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 184843dac4dSLukasz Majczakconfig CROS_EC_WATCHDOG 185843dac4dSLukasz Majczak tristate "ChromeOS EC-based watchdog" 186843dac4dSLukasz Majczak select WATCHDOG_CORE 187843dac4dSLukasz Majczak depends on CROS_EC 188843dac4dSLukasz Majczak help 189843dac4dSLukasz Majczak Watchdog driver for Chromebook devices equipped with embedded controller. 190843dac4dSLukasz Majczak Trigger event is recorded in EC and checked on the subsequent boot. 191843dac4dSLukasz Majczak 192843dac4dSLukasz Majczak To compile this driver as a module, choose M here: the 193843dac4dSLukasz Majczak module will be called cros_ec_wdt. 194843dac4dSLukasz 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 257*1f6602c8SMark Pearsonconfig LENOVO_SE10_WDT 258*1f6602c8SMark Pearson tristate "Lenovo SE10 Watchdog" 259*1f6602c8SMark Pearson select WATCHDOG_CORE 260*1f6602c8SMark Pearson help 261*1f6602c8SMark Pearson If you say yes here you get support for the watchdog 262*1f6602c8SMark Pearson functionality for the Lenovo SE10 platform. 263*1f6602c8SMark Pearson 264*1f6602c8SMark Pearson This driver can also be built as a module. If so, the module 265*1f6602c8SMark Pearson will be called lenovo-se10-wdt. 266*1f6602c8SMark Pearson 26750332639SAndreas Wernerconfig MENF21BMC_WATCHDOG 26850332639SAndreas Werner tristate "MEN 14F021P00 BMC Watchdog" 269da2a68b3SGuenter Roeck depends on MFD_MENF21BMC || COMPILE_TEST 2706fb303a8SArnd Bergmann depends on I2C 27150332639SAndreas Werner select WATCHDOG_CORE 27250332639SAndreas Werner help 27350332639SAndreas Werner Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 27450332639SAndreas Werner 27550332639SAndreas Werner This driver can also be built as a module. If so the module 27650332639SAndreas Werner will be called menf21bmc_wdt. 27750332639SAndreas Werner 27881ceed41SJohannes Thumshirnconfig MENZ069_WATCHDOG 27981ceed41SJohannes Thumshirn tristate "MEN 16Z069 Watchdog" 28012aea518SJohannes Thumshirn depends on MCB 28181ceed41SJohannes Thumshirn select WATCHDOG_CORE 28281ceed41SJohannes Thumshirn help 28381ceed41SJohannes Thumshirn Say Y here to include support for the MEN 16Z069 Watchdog. 28481ceed41SJohannes Thumshirn 28581ceed41SJohannes Thumshirn This driver can also be built as a module. If so the module 28681ceed41SJohannes Thumshirn will be called menz069_wdt. 28781ceed41SJohannes Thumshirn 288058dfc76SMika Westerbergconfig WDAT_WDT 289058dfc76SMika Westerberg tristate "ACPI Watchdog Action Table (WDAT)" 290058dfc76SMika Westerberg depends on ACPI 291effb46b4SMika Westerberg select WATCHDOG_CORE 292058dfc76SMika Westerberg select ACPI_WATCHDOG 293058dfc76SMika Westerberg help 294058dfc76SMika Westerberg This driver adds support for systems with ACPI Watchdog Action 295058dfc76SMika Westerberg Table (WDAT) table. Servers typically have this but it can be 296058dfc76SMika Westerberg found on some desktop machines as well. This driver will take 297058dfc76SMika Westerberg over the native iTCO watchdog driver found on many Intel CPUs. 298058dfc76SMika Westerberg 299058dfc76SMika Westerberg To compile this driver as module, choose M here: the module will 300058dfc76SMika Westerberg be called wdat_wdt. 301058dfc76SMika Westerberg 302502a0106SMark Brownconfig WM831X_WATCHDOG 303502a0106SMark Brown tristate "WM831x watchdog" 304d0e32fbaSArnd Bergmann depends on MFD_WM831X 30500411ee9SMark Brown select WATCHDOG_CORE 306502a0106SMark Brown help 307502a0106SMark Brown Support for the watchdog in the WM831x AudioPlus PMICs. When 308502a0106SMark Brown the watchdog triggers the system will be reset. 309502a0106SMark Brown 310006948baSMark Brownconfig WM8350_WATCHDOG 311006948baSMark Brown tristate "WM8350 watchdog" 312006948baSMark Brown depends on MFD_WM8350 3132e51d90fSAxel Lin select WATCHDOG_CORE 314006948baSMark Brown help 315006948baSMark Brown Support for the watchdog in the WM8350 AudioPlus PMIC. When 316006948baSMark Brown the watchdog triggers the system will be reset. 317006948baSMark Brown 318c9dcf9f2SMichal Simekconfig XILINX_WATCHDOG 319c9dcf9f2SMichal Simek tristate "Xilinx Watchdog timer" 32071fd380aSChen Gang depends on HAS_IOMEM 321c9dcf9f2SMichal Simek select WATCHDOG_CORE 322c9dcf9f2SMichal Simek help 32301028829SRandy Dunlap Watchdog driver for the xps_timebase_wdt IP core. 324c9dcf9f2SMichal Simek 325c9dcf9f2SMichal Simek To compile this driver as a module, choose M here: the 326c9dcf9f2SMichal Simek module will be called of_xilinx_wdt. 327c9dcf9f2SMichal Simek 32812984ceaSSrinivas Neeliconfig XILINX_WINDOW_WATCHDOG 32912984ceaSSrinivas Neeli tristate "Xilinx window watchdog timer" 33012984ceaSSrinivas Neeli depends on HAS_IOMEM 331f1a43aadSRob Herring depends on ARM64 || COMPILE_TEST 33212984ceaSSrinivas Neeli select WATCHDOG_CORE 33312984ceaSSrinivas Neeli help 33412984ceaSSrinivas Neeli Window watchdog driver for the versal_wwdt IP core. 33512984ceaSSrinivas Neeli Window watchdog timer(WWDT) contains closed(first) and 33612984ceaSSrinivas Neeli open(second) window with 32 bit width. Write to the watchdog 33712984ceaSSrinivas Neeli timer within predefined window periods of time. This means 33812984ceaSSrinivas Neeli a period that is not too soon and a period that is not too 33912984ceaSSrinivas Neeli late. The WWDT has to be restarted within the open window time. 34012984ceaSSrinivas Neeli If software tries to restart WWDT outside of the open window 34112984ceaSSrinivas Neeli time period, it generates a reset. 34212984ceaSSrinivas Neeli 34312984ceaSSrinivas Neeli To compile this driver as a module, choose M here: the 34412984ceaSSrinivas Neeli module will be called xilinx_wwdt. 34512984ceaSSrinivas Neeli 3462a7b753aSMartyn Welchconfig ZIIRAVE_WATCHDOG 3472a7b753aSMartyn Welch tristate "Zodiac RAVE Watchdog Timer" 3482a7b753aSMartyn Welch depends on I2C 3492a7b753aSMartyn Welch select WATCHDOG_CORE 3502a7b753aSMartyn Welch help 3512a7b753aSMartyn Welch Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 3522a7b753aSMartyn Welch Processor. 3532a7b753aSMartyn Welch 3542a7b753aSMartyn Welch To compile this driver as a module, choose M here: the 3552a7b753aSMartyn Welch module will be called ziirave_wdt. 3562a7b753aSMartyn Welch 357c3bb3334SAndrey Smirnovconfig RAVE_SP_WATCHDOG 358c3bb3334SAndrey Smirnov tristate "RAVE SP Watchdog timer" 359c3bb3334SAndrey Smirnov depends on RAVE_SP_CORE 36020e6bb17SArnd Bergmann depends on NVMEM || !NVMEM 361c3bb3334SAndrey Smirnov select WATCHDOG_CORE 362c3bb3334SAndrey Smirnov help 363c3bb3334SAndrey Smirnov Support for the watchdog on RAVE SP device. 364c3bb3334SAndrey Smirnov 365c60923ddSMichael Shychconfig MLX_WDT 366c60923ddSMichael Shych tristate "Mellanox Watchdog" 367f1a43aadSRob Herring depends on MELLANOX_PLATFORM || COMPILE_TEST 368c60923ddSMichael Shych select WATCHDOG_CORE 369c60923ddSMichael Shych select REGMAP 370c60923ddSMichael Shych help 371c60923ddSMichael Shych This is the driver for the hardware watchdog on Mellanox systems. 372c60923ddSMichael Shych If you are going to use it, say Y here, otherwise N. 373c60923ddSMichael Shych This driver can be used together with the watchdog daemon. 374c60923ddSMichael Shych It can also watch your kernel to make sure it doesn't freeze, 375c60923ddSMichael Shych and if it does, it reboots your system after a certain amount of 376c60923ddSMichael Shych time. 377c60923ddSMichael Shych 378c60923ddSMichael Shych To compile this driver as a module, choose M here: the 379c60923ddSMichael Shych module will be called mlx-wdt. 380c60923ddSMichael Shych 38185174ca6SMichael Walleconfig SL28CPLD_WATCHDOG 38285174ca6SMichael Walle tristate "Kontron sl28cpld Watchdog" 38385174ca6SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 38485174ca6SMichael Walle select WATCHDOG_CORE 38585174ca6SMichael Walle help 38685174ca6SMichael Walle Say Y here to include support for the watchdog timer 38785174ca6SMichael Walle on the Kontron sl28 CPLD. 38885174ca6SMichael Walle 38985174ca6SMichael Walle To compile this driver as a module, choose M here: the 39085174ca6SMichael Walle module will be called sl28cpld_wdt. 39185174ca6SMichael Walle 392b7e04f8cSWim Van Sebroeck# ALPHA Architecture 393b7e04f8cSWim Van Sebroeck 394b7e04f8cSWim Van Sebroeck# ARM Architecture 395b7e04f8cSWim Van Sebroeck 3964a370278SViresh KUMARconfig ARM_SP805_WATCHDOG 3974a370278SViresh KUMAR tristate "ARM SP805 Watchdog" 3983eafee95SArnd Bergmann depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 3994a516539SViresh Kumar select WATCHDOG_CORE 4004a370278SViresh KUMAR help 4014a370278SViresh KUMAR ARM Primecell SP805 Watchdog timer. This will reboot your system when 4024a370278SViresh KUMAR the timeout is reached. 4034a370278SViresh KUMAR 40457d2caaaSFu Weiconfig ARM_SBSA_WATCHDOG 40557d2caaaSFu Wei tristate "ARM SBSA Generic Watchdog" 40657d2caaaSFu Wei depends on ARM64 40757d2caaaSFu Wei depends on ARM_ARCH_TIMER 40857d2caaaSFu Wei select WATCHDOG_CORE 40957d2caaaSFu Wei help 41057d2caaaSFu Wei ARM SBSA Generic Watchdog has two stage timeouts: 41157d2caaaSFu Wei the first signal (WS0) is for alerting the system by interrupt, 41257d2caaaSFu Wei the second one (WS1) is a real hardware reset. 41357d2caaaSFu Wei More details: ARM DEN0029B - Server Base System Architecture (SBSA) 41457d2caaaSFu Wei 41557d2caaaSFu Wei This driver can operate ARM SBSA Generic Watchdog as a single stage 41657d2caaaSFu Wei or a two stages watchdog, it depends on the module parameter "action". 41757d2caaaSFu Wei 41857d2caaaSFu Wei Note: the maximum timeout in the two stages mode is half of that in 41957d2caaaSFu Wei the single stage mode. 42057d2caaaSFu Wei 42157d2caaaSFu Wei To compile this driver as module, choose M here: The module 42257d2caaaSFu Wei will be called sbsa_gwdt. 42357d2caaaSFu Wei 42454e3d9b5SMarek Behúnconfig ARMADA_37XX_WATCHDOG 42554e3d9b5SMarek Behún tristate "Armada 37xx watchdog" 42654e3d9b5SMarek Behún depends on ARCH_MVEBU || COMPILE_TEST 4277f6f1dfbSGuenter Roeck depends on HAS_IOMEM 42854e3d9b5SMarek Behún select MFD_SYSCON 42954e3d9b5SMarek Behún select WATCHDOG_CORE 43054e3d9b5SMarek Behún help 43154e3d9b5SMarek Behún Say Y here to include support for the watchdog timer found on 43254e3d9b5SMarek Behún Marvell Armada 37xx SoCs. 43354e3d9b5SMarek Behún To compile this driver as a module, choose M here: the 43454e3d9b5SMarek Behún module will be called armada_37xx_wdt. 43554e3d9b5SMarek Behún 436aae03dc9SOleksij Rempelconfig ASM9260_WATCHDOG 437aae03dc9SOleksij Rempel tristate "Alphascale ASM9260 watchdog" 438da2a68b3SGuenter Roeck depends on MACH_ASM9260 || COMPILE_TEST 439aae03dc9SOleksij Rempel depends on OF 440aae03dc9SOleksij Rempel select WATCHDOG_CORE 441aae03dc9SOleksij Rempel select RESET_CONTROLLER 442aae03dc9SOleksij Rempel help 44301028829SRandy Dunlap Watchdog timer embedded into Alphascale asm9260 chips. This will 44401028829SRandy Dunlap reboot your system when the timeout is reached. 445aae03dc9SOleksij Rempel 446b7e04f8cSWim Van Sebroeckconfig AT91RM9200_WATCHDOG 447b7e04f8cSWim Van Sebroeck tristate "AT91RM9200 watchdog" 448da2a68b3SGuenter Roeck depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 449b7e04f8cSWim Van Sebroeck help 450b7e04f8cSWim Van Sebroeck Watchdog timer embedded into AT91RM9200 chips. This will reboot your 451b7e04f8cSWim Van Sebroeck system when the timeout is reached. 452b7e04f8cSWim Van Sebroeck 453e6bb42e3SRenaud CERRATOconfig AT91SAM9X_WATCHDOG 454f0e625c1SAndrew Victor tristate "AT91SAM9X / AT91CAP9 watchdog" 455da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 456490ac7afSWenyou Yang select WATCHDOG_CORE 457e6bb42e3SRenaud CERRATO help 458f0e625c1SAndrew Victor Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 459f0e625c1SAndrew Victor reboot your system when the timeout is reached. 460e6bb42e3SRenaud CERRATO 46176534860SWenyou Yangconfig SAMA5D4_WATCHDOG 46276534860SWenyou Yang tristate "Atmel SAMA5D4 Watchdog Timer" 463da2a68b3SGuenter Roeck depends on ARCH_AT91 || COMPILE_TEST 46476534860SWenyou Yang select WATCHDOG_CORE 46576534860SWenyou Yang help 46676534860SWenyou Yang Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 46776534860SWenyou Yang Its Watchdog Timer Mode Register can be written more than once. 46876534860SWenyou Yang This will reboot your system when the timeout is reached. 46976534860SWenyou Yang 47058bf0164SHarini Katakamconfig CADENCE_WATCHDOG 47158bf0164SHarini Katakam tristate "Cadence Watchdog Timer" 4726960d485SRichard Weinberger depends on HAS_IOMEM 47358bf0164SHarini Katakam select WATCHDOG_CORE 47458bf0164SHarini Katakam help 47558bf0164SHarini Katakam Say Y here if you want to include support for the watchdog 47658bf0164SHarini Katakam timer in the Xilinx Zynq. 47758bf0164SHarini Katakam 478b7e04f8cSWim Van Sebroeckconfig 21285_WATCHDOG 479b7e04f8cSWim Van Sebroeck tristate "DC21285 watchdog" 480b7e04f8cSWim Van Sebroeck depends on FOOTBRIDGE 481b7e04f8cSWim Van Sebroeck help 482b7e04f8cSWim Van Sebroeck The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 483b7e04f8cSWim Van Sebroeck here if you wish to use this. Alternatively say M to compile the 484b7e04f8cSWim Van Sebroeck driver as a module, which will be called wdt285. 485b7e04f8cSWim Van Sebroeck 486b7e04f8cSWim Van Sebroeck This driver does not work on all machines. In particular, early CATS 487b7e04f8cSWim Van Sebroeck boards have hardware problems that will cause the machine to simply 488b7e04f8cSWim Van Sebroeck lock up if the watchdog fires. 489b7e04f8cSWim Van Sebroeck 490b7e04f8cSWim Van Sebroeck "If in doubt, leave it out" - say N. 491b7e04f8cSWim Van Sebroeck 492b7e04f8cSWim Van Sebroeckconfig 977_WATCHDOG 493b7e04f8cSWim Van Sebroeck tristate "NetWinder WB83C977 watchdog" 494da2a68b3SGuenter Roeck depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 495b7e04f8cSWim Van Sebroeck help 496b7e04f8cSWim Van Sebroeck Say Y here to include support for the WB977 watchdog included in 497b7e04f8cSWim Van Sebroeck NetWinder machines. Alternatively say M to compile the driver as 498b7e04f8cSWim Van Sebroeck a module, which will be called wdt977. 499b7e04f8cSWim Van Sebroeck 500b7e04f8cSWim Van Sebroeck Not sure? It's safe to say N. 501b7e04f8cSWim Van Sebroeck 502766a2aadSLinus Walleijconfig FTWDT010_WATCHDOG 503766a2aadSLinus Walleij tristate "Faraday Technology FTWDT010 watchdog" 504766a2aadSLinus Walleij depends on ARM || COMPILE_TEST 505eca10ae6SLinus Walleij select WATCHDOG_CORE 506766a2aadSLinus Walleij default ARCH_GEMINI 507eca10ae6SLinus Walleij help 508766a2aadSLinus Walleij Say Y here if to include support for the Faraday Technology 509766a2aadSLinus Walleij FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 510766a2aadSLinus Walleij family of devices. 511eca10ae6SLinus Walleij 512eca10ae6SLinus Walleij To compile this driver as a module, choose M here: the 513766a2aadSLinus Walleij module will be called ftwdt010_wdt. 514eca10ae6SLinus Walleij 515b7e04f8cSWim Van Sebroeckconfig IXP4XX_WATCHDOG 516b7e04f8cSWim Van Sebroeck tristate "IXP4xx Watchdog" 517f1a43aadSRob Herring depends on ARCH_IXP4XX || (ARM && COMPILE_TEST) 518580b8e28SLinus Walleij select WATCHDOG_CORE 519b7e04f8cSWim Van Sebroeck help 520b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 521b7e04f8cSWim Van Sebroeck in the Intel IXP4xx network processors. This driver can 522b7e04f8cSWim Van Sebroeck be built as a module by choosing M. The module will 523b7e04f8cSWim Van Sebroeck be called ixp4xx_wdt. 524b7e04f8cSWim Van Sebroeck 525b7e04f8cSWim Van Sebroeck Note: The internal IXP4xx watchdog does a soft CPU reset 526b7e04f8cSWim Van Sebroeck which doesn't reset any peripherals. There are circumstances 527b7e04f8cSWim Van Sebroeck where the watchdog will fail to reset the board correctly 528b7e04f8cSWim Van Sebroeck (e.g., if the boot ROM is in an unreadable state). 529b7e04f8cSWim Van Sebroeck 530b7e04f8cSWim Van Sebroeck Say N if you are unsure. 531b7e04f8cSWim Van Sebroeck 532b7e04f8cSWim Van Sebroeckconfig S3C2410_WATCHDOG 5331ea35b35SArnd Bergmann tristate "S3C6410/S5Pv210/Exynos Watchdog" 5341ea35b35SArnd Bergmann depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 53525dc46e3SWolfram Sang select WATCHDOG_CORE 536b7e04f8cSWim Van Sebroeck help 5371ea35b35SArnd Bergmann Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos 5381ea35b35SArnd Bergmann SoCs. This will reboot the system when the timer expires with 539981785daSKrzysztof Kozlowski the watchdog enabled. 540b7e04f8cSWim Van Sebroeck 541b7e04f8cSWim Van Sebroeck The driver is limited by the speed of the system's PCLK 542b7e04f8cSWim Van Sebroeck signal, so with reasonably fast systems (PCLK around 50-66MHz) 543b7e04f8cSWim Van Sebroeck then watchdog intervals of over approximately 20seconds are 544b7e04f8cSWim Van Sebroeck unavailable. 545b7e04f8cSWim Van Sebroeck 546981785daSKrzysztof Kozlowski Choose Y/M here only if you build for such Samsung SoC. 547b7e04f8cSWim Van Sebroeck The driver can be built as a module by choosing M, and will 548981785daSKrzysztof Kozlowski be called s3c2410_wdt. 549b7e04f8cSWim Van Sebroeck 550b7e04f8cSWim Van Sebroeckconfig SA1100_WATCHDOG 551b7e04f8cSWim Van Sebroeck tristate "SA1100/PXA2xx watchdog" 552f1a43aadSRob Herring depends on ARCH_SA1100 || ARCH_PXA || COMPILE_TEST 553b7e04f8cSWim Van Sebroeck help 554b7e04f8cSWim Van Sebroeck Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 555b7e04f8cSWim Van Sebroeck reboot your system when timeout is reached. 556b7e04f8cSWim Van Sebroeck 557b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 558b7e04f8cSWim Van Sebroeck 559b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 560b7e04f8cSWim Van Sebroeck module will be called sa1100_wdt. 561b7e04f8cSWim Van Sebroeck 562c9353ae1SJamie Ilesconfig DW_WATCHDOG 563c9353ae1SJamie Iles tristate "Synopsys DesignWare watchdog" 5641ccfe6f9SRichard Weinberger depends on HAS_IOMEM 565f29a72c2SGuenter Roeck select WATCHDOG_CORE 566c9353ae1SJamie Iles help 567c9353ae1SJamie Iles Say Y here if to include support for the Synopsys DesignWare 56858a251f2SBaruch Siach watchdog timer found in many chips. 569c9353ae1SJamie Iles To compile this driver as a module, choose M here: the 570c9353ae1SJamie Iles module will be called dw_wdt. 571c9353ae1SJamie Iles 572b7e04f8cSWim Van Sebroeckconfig EP93XX_WATCHDOG 573b7e04f8cSWim Van Sebroeck tristate "EP93xx Watchdog" 574da2a68b3SGuenter Roeck depends on ARCH_EP93XX || COMPILE_TEST 575e12a679dSH Hartley Sweeten select WATCHDOG_CORE 576b7e04f8cSWim Van Sebroeck help 577b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 578b7e04f8cSWim Van Sebroeck embedded in the Cirrus Logic EP93xx family of devices. 579b7e04f8cSWim Van Sebroeck 580b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 581b7e04f8cSWim Van Sebroeck module will be called ep93xx_wdt. 582b7e04f8cSWim Van Sebroeck 583b7e04f8cSWim Van Sebroeckconfig OMAP_WATCHDOG 584b7e04f8cSWim Van Sebroeck tristate "OMAP Watchdog" 585da2a68b3SGuenter Roeck depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 58667c0f554SAaro Koskinen select WATCHDOG_CORE 587b7e04f8cSWim Van Sebroeck help 58801028829SRandy Dunlap Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 58901028829SRandy Dunlap Say 'Y' here to enable the 59001028829SRandy Dunlap OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 591b7e04f8cSWim Van Sebroeck 592b7e04f8cSWim Van Sebroeckconfig PNX4008_WATCHDOG 593d684f05fSRoland Stigge tristate "LPC32XX Watchdog" 594c9b8af43SArnd Bergmann depends on ARCH_LPC32XX || COMPILE_TEST 5956b1e8386SWolfram Sang select WATCHDOG_CORE 596b7e04f8cSWim Van Sebroeck help 597b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 598d684f05fSRoland Stigge in the LPC32XX processor. 599b7e04f8cSWim Van Sebroeck This driver can be built as a module by choosing M. The module 600b7e04f8cSWim Van Sebroeck will be called pnx4008_wdt. 601b7e04f8cSWim Van Sebroeck 602b7e04f8cSWim Van Sebroeck Say N if you are unsure. 603b7e04f8cSWim Van Sebroeck 604b7e04f8cSWim Van Sebroeckconfig DAVINCI_WATCHDOG 605b7e04f8cSWim Van Sebroeck tristate "DaVinci watchdog" 606da2a68b3SGuenter Roeck depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 607f48f3ceaSIvan Khoronzhuk select WATCHDOG_CORE 608b7e04f8cSWim Van Sebroeck help 609b7e04f8cSWim Van Sebroeck Say Y here if to include support for the watchdog timer 6108832b200SIvan Khoronzhuk in the DaVinci DM644x/DM646x or Keystone processors. 611b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 612b7e04f8cSWim Van Sebroeck module will be called davinci_wdt. 613b7e04f8cSWim Van Sebroeck 614b7e04f8cSWim Van Sebroeck NOTE: once enabled, this timer cannot be disabled. 615b7e04f8cSWim Van Sebroeck Say N if you are unsure. 616b7e04f8cSWim Van Sebroeck 6172d63908bSTero Kristoconfig K3_RTI_WATCHDOG 6182d63908bSTero Kristo tristate "Texas Instruments K3 RTI watchdog" 6192d63908bSTero Kristo depends on ARCH_K3 || COMPILE_TEST 6202d63908bSTero Kristo select WATCHDOG_CORE 6212d63908bSTero Kristo help 6222d63908bSTero Kristo Say Y here if you want to include support for the K3 watchdog 6232d63908bSTero Kristo timer (RTI module) available in the K3 generation of processors. 6242d63908bSTero Kristo 6253b937a7dSNicolas Pitreconfig ORION_WATCHDOG 6263b937a7dSNicolas Pitre tristate "Orion watchdog" 6273e3f354bSArnd Bergmann depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 628c3525e3fSThierry Reding depends on ARM 6290dd6e484SAxel Lin select WATCHDOG_CORE 63022ac9232SSylver Bruneau help 63122ac9232SSylver Bruneau Say Y here if to include support for the watchdog timer 6323b937a7dSNicolas Pitre in the Marvell Orion5x and Kirkwood ARM SoCs. 63322ac9232SSylver Bruneau To compile this driver as a module, choose M here: the 6343b937a7dSNicolas Pitre module will be called orion_wdt. 63522ac9232SSylver Bruneau 63622b1c841SBeniamino Galvaniconfig RN5T618_WATCHDOG 63722b1c841SBeniamino Galvani tristate "Ricoh RN5T618 watchdog" 638da2a68b3SGuenter Roeck depends on MFD_RN5T618 || COMPILE_TEST 63922b1c841SBeniamino Galvani select WATCHDOG_CORE 64022b1c841SBeniamino Galvani help 64122b1c841SBeniamino Galvani If you say yes here you get support for watchdog on the Ricoh 64222b1c841SBeniamino Galvani RN5T618 PMIC. 64322b1c841SBeniamino Galvani 64422b1c841SBeniamino Galvani This driver can also be built as a module. If so, the module 64522b1c841SBeniamino Galvani will be called rn5t618_wdt. 64622b1c841SBeniamino Galvani 647d00680edSCarlo Caioneconfig SUNXI_WATCHDOG 648d00680edSCarlo Caione tristate "Allwinner SoCs watchdog support" 649da2a68b3SGuenter Roeck depends on ARCH_SUNXI || COMPILE_TEST 650d00680edSCarlo Caione select WATCHDOG_CORE 651d00680edSCarlo Caione help 652d00680edSCarlo Caione Say Y here to include support for the watchdog timer 653d00680edSCarlo Caione in Allwinner SoCs. 654d00680edSCarlo Caione To compile this driver as a module, choose M here: the 655d00680edSCarlo Caione module will be called sunxi_wdt. 656d00680edSCarlo Caione 657975b7f0fSJoel Stanleyconfig NPCM7XX_WATCHDOG 658ec242929SGuenter Roeck tristate "Nuvoton NPCM750 watchdog" 659975b7f0fSJoel Stanley depends on ARCH_NPCM || COMPILE_TEST 6607db706a2STomer Maimon default y if ARCH_NPCM7XX 661975b7f0fSJoel Stanley select WATCHDOG_CORE 662975b7f0fSJoel Stanley help 663975b7f0fSJoel Stanley Say Y here to include Watchdog timer support for the 664975b7f0fSJoel Stanley watchdog embedded into the NPCM7xx. 665975b7f0fSJoel Stanley This watchdog is used to reset the system and thus cannot be 666975b7f0fSJoel Stanley compiled as a module. 667975b7f0fSJoel Stanley 66880e45b1eSTimo Kokkonenconfig TWL4030_WATCHDOG 66980e45b1eSTimo Kokkonen tristate "TWL4030 Watchdog" 67080e45b1eSTimo Kokkonen depends on TWL4030_CORE 671b2c4e4b2SJarkko Nikula select WATCHDOG_CORE 67280e45b1eSTimo Kokkonen help 67380e45b1eSTimo Kokkonen Support for TI TWL4030 watchdog. Say 'Y' here to enable the 67480e45b1eSTimo Kokkonen watchdog timer support for TWL4030 chips. 67580e45b1eSTimo Kokkonen 676de6303abSWolfram Sangconfig STMP3XXX_RTC_WATCHDOG 677de6303abSWolfram Sang tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 678da2a68b3SGuenter Roeck depends on RTC_DRV_STMP || COMPILE_TEST 679de6303abSWolfram Sang select WATCHDOG_CORE 680de6303abSWolfram Sang help 681de6303abSWolfram Sang Say Y here to include support for the watchdog timer inside 682de6303abSWolfram Sang the RTC for the STMP37XX/378X or i.MX23/28 SoC. 683de6303abSWolfram Sang To compile this driver as a module, choose M here: the 684de6303abSWolfram Sang module will be called stmp3xxx_rtc_wdt. 685de6303abSWolfram Sang 686bf900639SDamien Riegelconfig TS4800_WATCHDOG 687bf900639SDamien Riegel tristate "TS-4800 Watchdog" 688bf900639SDamien Riegel depends on HAS_IOMEM && OF 6890519e91dSJean Delvare depends on SOC_IMX51 || COMPILE_TEST 690bf900639SDamien Riegel select WATCHDOG_CORE 691bf900639SDamien Riegel select MFD_SYSCON 692bf900639SDamien Riegel help 693bf900639SDamien Riegel Technologic Systems TS-4800 has watchdog timer implemented in 694bf900639SDamien Riegel an external FPGA. Say Y here if you want to support for the 695bf900639SDamien Riegel watchdog timer on TS-4800 board. 696bf900639SDamien Riegel 697c90bf2aaSMika Westerbergconfig TS72XX_WATCHDOG 698c90bf2aaSMika Westerberg tristate "TS-72XX SBC Watchdog" 699da2a68b3SGuenter Roeck depends on MACH_TS72XX || COMPILE_TEST 7000f0dbd9bSShyam Saini select WATCHDOG_CORE 701c90bf2aaSMika Westerberg help 702c90bf2aaSMika Westerberg Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 703c90bf2aaSMika Westerberg watchdog timer implemented in a external CPLD chip. Say Y here 704c90bf2aaSMika Westerberg if you want to support for the watchdog timer on TS-72XX boards. 705c90bf2aaSMika Westerberg 706c90bf2aaSMika Westerberg To compile this driver as a module, choose M here: the 707c90bf2aaSMika Westerberg module will be called ts72xx_wdt. 708c90bf2aaSMika Westerberg 7095e803716SMarc Zyngierconfig MAX63XX_WATCHDOG 7105e803716SMarc Zyngier tristate "Max63xx watchdog" 71104658449SVivien Didelot depends on HAS_IOMEM 712a0f36833SAxel Lin select WATCHDOG_CORE 7135e803716SMarc Zyngier help 7145e803716SMarc Zyngier Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 7155e803716SMarc Zyngier 716ff3bb2f5SLaxman Dewanganconfig MAX77620_WATCHDOG 717ff3bb2f5SLaxman Dewangan tristate "Maxim Max77620 Watchdog Timer" 718254099d8SLuca Ceresoli depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 719da9e3f4eSDavid Engraf select WATCHDOG_CORE 720ff3bb2f5SLaxman Dewangan help 721ff3bb2f5SLaxman Dewangan This is the driver for the Max77620 watchdog timer. 722ff3bb2f5SLaxman Dewangan Say 'Y' here to enable the watchdog timer support for 723ff3bb2f5SLaxman Dewangan MAX77620 chips. To compile this driver as a module, 724ff3bb2f5SLaxman Dewangan choose M here: the module will be called max77620_wdt. 725ff3bb2f5SLaxman Dewangan 726bb2fd8a8SWolfram Sangconfig IMX2_WDT 727bb2fd8a8SWolfram Sang tristate "IMX2+ Watchdog" 728da2a68b3SGuenter Roeck depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 729a7977003SXiubo Li select REGMAP_MMIO 730faad5de0SAnatolij Gustschin select WATCHDOG_CORE 731bb2fd8a8SWolfram Sang help 732bb2fd8a8SWolfram Sang This is the driver for the hardware watchdog 733bb2fd8a8SWolfram Sang on the Freescale IMX2 and later processors. 734bb2fd8a8SWolfram Sang If you have one of these processors and wish to have 735bb2fd8a8SWolfram Sang watchdog support enabled, say Y, otherwise say N. 736bb2fd8a8SWolfram Sang 737bb2fd8a8SWolfram Sang To compile this driver as a module, choose M here: the 738bb2fd8a8SWolfram Sang module will be called imx2_wdt. 739bb2fd8a8SWolfram Sang 740986857acSAnson Huangconfig IMX_SC_WDT 741986857acSAnson Huang tristate "IMX SC Watchdog" 742986857acSAnson Huang depends on HAVE_ARM_SMCCC 743f1a43aadSRob Herring depends on IMX_SCU || COMPILE_TEST 744986857acSAnson Huang select WATCHDOG_CORE 745986857acSAnson Huang help 746986857acSAnson Huang This is the driver for the system controller watchdog 747986857acSAnson Huang on the NXP i.MX SoCs with system controller inside, the 748986857acSAnson Huang watchdog driver will call ARM SMC API and trap into 749986857acSAnson Huang ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 750986857acSAnson Huang will request system controller to execute the operations. 751986857acSAnson Huang If you have one of these processors and wish to have 752986857acSAnson Huang watchdog support enabled, say Y, otherwise say N. 753986857acSAnson Huang 754986857acSAnson Huang To compile this driver as a module, choose M here: the 755986857acSAnson Huang module will be called imx_sc_wdt. 756986857acSAnson Huang 75741b630f4SAnson Huangconfig IMX7ULP_WDT 75841b630f4SAnson Huang tristate "IMX7ULP Watchdog" 75941b630f4SAnson Huang depends on ARCH_MXC || COMPILE_TEST 76041b630f4SAnson Huang select WATCHDOG_CORE 76141b630f4SAnson Huang help 76241b630f4SAnson Huang This is the driver for the hardware watchdog on the Freescale 76341b630f4SAnson Huang IMX7ULP and later processors. If you have one of these 76441b630f4SAnson Huang processors and wish to have watchdog support enabled, 76541b630f4SAnson Huang say Y, otherwise say N. 76641b630f4SAnson Huang 76741b630f4SAnson Huang To compile this driver as a module, choose M here: the 76841b630f4SAnson Huang module will be called imx7ulp_wdt. 76941b630f4SAnson Huang 770d0305aacSLinus Walleijconfig DB500_WATCHDOG 771d0305aacSLinus Walleij tristate "ST-Ericsson DB800 watchdog" 7729297b652SArnd Bergmann depends on MFD_DB8500_PRCMU 773f0e5bd41SFabio Baltieri select WATCHDOG_CORE 774f0e5bd41SFabio Baltieri default y 775f0e5bd41SFabio Baltieri help 776f0e5bd41SFabio Baltieri Say Y here to include Watchdog timer support for the watchdog 777d0305aacSLinus Walleij existing in the prcmu of ST-Ericsson DB8500 platform. 778f0e5bd41SFabio Baltieri 779f0e5bd41SFabio Baltieri To compile this driver as a module, choose M here: the 780d0305aacSLinus Walleij module will be called db500_wdt. 781f0e5bd41SFabio Baltieri 7823d3a6d18SAaro Koskinenconfig RETU_WATCHDOG 7833d3a6d18SAaro Koskinen tristate "Retu watchdog" 7849ad82f11SArnd Bergmann depends on MFD_RETU 7853d3a6d18SAaro Koskinen select WATCHDOG_CORE 7863d3a6d18SAaro Koskinen help 7873d3a6d18SAaro Koskinen Retu watchdog driver for Nokia Internet Tablets (770, N800, 7883d3a6d18SAaro Koskinen N810). At least on N800 the watchdog cannot be disabled, so 7893d3a6d18SAaro Koskinen this driver is essential and you should enable it. 7903d3a6d18SAaro Koskinen 7913d3a6d18SAaro Koskinen To compile this driver as a module, choose M here: the 7923d3a6d18SAaro Koskinen module will be called retu_wdt. 7933d3a6d18SAaro Koskinen 794e14538e0SJonas Jensenconfig MOXART_WDT 795e14538e0SJonas Jensen tristate "MOXART watchdog" 796da2a68b3SGuenter Roeck depends on ARCH_MOXART || COMPILE_TEST 797e14538e0SJonas Jensen help 798e14538e0SJonas Jensen Say Y here to include Watchdog timer support for the watchdog 799e14538e0SJonas Jensen existing on the MOXA ART SoC series platforms. 800e14538e0SJonas Jensen 801e14538e0SJonas Jensen To compile this driver as a module, choose M here: the 802e14538e0SJonas Jensen module will be called moxart_wdt. 803e14538e0SJonas Jensen 804f27925a6SLee Jonesconfig ST_LPC_WATCHDOG 805f27925a6SLee Jones tristate "STMicroelectronics LPC Watchdog" 806da2a68b3SGuenter Roeck depends on ARCH_STI || COMPILE_TEST 807f27925a6SLee Jones depends on OF 808f27925a6SLee Jones select WATCHDOG_CORE 809f27925a6SLee Jones help 810f27925a6SLee Jones Say Y here to include STMicroelectronics Low Power Controller 811f27925a6SLee Jones (LPC) based Watchdog timer support. 812f27925a6SLee Jones 813f27925a6SLee Jones To compile this driver as a module, choose M here: the 814f27925a6SLee Jones module will be called st_lpc_wdt. 815f27925a6SLee Jones 816c33a1597SAndrew Chewconfig TEGRA_WATCHDOG 817c33a1597SAndrew Chew tristate "Tegra watchdog" 81871fd380aSChen Gang depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 819c33a1597SAndrew Chew select WATCHDOG_CORE 820c33a1597SAndrew Chew help 821c33a1597SAndrew Chew Say Y here to include support for the watchdog timer 822c33a1597SAndrew Chew embedded in NVIDIA Tegra SoCs. 823c33a1597SAndrew Chew 824c33a1597SAndrew Chew To compile this driver as a module, choose M here: the 825c33a1597SAndrew Chew module will be called tegra_wdt. 826c33a1597SAndrew Chew 8271094ebe9SJosh Cartwrightconfig QCOM_WDT 8281094ebe9SJosh Cartwright tristate "QCOM watchdog" 8291094ebe9SJosh Cartwright depends on HAS_IOMEM 830da2a68b3SGuenter Roeck depends on ARCH_QCOM || COMPILE_TEST 8311094ebe9SJosh Cartwright select WATCHDOG_CORE 8321094ebe9SJosh Cartwright help 8331094ebe9SJosh Cartwright Say Y here to include Watchdog timer support for the watchdog found 8341094ebe9SJosh Cartwright on QCOM chipsets. Currently supported targets are the MSM8960, 8351094ebe9SJosh Cartwright APQ8064, and IPQ8064. 8361094ebe9SJosh Cartwright 8371094ebe9SJosh Cartwright To compile this driver as a module, choose M here: the 8381094ebe9SJosh Cartwright module will be called qcom_wdt. 8391094ebe9SJosh Cartwright 840683fa50fSNeil Armstrongconfig MESON_GXBB_WATCHDOG 841683fa50fSNeil Armstrong tristate "Amlogic Meson GXBB SoCs watchdog support" 842da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 843683fa50fSNeil Armstrong select WATCHDOG_CORE 844683fa50fSNeil Armstrong help 845683fa50fSNeil Armstrong Say Y here to include support for the watchdog timer 846683fa50fSNeil Armstrong in Amlogic Meson GXBB SoCs. 847683fa50fSNeil Armstrong To compile this driver as a module, choose M here: the 848683fa50fSNeil Armstrong module will be called meson_gxbb_wdt. 849683fa50fSNeil Armstrong 85022e1b8f6SCarlo Caioneconfig MESON_WATCHDOG 85122e1b8f6SCarlo Caione tristate "Amlogic Meson SoCs watchdog support" 852da2a68b3SGuenter Roeck depends on ARCH_MESON || COMPILE_TEST 85322e1b8f6SCarlo Caione select WATCHDOG_CORE 85422e1b8f6SCarlo Caione help 85522e1b8f6SCarlo Caione Say Y here to include support for the watchdog timer 85622e1b8f6SCarlo Caione in Amlogic Meson SoCs. 85722e1b8f6SCarlo Caione To compile this driver as a module, choose M here: the 85822e1b8f6SCarlo Caione module will be called meson_wdt. 85922e1b8f6SCarlo Caione 860a44a4553SMatthias Bruggerconfig MEDIATEK_WATCHDOG 861a44a4553SMatthias Brugger tristate "Mediatek SoCs watchdog support" 862da2a68b3SGuenter Roeck depends on ARCH_MEDIATEK || COMPILE_TEST 863ab571cbcSKevin Hilman default ARCH_MEDIATEK 864a44a4553SMatthias Brugger select WATCHDOG_CORE 8655eee7c62SRandy Dunlap select RESET_CONTROLLER 866a44a4553SMatthias Brugger help 867a44a4553SMatthias Brugger Say Y here to include support for the watchdog timer 868a44a4553SMatthias Brugger in Mediatek SoCs. 869a44a4553SMatthias Brugger To compile this driver as a module, choose M here: the 870a44a4553SMatthias Brugger module will be called mtk_wdt. 871a44a4553SMatthias Brugger 872336694a0SBaruch Siachconfig DIGICOLOR_WATCHDOG 873336694a0SBaruch Siach tristate "Conexant Digicolor SoCs watchdog support" 874da2a68b3SGuenter Roeck depends on ARCH_DIGICOLOR || COMPILE_TEST 875336694a0SBaruch Siach select WATCHDOG_CORE 876336694a0SBaruch Siach help 877336694a0SBaruch Siach Say Y here to include support for the watchdog timer 878336694a0SBaruch Siach in Conexant Digicolor SoCs. 879336694a0SBaruch Siach To compile this driver as a module, choose M here: the 880336694a0SBaruch Siach module will be called digicolor_wdt. 881336694a0SBaruch Siach 88272a9e7feSJulius Wernerconfig ARM_SMC_WATCHDOG 88372a9e7feSJulius Werner tristate "ARM Secure Monitor Call based watchdog support" 88472a9e7feSJulius Werner depends on ARM || ARM64 88572a9e7feSJulius Werner depends on OF 88672a9e7feSJulius Werner depends on HAVE_ARM_SMCCC 88772a9e7feSJulius Werner select WATCHDOG_CORE 88872a9e7feSJulius Werner help 88972a9e7feSJulius Werner Say Y here to include support for a watchdog timer 89072a9e7feSJulius Werner implemented by the EL3 Secure Monitor on ARM platforms. 89172a9e7feSJulius Werner Requires firmware support. 89272a9e7feSJulius Werner To compile this driver as a module, choose M here: the 89372a9e7feSJulius Werner module will be called arm_smc_wdt. 89472a9e7feSJulius Werner 8957c25f8c9SAriel D'Alessandroconfig LPC18XX_WATCHDOG 8967c25f8c9SAriel D'Alessandro tristate "LPC18xx/43xx Watchdog" 8977c25f8c9SAriel D'Alessandro depends on ARCH_LPC18XX || COMPILE_TEST 898d42d6108SRichard Weinberger depends on HAS_IOMEM 8997c25f8c9SAriel D'Alessandro select WATCHDOG_CORE 9007c25f8c9SAriel D'Alessandro help 9017c25f8c9SAriel D'Alessandro Say Y here if to include support for the watchdog timer 9027c25f8c9SAriel D'Alessandro in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 9037c25f8c9SAriel D'Alessandro processors. 9047c25f8c9SAriel D'Alessandro To compile this driver as a module, choose M here: the 9057c25f8c9SAriel D'Alessandro module will be called lpc18xx_wdt. 9067c25f8c9SAriel D'Alessandro 907bd99b68eSWolfram Sangconfig RENESAS_WDT 908bd99b68eSWolfram Sang tristate "Renesas WDT Watchdog" 909bd99b68eSWolfram Sang depends on ARCH_RENESAS || COMPILE_TEST 910bd99b68eSWolfram Sang select WATCHDOG_CORE 911bd99b68eSWolfram Sang help 912bd99b68eSWolfram Sang This driver adds watchdog support for the integrated watchdogs in the 913bd99b68eSWolfram Sang Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 914bd99b68eSWolfram Sang 915aea24187SChris Brandtconfig RENESAS_RZAWDT 916aea24187SChris Brandt tristate "Renesas RZ/A WDT Watchdog" 917aea24187SChris Brandt depends on ARCH_RENESAS || COMPILE_TEST 918aea24187SChris Brandt select WATCHDOG_CORE 919aea24187SChris Brandt help 920aea24187SChris Brandt This driver adds watchdog support for the integrated watchdogs in the 921aea24187SChris Brandt Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 922aea24187SChris Brandt 923d65112f5SPhil Edworthyconfig RENESAS_RZN1WDT 924d65112f5SPhil Edworthy tristate "Renesas RZ/N1 watchdog" 925d65112f5SPhil Edworthy depends on ARCH_RENESAS || COMPILE_TEST 926d65112f5SPhil Edworthy select WATCHDOG_CORE 927d65112f5SPhil Edworthy help 928d65112f5SPhil Edworthy This driver adds watchdog support for the integrated watchdogs in the 929d65112f5SPhil Edworthy Renesas RZ/N1 SoCs. These watchdogs can be used to reset a system. 930d65112f5SPhil Edworthy 9312cbc5cd0SBiju Dasconfig RENESAS_RZG2LWDT 9322cbc5cd0SBiju Das tristate "Renesas RZ/G2L WDT Watchdog" 9332cbc5cd0SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 9342cbc5cd0SBiju Das select WATCHDOG_CORE 9352cbc5cd0SBiju Das help 9362cbc5cd0SBiju Das This driver adds watchdog support for the integrated watchdogs in the 9372cbc5cd0SBiju Das Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 9382cbc5cd0SBiju Das 939efa859f7SJoel Stanleyconfig ASPEED_WATCHDOG 9402050dd06SAndrew Jeffery tristate "Aspeed BMC watchdog support" 941efa859f7SJoel Stanley depends on ARCH_ASPEED || COMPILE_TEST 942efa859f7SJoel Stanley select WATCHDOG_CORE 943efa859f7SJoel Stanley help 944efa859f7SJoel Stanley Say Y here to include support for the watchdog timer 945ffff023aSAndrew Jeffery in Aspeed BMC SoCs. 946efa859f7SJoel Stanley 947efa859f7SJoel Stanley This driver is required to reboot the SoC. 948efa859f7SJoel Stanley 949efa859f7SJoel Stanley To compile this driver as a module, choose M here: the 950efa859f7SJoel Stanley module will be called aspeed_wdt. 951efa859f7SJoel Stanley 9524332d113SYannick Fertreconfig STM32_WATCHDOG 9534332d113SYannick Fertre tristate "STM32 Independent WatchDoG (IWDG) support" 954f1a43aadSRob Herring depends on ARCH_STM32 || COMPILE_TEST 9554332d113SYannick Fertre select WATCHDOG_CORE 9564332d113SYannick Fertre default y 9574332d113SYannick Fertre help 9584332d113SYannick Fertre Say Y here to include support for the watchdog timer 9594332d113SYannick Fertre in stm32 SoCs. 9604332d113SYannick Fertre 9614332d113SYannick Fertre To compile this driver as a module, choose M here: the 9624332d113SYannick Fertre module will be called stm32_iwdg. 9634332d113SYannick Fertre 96428804c2cSPascal PAILLET-LMEconfig STPMIC1_WATCHDOG 96528804c2cSPascal PAILLET-LME tristate "STPMIC1 PMIC watchdog support" 96628804c2cSPascal PAILLET-LME depends on MFD_STPMIC1 96728804c2cSPascal PAILLET-LME select WATCHDOG_CORE 96828804c2cSPascal PAILLET-LME help 96928804c2cSPascal PAILLET-LME Say Y here to include watchdog support embedded into STPMIC1 PMIC. 97028804c2cSPascal PAILLET-LME If the watchdog timer expires, stpmic1 will shut down all its power 97128804c2cSPascal PAILLET-LME supplies. 97228804c2cSPascal PAILLET-LME 97328804c2cSPascal PAILLET-LME To compile this driver as a module, choose M here: the 97428804c2cSPascal PAILLET-LME module will be called spmic1_wdt. 97528804c2cSPascal PAILLET-LME 976e7bf0289SKeiji Hayashibaraconfig UNIPHIER_WATCHDOG 977e7bf0289SKeiji Hayashibara tristate "UniPhier watchdog support" 978e7bf0289SKeiji Hayashibara depends on ARCH_UNIPHIER || COMPILE_TEST 979e7bf0289SKeiji Hayashibara depends on OF && MFD_SYSCON 980e7bf0289SKeiji Hayashibara select WATCHDOG_CORE 981e7bf0289SKeiji Hayashibara help 982e7bf0289SKeiji Hayashibara Say Y here to include support watchdog timer embedded 983e7bf0289SKeiji Hayashibara into the UniPhier system. 984e7bf0289SKeiji Hayashibara 985e7bf0289SKeiji Hayashibara To compile this driver as a module, choose M here: the 986e7bf0289SKeiji Hayashibara module will be called uniphier_wdt. 987e7bf0289SKeiji Hayashibara 9882bdf6acbSAndreas Färberconfig RTD119X_WATCHDOG 9892bdf6acbSAndreas Färber bool "Realtek RTD119x/RTD129x watchdog support" 9902bdf6acbSAndreas Färber depends on ARCH_REALTEK || COMPILE_TEST 9912bdf6acbSAndreas Färber depends on OF 9922bdf6acbSAndreas Färber select WATCHDOG_CORE 9932bdf6acbSAndreas Färber default ARCH_REALTEK 994b7e04f8cSWim Van Sebroeck help 9952bdf6acbSAndreas Färber Say Y here to include support for the watchdog timer in 9962bdf6acbSAndreas Färber Realtek RTD1295 SoCs. 9972bdf6acbSAndreas Färber 9987d7267aeSSander Vanheuleconfig REALTEK_OTTO_WDT 9997d7267aeSSander Vanheule tristate "Realtek Otto MIPS watchdog support" 10007d7267aeSSander Vanheule depends on MACH_REALTEK_RTL || COMPILE_TEST 10017d7267aeSSander Vanheule depends on COMMON_CLK 10027d7267aeSSander Vanheule select WATCHDOG_CORE 10037d7267aeSSander Vanheule default MACH_REALTEK_RTL 10047d7267aeSSander Vanheule help 10057d7267aeSSander Vanheule Say Y here to include support for the watchdog timer on Realtek 10067d7267aeSSander Vanheule RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 10077d7267aeSSander Vanheule notifications and system reset on timeout. 10087d7267aeSSander Vanheule 10097d7267aeSSander Vanheule When built as a module this will be called realtek_otto_wdt. 10107d7267aeSSander Vanheule 101147760346SEric Longconfig SPRD_WATCHDOG 101247760346SEric Long tristate "Spreadtrum watchdog support" 101347760346SEric Long depends on ARCH_SPRD || COMPILE_TEST 101447760346SEric Long select WATCHDOG_CORE 101547760346SEric Long help 101647760346SEric Long Say Y here to include watchdog timer supported 101747760346SEric Long by Spreadtrum system. 1018b7e04f8cSWim Van Sebroeck 1019969c0accSLoic Poulainconfig PM8916_WATCHDOG 1020969c0accSLoic Poulain tristate "QCOM PM8916 pmic watchdog" 1021969c0accSLoic Poulain depends on OF && MFD_SPMI_PMIC 1022969c0accSLoic Poulain select WATCHDOG_CORE 1023969c0accSLoic Poulain help 1024969c0accSLoic Poulain Say Y here to include support watchdog timer embedded into the 1025969c0accSLoic Poulain pm8916 module. 1026969c0accSLoic Poulain 1027c5b8e464SNobuhiro Iwamatsuconfig VISCONTI_WATCHDOG 1028c5b8e464SNobuhiro Iwamatsu tristate "Toshiba Visconti series watchdog support" 1029c5b8e464SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 1030c5b8e464SNobuhiro Iwamatsu select WATCHDOG_CORE 1031c5b8e464SNobuhiro Iwamatsu help 1032c5b8e464SNobuhiro Iwamatsu Say Y here to include support for the watchdog timer in Toshiba 1033c5b8e464SNobuhiro Iwamatsu Visconti SoCs. 1034c5b8e464SNobuhiro Iwamatsu 1035e9800b79SDaniel Palmerconfig MSC313E_WATCHDOG 1036e9800b79SDaniel Palmer tristate "MStar MSC313e watchdog" 1037e9800b79SDaniel Palmer depends on ARCH_MSTARV7 || COMPILE_TEST 1038e9800b79SDaniel Palmer select WATCHDOG_CORE 1039e9800b79SDaniel Palmer help 1040e9800b79SDaniel Palmer Say Y here to include support for the Watchdog timer embedded 1041e9800b79SDaniel Palmer into MStar MSC313e chips. This will reboot your system when the 1042e9800b79SDaniel Palmer timeout is reached. 1043e9800b79SDaniel Palmer 1044e9800b79SDaniel Palmer To compile this driver as a module, choose M here: the 1045e9800b79SDaniel Palmer module will be called msc313e_wdt. 1046e9800b79SDaniel Palmer 10474ed224aeSSven Peterconfig APPLE_WATCHDOG 10484ed224aeSSven Peter tristate "Apple SoC watchdog" 10494ed224aeSSven Peter depends on ARCH_APPLE || COMPILE_TEST 10504ed224aeSSven Peter select WATCHDOG_CORE 10514ed224aeSSven Peter help 10524ed224aeSSven Peter Say Y here to include support for the Watchdog found in Apple 10534ed224aeSSven Peter SoCs such as the M1. Next to the common watchdog features this 10544ed224aeSSven Peter driver is also required in order to reboot these SoCs. 10554ed224aeSSven Peter 10564ed224aeSSven Peter To compile this driver as a module, choose M here: the 10574ed224aeSSven Peter module will be called apple_wdt. 10584ed224aeSSven Peter 1059daf42866SXiantao Huconfig SUNPLUS_WATCHDOG 1060daf42866SXiantao Hu tristate "Sunplus watchdog support" 1061daf42866SXiantao Hu depends on ARCH_SUNPLUS || COMPILE_TEST 1062daf42866SXiantao Hu select WATCHDOG_CORE 1063daf42866SXiantao Hu help 1064daf42866SXiantao Hu Say Y here to include support for the watchdog timer 1065daf42866SXiantao Hu in Sunplus SoCs. 1066daf42866SXiantao Hu 1067daf42866SXiantao Hu To compile this driver as a module, choose M here: the 1068daf42866SXiantao Hu module will be called sunplus_wdt. 1069daf42866SXiantao Hu 1070b7e04f8cSWim Van Sebroeck# X86 (i386 + ia64 + x86_64) Architecture 1071b7e04f8cSWim Van Sebroeck 1072b7e04f8cSWim Van Sebroeckconfig ACQUIRE_WDT 1073b7e04f8cSWim Van Sebroeck tristate "Acquire SBC Watchdog Timer" 1074b7e04f8cSWim Van Sebroeck depends on X86 1075a7f7f624SMasahiro Yamada help 1076b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on Single Board 1077b7e04f8cSWim Van Sebroeck Computers produced by Acquire Inc (and others). This watchdog 1078b7e04f8cSWim Van Sebroeck simply watches your kernel to make sure it doesn't freeze, and if 1079b7e04f8cSWim Van Sebroeck it does, it reboots your computer after a certain amount of time. 1080b7e04f8cSWim Van Sebroeck 1081b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1082b7e04f8cSWim Van Sebroeck module will be called acquirewdt. 1083b7e04f8cSWim Van Sebroeck 1084b7e04f8cSWim Van Sebroeck Most people will say N. 1085b7e04f8cSWim Van Sebroeck 1086b7e04f8cSWim Van Sebroeckconfig ADVANTECH_WDT 1087b7e04f8cSWim Van Sebroeck tristate "Advantech SBC Watchdog Timer" 1088f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1089b7e04f8cSWim Van Sebroeck help 1090b7e04f8cSWim Van Sebroeck If you are configuring a Linux kernel for the Advantech single-board 1091b7e04f8cSWim Van Sebroeck computer, say `Y' here to support its built-in watchdog timer 1092b7e04f8cSWim Van Sebroeck feature. More information can be found at 10932ab77a34SAlexander A. Klimov <https://www.advantech.com.tw/products/> 1094b7e04f8cSWim Van Sebroeck 109508435c2aSThomas Kastnerconfig ADVANTECH_EC_WDT 109608435c2aSThomas Kastner tristate "Advantech Embedded Controller Watchdog Timer" 1097f1a43aadSRob Herring depends on X86 || COMPILE_TEST 10986eb28a38SFlorent CARLI select ISA_BUS_API 10996eb28a38SFlorent CARLI select WATCHDOG_CORE 110008435c2aSThomas Kastner help 110108435c2aSThomas Kastner This driver supports Advantech products with ITE based Embedded Controller. 110208435c2aSThomas Kastner It does not support Advantech products with other ECs or without EC. 110308435c2aSThomas Kastner 1104b7e04f8cSWim Van Sebroeckconfig ALIM1535_WDT 1105b7e04f8cSWim Van Sebroeck tristate "ALi M1535 PMU Watchdog Timer" 1106f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1107a7f7f624SMasahiro Yamada help 1108b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M1535 PMU. 1109b7e04f8cSWim Van Sebroeck 1110b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1111b7e04f8cSWim Van Sebroeck module will be called alim1535_wdt. 1112b7e04f8cSWim Van Sebroeck 1113b7e04f8cSWim Van Sebroeck Most people will say N. 1114b7e04f8cSWim Van Sebroeck 1115b7e04f8cSWim Van Sebroeckconfig ALIM7101_WDT 1116b7e04f8cSWim Van Sebroeck tristate "ALi M7101 PMU Computer Watchdog" 1117bdd87354SAlexander Clouter depends on PCI 1118b7e04f8cSWim Van Sebroeck help 1119b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the ALi M7101 PMU 1120bdd87354SAlexander Clouter as used in the x86 Cobalt servers and also found in some 1121bdd87354SAlexander Clouter SPARC Netra servers too. 1122b7e04f8cSWim Van Sebroeck 1123b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1124b7e04f8cSWim Van Sebroeck module will be called alim7101_wdt. 1125b7e04f8cSWim Van Sebroeck 1126b7e04f8cSWim Van Sebroeck Most people will say N. 1127b7e04f8cSWim Van Sebroeck 1128c36a483dSWilliam Breathitt Grayconfig EBC_C384_WDT 1129c36a483dSWilliam Breathitt Gray tristate "WinSystems EBC-C384 Watchdog Timer" 1130f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1131ccfe35eaSWilliam Breathitt Gray select ISA_BUS_API 1132c36a483dSWilliam Breathitt Gray select WATCHDOG_CORE 1133c36a483dSWilliam Breathitt Gray help 1134c36a483dSWilliam Breathitt Gray Enables watchdog timer support for the watchdog timer on the 1135c36a483dSWilliam Breathitt Gray WinSystems EBC-C384 motherboard. The timeout may be configured via 1136c36a483dSWilliam Breathitt Gray the timeout module parameter. 1137c36a483dSWilliam Breathitt Gray 113881126222SDavid Müllerconfig EXAR_WDT 113981126222SDavid Müller tristate "Exar Watchdog Timer" 1140f1a43aadSRob Herring depends on X86 || COMPILE_TEST 114181126222SDavid Müller select WATCHDOG_CORE 114281126222SDavid Müller help 114381126222SDavid Müller Enables watchdog timer support for the watchdog timer present 114481126222SDavid Müller in some Exar/MaxLinear UART chips like the XR28V38x. 114581126222SDavid Müller 114681126222SDavid Müller To compile this driver as a module, choose M here: the 114781126222SDavid Müller module will be called exar_wdt. 114881126222SDavid Müller 114996cb4eb0SGiel van Schijndelconfig F71808E_WDT 1150166fbcf8SMaciej S. Szmigiero tristate "Fintek F718xx, F818xx Super I/O Watchdog" 1151f1a43aadSRob Herring depends on X86 || COMPILE_TEST 11528bea27edSAhmad Fatoum select WATCHDOG_CORE 115396cb4eb0SGiel van Schijndel help 1154166fbcf8SMaciej S. Szmigiero This is the driver for the hardware watchdog on the Fintek F71808E, 1155ca2fc5efSJaret Cantu F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 1156ca2fc5efSJaret Cantu F81866 Super I/O controllers. 115796cb4eb0SGiel van Schijndel 115896cb4eb0SGiel van Schijndel You can compile this driver directly into the kernel, or use 115996cb4eb0SGiel van Schijndel it as a module. The module will be called f71808e_wdt. 116096cb4eb0SGiel van Schijndel 116115e28bf1SPriyanka Guptaconfig SP5100_TCO 116215e28bf1SPriyanka Gupta tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 1163f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1164a17f4f03SWim Van Sebroeck select WATCHDOG_CORE 1165a7f7f624SMasahiro Yamada help 116615e28bf1SPriyanka Gupta Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 116715e28bf1SPriyanka Gupta (Total Cost of Ownership) timer is a watchdog timer that will reboot 116815e28bf1SPriyanka Gupta the machine after its expiration. The expiration time can be 116915e28bf1SPriyanka Gupta configured with the "heartbeat" parameter. 117015e28bf1SPriyanka Gupta 117115e28bf1SPriyanka Gupta To compile this driver as a module, choose M here: the 117215e28bf1SPriyanka Gupta module will be called sp5100_tco. 117396cb4eb0SGiel van Schijndel 11740b36086bSJordan Crouseconfig GEODE_WDT 11750b36086bSJordan Crouse tristate "AMD Geode CS5535/CS5536 Watchdog" 11760369fdf2SArnd Bergmann depends on CS5535_MFGPT 11770b36086bSJordan Crouse help 11780b36086bSJordan Crouse This driver enables a watchdog capability built into the 11790b36086bSJordan Crouse CS5535/CS5536 companion chips for the AMD Geode GX and LX 11800b36086bSJordan Crouse processors. This watchdog watches your kernel to make sure 11810b36086bSJordan Crouse it doesn't freeze, and if it does, it reboots your computer after 11820b36086bSJordan Crouse a certain amount of time. 11830b36086bSJordan Crouse 11840b36086bSJordan Crouse You can compile this driver directly into the kernel, or use 11850b36086bSJordan Crouse it as a module. The module will be called geodewdt. 11860b36086bSJordan Crouse 1187b7e04f8cSWim Van Sebroeckconfig SC520_WDT 1188b7e04f8cSWim Van Sebroeck tristate "AMD Elan SC520 processor Watchdog" 1189da2a68b3SGuenter Roeck depends on MELAN || COMPILE_TEST 1190b7e04f8cSWim Van Sebroeck help 1191b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog built in to the 1192b7e04f8cSWim Van Sebroeck AMD "Elan" SC520 microcomputer commonly used in embedded systems. 1193b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1194b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1195b7e04f8cSWim Van Sebroeck amount of time. 1196b7e04f8cSWim Van Sebroeck 1197b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1198b7e04f8cSWim Van Sebroeck it as a module. The module will be called sc520_wdt. 1199b7e04f8cSWim Van Sebroeck 12003a5f9000SDenis Turischevconfig SBC_FITPC2_WATCHDOG 12013a5f9000SDenis Turischev tristate "Compulab SBC-FITPC2 watchdog" 1202f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1203a7f7f624SMasahiro Yamada help 1204ef39a1bfSDenis Turischev This is the driver for the built-in watchdog timer on the fit-PC2, 1205ef39a1bfSDenis Turischev fit-PC2i, CM-iAM single-board computers made by Compulab. 12063a5f9000SDenis Turischev 120701028829SRandy Dunlap It's possible to enable the watchdog timer either from BIOS (F2) or 120801028829SRandy Dunlap from booted Linux. 120901028829SRandy Dunlap When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 121001028829SRandy Dunlap operational range. 12113a5f9000SDenis Turischev 121201028829SRandy Dunlap Entering BIOS setup temporarily disables watchdog operation regardless 121301028829SRandy Dunlap of current state, so system will not be restarted while user is in 121401028829SRandy Dunlap BIOS setup. 12153a5f9000SDenis Turischev 121601028829SRandy Dunlap Once the watchdog is enabled the system will be restarted every 12173a5f9000SDenis Turischev "Watchdog Timer Value" period, so to prevent it user can restart or 12183a5f9000SDenis Turischev disable the watchdog. 12193a5f9000SDenis Turischev 12203a5f9000SDenis Turischev To compile this driver as a module, choose M here: the 12213a5f9000SDenis Turischev module will be called sbc_fitpc2_wdt. 12223a5f9000SDenis Turischev 12233a5f9000SDenis Turischev Most people will say N. 12243a5f9000SDenis Turischev 1225b7e04f8cSWim Van Sebroeckconfig EUROTECH_WDT 1226b7e04f8cSWim Van Sebroeck tristate "Eurotech CPU-1220/1410 Watchdog Timer" 1227f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1228b7e04f8cSWim Van Sebroeck help 1229b7e04f8cSWim Van Sebroeck Enable support for the watchdog timer on the Eurotech CPU-1220 and 1230b7e04f8cSWim Van Sebroeck CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 1231b7e04f8cSWim Van Sebroeck information are at <http://www.eurotech.it/>. 1232b7e04f8cSWim Van Sebroeck 1233b7e04f8cSWim Van Sebroeckconfig IB700_WDT 1234b7e04f8cSWim Van Sebroeck tristate "IB700 SBC Watchdog Timer" 1235f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1236a7f7f624SMasahiro Yamada help 1237b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the IB700 Single 123801028829SRandy Dunlap Board Computer produced by TMC Technology (www.tmc-uk.com). This 123901028829SRandy Dunlap watchdog simply watches your kernel to make sure it doesn't freeze, 124001028829SRandy Dunlap and if it does, it reboots your computer after a certain amount of time. 1241b7e04f8cSWim Van Sebroeck 124201028829SRandy Dunlap This driver is like the WDT501 driver but for slightly different 124301028829SRandy Dunlap hardware. 1244b7e04f8cSWim Van Sebroeck 1245b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1246b7e04f8cSWim Van Sebroeck module will be called ib700wdt. 1247b7e04f8cSWim Van Sebroeck 1248b7e04f8cSWim Van Sebroeck Most people will say N. 1249b7e04f8cSWim Van Sebroeck 1250b7e04f8cSWim Van Sebroeckconfig IBMASR 1251b7e04f8cSWim Van Sebroeck tristate "IBM Automatic Server Restart" 1252f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1253b7e04f8cSWim Van Sebroeck help 1254b7e04f8cSWim Van Sebroeck This is the driver for the IBM Automatic Server Restart watchdog 1255b7e04f8cSWim Van Sebroeck timer built-in into some eServer xSeries machines. 1256b7e04f8cSWim Van Sebroeck 1257b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1258b7e04f8cSWim Van Sebroeck module will be called ibmasr. 1259b7e04f8cSWim Van Sebroeck 1260b7e04f8cSWim Van Sebroeckconfig WAFER_WDT 126101ed08c1SVeljkovic Srdjan tristate "ICP Single Board Computer Watchdog Timer" 1262f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1263b7e04f8cSWim Van Sebroeck help 126401ed08c1SVeljkovic Srdjan This is a driver for the hardware watchdog on the ICP Single 126501ed08c1SVeljkovic Srdjan Board Computer. This driver is working on (at least) the following 126601ed08c1SVeljkovic Srdjan IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 1267b7e04f8cSWim Van Sebroeck 1268b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1269b7e04f8cSWim Van Sebroeck module will be called wafer5823wdt. 1270b7e04f8cSWim Van Sebroeck 1271b7e04f8cSWim Van Sebroeckconfig I6300ESB_WDT 1272b7e04f8cSWim Van Sebroeck tristate "Intel 6300ESB Timer/Watchdog" 12737050bd54SMichael Olbrich depends on PCI 12747e2e5158SMatteo Croce select WATCHDOG_CORE 1275a7f7f624SMasahiro Yamada help 1276b7e04f8cSWim Van Sebroeck Hardware driver for the watchdog timer built into the Intel 1277b7e04f8cSWim Van Sebroeck 6300ESB controller hub. 1278b7e04f8cSWim Van Sebroeck 1279b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1280b7e04f8cSWim Van Sebroeck module will be called i6300esb. 1281b7e04f8cSWim Van Sebroeck 1282101ce87bSAlexander Steinconfig IE6XX_WDT 1283101ce87bSAlexander Stein tristate "Intel Atom E6xx Watchdog" 1284f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1285101ce87bSAlexander Stein select WATCHDOG_CORE 1286101ce87bSAlexander Stein select MFD_CORE 1287101ce87bSAlexander Stein select LPC_SCH 1288a7f7f624SMasahiro Yamada help 1289101ce87bSAlexander Stein Hardware driver for the watchdog timer built into the Intel 1290101ce87bSAlexander Stein Atom E6XX (TunnelCreek) processor. 1291101ce87bSAlexander Stein 1292101ce87bSAlexander Stein To compile this driver as a module, choose M here: the 1293101ce87bSAlexander Stein module will be called ie6xx_wdt. 1294101ce87bSAlexander Stein 129587a1ef80SDavid Cohenconfig INTEL_MID_WATCHDOG 129687a1ef80SDavid Cohen tristate "Intel MID Watchdog Timer" 129787a1ef80SDavid Cohen depends on X86_INTEL_MID 129887a1ef80SDavid Cohen select WATCHDOG_CORE 1299a7f7f624SMasahiro Yamada help 130087a1ef80SDavid Cohen Watchdog timer driver built into the Intel SCU for Intel MID 130187a1ef80SDavid Cohen Platforms. 130287a1ef80SDavid Cohen 130387a1ef80SDavid Cohen This driver currently supports only the watchdog evolution 130487a1ef80SDavid Cohen implementation in SCU, available for Merrifield generation. 130587a1ef80SDavid Cohen 130687a1ef80SDavid Cohen To compile this driver as a module, choose M here. 130787a1ef80SDavid Cohen 1308b7e04f8cSWim Van Sebroeckconfig ITCO_WDT 1309b7e04f8cSWim Van Sebroeck tristate "Intel TCO Timer/Watchdog" 1310cf8e8658SArd Biesheuvel depends on X86 && PCI 1311bff23431SWim Van Sebroeck select WATCHDOG_CORE 13123cef072dSGuenter Roeck depends on I2C || I2C=n 1313b30c1a46SArnd Bergmann depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 13142a7a0e9bSMatt Fleming select LPC_ICH if !EXPERT 13153cef072dSGuenter Roeck select I2C_I801 if !EXPERT && I2C 1316a7f7f624SMasahiro Yamada help 1317b7e04f8cSWim Van Sebroeck Hardware driver for the intel TCO timer based watchdog devices. 1318b7e04f8cSWim Van Sebroeck These drivers are included in the Intel 82801 I/O Controller 131912d60e28SWim Van Sebroeck Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 1320b7e04f8cSWim Van Sebroeck controller hub. 1321b7e04f8cSWim Van Sebroeck 1322b7e04f8cSWim Van Sebroeck The TCO (Total Cost of Ownership) timer is a watchdog timer 1323b7e04f8cSWim Van Sebroeck that will reboot the machine after its second expiration. The 1324b7e04f8cSWim Van Sebroeck expiration time can be configured with the "heartbeat" parameter. 1325b7e04f8cSWim Van Sebroeck 1326b7e04f8cSWim Van Sebroeck On some motherboards the driver may fail to reset the chipset's 1327b7e04f8cSWim Van Sebroeck NO_REBOOT flag which prevents the watchdog from rebooting the 1328b7e04f8cSWim Van Sebroeck machine. If this is the case you will get a kernel message like 1329b7e04f8cSWim Van Sebroeck "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1330b7e04f8cSWim Van Sebroeck 1331b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1332b7e04f8cSWim Van Sebroeck module will be called iTCO_wdt. 1333b7e04f8cSWim Van Sebroeck 1334b7e04f8cSWim Van Sebroeckconfig ITCO_VENDOR_SUPPORT 1335b7e04f8cSWim Van Sebroeck bool "Intel TCO Timer/Watchdog Specific Vendor Support" 1336b7e04f8cSWim Van Sebroeck depends on ITCO_WDT 1337a7f7f624SMasahiro Yamada help 1338b7e04f8cSWim Van Sebroeck Add vendor specific support to the intel TCO timer based watchdog 1339b7e04f8cSWim Van Sebroeck devices. At this moment we only have additional support for some 1340b7e04f8cSWim Van Sebroeck SuperMicro Inc. motherboards. 1341b7e04f8cSWim Van Sebroeck 134238ff6fd2SJorge Boncompte [DTI2]config IT8712F_WDT 134338ff6fd2SJorge Boncompte [DTI2] tristate "IT8712F (Smart Guardian) Watchdog Timer" 1344f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1345a7f7f624SMasahiro Yamada help 134638ff6fd2SJorge Boncompte [DTI2] This is the driver for the built-in watchdog timer on the IT8712F 134738ff6fd2SJorge Boncompte [DTI2] Super I/0 chipset used on many motherboards. 134838ff6fd2SJorge Boncompte [DTI2] 13494fc36808SWim Van Sebroeck If the driver does not work, then make sure that the game port in 13504fc36808SWim Van Sebroeck the BIOS is enabled. 13514fc36808SWim Van Sebroeck 135238ff6fd2SJorge Boncompte [DTI2] To compile this driver as a module, choose M here: the 135338ff6fd2SJorge Boncompte [DTI2] module will be called it8712f_wdt. 135438ff6fd2SJorge Boncompte [DTI2] 1355e1fee94fSOliver Schusterconfig IT87_WDT 1356e1fee94fSOliver Schuster tristate "IT87 Watchdog Timer" 1357f1a43aadSRob Herring depends on X86 || COMPILE_TEST 13581d7b8039SGuenter Roeck select WATCHDOG_CORE 1359a7f7f624SMasahiro Yamada help 1360cddda07cSGuenter Roeck This is the driver for the hardware watchdog on the ITE IT8607, 1361cddda07cSGuenter Roeck IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 1362cddda07cSGuenter Roeck IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 1363cddda07cSGuenter Roeck IT8783 Super I/O chips. 1364198ca015SDiego Elio Pettenò 1365dfb0b8eaSOndrej Zajicek This watchdog simply watches your kernel to make sure it doesn't 1366dfb0b8eaSOndrej Zajicek freeze, and if it does, it reboots your computer after a certain 1367dfb0b8eaSOndrej Zajicek amount of time. 1368e1fee94fSOliver Schuster 1369e1fee94fSOliver Schuster To compile this driver as a module, choose M here: the module will 1370e1fee94fSOliver Schuster be called it87_wdt. 1371e1fee94fSOliver Schuster 13727f4da474SThomas Mingarelliconfig HP_WATCHDOG 1373ea6649c7SNaga Chumbalkar tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 1374d0a4027fSJerry Hoemann select WATCHDOG_CORE 1375f1a43aadSRob Herring depends on (ARM64 || X86 || COMPILE_TEST) && PCI 13767f4da474SThomas Mingarelli help 137700fd20b4SJerry Hoemann A software monitoring watchdog and NMI handling driver. This driver 137886ded1f3Sdann frazier will detect lockups and provide a stack trace. This is a driver that 1379ea6649c7SNaga Chumbalkar will only load on an HP ProLiant system with a minimum of iLO2 support. 138086ded1f3Sdann frazier To compile this driver as a module, choose M here: the module will be 138186ded1f3Sdann frazier called hpwdt. 138286ded1f3Sdann frazier 1383345f1625SGuenter Roeckconfig HPWDT_NMI_DECODING 1384345f1625SGuenter Roeck bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 1385891862d5SJerry Hoemann depends on X86 && HP_WATCHDOG 1386345f1625SGuenter Roeck default y 1387345f1625SGuenter Roeck help 1388345f1625SGuenter Roeck Enables the NMI handler for the watchdog pretimeout NMI and the iLO 1389345f1625SGuenter Roeck "Generate NMI to System" virtual button. When an NMI is claimed 1390345f1625SGuenter Roeck by the driver, panic is called. 1391345f1625SGuenter Roeck 1392e51c288eSKevin Strasserconfig KEMPLD_WDT 1393e51c288eSKevin Strasser tristate "Kontron COM Watchdog Timer" 1394ed4a9ecaSArnd Bergmann depends on MFD_KEMPLD 1395e51c288eSKevin Strasser select WATCHDOG_CORE 1396e51c288eSKevin Strasser help 1397e51c288eSKevin Strasser Support for the PLD watchdog on some Kontron ETX and COMexpress 1398e51c288eSKevin Strasser (ETXexpress) modules 1399e51c288eSKevin Strasser 1400e51c288eSKevin Strasser This driver can also be built as a module. If so, the module will be 1401e51c288eSKevin Strasser called kempld_wdt. 1402e51c288eSKevin Strasser 1403b7e04f8cSWim Van Sebroeckconfig SC1200_WDT 1404b7e04f8cSWim Van Sebroeck tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 1405f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1406b7e04f8cSWim Van Sebroeck help 1407b7e04f8cSWim Van Sebroeck This is a driver for National Semiconductor PC87307/PC97307 hardware 1408b7e04f8cSWim Van Sebroeck watchdog cards as found on the SC1200. This watchdog is mainly used 1409b7e04f8cSWim Van Sebroeck for power management purposes and can be used to power down the device 1410b7e04f8cSWim Van Sebroeck during inactivity periods (includes interrupt activity monitoring). 1411b7e04f8cSWim Van Sebroeck 1412b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1413b7e04f8cSWim Van Sebroeck module will be called sc1200wdt. 1414b7e04f8cSWim Van Sebroeck 1415b7e04f8cSWim Van Sebroeck Most people will say N. 1416b7e04f8cSWim Van Sebroeck 1417b7e04f8cSWim Van Sebroeckconfig SCx200_WDT 1418b7e04f8cSWim Van Sebroeck tristate "National Semiconductor SCx200 Watchdog" 1419b7e04f8cSWim Van Sebroeck depends on SCx200 && PCI 1420b7e04f8cSWim Van Sebroeck help 1421b7e04f8cSWim Van Sebroeck Enable the built-in watchdog timer support on the National 1422b7e04f8cSWim Van Sebroeck Semiconductor SCx200 processors. 1423b7e04f8cSWim Van Sebroeck 1424b7e04f8cSWim Van Sebroeck If compiled as a module, it will be called scx200_wdt. 1425b7e04f8cSWim Van Sebroeck 1426b7e04f8cSWim Van Sebroeckconfig PC87413_WDT 1427b7e04f8cSWim Van Sebroeck tristate "NS PC87413 watchdog" 1428f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1429a7f7f624SMasahiro Yamada help 1430b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the PC87413 chipset 1431b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1432b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1433b7e04f8cSWim Van Sebroeck amount of time. 1434b7e04f8cSWim Van Sebroeck 1435b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1436b7e04f8cSWim Van Sebroeck module will be called pc87413_wdt. 1437b7e04f8cSWim Van Sebroeck 1438b7e04f8cSWim Van Sebroeck Most people will say N. 1439b7e04f8cSWim Van Sebroeck 1440456c7301SMike Waychisonconfig NV_TCO 1441456c7301SMike Waychison tristate "nVidia TCO Timer/Watchdog" 1442f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1443a7f7f624SMasahiro Yamada help 1444456c7301SMike Waychison Hardware driver for the TCO timer built into the nVidia Hub family 1445456c7301SMike Waychison (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 1446456c7301SMike Waychison watchdog timer that will reboot the machine after its second 1447456c7301SMike Waychison expiration. The expiration time can be configured with the 1448456c7301SMike Waychison "heartbeat" parameter. 1449456c7301SMike Waychison 1450456c7301SMike Waychison On some motherboards the driver may fail to reset the chipset's 1451456c7301SMike Waychison NO_REBOOT flag which prevents the watchdog from rebooting the 1452456c7301SMike Waychison machine. If this is the case you will get a kernel message like 1453456c7301SMike Waychison "failed to reset NO_REBOOT flag, reboot disabled by hardware". 1454456c7301SMike Waychison 1455456c7301SMike Waychison To compile this driver as a module, choose M here: the 1456456c7301SMike Waychison module will be called nv_tco. 1457456c7301SMike Waychison 1458b3e8f2c1SFlorian Fainelliconfig RDC321X_WDT 1459b3e8f2c1SFlorian Fainelli tristate "RDC R-321x SoC watchdog" 1460da2a68b3SGuenter Roeck depends on X86_RDC321X || COMPILE_TEST 14618751f90cSGuenter Roeck depends on PCI 1462b3e8f2c1SFlorian Fainelli help 1463b3e8f2c1SFlorian Fainelli This is the driver for the built in hardware watchdog 1464b3e8f2c1SFlorian Fainelli in the RDC R-321x SoC. 1465b3e8f2c1SFlorian Fainelli 1466b3e8f2c1SFlorian Fainelli To compile this driver as a module, choose M here: the 1467b3e8f2c1SFlorian Fainelli module will be called rdc321x_wdt. 1468b3e8f2c1SFlorian Fainelli 1469b7e04f8cSWim Van Sebroeckconfig 60XX_WDT 1470b7e04f8cSWim Van Sebroeck tristate "SBC-60XX Watchdog Timer" 1471f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1472b7e04f8cSWim Van Sebroeck help 1473b7e04f8cSWim Van Sebroeck This driver can be used with the watchdog timer found on some 1474b7e04f8cSWim Van Sebroeck single board computers, namely the 6010 PII based computer. 1475b7e04f8cSWim Van Sebroeck It may well work with other cards. It reads port 0x443 to enable 1476b7e04f8cSWim Van Sebroeck and re-set the watchdog timer, and reads port 0x45 to disable 1477b7e04f8cSWim Van Sebroeck the watchdog. If you have a card that behave in similar ways, 1478b7e04f8cSWim Van Sebroeck you can probably make this driver work with your card as well. 1479b7e04f8cSWim Van Sebroeck 1480b7e04f8cSWim Van Sebroeck You can compile this driver directly into the kernel, or use 1481b7e04f8cSWim Van Sebroeck it as a module. The module will be called sbc60xxwdt. 1482b7e04f8cSWim Van Sebroeck 1483b7e04f8cSWim Van Sebroeckconfig SBC8360_WDT 1484b7e04f8cSWim Van Sebroeck tristate "SBC8360 Watchdog Timer" 14851e8c8a5bSJean Delvare depends on X86_32 1486a7f7f624SMasahiro Yamada help 1487b7e04f8cSWim Van Sebroeck 1488b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the SBC8360 Single 1489b7e04f8cSWim Van Sebroeck Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 1490b7e04f8cSWim Van Sebroeck 1491b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 14924737f097SPavel Machek module will be called sbc8360. 1493b7e04f8cSWim Van Sebroeck 1494b7e04f8cSWim Van Sebroeck Most people will say N. 1495b7e04f8cSWim Van Sebroeck 1496c4c28335SGilles Giganconfig SBC7240_WDT 1497c4c28335SGilles Gigan tristate "SBC Nano 7240 Watchdog Timer" 14983369465eSAl Viro depends on X86_32 && !UML 1499a7f7f624SMasahiro Yamada help 1500c4c28335SGilles Gigan This is the driver for the hardware watchdog found on the IEI 1501c4c28335SGilles Gigan single board computers EPIC Nano 7240 (and likely others). This 1502c4c28335SGilles Gigan watchdog simply watches your kernel to make sure it doesn't freeze, 1503c4c28335SGilles Gigan and if it does, it reboots your computer after a certain amount of 1504c4c28335SGilles Gigan time. 1505c4c28335SGilles Gigan 1506c4c28335SGilles Gigan To compile this driver as a module, choose M here: the 1507c4c28335SGilles Gigan module will be called sbc7240_wdt. 1508c4c28335SGilles Gigan 1509b7e04f8cSWim Van Sebroeckconfig CPU5_WDT 1510b7e04f8cSWim Van Sebroeck tristate "SMA CPU5 Watchdog" 1511f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1512a7f7f624SMasahiro Yamada help 1513b7e04f8cSWim Van Sebroeck TBD. 1514b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1515b7e04f8cSWim Van Sebroeck module will be called cpu5wdt. 1516b7e04f8cSWim Van Sebroeck 15174c6e63bdSWim Van Sebroeckconfig SMSC_SCH311X_WDT 15184c6e63bdSWim Van Sebroeck tristate "SMSC SCH311X Watchdog Timer" 1519f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1520a7f7f624SMasahiro Yamada help 15214c6e63bdSWim Van Sebroeck This is the driver for the hardware watchdog timer on the 15224c6e63bdSWim Van Sebroeck SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 15234c6e63bdSWim Van Sebroeck (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 15244c6e63bdSWim Van Sebroeck serial ports). 15254c6e63bdSWim Van Sebroeck 15264c6e63bdSWim Van Sebroeck To compile this driver as a module, choose M here: the 15274c6e63bdSWim Van Sebroeck module will be called sch311x_wdt. 15284c6e63bdSWim Van Sebroeck 1529b7e04f8cSWim Van Sebroeckconfig SMSC37B787_WDT 1530b7e04f8cSWim Van Sebroeck tristate "Winbond SMsC37B787 Watchdog Timer" 1531f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1532a7f7f624SMasahiro Yamada help 1533b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog component on the 1534b7e04f8cSWim Van Sebroeck Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 1535b7e04f8cSWim Van Sebroeck from Vision Systems and maybe others. 1536b7e04f8cSWim Van Sebroeck 1537b7e04f8cSWim Van Sebroeck This watchdog simply watches your kernel to make sure it doesn't 1538b7e04f8cSWim Van Sebroeck freeze, and if it does, it reboots your computer after a certain 1539b7e04f8cSWim Van Sebroeck amount of time. 1540b7e04f8cSWim Van Sebroeck 1541b7e04f8cSWim Van Sebroeck Usually a userspace daemon will notify the kernel WDT driver that 1542b7e04f8cSWim Van Sebroeck userspace is still alive, at regular intervals. 1543b7e04f8cSWim Van Sebroeck 1544b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1545b7e04f8cSWim Van Sebroeck module will be called smsc37b787_wdt. 1546b7e04f8cSWim Van Sebroeck 1547b7e04f8cSWim Van Sebroeck Most people will say N. 1548b7e04f8cSWim Van Sebroeck 1549e3c21e08SAndrew Lunnconfig TQMX86_WDT 1550e3c21e08SAndrew Lunn tristate "TQ-Systems TQMX86 Watchdog Timer" 1551f1a43aadSRob Herring depends on X86 || COMPILE_TEST 15529a6c274aSYueHaibing select WATCHDOG_CORE 1553e3c21e08SAndrew Lunn help 1554e3c21e08SAndrew Lunn This is the driver for the hardware watchdog timer in the TQMX86 IO 1555e3c21e08SAndrew Lunn controller found on some of their ComExpress Modules. 1556e3c21e08SAndrew Lunn 1557e3c21e08SAndrew Lunn To compile this driver as a module, choose M here; the module 1558e3c21e08SAndrew Lunn will be called tqmx86_wdt. 1559e3c21e08SAndrew Lunn 1560e3c21e08SAndrew Lunn Most people will say N. 1561e3c21e08SAndrew Lunn 1562dc3c56b7SMarc Vertesconfig VIA_WDT 1563dc3c56b7SMarc Vertes tristate "VIA Watchdog Timer" 1564f1a43aadSRob Herring depends on (X86 || COMPILE_TEST) && PCI 1565dc3c56b7SMarc Vertes select WATCHDOG_CORE 1566a7f7f624SMasahiro Yamada help 1567dc3c56b7SMarc Vertes This is the driver for the hardware watchdog timer on VIA 1568dc3c56b7SMarc Vertes southbridge chipset CX700, VX800/VX820 or VX855/VX875. 1569dc3c56b7SMarc Vertes 1570dc3c56b7SMarc Vertes To compile this driver as a module, choose M here; the module 1571dc3c56b7SMarc Vertes will be called via_wdt. 1572dc3c56b7SMarc Vertes 1573dc3c56b7SMarc Vertes Most people will say N. 1574dc3c56b7SMarc Vertes 1575b7e04f8cSWim Van Sebroeckconfig W83627HF_WDT 1576962c04f5SGuenter Roeck tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 1577f1a43aadSRob Herring depends on X86 || COMPILE_TEST 157830a83695SGuenter Roeck select WATCHDOG_CORE 1579a7f7f624SMasahiro Yamada help 1580962c04f5SGuenter Roeck This is the driver for the hardware watchdog on the following 1581962c04f5SGuenter Roeck Super I/O chips. 1582962c04f5SGuenter Roeck W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 1583962c04f5SGuenter Roeck W83637HF 1584962c04f5SGuenter Roeck W83667HG/HG-B 1585962c04f5SGuenter Roeck W83687THF 15867b6d0b6aSGuenter Roeck W83697HF 15877b6d0b6aSGuenter Roeck W83697UG 1588962c04f5SGuenter Roeck NCT6775 1589962c04f5SGuenter Roeck NCT6776 1590962c04f5SGuenter Roeck NCT6779 1591a77841d5SGuenter Roeck NCT6791 1592a77841d5SGuenter Roeck NCT6792 159333f74b89SRob Kramer NCT6102D/04D/06D 1594e11cfc69SSrikanth Krishnakar NCT6116D 1595962c04f5SGuenter Roeck 15969c67bea4SBenny Loenstrup Ammitzboell This watchdog simply watches your kernel to make sure it doesn't 15979c67bea4SBenny Loenstrup Ammitzboell freeze, and if it does, it reboots your computer after a certain 15989c67bea4SBenny Loenstrup Ammitzboell amount of time. 1599b7e04f8cSWim Van Sebroeck 1600b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1601b7e04f8cSWim Van Sebroeck module will be called w83627hf_wdt. 1602b7e04f8cSWim Van Sebroeck 1603b7e04f8cSWim Van Sebroeck Most people will say N. 1604b7e04f8cSWim Van Sebroeck 1605b7e04f8cSWim Van Sebroeckconfig W83877F_WDT 1606b7e04f8cSWim Van Sebroeck tristate "W83877F (EMACS) Watchdog Timer" 1607f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1608a7f7f624SMasahiro Yamada help 1609b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83877F chipset 1610b7e04f8cSWim Van Sebroeck as used in EMACS PC-104 motherboards (and likely others). This 1611b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1612b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1613b7e04f8cSWim Van Sebroeck time. 1614b7e04f8cSWim Van Sebroeck 1615b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1616b7e04f8cSWim Van Sebroeck module will be called w83877f_wdt. 1617b7e04f8cSWim Van Sebroeck 1618b7e04f8cSWim Van Sebroeck Most people will say N. 1619b7e04f8cSWim Van Sebroeck 1620b7e04f8cSWim Van Sebroeckconfig W83977F_WDT 1621b7e04f8cSWim Van Sebroeck tristate "W83977F (PCM-5335) Watchdog Timer" 1622f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1623a7f7f624SMasahiro Yamada help 1624b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog on the W83977F I/O chip 1625b7e04f8cSWim Van Sebroeck as used in AAEON's PCM-5335 SBC (and likely others). This 1626b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 1627b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 1628b7e04f8cSWim Van Sebroeck time. 1629b7e04f8cSWim Van Sebroeck 1630b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1631b7e04f8cSWim Van Sebroeck module will be called w83977f_wdt. 1632b7e04f8cSWim Van Sebroeck 1633b7e04f8cSWim Van Sebroeckconfig MACHZ_WDT 1634b7e04f8cSWim Van Sebroeck tristate "ZF MachZ Watchdog" 1635f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1636a7f7f624SMasahiro Yamada help 1637b7e04f8cSWim Van Sebroeck If you are using a ZF Micro MachZ processor, say Y here, otherwise 1638b7e04f8cSWim Van Sebroeck N. This is the driver for the watchdog timer built-in on that 1639b7e04f8cSWim Van Sebroeck processor using ZF-Logic interface. This watchdog simply watches 1640b7e04f8cSWim Van Sebroeck your kernel to make sure it doesn't freeze, and if it does, it 1641b7e04f8cSWim Van Sebroeck reboots your computer after a certain amount of time. 1642b7e04f8cSWim Van Sebroeck 1643b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1644b7e04f8cSWim Van Sebroeck module will be called machzwd. 1645b7e04f8cSWim Van Sebroeck 1646b7e04f8cSWim Van Sebroeckconfig SBC_EPX_C3_WATCHDOG 1647b7e04f8cSWim Van Sebroeck tristate "Winsystems SBC EPX-C3 watchdog" 1648f1a43aadSRob Herring depends on X86 || COMPILE_TEST 1649a7f7f624SMasahiro Yamada help 1650b7e04f8cSWim Van Sebroeck This is the driver for the built-in watchdog timer on the EPX-C3 1651b7e04f8cSWim Van Sebroeck Single-board computer made by Winsystems, Inc. 1652b7e04f8cSWim Van Sebroeck 1653b7e04f8cSWim Van Sebroeck *Note*: This hardware watchdog is not probeable and thus there 1654b7e04f8cSWim Van Sebroeck is no way to know if writing to its IO address will corrupt 1655b7e04f8cSWim Van Sebroeck your system or have any real effect. The only way to be sure 1656b7e04f8cSWim Van Sebroeck that this driver does what you want is to make sure you 1657b7e04f8cSWim Van Sebroeck are running it on an EPX-C3 from Winsystems with the watchdog 1658b7e04f8cSWim Van Sebroeck timer at IO address 0x1ee and 0x1ef. It will write to both those 1659b7e04f8cSWim Van Sebroeck IO ports. Basically, the assumption is made that if you compile 1660b7e04f8cSWim Van Sebroeck this driver into your kernel and/or load it as a module, that you 1661b7e04f8cSWim Van Sebroeck know what you are doing and that you are in fact running on an 1662b7e04f8cSWim Van Sebroeck EPX-C3 board! 1663b7e04f8cSWim Van Sebroeck 1664b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 1665b7e04f8cSWim Van Sebroeck module will be called sbc_epx_c3. 1666b7e04f8cSWim Van Sebroeck 1667222818c3STomas Winklerconfig INTEL_MEI_WDT 1668222818c3STomas Winkler tristate "Intel MEI iAMT Watchdog" 1669222818c3STomas Winkler depends on INTEL_MEI && X86 1670222818c3STomas Winkler select WATCHDOG_CORE 1671a7f7f624SMasahiro Yamada help 1672222818c3STomas Winkler A device driver for the Intel MEI iAMT watchdog. 1673222818c3STomas Winkler 1674222818c3STomas Winkler The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 1675222818c3STomas Winkler Whenever the OS hangs or crashes, iAMT will send an event 1676222818c3STomas Winkler to any subscriber to this event. The watchdog doesn't reset the 1677222818c3STomas Winkler the platform. 1678222818c3STomas Winkler 1679222818c3STomas Winkler To compile this driver as a module, choose M here: 1680222818c3STomas Winkler the module will be called mei_wdt. 1681222818c3STomas Winkler 168270f39976SKyle Roeschleyconfig NI903X_WDT 168370f39976SKyle Roeschley tristate "NI 903x/913x Watchdog" 168470f39976SKyle Roeschley depends on X86 && ACPI 168570f39976SKyle Roeschley select WATCHDOG_CORE 1686a7f7f624SMasahiro Yamada help 168770f39976SKyle Roeschley This is the driver for the watchdog timer on the National Instruments 168870f39976SKyle Roeschley 903x/913x real-time controllers. 168970f39976SKyle Roeschley 169070f39976SKyle Roeschley To compile this driver as a module, choose M here: the module will be 169170f39976SKyle Roeschley called ni903x_wdt. 169270f39976SKyle Roeschley 169398078ca3SHui Chun Ongconfig NIC7018_WDT 169498078ca3SHui Chun Ong tristate "NIC7018 Watchdog" 169598078ca3SHui Chun Ong depends on X86 && ACPI 169698078ca3SHui Chun Ong select WATCHDOG_CORE 1697a7f7f624SMasahiro Yamada help 169898078ca3SHui Chun Ong Support for National Instruments NIC7018 Watchdog. 169998078ca3SHui Chun Ong 170098078ca3SHui Chun Ong To compile this driver as a module, choose M here: the module will be 170198078ca3SHui Chun Ong called nic7018_wdt. 170298078ca3SHui Chun Ong 17032ebd32ceSHenning Schildconfig SIEMENS_SIMATIC_IPC_WDT 17042ebd32ceSHenning Schild tristate "Siemens Simatic IPC Watchdog" 1705f0ced885SArnd Bergmann depends on SIEMENS_SIMATIC_IPC && PCI 17063fce0640SHenning Schild default y 17072ebd32ceSHenning Schild select WATCHDOG_CORE 170839ab0bafSAndy Shevchenko select P2SB if X86 17092ebd32ceSHenning Schild help 17102ebd32ceSHenning Schild This driver adds support for several watchdogs found in Industrial 17112ebd32ceSHenning Schild PCs from Siemens. 17122ebd32ceSHenning Schild 17132ebd32ceSHenning Schild To compile this driver as a module, choose M here: the module will be 17142ebd32ceSHenning Schild called simatic-ipc-wdt. 17152ebd32ceSHenning Schild 1716b7e04f8cSWim Van Sebroeck# M68K Architecture 1717b7e04f8cSWim Van Sebroeck 17184157a04dSPhilippe De Muyterconfig M54xx_WATCHDOG 17194157a04dSPhilippe De Muyter tristate "MCF54xx watchdog support" 172088cce427SPhilippe De Muyter depends on M548x 172188cce427SPhilippe De Muyter help 172288cce427SPhilippe De Muyter To compile this driver as a module, choose M here: the 17234157a04dSPhilippe De Muyter module will be called m54xx_wdt. 1724b7e04f8cSWim Van Sebroeck 1725e9659e69SAlejandro Cabrera# MicroBlaze Architecture 1726e9659e69SAlejandro Cabrera 1727b7e04f8cSWim Van Sebroeck# MIPS Architecture 1728b7e04f8cSWim Van Sebroeck 1729f8394f61SGabor Juhosconfig ATH79_WDT 1730f8394f61SGabor Juhos tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 1731da2a68b3SGuenter Roeck depends on ATH79 || (ARM && COMPILE_TEST) 1732f8394f61SGabor Juhos help 1733f8394f61SGabor Juhos Hardware driver for the built-in watchdog timer on the Atheros 1734f8394f61SGabor Juhos AR71XX/AR724X/AR913X SoCs. 1735f8394f61SGabor Juhos 173690074dceSmatthieu castetconfig BCM47XX_WDT 173790074dceSmatthieu castet tristate "Broadcom BCM47xx Watchdog Timer" 1738da2a68b3SGuenter Roeck depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 17395434a04dSHauke Mehrtens select WATCHDOG_CORE 174090074dceSmatthieu castet help 17416b2aac42SMasanari Iida Hardware driver for the Broadcom BCM47xx Watchdog Timer. 174290074dceSmatthieu castet 174303ec5856SFlorian Fainelliconfig RC32434_WDT 174403ec5856SFlorian Fainelli tristate "IDT RC32434 SoC Watchdog Timer" 174503ec5856SFlorian Fainelli depends on MIKROTIK_RB532 174603ec5856SFlorian Fainelli help 174703ec5856SFlorian Fainelli Hardware driver for the IDT RC32434 SoC built-in 174803ec5856SFlorian Fainelli watchdog timer. 174903ec5856SFlorian Fainelli 175003ec5856SFlorian Fainelli To compile this driver as a module, choose M here: the 175103ec5856SFlorian Fainelli module will be called rc32434_wdt. 175203ec5856SFlorian Fainelli 1753b7e04f8cSWim Van Sebroeckconfig INDYDOG 1754b7e04f8cSWim Van Sebroeck tristate "Indy/I2 Hardware Watchdog" 175524f8d233SMatt Redfearn depends on SGI_HAS_INDYDOG 1756b7e04f8cSWim Van Sebroeck help 1757b7e04f8cSWim Van Sebroeck Hardware driver for the Indy's/I2's watchdog. This is a 1758b7e04f8cSWim Van Sebroeck watchdog timer that will reboot the machine after a 60 second 1759b7e04f8cSWim Van Sebroeck timer expired and no process has written to /dev/watchdog during 1760b7e04f8cSWim Van Sebroeck that time. 1761b7e04f8cSWim Van Sebroeck 1762f865c352SPaul Cercueilconfig JZ4740_WDT 1763f865c352SPaul Cercueil tristate "Ingenic jz4740 SoC hardware watchdog" 1764f1a43aadSRob Herring depends on MIPS || COMPILE_TEST 17651d9c3074SPaul Cercueil depends on COMMON_CLK 176685f6df14SAxel Lin select WATCHDOG_CORE 17676d532143SPaul Cercueil select MFD_SYSCON 1768f865c352SPaul Cercueil help 1769f865c352SPaul Cercueil Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 1770f865c352SPaul Cercueil 1771b7e04f8cSWim Van Sebroeckconfig WDT_MTX1 1772b7e04f8cSWim Van Sebroeck tristate "MTX-1 Hardware Watchdog" 1773da2a68b3SGuenter Roeck depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 1774b7e04f8cSWim Van Sebroeck help 1775b7e04f8cSWim Van Sebroeck Hardware driver for the MTX-1 boards. This is a watchdog timer that 1776b7e04f8cSWim Van Sebroeck will reboot the machine after a 100 seconds timer expired. 1777b7e04f8cSWim Van Sebroeck 177875c752e6SAndrew Sharpconfig SIBYTE_WDOG 177975c752e6SAndrew Sharp tristate "Sibyte SoC hardware watchdog" 1780c388a189SJackie Liu depends on CPU_SB1 178175c752e6SAndrew Sharp help 178275c752e6SAndrew Sharp Watchdog driver for the built in watchdog hardware in Sibyte 178375c752e6SAndrew Sharp SoC processors. There are apparently two watchdog timers 178475c752e6SAndrew Sharp on such processors; this driver supports only the first one, 178575c752e6SAndrew Sharp because currently Linux only supports exporting one watchdog 178675c752e6SAndrew Sharp to userspace. 178775c752e6SAndrew Sharp 178875c752e6SAndrew Sharp To compile this driver as a loadable module, choose M here. 178975c752e6SAndrew Sharp The module will be called sb_wdog. 179075c752e6SAndrew Sharp 17916f702fceSAtsushi Nemotoconfig TXX9_WDT 17926f702fceSAtsushi Nemoto tristate "Toshiba TXx9 Watchdog Timer" 1793455481fcSThomas Bogendoerfer depends on CPU_TX49XX || (MIPS && COMPILE_TEST) 1794d6245842SAxel Lin select WATCHDOG_CORE 17956f702fceSAtsushi Nemoto help 17966f702fceSAtsushi Nemoto Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 17976f702fceSAtsushi Nemoto 17984c076fb4SDavid Daneyconfig OCTEON_WDT 17994c076fb4SDavid Daney tristate "Cavium OCTEON SOC family Watchdog Timer" 18009ddebc46SDavid Daney depends on CAVIUM_OCTEON_SOC 18014c076fb4SDavid Daney default y 18023d588c93SAaro Koskinen select WATCHDOG_CORE 18034c076fb4SDavid Daney select EXPORT_UASM if OCTEON_WDT = m 18044c076fb4SDavid Daney help 18054c076fb4SDavid Daney Hardware driver for OCTEON's on chip watchdog timer. 18064c076fb4SDavid Daney Enables the watchdog for all cores running Linux. It 18074c076fb4SDavid Daney installs a NMI handler and pokes the watchdog based on an 18084c076fb4SDavid Daney interrupt. On first expiration of the watchdog, the 18094c076fb4SDavid Daney interrupt handler pokes it. The second expiration causes an 18104c076fb4SDavid Daney NMI that prints a message. The third expiration causes a 18114c076fb4SDavid Daney global soft reset. 18124c076fb4SDavid Daney 18134c076fb4SDavid Daney When userspace has /dev/watchdog open, no poking is done 18144c076fb4SDavid Daney from the first interrupt, it is then only poked when the 18154c076fb4SDavid Daney device is written. 18164c076fb4SDavid Daney 1817ef9e7fe2SBharat Bhushanconfig MARVELL_GTI_WDT 1818ef9e7fe2SBharat Bhushan tristate "Marvell GTI Watchdog driver" 1819ef9e7fe2SBharat Bhushan depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT) 1820ef9e7fe2SBharat Bhushan default y 1821ef9e7fe2SBharat Bhushan select WATCHDOG_CORE 1822ef9e7fe2SBharat Bhushan help 1823ef9e7fe2SBharat Bhushan Marvell GTI hardware supports watchdog timer. First timeout 1824ef9e7fe2SBharat Bhushan works as watchdog pretimeout and installed interrupt handler 1825ef9e7fe2SBharat Bhushan will be called on first timeout. Hardware can generate interrupt 1826ef9e7fe2SBharat Bhushan to SCP on second timeout but it is not enabled, so second 1827ef9e7fe2SBharat Bhushan timeout is ignored. If device poke does not happen then system 1828ef9e7fe2SBharat Bhushan will reboot on third timeout. 1829ef9e7fe2SBharat Bhushan 1830938d0a84SLubomir Rintelconfig BCM2835_WDT 1831938d0a84SLubomir Rintel tristate "Broadcom BCM2835 hardware watchdog" 18322672b7e0SArnd Bergmann depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 1833938d0a84SLubomir Rintel select WATCHDOG_CORE 1834938d0a84SLubomir Rintel help 1835938d0a84SLubomir Rintel Watchdog driver for the built in watchdog hardware in Broadcom 1836938d0a84SLubomir Rintel BCM2835 SoC. 1837938d0a84SLubomir Rintel 1838938d0a84SLubomir Rintel To compile this driver as a loadable module, choose M here. 1839938d0a84SLubomir Rintel The module will be called bcm2835_wdt. 1840938d0a84SLubomir Rintel 18416adb730dSMarkus Mayerconfig BCM_KONA_WDT 18426adb730dSMarkus Mayer tristate "BCM Kona Watchdog" 1843da2a68b3SGuenter Roeck depends on ARCH_BCM_MOBILE || COMPILE_TEST 18446adb730dSMarkus Mayer select WATCHDOG_CORE 18456adb730dSMarkus Mayer help 18466adb730dSMarkus Mayer Support for the watchdog timer on the following Broadcom BCM281xx 18476adb730dSMarkus Mayer family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 18486adb730dSMarkus Mayer BCM28155 variants. 18496adb730dSMarkus Mayer 18506adb730dSMarkus Mayer Say 'Y' or 'M' here to enable the driver. The module will be called 18516adb730dSMarkus Mayer bcm_kona_wdt. 18526adb730dSMarkus Mayer 18536e2ac20eSMarkus Mayerconfig BCM_KONA_WDT_DEBUG 18546e2ac20eSMarkus Mayer bool "DEBUGFS support for BCM Kona Watchdog" 1855f1a43aadSRob Herring depends on BCM_KONA_WDT || COMPILE_TEST 18566e2ac20eSMarkus Mayer help 18576e2ac20eSMarkus Mayer If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 18586e2ac20eSMarkus Mayer access to the driver's internal data structures as well as watchdog 18596e2ac20eSMarkus Mayer timer hardware registres. 18606e2ac20eSMarkus Mayer 18616e2ac20eSMarkus Mayer If in doubt, say 'N'. 18626e2ac20eSMarkus Mayer 18637a3629feSJustin Chenconfig BCM7038_WDT 1864bc0bf9e9SFlorian Fainelli tristate "BCM63xx/BCM7038 Watchdog" 18657a3629feSJustin Chen select WATCHDOG_CORE 1866d42d6108SRichard Weinberger depends on HAS_IOMEM 18677bb49d77SWilliam Zhang depends on ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 18687a3629feSJustin Chen help 1869972ec351SJean Delvare Watchdog driver for the built-in hardware in Broadcom 7038 and 1870972ec351SJean Delvare later SoCs used in set-top boxes. BCM7038 was made public 1871972ec351SJean Delvare during the 2004 CES, and since then, many Broadcom chips use this 1872bc0bf9e9SFlorian Fainelli watchdog block, including some cable modem chips and DSL (63xx) 1873bc0bf9e9SFlorian Fainelli chips. 18747a3629feSJustin Chen 187593937669SNaidu Tellapaticonfig IMGPDC_WDT 187693937669SNaidu Tellapati tristate "Imagination Technologies PDC Watchdog Timer" 187793937669SNaidu Tellapati depends on HAS_IOMEM 1878b9b29090SJames Hogan depends on MIPS || COMPILE_TEST 1879df1a3e64SArnd Bergmann select WATCHDOG_CORE 188093937669SNaidu Tellapati help 188193937669SNaidu Tellapati Driver for Imagination Technologies PowerDown Controller 188293937669SNaidu Tellapati Watchdog Timer. 188393937669SNaidu Tellapati 188493937669SNaidu Tellapati To compile this driver as a loadable module, choose M here. 188593937669SNaidu Tellapati The module will be called imgpdc_wdt. 188693937669SNaidu Tellapati 18872f58b8d0SJohn Crispinconfig LANTIQ_WDT 18882f58b8d0SJohn Crispin tristate "Lantiq SoC watchdog" 18892f58b8d0SJohn Crispin depends on LANTIQ 1890dcd7e04eSHauke Mehrtens select WATCHDOG_CORE 18912f58b8d0SJohn Crispin help 18922f58b8d0SJohn Crispin Hardware driver for the Lantiq SoC Watchdog Timer. 18932f58b8d0SJohn Crispin 18941d8565eeSYang Lingconfig LOONGSON1_WDT 18951d8565eeSYang Ling tristate "Loongson1 SoC hardware watchdog" 1896f1a43aadSRob Herring depends on MACH_LOONGSON32 || COMPILE_TEST 18971d8565eeSYang Ling select WATCHDOG_CORE 18981d8565eeSYang Ling help 18991d8565eeSYang Ling Hardware driver for the Loongson1 SoC Watchdog Timer. 19001d8565eeSYang Ling 1901473cf939SJohn Crispinconfig RALINK_WDT 1902473cf939SJohn Crispin tristate "Ralink SoC watchdog" 1903473cf939SJohn Crispin select WATCHDOG_CORE 1904473cf939SJohn Crispin depends on RALINK 1905473cf939SJohn Crispin help 1906473cf939SJohn Crispin Hardware driver for the Ralink SoC Watchdog Timer. 1907473cf939SJohn Crispin 19086b47441bSNick Hawkinsconfig GXP_WATCHDOG 19096b47441bSNick Hawkins tristate "HPE GXP watchdog support" 1910f1a43aadSRob Herring depends on ARCH_HPE_GXP || COMPILE_TEST 19116b47441bSNick Hawkins select WATCHDOG_CORE 19126b47441bSNick Hawkins help 19136b47441bSNick Hawkins Say Y here to include support for the watchdog timer 19146b47441bSNick Hawkins in HPE GXP SoCs. 19156b47441bSNick Hawkins 19166b47441bSNick Hawkins To compile this driver as a module, choose M here. 19176b47441bSNick Hawkins The module will be called gxp-wdt. 19186b47441bSNick Hawkins 1919ab3f09feSJohn Crispinconfig MT7621_WDT 1920ab3f09feSJohn Crispin tristate "Mediatek SoC watchdog" 1921ab3f09feSJohn Crispin select WATCHDOG_CORE 1922ff8ec4acSSergio Paracuellos select REGMAP_MMIO 1923ff8ec4acSSergio Paracuellos select MFD_SYSCON 1924ff8ec4acSSergio Paracuellos depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST 1925ab3f09feSJohn Crispin help 1926ab3f09feSJohn Crispin Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 1927ab3f09feSJohn Crispin 19288f91fc56SJoshua Hendersonconfig PIC32_WDT 19298f91fc56SJoshua Henderson tristate "Microchip PIC32 hardware watchdog" 19308f91fc56SJoshua Henderson select WATCHDOG_CORE 1931da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 19328f91fc56SJoshua Henderson help 19338f91fc56SJoshua Henderson Watchdog driver for the built in watchdog hardware in a PIC32. 19348f91fc56SJoshua Henderson 19358f91fc56SJoshua Henderson Configuration bits must be set appropriately for the watchdog to be 19368f91fc56SJoshua Henderson controlled by this driver. 19378f91fc56SJoshua Henderson 19388f91fc56SJoshua Henderson To compile this driver as a loadable module, choose M here. 19398f91fc56SJoshua Henderson The module will be called pic32-wdt. 19408f91fc56SJoshua Henderson 1941b0d8a082SPurna Chandra Mandalconfig PIC32_DMT 1942b0d8a082SPurna Chandra Mandal tristate "Microchip PIC32 Deadman Timer" 1943b0d8a082SPurna Chandra Mandal select WATCHDOG_CORE 1944da2a68b3SGuenter Roeck depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 1945b0d8a082SPurna Chandra Mandal help 194601028829SRandy Dunlap Watchdog driver for PIC32 instruction fetch counting timer. This 194701028829SRandy Dunlap specific timer is typically be used in mission critical and safety 194801028829SRandy Dunlap critical applications, where any single failure of the software 194901028829SRandy Dunlap functionality and sequencing must be detected. 1950b0d8a082SPurna Chandra Mandal 1951b0d8a082SPurna Chandra Mandal To compile this driver as a loadable module, choose M here. 1952b0d8a082SPurna Chandra Mandal The module will be called pic32-dmt. 1953b0d8a082SPurna Chandra Mandal 1954b7e04f8cSWim Van Sebroeck# PARISC Architecture 1955b7e04f8cSWim Van Sebroeck 1956b7e04f8cSWim Van Sebroeck# POWERPC Architecture 1957b7e04f8cSWim Van Sebroeck 19583268b561SMartyn Welchconfig GEF_WDT 1959cda61c94SMartyn Welch tristate "GE Watchdog Timer" 1960330bbf48SMartyn Welch depends on GE_FPGA 1961a7f7f624SMasahiro Yamada help 1962cda61c94SMartyn Welch Watchdog timer found in a number of GE single board computers. 19633268b561SMartyn Welch 1964b7e04f8cSWim Van Sebroeckconfig MPC5200_WDT 19656d535599SAlbrecht Dreß bool "MPC52xx Watchdog Timer" 1966da2a68b3SGuenter Roeck depends on PPC_MPC52xx || COMPILE_TEST 19676d535599SAlbrecht Dreß help 19686d535599SAlbrecht Dreß Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 1969b7e04f8cSWim Van Sebroeck 197028acd02fSAnton Vorontsovconfig 8xxx_WDT 197128acd02fSAnton Vorontsov tristate "MPC8xxx Platform Watchdog Timer" 1972f8c33e97SUwe Kleine-König depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 1973d5cfaf0aSChristophe Leroy select WATCHDOG_CORE 197428acd02fSAnton Vorontsov help 197528acd02fSAnton Vorontsov This driver is for a SoC level watchdog that exists on some 197628acd02fSAnton Vorontsov Freescale PowerPC processors. So far this driver supports: 19770d7b1014SAnton Vorontsov - MPC8xx watchdogs 197828acd02fSAnton Vorontsov - MPC83xx watchdogs 197928acd02fSAnton Vorontsov - MPC86xx watchdogs 198028acd02fSAnton Vorontsov 198128acd02fSAnton Vorontsov For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 1982b7e04f8cSWim Van Sebroeck 1983618efba9SSean MacLennanconfig PIKA_WDT 1984618efba9SSean MacLennan tristate "PIKA FPGA Watchdog" 1985da2a68b3SGuenter Roeck depends on WARP || (PPC64 && COMPILE_TEST) 1986618efba9SSean MacLennan default y 1987618efba9SSean MacLennan help 1988618efba9SSean MacLennan This enables the watchdog in the PIKA FPGA. Currently used on 1989618efba9SSean MacLennan the Warp platform. 1990618efba9SSean MacLennan 1991b7e04f8cSWim Van Sebroeckconfig BOOKE_WDT 1992fbdd7144STimur Tabi tristate "PowerPC Book-E Watchdog Timer" 1993b7e04f8cSWim Van Sebroeck depends on BOOKE || 4xx 199452e5cc4eSGuenter Roeck select WATCHDOG_CORE 1995a7f7f624SMasahiro Yamada help 1996fbdd7144STimur Tabi Watchdog driver for PowerPC Book-E chips, such as the Freescale 1997fbdd7144STimur Tabi MPC85xx SOCs and the IBM PowerPC 440. 1998fbdd7144STimur Tabi 199974665686SMauro Carvalho Chehab Please see Documentation/watchdog/watchdog-api.rst for 2000b7e04f8cSWim Van Sebroeck more information. 2001b7e04f8cSWim Van Sebroeck 2002e0dc09ffSTimur Tabiconfig BOOKE_WDT_DEFAULT_TIMEOUT 2003e0dc09ffSTimur Tabi int "PowerPC Book-E Watchdog Timer Default Timeout" 2004e0dc09ffSTimur Tabi depends on BOOKE_WDT 2005ec65560aSChristophe Leroy default 38 if PPC_E500 2006ec65560aSChristophe Leroy range 0 63 if PPC_E500 2007ec65560aSChristophe Leroy default 3 if !PPC_E500 2008ec65560aSChristophe Leroy range 0 3 if !PPC_E500 2009e0dc09ffSTimur Tabi help 2010e0dc09ffSTimur Tabi Select the default watchdog timer period to be used by the PowerPC 2011e0dc09ffSTimur Tabi Book-E watchdog driver. A watchdog "event" occurs when the bit 2012e0dc09ffSTimur Tabi position represented by this number transitions from zero to one. 2013e0dc09ffSTimur Tabi 2014e0dc09ffSTimur Tabi For Freescale Book-E processors, this is a number between 0 and 63. 2015e0dc09ffSTimur Tabi For other Book-E processors, this is a number between 0 and 3. 2016e0dc09ffSTimur Tabi 2017e1d1d68aSMasanari Iida The value can be overridden by the wdt_period command-line parameter. 2018e0dc09ffSTimur Tabi 201926c57ef1SJohannes Thumshirnconfig MEN_A21_WDT 202026c57ef1SJohannes Thumshirn tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 202126c57ef1SJohannes Thumshirn select WATCHDOG_CORE 202221a926a3SGeert Uytterhoeven depends on GPIOLIB || COMPILE_TEST 202326c57ef1SJohannes Thumshirn help 202426c57ef1SJohannes Thumshirn Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 202526c57ef1SJohannes Thumshirn 202626c57ef1SJohannes Thumshirn The driver can also be built as a module. If so, the module will be 202726c57ef1SJohannes Thumshirn called mena21_wdt. 202826c57ef1SJohannes Thumshirn 202926c57ef1SJohannes Thumshirn If unsure select N here. 203026c57ef1SJohannes Thumshirn 2031b7e04f8cSWim Van Sebroeck# PPC64 Architecture 2032b7e04f8cSWim Van Sebroeck 203369472ffaSScott Chelohaconfig PSERIES_WDT 203469472ffaSScott Cheloha tristate "POWER Architecture Platform Watchdog Timer" 203569472ffaSScott Cheloha depends on PPC_PSERIES 203669472ffaSScott Cheloha select WATCHDOG_CORE 203769472ffaSScott Cheloha help 203869472ffaSScott Cheloha Driver for virtual watchdog timers provided by PAPR 203969472ffaSScott Cheloha hypervisors (e.g. PowerVM, KVM). 204069472ffaSScott Cheloha 2041b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RTAS 2042b7e04f8cSWim Van Sebroeck tristate "RTAS watchdog" 204342bed042SMurilo Opsfelder Araujo depends on PPC_RTAS 2044b7e04f8cSWim Van Sebroeck help 2045b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the RTAS watchdog. 2046b7e04f8cSWim Van Sebroeck 2047b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2048b7e04f8cSWim Van Sebroeck will be called wdrtas. 2049b7e04f8cSWim Van Sebroeck 2050db728ea9SXingyu Wu# RISC-V Architecture 2051db728ea9SXingyu Wu 2052db728ea9SXingyu Wuconfig STARFIVE_WATCHDOG 2053db728ea9SXingyu Wu tristate "StarFive Watchdog support" 2054db728ea9SXingyu Wu depends on ARCH_STARFIVE || COMPILE_TEST 2055db728ea9SXingyu Wu select WATCHDOG_CORE 2056db728ea9SXingyu Wu default ARCH_STARFIVE 2057db728ea9SXingyu Wu help 2058db728ea9SXingyu Wu Say Y here to support the watchdog of StarFive JH7100 and JH7110 2059db728ea9SXingyu Wu SoC. This driver can also be built as a module if choose M. 2060db728ea9SXingyu Wu 2061b7e04f8cSWim Van Sebroeck# S390 Architecture 2062b7e04f8cSWim Van Sebroeck 2063f7a94db4SPhilipp Hachtmannconfig DIAG288_WATCHDOG 2064f7a94db4SPhilipp Hachtmann tristate "System z diag288 Watchdog" 2065b7e04f8cSWim Van Sebroeck depends on S390 2066f7a94db4SPhilipp Hachtmann select WATCHDOG_CORE 2067b7e04f8cSWim Van Sebroeck help 2068b7e04f8cSWim Van Sebroeck IBM s/390 and zSeries machines running under z/VM 5.1 or later 2069b7e04f8cSWim Van Sebroeck provide a virtual watchdog timer to their guest that cause a 2070b7e04f8cSWim Van Sebroeck user define Control Program command to be executed after a 2071b7e04f8cSWim Van Sebroeck timeout. 2072646f919eSPhilipp Hachtmann LPAR provides a very similar interface. This driver handles 2073646f919eSPhilipp Hachtmann both. 2074b7e04f8cSWim Van Sebroeck 2075b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here. The module 2076a8fa3943SPhilipp Hachtmann will be called diag288_wdt. 2077b7e04f8cSWim Van Sebroeck 2078b7e04f8cSWim Van Sebroeck# SUPERH (sh + sh64) Architecture 2079b7e04f8cSWim Van Sebroeck 2080b7e04f8cSWim Van Sebroeckconfig SH_WDT 2081b7e04f8cSWim Van Sebroeck tristate "SuperH Watchdog" 2082da2a68b3SGuenter Roeck depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 20831950f499SPaul Mundt select WATCHDOG_CORE 2084b7e04f8cSWim Van Sebroeck help 2085b7e04f8cSWim Van Sebroeck This driver adds watchdog support for the integrated watchdog in the 2086b7e04f8cSWim Van Sebroeck SuperH processors. If you have one of these processors and wish 2087b7e04f8cSWim Van Sebroeck to have watchdog support enabled, say Y, otherwise say N. 2088b7e04f8cSWim Van Sebroeck 2089b7e04f8cSWim Van Sebroeck As a side note, saying Y here will automatically boost HZ to 1000 2090b7e04f8cSWim Van Sebroeck so that the timer has a chance to clear the overflow counter. On 2091b7e04f8cSWim Van Sebroeck slower systems (such as the SH-2 and SH-3) this will likely yield 2092b7e04f8cSWim Van Sebroeck some performance issues. As such, the WDT should be avoided here 2093b7e04f8cSWim Van Sebroeck unless it is absolutely necessary. 2094b7e04f8cSWim Van Sebroeck 2095b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2096b7e04f8cSWim Van Sebroeck module will be called shwdt. 2097b7e04f8cSWim Van Sebroeck 2098b7e04f8cSWim Van Sebroeck# SPARC Architecture 2099b7e04f8cSWim Van Sebroeck 2100b7e04f8cSWim Van Sebroeck# SPARC64 Architecture 2101b7e04f8cSWim Van Sebroeck 2102b7e04f8cSWim Van Sebroeckconfig WATCHDOG_CP1XXX 2103b7e04f8cSWim Van Sebroeck tristate "CP1XXX Hardware Watchdog support" 2104b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2105a7f7f624SMasahiro Yamada help 2106b7e04f8cSWim Van Sebroeck This is the driver for the hardware watchdog timers present on 2107b7e04f8cSWim Van Sebroeck Sun Microsystems CompactPCI models CP1400 and CP1500. 2108b7e04f8cSWim Van Sebroeck 2109b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2110b7e04f8cSWim Van Sebroeck module will be called cpwatchdog. 2111b7e04f8cSWim Van Sebroeck 2112b7e04f8cSWim Van Sebroeck If you do not have a CompactPCI model CP1400 or CP1500, or 2113b7e04f8cSWim Van Sebroeck another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 2114b7e04f8cSWim Van Sebroeck you should say N to this option. 2115b7e04f8cSWim Van Sebroeck 2116b7e04f8cSWim Van Sebroeckconfig WATCHDOG_RIO 2117b7e04f8cSWim Van Sebroeck tristate "RIO Hardware Watchdog support" 2118b7e04f8cSWim Van Sebroeck depends on SPARC64 && PCI 2119b7e04f8cSWim Van Sebroeck help 2120b7e04f8cSWim Van Sebroeck Say Y here to support the hardware watchdog capability on Sun RIO 2121b7e04f8cSWim Van Sebroeck machines. The watchdog timeout period is normally one minute but 2122b7e04f8cSWim Van Sebroeck can be changed with a boot-time parameter. 2123b7e04f8cSWim Van Sebroeck 2124ca0bb079Swim.coekaerts@oracle.comconfig WATCHDOG_SUN4V 2125ca0bb079Swim.coekaerts@oracle.com tristate "Sun4v Watchdog support" 2126ca0bb079Swim.coekaerts@oracle.com select WATCHDOG_CORE 2127ca0bb079Swim.coekaerts@oracle.com depends on SPARC64 2128ca0bb079Swim.coekaerts@oracle.com help 2129ca0bb079Swim.coekaerts@oracle.com Say Y here to support the hypervisor watchdog capability embedded 2130ca0bb079Swim.coekaerts@oracle.com in the SPARC sun4v architecture. 2131ca0bb079Swim.coekaerts@oracle.com 2132ca0bb079Swim.coekaerts@oracle.com To compile this driver as a module, choose M here. The module will 2133ca0bb079Swim.coekaerts@oracle.com be called sun4v_wdt. 2134ca0bb079Swim.coekaerts@oracle.com 2135b7e04f8cSWim Van Sebroeck# XTENSA Architecture 2136b7e04f8cSWim Van Sebroeck 2137066d6c7fSJan Beulich# Xen Architecture 2138066d6c7fSJan Beulich 2139066d6c7fSJan Beulichconfig XEN_WDT 2140066d6c7fSJan Beulich tristate "Xen Watchdog support" 2141066d6c7fSJan Beulich depends on XEN 21424cd67644SRadu Rendec select WATCHDOG_CORE 2143066d6c7fSJan Beulich help 2144066d6c7fSJan Beulich Say Y here to support the hypervisor watchdog capability provided 2145066d6c7fSJan Beulich by Xen 4.0 and newer. The watchdog timeout period is normally one 2146066d6c7fSJan Beulich minute but can be changed with a boot-time parameter. 2147066d6c7fSJan Beulich 2148d805a786SAl Viroconfig UML_WATCHDOG 2149d805a786SAl Viro tristate "UML watchdog" 2150da2a68b3SGuenter Roeck depends on UML || COMPILE_TEST 2151d805a786SAl Viro 2152b7e04f8cSWim Van Sebroeck# 2153b7e04f8cSWim Van Sebroeck# ISA-based Watchdog Cards 2154b7e04f8cSWim Van Sebroeck# 2155b7e04f8cSWim Van Sebroeck 2156b7e04f8cSWim Van Sebroeckcomment "ISA-based Watchdog Cards" 2157b7e04f8cSWim Van Sebroeck depends on ISA 2158b7e04f8cSWim Van Sebroeck 2159b7e04f8cSWim Van Sebroeckconfig PCWATCHDOG 2160b7e04f8cSWim Van Sebroeck tristate "Berkshire Products ISA-PC Watchdog" 2161b7e04f8cSWim Van Sebroeck depends on ISA 2162a7f7f624SMasahiro Yamada help 2163b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products ISA-PC Watchdog card. 2164b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2165b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2166b7e04f8cSWim Van Sebroeck time. This driver is like the WDT501 driver but for different 216701028829SRandy Dunlap hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 216801028829SRandy Dunlap The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 2169b7e04f8cSWim Van Sebroeck 2170b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2171b7e04f8cSWim Van Sebroeck module will be called pcwd. 2172b7e04f8cSWim Van Sebroeck 2173b7e04f8cSWim Van Sebroeck Most people will say N. 2174b7e04f8cSWim Van Sebroeck 2175b7e04f8cSWim Van Sebroeckconfig MIXCOMWD 2176b7e04f8cSWim Van Sebroeck tristate "Mixcom Watchdog" 2177b7e04f8cSWim Van Sebroeck depends on ISA 2178a7f7f624SMasahiro Yamada help 2179b7e04f8cSWim Van Sebroeck This is a driver for the Mixcom hardware watchdog cards. This 2180b7e04f8cSWim Van Sebroeck watchdog simply watches your kernel to make sure it doesn't freeze, 2181b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2182b7e04f8cSWim Van Sebroeck time. 2183b7e04f8cSWim Van Sebroeck 2184b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2185b7e04f8cSWim Van Sebroeck module will be called mixcomwd. 2186b7e04f8cSWim Van Sebroeck 2187b7e04f8cSWim Van Sebroeck Most people will say N. 2188b7e04f8cSWim Van Sebroeck 2189b7e04f8cSWim Van Sebroeckconfig WDT 2190b7e04f8cSWim Van Sebroeck tristate "WDT Watchdog timer" 2191b7e04f8cSWim Van Sebroeck depends on ISA 2192a7f7f624SMasahiro Yamada help 2193b7e04f8cSWim Van Sebroeck If you have a WDT500P or WDT501P watchdog board, say Y here, 2194b7e04f8cSWim Van Sebroeck otherwise N. It is not possible to probe for this board, which means 2195b7e04f8cSWim Van Sebroeck that you have to inform the kernel about the IO port and IRQ that 2196b7e04f8cSWim Van Sebroeck is needed (you can do this via the io and irq parameters) 2197b7e04f8cSWim Van Sebroeck 2198b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2199b7e04f8cSWim Van Sebroeck module will be called wdt. 2200b7e04f8cSWim Van Sebroeck 2201b7e04f8cSWim Van Sebroeck# 2202b7e04f8cSWim Van Sebroeck# PCI-based Watchdog Cards 2203b7e04f8cSWim Van Sebroeck# 2204b7e04f8cSWim Van Sebroeck 2205b7e04f8cSWim Van Sebroeckcomment "PCI-based Watchdog Cards" 2206b7e04f8cSWim Van Sebroeck depends on PCI 2207b7e04f8cSWim Van Sebroeck 2208b7e04f8cSWim Van Sebroeckconfig PCIPCWATCHDOG 2209b7e04f8cSWim Van Sebroeck tristate "Berkshire Products PCI-PC Watchdog" 2210b7e04f8cSWim Van Sebroeck depends on PCI 2211a7f7f624SMasahiro Yamada help 2212b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products PCI-PC Watchdog card. 2213b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2214b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2215b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2216b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 2217b7e04f8cSWim Van Sebroeck 2218b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2219b7e04f8cSWim Van Sebroeck module will be called pcwd_pci. 2220b7e04f8cSWim Van Sebroeck 2221b7e04f8cSWim Van Sebroeck Most people will say N. 2222b7e04f8cSWim Van Sebroeck 2223b7e04f8cSWim Van Sebroeckconfig WDTPCI 2224b7e04f8cSWim Van Sebroeck tristate "PCI-WDT500/501 Watchdog timer" 2225b7e04f8cSWim Van Sebroeck depends on PCI 2226a7f7f624SMasahiro Yamada help 2227b7e04f8cSWim Van Sebroeck If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 2228b7e04f8cSWim Van Sebroeck 22299b901ee0SWim Van Sebroeck If you have a PCI-WDT501 watchdog board then you can enable the 22309b901ee0SWim Van Sebroeck temperature sensor by setting the type parameter to 501. 2231b7e04f8cSWim Van Sebroeck 2232b7e04f8cSWim Van Sebroeck If you want to enable the Fan Tachometer on the PCI-WDT501, then you 2233b7e04f8cSWim Van Sebroeck can do this via the tachometer parameter. Only do this if you have a 2234b7e04f8cSWim Van Sebroeck fan tachometer actually set up. 2235b7e04f8cSWim Van Sebroeck 22369b901ee0SWim Van Sebroeck To compile this driver as a module, choose M here: the 22379b901ee0SWim Van Sebroeck module will be called wdt_pci. 22389b901ee0SWim Van Sebroeck 2239b7e04f8cSWim Van Sebroeck# 2240b7e04f8cSWim Van Sebroeck# USB-based Watchdog Cards 2241b7e04f8cSWim Van Sebroeck# 2242b7e04f8cSWim Van Sebroeck 2243b7e04f8cSWim Van Sebroeckcomment "USB-based Watchdog Cards" 2244b7e04f8cSWim Van Sebroeck depends on USB 2245b7e04f8cSWim Van Sebroeck 2246b7e04f8cSWim Van Sebroeckconfig USBPCWATCHDOG 2247b7e04f8cSWim Van Sebroeck tristate "Berkshire Products USB-PC Watchdog" 2248b7e04f8cSWim Van Sebroeck depends on USB 2249a7f7f624SMasahiro Yamada help 2250b7e04f8cSWim Van Sebroeck This is the driver for the Berkshire Products USB-PC Watchdog card. 2251b7e04f8cSWim Van Sebroeck This card simply watches your kernel to make sure it doesn't freeze, 2252b7e04f8cSWim Van Sebroeck and if it does, it reboots your computer after a certain amount of 2253b7e04f8cSWim Van Sebroeck time. The card can also monitor the internal temperature of the PC. 2254b7e04f8cSWim Van Sebroeck More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 2255b7e04f8cSWim Van Sebroeck 2256b7e04f8cSWim Van Sebroeck To compile this driver as a module, choose M here: the 2257b7e04f8cSWim Van Sebroeck module will be called pcwd_usb. 2258b7e04f8cSWim Van Sebroeck 2259b7e04f8cSWim Van Sebroeck Most people will say N. 2260b7e04f8cSWim Van Sebroeck 2261fa0f8d51SVijayakannan Ayyathuraiconfig KEEMBAY_WATCHDOG 2262fa0f8d51SVijayakannan Ayyathurai tristate "Intel Keem Bay SoC non-secure watchdog" 2263fa0f8d51SVijayakannan Ayyathurai depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 2264fa0f8d51SVijayakannan Ayyathurai select WATCHDOG_CORE 2265fa0f8d51SVijayakannan Ayyathurai help 2266fa0f8d51SVijayakannan Ayyathurai This option enable support for an In-secure watchdog timer driver for 2267fa0f8d51SVijayakannan Ayyathurai Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 2268fa0f8d51SVijayakannan Ayyathurai count unit. An interrupt will be triggered, when the count crosses 2269c891ef7dSWong Vee Khee the threshold configured in the register. 2270fa0f8d51SVijayakannan Ayyathurai 2271fa0f8d51SVijayakannan Ayyathurai To compile this driver as a module, choose M here: the 2272fa0f8d51SVijayakannan Ayyathurai module will be called keembay_wdt. 2273fa0f8d51SVijayakannan Ayyathurai 2274b7e04f8cSWim Van Sebroeckendif # WATCHDOG 2275