bdf6acbSAndreas Färber depends on ARCH_REALTEK || COMPILE_TEST 9822bdf6acbSAndreas Färber depends on OF 9832bdf6acbSAndreas Färber select WATCHDOG_CORE 9842bdf6acbSAndreas Färber default ARCH_REALTEK 985b7e04f8cSWim Van Sebroeck help 9862bdf6acbSAndreas Färber Say Y here to include support for the watchdog timer in 9872bdf6acbSAndreas Färber Realtek RTD1295 SoCs. 9882bdf6acbSAndreas Färber 9897d7267aeSSander Vanheuleconfig REALTEK_OTTO_WDT 9907d7267aeSSander Vanheule tristate "Realtek Otto MIPS watchdog support" 9917d7267aeSSander Vanheule depends on MACH_REALTEK_RTL || COMPILE_TEST 9927d7267aeSSander Vanheule depends on COMMON_CLK 9937d7267aeSSander Vanheule select WATCHDOG_CORE 9947d7267aeSSander Vanheule default MACH_REALTEK_RTL 9957d7267aeSSander Vanheule help 9967d7267aeSSander Vanheule Say Y here to include support for the watchdog timer on Realtek 9977d7267aeSSander Vanheule RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 9987d7267aeSSander Vanheule notifications and system reset on timeout. 9997d7267aeSSander Vanheule 10007d7267aeSSander Vanheule When built as a module this will be called realtek_otto_wdt. 10017d7267aeSSander Vanheule 100247760346SEric Longconfig SPRD_WATCHDOG 100347760346SEric Long tristate "Spreadtrum watchdog support" 100447760346SEric Long depends on ARCH_SPRD || COMPILE_TEST 100547760346SEric Long select WATCHDOG_CORE 100647760346SEric Long help 100747760346SEric Long Say Y here to include watchdog timer supported 100847760346SEric Long by Spreadtrum system. 1009b7e04f8cSWim Van Sebroeck 1010969c0accSLoic Poulainconfig PM8916_WATCHDOG 1011969c0accSLoic Poulain tristate "QCOM PM8916 pmic watchdog" 1012969c0accSLoic Poulain depends on OF && MFD_SPMI_PMIC 1013969c0accSLoic Poulain select WATCHDOG_CORE 1014969c0accSLoic Poulain help 1015969c0accSLoic Poulain Say Y here to include support watchdog timer embedded into the 1016969c0accSLoic Poulain pm8916 module. 1017969c0accSLoic Poulain 1018c5b8e464SNobuhiro Iwamatsuconfig VISCONTI_WATCHDOG 1019c5b8e464SNobuhiro Iwamatsu tristate "Toshiba Visconti series watchdog support" 1020c5b8e464SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 1021c5b8e464SNobuhiro Iwamatsu select WATCHDOG_CORE 1022c5b8e464SNobuhiro Iwamatsu help 1023c5b8e464SNobuhiro Iwamatsu Say Y here to include support for the watchdog timer in Toshiba 1024c5b8e464SNobuhiro Iwamatsu Visconti SoCs. 1025c5b8e464SNobuhiro Iwamatsu 1026e9800b79SDaniel Palmerconfig MSC313E_WATCHDOG 1027e9800b79SDaniel Palmer tristate "MStar MSC313e watchdog" 1028e9800b79SDaniel Palmer depends on ARCH_MSTARV7 || COMPILE_TEST 1029e9800b79SDaniel Palmer select WATCHDOG_CORE 1030e9800b79SDaniel Palmer help 1031e9800b79SDaniel Palmer Say Y here to include support for the Watchdog timer embedded 1032e9800b79SDaniel Palmer into MStar MSC313e chips. This will reboot your system when the 1033e9800b79SDaniel Palmer timeout is reached. 1034e9800b79SDaniel Palmer 1035e9800b79SDaniel Palmer To compile this driver as a module, choose M here: the 1036e9800b79SDaniel Palmer module will be called msc313e_wdt. 1037e9800b79SDaniel Palmer 10384ed224aeSSven Peterconfig APPLE_WATCHDOG 10394ed224aeSSven Peter tristate "Apple SoC watchdog" 10404ed224aeSSven Peter depends on ARCH_APPLE || COMPILE_TEST 10414ed224aeSSven Peter select WATCHDOG_CORE 10424ed224aeSSven Peter help 10434ed224aeSSven Peter Say Y here to include support for the Watchdog found in Apple 10444ed224aeSSven Peter SoCs such as the M1. Next to the common watchdog features this 10454ed224aeSSven Peter driver is also required in order to reboot these SoCs. 10464ed224aeSSven Peter 10474ed224aeSSven Peter To compile this driver as a module, choose M here: the 10484ed224aeSSven Peter module will be called apple_wdt. 10494ed224aeSSven Peter 1050daf42866SXiantao Huconfig SUNPLUS_WATCHDOG 1051daf42866SXiantao Hu tristate "Sunplus watchdog support" 1052daf42866SXiantao Hu depends on ARCH_SUNPLUS || COMPILE_TEST 1053daf42866SXiantao Hu select WATCHDOG_CORE 1054daf42866SXiantao Hu help 1055daf42866SXiantao Hu Say Y here to include support for the watchdog timer 1056daf42866SXiantao Hu in Sunplus SoCs. 1057daf42866SXiantao Hu 1058daf42866SXiantao Hu To compile this driver as a module, choose M here: the 1059daf42866SXiantao Hu module will be called sunplus_wdt. 1060daf42866SXiantao Hu 1061b7e04f8cSWim Van Sebroeck# X86 (i386 + ia64 + x86_64) Architecture 1062b7e04f8cSWim Van Sebroeck 1063b7e04f8cSWim Van Sebroeckconfig ACQUIRE_WDT 1064b7e04f8cSWim Van Sebroeck tristate "Acquire SBC Watchdog Timer" 1065b7e04f8cSWim Van Sebroeck depends on X86 1066a7f7f624SMasahiro Yamada help 1067b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on Single Board 1068b7e04f8cSWim Van Sebroeck Computers produced by Acquire Inc (and others). This watchdog 1069b7e04f8cSWim Van Sebroeck simply watches your kernel to make sure it doesn't freeze, and if 1070b7e04f8cSWim Van Sebroeck it does, it reboots your computer after a certain amount of time. 1071b7e04f8cSWim Van Sebroeck 1072b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1073b7e04f8cSWim Van Sebroeck module will be called acquirewdt. 1074b7e04f8cSWim Van Sebroeck 1075b7e04f8cSWim Van Sebroeck Most people will say N. 1076b7e04f8cSWim Van Sebroeck 1077b7e04f8cSWim Van Sebroeckconfig ADVANTECH_WDT 1078b7e04f8cSWim Van Sebroeck tristate "Advantech SBC Watchdog Timer" 1079f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1080b7e04f8cSWim Van Sebroeck help 1081b7e04f8cSWim Van Sebroeck If you are configuring a Linux kernel for the Advantech single-board 1082b7e04f8cSWim Van Sebroeck computer, say `Y' here to support its built-in watchdog timer 1083b7e04f8cSWim Van Sebroeck feature. More information can be found at 10842ab77a34SAlexander A. Klimov <https://www.advantech.com.tw/products/> 1085b7e04f8cSWim Van Sebroeck 108608435c2aSThomas Kastnerconfig ADVANTECH_EC_WDT 108708435c2aSThomas Kastner tristate "Advantech Embedded Controller Watchdog Timer" 1088f1a43aadSRob Herring depends on X86 || COMPILE_TEST 10896eb28a38SFlorent CARLI select ISA_BUS_API 10906eb28a38SFlorent CARLI select WATCHDOG_CORE 109108435c2aSThomas Kastner help 109208435c2aSThomas Kastner This driver supports Advantech products with ITE based Embedded Controller. 109308435c2aSThomas Kastner It does not support Advantech products with other ECs or without EC. 109408435c2aSThomas Kastner 1095b7e04f8cSWim Van Sebroeckconfig ALIM1535_WDT 1096b7e04f8cSWim Van Sebroeck tristate "ALi M1535 PMU Watchdog Timer" 1097f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1098a7f7f624SMasahiro Yamada help 1099b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M1535 PMU. 1100b7e04f8cSWim Van Sebroeck 1101b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1102b7e04f8cSWim Van Sebroeck module will be called alim1535_wdt. 1103b7e04f8cSWim Van Sebroeck 1104b7e04f8cSWim Van Sebroeck Most people will say N. 1105b7e04f8cSWim Van Sebroeck 1106b7e04f8cSWim Van Sebroeckconfig ALIM7101_WDT 1107b7e04f8cSWim Van Sebroeck tristate "ALi M7101 PMU Computer Watchdog" 1108bdd87354SAlexander Clouter depends on PCI 1109b7e04f8cSWim Van Sebroeck help 1110b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M7101 PMU 1111bdd87354SAlexander Clouter as used in the x86 Cobalt servers and also found in some 1112bdd87354SAlexander Clouter SPARC Netra servers too. 1113b7e04f8cSWim Van Sebroeck 1114b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1115b7e04f8cSWim Van Sebroeck module will be called alim7101_wdt. 1116b7e04f8cSWim Van Sebroeck 1117b7e04f8cSWim Van Sebroeck Most people will say N. 1118b7e04f8cSWim Van Sebroeck 1119c36a483dSWilliam Breathitt Grayconfig EBC_C384_WDT 1120c36a483dSWilliam Breathitt Gray tristate "WinSystems EBC-C384 Watchdog Timer" 1121f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1122ccfe35eaSWilliam Breathitt Gray select ISA_BUS_API 1123c36a483dSWilliam Breathitt Gray select WATCHDOG_CORE 1124c36a483dSWilliam Breathitt Gray help 1125c36a483dSWilliam Breathitt Gray Enables watchdog timer support for the watchdog timer on the 1126c36a483dSWilliam Breathitt Gray WinSystems EBC-C384 motherboard. The timeout may be configured via 1127c36a483dSWilliam Breathitt Gray the timeout module parameter. 1128c36a483dSWilliam Breathitt Gray 112981126222SDavid Müllerconfig EXAR_WDT 113081126222SDavid Müller tristate "Exar Watchdog Timer" 1131f1a43aadSRob Herring depends on X86 || COMPILE_TEST 113281126222SDavid Müller select WATCHDOG_CORE 113381126222SDavid Müller help 113481126222SDavid Müller Enables watchdog timer support for the watchdog timer present 113581126222SDavid Müller in some Exar/MaxLinear UART chips like the XR28V38x. 113681126222SDavid Müller 113781126222SDavid Müller To compile this driver as a module, choose M here: the 113881126222SDavid Müller module will be called exar_wdt. 113981126222SDavid Müller 114096cb4eb0SGiel van Schijndelconfig F71808E_WDT 1141166fbcf8SMaciej S. Szmigiero tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1142f1a43aadSRob Herring depends on X86 || COMPILE_TEST 11438bea27edSAhmad Fatoum select WATCHDOG_CORE 114496cb4eb0SGiel van Schijndel help 1145166fbcf8SMaciej S. Szmigiero This is the driver for the hardware watchdog on the Fintek F71808E, 1146ca2fc5efSJaret Cantu F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1147ca2fc5efSJaret Cantu F81866 Super I/O controllers. 114896cb4eb0SGiel van Schijndel 114996cb4eb0SGiel van Schijndel You can compile this driver directly into the kernel, or use 115096cb4eb0SGiel van Schijndel it as a module. The module will be called f71808e_wdt. 115196cb4eb0SGiel van Schijndel 115215e28bf1SPriyanka Guptaconfig SP5100_TCO 115315e28bf1SPriyanka Gupta tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 1154f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1155a17f4f03SWim Van Sebroeck select WATCHDOG_CORE 1156a7f7f624SMasahiro Yamada help 115715e28bf1SPriyanka Gupta Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 115815e28bf1SPriyanka Gupta (Total Cost of Ownership) timer is a watchdog timer that will reboot 115915e28bf1SPriyanka Gupta the machine after its expiration. The expiration time can be 116015e28bf1SPriyanka Gupta configured with the "heartbeat" parameter. 116115e28bf1SPriyanka Gupta 116215e28bf1SPriyanka Gupta To compile this driver as a module, choose M here: the 116315e28bf1SPriyanka Gupta module will be called sp5100_tco. 116496cb4eb0SGiel van Schijndel 11650b36086bSJordan Crouseconfig GEODE_WDT 11660b36086bSJordan Crouse tristate "AMD Geode CS5535/CS5536 Watchdog" 11670369fdf2SArnd Bergmann depends on CS5535_MFGPT 11680b36086bSJordan Crouse help 11690b36086bSJordan Crouse This driver enables a watchdog capability built into the 11700b36086bSJordan Crouse CS5535/CS5536 companion chips for the AMD Geode GX and LX 11710b36086bSJordan Crouse processors. This watchdog watches your kernel to make sure 11720b36086bSJordan Crouse it doesn't freeze, and if it does, it reboots your computer after 11730b36086bSJordan Crouse a certain amount of time. 11740b36086bSJordan Crouse 11750b36086bSJordan Crouse You can compile this driver directly into the kernel, or use 11760b36086bSJordan Crouse it as a module. The module will be called geodewdt. 11770b36086bSJordan Crouse 1178b7e04f8cSWim Van Sebroeckconfig SC520_WDT 1179b7e04f8cSWim Van Sebroeck tristate "AMD Elan SC520 processor Watchdog" 1180da2a68b3SGuenter Roeck depends on MELAN || COMPILE_TEST 1181b7e04f8cSWim Van Sebroeck help 1182b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog built in to the 1183b7e04f8cSWim Van Sebroeck AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1184b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1185b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1186b7e04f8cSWim Van Sebroeck amount of time. 1187b7e04f8cSWim Van Sebroeck 1188b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1189b7e04f8cSWim Van Sebroeck it as a module. The module will be called sc520_wdt. 1190b7e04f8cSWim Van Sebroeck 11913a5f9000SDenis Turischevconfig SBC_FITPC2_WATCHDOG 11923a5f9000SDenis Turischev tristate "Compulab SBC-FITPC2 watchdog" 1193f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1194a7f7f624SMasahiro Yamada help 1195ef39a1bfSDenis Turischev This is the driver for the built-in watchdog timer on the fit-PC2, 1196ef39a1bfSDenis Turischev fit-PC2i, CM-iAM single-board computers made by Compulab. 11973a5f9000SDenis Turischev 119801028829SRandy Dunlap It's possible to enable the watchdog timer either from BIOS (F2) or 119901028829SRandy Dunlap from booted Linux. 120001028829SRandy Dunlap When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 120101028829SRandy Dunlap operational range. 12023a5f9000SDenis Turischev 120301028829SRandy Dunlap Entering BIOS setup temporarily disables watchdog operation regardless 120401028829SRandy Dunlap of current state, so system will not be restarted while user is in 120501028829SRandy Dunlap BIOS setup. 12063a5f9000SDenis Turischev 120701028829SRandy Dunlap Once the watchdog is enabled the system will be restarted every 12083a5f9000SDenis Turischev "Watchdog Timer Value" period, so to prevent it user can restart or 12093a5f9000SDenis Turischev disable the watchdog. 12103a5f9000SDenis Turischev 12113a5f9000SDenis Turischev To compile this driver as a module, choose M here: the 12123a5f9000SDenis Turischev module will be called sbc_fitpc2_wdt. 12133a5f9000SDenis Turischev 12143a5f9000SDenis Turischev Most people will say N. 12153a5f9000SDenis Turischev 1216b7e04f8cSWim Van Sebroeckconfig EUROTECH_WDT 1217b7e04f8cSWim Van Sebroeck tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1218f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1219b7e04f8cSWim Van Sebroeck help 1220b7e04f8cSWim Van Sebroeck Enable support for the watchdog timer on the Eurotech CPU-1220 and 1221b7e04f8cSWim Van Sebroeck CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1222b7e04f8cSWim Van Sebroeck information are at <http://www.eurotech.it/>. 1223b7e04f8cSWim Van Sebroeck 1224b7e04f8cSWim Van Sebroeckconfig IB700_WDT 1225b7e04f8cSWim Van Sebroeck tristate "IB700 SBC Watchdog Timer" 1226f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1227a7f7f624SMasahiro Yamada help 1228b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the IB700 Single 122901028829SRandy Dunlap Board Computer produced by TMC Technology (www.tmc-uk.com). This 123001028829SRandy Dunlap watchdog simply watches your kernel to make sure it doesn't freeze, 123101028829SRandy Dunlap and if it does, it reboots your computer after a certain amount of time. 1232b7e04f8cSWim Van Sebroeck 123301028829SRandy Dunlap This driver is like the WDT501 driver but for slightly different 123401028829SRandy Dunlap hardware. 1235b7e04f8cSWim Van Sebroeck 1236b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1237b7e04f8cSWim Van Sebroeck module will be called ib700wdt. 1238b7e04f8cSWim Van Sebroeck 1239b7e04f8cSWim Van Sebroeck Most people will say N. 1240b7e04f8cSWim Van Sebroeck 1241b7e04f8cSWim Van Sebroeckconfig IBMASR 1242b7e04f8cSWim Van Sebroeck tristate "IBM Automatic Server Restart" 1243f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1244b7e04f8cSWim Van Sebroeck help 1245b7e04f8cSWim Van Sebroeck This is the driver for the IBM Automatic Server Restart watchdog 1246b7e04f8cSWim Van Sebroeck timer built-in into some eServer xSeries machines. 1247b7e04f8cSWim Van Sebroeck 1248b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1249b7e04f8cSWim Van Sebroeck module will be called ibmasr. 1250b7e04f8cSWim Van Sebroeck 1251b7e04f8cSWim Van Sebroeckconfig WAFER_WDT 125201ed08c1SVeljkovic Srdjan tristate "ICP Single Board Computer Watchdog Timer" 1253f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1254b7e04f8cSWim Van Sebroeck help 125501ed08c1SVeljkovic Srdjan This is a driver for the hardware watchdog on the ICP Single 125601ed08c1SVeljkovic Srdjan Board Computer. This driver is working on (at least) the following 125701ed08c1SVeljkovic Srdjan IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1258b7e04f8cSWim Van Sebroeck 1259b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1260b7e04f8cSWim Van Sebroeck module will be called wafer5823wdt. 1261b7e04f8cSWim Van Sebroeck 1262b7e04f8cSWim Van Sebroeckconfig I6300ESB_WDT 1263b7e04f8cSWim Van Sebroeck tristate "Intel 6300ESB Timer/Watchdog" 12647050bd54SMichael Olbrich depends on PCI 12657e2e5158SMatteo Croce select WATCHDOG_CORE 1266a7f7f624SMasahiro Yamada help 1267b7e04f8cSWim Van Sebroeck Hardware driver for the watchdog timer built into the Intel 1268b7e04f8cSWim Van Sebroeck 6300ESB controller hub. 1269b7e04f8cSWim Van Sebroeck 1270b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1271b7e04f8cSWim Van Sebroeck module will be called i6300esb. 1272b7e04f8cSWim Van Sebroeck 1273101ce87bSAlexander Steinconfig IE6XX_WDT 1274101ce87bSAlexander Stein tristate "Intel Atom E6xx Watchdog" 1275f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1276101ce87bSAlexander Stein select WATCHDOG_CORE 1277101ce87bSAlexander Stein select MFD_CORE 1278101ce87bSAlexander Stein select LPC_SCH 1279a7f7f624SMasahiro Yamada help 1280101ce87bSAlexander Stein Hardware driver for the watchdog timer built into the Intel 1281101ce87bSAlexander Stein Atom E6XX (TunnelCreek) processor. 1282101ce87bSAlexander Stein 1283101ce87bSAlexander Stein To compile this driver as a module, choose M here: the 1284101ce87bSAlexander Stein module will be called ie6xx_wdt. 1285101ce87bSAlexander Stein 128687a1ef80SDavid Cohenconfig INTEL_MID_WATCHDOG 128787a1ef80SDavid Cohen tristate "Intel MID Watchdog Timer" 128887a1ef80SDavid Cohen depends on X86_INTEL_MID 128987a1ef80SDavid Cohen select WATCHDOG_CORE 1290a7f7f624SMasahiro Yamada help 129187a1ef80SDavid Cohen Watchdog timer driver built into the Intel SCU for Intel MID 129287a1ef80SDavid Cohen Platforms. 129387a1ef80SDavid Cohen 129487a1ef80SDavid Cohen This driver currently supports only the watchdog evolution 129587a1ef80SDavid Cohen implementation in SCU, available for Merrifield generation. 129687a1ef80SDavid Cohen 129787a1ef80SDavid Cohen To compile this driver as a module, choose M here. 129887a1ef80SDavid Cohen 1299b7e04f8cSWim Van Sebroeckconfig ITCO_WDT 1300b7e04f8cSWim Van Sebroeck tristate "Intel TCO Timer/Watchdog" 1301cf8e8658SArd Biesheuvel depends on X86 && PCI 1302bff23431SWim Van Sebroeck select WATCHDOG_CORE 13033cef072dSGuenter Roeck depends on I2C || I2C=n 1304b30c1a46SArnd Bergmann depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 13052a7a0e9bSMatt Fleming select LPC_ICH if !EXPERT 13063cef072dSGuenter Roeck select I2C_I801 if !EXPERT && I2C 1307a7f7f624SMasahiro Yamada help 1308b7e04f8cSWim Van Sebroeck Hardware driver for the intel TCO timer based watchdog devices. 1309b7e04f8cSWim Van Sebroeck These drivers are included in the Intel 82801 I/O Controller 131012d60e28SWim Van Sebroeck Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1311b7e04f8cSWim Van Sebroeck controller hub. 1312b7e04f8cSWim Van Sebroeck 1313b7e04f8cSWim Van Sebroeck The TCO (Total Cost of Ownership) timer is a watchdog timer 1314b7e04f8cSWim Van Sebroeck that will reboot the machine after its second expiration. The 1315b7e04f8cSWim Van Sebroeck expiration time can be configured with the "heartbeat" parameter. 1316b7e04f8cSWim Van Sebroeck 1317b7e04f8cSWim Van Sebroeck On some motherboards the driver may fail to reset the chipset's 1318b7e04f8cSWim Van Sebroeck NO_REBOOT flag which prevents the watchdog from rebooting the 1319b7e04f8cSWim Van Sebroeck machine. If this is the case you will get a kernel message like 1320b7e04f8cSWim Van Sebroeck "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1321b7e04f8cSWim Van Sebroeck 1322b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1323b7e04f8cSWim Van Sebroeck module will be called iTCO_wdt. 1324b7e04f8cSWim Van Sebroeck 1325b7e04f8cSWim Van Sebroeckconfig ITCO_VENDOR_SUPPORT 1326b7e04f8cSWim Van Sebroeck bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1327b7e04f8cSWim Van Sebroeck depends on ITCO_WDT 1328a7f7f624SMasahiro Yamada help 1329b7e04f8cSWim Van Sebroeck Add vendor specific support to the intel TCO timer based watchdog 1330b7e04f8cSWim Van Sebroeck devices. At this moment we only have additional support for some 1331b7e04f8cSWim Van Sebroeck SuperMicro Inc. motherboards. 1332b7e04f8cSWim Van Sebroeck 133338ff6fd2SJorge Boncompte [DTI2]config IT8712F_WDT 133438ff6fd2SJorge Boncompte [DTI2] tristate "IT8712F (Smart Guardian) Watchdog Timer" 1335f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1336a7f7f624SMasahiro Yamada help 133738ff6fd2SJorge Boncompte [DTI2] This is the driver for the built-in watchdog timer on the IT8712F 133838ff6fd2SJorge Boncompte [DTI2] Super I/0 chipset used on many motherboards. 133938ff6fd2SJorge Boncompte [DTI2] 13404fc36808SWim Van Sebroeck If the driver does not work, then make sure that the game port in 13414fc36808SWim Van Sebroeck the BIOS is enabled. 13424fc36808SWim Van Sebroeck 134338ff6fd2SJorge Boncompte [DTI2] To compile this driver as a module, choose M here: the 134438ff6fd2SJorge Boncompte [DTI2] module will be called it8712f_wdt. 134538ff6fd2SJorge Boncompte [DTI2] 1346e1fee94fSOliver Schusterconfig IT87_WDT 1347e1fee94fSOliver Schuster tristate "IT87 Watchdog Timer" 1348f1a43aadSRob Herring depends on X86 || COMPILE_TEST 13491d7b8039SGuenter Roeck select WATCHDOG_CORE 1350a7f7f624SMasahiro Yamada help 1351cddda07cSGuenter Roeck This is the driver for the hardware watchdog on the ITE IT8607, 1352cddda07cSGuenter Roeck IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1353cddda07cSGuenter Roeck IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1354cddda07cSGuenter Roeck IT8783 Super I/O chips. 1355198ca015SDiego Elio Pettenò 1356dfb0b8eaSOndrej Zajicek This watchdog simply watches your kernel to make sure it doesn't 1357dfb0b8eaSOndrej Zajicek freeze, and if it does, it reboots your computer after a certain 1358dfb0b8eaSOndrej Zajicek amount of time. 1359e1fee94fSOliver Schuster 1360e1fee94fSOliver Schuster To compile this driver as a module, choose M here: the module will 1361e1fee94fSOliver Schuster be called it87_wdt. 1362e1fee94fSOliver Schuster 13637f4da474SThomas Mingarelliconfig HP_WATCHDOG 1364ea6649c7SNaga Chumbalkar tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1365d0a4027fSJerry Hoemann select WATCHDOG_CORE 1366f1a43aadSRob Herring depends on (ARM64 || X86 || COMPILE_TEST) && PCI 13677f4da474SThomas Mingarelli help 136800fd20b4SJerry Hoemann A software monitoring watchdog and NMI handling driver. This driver 136986ded1f3Sdann frazier will detect lockups and provide a stack trace. This is a driver that 1370ea6649c7SNaga Chumbalkar will only load on an HP ProLiant system with a minimum of iLO2 support. 137186ded1f3Sdann frazier To compile this driver as a module, choose M here: the module will be 137286ded1f3Sdann frazier called hpwdt. 137386ded1f3Sdann frazier 1374345f1625SGuenter Roeckconfig HPWDT_NMI_DECODING 1375345f1625SGuenter Roeck bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1376891862d5SJerry Hoemann depends on X86 && HP_WATCHDOG 1377345f1625SGuenter Roeck default y 1378345f1625SGuenter Roeck help 1379345f1625SGuenter Roeck Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1380345f1625SGuenter Roeck "Generate NMI to System" virtual button. When an NMI is claimed 1381345f1625SGuenter Roeck by the driver, panic is called. 1382345f1625SGuenter Roeck 1383e51c288eSKevin Strasserconfig KEMPLD_WDT 1384e51c288eSKevin Strasser tristate "Kontron COM Watchdog Timer" 1385ed4a9ecaSArnd Bergmann depends on MFD_KEMPLD 1386e51c288eSKevin Strasser select WATCHDOG_CORE 1387e51c288eSKevin Strasser help 1388e51c288eSKevin Strasser Support for the PLD watchdog on some Kontron ETX and COMexpress 1389e51c288eSKevin Strasser (ETXexpress) modules 1390e51c288eSKevin Strasser 1391e51c288eSKevin Strasser This driver can also be built as a module. If so, the module will be 1392e51c288eSKevin Strasser called kempld_wdt. 1393e51c288eSKevin Strasser 1394b7e04f8cSWim Van Sebroeckconfig SC1200_WDT 1395b7e04f8cSWim Van Sebroeck tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1396f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1397b7e04f8cSWim Van Sebroeck help 1398b7e04f8cSWim Van Sebroeck This is a driver for National Semiconductor PC87307/PC97307 hardware 1399b7e04f8cSWim Van Sebroeck watchdog cards as found on the SC1200. This watchdog is mainly used 1400b7e04f8cSWim Van Sebroeck for power management purposes and can be used to power down the device 1401b7e04f8cSWim Van Sebroeck during inactivity periods (includes interrupt activity monitoring). 1402b7e04f8cSWim Van Sebroeck 1403b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1404b7e04f8cSWim Van Sebroeck module will be called sc1200wdt. 1405b7e04f8cSWim Van Sebroeck 1406b7e04f8cSWim Van Sebroeck Most people will say N. 1407b7e04f8cSWim Van Sebroeck 1408b7e04f8cSWim Van Sebroeckconfig SCx200_WDT 1409b7e04f8cSWim Van Sebroeck tristate "National Semiconductor SCx200 Watchdog" 1410b7e04f8cSWim Van Sebroeck depends on SCx200 && PCI 1411b7e04f8cSWim Van Sebroeck help 1412b7e04f8cSWim Van Sebroeck Enable the built-in watchdog timer support on the National 1413b7e04f8cSWim Van Sebroeck Semiconductor SCx200 processors. 1414b7e04f8cSWim Van Sebroeck 1415b7e04f8cSWim Van Sebroeck If compiled as a module, it will be called scx200_wdt. 1416b7e04f8cSWim Van Sebroeck 1417b7e04f8cSWim Van Sebroeckconfig PC87413_WDT 1418b7e04f8cSWim Van Sebroeck tristate "NS PC87413 watchdog" 1419f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1420a7f7f624SMasahiro Yamada help 1421b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the PC87413 chipset 1422b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1423b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1424b7e04f8cSWim Van Sebroeck amount of time. 1425b7e04f8cSWim Van Sebroeck 1426b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1427b7e04f8cSWim Van Sebroeck module will be called pc87413_wdt. 1428b7e04f8cSWim Van Sebroeck 1429b7e04f8cSWim Van Sebroeck Most people will say N. 1430b7e04f8cSWim Van Sebroeck 1431456c7301SMike Waychisonconfig NV_TCO 1432456c7301SMike Waychison tristate "nVidia TCO Timer/Watchdog" 1433f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1434a7f7f624SMasahiro Yamada help 1435456c7301SMike Waychison Hardware driver for the TCO timer built into the nVidia Hub family 1436456c7301SMike Waychison (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1437456c7301SMike Waychison watchdog timer that will reboot the machine after its second 1438456c7301SMike Waychison expiration. The expiration time can be configured with the 1439456c7301SMike Waychison "heartbeat" parameter. 1440456c7301SMike Waychison 1441456c7301SMike Waychison On some motherboards the driver may fail to reset the chipset's 1442456c7301SMike Waychison NO_REBOOT flag which prevents the watchdog from rebooting the 1443456c7301SMike Waychison machine. If this is the case you will get a kernel message like 1444456c7301SMike Waychison "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1445456c7301SMike Waychison 1446456c7301SMike Waychison To compile this driver as a module, choose M here: the 1447456c7301SMike Waychison module will be called nv_tco. 1448456c7301SMike Waychison 1449b3e8f2c1SFlorian Fainelliconfig RDC321X_WDT 1450b3e8f2c1SFlorian Fainelli tristate "RDC R-321x SoC watchdog" 1451da2a68b3SGuenter Roeck depends on X86_RDC321X || COMPILE_TEST 14528751f90cSGuenter Roeck depends on PCI 1453b3e8f2c1SFlorian Fainelli help 1454b3e8f2c1SFlorian Fainelli This is the driver for the built in hardware watchdog 1455b3e8f2c1SFlorian Fainelli in the RDC R-321x SoC. 1456b3e8f2c1SFlorian Fainelli 1457b3e8f2c1SFlorian Fainelli To compile this driver as a module, choose M here: the 1458b3e8f2c1SFlorian Fainelli module will be called rdc321x_wdt. 1459b3e8f2c1SFlorian Fainelli 1460b7e04f8cSWim Van Sebroeckconfig 60XX_WDT 1461b7e04f8cSWim Van Sebroeck tristate "SBC-60XX Watchdog Timer" 1462f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1463b7e04f8cSWim Van Sebroeck help 1464b7e04f8cSWim Van Sebroeck This driver can be used with the watchdog timer found on some 1465b7e04f8cSWim Van Sebroeck single board computers, namely the 6010 PII based computer. 1466b7e04f8cSWim Van Sebroeck It may well work with other cards. It reads port 0x443 to enable 1467b7e04f8cSWim Van Sebroeck and re-set the watchdog timer, and reads port 0x45 to disable 1468b7e04f8cSWim Van Sebroeck the watchdog. If you have a card that behave in similar ways, 1469b7e04f8cSWim Van Sebroeck you can probably make this driver work with your card as well. 1470b7e04f8cSWim Van Sebroeck 1471b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1472b7e04f8cSWim Van Sebroeck it as a module. The module will be called sbc60xxwdt. 1473b7e04f8cSWim Van Sebroeck 1474b7e04f8cSWim Van Sebroeckconfig SBC8360_WDT 1475b7e04f8cSWim Van Sebroeck tristate "SBC8360 Watchdog Timer" 14761e8c8a5bSJean Delvare depends on X86_32 1477a7f7f624SMasahiro Yamada help 1478b7e04f8cSWim Van Sebroeck 1479b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the SBC8360 Single 1480b7e04f8cSWim Van Sebroeck Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1481b7e04f8cSWim Van Sebroeck 1482b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 14834737f097SPavel Machek module will be called sbc8360. 1484b7e04f8cSWim Van Sebroeck 1485b7e04f8cSWim Van Sebroeck Most people will say N. 1486b7e04f8cSWim Van Sebroeck 1487c4c28335SGilles Giganconfig SBC7240_WDT 1488c4c28335SGilles Gigan tristate "SBC Nano 7240 Watchdog Timer" 14893369465eSAl Viro depends on X86_32 && !UML 1490a7f7f624SMasahiro Yamada help 1491c4c28335SGilles Gigan This is the driver for the hardware watchdog found on the IEI 1492c4c28335SGilles Gigan single board computers EPIC Nano 7240 (and likely others). This 1493c4c28335SGilles Gigan watchdog simply watches your kernel to make sure it doesn't freeze, 1494c4c28335SGilles Gigan and if it does, it reboots your computer after a certain amount of 1495c4c28335SGilles Gigan time. 1496c4c28335SGilles Gigan 1497c4c28335SGilles Gigan To compile this driver as a module, choose M here: the 1498c4c28335SGilles Gigan module will be called sbc7240_wdt. 1499c4c28335SGilles Gigan 1500b7e04f8cSWim Van Sebroeckconfig CPU5_WDT 1501b7e04f8cSWim Van Sebroeck tristate "SMA CPU5 Watchdog" 1502f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1503a7f7f624SMasahiro Yamada help 1504b7e04f8cSWim Van Sebroeck TBD. 1505b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1506b7e04f8cSWim Van Sebroeck module will be called cpu5wdt. 1507b7e04f8cSWim Van Sebroeck 15084c6e63bdSWim Van Sebroeckconfig SMSC_SCH311X_WDT 15094c6e63bdSWim Van Sebroeck tristate "SMSC SCH311X Watchdog Timer" 1510f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1511a7f7f624SMasahiro Yamada help 15124c6e63bdSWim Van Sebroeck This is the driver for the hardware watchdog timer on the 15134c6e63bdSWim Van Sebroeck SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 15144c6e63bdSWim Van Sebroeck (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 15154c6e63bdSWim Van Sebroeck serial ports). 15164c6e63bdSWim Van Sebroeck 15174c6e63bdSWim Van Sebroeck To compile this driver as a module, choose M here: the 15184c6e63bdSWim Van Sebroeck module will be called sch311x_wdt. 15194c6e63bdSWim Van Sebroeck 1520b7e04f8cSWim Van Sebroeckconfig SMSC37B787_WDT 1521b7e04f8cSWim Van Sebroeck tristate "Winbond SMsC37B787 Watchdog Timer" 1522f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1523a7f7f624SMasahiro Yamada help 1524b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog component on the 1525b7e04f8cSWim Van Sebroeck Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1526b7e04f8cSWim Van Sebroeck from Vision Systems and maybe others. 1527b7e04f8cSWim Van Sebroeck 1528b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1529b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1530b7e04f8cSWim Van Sebroeck amount of time. 1531b7e04f8cSWim Van Sebroeck 1532b7e04f8cSWim Van Sebroeck Usually a userspace daemon will notify the kernel WDT driver that 1533b7e04f8cSWim Van Sebroeck userspace is still alive, at regular intervals. 1534b7e04f8cSWim Van Sebroeck 1535b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1536b7e04f8cSWim Van Sebroeck module will be called smsc37b787_wdt. 1537b7e04f8cSWim Van Sebroeck 1538b7e04f8cSWim Van Sebroeck Most people will say N. 1539b7e04f8cSWim Van Sebroeck 1540e3c21e08SAndrew Lunnconfig TQMX86_WDT 1541e3c21e08SAndrew Lunn tristate "TQ-Systems TQMX86 Watchdog Timer" 1542f1a43aadSRob Herring depends on X86 || COMPILE_TEST 15439a6c274aSYueHaibing select WATCHDOG_CORE 1544e3c21e08SAndrew Lunn help 1545e3c21e08SAndrew Lunn This is the driver for the hardware watchdog timer in the TQMX86 IO 1546e3c21e08SAndrew Lunn controller found on some of their ComExpress Modules. 1547e3c21e08SAndrew Lunn 1548e3c21e08SAndrew Lunn To compile this driver as a module, choose M here; the module 1549e3c21e08SAndrew Lunn will be called tqmx86_wdt. 1550e3c21e08SAndrew Lunn 1551e3c21e08SAndrew Lunn Most people will say N. 1552e3c21e08SAndrew Lunn 1553dc3c56b7SMarc Vertesconfig VIA_WDT 1554dc3c56b7SMarc Vertes tristate "VIA Watchdog Timer" 1555f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1556dc3c56b7SMarc Vertes select WATCHDOG_CORE 1557a7f7f624SMasahiro Yamada help 1558dc3c56b7SMarc Vertes This is the driver for the hardware watchdog timer on VIA 1559dc3c56b7SMarc Vertes southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1560dc3c56b7SMarc Vertes 1561dc3c56b7SMarc Vertes To compile this driver as a module, choose M here; the module 1562dc3c56b7SMarc Vertes will be called via_wdt. 1563dc3c56b7SMarc Vertes 1564dc3c56b7SMarc Vertes Most people will say N. 1565dc3c56b7SMarc Vertes 1566b7e04f8cSWim Van Sebroeckconfig W83627HF_WDT 1567962c04f5SGuenter Roeck tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1568f1a43aadSRob Herring depends on X86 || COMPILE_TEST 156930a83695SGuenter Roeck select WATCHDOG_CORE 1570a7f7f624SMasahiro Yamada help 1571962c04f5SGuenter Roeck This is the driver for the hardware watchdog on the following 1572962c04f5SGuenter Roeck Super I/O chips. 1573962c04f5SGuenter Roeck W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1574962c04f5SGuenter Roeck W83637HF 1575962c04f5SGuenter Roeck W83667HG/HG-B 1576962c04f5SGuenter Roeck W83687THF 15777b6d0b6aSGuenter Roeck W83697HF 15787b6d0b6aSGuenter Roeck W83697UG 1579962c04f5SGuenter Roeck NCT6775 1580962c04f5SGuenter Roeck NCT6776 1581962c04f5SGuenter Roeck NCT6779 1582a77841d5SGuenter Roeck NCT6791 1583a77841d5SGuenter Roeck NCT6792 158433f74b89SRob Kramer NCT6102D/04D/06D 1585e11cfc69SSrikanth Krishnakar NCT6116D 1586962c04f5SGuenter Roeck 15879c67bea4SBenny Loenstrup Ammitzboell This watchdog simply watches your kernel to make sure it doesn't 15889c67bea4SBenny Loenstrup Ammitzboell freeze, and if it does, it reboots your computer after a certain 15899c67bea4SBenny Loenstrup Ammitzboell amount of time. 1590b7e04f8cSWim Van Sebroeck 1591b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1592b7e04f8cSWim Van Sebroeck module will be called w83627hf_wdt. 1593b7e04f8cSWim Van Sebroeck 1594b7e04f8cSWim Van Sebroeck Most people will say N. 1595b7e04f8cSWim Van Sebroeck 1596b7e04f8cSWim Van Sebroeckconfig W83877F_WDT 1597b7e04f8cSWim Van Sebroeck tristate "W83877F (EMACS) Watchdog Timer" 1598f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1599a7f7f624SMasahiro Yamada help 1600b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83877F chipset 1601b7e04f8cSWim Van Sebroeck as used in EMACS PC-104 motherboards (and likely others). This 1602b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1603b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1604b7e04f8cSWim Van Sebroeck time. 1605b7e04f8cSWim Van Sebroeck 1606b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1607b7e04f8cSWim Van Sebroeck module will be called w83877f_wdt. 1608b7e04f8cSWim Van Sebroeck 1609b7e04f8cSWim Van Sebroeck Most people will say N. 1610b7e04f8cSWim Van Sebroeck 1611b7e04f8cSWim Van Sebroeckconfig W83977F_WDT 1612b7e04f8cSWim Van Sebroeck tristate "W83977F (PCM-5335) Watchdog Timer" 1613f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1614a7f7f624SMasahiro Yamada help 1615b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83977F I/O chip 1616b7e04f8cSWim Van Sebroeck as used in AAEON's PCM-5335 SBC (and likely others). This 1617b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1618b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1619b7e04f8cSWim Van Sebroeck time. 1620b7e04f8cSWim Van Sebroeck 1621b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1622b7e04f8cSWim Van Sebroeck module will be called w83977f_wdt. 1623b7e04f8cSWim Van Sebroeck 1624b7e04f8cSWim Van Sebroeckconfig MACHZ_WDT 1625b7e04f8cSWim Van Sebroeck tristate "ZF MachZ Watchdog" 1626f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1627a7f7f624SMasahiro Yamada help 1628b7e04f8cSWim Van Sebroeck If you are using a ZF Micro MachZ processor, say Y here, otherwise 1629b7e04f8cSWim Van Sebroeck N. This is the driver for the watchdog timer built-in on that 1630b7e04f8cSWim Van Sebroeck processor using ZF-Logic interface. This watchdog simply watches 1631b7e04f8cSWim Van Sebroeck your kernel to make sure it doesn't freeze, and if it does, it 1632b7e04f8cSWim Van Sebroeck reboots your computer after a certain amount of time. 1633b7e04f8cSWim Van Sebroeck 1634b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1635b7e04f8cSWim Van Sebroeck module will be called machzwd. 1636b7e04f8cSWim Van Sebroeck 1637b7e04f8cSWim Van Sebroeckconfig SBC_EPX_C3_WATCHDOG 1638b7e04f8cSWim Van Sebroeck tristate "Winsystems SBC EPX-C3 watchdog" 1639f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1640a7f7f624SMasahiro Yamada help 1641b7e04f8cSWim Van Sebroeck This is the driver for the built-in watchdog timer on the EPX-C3 1642b7e04f8cSWim Van Sebroeck Single-board computer made by Winsystems, Inc. 1643b7e04f8cSWim Van Sebroeck 1644b7e04f8cSWim Van Sebroeck *Note*: This hardware watchdog is not probeable and thus there 1645b7e04f8cSWim Van Sebroeck is no way to know if writing to its IO address will corrupt 1646b7e04f8cSWim Van Sebroeck your system or have any real effect. The only way to be sure 1647b7e04f8cSWim Van Sebroeck that this driver does what you want is to make sure you 1648b7e04f8cSWim Van Sebroeck are running it on an EPX-C3 from Winsystems with the watchdog 1649b7e04f8cSWim Van Sebroeck timer at IO address 0x1ee and 0x1ef. It will write to both those 1650b7e04f8cSWim Van Sebroeck IO ports. Basically, the assumption is made that if you compile 1651b7e04f8cSWim Van Sebroeck this driver into your kernel and/or load it as a module, that you 1652b7e04f8cSWim Van Sebroeck know what you are doing and that you are in fact running on an 1653b7e04f8cSWim Van Sebroeck EPX-C3 board! 1654b7e04f8cSWim Van Sebroeck 1655b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1656b7e04f8cSWim Van Sebroeck module will be called sbc_epx_c3. 1657b7e04f8cSWim Van Sebroeck 1658222818c3STomas Winklerconfig INTEL_MEI_WDT 1659222818c3STomas Winkler tristate "Intel MEI iAMT Watchdog" 1660222818c3STomas Winkler depends on INTEL_MEI && X86 1661222818c3STomas Winkler select WATCHDOG_CORE 1662a7f7f624SMasahiro Yamada help 1663222818c3STomas Winkler A device driver for the Intel MEI iAMT watchdog. 1664222818c3STomas Winkler 1665222818c3STomas Winkler The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1666222818c3STomas Winkler Whenever the OS hangs or crashes, iAMT will send an event 1667222818c3STomas Winkler to any subscriber to this event. The watchdog doesn't reset the 1668222818c3STomas Winkler the platform. 1669222818c3STomas Winkler 1670222818c3STomas Winkler To compile this driver as a module, choose M here: 1671222818c3STomas Winkler the module will be called mei_wdt. 1672222818c3STomas Winkler 167370f39976SKyle Roeschleyconfig NI903X_WDT 167470f39976SKyle Roeschley tristate "NI 903x/913x Watchdog" 167570f39976SKyle Roeschley depends on X86 && ACPI 167670f39976SKyle Roeschley select WATCHDOG_CORE 1677a7f7f624SMasahiro Yamada help 167870f39976SKyle Roeschley This is the driver for the watchdog timer on the National Instruments 167970f39976SKyle Roeschley 903x/913x real-time controllers. 168070f39976SKyle Roeschley 168170f39976SKyle Roeschley To compile this driver as a module, choose M here: the module will be 168270f39976SKyle Roeschley called ni903x_wdt. 168370f39976SKyle Roeschley 168498078ca3SHui Chun Ongconfig NIC7018_WDT 168598078ca3SHui Chun Ong tristate "NIC7018 Watchdog" 168698078ca3SHui Chun Ong depends on X86 && ACPI 168798078ca3SHui Chun Ong select WATCHDOG_CORE 1688a7f7f624SMasahiro Yamada help 168998078ca3SHui Chun Ong Support for National Instruments NIC7018 Watchdog. 169098078ca3SHui Chun Ong 169198078ca3SHui Chun Ong To compile this driver as a module, choose M here: the module will be 169298078ca3SHui Chun Ong called nic7018_wdt. 169398078ca3SHui Chun Ong 16942ebd32ceSHenning Schildconfig SIEMENS_SIMATIC_IPC_WDT 16952ebd32ceSHenning Schild tristate "Siemens Simatic IPC Watchdog" 1696f0ced885SArnd Bergmann depends on SIEMENS_SIMATIC_IPC && PCI 16973fce0640SHenning Schild default y 16982ebd32ceSHenning Schild select WATCHDOG_CORE 169939ab0bafSAndy Shevchenko select P2SB if X86 17002ebd32ceSHenning Schild help 17012ebd32ceSHenning Schild This driver adds support for several watchdogs found in Industrial 17022ebd32ceSHenning Schild PCs from Siemens. 17032ebd32ceSHenning Schild 17042ebd32ceSHenning Schild To compile this driver as a module, choose M here: the module will be 17052ebd32ceSHenning Schild called simatic-ipc-wdt. 17062ebd32ceSHenning Schild 1707b7e04f8cSWim Van Sebroeck# M68K Architecture 1708b7e04f8cSWim Van Sebroeck 17094157a04dSPhilippe De Muyterconfig M54xx_WATCHDOG 17104157a04dSPhilippe De Muyter tristate "MCF54xx watchdog support" 171188cce427SPhilippe De Muyter depends on M548x 171288cce427SPhilippe De Muyter help 171388cce427SPhilippe De Muyter To compile this driver as a module, choose M here: the 17144157a04dSPhilippe De Muyter module will be called m54xx_wdt. 1715b7e04f8cSWim Van Sebroeck 1716e9659e69SAlejandro Cabrera# MicroBlaze Architecture 1717e9659e69SAlejandro Cabrera 1718b7e04f8cSWim Van Sebroeck# MIPS Architecture 1719b7e04f8cSWim Van Sebroeck 1720f8394f61SGabor Juhosconfig ATH79_WDT 1721f8394f61SGabor Juhos tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1722da2a68b3SGuenter Roeck depends on ATH79 || (ARM && COMPILE_TEST) 1723f8394f61SGabor Juhos help 1724f8394f61SGabor Juhos Hardware driver for the built-in watchdog timer on the Atheros 1725f8394f61SGabor Juhos AR71XX/AR724X/AR913X SoCs. 1726f8394f61SGabor Juhos 172790074dceSmatthieu castetconfig BCM47XX_WDT 172890074dceSmatthieu castet tristate "Broadcom BCM47xx Watchdog Timer" 1729da2a68b3SGuenter Roeck depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 17305434a04dSHauke Mehrtens select WATCHDOG_CORE 173190074dceSmatthieu castet help 17326b2aac42SMasanari Iida Hardware driver for the Broadcom BCM47xx Watchdog Timer. 173390074dceSmatthieu castet 173403ec5856SFlorian Fainelliconfig RC32434_WDT 173503ec5856SFlorian Fainelli tristate "IDT RC32434 SoC Watchdog Timer" 173603ec5856SFlorian Fainelli depends on MIKROTIK_RB532 173703ec5856SFlorian Fainelli help 173803ec5856SFlorian Fainelli Hardware driver for the IDT RC32434 SoC built-in 173903ec5856SFlorian Fainelli watchdog timer. 174003ec5856SFlorian Fainelli 174103ec5856SFlorian Fainelli To compile this driver as a module, choose M here: the 174203ec5856SFlorian Fainelli module will be called rc32434_wdt. 174303ec5856SFlorian Fainelli 1744b7e04f8cSWim Van Sebroeckconfig INDYDOG 1745b7e04f8cSWim Van Sebroeck tristate "Indy/I2 Hardware Watchdog" 174624f8d233SMatt Redfearn depends on SGI_HAS_INDYDOG 1747b7e04f8cSWim Van Sebroeck help 1748b7e04f8cSWim Van Sebroeck Hardware driver for the Indy's/I2's watchdog. This is a 1749b7e04f8cSWim Van Sebroeck watchdog timer that will reboot the machine after a 60 second 1750b7e04f8cSWim Van Sebroeck timer expired and no process has written to /dev/watchdog during 1751b7e04f8cSWim Van Sebroeck that time. 1752b7e04f8cSWim Van Sebroeck 1753f865c352SPaul Cercueilconfig JZ4740_WDT 1754f865c352SPaul Cercueil tristate "Ingenic jz4740 SoC hardware watchdog" 1755f1a43aadSRob Herring depends on MIPS || COMPILE_TEST 17561d9c3074SPaul Cercueil depends on COMMON_CLK 175785f6df14SAxel Lin select WATCHDOG_CORE 17586d532143SPaul Cercueil select MFD_SYSCON 1759f865c352SPaul Cercueil help 1760f865c352SPaul Cercueil Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1761f865c352SPaul Cercueil 1762b7e04f8cSWim Van Sebroeckconfig WDT_MTX1 1763b7e04f8cSWim Van Sebroeck tristate "MTX-1 Hardware Watchdog" 1764da2a68b3SGuenter Roeck depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1765b7e04f8cSWim Van Sebroeck help 1766b7e04f8cSWim Van Sebroeck Hardware driver for the MTX-1 boards. This is a watchdog timer that 1767b7e04f8cSWim Van Sebroeck will reboot the machine after a 100 seconds timer expired. 1768b7e04f8cSWim Van Sebroeck 176975c752e6SAndrew Sharpconfig SIBYTE_WDOG 177075c752e6SAndrew Sharp tristate "Sibyte SoC hardware watchdog" 1771c388a189SJackie Liu depends on CPU_SB1 177275c752e6SAndrew Sharp help 177375c752e6SAndrew Sharp Watchdog driver for the built in watchdog hardware in Sibyte 177475c752e6SAndrew Sharp SoC processors. There are apparently two watchdog timers 177575c752e6SAndrew Sharp on such processors; this driver supports only the first one, 177675c752e6SAndrew Sharp because currently Linux only supports exporting one watchdog 177775c752e6SAndrew Sharp to userspace. 177875c752e6SAndrew Sharp 177975c752e6SAndrew Sharp To compile this driver as a loadable module, choose M here. 178075c752e6SAndrew Sharp The module will be called sb_wdog. 178175c752e6SAndrew Sharp 17826f702fceSAtsushi Nemotoconfig TXX9_WDT 17836f702fceSAtsushi Nemoto tristate "Toshiba TXx9 Watchdog Timer" 1784455481fcSThomas Bogendoerfer depends on CPU_TX49XX || (MIPS && COMPILE_TEST) 1785d6245842SAxel Lin select WATCHDOG_CORE 17866f702fceSAtsushi Nemoto help 17876f702fceSAtsushi Nemoto Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 17886f702fceSAtsushi Nemoto 17894c076fb4SDavid Daneyconfig OCTEON_WDT 17904c076fb4SDavid Daney tristate "Cavium OCTEON SOC family Watchdog Timer" 17919ddebc46SDavid Daney depends on CAVIUM_OCTEON_SOC 17924c076fb4SDavid Daney default y 17933d588c93SAaro Koskinen select WATCHDOG_CORE 17944c076fb4SDavid Daney select EXPORT_UASM if OCTEON_WDT = m 17954c076fb4SDavid Daney help 17964c076fb4SDavid Daney Hardware driver for OCTEON's on chip watchdog timer. 17974c076fb4SDavid Daney Enables the watchdog for all cores running Linux. It 17984c076fb4SDavid Daney installs a NMI handler and pokes the watchdog based on an 17994c076fb4SDavid Daney interrupt. On first expiration of the watchdog, the 18004c076fb4SDavid Daney interrupt handler pokes it. The second expiration causes an 18014c076fb4SDavid Daney NMI that prints a message. The third expiration causes a 18024c076fb4SDavid Daney global soft reset. 18034c076fb4SDavid Daney 18044c076fb4SDavid Daney When userspace has /dev/watchdog open, no poking is done 18054c076fb4SDavid Daney from the first interrupt, it is then only poked when the 18064c076fb4SDavid Daney device is written. 18074c076fb4SDavid Daney 1808ef9e7fe2SBharat Bhushanconfig MARVELL_GTI_WDT 1809ef9e7fe2SBharat Bhushan tristate "Marvell GTI Watchdog driver" 1810ef9e7fe2SBharat Bhushan depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT) 1811ef9e7fe2SBharat Bhushan default y 1812ef9e7fe2SBharat Bhushan select WATCHDOG_CORE 1813ef9e7fe2SBharat Bhushan help 1814ef9e7fe2SBharat Bhushan Marvell GTI hardware supports watchdog timer. First timeout 1815ef9e7fe2SBharat Bhushan works as watchdog pretimeout and installed interrupt handler 1816ef9e7fe2SBharat Bhushan will be called on first timeout. Hardware can generate interrupt 1817ef9e7fe2SBharat Bhushan to SCP on second timeout but it is not enabled, so second 1818ef9e7fe2SBharat Bhushan timeout is ignored. If device poke does not happen then system 1819ef9e7fe2SBharat Bhushan will reboot on third timeout. 1820ef9e7fe2SBharat Bhushan 1821938d0a84SLubomir Rintelconfig BCM2835_WDT 1822938d0a84SLubomir Rintel tristate "Broadcom BCM2835 hardware watchdog" 18232672b7e0SArnd Bergmann depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1824938d0a84SLubomir Rintel select WATCHDOG_CORE 1825938d0a84SLubomir Rintel help 1826938d0a84SLubomir Rintel Watchdog driver for the built in watchdog hardware in Broadcom 1827938d0a84SLubomir Rintel BCM2835 SoC. 1828938d0a84SLubomir Rintel 1829938d0a84SLubomir Rintel To compile this driver as a loadable module, choose M here. 1830938d0a84SLubomir Rintel The module will be called bcm2835_wdt. 1831938d0a84SLubomir Rintel 18326adb730dSMarkus Mayerconfig BCM_KONA_WDT 18336adb730dSMarkus Mayer tristate "BCM Kona Watchdog" 1834da2a68b3SGuenter Roeck depends on ARCH_BCM_MOBILE || COMPILE_TEST 18356adb730dSMarkus Mayer select WATCHDOG_CORE 18366adb730dSMarkus Mayer help 18376adb730dSMarkus Mayer Support for the watchdog timer on the following Broadcom BCM281xx 18386adb730dSMarkus Mayer family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 18396adb730dSMarkus Mayer BCM28155 variants. 18406adb730dSMarkus Mayer 18416adb730dSMarkus Mayer Say 'Y' or 'M' here to enable the driver. The module will be called 18426adb730dSMarkus Mayer bcm_kona_wdt. 18436adb730dSMarkus Mayer 18446e2ac20eSMarkus Mayerconfig BCM_KONA_WDT_DEBUG 18456e2ac20eSMarkus Mayer bool "DEBUGFS support for BCM Kona Watchdog" 1846f1a43aadSRob Herring depends on BCM_KONA_WDT || COMPILE_TEST 18476e2ac20eSMarkus Mayer help 18486e2ac20eSMarkus Mayer If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 18496e2ac20eSMarkus Mayer access to the driver's internal data structures as well as watchdog 18506e2ac20eSMarkus Mayer timer hardware registres. 18516e2ac20eSMarkus Mayer 18526e2ac20eSMarkus Mayer If in doubt, say 'N'. 18536e2ac20eSMarkus Mayer 18547a3629feSJustin Chenconfig BCM7038_WDT 1855bc0bf9e9SFlorian Fainelli tristate "BCM63xx/BCM7038 Watchdog" 18567a3629feSJustin Chen select WATCHDOG_CORE 1857d42d6108SRichard Weinberger depends on HAS_IOMEM 18587bb49d77SWilliam Zhang depends on ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 18597a3629feSJustin Chen help 1860972ec351SJean Delvare Watchdog driver for the built-in hardware in Broadcom 7038 and 1861972ec351SJean Delvare later SoCs used in set-top boxes. BCM7038 was made public 1862972ec351SJean Delvare during the 2004 CES, and since then, many Broadcom chips use this 1863bc0bf9e9SFlorian Fainelli watchdog block, including some cable modem chips and DSL (63xx) 1864bc0bf9e9SFlorian Fainelli chips. 18657a3629feSJustin Chen 186693937669SNaidu Tellapaticonfig IMGPDC_WDT 186793937669SNaidu Tellapati tristate "Imagination Technologies PDC Watchdog Timer" 186893937669SNaidu Tellapati depends on HAS_IOMEM 1869b9b29090SJames Hogan depends on MIPS || COMPILE_TEST 1870df1a3e64SArnd Bergmann select WATCHDOG_CORE 187193937669SNaidu Tellapati help 187293937669SNaidu Tellapati Driver for Imagination Technologies PowerDown Controller 187393937669SNaidu Tellapati Watchdog Timer. 187493937669SNaidu Tellapati 187593937669SNaidu Tellapati To compile this driver as a loadable module, choose M here. 187693937669SNaidu Tellapati The module will be called imgpdc_wdt. 187793937669SNaidu Tellapati 18782f58b8d0SJohn Crispinconfig LANTIQ_WDT 18792f58b8d0SJohn Crispin tristate "Lantiq SoC watchdog" 18802f58b8d0SJohn Crispin depends on LANTIQ 1881dcd7e04eSHauke Mehrtens select WATCHDOG_CORE 18822f58b8d0SJohn Crispin help 18832f58b8d0SJohn Crispin Hardware driver for the Lantiq SoC Watchdog Timer. 18842f58b8d0SJohn Crispin 18851d8565eeSYang Lingconfig LOONGSON1_WDT 18861d8565eeSYang Ling tristate "Loongson1 SoC hardware watchdog" 1887f1a43aadSRob Herring depends on MACH_LOONGSON32 || COMPILE_TEST 18881d8565eeSYang Ling select WATCHDOG_CORE 18891d8565eeSYang Ling help 18901d8565eeSYang Ling Hardware driver for the Loongson1 SoC Watchdog Timer. 18911d8565eeSYang Ling 1892473cf939SJohn Crispinconfig RALINK_WDT 1893473cf939SJohn Crispin tristate "Ralink SoC watchdog" 1894473cf939SJohn Crispin select WATCHDOG_CORE 1895473cf939SJohn Crispin depends on RALINK 1896473cf939SJohn Crispin help 1897473cf939SJohn Crispin Hardware driver for the Ralink SoC Watchdog Timer. 1898473cf939SJohn Crispin 18996b47441bSNick Hawkinsconfig GXP_WATCHDOG 19006b47441bSNick Hawkins tristate "HPE GXP watchdog support" 1901f1a43aadSRob Herring depends on ARCH_HPE_GXP || COMPILE_TEST 19026b47441bSNick Hawkins select WATCHDOG_CORE 19036b47441bSNick Hawkins help 19046b47441bSNick Hawkins Say Y here to include support for the watchdog timer 19056b47441bSNick Hawkins in HPE GXP SoCs. 19066b47441bSNick Hawkins 19076b47441bSNick Hawkins To compile this driver as a module, choose M here. 19086b47441bSNick Hawkins The module will be called gxp-wdt. 19096b47441bSNick Hawkins 1910ab3f09feSJohn Crispinconfig MT7621_WDT 1911ab3f09feSJohn Crispin tristate "Mediatek SoC watchdog" 1912ab3f09feSJohn Crispin select WATCHDOG_CORE 1913ff8ec4acSSergio Paracuellos select REGMAP_MMIO 1914ff8ec4acSSergio Paracuellos select MFD_SYSCON 1915ff8ec4acSSergio Paracuellos depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST 1916ab3f09feSJohn Crispin help 1917ab3f09feSJohn Crispin Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1918ab3f09feSJohn Crispin 19198f91fc56SJoshua Hendersonconfig PIC32_WDT 19208f91fc56SJoshua Henderson tristate "Microchip PIC32 hardware watchdog" 19218f91fc56SJoshua Henderson select WATCHDOG_CORE 1922da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 19238f91fc56SJoshua Henderson help 19248f91fc56SJoshua Henderson Watchdog driver for the built in watchdog hardware in a PIC32. 19258f91fc56SJoshua Henderson 19268f91fc56SJoshua Henderson Configuration bits must be set appropriately for the watchdog to be 19278f91fc56SJoshua Henderson controlled by this driver. 19288f91fc56SJoshua Henderson 19298f91fc56SJoshua Henderson To compile this driver as a loadable module, choose M here. 19308f91fc56SJoshua Henderson The module will be called pic32-wdt. 19318f91fc56SJoshua Henderson 1932b0d8a082SPurna Chandra Mandalconfig PIC32_DMT 1933b0d8a082SPurna Chandra Mandal tristate "Microchip PIC32 Deadman Timer" 1934b0d8a082SPurna Chandra Mandal select WATCHDOG_CORE 1935da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1936b0d8a082SPurna Chandra Mandal help 193701028829SRandy Dunlap Watchdog driver for PIC32 instruction fetch counting timer. This 193801028829SRandy Dunlap specific timer is typically be used in mission critical and safety 193901028829SRandy Dunlap critical applications, where any single failure of the software 194001028829SRandy Dunlap functionality and sequencing must be detected. 1941b0d8a082SPurna Chandra Mandal 1942b0d8a082SPurna Chandra Mandal To compile this driver as a loadable module, choose M here. 1943b0d8a082SPurna Chandra Mandal The module will be called pic32-dmt. 1944b0d8a082SPurna Chandra Mandal 1945b7e04f8cSWim Van Sebroeck# PARISC Architecture 1946b7e04f8cSWim Van Sebroeck 1947b7e04f8cSWim Van Sebroeck# POWERPC Architecture 1948b7e04f8cSWim Van Sebroeck 19493268b561SMartyn Welchconfig GEF_WDT 1950cda61c94SMartyn Welch tristate "GE Watchdog Timer" 1951330bbf48SMartyn Welch depends on GE_FPGA 1952a7f7f624SMasahiro Yamada help 1953cda61c94SMartyn Welch Watchdog timer found in a number of GE single board computers. 19543268b561SMartyn Welch 1955b7e04f8cSWim Van Sebroeckconfig MPC5200_WDT 19566d535599SAlbrecht Dreß bool "MPC52xx Watchdog Timer" 1957da2a68b3SGuenter Roeck depends on PPC_MPC52xx || COMPILE_TEST 19586d535599SAlbrecht Dreß help 19596d535599SAlbrecht Dreß Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1960b7e04f8cSWim Van Sebroeck 196128acd02fSAnton Vorontsovconfig 8xxx_WDT 196228acd02fSAnton Vorontsov tristate "MPC8xxx Platform Watchdog Timer" 1963f8c33e97SUwe Kleine-König depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1964d5cfaf0aSChristophe Leroy select WATCHDOG_CORE 196528acd02fSAnton Vorontsov help 196628acd02fSAnton Vorontsov This driver is for a SoC level watchdog that exists on some 196728acd02fSAnton Vorontsov Freescale PowerPC processors. So far this driver supports: 19680d7b1014SAnton Vorontsov - MPC8xx watchdogs 196928acd02fSAnton Vorontsov - MPC83xx watchdogs 197028acd02fSAnton Vorontsov - MPC86xx watchdogs 197128acd02fSAnton Vorontsov 197228acd02fSAnton Vorontsov For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1973b7e04f8cSWim Van Sebroeck 1974618efba9SSean MacLennanconfig PIKA_WDT 1975618efba9SSean MacLennan tristate "PIKA FPGA Watchdog" 1976da2a68b3SGuenter Roeck depends on WARP || (PPC64 && COMPILE_TEST) 1977618efba9SSean MacLennan default y 1978618efba9SSean MacLennan help 1979618efba9SSean MacLennan This enables the watchdog in the PIKA FPGA. Currently used on 1980618efba9SSean MacLennan the Warp platform. 1981618efba9SSean MacLennan 1982b7e04f8cSWim Van Sebroeckconfig BOOKE_WDT 1983fbdd7144STimur Tabi tristate "PowerPC Book-E Watchdog Timer" 1984b7e04f8cSWim Van Sebroeck depends on BOOKE || 4xx 198552e5cc4eSGuenter Roeck select WATCHDOG_CORE 1986a7f7f624SMasahiro Yamada help 1987fbdd7144STimur Tabi Watchdog driver for PowerPC Book-E chips, such as the Freescale 1988fbdd7144STimur Tabi MPC85xx SOCs and the IBM PowerPC 440. 1989fbdd7144STimur Tabi 199074665686SMauro Carvalho Chehab Please see Documentation/watchdog/watchdog-api.rst for 1991b7e04f8cSWim Van Sebroeck more information. 1992b7e04f8cSWim Van Sebroeck 1993e0dc09ffSTimur Tabiconfig BOOKE_WDT_DEFAULT_TIMEOUT 1994e0dc09ffSTimur Tabi int "PowerPC Book-E Watchdog Timer Default Timeout" 1995e0dc09ffSTimur Tabi depends on BOOKE_WDT 1996ec65560aSChristophe Leroy default 38 if PPC_E500 1997ec65560aSChristophe Leroy range 0 63 if PPC_E500 1998ec65560aSChristophe Leroy default 3 if !PPC_E500 1999ec65560aSChristophe Leroy range 0 3 if !PPC_E500 2000e0dc09ffSTimur Tabi help 2001e0dc09ffSTimur Tabi Select the default watchdog timer period to be used by the PowerPC 2002e0dc09ffSTimur Tabi Book-E watchdog driver. A watchdog "event" occurs when the bit 2003e0dc09ffSTimur Tabi position represented by this number transitions from zero to one. 2004e0dc09ffSTimur Tabi 2005e0dc09ffSTimur Tabi For Freescale Book-E processors, this is a number between 0 and 63. 2006e0dc09ffSTimur Tabi For other Book-E processors, this is a number between 0 and 3. 2007e0dc09ffSTimur Tabi 2008e1d1d68aSMasanari Iida The value can be overridden by the wdt_period command-line parameter. 2009e0dc09ffSTimur Tabi 201026c57ef1SJohannes Thumshirnconfig MEN_A21_WDT 201126c57ef1SJohannes Thumshirn tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 201226c57ef1SJohannes Thumshirn select WATCHDOG_CORE 201321a926a3SGeert Uytterhoeven depends on GPIOLIB || COMPILE_TEST 201426c57ef1SJohannes Thumshirn help 201526c57ef1SJohannes Thumshirn Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 201626c57ef1SJohannes Thumshirn 201726c57ef1SJohannes Thumshirn The driver can also be built as a module. If so, the module will be 201826c57ef1SJohannes Thumshirn called mena21_wdt. 201926c57ef1SJohannes Thumshirn 202026c57ef1SJohannes Thumshirn If unsure select N here. 202126c57ef1SJohannes Thumshirn 2022b7e04f8cSWim Van Sebroeck# PPC64 Architecture 2023b7e04f8cSWim Van Sebroeck 202469472ffaSScott Chelohaconfig PSERIES_WDT 202569472ffaSScott Cheloha tristate "POWER Architecture Platform Watchdog Timer" 202669472ffaSScott Cheloha depends on PPC_PSERIES 202769472ffaSScott Cheloha select WATCHDOG_CORE 202869472ffaSScott Cheloha help 202969472ffaSScott Cheloha Driver for virtual watchdog timers provided by PAPR 203069472ffaSScott Cheloha hypervisors (e.g. PowerVM, KVM). 203169472ffaSScott Cheloha 2032b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RTAS 2033b7e04f8cSWim Van Sebroeck tristate "RTAS watchdog" 203442bed042SMurilo Opsfelder Araujo depends on PPC_RTAS 2035b7e04f8cSWim Van Sebroeck help 2036b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the RTAS watchdog. 2037b7e04f8cSWim Van Sebroeck 2038b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2039b7e04f8cSWim Van Sebroeck will be called wdrtas. 2040b7e04f8cSWim Van Sebroeck 2041db728ea9SXingyu Wu# RISC-V Architecture 2042db728ea9SXingyu Wu 2043db728ea9SXingyu Wuconfig STARFIVE_WATCHDOG 2044db728ea9SXingyu Wu tristate "StarFive Watchdog support" 2045db728ea9SXingyu Wu depends on ARCH_STARFIVE || COMPILE_TEST 2046db728ea9SXingyu Wu select WATCHDOG_CORE 2047db728ea9SXingyu Wu default ARCH_STARFIVE 2048db728ea9SXingyu Wu help 2049db728ea9SXingyu Wu Say Y here to support the watchdog of StarFive JH7100 and JH7110 2050db728ea9SXingyu Wu SoC. This driver can also be built as a module if choose M. 2051db728ea9SXingyu Wu 2052b7e04f8cSWim Van Sebroeck# S390 Architecture 2053b7e04f8cSWim Van Sebroeck 2054f7a94db4SPhilipp Hachtmannconfig DIAG288_WATCHDOG 2055f7a94db4SPhilipp Hachtmann tristate "System z diag288 Watchdog" 2056b7e04f8cSWim Van Sebroeck depends on S390 2057f7a94db4SPhilipp Hachtmann select WATCHDOG_CORE 2058b7e04f8cSWim Van Sebroeck help 2059b7e04f8cSWim Van Sebroeck IBM s/390 and zSeries machines running under z/VM 5.1 or later 2060b7e04f8cSWim Van Sebroeck provide a virtual watchdog timer to their guest that cause a 2061b7e04f8cSWim Van Sebroeck user define Control Program command to be executed after a 2062b7e04f8cSWim Van Sebroeck timeout. 2063646f919eSPhilipp Hachtmann LPAR provides a very similar interface. This driver handles 2064646f919eSPhilipp Hachtmann both. 2065b7e04f8cSWim Van Sebroeck 2066b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2067a8fa3943SPhilipp Hachtmann will be called diag288_wdt. 2068b7e04f8cSWim Van Sebroeck 2069b7e04f8cSWim Van Sebroeck# SUPERH (sh + sh64) Architecture 2070b7e04f8cSWim Van Sebroeck 2071b7e04f8cSWim Van Sebroeckconfig SH_WDT 2072b7e04f8cSWim Van Sebroeck tristate "SuperH Watchdog" 2073da2a68b3SGuenter Roeck depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 20741950f499SPaul Mundt select WATCHDOG_CORE 2075b7e04f8cSWim Van Sebroeck help 2076b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the integrated watchdog in the 2077b7e04f8cSWim Van Sebroeck SuperH processors. If you have one of these processors and wish 2078b7e04f8cSWim Van Sebroeck to have watchdog support enabled, say Y, otherwise say N. 2079b7e04f8cSWim Van Sebroeck 2080b7e04f8cSWim Van Sebroeck As a side note, saying Y here will automatically boost HZ to 1000 2081b7e04f8cSWim Van Sebroeck so that the timer has a chance to clear the overflow counter. On 2082b7e04f8cSWim Van Sebroeck slower systems (such as the SH-2 and SH-3) this will likely yield 2083b7e04f8cSWim Van Sebroeck some performance issues. As such, the WDT should be avoided here 2084b7e04f8cSWim Van Sebroeck unless it is absolutely necessary. 2085b7e04f8cSWim Van Sebroeck 2086b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2087b7e04f8cSWim Van Sebroeck module will be called shwdt. 2088b7e04f8cSWim Van Sebroeck 2089b7e04f8cSWim Van Sebroeck# SPARC Architecture 2090b7e04f8cSWim Van Sebroeck 2091b7e04f8cSWim Van Sebroeck# SPARC64 Architecture 2092b7e04f8cSWim Van Sebroeck 2093b7e04f8cSWim Van Sebroeckconfig WATCHDOG_CP1XXX 2094b7e04f8cSWim Van Sebroeck tristate "CP1XXX Hardware Watchdog support" 2095b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2096a7f7f624SMasahiro Yamada help 2097b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog timers present on 2098b7e04f8cSWim Van Sebroeck Sun Microsystems CompactPCI models CP1400 and CP1500. 2099b7e04f8cSWim Van Sebroeck 2100b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2101b7e04f8cSWim Van Sebroeck module will be called cpwatchdog. 2102b7e04f8cSWim Van Sebroeck 2103b7e04f8cSWim Van Sebroeck If you do not have a CompactPCI model CP1400 or CP1500, or 2104b7e04f8cSWim Van Sebroeck another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 2105b7e04f8cSWim Van Sebroeck you should say N to this option. 2106b7e04f8cSWim Van Sebroeck 2107b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RIO 2108b7e04f8cSWim Van Sebroeck tristate "RIO Hardware Watchdog support" 2109b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2110b7e04f8cSWim Van Sebroeck help 2111b7e04f8cSWim Van Sebroeck Say Y here to support the hardware watchdog capability on Sun RIO 2112b7e04f8cSWim Van Sebroeck machines. The watchdog timeout period is normally one minute but 2113b7e04f8cSWim Van Sebroeck can be changed with a boot-time parameter. 2114b7e04f8cSWim Van Sebroeck 2115ca0bb079Swim.coekaerts@oracle.comconfig WATCHDOG_SUN4V 2116ca0bb079Swim.coekaerts@oracle.com tristate "Sun4v Watchdog support" 2117ca0bb079Swim.coekaerts@oracle.com select WATCHDOG_CORE 2118ca0bb079Swim.coekaerts@oracle.com depends on SPARC64 2119ca0bb079Swim.coekaerts@oracle.com help 2120ca0bb079Swim.coekaerts@oracle.com Say Y here to support the hypervisor watchdog capability embedded 2121ca0bb079Swim.coekaerts@oracle.com in the SPARC sun4v architecture. 2122ca0bb079Swim.coekaerts@oracle.com 2123ca0bb079Swim.coekaerts@oracle.com To compile this driver as a module, choose M here. The module will 2124ca0bb079Swim.coekaerts@oracle.com be called sun4v_wdt. 2125ca0bb079Swim.coekaerts@oracle.com 2126b7e04f8cSWim Van Sebroeck# XTENSA Architecture 2127b7e04f8cSWim Van Sebroeck 2128066d6c7fSJan Beulich# Xen Architecture 2129066d6c7fSJan Beulich 2130066d6c7fSJan Beulichconfig XEN_WDT 2131066d6c7fSJan Beulich tristate "Xen Watchdog support" 2132066d6c7fSJan Beulich depends on XEN 21334cd67644SRadu Rendec select WATCHDOG_CORE 2134066d6c7fSJan Beulich help 2135066d6c7fSJan Beulich Say Y here to support the hypervisor watchdog capability provided 2136066d6c7fSJan Beulich by Xen 4.0 and newer. The watchdog timeout period is normally one 2137066d6c7fSJan Beulich minute but can be changed with a boot-time parameter. 2138066d6c7fSJan Beulich 2139d805a786SAl Viroconfig UML_WATCHDOG 2140d805a786SAl Viro tristate "UML watchdog" 2141da2a68b3SGuenter Roeck depends on UML || COMPILE_TEST 2142d805a786SAl Viro 2143b7e04f8cSWim Van Sebroeck# 2144b7e04f8cSWim Van Sebroeck# ISA-based Watchdog Cards 2145b7e04f8cSWim Van Sebroeck# 2146b7e04f8cSWim Van Sebroeck 2147b7e04f8cSWim Van Sebroeckcomment "ISA-based Watchdog Cards" 2148b7e04f8cSWim Van Sebroeck depends on ISA 2149b7e04f8cSWim Van Sebroeck 2150b7e04f8cSWim Van Sebroeckconfig PCWATCHDOG 2151b7e04f8cSWim Van Sebroeck tristate "Berkshire Products ISA-PC Watchdog" 2152b7e04f8cSWim Van Sebroeck depends on ISA 2153a7f7f624SMasahiro Yamada help 2154b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products ISA-PC Watchdog card. 2155b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2156b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2157b7e04f8cSWim Van Sebroeck time. This driver is like the WDT501 driver but for different 215801028829SRandy Dunlap hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 215901028829SRandy Dunlap The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2160b7e04f8cSWim Van Sebroeck 2161b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2162b7e04f8cSWim Van Sebroeck module will be called pcwd. 2163b7e04f8cSWim Van Sebroeck 2164b7e04f8cSWim Van Sebroeck Most people will say N. 2165b7e04f8cSWim Van Sebroeck 2166b7e04f8cSWim Van Sebroeckconfig MIXCOMWD 2167b7e04f8cSWim Van Sebroeck tristate "Mixcom Watchdog" 2168b7e04f8cSWim Van Sebroeck depends on ISA 2169a7f7f624SMasahiro Yamada help 2170b7e04f8cSWim Van Sebroeck This is a driver for the Mixcom hardware watchdog cards. This 2171b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 2172b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2173b7e04f8cSWim Van Sebroeck time. 2174b7e04f8cSWim Van Sebroeck 2175b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2176b7e04f8cSWim Van Sebroeck module will be called mixcomwd. 2177b7e04f8cSWim Van Sebroeck 2178b7e04f8cSWim Van Sebroeck Most people will say N. 2179b7e04f8cSWim Van Sebroeck 2180b7e04f8cSWim Van Sebroeckconfig WDT 2181b7e04f8cSWim Van Sebroeck tristate "WDT Watchdog timer" 2182b7e04f8cSWim Van Sebroeck depends on ISA 2183a7f7f624SMasahiro Yamada help 2184b7e04f8cSWim Van Sebroeck If you have a WDT500P or WDT501P watchdog board, say Y here, 2185b7e04f8cSWim Van Sebroeck otherwise N. It is not possible to probe for this board, which means 2186b7e04f8cSWim Van Sebroeck that you have to inform the kernel about the IO port and IRQ that 2187b7e04f8cSWim Van Sebroeck is needed (you can do this via the io and irq parameters) 2188b7e04f8cSWim Van Sebroeck 2189b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2190b7e04f8cSWim Van Sebroeck module will be called wdt. 2191b7e04f8cSWim Van Sebroeck 2192b7e04f8cSWim Van Sebroeck# 2193b7e04f8cSWim Van Sebroeck# PCI-based Watchdog Cards 2194b7e04f8cSWim Van Sebroeck# 2195b7e04f8cSWim Van Sebroeck 2196b7e04f8cSWim Van Sebroeckcomment "PCI-based Watchdog Cards" 2197b7e04f8cSWim Van Sebroeck depends on PCI 2198b7e04f8cSWim Van Sebroeck 2199b7e04f8cSWim Van Sebroeckconfig PCIPCWATCHDOG 2200b7e04f8cSWim Van Sebroeck tristate "Berkshire Products PCI-PC Watchdog" 2201b7e04f8cSWim Van Sebroeck depends on PCI 2202a7f7f624SMasahiro Yamada help 2203b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products PCI-PC Watchdog card. 2204b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2205b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2206b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2207b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2208b7e04f8cSWim Van Sebroeck 2209b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2210b7e04f8cSWim Van Sebroeck module will be called pcwd_pci. 2211b7e04f8cSWim Van Sebroeck 2212b7e04f8cSWim Van Sebroeck Most people will say N. 2213b7e04f8cSWim Van Sebroeck 2214b7e04f8cSWim Van Sebroeckconfig WDTPCI 2215b7e04f8cSWim Van Sebroeck tristate "PCI-WDT500/501 Watchdog timer" 2216b7e04f8cSWim Van Sebroeck depends on PCI 2217a7f7f624SMasahiro Yamada help 2218b7e04f8cSWim Van Sebroeck If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2219b7e04f8cSWim Van Sebroeck 22209b901ee0SWim Van Sebroeck If you have a PCI-WDT501 watchdog board then you can enable the 22219b901ee0SWim Van Sebroeck temperature sensor by setting the type parameter to 501. 2222b7e04f8cSWim Van Sebroeck 2223b7e04f8cSWim Van Sebroeck If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2224b7e04f8cSWim Van Sebroeck can do this via the tachometer parameter. Only do this if you have a 2225b7e04f8cSWim Van Sebroeck fan tachometer actually set up. 2226b7e04f8cSWim Van Sebroeck 22279b901ee0SWim Van Sebroeck To compile this driver as a module, choose M here: the 22289b901ee0SWim Van Sebroeck module will be called wdt_pci. 22299b901ee0SWim Van Sebroeck 2230b7e04f8cSWim Van Sebroeck# 2231b7e04f8cSWim Van Sebroeck# USB-based Watchdog Cards 2232b7e04f8cSWim Van Sebroeck# 2233b7e04f8cSWim Van Sebroeck 2234b7e04f8cSWim Van Sebroeckcomment "USB-based Watchdog Cards" 2235b7e04f8cSWim Van Sebroeck depends on USB 2236b7e04f8cSWim Van Sebroeck 2237b7e04f8cSWim Van Sebroeckconfig USBPCWATCHDOG 2238b7e04f8cSWim Van Sebroeck tristate "Berkshire Products USB-PC Watchdog" 2239b7e04f8cSWim Van Sebroeck depends on USB 2240a7f7f624SMasahiro Yamada help 2241b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products USB-PC Watchdog card. 2242b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2243b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2244b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2245b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2246b7e04f8cSWim Van Sebroeck 2247b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2248b7e04f8cSWim Van Sebroeck module will be called pcwd_usb. 2249b7e04f8cSWim Van Sebroeck 2250b7e04f8cSWim Van Sebroeck Most people will say N. 2251b7e04f8cSWim Van Sebroeck 2252fa0f8d51SVijayakannan Ayyathuraiconfig KEEMBAY_WATCHDOG 2253fa0f8d51SVijayakannan Ayyathurai tristate "Intel Keem Bay SoC non-secure watchdog" 2254fa0f8d51SVijayakannan Ayyathurai depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2255fa0f8d51SVijayakannan Ayyathurai select WATCHDOG_CORE 2256fa0f8d51SVijayakannan Ayyathurai help 2257fa0f8d51SVijayakannan Ayyathurai This option enable support for an In-secure watchdog timer driver for 2258fa0f8d51SVijayakannan Ayyathurai Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2259fa0f8d51SVijayakannan Ayyathurai count unit. An interrupt will be triggered, when the count crosses 2260c891ef7dSWong Vee Khee the threshold configured in the register. 2261fa0f8d51SVijayakannan Ayyathurai 2262fa0f8d51SVijayakannan Ayyathurai To compile this driver as a module, choose M here: the 2263fa0f8d51SVijayakannan Ayyathurai module will be called keembay_wdt. 2264fa0f8d51SVijayakannan Ayyathurai 2265b7e04f8cSWim Van Sebroeckendif # WATCHDOG 2266