162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci# 462306a36Sopenharmony_ci# Watchdog device configuration 562306a36Sopenharmony_ci# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cimenuconfig WATCHDOG 862306a36Sopenharmony_ci bool "Watchdog Timer Support" 962306a36Sopenharmony_ci help 1062306a36Sopenharmony_ci If you say Y here (and to one of the following options) and create a 1162306a36Sopenharmony_ci character special file /dev/watchdog with major number 10 and minor 1262306a36Sopenharmony_ci number 130 using mknod ("man mknod"), you will get a watchdog, i.e.: 1362306a36Sopenharmony_ci subsequently opening the file and then failing to write to it for 1462306a36Sopenharmony_ci longer than 1 minute will result in rebooting the machine. This 1562306a36Sopenharmony_ci could be useful for a networked machine that needs to come back 1662306a36Sopenharmony_ci on-line as fast as possible after a lock-up. There's both a watchdog 1762306a36Sopenharmony_ci implementation entirely in software (which can sometimes fail to 1862306a36Sopenharmony_ci reboot the machine) and a driver for hardware watchdog boards, which 1962306a36Sopenharmony_ci are more robust and can also keep track of the temperature inside 2062306a36Sopenharmony_ci your computer. For details, read 2162306a36Sopenharmony_ci <file:Documentation/watchdog/watchdog-api.rst> in the kernel source. 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci The watchdog is usually used together with the watchdog daemon 2462306a36Sopenharmony_ci which is available from 2562306a36Sopenharmony_ci <https://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon 2662306a36Sopenharmony_ci can also monitor NFS connections and can reboot the machine when the 2762306a36Sopenharmony_ci process table is full. 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci If unsure, say N. 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciif WATCHDOG 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ciconfig WATCHDOG_CORE 3462306a36Sopenharmony_ci tristate "WatchDog Timer Driver Core" 3562306a36Sopenharmony_ci help 3662306a36Sopenharmony_ci Say Y here if you want to use the new watchdog timer driver core. 3762306a36Sopenharmony_ci This driver provides a framework for all watchdog timer drivers 3862306a36Sopenharmony_ci and gives them the /dev/watchdog interface (and later also the 3962306a36Sopenharmony_ci sysfs interface). 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ciconfig WATCHDOG_NOWAYOUT 4262306a36Sopenharmony_ci bool "Disable watchdog shutdown on close" 4362306a36Sopenharmony_ci help 4462306a36Sopenharmony_ci The default watchdog behaviour (which you get if you say N here) is 4562306a36Sopenharmony_ci to stop the timer if the process managing it closes the file 4662306a36Sopenharmony_ci /dev/watchdog. It's always remotely possible that this process might 4762306a36Sopenharmony_ci get killed. If you say Y here, the watchdog cannot be stopped once 4862306a36Sopenharmony_ci it has been started. 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ciconfig WATCHDOG_HANDLE_BOOT_ENABLED 5162306a36Sopenharmony_ci bool "Update boot-enabled watchdog until userspace takes over" 5262306a36Sopenharmony_ci default y 5362306a36Sopenharmony_ci help 5462306a36Sopenharmony_ci The default watchdog behaviour (which you get if you say Y here) is 5562306a36Sopenharmony_ci to ping watchdog devices that were enabled before the driver has 5662306a36Sopenharmony_ci been loaded until control is taken over from userspace using the 5762306a36Sopenharmony_ci /dev/watchdog file. If you say N here, the kernel will not update 5862306a36Sopenharmony_ci the watchdog on its own. Thus if your userspace does not start fast 5962306a36Sopenharmony_ci enough your device will reboot. 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_ciconfig WATCHDOG_OPEN_TIMEOUT 6262306a36Sopenharmony_ci int "Timeout value for opening watchdog device" 6362306a36Sopenharmony_ci default 0 6462306a36Sopenharmony_ci help 6562306a36Sopenharmony_ci The maximum time, in seconds, for which the watchdog framework takes 6662306a36Sopenharmony_ci care of pinging a hardware watchdog. A value of 0 means infinite. The 6762306a36Sopenharmony_ci value set here can be overridden by the commandline parameter 6862306a36Sopenharmony_ci "watchdog.open_timeout". 6962306a36Sopenharmony_ci 7062306a36Sopenharmony_ciconfig WATCHDOG_SYSFS 7162306a36Sopenharmony_ci bool "Read different watchdog information through sysfs" 7262306a36Sopenharmony_ci help 7362306a36Sopenharmony_ci Say Y here if you want to enable watchdog device status read through 7462306a36Sopenharmony_ci sysfs attributes. 7562306a36Sopenharmony_ci 7662306a36Sopenharmony_ciconfig WATCHDOG_HRTIMER_PRETIMEOUT 7762306a36Sopenharmony_ci bool "Enable watchdog hrtimer-based pretimeouts" 7862306a36Sopenharmony_ci help 7962306a36Sopenharmony_ci Enable this if you want to use a hrtimer timer based pretimeout for 8062306a36Sopenharmony_ci watchdogs that do not natively support pretimeout support. Be aware 8162306a36Sopenharmony_ci that because this pretimeout functionality uses hrtimers, it may not 8262306a36Sopenharmony_ci be able to fire before the actual watchdog fires in some situations. 8362306a36Sopenharmony_ci 8462306a36Sopenharmony_cicomment "Watchdog Pretimeout Governors" 8562306a36Sopenharmony_ci 8662306a36Sopenharmony_ciconfig WATCHDOG_PRETIMEOUT_GOV 8762306a36Sopenharmony_ci bool "Enable watchdog pretimeout governors" 8862306a36Sopenharmony_ci depends on WATCHDOG_CORE 8962306a36Sopenharmony_ci help 9062306a36Sopenharmony_ci The option allows to select watchdog pretimeout governors. 9162306a36Sopenharmony_ci 9262306a36Sopenharmony_ciconfig WATCHDOG_PRETIMEOUT_GOV_SEL 9362306a36Sopenharmony_ci tristate 9462306a36Sopenharmony_ci depends on WATCHDOG_PRETIMEOUT_GOV 9562306a36Sopenharmony_ci default m 9662306a36Sopenharmony_ci select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n 9762306a36Sopenharmony_ci 9862306a36Sopenharmony_ciif WATCHDOG_PRETIMEOUT_GOV 9962306a36Sopenharmony_ci 10062306a36Sopenharmony_ciconfig WATCHDOG_PRETIMEOUT_GOV_NOOP 10162306a36Sopenharmony_ci tristate "Noop watchdog pretimeout governor" 10262306a36Sopenharmony_ci depends on WATCHDOG_CORE 10362306a36Sopenharmony_ci default WATCHDOG_CORE 10462306a36Sopenharmony_ci help 10562306a36Sopenharmony_ci Noop watchdog pretimeout governor, only an informational 10662306a36Sopenharmony_ci message is added to kernel log buffer. 10762306a36Sopenharmony_ci 10862306a36Sopenharmony_ciconfig WATCHDOG_PRETIMEOUT_GOV_PANIC 10962306a36Sopenharmony_ci tristate "Panic watchdog pretimeout governor" 11062306a36Sopenharmony_ci depends on WATCHDOG_CORE 11162306a36Sopenharmony_ci default WATCHDOG_CORE 11262306a36Sopenharmony_ci help 11362306a36Sopenharmony_ci Panic watchdog pretimeout governor, on watchdog pretimeout 11462306a36Sopenharmony_ci event put the kernel into panic. 11562306a36Sopenharmony_ci 11662306a36Sopenharmony_cichoice 11762306a36Sopenharmony_ci prompt "Default Watchdog Pretimeout Governor" 11862306a36Sopenharmony_ci default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 11962306a36Sopenharmony_ci help 12062306a36Sopenharmony_ci This option selects a default watchdog pretimeout governor. 12162306a36Sopenharmony_ci The governor takes its action, if a watchdog is capable 12262306a36Sopenharmony_ci to report a pretimeout event. 12362306a36Sopenharmony_ci 12462306a36Sopenharmony_ciconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP 12562306a36Sopenharmony_ci bool "noop" 12662306a36Sopenharmony_ci depends on WATCHDOG_PRETIMEOUT_GOV_NOOP 12762306a36Sopenharmony_ci help 12862306a36Sopenharmony_ci Use noop watchdog pretimeout governor by default. If noop 12962306a36Sopenharmony_ci governor is selected by a user, write a short message to 13062306a36Sopenharmony_ci the kernel log buffer and don't do any system changes. 13162306a36Sopenharmony_ci 13262306a36Sopenharmony_ciconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC 13362306a36Sopenharmony_ci bool "panic" 13462306a36Sopenharmony_ci depends on WATCHDOG_PRETIMEOUT_GOV_PANIC 13562306a36Sopenharmony_ci help 13662306a36Sopenharmony_ci Use panic watchdog pretimeout governor by default, if 13762306a36Sopenharmony_ci a watchdog pretimeout event happens, consider that 13862306a36Sopenharmony_ci a watchdog feeder is dead and reboot is unavoidable. 13962306a36Sopenharmony_ci 14062306a36Sopenharmony_ciendchoice 14162306a36Sopenharmony_ci 14262306a36Sopenharmony_ciendif # WATCHDOG_PRETIMEOUT_GOV 14362306a36Sopenharmony_ci 14462306a36Sopenharmony_ci# 14562306a36Sopenharmony_ci# General Watchdog drivers 14662306a36Sopenharmony_ci# 14762306a36Sopenharmony_ci 14862306a36Sopenharmony_cicomment "Watchdog Device Drivers" 14962306a36Sopenharmony_ci 15062306a36Sopenharmony_ci# Architecture Independent 15162306a36Sopenharmony_ci 15262306a36Sopenharmony_ciconfig SOFT_WATCHDOG 15362306a36Sopenharmony_ci tristate "Software watchdog" 15462306a36Sopenharmony_ci select WATCHDOG_CORE 15562306a36Sopenharmony_ci help 15662306a36Sopenharmony_ci A software monitoring watchdog. This will fail to reboot your system 15762306a36Sopenharmony_ci from some situations that the hardware watchdog will recover 15862306a36Sopenharmony_ci from. Equally it's a lot cheaper to install. 15962306a36Sopenharmony_ci 16062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 16162306a36Sopenharmony_ci module will be called softdog. 16262306a36Sopenharmony_ci 16362306a36Sopenharmony_ciconfig SOFT_WATCHDOG_PRETIMEOUT 16462306a36Sopenharmony_ci bool "Software watchdog pretimeout governor support" 16562306a36Sopenharmony_ci depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV 16662306a36Sopenharmony_ci help 16762306a36Sopenharmony_ci Enable this if you want to use pretimeout governors with the software 16862306a36Sopenharmony_ci watchdog. Be aware that governors might affect the watchdog because it 16962306a36Sopenharmony_ci is purely software, e.g. the panic governor will stall it! 17062306a36Sopenharmony_ci 17162306a36Sopenharmony_ciconfig BD957XMUF_WATCHDOG 17262306a36Sopenharmony_ci tristate "ROHM BD9576MUF and BD9573MUF PMIC Watchdog" 17362306a36Sopenharmony_ci depends on MFD_ROHM_BD957XMUF 17462306a36Sopenharmony_ci select WATCHDOG_CORE 17562306a36Sopenharmony_ci help 17662306a36Sopenharmony_ci Support for the watchdog in the ROHM BD9576 and BD9573 PMICs. 17762306a36Sopenharmony_ci These PMIC ICs contain watchdog block which can be configured 17862306a36Sopenharmony_ci to toggle reset line if SoC fails to ping watchdog via GPIO. 17962306a36Sopenharmony_ci 18062306a36Sopenharmony_ci Say Y here to include support for the ROHM BD9576 or BD9573 18162306a36Sopenharmony_ci watchdog. Alternatively say M to compile the driver as a module, 18262306a36Sopenharmony_ci which will be called bd9576_wdt. 18362306a36Sopenharmony_ci 18462306a36Sopenharmony_ciconfig DA9052_WATCHDOG 18562306a36Sopenharmony_ci tristate "Dialog DA9052 Watchdog" 18662306a36Sopenharmony_ci depends on PMIC_DA9052 || COMPILE_TEST 18762306a36Sopenharmony_ci select WATCHDOG_CORE 18862306a36Sopenharmony_ci help 18962306a36Sopenharmony_ci Support for the watchdog in the DA9052 PMIC. Watchdog trigger 19062306a36Sopenharmony_ci cause system reset. 19162306a36Sopenharmony_ci 19262306a36Sopenharmony_ci Say Y here to include support for the DA9052 watchdog. 19362306a36Sopenharmony_ci Alternatively say M to compile the driver as a module, 19462306a36Sopenharmony_ci which will be called da9052_wdt. 19562306a36Sopenharmony_ci 19662306a36Sopenharmony_ciconfig DA9055_WATCHDOG 19762306a36Sopenharmony_ci tristate "Dialog Semiconductor DA9055 Watchdog" 19862306a36Sopenharmony_ci depends on MFD_DA9055 || COMPILE_TEST 19962306a36Sopenharmony_ci select WATCHDOG_CORE 20062306a36Sopenharmony_ci help 20162306a36Sopenharmony_ci If you say yes here you get support for watchdog on the Dialog 20262306a36Sopenharmony_ci Semiconductor DA9055 PMIC. 20362306a36Sopenharmony_ci 20462306a36Sopenharmony_ci This driver can also be built as a module. If so, the module 20562306a36Sopenharmony_ci will be called da9055_wdt. 20662306a36Sopenharmony_ci 20762306a36Sopenharmony_ciconfig DA9063_WATCHDOG 20862306a36Sopenharmony_ci tristate "Dialog DA9063 Watchdog" 20962306a36Sopenharmony_ci depends on MFD_DA9063 || COMPILE_TEST 21062306a36Sopenharmony_ci depends on I2C 21162306a36Sopenharmony_ci select WATCHDOG_CORE 21262306a36Sopenharmony_ci help 21362306a36Sopenharmony_ci Support for the watchdog in the DA9063 PMIC. 21462306a36Sopenharmony_ci 21562306a36Sopenharmony_ci This driver can be built as a module. The module name is da9063_wdt. 21662306a36Sopenharmony_ci 21762306a36Sopenharmony_ciconfig DA9062_WATCHDOG 21862306a36Sopenharmony_ci tristate "Dialog DA9062/61 Watchdog" 21962306a36Sopenharmony_ci depends on MFD_DA9062 || COMPILE_TEST 22062306a36Sopenharmony_ci depends on I2C 22162306a36Sopenharmony_ci select WATCHDOG_CORE 22262306a36Sopenharmony_ci help 22362306a36Sopenharmony_ci Support for the watchdog in the DA9062 and DA9061 PMICs. 22462306a36Sopenharmony_ci 22562306a36Sopenharmony_ci This driver can be built as a module. The module name is da9062_wdt. 22662306a36Sopenharmony_ci 22762306a36Sopenharmony_ciconfig GPIO_WATCHDOG 22862306a36Sopenharmony_ci tristate "Watchdog device controlled through GPIO-line" 22962306a36Sopenharmony_ci depends on OF_GPIO 23062306a36Sopenharmony_ci select WATCHDOG_CORE 23162306a36Sopenharmony_ci help 23262306a36Sopenharmony_ci If you say yes here you get support for watchdog device 23362306a36Sopenharmony_ci controlled through GPIO-line. 23462306a36Sopenharmony_ci 23562306a36Sopenharmony_ciconfig GPIO_WATCHDOG_ARCH_INITCALL 23662306a36Sopenharmony_ci bool "Register the watchdog as early as possible" 23762306a36Sopenharmony_ci depends on GPIO_WATCHDOG=y 23862306a36Sopenharmony_ci help 23962306a36Sopenharmony_ci In some situations, the default initcall level (module_init) 24062306a36Sopenharmony_ci in not early enough in the boot process to avoid the watchdog 24162306a36Sopenharmony_ci to be triggered. 24262306a36Sopenharmony_ci If you say yes here, the initcall level would be raised to 24362306a36Sopenharmony_ci arch_initcall. 24462306a36Sopenharmony_ci If in doubt, say N. 24562306a36Sopenharmony_ci 24662306a36Sopenharmony_ciconfig MENF21BMC_WATCHDOG 24762306a36Sopenharmony_ci tristate "MEN 14F021P00 BMC Watchdog" 24862306a36Sopenharmony_ci depends on MFD_MENF21BMC || COMPILE_TEST 24962306a36Sopenharmony_ci depends on I2C 25062306a36Sopenharmony_ci select WATCHDOG_CORE 25162306a36Sopenharmony_ci help 25262306a36Sopenharmony_ci Say Y here to include support for the MEN 14F021P00 BMC Watchdog. 25362306a36Sopenharmony_ci 25462306a36Sopenharmony_ci This driver can also be built as a module. If so the module 25562306a36Sopenharmony_ci will be called menf21bmc_wdt. 25662306a36Sopenharmony_ci 25762306a36Sopenharmony_ciconfig MENZ069_WATCHDOG 25862306a36Sopenharmony_ci tristate "MEN 16Z069 Watchdog" 25962306a36Sopenharmony_ci depends on MCB 26062306a36Sopenharmony_ci select WATCHDOG_CORE 26162306a36Sopenharmony_ci help 26262306a36Sopenharmony_ci Say Y here to include support for the MEN 16Z069 Watchdog. 26362306a36Sopenharmony_ci 26462306a36Sopenharmony_ci This driver can also be built as a module. If so the module 26562306a36Sopenharmony_ci will be called menz069_wdt. 26662306a36Sopenharmony_ci 26762306a36Sopenharmony_ciconfig WDAT_WDT 26862306a36Sopenharmony_ci tristate "ACPI Watchdog Action Table (WDAT)" 26962306a36Sopenharmony_ci depends on ACPI 27062306a36Sopenharmony_ci select WATCHDOG_CORE 27162306a36Sopenharmony_ci select ACPI_WATCHDOG 27262306a36Sopenharmony_ci help 27362306a36Sopenharmony_ci This driver adds support for systems with ACPI Watchdog Action 27462306a36Sopenharmony_ci Table (WDAT) table. Servers typically have this but it can be 27562306a36Sopenharmony_ci found on some desktop machines as well. This driver will take 27662306a36Sopenharmony_ci over the native iTCO watchdog driver found on many Intel CPUs. 27762306a36Sopenharmony_ci 27862306a36Sopenharmony_ci To compile this driver as module, choose M here: the module will 27962306a36Sopenharmony_ci be called wdat_wdt. 28062306a36Sopenharmony_ci 28162306a36Sopenharmony_ciconfig WM831X_WATCHDOG 28262306a36Sopenharmony_ci tristate "WM831x watchdog" 28362306a36Sopenharmony_ci depends on MFD_WM831X 28462306a36Sopenharmony_ci select WATCHDOG_CORE 28562306a36Sopenharmony_ci help 28662306a36Sopenharmony_ci Support for the watchdog in the WM831x AudioPlus PMICs. When 28762306a36Sopenharmony_ci the watchdog triggers the system will be reset. 28862306a36Sopenharmony_ci 28962306a36Sopenharmony_ciconfig WM8350_WATCHDOG 29062306a36Sopenharmony_ci tristate "WM8350 watchdog" 29162306a36Sopenharmony_ci depends on MFD_WM8350 29262306a36Sopenharmony_ci select WATCHDOG_CORE 29362306a36Sopenharmony_ci help 29462306a36Sopenharmony_ci Support for the watchdog in the WM8350 AudioPlus PMIC. When 29562306a36Sopenharmony_ci the watchdog triggers the system will be reset. 29662306a36Sopenharmony_ci 29762306a36Sopenharmony_ciconfig XILINX_WATCHDOG 29862306a36Sopenharmony_ci tristate "Xilinx Watchdog timer" 29962306a36Sopenharmony_ci depends on HAS_IOMEM 30062306a36Sopenharmony_ci select WATCHDOG_CORE 30162306a36Sopenharmony_ci help 30262306a36Sopenharmony_ci Watchdog driver for the xps_timebase_wdt IP core. 30362306a36Sopenharmony_ci 30462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 30562306a36Sopenharmony_ci module will be called of_xilinx_wdt. 30662306a36Sopenharmony_ci 30762306a36Sopenharmony_ciconfig XILINX_WINDOW_WATCHDOG 30862306a36Sopenharmony_ci tristate "Xilinx window watchdog timer" 30962306a36Sopenharmony_ci depends on HAS_IOMEM 31062306a36Sopenharmony_ci depends on ARM64 || COMPILE_TEST 31162306a36Sopenharmony_ci select WATCHDOG_CORE 31262306a36Sopenharmony_ci help 31362306a36Sopenharmony_ci Window watchdog driver for the versal_wwdt IP core. 31462306a36Sopenharmony_ci Window watchdog timer(WWDT) contains closed(first) and 31562306a36Sopenharmony_ci open(second) window with 32 bit width. Write to the watchdog 31662306a36Sopenharmony_ci timer within predefined window periods of time. This means 31762306a36Sopenharmony_ci a period that is not too soon and a period that is not too 31862306a36Sopenharmony_ci late. The WWDT has to be restarted within the open window time. 31962306a36Sopenharmony_ci If software tries to restart WWDT outside of the open window 32062306a36Sopenharmony_ci time period, it generates a reset. 32162306a36Sopenharmony_ci 32262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 32362306a36Sopenharmony_ci module will be called xilinx_wwdt. 32462306a36Sopenharmony_ci 32562306a36Sopenharmony_ciconfig ZIIRAVE_WATCHDOG 32662306a36Sopenharmony_ci tristate "Zodiac RAVE Watchdog Timer" 32762306a36Sopenharmony_ci depends on I2C 32862306a36Sopenharmony_ci select WATCHDOG_CORE 32962306a36Sopenharmony_ci help 33062306a36Sopenharmony_ci Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog 33162306a36Sopenharmony_ci Processor. 33262306a36Sopenharmony_ci 33362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 33462306a36Sopenharmony_ci module will be called ziirave_wdt. 33562306a36Sopenharmony_ci 33662306a36Sopenharmony_ciconfig RAVE_SP_WATCHDOG 33762306a36Sopenharmony_ci tristate "RAVE SP Watchdog timer" 33862306a36Sopenharmony_ci depends on RAVE_SP_CORE 33962306a36Sopenharmony_ci depends on NVMEM || !NVMEM 34062306a36Sopenharmony_ci select WATCHDOG_CORE 34162306a36Sopenharmony_ci help 34262306a36Sopenharmony_ci Support for the watchdog on RAVE SP device. 34362306a36Sopenharmony_ci 34462306a36Sopenharmony_ciconfig MLX_WDT 34562306a36Sopenharmony_ci tristate "Mellanox Watchdog" 34662306a36Sopenharmony_ci depends on MELLANOX_PLATFORM || COMPILE_TEST 34762306a36Sopenharmony_ci select WATCHDOG_CORE 34862306a36Sopenharmony_ci select REGMAP 34962306a36Sopenharmony_ci help 35062306a36Sopenharmony_ci This is the driver for the hardware watchdog on Mellanox systems. 35162306a36Sopenharmony_ci If you are going to use it, say Y here, otherwise N. 35262306a36Sopenharmony_ci This driver can be used together with the watchdog daemon. 35362306a36Sopenharmony_ci It can also watch your kernel to make sure it doesn't freeze, 35462306a36Sopenharmony_ci and if it does, it reboots your system after a certain amount of 35562306a36Sopenharmony_ci time. 35662306a36Sopenharmony_ci 35762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 35862306a36Sopenharmony_ci module will be called mlx-wdt. 35962306a36Sopenharmony_ci 36062306a36Sopenharmony_ciconfig SL28CPLD_WATCHDOG 36162306a36Sopenharmony_ci tristate "Kontron sl28cpld Watchdog" 36262306a36Sopenharmony_ci depends on MFD_SL28CPLD || COMPILE_TEST 36362306a36Sopenharmony_ci select WATCHDOG_CORE 36462306a36Sopenharmony_ci help 36562306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 36662306a36Sopenharmony_ci on the Kontron sl28 CPLD. 36762306a36Sopenharmony_ci 36862306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 36962306a36Sopenharmony_ci module will be called sl28cpld_wdt. 37062306a36Sopenharmony_ci 37162306a36Sopenharmony_ci# ALPHA Architecture 37262306a36Sopenharmony_ci 37362306a36Sopenharmony_ci# ARM Architecture 37462306a36Sopenharmony_ci 37562306a36Sopenharmony_ciconfig ARM_SP805_WATCHDOG 37662306a36Sopenharmony_ci tristate "ARM SP805 Watchdog" 37762306a36Sopenharmony_ci depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA 37862306a36Sopenharmony_ci select WATCHDOG_CORE 37962306a36Sopenharmony_ci help 38062306a36Sopenharmony_ci ARM Primecell SP805 Watchdog timer. This will reboot your system when 38162306a36Sopenharmony_ci the timeout is reached. 38262306a36Sopenharmony_ci 38362306a36Sopenharmony_ciconfig ARM_SBSA_WATCHDOG 38462306a36Sopenharmony_ci tristate "ARM SBSA Generic Watchdog" 38562306a36Sopenharmony_ci depends on ARM64 38662306a36Sopenharmony_ci depends on ARM_ARCH_TIMER 38762306a36Sopenharmony_ci select WATCHDOG_CORE 38862306a36Sopenharmony_ci help 38962306a36Sopenharmony_ci ARM SBSA Generic Watchdog has two stage timeouts: 39062306a36Sopenharmony_ci the first signal (WS0) is for alerting the system by interrupt, 39162306a36Sopenharmony_ci the second one (WS1) is a real hardware reset. 39262306a36Sopenharmony_ci More details: ARM DEN0029B - Server Base System Architecture (SBSA) 39362306a36Sopenharmony_ci 39462306a36Sopenharmony_ci This driver can operate ARM SBSA Generic Watchdog as a single stage 39562306a36Sopenharmony_ci or a two stages watchdog, it depends on the module parameter "action". 39662306a36Sopenharmony_ci 39762306a36Sopenharmony_ci Note: the maximum timeout in the two stages mode is half of that in 39862306a36Sopenharmony_ci the single stage mode. 39962306a36Sopenharmony_ci 40062306a36Sopenharmony_ci To compile this driver as module, choose M here: The module 40162306a36Sopenharmony_ci will be called sbsa_gwdt. 40262306a36Sopenharmony_ci 40362306a36Sopenharmony_ciconfig ARMADA_37XX_WATCHDOG 40462306a36Sopenharmony_ci tristate "Armada 37xx watchdog" 40562306a36Sopenharmony_ci depends on ARCH_MVEBU || COMPILE_TEST 40662306a36Sopenharmony_ci depends on HAS_IOMEM 40762306a36Sopenharmony_ci select MFD_SYSCON 40862306a36Sopenharmony_ci select WATCHDOG_CORE 40962306a36Sopenharmony_ci help 41062306a36Sopenharmony_ci Say Y here to include support for the watchdog timer found on 41162306a36Sopenharmony_ci Marvell Armada 37xx SoCs. 41262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 41362306a36Sopenharmony_ci module will be called armada_37xx_wdt. 41462306a36Sopenharmony_ci 41562306a36Sopenharmony_ciconfig ASM9260_WATCHDOG 41662306a36Sopenharmony_ci tristate "Alphascale ASM9260 watchdog" 41762306a36Sopenharmony_ci depends on MACH_ASM9260 || COMPILE_TEST 41862306a36Sopenharmony_ci depends on OF 41962306a36Sopenharmony_ci select WATCHDOG_CORE 42062306a36Sopenharmony_ci select RESET_CONTROLLER 42162306a36Sopenharmony_ci help 42262306a36Sopenharmony_ci Watchdog timer embedded into Alphascale asm9260 chips. This will 42362306a36Sopenharmony_ci reboot your system when the timeout is reached. 42462306a36Sopenharmony_ci 42562306a36Sopenharmony_ciconfig AT91RM9200_WATCHDOG 42662306a36Sopenharmony_ci tristate "AT91RM9200 watchdog" 42762306a36Sopenharmony_ci depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST 42862306a36Sopenharmony_ci help 42962306a36Sopenharmony_ci Watchdog timer embedded into AT91RM9200 chips. This will reboot your 43062306a36Sopenharmony_ci system when the timeout is reached. 43162306a36Sopenharmony_ci 43262306a36Sopenharmony_ciconfig AT91SAM9X_WATCHDOG 43362306a36Sopenharmony_ci tristate "AT91SAM9X / AT91CAP9 watchdog" 43462306a36Sopenharmony_ci depends on ARCH_AT91 || COMPILE_TEST 43562306a36Sopenharmony_ci select WATCHDOG_CORE 43662306a36Sopenharmony_ci help 43762306a36Sopenharmony_ci Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will 43862306a36Sopenharmony_ci reboot your system when the timeout is reached. 43962306a36Sopenharmony_ci 44062306a36Sopenharmony_ciconfig SAMA5D4_WATCHDOG 44162306a36Sopenharmony_ci tristate "Atmel SAMA5D4 Watchdog Timer" 44262306a36Sopenharmony_ci depends on ARCH_AT91 || COMPILE_TEST 44362306a36Sopenharmony_ci select WATCHDOG_CORE 44462306a36Sopenharmony_ci help 44562306a36Sopenharmony_ci Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips. 44662306a36Sopenharmony_ci Its Watchdog Timer Mode Register can be written more than once. 44762306a36Sopenharmony_ci This will reboot your system when the timeout is reached. 44862306a36Sopenharmony_ci 44962306a36Sopenharmony_ciconfig CADENCE_WATCHDOG 45062306a36Sopenharmony_ci tristate "Cadence Watchdog Timer" 45162306a36Sopenharmony_ci depends on HAS_IOMEM 45262306a36Sopenharmony_ci select WATCHDOG_CORE 45362306a36Sopenharmony_ci help 45462306a36Sopenharmony_ci Say Y here if you want to include support for the watchdog 45562306a36Sopenharmony_ci timer in the Xilinx Zynq. 45662306a36Sopenharmony_ci 45762306a36Sopenharmony_ciconfig 21285_WATCHDOG 45862306a36Sopenharmony_ci tristate "DC21285 watchdog" 45962306a36Sopenharmony_ci depends on FOOTBRIDGE 46062306a36Sopenharmony_ci help 46162306a36Sopenharmony_ci The Intel Footbridge chip contains a built-in watchdog circuit. Say Y 46262306a36Sopenharmony_ci here if you wish to use this. Alternatively say M to compile the 46362306a36Sopenharmony_ci driver as a module, which will be called wdt285. 46462306a36Sopenharmony_ci 46562306a36Sopenharmony_ci This driver does not work on all machines. In particular, early CATS 46662306a36Sopenharmony_ci boards have hardware problems that will cause the machine to simply 46762306a36Sopenharmony_ci lock up if the watchdog fires. 46862306a36Sopenharmony_ci 46962306a36Sopenharmony_ci "If in doubt, leave it out" - say N. 47062306a36Sopenharmony_ci 47162306a36Sopenharmony_ciconfig 977_WATCHDOG 47262306a36Sopenharmony_ci tristate "NetWinder WB83C977 watchdog" 47362306a36Sopenharmony_ci depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST) 47462306a36Sopenharmony_ci help 47562306a36Sopenharmony_ci Say Y here to include support for the WB977 watchdog included in 47662306a36Sopenharmony_ci NetWinder machines. Alternatively say M to compile the driver as 47762306a36Sopenharmony_ci a module, which will be called wdt977. 47862306a36Sopenharmony_ci 47962306a36Sopenharmony_ci Not sure? It's safe to say N. 48062306a36Sopenharmony_ci 48162306a36Sopenharmony_ciconfig FTWDT010_WATCHDOG 48262306a36Sopenharmony_ci tristate "Faraday Technology FTWDT010 watchdog" 48362306a36Sopenharmony_ci depends on ARM || COMPILE_TEST 48462306a36Sopenharmony_ci select WATCHDOG_CORE 48562306a36Sopenharmony_ci default ARCH_GEMINI 48662306a36Sopenharmony_ci help 48762306a36Sopenharmony_ci Say Y here if to include support for the Faraday Technology 48862306a36Sopenharmony_ci FTWDT010 watchdog timer embedded in the Cortina Systems Gemini 48962306a36Sopenharmony_ci family of devices. 49062306a36Sopenharmony_ci 49162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 49262306a36Sopenharmony_ci module will be called ftwdt010_wdt. 49362306a36Sopenharmony_ci 49462306a36Sopenharmony_ciconfig IXP4XX_WATCHDOG 49562306a36Sopenharmony_ci tristate "IXP4xx Watchdog" 49662306a36Sopenharmony_ci depends on ARCH_IXP4XX || (ARM && COMPILE_TEST) 49762306a36Sopenharmony_ci select WATCHDOG_CORE 49862306a36Sopenharmony_ci help 49962306a36Sopenharmony_ci Say Y here if to include support for the watchdog timer 50062306a36Sopenharmony_ci in the Intel IXP4xx network processors. This driver can 50162306a36Sopenharmony_ci be built as a module by choosing M. The module will 50262306a36Sopenharmony_ci be called ixp4xx_wdt. 50362306a36Sopenharmony_ci 50462306a36Sopenharmony_ci Note: The internal IXP4xx watchdog does a soft CPU reset 50562306a36Sopenharmony_ci which doesn't reset any peripherals. There are circumstances 50662306a36Sopenharmony_ci where the watchdog will fail to reset the board correctly 50762306a36Sopenharmony_ci (e.g., if the boot ROM is in an unreadable state). 50862306a36Sopenharmony_ci 50962306a36Sopenharmony_ci Say N if you are unsure. 51062306a36Sopenharmony_ci 51162306a36Sopenharmony_ciconfig S3C2410_WATCHDOG 51262306a36Sopenharmony_ci tristate "S3C6410/S5Pv210/Exynos Watchdog" 51362306a36Sopenharmony_ci depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 51462306a36Sopenharmony_ci select WATCHDOG_CORE 51562306a36Sopenharmony_ci select MFD_SYSCON if ARCH_EXYNOS 51662306a36Sopenharmony_ci help 51762306a36Sopenharmony_ci Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos 51862306a36Sopenharmony_ci SoCs. This will reboot the system when the timer expires with 51962306a36Sopenharmony_ci the watchdog enabled. 52062306a36Sopenharmony_ci 52162306a36Sopenharmony_ci The driver is limited by the speed of the system's PCLK 52262306a36Sopenharmony_ci signal, so with reasonably fast systems (PCLK around 50-66MHz) 52362306a36Sopenharmony_ci then watchdog intervals of over approximately 20seconds are 52462306a36Sopenharmony_ci unavailable. 52562306a36Sopenharmony_ci 52662306a36Sopenharmony_ci Choose Y/M here only if you build for such Samsung SoC. 52762306a36Sopenharmony_ci The driver can be built as a module by choosing M, and will 52862306a36Sopenharmony_ci be called s3c2410_wdt. 52962306a36Sopenharmony_ci 53062306a36Sopenharmony_ciconfig SA1100_WATCHDOG 53162306a36Sopenharmony_ci tristate "SA1100/PXA2xx watchdog" 53262306a36Sopenharmony_ci depends on ARCH_SA1100 || ARCH_PXA || COMPILE_TEST 53362306a36Sopenharmony_ci help 53462306a36Sopenharmony_ci Watchdog timer embedded into SA11x0 and PXA2xx chips. This will 53562306a36Sopenharmony_ci reboot your system when timeout is reached. 53662306a36Sopenharmony_ci 53762306a36Sopenharmony_ci NOTE: once enabled, this timer cannot be disabled. 53862306a36Sopenharmony_ci 53962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 54062306a36Sopenharmony_ci module will be called sa1100_wdt. 54162306a36Sopenharmony_ci 54262306a36Sopenharmony_ciconfig DW_WATCHDOG 54362306a36Sopenharmony_ci tristate "Synopsys DesignWare watchdog" 54462306a36Sopenharmony_ci depends on HAS_IOMEM 54562306a36Sopenharmony_ci select WATCHDOG_CORE 54662306a36Sopenharmony_ci help 54762306a36Sopenharmony_ci Say Y here if to include support for the Synopsys DesignWare 54862306a36Sopenharmony_ci watchdog timer found in many chips. 54962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 55062306a36Sopenharmony_ci module will be called dw_wdt. 55162306a36Sopenharmony_ci 55262306a36Sopenharmony_ciconfig EP93XX_WATCHDOG 55362306a36Sopenharmony_ci tristate "EP93xx Watchdog" 55462306a36Sopenharmony_ci depends on ARCH_EP93XX || COMPILE_TEST 55562306a36Sopenharmony_ci select WATCHDOG_CORE 55662306a36Sopenharmony_ci help 55762306a36Sopenharmony_ci Say Y here if to include support for the watchdog timer 55862306a36Sopenharmony_ci embedded in the Cirrus Logic EP93xx family of devices. 55962306a36Sopenharmony_ci 56062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 56162306a36Sopenharmony_ci module will be called ep93xx_wdt. 56262306a36Sopenharmony_ci 56362306a36Sopenharmony_ciconfig OMAP_WATCHDOG 56462306a36Sopenharmony_ci tristate "OMAP Watchdog" 56562306a36Sopenharmony_ci depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST 56662306a36Sopenharmony_ci select WATCHDOG_CORE 56762306a36Sopenharmony_ci help 56862306a36Sopenharmony_ci Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. 56962306a36Sopenharmony_ci Say 'Y' here to enable the 57062306a36Sopenharmony_ci OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer. 57162306a36Sopenharmony_ci 57262306a36Sopenharmony_ciconfig PNX4008_WATCHDOG 57362306a36Sopenharmony_ci tristate "LPC32XX Watchdog" 57462306a36Sopenharmony_ci depends on ARCH_LPC32XX || COMPILE_TEST 57562306a36Sopenharmony_ci select WATCHDOG_CORE 57662306a36Sopenharmony_ci help 57762306a36Sopenharmony_ci Say Y here if to include support for the watchdog timer 57862306a36Sopenharmony_ci in the LPC32XX processor. 57962306a36Sopenharmony_ci This driver can be built as a module by choosing M. The module 58062306a36Sopenharmony_ci will be called pnx4008_wdt. 58162306a36Sopenharmony_ci 58262306a36Sopenharmony_ci Say N if you are unsure. 58362306a36Sopenharmony_ci 58462306a36Sopenharmony_ciconfig DAVINCI_WATCHDOG 58562306a36Sopenharmony_ci tristate "DaVinci watchdog" 58662306a36Sopenharmony_ci depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 58762306a36Sopenharmony_ci select WATCHDOG_CORE 58862306a36Sopenharmony_ci help 58962306a36Sopenharmony_ci Say Y here if to include support for the watchdog timer 59062306a36Sopenharmony_ci in the DaVinci DM644x/DM646x or Keystone processors. 59162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 59262306a36Sopenharmony_ci module will be called davinci_wdt. 59362306a36Sopenharmony_ci 59462306a36Sopenharmony_ci NOTE: once enabled, this timer cannot be disabled. 59562306a36Sopenharmony_ci Say N if you are unsure. 59662306a36Sopenharmony_ci 59762306a36Sopenharmony_ciconfig K3_RTI_WATCHDOG 59862306a36Sopenharmony_ci tristate "Texas Instruments K3 RTI watchdog" 59962306a36Sopenharmony_ci depends on ARCH_K3 || COMPILE_TEST 60062306a36Sopenharmony_ci select WATCHDOG_CORE 60162306a36Sopenharmony_ci help 60262306a36Sopenharmony_ci Say Y here if you want to include support for the K3 watchdog 60362306a36Sopenharmony_ci timer (RTI module) available in the K3 generation of processors. 60462306a36Sopenharmony_ci 60562306a36Sopenharmony_ciconfig ORION_WATCHDOG 60662306a36Sopenharmony_ci tristate "Orion watchdog" 60762306a36Sopenharmony_ci depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST 60862306a36Sopenharmony_ci depends on ARM 60962306a36Sopenharmony_ci select WATCHDOG_CORE 61062306a36Sopenharmony_ci help 61162306a36Sopenharmony_ci Say Y here if to include support for the watchdog timer 61262306a36Sopenharmony_ci in the Marvell Orion5x and Kirkwood ARM SoCs. 61362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 61462306a36Sopenharmony_ci module will be called orion_wdt. 61562306a36Sopenharmony_ci 61662306a36Sopenharmony_ciconfig RN5T618_WATCHDOG 61762306a36Sopenharmony_ci tristate "Ricoh RN5T618 watchdog" 61862306a36Sopenharmony_ci depends on MFD_RN5T618 || COMPILE_TEST 61962306a36Sopenharmony_ci select WATCHDOG_CORE 62062306a36Sopenharmony_ci help 62162306a36Sopenharmony_ci If you say yes here you get support for watchdog on the Ricoh 62262306a36Sopenharmony_ci RN5T618 PMIC. 62362306a36Sopenharmony_ci 62462306a36Sopenharmony_ci This driver can also be built as a module. If so, the module 62562306a36Sopenharmony_ci will be called rn5t618_wdt. 62662306a36Sopenharmony_ci 62762306a36Sopenharmony_ciconfig SUNXI_WATCHDOG 62862306a36Sopenharmony_ci tristate "Allwinner SoCs watchdog support" 62962306a36Sopenharmony_ci depends on ARCH_SUNXI || COMPILE_TEST 63062306a36Sopenharmony_ci select WATCHDOG_CORE 63162306a36Sopenharmony_ci help 63262306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 63362306a36Sopenharmony_ci in Allwinner SoCs. 63462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 63562306a36Sopenharmony_ci module will be called sunxi_wdt. 63662306a36Sopenharmony_ci 63762306a36Sopenharmony_ciconfig NPCM7XX_WATCHDOG 63862306a36Sopenharmony_ci tristate "Nuvoton NPCM750 watchdog" 63962306a36Sopenharmony_ci depends on ARCH_NPCM || COMPILE_TEST 64062306a36Sopenharmony_ci default y if ARCH_NPCM7XX 64162306a36Sopenharmony_ci select WATCHDOG_CORE 64262306a36Sopenharmony_ci help 64362306a36Sopenharmony_ci Say Y here to include Watchdog timer support for the 64462306a36Sopenharmony_ci watchdog embedded into the NPCM7xx. 64562306a36Sopenharmony_ci This watchdog is used to reset the system and thus cannot be 64662306a36Sopenharmony_ci compiled as a module. 64762306a36Sopenharmony_ci 64862306a36Sopenharmony_ciconfig TWL4030_WATCHDOG 64962306a36Sopenharmony_ci tristate "TWL4030 Watchdog" 65062306a36Sopenharmony_ci depends on TWL4030_CORE 65162306a36Sopenharmony_ci select WATCHDOG_CORE 65262306a36Sopenharmony_ci help 65362306a36Sopenharmony_ci Support for TI TWL4030 watchdog. Say 'Y' here to enable the 65462306a36Sopenharmony_ci watchdog timer support for TWL4030 chips. 65562306a36Sopenharmony_ci 65662306a36Sopenharmony_ciconfig STMP3XXX_RTC_WATCHDOG 65762306a36Sopenharmony_ci tristate "Freescale STMP3XXX & i.MX23/28 watchdog" 65862306a36Sopenharmony_ci depends on RTC_DRV_STMP || COMPILE_TEST 65962306a36Sopenharmony_ci select WATCHDOG_CORE 66062306a36Sopenharmony_ci help 66162306a36Sopenharmony_ci Say Y here to include support for the watchdog timer inside 66262306a36Sopenharmony_ci the RTC for the STMP37XX/378X or i.MX23/28 SoC. 66362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 66462306a36Sopenharmony_ci module will be called stmp3xxx_rtc_wdt. 66562306a36Sopenharmony_ci 66662306a36Sopenharmony_ciconfig TS4800_WATCHDOG 66762306a36Sopenharmony_ci tristate "TS-4800 Watchdog" 66862306a36Sopenharmony_ci depends on HAS_IOMEM && OF 66962306a36Sopenharmony_ci depends on SOC_IMX51 || COMPILE_TEST 67062306a36Sopenharmony_ci select WATCHDOG_CORE 67162306a36Sopenharmony_ci select MFD_SYSCON 67262306a36Sopenharmony_ci help 67362306a36Sopenharmony_ci Technologic Systems TS-4800 has watchdog timer implemented in 67462306a36Sopenharmony_ci an external FPGA. Say Y here if you want to support for the 67562306a36Sopenharmony_ci watchdog timer on TS-4800 board. 67662306a36Sopenharmony_ci 67762306a36Sopenharmony_ciconfig TS72XX_WATCHDOG 67862306a36Sopenharmony_ci tristate "TS-72XX SBC Watchdog" 67962306a36Sopenharmony_ci depends on MACH_TS72XX || COMPILE_TEST 68062306a36Sopenharmony_ci select WATCHDOG_CORE 68162306a36Sopenharmony_ci help 68262306a36Sopenharmony_ci Technologic Systems TS-7200, TS-7250 and TS-7260 boards have 68362306a36Sopenharmony_ci watchdog timer implemented in a external CPLD chip. Say Y here 68462306a36Sopenharmony_ci if you want to support for the watchdog timer on TS-72XX boards. 68562306a36Sopenharmony_ci 68662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 68762306a36Sopenharmony_ci module will be called ts72xx_wdt. 68862306a36Sopenharmony_ci 68962306a36Sopenharmony_ciconfig MAX63XX_WATCHDOG 69062306a36Sopenharmony_ci tristate "Max63xx watchdog" 69162306a36Sopenharmony_ci depends on HAS_IOMEM 69262306a36Sopenharmony_ci select WATCHDOG_CORE 69362306a36Sopenharmony_ci help 69462306a36Sopenharmony_ci Support for memory mapped max63{69,70,71,72,73,74} watchdog timer. 69562306a36Sopenharmony_ci 69662306a36Sopenharmony_ciconfig MAX77620_WATCHDOG 69762306a36Sopenharmony_ci tristate "Maxim Max77620 Watchdog Timer" 69862306a36Sopenharmony_ci depends on MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST 69962306a36Sopenharmony_ci select WATCHDOG_CORE 70062306a36Sopenharmony_ci help 70162306a36Sopenharmony_ci This is the driver for the Max77620 watchdog timer. 70262306a36Sopenharmony_ci Say 'Y' here to enable the watchdog timer support for 70362306a36Sopenharmony_ci MAX77620 chips. To compile this driver as a module, 70462306a36Sopenharmony_ci choose M here: the module will be called max77620_wdt. 70562306a36Sopenharmony_ci 70662306a36Sopenharmony_ciconfig IMX2_WDT 70762306a36Sopenharmony_ci tristate "IMX2+ Watchdog" 70862306a36Sopenharmony_ci depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST 70962306a36Sopenharmony_ci select REGMAP_MMIO 71062306a36Sopenharmony_ci select WATCHDOG_CORE 71162306a36Sopenharmony_ci help 71262306a36Sopenharmony_ci This is the driver for the hardware watchdog 71362306a36Sopenharmony_ci on the Freescale IMX2 and later processors. 71462306a36Sopenharmony_ci If you have one of these processors and wish to have 71562306a36Sopenharmony_ci watchdog support enabled, say Y, otherwise say N. 71662306a36Sopenharmony_ci 71762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 71862306a36Sopenharmony_ci module will be called imx2_wdt. 71962306a36Sopenharmony_ci 72062306a36Sopenharmony_ciconfig IMX_SC_WDT 72162306a36Sopenharmony_ci tristate "IMX SC Watchdog" 72262306a36Sopenharmony_ci depends on HAVE_ARM_SMCCC 72362306a36Sopenharmony_ci depends on IMX_SCU || COMPILE_TEST 72462306a36Sopenharmony_ci select WATCHDOG_CORE 72562306a36Sopenharmony_ci help 72662306a36Sopenharmony_ci This is the driver for the system controller watchdog 72762306a36Sopenharmony_ci on the NXP i.MX SoCs with system controller inside, the 72862306a36Sopenharmony_ci watchdog driver will call ARM SMC API and trap into 72962306a36Sopenharmony_ci ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware 73062306a36Sopenharmony_ci will request system controller to execute the operations. 73162306a36Sopenharmony_ci If you have one of these processors and wish to have 73262306a36Sopenharmony_ci watchdog support enabled, say Y, otherwise say N. 73362306a36Sopenharmony_ci 73462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 73562306a36Sopenharmony_ci module will be called imx_sc_wdt. 73662306a36Sopenharmony_ci 73762306a36Sopenharmony_ciconfig IMX7ULP_WDT 73862306a36Sopenharmony_ci tristate "IMX7ULP Watchdog" 73962306a36Sopenharmony_ci depends on ARCH_MXC || COMPILE_TEST 74062306a36Sopenharmony_ci select WATCHDOG_CORE 74162306a36Sopenharmony_ci help 74262306a36Sopenharmony_ci This is the driver for the hardware watchdog on the Freescale 74362306a36Sopenharmony_ci IMX7ULP and later processors. If you have one of these 74462306a36Sopenharmony_ci processors and wish to have watchdog support enabled, 74562306a36Sopenharmony_ci say Y, otherwise say N. 74662306a36Sopenharmony_ci 74762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 74862306a36Sopenharmony_ci module will be called imx7ulp_wdt. 74962306a36Sopenharmony_ci 75062306a36Sopenharmony_ciconfig DB500_WATCHDOG 75162306a36Sopenharmony_ci tristate "ST-Ericsson DB800 watchdog" 75262306a36Sopenharmony_ci depends on MFD_DB8500_PRCMU 75362306a36Sopenharmony_ci select WATCHDOG_CORE 75462306a36Sopenharmony_ci default y 75562306a36Sopenharmony_ci help 75662306a36Sopenharmony_ci Say Y here to include Watchdog timer support for the watchdog 75762306a36Sopenharmony_ci existing in the prcmu of ST-Ericsson DB8500 platform. 75862306a36Sopenharmony_ci 75962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 76062306a36Sopenharmony_ci module will be called db500_wdt. 76162306a36Sopenharmony_ci 76262306a36Sopenharmony_ciconfig RETU_WATCHDOG 76362306a36Sopenharmony_ci tristate "Retu watchdog" 76462306a36Sopenharmony_ci depends on MFD_RETU 76562306a36Sopenharmony_ci select WATCHDOG_CORE 76662306a36Sopenharmony_ci help 76762306a36Sopenharmony_ci Retu watchdog driver for Nokia Internet Tablets (770, N800, 76862306a36Sopenharmony_ci N810). At least on N800 the watchdog cannot be disabled, so 76962306a36Sopenharmony_ci this driver is essential and you should enable it. 77062306a36Sopenharmony_ci 77162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 77262306a36Sopenharmony_ci module will be called retu_wdt. 77362306a36Sopenharmony_ci 77462306a36Sopenharmony_ciconfig MOXART_WDT 77562306a36Sopenharmony_ci tristate "MOXART watchdog" 77662306a36Sopenharmony_ci depends on ARCH_MOXART || COMPILE_TEST 77762306a36Sopenharmony_ci help 77862306a36Sopenharmony_ci Say Y here to include Watchdog timer support for the watchdog 77962306a36Sopenharmony_ci existing on the MOXA ART SoC series platforms. 78062306a36Sopenharmony_ci 78162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 78262306a36Sopenharmony_ci module will be called moxart_wdt. 78362306a36Sopenharmony_ci 78462306a36Sopenharmony_ciconfig ST_LPC_WATCHDOG 78562306a36Sopenharmony_ci tristate "STMicroelectronics LPC Watchdog" 78662306a36Sopenharmony_ci depends on ARCH_STI || COMPILE_TEST 78762306a36Sopenharmony_ci depends on OF 78862306a36Sopenharmony_ci select WATCHDOG_CORE 78962306a36Sopenharmony_ci help 79062306a36Sopenharmony_ci Say Y here to include STMicroelectronics Low Power Controller 79162306a36Sopenharmony_ci (LPC) based Watchdog timer support. 79262306a36Sopenharmony_ci 79362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 79462306a36Sopenharmony_ci module will be called st_lpc_wdt. 79562306a36Sopenharmony_ci 79662306a36Sopenharmony_ciconfig TEGRA_WATCHDOG 79762306a36Sopenharmony_ci tristate "Tegra watchdog" 79862306a36Sopenharmony_ci depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM 79962306a36Sopenharmony_ci select WATCHDOG_CORE 80062306a36Sopenharmony_ci help 80162306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 80262306a36Sopenharmony_ci embedded in NVIDIA Tegra SoCs. 80362306a36Sopenharmony_ci 80462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 80562306a36Sopenharmony_ci module will be called tegra_wdt. 80662306a36Sopenharmony_ci 80762306a36Sopenharmony_ciconfig QCOM_WDT 80862306a36Sopenharmony_ci tristate "QCOM watchdog" 80962306a36Sopenharmony_ci depends on HAS_IOMEM 81062306a36Sopenharmony_ci depends on ARCH_QCOM || COMPILE_TEST 81162306a36Sopenharmony_ci select WATCHDOG_CORE 81262306a36Sopenharmony_ci help 81362306a36Sopenharmony_ci Say Y here to include Watchdog timer support for the watchdog found 81462306a36Sopenharmony_ci on QCOM chipsets. Currently supported targets are the MSM8960, 81562306a36Sopenharmony_ci APQ8064, and IPQ8064. 81662306a36Sopenharmony_ci 81762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 81862306a36Sopenharmony_ci module will be called qcom_wdt. 81962306a36Sopenharmony_ci 82062306a36Sopenharmony_ciconfig MESON_GXBB_WATCHDOG 82162306a36Sopenharmony_ci tristate "Amlogic Meson GXBB SoCs watchdog support" 82262306a36Sopenharmony_ci depends on ARCH_MESON || COMPILE_TEST 82362306a36Sopenharmony_ci select WATCHDOG_CORE 82462306a36Sopenharmony_ci help 82562306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 82662306a36Sopenharmony_ci in Amlogic Meson GXBB SoCs. 82762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 82862306a36Sopenharmony_ci module will be called meson_gxbb_wdt. 82962306a36Sopenharmony_ci 83062306a36Sopenharmony_ciconfig MESON_WATCHDOG 83162306a36Sopenharmony_ci tristate "Amlogic Meson SoCs watchdog support" 83262306a36Sopenharmony_ci depends on ARCH_MESON || COMPILE_TEST 83362306a36Sopenharmony_ci select WATCHDOG_CORE 83462306a36Sopenharmony_ci help 83562306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 83662306a36Sopenharmony_ci in Amlogic Meson SoCs. 83762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 83862306a36Sopenharmony_ci module will be called meson_wdt. 83962306a36Sopenharmony_ci 84062306a36Sopenharmony_ciconfig MEDIATEK_WATCHDOG 84162306a36Sopenharmony_ci tristate "Mediatek SoCs watchdog support" 84262306a36Sopenharmony_ci depends on ARCH_MEDIATEK || COMPILE_TEST 84362306a36Sopenharmony_ci default ARCH_MEDIATEK 84462306a36Sopenharmony_ci select WATCHDOG_CORE 84562306a36Sopenharmony_ci select RESET_CONTROLLER 84662306a36Sopenharmony_ci help 84762306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 84862306a36Sopenharmony_ci in Mediatek SoCs. 84962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 85062306a36Sopenharmony_ci module will be called mtk_wdt. 85162306a36Sopenharmony_ci 85262306a36Sopenharmony_ciconfig DIGICOLOR_WATCHDOG 85362306a36Sopenharmony_ci tristate "Conexant Digicolor SoCs watchdog support" 85462306a36Sopenharmony_ci depends on ARCH_DIGICOLOR || COMPILE_TEST 85562306a36Sopenharmony_ci select WATCHDOG_CORE 85662306a36Sopenharmony_ci help 85762306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 85862306a36Sopenharmony_ci in Conexant Digicolor SoCs. 85962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 86062306a36Sopenharmony_ci module will be called digicolor_wdt. 86162306a36Sopenharmony_ci 86262306a36Sopenharmony_ciconfig ARM_SMC_WATCHDOG 86362306a36Sopenharmony_ci tristate "ARM Secure Monitor Call based watchdog support" 86462306a36Sopenharmony_ci depends on ARM || ARM64 86562306a36Sopenharmony_ci depends on OF 86662306a36Sopenharmony_ci depends on HAVE_ARM_SMCCC 86762306a36Sopenharmony_ci select WATCHDOG_CORE 86862306a36Sopenharmony_ci help 86962306a36Sopenharmony_ci Say Y here to include support for a watchdog timer 87062306a36Sopenharmony_ci implemented by the EL3 Secure Monitor on ARM platforms. 87162306a36Sopenharmony_ci Requires firmware support. 87262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 87362306a36Sopenharmony_ci module will be called arm_smc_wdt. 87462306a36Sopenharmony_ci 87562306a36Sopenharmony_ciconfig LPC18XX_WATCHDOG 87662306a36Sopenharmony_ci tristate "LPC18xx/43xx Watchdog" 87762306a36Sopenharmony_ci depends on ARCH_LPC18XX || COMPILE_TEST 87862306a36Sopenharmony_ci depends on HAS_IOMEM 87962306a36Sopenharmony_ci select WATCHDOG_CORE 88062306a36Sopenharmony_ci help 88162306a36Sopenharmony_ci Say Y here if to include support for the watchdog timer 88262306a36Sopenharmony_ci in NXP LPC SoCs family, which includes LPC18xx/LPC43xx 88362306a36Sopenharmony_ci processors. 88462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 88562306a36Sopenharmony_ci module will be called lpc18xx_wdt. 88662306a36Sopenharmony_ci 88762306a36Sopenharmony_ciconfig RENESAS_WDT 88862306a36Sopenharmony_ci tristate "Renesas WDT Watchdog" 88962306a36Sopenharmony_ci depends on ARCH_RENESAS || COMPILE_TEST 89062306a36Sopenharmony_ci select WATCHDOG_CORE 89162306a36Sopenharmony_ci help 89262306a36Sopenharmony_ci This driver adds watchdog support for the integrated watchdogs in the 89362306a36Sopenharmony_ci Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT). 89462306a36Sopenharmony_ci 89562306a36Sopenharmony_ciconfig RENESAS_RZAWDT 89662306a36Sopenharmony_ci tristate "Renesas RZ/A WDT Watchdog" 89762306a36Sopenharmony_ci depends on ARCH_RENESAS || COMPILE_TEST 89862306a36Sopenharmony_ci select WATCHDOG_CORE 89962306a36Sopenharmony_ci help 90062306a36Sopenharmony_ci This driver adds watchdog support for the integrated watchdogs in the 90162306a36Sopenharmony_ci Renesas RZ/A SoCs. These watchdogs can be used to reset a system. 90262306a36Sopenharmony_ci 90362306a36Sopenharmony_ciconfig RENESAS_RZN1WDT 90462306a36Sopenharmony_ci tristate "Renesas RZ/N1 watchdog" 90562306a36Sopenharmony_ci depends on ARCH_RENESAS || COMPILE_TEST 90662306a36Sopenharmony_ci select WATCHDOG_CORE 90762306a36Sopenharmony_ci help 90862306a36Sopenharmony_ci This driver adds watchdog support for the integrated watchdogs in the 90962306a36Sopenharmony_ci Renesas RZ/N1 SoCs. These watchdogs can be used to reset a system. 91062306a36Sopenharmony_ci 91162306a36Sopenharmony_ciconfig RENESAS_RZG2LWDT 91262306a36Sopenharmony_ci tristate "Renesas RZ/G2L WDT Watchdog" 91362306a36Sopenharmony_ci depends on ARCH_RENESAS || COMPILE_TEST 91462306a36Sopenharmony_ci select WATCHDOG_CORE 91562306a36Sopenharmony_ci help 91662306a36Sopenharmony_ci This driver adds watchdog support for the integrated watchdogs in the 91762306a36Sopenharmony_ci Renesas RZ/G2L SoCs. These watchdogs can be used to reset a system. 91862306a36Sopenharmony_ci 91962306a36Sopenharmony_ciconfig ASPEED_WATCHDOG 92062306a36Sopenharmony_ci tristate "Aspeed BMC watchdog support" 92162306a36Sopenharmony_ci depends on ARCH_ASPEED || COMPILE_TEST 92262306a36Sopenharmony_ci select WATCHDOG_CORE 92362306a36Sopenharmony_ci help 92462306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 92562306a36Sopenharmony_ci in Aspeed BMC SoCs. 92662306a36Sopenharmony_ci 92762306a36Sopenharmony_ci This driver is required to reboot the SoC. 92862306a36Sopenharmony_ci 92962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 93062306a36Sopenharmony_ci module will be called aspeed_wdt. 93162306a36Sopenharmony_ci 93262306a36Sopenharmony_ciconfig STM32_WATCHDOG 93362306a36Sopenharmony_ci tristate "STM32 Independent WatchDoG (IWDG) support" 93462306a36Sopenharmony_ci depends on ARCH_STM32 || COMPILE_TEST 93562306a36Sopenharmony_ci select WATCHDOG_CORE 93662306a36Sopenharmony_ci default y 93762306a36Sopenharmony_ci help 93862306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 93962306a36Sopenharmony_ci in stm32 SoCs. 94062306a36Sopenharmony_ci 94162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 94262306a36Sopenharmony_ci module will be called stm32_iwdg. 94362306a36Sopenharmony_ci 94462306a36Sopenharmony_ciconfig STPMIC1_WATCHDOG 94562306a36Sopenharmony_ci tristate "STPMIC1 PMIC watchdog support" 94662306a36Sopenharmony_ci depends on MFD_STPMIC1 94762306a36Sopenharmony_ci select WATCHDOG_CORE 94862306a36Sopenharmony_ci help 94962306a36Sopenharmony_ci Say Y here to include watchdog support embedded into STPMIC1 PMIC. 95062306a36Sopenharmony_ci If the watchdog timer expires, stpmic1 will shut down all its power 95162306a36Sopenharmony_ci supplies. 95262306a36Sopenharmony_ci 95362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 95462306a36Sopenharmony_ci module will be called spmic1_wdt. 95562306a36Sopenharmony_ci 95662306a36Sopenharmony_ciconfig UNIPHIER_WATCHDOG 95762306a36Sopenharmony_ci tristate "UniPhier watchdog support" 95862306a36Sopenharmony_ci depends on ARCH_UNIPHIER || COMPILE_TEST 95962306a36Sopenharmony_ci depends on OF && MFD_SYSCON 96062306a36Sopenharmony_ci select WATCHDOG_CORE 96162306a36Sopenharmony_ci help 96262306a36Sopenharmony_ci Say Y here to include support watchdog timer embedded 96362306a36Sopenharmony_ci into the UniPhier system. 96462306a36Sopenharmony_ci 96562306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 96662306a36Sopenharmony_ci module will be called uniphier_wdt. 96762306a36Sopenharmony_ci 96862306a36Sopenharmony_ciconfig RTD119X_WATCHDOG 96962306a36Sopenharmony_ci bool "Realtek RTD119x/RTD129x watchdog support" 97062306a36Sopenharmony_ci depends on ARCH_REALTEK || COMPILE_TEST 97162306a36Sopenharmony_ci depends on OF 97262306a36Sopenharmony_ci select WATCHDOG_CORE 97362306a36Sopenharmony_ci default ARCH_REALTEK 97462306a36Sopenharmony_ci help 97562306a36Sopenharmony_ci Say Y here to include support for the watchdog timer in 97662306a36Sopenharmony_ci Realtek RTD1295 SoCs. 97762306a36Sopenharmony_ci 97862306a36Sopenharmony_ciconfig REALTEK_OTTO_WDT 97962306a36Sopenharmony_ci tristate "Realtek Otto MIPS watchdog support" 98062306a36Sopenharmony_ci depends on MACH_REALTEK_RTL || COMPILE_TEST 98162306a36Sopenharmony_ci depends on COMMON_CLK 98262306a36Sopenharmony_ci select WATCHDOG_CORE 98362306a36Sopenharmony_ci default MACH_REALTEK_RTL 98462306a36Sopenharmony_ci help 98562306a36Sopenharmony_ci Say Y here to include support for the watchdog timer on Realtek 98662306a36Sopenharmony_ci RTL838x, RTL839x, RTL930x SoCs. This watchdog has pretimeout 98762306a36Sopenharmony_ci notifications and system reset on timeout. 98862306a36Sopenharmony_ci 98962306a36Sopenharmony_ci When built as a module this will be called realtek_otto_wdt. 99062306a36Sopenharmony_ci 99162306a36Sopenharmony_ciconfig SPRD_WATCHDOG 99262306a36Sopenharmony_ci tristate "Spreadtrum watchdog support" 99362306a36Sopenharmony_ci depends on ARCH_SPRD || COMPILE_TEST 99462306a36Sopenharmony_ci select WATCHDOG_CORE 99562306a36Sopenharmony_ci help 99662306a36Sopenharmony_ci Say Y here to include watchdog timer supported 99762306a36Sopenharmony_ci by Spreadtrum system. 99862306a36Sopenharmony_ci 99962306a36Sopenharmony_ciconfig PM8916_WATCHDOG 100062306a36Sopenharmony_ci tristate "QCOM PM8916 pmic watchdog" 100162306a36Sopenharmony_ci depends on OF && MFD_SPMI_PMIC 100262306a36Sopenharmony_ci select WATCHDOG_CORE 100362306a36Sopenharmony_ci help 100462306a36Sopenharmony_ci Say Y here to include support watchdog timer embedded into the 100562306a36Sopenharmony_ci pm8916 module. 100662306a36Sopenharmony_ci 100762306a36Sopenharmony_ciconfig VISCONTI_WATCHDOG 100862306a36Sopenharmony_ci tristate "Toshiba Visconti series watchdog support" 100962306a36Sopenharmony_ci depends on ARCH_VISCONTI || COMPILE_TEST 101062306a36Sopenharmony_ci select WATCHDOG_CORE 101162306a36Sopenharmony_ci help 101262306a36Sopenharmony_ci Say Y here to include support for the watchdog timer in Toshiba 101362306a36Sopenharmony_ci Visconti SoCs. 101462306a36Sopenharmony_ci 101562306a36Sopenharmony_ciconfig MSC313E_WATCHDOG 101662306a36Sopenharmony_ci tristate "MStar MSC313e watchdog" 101762306a36Sopenharmony_ci depends on ARCH_MSTARV7 || COMPILE_TEST 101862306a36Sopenharmony_ci select WATCHDOG_CORE 101962306a36Sopenharmony_ci help 102062306a36Sopenharmony_ci Say Y here to include support for the Watchdog timer embedded 102162306a36Sopenharmony_ci into MStar MSC313e chips. This will reboot your system when the 102262306a36Sopenharmony_ci timeout is reached. 102362306a36Sopenharmony_ci 102462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 102562306a36Sopenharmony_ci module will be called msc313e_wdt. 102662306a36Sopenharmony_ci 102762306a36Sopenharmony_ciconfig APPLE_WATCHDOG 102862306a36Sopenharmony_ci tristate "Apple SoC watchdog" 102962306a36Sopenharmony_ci depends on ARCH_APPLE || COMPILE_TEST 103062306a36Sopenharmony_ci select WATCHDOG_CORE 103162306a36Sopenharmony_ci help 103262306a36Sopenharmony_ci Say Y here to include support for the Watchdog found in Apple 103362306a36Sopenharmony_ci SoCs such as the M1. Next to the common watchdog features this 103462306a36Sopenharmony_ci driver is also required in order to reboot these SoCs. 103562306a36Sopenharmony_ci 103662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 103762306a36Sopenharmony_ci module will be called apple_wdt. 103862306a36Sopenharmony_ci 103962306a36Sopenharmony_ciconfig SUNPLUS_WATCHDOG 104062306a36Sopenharmony_ci tristate "Sunplus watchdog support" 104162306a36Sopenharmony_ci depends on ARCH_SUNPLUS || COMPILE_TEST 104262306a36Sopenharmony_ci select WATCHDOG_CORE 104362306a36Sopenharmony_ci help 104462306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 104562306a36Sopenharmony_ci in Sunplus SoCs. 104662306a36Sopenharmony_ci 104762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 104862306a36Sopenharmony_ci module will be called sunplus_wdt. 104962306a36Sopenharmony_ci 105062306a36Sopenharmony_ci# X86 (i386 + ia64 + x86_64) Architecture 105162306a36Sopenharmony_ci 105262306a36Sopenharmony_ciconfig ACQUIRE_WDT 105362306a36Sopenharmony_ci tristate "Acquire SBC Watchdog Timer" 105462306a36Sopenharmony_ci depends on X86 105562306a36Sopenharmony_ci help 105662306a36Sopenharmony_ci This is the driver for the hardware watchdog on Single Board 105762306a36Sopenharmony_ci Computers produced by Acquire Inc (and others). This watchdog 105862306a36Sopenharmony_ci simply watches your kernel to make sure it doesn't freeze, and if 105962306a36Sopenharmony_ci it does, it reboots your computer after a certain amount of time. 106062306a36Sopenharmony_ci 106162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 106262306a36Sopenharmony_ci module will be called acquirewdt. 106362306a36Sopenharmony_ci 106462306a36Sopenharmony_ci Most people will say N. 106562306a36Sopenharmony_ci 106662306a36Sopenharmony_ciconfig ADVANTECH_WDT 106762306a36Sopenharmony_ci tristate "Advantech SBC Watchdog Timer" 106862306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 106962306a36Sopenharmony_ci help 107062306a36Sopenharmony_ci If you are configuring a Linux kernel for the Advantech single-board 107162306a36Sopenharmony_ci computer, say `Y' here to support its built-in watchdog timer 107262306a36Sopenharmony_ci feature. More information can be found at 107362306a36Sopenharmony_ci <https://www.advantech.com.tw/products/> 107462306a36Sopenharmony_ci 107562306a36Sopenharmony_ciconfig ADVANTECH_EC_WDT 107662306a36Sopenharmony_ci tristate "Advantech Embedded Controller Watchdog Timer" 107762306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 107862306a36Sopenharmony_ci select ISA_BUS_API 107962306a36Sopenharmony_ci select WATCHDOG_CORE 108062306a36Sopenharmony_ci help 108162306a36Sopenharmony_ci This driver supports Advantech products with ITE based Embedded Controller. 108262306a36Sopenharmony_ci It does not support Advantech products with other ECs or without EC. 108362306a36Sopenharmony_ci 108462306a36Sopenharmony_ciconfig ALIM1535_WDT 108562306a36Sopenharmony_ci tristate "ALi M1535 PMU Watchdog Timer" 108662306a36Sopenharmony_ci depends on (X86 || COMPILE_TEST) && PCI 108762306a36Sopenharmony_ci help 108862306a36Sopenharmony_ci This is the driver for the hardware watchdog on the ALi M1535 PMU. 108962306a36Sopenharmony_ci 109062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 109162306a36Sopenharmony_ci module will be called alim1535_wdt. 109262306a36Sopenharmony_ci 109362306a36Sopenharmony_ci Most people will say N. 109462306a36Sopenharmony_ci 109562306a36Sopenharmony_ciconfig ALIM7101_WDT 109662306a36Sopenharmony_ci tristate "ALi M7101 PMU Computer Watchdog" 109762306a36Sopenharmony_ci depends on PCI 109862306a36Sopenharmony_ci help 109962306a36Sopenharmony_ci This is the driver for the hardware watchdog on the ALi M7101 PMU 110062306a36Sopenharmony_ci as used in the x86 Cobalt servers and also found in some 110162306a36Sopenharmony_ci SPARC Netra servers too. 110262306a36Sopenharmony_ci 110362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 110462306a36Sopenharmony_ci module will be called alim7101_wdt. 110562306a36Sopenharmony_ci 110662306a36Sopenharmony_ci Most people will say N. 110762306a36Sopenharmony_ci 110862306a36Sopenharmony_ciconfig EBC_C384_WDT 110962306a36Sopenharmony_ci tristate "WinSystems EBC-C384 Watchdog Timer" 111062306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 111162306a36Sopenharmony_ci select ISA_BUS_API 111262306a36Sopenharmony_ci select WATCHDOG_CORE 111362306a36Sopenharmony_ci help 111462306a36Sopenharmony_ci Enables watchdog timer support for the watchdog timer on the 111562306a36Sopenharmony_ci WinSystems EBC-C384 motherboard. The timeout may be configured via 111662306a36Sopenharmony_ci the timeout module parameter. 111762306a36Sopenharmony_ci 111862306a36Sopenharmony_ciconfig EXAR_WDT 111962306a36Sopenharmony_ci tristate "Exar Watchdog Timer" 112062306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 112162306a36Sopenharmony_ci select WATCHDOG_CORE 112262306a36Sopenharmony_ci help 112362306a36Sopenharmony_ci Enables watchdog timer support for the watchdog timer present 112462306a36Sopenharmony_ci in some Exar/MaxLinear UART chips like the XR28V38x. 112562306a36Sopenharmony_ci 112662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 112762306a36Sopenharmony_ci module will be called exar_wdt. 112862306a36Sopenharmony_ci 112962306a36Sopenharmony_ciconfig F71808E_WDT 113062306a36Sopenharmony_ci tristate "Fintek F718xx, F818xx Super I/O Watchdog" 113162306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 113262306a36Sopenharmony_ci select WATCHDOG_CORE 113362306a36Sopenharmony_ci help 113462306a36Sopenharmony_ci This is the driver for the hardware watchdog on the Fintek F71808E, 113562306a36Sopenharmony_ci F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and 113662306a36Sopenharmony_ci F81866 Super I/O controllers. 113762306a36Sopenharmony_ci 113862306a36Sopenharmony_ci You can compile this driver directly into the kernel, or use 113962306a36Sopenharmony_ci it as a module. The module will be called f71808e_wdt. 114062306a36Sopenharmony_ci 114162306a36Sopenharmony_ciconfig SP5100_TCO 114262306a36Sopenharmony_ci tristate "AMD/ATI SP5100 TCO Timer/Watchdog" 114362306a36Sopenharmony_ci depends on (X86 || COMPILE_TEST) && PCI 114462306a36Sopenharmony_ci select WATCHDOG_CORE 114562306a36Sopenharmony_ci help 114662306a36Sopenharmony_ci Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO 114762306a36Sopenharmony_ci (Total Cost of Ownership) timer is a watchdog timer that will reboot 114862306a36Sopenharmony_ci the machine after its expiration. The expiration time can be 114962306a36Sopenharmony_ci configured with the "heartbeat" parameter. 115062306a36Sopenharmony_ci 115162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 115262306a36Sopenharmony_ci module will be called sp5100_tco. 115362306a36Sopenharmony_ci 115462306a36Sopenharmony_ciconfig GEODE_WDT 115562306a36Sopenharmony_ci tristate "AMD Geode CS5535/CS5536 Watchdog" 115662306a36Sopenharmony_ci depends on CS5535_MFGPT 115762306a36Sopenharmony_ci help 115862306a36Sopenharmony_ci This driver enables a watchdog capability built into the 115962306a36Sopenharmony_ci CS5535/CS5536 companion chips for the AMD Geode GX and LX 116062306a36Sopenharmony_ci processors. This watchdog watches your kernel to make sure 116162306a36Sopenharmony_ci it doesn't freeze, and if it does, it reboots your computer after 116262306a36Sopenharmony_ci a certain amount of time. 116362306a36Sopenharmony_ci 116462306a36Sopenharmony_ci You can compile this driver directly into the kernel, or use 116562306a36Sopenharmony_ci it as a module. The module will be called geodewdt. 116662306a36Sopenharmony_ci 116762306a36Sopenharmony_ciconfig SC520_WDT 116862306a36Sopenharmony_ci tristate "AMD Elan SC520 processor Watchdog" 116962306a36Sopenharmony_ci depends on MELAN || COMPILE_TEST 117062306a36Sopenharmony_ci help 117162306a36Sopenharmony_ci This is the driver for the hardware watchdog built in to the 117262306a36Sopenharmony_ci AMD "Elan" SC520 microcomputer commonly used in embedded systems. 117362306a36Sopenharmony_ci This watchdog simply watches your kernel to make sure it doesn't 117462306a36Sopenharmony_ci freeze, and if it does, it reboots your computer after a certain 117562306a36Sopenharmony_ci amount of time. 117662306a36Sopenharmony_ci 117762306a36Sopenharmony_ci You can compile this driver directly into the kernel, or use 117862306a36Sopenharmony_ci it as a module. The module will be called sc520_wdt. 117962306a36Sopenharmony_ci 118062306a36Sopenharmony_ciconfig SBC_FITPC2_WATCHDOG 118162306a36Sopenharmony_ci tristate "Compulab SBC-FITPC2 watchdog" 118262306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 118362306a36Sopenharmony_ci help 118462306a36Sopenharmony_ci This is the driver for the built-in watchdog timer on the fit-PC2, 118562306a36Sopenharmony_ci fit-PC2i, CM-iAM single-board computers made by Compulab. 118662306a36Sopenharmony_ci 118762306a36Sopenharmony_ci It's possible to enable the watchdog timer either from BIOS (F2) or 118862306a36Sopenharmony_ci from booted Linux. 118962306a36Sopenharmony_ci When the "Watchdog Timer Value" is enabled one can set 31-255 seconds 119062306a36Sopenharmony_ci operational range. 119162306a36Sopenharmony_ci 119262306a36Sopenharmony_ci Entering BIOS setup temporarily disables watchdog operation regardless 119362306a36Sopenharmony_ci of current state, so system will not be restarted while user is in 119462306a36Sopenharmony_ci BIOS setup. 119562306a36Sopenharmony_ci 119662306a36Sopenharmony_ci Once the watchdog is enabled the system will be restarted every 119762306a36Sopenharmony_ci "Watchdog Timer Value" period, so to prevent it user can restart or 119862306a36Sopenharmony_ci disable the watchdog. 119962306a36Sopenharmony_ci 120062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 120162306a36Sopenharmony_ci module will be called sbc_fitpc2_wdt. 120262306a36Sopenharmony_ci 120362306a36Sopenharmony_ci Most people will say N. 120462306a36Sopenharmony_ci 120562306a36Sopenharmony_ciconfig EUROTECH_WDT 120662306a36Sopenharmony_ci tristate "Eurotech CPU-1220/1410 Watchdog Timer" 120762306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 120862306a36Sopenharmony_ci help 120962306a36Sopenharmony_ci Enable support for the watchdog timer on the Eurotech CPU-1220 and 121062306a36Sopenharmony_ci CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product 121162306a36Sopenharmony_ci information are at <http://www.eurotech.it/>. 121262306a36Sopenharmony_ci 121362306a36Sopenharmony_ciconfig IB700_WDT 121462306a36Sopenharmony_ci tristate "IB700 SBC Watchdog Timer" 121562306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 121662306a36Sopenharmony_ci help 121762306a36Sopenharmony_ci This is the driver for the hardware watchdog on the IB700 Single 121862306a36Sopenharmony_ci Board Computer produced by TMC Technology (www.tmc-uk.com). This 121962306a36Sopenharmony_ci watchdog simply watches your kernel to make sure it doesn't freeze, 122062306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of time. 122162306a36Sopenharmony_ci 122262306a36Sopenharmony_ci This driver is like the WDT501 driver but for slightly different 122362306a36Sopenharmony_ci hardware. 122462306a36Sopenharmony_ci 122562306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 122662306a36Sopenharmony_ci module will be called ib700wdt. 122762306a36Sopenharmony_ci 122862306a36Sopenharmony_ci Most people will say N. 122962306a36Sopenharmony_ci 123062306a36Sopenharmony_ciconfig IBMASR 123162306a36Sopenharmony_ci tristate "IBM Automatic Server Restart" 123262306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 123362306a36Sopenharmony_ci help 123462306a36Sopenharmony_ci This is the driver for the IBM Automatic Server Restart watchdog 123562306a36Sopenharmony_ci timer built-in into some eServer xSeries machines. 123662306a36Sopenharmony_ci 123762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 123862306a36Sopenharmony_ci module will be called ibmasr. 123962306a36Sopenharmony_ci 124062306a36Sopenharmony_ciconfig WAFER_WDT 124162306a36Sopenharmony_ci tristate "ICP Single Board Computer Watchdog Timer" 124262306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 124362306a36Sopenharmony_ci help 124462306a36Sopenharmony_ci This is a driver for the hardware watchdog on the ICP Single 124562306a36Sopenharmony_ci Board Computer. This driver is working on (at least) the following 124662306a36Sopenharmony_ci IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782. 124762306a36Sopenharmony_ci 124862306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 124962306a36Sopenharmony_ci module will be called wafer5823wdt. 125062306a36Sopenharmony_ci 125162306a36Sopenharmony_ciconfig I6300ESB_WDT 125262306a36Sopenharmony_ci tristate "Intel 6300ESB Timer/Watchdog" 125362306a36Sopenharmony_ci depends on PCI 125462306a36Sopenharmony_ci select WATCHDOG_CORE 125562306a36Sopenharmony_ci help 125662306a36Sopenharmony_ci Hardware driver for the watchdog timer built into the Intel 125762306a36Sopenharmony_ci 6300ESB controller hub. 125862306a36Sopenharmony_ci 125962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 126062306a36Sopenharmony_ci module will be called i6300esb. 126162306a36Sopenharmony_ci 126262306a36Sopenharmony_ciconfig IE6XX_WDT 126362306a36Sopenharmony_ci tristate "Intel Atom E6xx Watchdog" 126462306a36Sopenharmony_ci depends on (X86 || COMPILE_TEST) && PCI 126562306a36Sopenharmony_ci select WATCHDOG_CORE 126662306a36Sopenharmony_ci select MFD_CORE 126762306a36Sopenharmony_ci select LPC_SCH 126862306a36Sopenharmony_ci help 126962306a36Sopenharmony_ci Hardware driver for the watchdog timer built into the Intel 127062306a36Sopenharmony_ci Atom E6XX (TunnelCreek) processor. 127162306a36Sopenharmony_ci 127262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 127362306a36Sopenharmony_ci module will be called ie6xx_wdt. 127462306a36Sopenharmony_ci 127562306a36Sopenharmony_ciconfig INTEL_MID_WATCHDOG 127662306a36Sopenharmony_ci tristate "Intel MID Watchdog Timer" 127762306a36Sopenharmony_ci depends on X86_INTEL_MID 127862306a36Sopenharmony_ci select WATCHDOG_CORE 127962306a36Sopenharmony_ci help 128062306a36Sopenharmony_ci Watchdog timer driver built into the Intel SCU for Intel MID 128162306a36Sopenharmony_ci Platforms. 128262306a36Sopenharmony_ci 128362306a36Sopenharmony_ci This driver currently supports only the watchdog evolution 128462306a36Sopenharmony_ci implementation in SCU, available for Merrifield generation. 128562306a36Sopenharmony_ci 128662306a36Sopenharmony_ci To compile this driver as a module, choose M here. 128762306a36Sopenharmony_ci 128862306a36Sopenharmony_ciconfig ITCO_WDT 128962306a36Sopenharmony_ci tristate "Intel TCO Timer/Watchdog" 129062306a36Sopenharmony_ci depends on (X86 || IA64) && PCI 129162306a36Sopenharmony_ci select WATCHDOG_CORE 129262306a36Sopenharmony_ci depends on I2C || I2C=n 129362306a36Sopenharmony_ci depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT 129462306a36Sopenharmony_ci select LPC_ICH if !EXPERT 129562306a36Sopenharmony_ci select I2C_I801 if !EXPERT && I2C 129662306a36Sopenharmony_ci help 129762306a36Sopenharmony_ci Hardware driver for the intel TCO timer based watchdog devices. 129862306a36Sopenharmony_ci These drivers are included in the Intel 82801 I/O Controller 129962306a36Sopenharmony_ci Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB 130062306a36Sopenharmony_ci controller hub. 130162306a36Sopenharmony_ci 130262306a36Sopenharmony_ci The TCO (Total Cost of Ownership) timer is a watchdog timer 130362306a36Sopenharmony_ci that will reboot the machine after its second expiration. The 130462306a36Sopenharmony_ci expiration time can be configured with the "heartbeat" parameter. 130562306a36Sopenharmony_ci 130662306a36Sopenharmony_ci On some motherboards the driver may fail to reset the chipset's 130762306a36Sopenharmony_ci NO_REBOOT flag which prevents the watchdog from rebooting the 130862306a36Sopenharmony_ci machine. If this is the case you will get a kernel message like 130962306a36Sopenharmony_ci "failed to reset NO_REBOOT flag, reboot disabled by hardware". 131062306a36Sopenharmony_ci 131162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 131262306a36Sopenharmony_ci module will be called iTCO_wdt. 131362306a36Sopenharmony_ci 131462306a36Sopenharmony_ciconfig ITCO_VENDOR_SUPPORT 131562306a36Sopenharmony_ci bool "Intel TCO Timer/Watchdog Specific Vendor Support" 131662306a36Sopenharmony_ci depends on ITCO_WDT 131762306a36Sopenharmony_ci help 131862306a36Sopenharmony_ci Add vendor specific support to the intel TCO timer based watchdog 131962306a36Sopenharmony_ci devices. At this moment we only have additional support for some 132062306a36Sopenharmony_ci SuperMicro Inc. motherboards. 132162306a36Sopenharmony_ci 132262306a36Sopenharmony_ciconfig IT8712F_WDT 132362306a36Sopenharmony_ci tristate "IT8712F (Smart Guardian) Watchdog Timer" 132462306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 132562306a36Sopenharmony_ci help 132662306a36Sopenharmony_ci This is the driver for the built-in watchdog timer on the IT8712F 132762306a36Sopenharmony_ci Super I/0 chipset used on many motherboards. 132862306a36Sopenharmony_ci 132962306a36Sopenharmony_ci If the driver does not work, then make sure that the game port in 133062306a36Sopenharmony_ci the BIOS is enabled. 133162306a36Sopenharmony_ci 133262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 133362306a36Sopenharmony_ci module will be called it8712f_wdt. 133462306a36Sopenharmony_ci 133562306a36Sopenharmony_ciconfig IT87_WDT 133662306a36Sopenharmony_ci tristate "IT87 Watchdog Timer" 133762306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 133862306a36Sopenharmony_ci select WATCHDOG_CORE 133962306a36Sopenharmony_ci help 134062306a36Sopenharmony_ci This is the driver for the hardware watchdog on the ITE IT8607, 134162306a36Sopenharmony_ci IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702, 134262306a36Sopenharmony_ci IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and 134362306a36Sopenharmony_ci IT8783 Super I/O chips. 134462306a36Sopenharmony_ci 134562306a36Sopenharmony_ci This watchdog simply watches your kernel to make sure it doesn't 134662306a36Sopenharmony_ci freeze, and if it does, it reboots your computer after a certain 134762306a36Sopenharmony_ci amount of time. 134862306a36Sopenharmony_ci 134962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will 135062306a36Sopenharmony_ci be called it87_wdt. 135162306a36Sopenharmony_ci 135262306a36Sopenharmony_ciconfig HP_WATCHDOG 135362306a36Sopenharmony_ci tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" 135462306a36Sopenharmony_ci select WATCHDOG_CORE 135562306a36Sopenharmony_ci depends on (ARM64 || X86 || COMPILE_TEST) && PCI 135662306a36Sopenharmony_ci help 135762306a36Sopenharmony_ci A software monitoring watchdog and NMI handling driver. This driver 135862306a36Sopenharmony_ci will detect lockups and provide a stack trace. This is a driver that 135962306a36Sopenharmony_ci will only load on an HP ProLiant system with a minimum of iLO2 support. 136062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will be 136162306a36Sopenharmony_ci called hpwdt. 136262306a36Sopenharmony_ci 136362306a36Sopenharmony_ciconfig HPWDT_NMI_DECODING 136462306a36Sopenharmony_ci bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer" 136562306a36Sopenharmony_ci depends on X86 && HP_WATCHDOG 136662306a36Sopenharmony_ci default y 136762306a36Sopenharmony_ci help 136862306a36Sopenharmony_ci Enables the NMI handler for the watchdog pretimeout NMI and the iLO 136962306a36Sopenharmony_ci "Generate NMI to System" virtual button. When an NMI is claimed 137062306a36Sopenharmony_ci by the driver, panic is called. 137162306a36Sopenharmony_ci 137262306a36Sopenharmony_ciconfig KEMPLD_WDT 137362306a36Sopenharmony_ci tristate "Kontron COM Watchdog Timer" 137462306a36Sopenharmony_ci depends on MFD_KEMPLD 137562306a36Sopenharmony_ci select WATCHDOG_CORE 137662306a36Sopenharmony_ci help 137762306a36Sopenharmony_ci Support for the PLD watchdog on some Kontron ETX and COMexpress 137862306a36Sopenharmony_ci (ETXexpress) modules 137962306a36Sopenharmony_ci 138062306a36Sopenharmony_ci This driver can also be built as a module. If so, the module will be 138162306a36Sopenharmony_ci called kempld_wdt. 138262306a36Sopenharmony_ci 138362306a36Sopenharmony_ciconfig SC1200_WDT 138462306a36Sopenharmony_ci tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 138562306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 138662306a36Sopenharmony_ci help 138762306a36Sopenharmony_ci This is a driver for National Semiconductor PC87307/PC97307 hardware 138862306a36Sopenharmony_ci watchdog cards as found on the SC1200. This watchdog is mainly used 138962306a36Sopenharmony_ci for power management purposes and can be used to power down the device 139062306a36Sopenharmony_ci during inactivity periods (includes interrupt activity monitoring). 139162306a36Sopenharmony_ci 139262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 139362306a36Sopenharmony_ci module will be called sc1200wdt. 139462306a36Sopenharmony_ci 139562306a36Sopenharmony_ci Most people will say N. 139662306a36Sopenharmony_ci 139762306a36Sopenharmony_ciconfig SCx200_WDT 139862306a36Sopenharmony_ci tristate "National Semiconductor SCx200 Watchdog" 139962306a36Sopenharmony_ci depends on SCx200 && PCI 140062306a36Sopenharmony_ci help 140162306a36Sopenharmony_ci Enable the built-in watchdog timer support on the National 140262306a36Sopenharmony_ci Semiconductor SCx200 processors. 140362306a36Sopenharmony_ci 140462306a36Sopenharmony_ci If compiled as a module, it will be called scx200_wdt. 140562306a36Sopenharmony_ci 140662306a36Sopenharmony_ciconfig PC87413_WDT 140762306a36Sopenharmony_ci tristate "NS PC87413 watchdog" 140862306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 140962306a36Sopenharmony_ci help 141062306a36Sopenharmony_ci This is the driver for the hardware watchdog on the PC87413 chipset 141162306a36Sopenharmony_ci This watchdog simply watches your kernel to make sure it doesn't 141262306a36Sopenharmony_ci freeze, and if it does, it reboots your computer after a certain 141362306a36Sopenharmony_ci amount of time. 141462306a36Sopenharmony_ci 141562306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 141662306a36Sopenharmony_ci module will be called pc87413_wdt. 141762306a36Sopenharmony_ci 141862306a36Sopenharmony_ci Most people will say N. 141962306a36Sopenharmony_ci 142062306a36Sopenharmony_ciconfig NV_TCO 142162306a36Sopenharmony_ci tristate "nVidia TCO Timer/Watchdog" 142262306a36Sopenharmony_ci depends on (X86 || COMPILE_TEST) && PCI 142362306a36Sopenharmony_ci help 142462306a36Sopenharmony_ci Hardware driver for the TCO timer built into the nVidia Hub family 142562306a36Sopenharmony_ci (such as the MCP51). The TCO (Total Cost of Ownership) timer is a 142662306a36Sopenharmony_ci watchdog timer that will reboot the machine after its second 142762306a36Sopenharmony_ci expiration. The expiration time can be configured with the 142862306a36Sopenharmony_ci "heartbeat" parameter. 142962306a36Sopenharmony_ci 143062306a36Sopenharmony_ci On some motherboards the driver may fail to reset the chipset's 143162306a36Sopenharmony_ci NO_REBOOT flag which prevents the watchdog from rebooting the 143262306a36Sopenharmony_ci machine. If this is the case you will get a kernel message like 143362306a36Sopenharmony_ci "failed to reset NO_REBOOT flag, reboot disabled by hardware". 143462306a36Sopenharmony_ci 143562306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 143662306a36Sopenharmony_ci module will be called nv_tco. 143762306a36Sopenharmony_ci 143862306a36Sopenharmony_ciconfig RDC321X_WDT 143962306a36Sopenharmony_ci tristate "RDC R-321x SoC watchdog" 144062306a36Sopenharmony_ci depends on X86_RDC321X || COMPILE_TEST 144162306a36Sopenharmony_ci depends on PCI 144262306a36Sopenharmony_ci help 144362306a36Sopenharmony_ci This is the driver for the built in hardware watchdog 144462306a36Sopenharmony_ci in the RDC R-321x SoC. 144562306a36Sopenharmony_ci 144662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 144762306a36Sopenharmony_ci module will be called rdc321x_wdt. 144862306a36Sopenharmony_ci 144962306a36Sopenharmony_ciconfig 60XX_WDT 145062306a36Sopenharmony_ci tristate "SBC-60XX Watchdog Timer" 145162306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 145262306a36Sopenharmony_ci help 145362306a36Sopenharmony_ci This driver can be used with the watchdog timer found on some 145462306a36Sopenharmony_ci single board computers, namely the 6010 PII based computer. 145562306a36Sopenharmony_ci It may well work with other cards. It reads port 0x443 to enable 145662306a36Sopenharmony_ci and re-set the watchdog timer, and reads port 0x45 to disable 145762306a36Sopenharmony_ci the watchdog. If you have a card that behave in similar ways, 145862306a36Sopenharmony_ci you can probably make this driver work with your card as well. 145962306a36Sopenharmony_ci 146062306a36Sopenharmony_ci You can compile this driver directly into the kernel, or use 146162306a36Sopenharmony_ci it as a module. The module will be called sbc60xxwdt. 146262306a36Sopenharmony_ci 146362306a36Sopenharmony_ciconfig SBC8360_WDT 146462306a36Sopenharmony_ci tristate "SBC8360 Watchdog Timer" 146562306a36Sopenharmony_ci depends on X86_32 146662306a36Sopenharmony_ci help 146762306a36Sopenharmony_ci 146862306a36Sopenharmony_ci This is the driver for the hardware watchdog on the SBC8360 Single 146962306a36Sopenharmony_ci Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com). 147062306a36Sopenharmony_ci 147162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 147262306a36Sopenharmony_ci module will be called sbc8360. 147362306a36Sopenharmony_ci 147462306a36Sopenharmony_ci Most people will say N. 147562306a36Sopenharmony_ci 147662306a36Sopenharmony_ciconfig SBC7240_WDT 147762306a36Sopenharmony_ci tristate "SBC Nano 7240 Watchdog Timer" 147862306a36Sopenharmony_ci depends on X86_32 && !UML 147962306a36Sopenharmony_ci help 148062306a36Sopenharmony_ci This is the driver for the hardware watchdog found on the IEI 148162306a36Sopenharmony_ci single board computers EPIC Nano 7240 (and likely others). This 148262306a36Sopenharmony_ci watchdog simply watches your kernel to make sure it doesn't freeze, 148362306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 148462306a36Sopenharmony_ci time. 148562306a36Sopenharmony_ci 148662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 148762306a36Sopenharmony_ci module will be called sbc7240_wdt. 148862306a36Sopenharmony_ci 148962306a36Sopenharmony_ciconfig CPU5_WDT 149062306a36Sopenharmony_ci tristate "SMA CPU5 Watchdog" 149162306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 149262306a36Sopenharmony_ci help 149362306a36Sopenharmony_ci TBD. 149462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 149562306a36Sopenharmony_ci module will be called cpu5wdt. 149662306a36Sopenharmony_ci 149762306a36Sopenharmony_ciconfig SMSC_SCH311X_WDT 149862306a36Sopenharmony_ci tristate "SMSC SCH311X Watchdog Timer" 149962306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 150062306a36Sopenharmony_ci help 150162306a36Sopenharmony_ci This is the driver for the hardware watchdog timer on the 150262306a36Sopenharmony_ci SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset 150362306a36Sopenharmony_ci (LPC IO with 8042 KBC, Reset Generation, HWM and multiple 150462306a36Sopenharmony_ci serial ports). 150562306a36Sopenharmony_ci 150662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 150762306a36Sopenharmony_ci module will be called sch311x_wdt. 150862306a36Sopenharmony_ci 150962306a36Sopenharmony_ciconfig SMSC37B787_WDT 151062306a36Sopenharmony_ci tristate "Winbond SMsC37B787 Watchdog Timer" 151162306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 151262306a36Sopenharmony_ci help 151362306a36Sopenharmony_ci This is the driver for the hardware watchdog component on the 151462306a36Sopenharmony_ci Winbond SMsC37B787 chipset as used on the NetRunner Mainboard 151562306a36Sopenharmony_ci from Vision Systems and maybe others. 151662306a36Sopenharmony_ci 151762306a36Sopenharmony_ci This watchdog simply watches your kernel to make sure it doesn't 151862306a36Sopenharmony_ci freeze, and if it does, it reboots your computer after a certain 151962306a36Sopenharmony_ci amount of time. 152062306a36Sopenharmony_ci 152162306a36Sopenharmony_ci Usually a userspace daemon will notify the kernel WDT driver that 152262306a36Sopenharmony_ci userspace is still alive, at regular intervals. 152362306a36Sopenharmony_ci 152462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 152562306a36Sopenharmony_ci module will be called smsc37b787_wdt. 152662306a36Sopenharmony_ci 152762306a36Sopenharmony_ci Most people will say N. 152862306a36Sopenharmony_ci 152962306a36Sopenharmony_ciconfig TQMX86_WDT 153062306a36Sopenharmony_ci tristate "TQ-Systems TQMX86 Watchdog Timer" 153162306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 153262306a36Sopenharmony_ci select WATCHDOG_CORE 153362306a36Sopenharmony_ci help 153462306a36Sopenharmony_ci This is the driver for the hardware watchdog timer in the TQMX86 IO 153562306a36Sopenharmony_ci controller found on some of their ComExpress Modules. 153662306a36Sopenharmony_ci 153762306a36Sopenharmony_ci To compile this driver as a module, choose M here; the module 153862306a36Sopenharmony_ci will be called tqmx86_wdt. 153962306a36Sopenharmony_ci 154062306a36Sopenharmony_ci Most people will say N. 154162306a36Sopenharmony_ci 154262306a36Sopenharmony_ciconfig VIA_WDT 154362306a36Sopenharmony_ci tristate "VIA Watchdog Timer" 154462306a36Sopenharmony_ci depends on (X86 || COMPILE_TEST) && PCI 154562306a36Sopenharmony_ci select WATCHDOG_CORE 154662306a36Sopenharmony_ci help 154762306a36Sopenharmony_ci This is the driver for the hardware watchdog timer on VIA 154862306a36Sopenharmony_ci southbridge chipset CX700, VX800/VX820 or VX855/VX875. 154962306a36Sopenharmony_ci 155062306a36Sopenharmony_ci To compile this driver as a module, choose M here; the module 155162306a36Sopenharmony_ci will be called via_wdt. 155262306a36Sopenharmony_ci 155362306a36Sopenharmony_ci Most people will say N. 155462306a36Sopenharmony_ci 155562306a36Sopenharmony_ciconfig W83627HF_WDT 155662306a36Sopenharmony_ci tristate "Watchdog timer for W83627HF/W83627DHG and compatibles" 155762306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 155862306a36Sopenharmony_ci select WATCHDOG_CORE 155962306a36Sopenharmony_ci help 156062306a36Sopenharmony_ci This is the driver for the hardware watchdog on the following 156162306a36Sopenharmony_ci Super I/O chips. 156262306a36Sopenharmony_ci W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG 156362306a36Sopenharmony_ci W83637HF 156462306a36Sopenharmony_ci W83667HG/HG-B 156562306a36Sopenharmony_ci W83687THF 156662306a36Sopenharmony_ci W83697HF 156762306a36Sopenharmony_ci W83697UG 156862306a36Sopenharmony_ci NCT6775 156962306a36Sopenharmony_ci NCT6776 157062306a36Sopenharmony_ci NCT6779 157162306a36Sopenharmony_ci NCT6791 157262306a36Sopenharmony_ci NCT6792 157362306a36Sopenharmony_ci NCT6102D/04D/06D 157462306a36Sopenharmony_ci NCT6116D 157562306a36Sopenharmony_ci 157662306a36Sopenharmony_ci This watchdog simply watches your kernel to make sure it doesn't 157762306a36Sopenharmony_ci freeze, and if it does, it reboots your computer after a certain 157862306a36Sopenharmony_ci amount of time. 157962306a36Sopenharmony_ci 158062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 158162306a36Sopenharmony_ci module will be called w83627hf_wdt. 158262306a36Sopenharmony_ci 158362306a36Sopenharmony_ci Most people will say N. 158462306a36Sopenharmony_ci 158562306a36Sopenharmony_ciconfig W83877F_WDT 158662306a36Sopenharmony_ci tristate "W83877F (EMACS) Watchdog Timer" 158762306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 158862306a36Sopenharmony_ci help 158962306a36Sopenharmony_ci This is the driver for the hardware watchdog on the W83877F chipset 159062306a36Sopenharmony_ci as used in EMACS PC-104 motherboards (and likely others). This 159162306a36Sopenharmony_ci watchdog simply watches your kernel to make sure it doesn't freeze, 159262306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 159362306a36Sopenharmony_ci time. 159462306a36Sopenharmony_ci 159562306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 159662306a36Sopenharmony_ci module will be called w83877f_wdt. 159762306a36Sopenharmony_ci 159862306a36Sopenharmony_ci Most people will say N. 159962306a36Sopenharmony_ci 160062306a36Sopenharmony_ciconfig W83977F_WDT 160162306a36Sopenharmony_ci tristate "W83977F (PCM-5335) Watchdog Timer" 160262306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 160362306a36Sopenharmony_ci help 160462306a36Sopenharmony_ci This is the driver for the hardware watchdog on the W83977F I/O chip 160562306a36Sopenharmony_ci as used in AAEON's PCM-5335 SBC (and likely others). This 160662306a36Sopenharmony_ci watchdog simply watches your kernel to make sure it doesn't freeze, 160762306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 160862306a36Sopenharmony_ci time. 160962306a36Sopenharmony_ci 161062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 161162306a36Sopenharmony_ci module will be called w83977f_wdt. 161262306a36Sopenharmony_ci 161362306a36Sopenharmony_ciconfig MACHZ_WDT 161462306a36Sopenharmony_ci tristate "ZF MachZ Watchdog" 161562306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 161662306a36Sopenharmony_ci help 161762306a36Sopenharmony_ci If you are using a ZF Micro MachZ processor, say Y here, otherwise 161862306a36Sopenharmony_ci N. This is the driver for the watchdog timer built-in on that 161962306a36Sopenharmony_ci processor using ZF-Logic interface. This watchdog simply watches 162062306a36Sopenharmony_ci your kernel to make sure it doesn't freeze, and if it does, it 162162306a36Sopenharmony_ci reboots your computer after a certain amount of time. 162262306a36Sopenharmony_ci 162362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 162462306a36Sopenharmony_ci module will be called machzwd. 162562306a36Sopenharmony_ci 162662306a36Sopenharmony_ciconfig SBC_EPX_C3_WATCHDOG 162762306a36Sopenharmony_ci tristate "Winsystems SBC EPX-C3 watchdog" 162862306a36Sopenharmony_ci depends on X86 || COMPILE_TEST 162962306a36Sopenharmony_ci help 163062306a36Sopenharmony_ci This is the driver for the built-in watchdog timer on the EPX-C3 163162306a36Sopenharmony_ci Single-board computer made by Winsystems, Inc. 163262306a36Sopenharmony_ci 163362306a36Sopenharmony_ci *Note*: This hardware watchdog is not probeable and thus there 163462306a36Sopenharmony_ci is no way to know if writing to its IO address will corrupt 163562306a36Sopenharmony_ci your system or have any real effect. The only way to be sure 163662306a36Sopenharmony_ci that this driver does what you want is to make sure you 163762306a36Sopenharmony_ci are running it on an EPX-C3 from Winsystems with the watchdog 163862306a36Sopenharmony_ci timer at IO address 0x1ee and 0x1ef. It will write to both those 163962306a36Sopenharmony_ci IO ports. Basically, the assumption is made that if you compile 164062306a36Sopenharmony_ci this driver into your kernel and/or load it as a module, that you 164162306a36Sopenharmony_ci know what you are doing and that you are in fact running on an 164262306a36Sopenharmony_ci EPX-C3 board! 164362306a36Sopenharmony_ci 164462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 164562306a36Sopenharmony_ci module will be called sbc_epx_c3. 164662306a36Sopenharmony_ci 164762306a36Sopenharmony_ciconfig INTEL_MEI_WDT 164862306a36Sopenharmony_ci tristate "Intel MEI iAMT Watchdog" 164962306a36Sopenharmony_ci depends on INTEL_MEI && X86 165062306a36Sopenharmony_ci select WATCHDOG_CORE 165162306a36Sopenharmony_ci help 165262306a36Sopenharmony_ci A device driver for the Intel MEI iAMT watchdog. 165362306a36Sopenharmony_ci 165462306a36Sopenharmony_ci The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. 165562306a36Sopenharmony_ci Whenever the OS hangs or crashes, iAMT will send an event 165662306a36Sopenharmony_ci to any subscriber to this event. The watchdog doesn't reset the 165762306a36Sopenharmony_ci the platform. 165862306a36Sopenharmony_ci 165962306a36Sopenharmony_ci To compile this driver as a module, choose M here: 166062306a36Sopenharmony_ci the module will be called mei_wdt. 166162306a36Sopenharmony_ci 166262306a36Sopenharmony_ciconfig NI903X_WDT 166362306a36Sopenharmony_ci tristate "NI 903x/913x Watchdog" 166462306a36Sopenharmony_ci depends on X86 && ACPI 166562306a36Sopenharmony_ci select WATCHDOG_CORE 166662306a36Sopenharmony_ci help 166762306a36Sopenharmony_ci This is the driver for the watchdog timer on the National Instruments 166862306a36Sopenharmony_ci 903x/913x real-time controllers. 166962306a36Sopenharmony_ci 167062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will be 167162306a36Sopenharmony_ci called ni903x_wdt. 167262306a36Sopenharmony_ci 167362306a36Sopenharmony_ciconfig NIC7018_WDT 167462306a36Sopenharmony_ci tristate "NIC7018 Watchdog" 167562306a36Sopenharmony_ci depends on X86 && ACPI 167662306a36Sopenharmony_ci select WATCHDOG_CORE 167762306a36Sopenharmony_ci help 167862306a36Sopenharmony_ci Support for National Instruments NIC7018 Watchdog. 167962306a36Sopenharmony_ci 168062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will be 168162306a36Sopenharmony_ci called nic7018_wdt. 168262306a36Sopenharmony_ci 168362306a36Sopenharmony_ciconfig SIEMENS_SIMATIC_IPC_WDT 168462306a36Sopenharmony_ci tristate "Siemens Simatic IPC Watchdog" 168562306a36Sopenharmony_ci depends on SIEMENS_SIMATIC_IPC && PCI 168662306a36Sopenharmony_ci default y 168762306a36Sopenharmony_ci select WATCHDOG_CORE 168862306a36Sopenharmony_ci select P2SB if X86 168962306a36Sopenharmony_ci help 169062306a36Sopenharmony_ci This driver adds support for several watchdogs found in Industrial 169162306a36Sopenharmony_ci PCs from Siemens. 169262306a36Sopenharmony_ci 169362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will be 169462306a36Sopenharmony_ci called simatic-ipc-wdt. 169562306a36Sopenharmony_ci 169662306a36Sopenharmony_ci# M68K Architecture 169762306a36Sopenharmony_ci 169862306a36Sopenharmony_ciconfig M54xx_WATCHDOG 169962306a36Sopenharmony_ci tristate "MCF54xx watchdog support" 170062306a36Sopenharmony_ci depends on M548x 170162306a36Sopenharmony_ci help 170262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 170362306a36Sopenharmony_ci module will be called m54xx_wdt. 170462306a36Sopenharmony_ci 170562306a36Sopenharmony_ci# MicroBlaze Architecture 170662306a36Sopenharmony_ci 170762306a36Sopenharmony_ci# MIPS Architecture 170862306a36Sopenharmony_ci 170962306a36Sopenharmony_ciconfig ATH79_WDT 171062306a36Sopenharmony_ci tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog" 171162306a36Sopenharmony_ci depends on ATH79 || (ARM && COMPILE_TEST) 171262306a36Sopenharmony_ci help 171362306a36Sopenharmony_ci Hardware driver for the built-in watchdog timer on the Atheros 171462306a36Sopenharmony_ci AR71XX/AR724X/AR913X SoCs. 171562306a36Sopenharmony_ci 171662306a36Sopenharmony_ciconfig BCM47XX_WDT 171762306a36Sopenharmony_ci tristate "Broadcom BCM47xx Watchdog Timer" 171862306a36Sopenharmony_ci depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST 171962306a36Sopenharmony_ci select WATCHDOG_CORE 172062306a36Sopenharmony_ci help 172162306a36Sopenharmony_ci Hardware driver for the Broadcom BCM47xx Watchdog Timer. 172262306a36Sopenharmony_ci 172362306a36Sopenharmony_ciconfig RC32434_WDT 172462306a36Sopenharmony_ci tristate "IDT RC32434 SoC Watchdog Timer" 172562306a36Sopenharmony_ci depends on MIKROTIK_RB532 172662306a36Sopenharmony_ci help 172762306a36Sopenharmony_ci Hardware driver for the IDT RC32434 SoC built-in 172862306a36Sopenharmony_ci watchdog timer. 172962306a36Sopenharmony_ci 173062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 173162306a36Sopenharmony_ci module will be called rc32434_wdt. 173262306a36Sopenharmony_ci 173362306a36Sopenharmony_ciconfig INDYDOG 173462306a36Sopenharmony_ci tristate "Indy/I2 Hardware Watchdog" 173562306a36Sopenharmony_ci depends on SGI_HAS_INDYDOG 173662306a36Sopenharmony_ci help 173762306a36Sopenharmony_ci Hardware driver for the Indy's/I2's watchdog. This is a 173862306a36Sopenharmony_ci watchdog timer that will reboot the machine after a 60 second 173962306a36Sopenharmony_ci timer expired and no process has written to /dev/watchdog during 174062306a36Sopenharmony_ci that time. 174162306a36Sopenharmony_ci 174262306a36Sopenharmony_ciconfig JZ4740_WDT 174362306a36Sopenharmony_ci tristate "Ingenic jz4740 SoC hardware watchdog" 174462306a36Sopenharmony_ci depends on MIPS || COMPILE_TEST 174562306a36Sopenharmony_ci depends on COMMON_CLK 174662306a36Sopenharmony_ci select WATCHDOG_CORE 174762306a36Sopenharmony_ci select MFD_SYSCON 174862306a36Sopenharmony_ci help 174962306a36Sopenharmony_ci Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs. 175062306a36Sopenharmony_ci 175162306a36Sopenharmony_ciconfig WDT_MTX1 175262306a36Sopenharmony_ci tristate "MTX-1 Hardware Watchdog" 175362306a36Sopenharmony_ci depends on MIPS_MTX1 || (MIPS && COMPILE_TEST) 175462306a36Sopenharmony_ci help 175562306a36Sopenharmony_ci Hardware driver for the MTX-1 boards. This is a watchdog timer that 175662306a36Sopenharmony_ci will reboot the machine after a 100 seconds timer expired. 175762306a36Sopenharmony_ci 175862306a36Sopenharmony_ciconfig SIBYTE_WDOG 175962306a36Sopenharmony_ci tristate "Sibyte SoC hardware watchdog" 176062306a36Sopenharmony_ci depends on CPU_SB1 176162306a36Sopenharmony_ci help 176262306a36Sopenharmony_ci Watchdog driver for the built in watchdog hardware in Sibyte 176362306a36Sopenharmony_ci SoC processors. There are apparently two watchdog timers 176462306a36Sopenharmony_ci on such processors; this driver supports only the first one, 176562306a36Sopenharmony_ci because currently Linux only supports exporting one watchdog 176662306a36Sopenharmony_ci to userspace. 176762306a36Sopenharmony_ci 176862306a36Sopenharmony_ci To compile this driver as a loadable module, choose M here. 176962306a36Sopenharmony_ci The module will be called sb_wdog. 177062306a36Sopenharmony_ci 177162306a36Sopenharmony_ciconfig AR7_WDT 177262306a36Sopenharmony_ci tristate "TI AR7 Watchdog Timer" 177362306a36Sopenharmony_ci depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) 177462306a36Sopenharmony_ci help 177562306a36Sopenharmony_ci Hardware driver for the TI AR7 Watchdog Timer. 177662306a36Sopenharmony_ci 177762306a36Sopenharmony_ciconfig TXX9_WDT 177862306a36Sopenharmony_ci tristate "Toshiba TXx9 Watchdog Timer" 177962306a36Sopenharmony_ci depends on CPU_TX49XX || (MIPS && COMPILE_TEST) 178062306a36Sopenharmony_ci select WATCHDOG_CORE 178162306a36Sopenharmony_ci help 178262306a36Sopenharmony_ci Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. 178362306a36Sopenharmony_ci 178462306a36Sopenharmony_ciconfig OCTEON_WDT 178562306a36Sopenharmony_ci tristate "Cavium OCTEON SOC family Watchdog Timer" 178662306a36Sopenharmony_ci depends on CAVIUM_OCTEON_SOC 178762306a36Sopenharmony_ci default y 178862306a36Sopenharmony_ci select WATCHDOG_CORE 178962306a36Sopenharmony_ci select EXPORT_UASM if OCTEON_WDT = m 179062306a36Sopenharmony_ci help 179162306a36Sopenharmony_ci Hardware driver for OCTEON's on chip watchdog timer. 179262306a36Sopenharmony_ci Enables the watchdog for all cores running Linux. It 179362306a36Sopenharmony_ci installs a NMI handler and pokes the watchdog based on an 179462306a36Sopenharmony_ci interrupt. On first expiration of the watchdog, the 179562306a36Sopenharmony_ci interrupt handler pokes it. The second expiration causes an 179662306a36Sopenharmony_ci NMI that prints a message. The third expiration causes a 179762306a36Sopenharmony_ci global soft reset. 179862306a36Sopenharmony_ci 179962306a36Sopenharmony_ci When userspace has /dev/watchdog open, no poking is done 180062306a36Sopenharmony_ci from the first interrupt, it is then only poked when the 180162306a36Sopenharmony_ci device is written. 180262306a36Sopenharmony_ci 180362306a36Sopenharmony_ciconfig MARVELL_GTI_WDT 180462306a36Sopenharmony_ci tristate "Marvell GTI Watchdog driver" 180562306a36Sopenharmony_ci depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT) 180662306a36Sopenharmony_ci default y 180762306a36Sopenharmony_ci select WATCHDOG_CORE 180862306a36Sopenharmony_ci help 180962306a36Sopenharmony_ci Marvell GTI hardware supports watchdog timer. First timeout 181062306a36Sopenharmony_ci works as watchdog pretimeout and installed interrupt handler 181162306a36Sopenharmony_ci will be called on first timeout. Hardware can generate interrupt 181262306a36Sopenharmony_ci to SCP on second timeout but it is not enabled, so second 181362306a36Sopenharmony_ci timeout is ignored. If device poke does not happen then system 181462306a36Sopenharmony_ci will reboot on third timeout. 181562306a36Sopenharmony_ci 181662306a36Sopenharmony_ciconfig BCM2835_WDT 181762306a36Sopenharmony_ci tristate "Broadcom BCM2835 hardware watchdog" 181862306a36Sopenharmony_ci depends on ARCH_BCM2835 || (OF && COMPILE_TEST) 181962306a36Sopenharmony_ci select WATCHDOG_CORE 182062306a36Sopenharmony_ci help 182162306a36Sopenharmony_ci Watchdog driver for the built in watchdog hardware in Broadcom 182262306a36Sopenharmony_ci BCM2835 SoC. 182362306a36Sopenharmony_ci 182462306a36Sopenharmony_ci To compile this driver as a loadable module, choose M here. 182562306a36Sopenharmony_ci The module will be called bcm2835_wdt. 182662306a36Sopenharmony_ci 182762306a36Sopenharmony_ciconfig BCM_KONA_WDT 182862306a36Sopenharmony_ci tristate "BCM Kona Watchdog" 182962306a36Sopenharmony_ci depends on ARCH_BCM_MOBILE || COMPILE_TEST 183062306a36Sopenharmony_ci select WATCHDOG_CORE 183162306a36Sopenharmony_ci help 183262306a36Sopenharmony_ci Support for the watchdog timer on the following Broadcom BCM281xx 183362306a36Sopenharmony_ci family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and 183462306a36Sopenharmony_ci BCM28155 variants. 183562306a36Sopenharmony_ci 183662306a36Sopenharmony_ci Say 'Y' or 'M' here to enable the driver. The module will be called 183762306a36Sopenharmony_ci bcm_kona_wdt. 183862306a36Sopenharmony_ci 183962306a36Sopenharmony_ciconfig BCM_KONA_WDT_DEBUG 184062306a36Sopenharmony_ci bool "DEBUGFS support for BCM Kona Watchdog" 184162306a36Sopenharmony_ci depends on BCM_KONA_WDT || COMPILE_TEST 184262306a36Sopenharmony_ci help 184362306a36Sopenharmony_ci If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides 184462306a36Sopenharmony_ci access to the driver's internal data structures as well as watchdog 184562306a36Sopenharmony_ci timer hardware registres. 184662306a36Sopenharmony_ci 184762306a36Sopenharmony_ci If in doubt, say 'N'. 184862306a36Sopenharmony_ci 184962306a36Sopenharmony_ciconfig BCM7038_WDT 185062306a36Sopenharmony_ci tristate "BCM63xx/BCM7038 Watchdog" 185162306a36Sopenharmony_ci select WATCHDOG_CORE 185262306a36Sopenharmony_ci depends on HAS_IOMEM 185362306a36Sopenharmony_ci depends on ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC || BCM63XX || COMPILE_TEST 185462306a36Sopenharmony_ci help 185562306a36Sopenharmony_ci Watchdog driver for the built-in hardware in Broadcom 7038 and 185662306a36Sopenharmony_ci later SoCs used in set-top boxes. BCM7038 was made public 185762306a36Sopenharmony_ci during the 2004 CES, and since then, many Broadcom chips use this 185862306a36Sopenharmony_ci watchdog block, including some cable modem chips and DSL (63xx) 185962306a36Sopenharmony_ci chips. 186062306a36Sopenharmony_ci 186162306a36Sopenharmony_ciconfig IMGPDC_WDT 186262306a36Sopenharmony_ci tristate "Imagination Technologies PDC Watchdog Timer" 186362306a36Sopenharmony_ci depends on HAS_IOMEM 186462306a36Sopenharmony_ci depends on MIPS || COMPILE_TEST 186562306a36Sopenharmony_ci select WATCHDOG_CORE 186662306a36Sopenharmony_ci help 186762306a36Sopenharmony_ci Driver for Imagination Technologies PowerDown Controller 186862306a36Sopenharmony_ci Watchdog Timer. 186962306a36Sopenharmony_ci 187062306a36Sopenharmony_ci To compile this driver as a loadable module, choose M here. 187162306a36Sopenharmony_ci The module will be called imgpdc_wdt. 187262306a36Sopenharmony_ci 187362306a36Sopenharmony_ciconfig LANTIQ_WDT 187462306a36Sopenharmony_ci tristate "Lantiq SoC watchdog" 187562306a36Sopenharmony_ci depends on LANTIQ 187662306a36Sopenharmony_ci select WATCHDOG_CORE 187762306a36Sopenharmony_ci help 187862306a36Sopenharmony_ci Hardware driver for the Lantiq SoC Watchdog Timer. 187962306a36Sopenharmony_ci 188062306a36Sopenharmony_ciconfig LOONGSON1_WDT 188162306a36Sopenharmony_ci tristate "Loongson1 SoC hardware watchdog" 188262306a36Sopenharmony_ci depends on MACH_LOONGSON32 || COMPILE_TEST 188362306a36Sopenharmony_ci select WATCHDOG_CORE 188462306a36Sopenharmony_ci help 188562306a36Sopenharmony_ci Hardware driver for the Loongson1 SoC Watchdog Timer. 188662306a36Sopenharmony_ci 188762306a36Sopenharmony_ciconfig RALINK_WDT 188862306a36Sopenharmony_ci tristate "Ralink SoC watchdog" 188962306a36Sopenharmony_ci select WATCHDOG_CORE 189062306a36Sopenharmony_ci depends on RALINK 189162306a36Sopenharmony_ci help 189262306a36Sopenharmony_ci Hardware driver for the Ralink SoC Watchdog Timer. 189362306a36Sopenharmony_ci 189462306a36Sopenharmony_ciconfig GXP_WATCHDOG 189562306a36Sopenharmony_ci tristate "HPE GXP watchdog support" 189662306a36Sopenharmony_ci depends on ARCH_HPE_GXP || COMPILE_TEST 189762306a36Sopenharmony_ci select WATCHDOG_CORE 189862306a36Sopenharmony_ci help 189962306a36Sopenharmony_ci Say Y here to include support for the watchdog timer 190062306a36Sopenharmony_ci in HPE GXP SoCs. 190162306a36Sopenharmony_ci 190262306a36Sopenharmony_ci To compile this driver as a module, choose M here. 190362306a36Sopenharmony_ci The module will be called gxp-wdt. 190462306a36Sopenharmony_ci 190562306a36Sopenharmony_ciconfig MT7621_WDT 190662306a36Sopenharmony_ci tristate "Mediatek SoC watchdog" 190762306a36Sopenharmony_ci select WATCHDOG_CORE 190862306a36Sopenharmony_ci select REGMAP_MMIO 190962306a36Sopenharmony_ci select MFD_SYSCON 191062306a36Sopenharmony_ci depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST 191162306a36Sopenharmony_ci help 191262306a36Sopenharmony_ci Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. 191362306a36Sopenharmony_ci 191462306a36Sopenharmony_ciconfig PIC32_WDT 191562306a36Sopenharmony_ci tristate "Microchip PIC32 hardware watchdog" 191662306a36Sopenharmony_ci select WATCHDOG_CORE 191762306a36Sopenharmony_ci depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 191862306a36Sopenharmony_ci help 191962306a36Sopenharmony_ci Watchdog driver for the built in watchdog hardware in a PIC32. 192062306a36Sopenharmony_ci 192162306a36Sopenharmony_ci Configuration bits must be set appropriately for the watchdog to be 192262306a36Sopenharmony_ci controlled by this driver. 192362306a36Sopenharmony_ci 192462306a36Sopenharmony_ci To compile this driver as a loadable module, choose M here. 192562306a36Sopenharmony_ci The module will be called pic32-wdt. 192662306a36Sopenharmony_ci 192762306a36Sopenharmony_ciconfig PIC32_DMT 192862306a36Sopenharmony_ci tristate "Microchip PIC32 Deadman Timer" 192962306a36Sopenharmony_ci select WATCHDOG_CORE 193062306a36Sopenharmony_ci depends on MACH_PIC32 || (MIPS && COMPILE_TEST) 193162306a36Sopenharmony_ci help 193262306a36Sopenharmony_ci Watchdog driver for PIC32 instruction fetch counting timer. This 193362306a36Sopenharmony_ci specific timer is typically be used in mission critical and safety 193462306a36Sopenharmony_ci critical applications, where any single failure of the software 193562306a36Sopenharmony_ci functionality and sequencing must be detected. 193662306a36Sopenharmony_ci 193762306a36Sopenharmony_ci To compile this driver as a loadable module, choose M here. 193862306a36Sopenharmony_ci The module will be called pic32-dmt. 193962306a36Sopenharmony_ci 194062306a36Sopenharmony_ci# PARISC Architecture 194162306a36Sopenharmony_ci 194262306a36Sopenharmony_ci# POWERPC Architecture 194362306a36Sopenharmony_ci 194462306a36Sopenharmony_ciconfig GEF_WDT 194562306a36Sopenharmony_ci tristate "GE Watchdog Timer" 194662306a36Sopenharmony_ci depends on GE_FPGA 194762306a36Sopenharmony_ci help 194862306a36Sopenharmony_ci Watchdog timer found in a number of GE single board computers. 194962306a36Sopenharmony_ci 195062306a36Sopenharmony_ciconfig MPC5200_WDT 195162306a36Sopenharmony_ci bool "MPC52xx Watchdog Timer" 195262306a36Sopenharmony_ci depends on PPC_MPC52xx || COMPILE_TEST 195362306a36Sopenharmony_ci help 195462306a36Sopenharmony_ci Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog. 195562306a36Sopenharmony_ci 195662306a36Sopenharmony_ciconfig 8xxx_WDT 195762306a36Sopenharmony_ci tristate "MPC8xxx Platform Watchdog Timer" 195862306a36Sopenharmony_ci depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x 195962306a36Sopenharmony_ci select WATCHDOG_CORE 196062306a36Sopenharmony_ci help 196162306a36Sopenharmony_ci This driver is for a SoC level watchdog that exists on some 196262306a36Sopenharmony_ci Freescale PowerPC processors. So far this driver supports: 196362306a36Sopenharmony_ci - MPC8xx watchdogs 196462306a36Sopenharmony_ci - MPC83xx watchdogs 196562306a36Sopenharmony_ci - MPC86xx watchdogs 196662306a36Sopenharmony_ci 196762306a36Sopenharmony_ci For BookE processors (MPC85xx) use the BOOKE_WDT driver instead. 196862306a36Sopenharmony_ci 196962306a36Sopenharmony_ciconfig PIKA_WDT 197062306a36Sopenharmony_ci tristate "PIKA FPGA Watchdog" 197162306a36Sopenharmony_ci depends on WARP || (PPC64 && COMPILE_TEST) 197262306a36Sopenharmony_ci default y 197362306a36Sopenharmony_ci help 197462306a36Sopenharmony_ci This enables the watchdog in the PIKA FPGA. Currently used on 197562306a36Sopenharmony_ci the Warp platform. 197662306a36Sopenharmony_ci 197762306a36Sopenharmony_ciconfig BOOKE_WDT 197862306a36Sopenharmony_ci tristate "PowerPC Book-E Watchdog Timer" 197962306a36Sopenharmony_ci depends on BOOKE || 4xx 198062306a36Sopenharmony_ci select WATCHDOG_CORE 198162306a36Sopenharmony_ci help 198262306a36Sopenharmony_ci Watchdog driver for PowerPC Book-E chips, such as the Freescale 198362306a36Sopenharmony_ci MPC85xx SOCs and the IBM PowerPC 440. 198462306a36Sopenharmony_ci 198562306a36Sopenharmony_ci Please see Documentation/watchdog/watchdog-api.rst for 198662306a36Sopenharmony_ci more information. 198762306a36Sopenharmony_ci 198862306a36Sopenharmony_ciconfig BOOKE_WDT_DEFAULT_TIMEOUT 198962306a36Sopenharmony_ci int "PowerPC Book-E Watchdog Timer Default Timeout" 199062306a36Sopenharmony_ci depends on BOOKE_WDT 199162306a36Sopenharmony_ci default 38 if PPC_E500 199262306a36Sopenharmony_ci range 0 63 if PPC_E500 199362306a36Sopenharmony_ci default 3 if !PPC_E500 199462306a36Sopenharmony_ci range 0 3 if !PPC_E500 199562306a36Sopenharmony_ci help 199662306a36Sopenharmony_ci Select the default watchdog timer period to be used by the PowerPC 199762306a36Sopenharmony_ci Book-E watchdog driver. A watchdog "event" occurs when the bit 199862306a36Sopenharmony_ci position represented by this number transitions from zero to one. 199962306a36Sopenharmony_ci 200062306a36Sopenharmony_ci For Freescale Book-E processors, this is a number between 0 and 63. 200162306a36Sopenharmony_ci For other Book-E processors, this is a number between 0 and 3. 200262306a36Sopenharmony_ci 200362306a36Sopenharmony_ci The value can be overridden by the wdt_period command-line parameter. 200462306a36Sopenharmony_ci 200562306a36Sopenharmony_ciconfig MEN_A21_WDT 200662306a36Sopenharmony_ci tristate "MEN A21 VME CPU Carrier Board Watchdog Timer" 200762306a36Sopenharmony_ci select WATCHDOG_CORE 200862306a36Sopenharmony_ci depends on GPIOLIB || COMPILE_TEST 200962306a36Sopenharmony_ci help 201062306a36Sopenharmony_ci Watchdog driver for MEN A21 VMEbus CPU Carrier Boards. 201162306a36Sopenharmony_ci 201262306a36Sopenharmony_ci The driver can also be built as a module. If so, the module will be 201362306a36Sopenharmony_ci called mena21_wdt. 201462306a36Sopenharmony_ci 201562306a36Sopenharmony_ci If unsure select N here. 201662306a36Sopenharmony_ci 201762306a36Sopenharmony_ci# PPC64 Architecture 201862306a36Sopenharmony_ci 201962306a36Sopenharmony_ciconfig PSERIES_WDT 202062306a36Sopenharmony_ci tristate "POWER Architecture Platform Watchdog Timer" 202162306a36Sopenharmony_ci depends on PPC_PSERIES 202262306a36Sopenharmony_ci select WATCHDOG_CORE 202362306a36Sopenharmony_ci help 202462306a36Sopenharmony_ci Driver for virtual watchdog timers provided by PAPR 202562306a36Sopenharmony_ci hypervisors (e.g. PowerVM, KVM). 202662306a36Sopenharmony_ci 202762306a36Sopenharmony_ciconfig WATCHDOG_RTAS 202862306a36Sopenharmony_ci tristate "RTAS watchdog" 202962306a36Sopenharmony_ci depends on PPC_RTAS 203062306a36Sopenharmony_ci help 203162306a36Sopenharmony_ci This driver adds watchdog support for the RTAS watchdog. 203262306a36Sopenharmony_ci 203362306a36Sopenharmony_ci To compile this driver as a module, choose M here. The module 203462306a36Sopenharmony_ci will be called wdrtas. 203562306a36Sopenharmony_ci 203662306a36Sopenharmony_ci# RISC-V Architecture 203762306a36Sopenharmony_ci 203862306a36Sopenharmony_ciconfig STARFIVE_WATCHDOG 203962306a36Sopenharmony_ci tristate "StarFive Watchdog support" 204062306a36Sopenharmony_ci depends on ARCH_STARFIVE || COMPILE_TEST 204162306a36Sopenharmony_ci select WATCHDOG_CORE 204262306a36Sopenharmony_ci default ARCH_STARFIVE 204362306a36Sopenharmony_ci help 204462306a36Sopenharmony_ci Say Y here to support the watchdog of StarFive JH7100 and JH7110 204562306a36Sopenharmony_ci SoC. This driver can also be built as a module if choose M. 204662306a36Sopenharmony_ci 204762306a36Sopenharmony_ci# S390 Architecture 204862306a36Sopenharmony_ci 204962306a36Sopenharmony_ciconfig DIAG288_WATCHDOG 205062306a36Sopenharmony_ci tristate "System z diag288 Watchdog" 205162306a36Sopenharmony_ci depends on S390 205262306a36Sopenharmony_ci select WATCHDOG_CORE 205362306a36Sopenharmony_ci help 205462306a36Sopenharmony_ci IBM s/390 and zSeries machines running under z/VM 5.1 or later 205562306a36Sopenharmony_ci provide a virtual watchdog timer to their guest that cause a 205662306a36Sopenharmony_ci user define Control Program command to be executed after a 205762306a36Sopenharmony_ci timeout. 205862306a36Sopenharmony_ci LPAR provides a very similar interface. This driver handles 205962306a36Sopenharmony_ci both. 206062306a36Sopenharmony_ci 206162306a36Sopenharmony_ci To compile this driver as a module, choose M here. The module 206262306a36Sopenharmony_ci will be called diag288_wdt. 206362306a36Sopenharmony_ci 206462306a36Sopenharmony_ci# SUPERH (sh + sh64) Architecture 206562306a36Sopenharmony_ci 206662306a36Sopenharmony_ciconfig SH_WDT 206762306a36Sopenharmony_ci tristate "SuperH Watchdog" 206862306a36Sopenharmony_ci depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST) 206962306a36Sopenharmony_ci select WATCHDOG_CORE 207062306a36Sopenharmony_ci help 207162306a36Sopenharmony_ci This driver adds watchdog support for the integrated watchdog in the 207262306a36Sopenharmony_ci SuperH processors. If you have one of these processors and wish 207362306a36Sopenharmony_ci to have watchdog support enabled, say Y, otherwise say N. 207462306a36Sopenharmony_ci 207562306a36Sopenharmony_ci As a side note, saying Y here will automatically boost HZ to 1000 207662306a36Sopenharmony_ci so that the timer has a chance to clear the overflow counter. On 207762306a36Sopenharmony_ci slower systems (such as the SH-2 and SH-3) this will likely yield 207862306a36Sopenharmony_ci some performance issues. As such, the WDT should be avoided here 207962306a36Sopenharmony_ci unless it is absolutely necessary. 208062306a36Sopenharmony_ci 208162306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 208262306a36Sopenharmony_ci module will be called shwdt. 208362306a36Sopenharmony_ci 208462306a36Sopenharmony_ci# SPARC Architecture 208562306a36Sopenharmony_ci 208662306a36Sopenharmony_ci# SPARC64 Architecture 208762306a36Sopenharmony_ci 208862306a36Sopenharmony_ciconfig WATCHDOG_CP1XXX 208962306a36Sopenharmony_ci tristate "CP1XXX Hardware Watchdog support" 209062306a36Sopenharmony_ci depends on SPARC64 && PCI 209162306a36Sopenharmony_ci help 209262306a36Sopenharmony_ci This is the driver for the hardware watchdog timers present on 209362306a36Sopenharmony_ci Sun Microsystems CompactPCI models CP1400 and CP1500. 209462306a36Sopenharmony_ci 209562306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 209662306a36Sopenharmony_ci module will be called cpwatchdog. 209762306a36Sopenharmony_ci 209862306a36Sopenharmony_ci If you do not have a CompactPCI model CP1400 or CP1500, or 209962306a36Sopenharmony_ci another UltraSPARC-IIi-cEngine boardset with hardware watchdog, 210062306a36Sopenharmony_ci you should say N to this option. 210162306a36Sopenharmony_ci 210262306a36Sopenharmony_ciconfig WATCHDOG_RIO 210362306a36Sopenharmony_ci tristate "RIO Hardware Watchdog support" 210462306a36Sopenharmony_ci depends on SPARC64 && PCI 210562306a36Sopenharmony_ci help 210662306a36Sopenharmony_ci Say Y here to support the hardware watchdog capability on Sun RIO 210762306a36Sopenharmony_ci machines. The watchdog timeout period is normally one minute but 210862306a36Sopenharmony_ci can be changed with a boot-time parameter. 210962306a36Sopenharmony_ci 211062306a36Sopenharmony_ciconfig WATCHDOG_SUN4V 211162306a36Sopenharmony_ci tristate "Sun4v Watchdog support" 211262306a36Sopenharmony_ci select WATCHDOG_CORE 211362306a36Sopenharmony_ci depends on SPARC64 211462306a36Sopenharmony_ci help 211562306a36Sopenharmony_ci Say Y here to support the hypervisor watchdog capability embedded 211662306a36Sopenharmony_ci in the SPARC sun4v architecture. 211762306a36Sopenharmony_ci 211862306a36Sopenharmony_ci To compile this driver as a module, choose M here. The module will 211962306a36Sopenharmony_ci be called sun4v_wdt. 212062306a36Sopenharmony_ci 212162306a36Sopenharmony_ci# XTENSA Architecture 212262306a36Sopenharmony_ci 212362306a36Sopenharmony_ci# Xen Architecture 212462306a36Sopenharmony_ci 212562306a36Sopenharmony_ciconfig XEN_WDT 212662306a36Sopenharmony_ci tristate "Xen Watchdog support" 212762306a36Sopenharmony_ci depends on XEN 212862306a36Sopenharmony_ci select WATCHDOG_CORE 212962306a36Sopenharmony_ci help 213062306a36Sopenharmony_ci Say Y here to support the hypervisor watchdog capability provided 213162306a36Sopenharmony_ci by Xen 4.0 and newer. The watchdog timeout period is normally one 213262306a36Sopenharmony_ci minute but can be changed with a boot-time parameter. 213362306a36Sopenharmony_ci 213462306a36Sopenharmony_ciconfig UML_WATCHDOG 213562306a36Sopenharmony_ci tristate "UML watchdog" 213662306a36Sopenharmony_ci depends on UML || COMPILE_TEST 213762306a36Sopenharmony_ci 213862306a36Sopenharmony_ci# 213962306a36Sopenharmony_ci# ISA-based Watchdog Cards 214062306a36Sopenharmony_ci# 214162306a36Sopenharmony_ci 214262306a36Sopenharmony_cicomment "ISA-based Watchdog Cards" 214362306a36Sopenharmony_ci depends on ISA 214462306a36Sopenharmony_ci 214562306a36Sopenharmony_ciconfig PCWATCHDOG 214662306a36Sopenharmony_ci tristate "Berkshire Products ISA-PC Watchdog" 214762306a36Sopenharmony_ci depends on ISA 214862306a36Sopenharmony_ci help 214962306a36Sopenharmony_ci This is the driver for the Berkshire Products ISA-PC Watchdog card. 215062306a36Sopenharmony_ci This card simply watches your kernel to make sure it doesn't freeze, 215162306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 215262306a36Sopenharmony_ci time. This driver is like the WDT501 driver but for different 215362306a36Sopenharmony_ci hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. 215462306a36Sopenharmony_ci The PC watchdog cards can be ordered from <http://www.berkprod.com/>. 215562306a36Sopenharmony_ci 215662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 215762306a36Sopenharmony_ci module will be called pcwd. 215862306a36Sopenharmony_ci 215962306a36Sopenharmony_ci Most people will say N. 216062306a36Sopenharmony_ci 216162306a36Sopenharmony_ciconfig MIXCOMWD 216262306a36Sopenharmony_ci tristate "Mixcom Watchdog" 216362306a36Sopenharmony_ci depends on ISA 216462306a36Sopenharmony_ci help 216562306a36Sopenharmony_ci This is a driver for the Mixcom hardware watchdog cards. This 216662306a36Sopenharmony_ci watchdog simply watches your kernel to make sure it doesn't freeze, 216762306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 216862306a36Sopenharmony_ci time. 216962306a36Sopenharmony_ci 217062306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 217162306a36Sopenharmony_ci module will be called mixcomwd. 217262306a36Sopenharmony_ci 217362306a36Sopenharmony_ci Most people will say N. 217462306a36Sopenharmony_ci 217562306a36Sopenharmony_ciconfig WDT 217662306a36Sopenharmony_ci tristate "WDT Watchdog timer" 217762306a36Sopenharmony_ci depends on ISA 217862306a36Sopenharmony_ci help 217962306a36Sopenharmony_ci If you have a WDT500P or WDT501P watchdog board, say Y here, 218062306a36Sopenharmony_ci otherwise N. It is not possible to probe for this board, which means 218162306a36Sopenharmony_ci that you have to inform the kernel about the IO port and IRQ that 218262306a36Sopenharmony_ci is needed (you can do this via the io and irq parameters) 218362306a36Sopenharmony_ci 218462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 218562306a36Sopenharmony_ci module will be called wdt. 218662306a36Sopenharmony_ci 218762306a36Sopenharmony_ci# 218862306a36Sopenharmony_ci# PCI-based Watchdog Cards 218962306a36Sopenharmony_ci# 219062306a36Sopenharmony_ci 219162306a36Sopenharmony_cicomment "PCI-based Watchdog Cards" 219262306a36Sopenharmony_ci depends on PCI 219362306a36Sopenharmony_ci 219462306a36Sopenharmony_ciconfig PCIPCWATCHDOG 219562306a36Sopenharmony_ci tristate "Berkshire Products PCI-PC Watchdog" 219662306a36Sopenharmony_ci depends on PCI 219762306a36Sopenharmony_ci help 219862306a36Sopenharmony_ci This is the driver for the Berkshire Products PCI-PC Watchdog card. 219962306a36Sopenharmony_ci This card simply watches your kernel to make sure it doesn't freeze, 220062306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 220162306a36Sopenharmony_ci time. The card can also monitor the internal temperature of the PC. 220262306a36Sopenharmony_ci More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>. 220362306a36Sopenharmony_ci 220462306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 220562306a36Sopenharmony_ci module will be called pcwd_pci. 220662306a36Sopenharmony_ci 220762306a36Sopenharmony_ci Most people will say N. 220862306a36Sopenharmony_ci 220962306a36Sopenharmony_ciconfig WDTPCI 221062306a36Sopenharmony_ci tristate "PCI-WDT500/501 Watchdog timer" 221162306a36Sopenharmony_ci depends on PCI 221262306a36Sopenharmony_ci help 221362306a36Sopenharmony_ci If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N. 221462306a36Sopenharmony_ci 221562306a36Sopenharmony_ci If you have a PCI-WDT501 watchdog board then you can enable the 221662306a36Sopenharmony_ci temperature sensor by setting the type parameter to 501. 221762306a36Sopenharmony_ci 221862306a36Sopenharmony_ci If you want to enable the Fan Tachometer on the PCI-WDT501, then you 221962306a36Sopenharmony_ci can do this via the tachometer parameter. Only do this if you have a 222062306a36Sopenharmony_ci fan tachometer actually set up. 222162306a36Sopenharmony_ci 222262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 222362306a36Sopenharmony_ci module will be called wdt_pci. 222462306a36Sopenharmony_ci 222562306a36Sopenharmony_ci# 222662306a36Sopenharmony_ci# USB-based Watchdog Cards 222762306a36Sopenharmony_ci# 222862306a36Sopenharmony_ci 222962306a36Sopenharmony_cicomment "USB-based Watchdog Cards" 223062306a36Sopenharmony_ci depends on USB 223162306a36Sopenharmony_ci 223262306a36Sopenharmony_ciconfig USBPCWATCHDOG 223362306a36Sopenharmony_ci tristate "Berkshire Products USB-PC Watchdog" 223462306a36Sopenharmony_ci depends on USB 223562306a36Sopenharmony_ci help 223662306a36Sopenharmony_ci This is the driver for the Berkshire Products USB-PC Watchdog card. 223762306a36Sopenharmony_ci This card simply watches your kernel to make sure it doesn't freeze, 223862306a36Sopenharmony_ci and if it does, it reboots your computer after a certain amount of 223962306a36Sopenharmony_ci time. The card can also monitor the internal temperature of the PC. 224062306a36Sopenharmony_ci More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>. 224162306a36Sopenharmony_ci 224262306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 224362306a36Sopenharmony_ci module will be called pcwd_usb. 224462306a36Sopenharmony_ci 224562306a36Sopenharmony_ci Most people will say N. 224662306a36Sopenharmony_ci 224762306a36Sopenharmony_ciconfig KEEMBAY_WATCHDOG 224862306a36Sopenharmony_ci tristate "Intel Keem Bay SoC non-secure watchdog" 224962306a36Sopenharmony_ci depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST) 225062306a36Sopenharmony_ci select WATCHDOG_CORE 225162306a36Sopenharmony_ci help 225262306a36Sopenharmony_ci This option enable support for an In-secure watchdog timer driver for 225362306a36Sopenharmony_ci Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every 225462306a36Sopenharmony_ci count unit. An interrupt will be triggered, when the count crosses 225562306a36Sopenharmony_ci the threshold configured in the register. 225662306a36Sopenharmony_ci 225762306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 225862306a36Sopenharmony_ci module will be called keembay_wdt. 225962306a36Sopenharmony_ci 226062306a36Sopenharmony_ciendif # WATCHDOG 2261