Kconfig - OpenGrok cross reference for /openbmc/linux/drivers/watchdog/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
14 	  longer than 1 minute will result in rebooting the machine. This
16 	  on-line as fast as possible after a lock-up. There's both a watchdog
17 	  implementation entirely in software (which can sometimes fail to
21 	  <file:Documentation/watchdog/watchdog-api.rst> in the kernel source.
51 	bool "Update boot-enabled watchdog until userspace takes over"
65 	  The maximum time, in seconds, for which the watchdog framework takes
77 	bool "Enable watchdog hrtimer-based pretimeouts"
82 	  be able to fire before the actual watchdog fires in some situations.
176 	  Support for the watchdog in the ROHM BD9576 and BD9573 PMICs.
189 	  Support for the watchdog in the DA9052 PMIC. Watchdog trigger
204 	  This driver can also be built as a module.  If so, the module
213 	  Support for the watchdog in the DA9063 PMIC.
215 	  This driver can be built as a module. The module name is da9063_wdt.
223 	  Support for the watchdog in the DA9062 and DA9061 PMICs.
225 	  This driver can be built as a module. The module name is da9062_wdt.
228 	tristate "Watchdog device controlled through GPIO-line"
233 	  controlled through GPIO-line.
239 	  In some situations, the default initcall level (module_init)
240 	  in not early enough in the boot process to avoid the watchdog
244 	  If in doubt, say N.
254 	  This driver can also be built as a module. If so the module
264 	  This driver can also be built as a module. If so the module
286 	  Support for the watchdog in the WM831x AudioPlus PMICs.  When
294 	  Support for the watchdog in the WM8350 AudioPlus PMIC.  When
358 	  module will be called mlx-wdt.
392 	  More details: ARM DEN0029B - Server Base System Architecture (SBSA)
397 	  Note: the maximum timeout in the two stages mode is half of that in
455 	  timer in the Xilinx Zynq.
461 	  The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
465 	  This driver does not work on all machines. In particular, early CATS
469 	  "If in doubt, leave it out" - say N.
475 	  Say Y here to include support for the WB977 watchdog included in
488 	  FTWDT010 watchdog timer embedded in the Cortina Systems Gemini
500 	  in the Intel IXP4xx network processors. This driver can
501 	  be built as a module by choosing M. The module will
507 	  (e.g., if the boot ROM is in an unreadable state).
517 	  Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos
522 	  signal, so with reasonably fast systems (PCLK around 50-66MHz)
527 	  The driver can be built as a module by choosing M, and will
548 	  watchdog timer found in many chips.
558 	  embedded in the Cirrus Logic EP93xx family of devices.
578 	  in the LPC32XX processor.
579 	  This driver can be built as a module by choosing M. The module
590 	  in the DaVinci DM644x/DM646x or Keystone processors.
603 	  timer (RTI module) available in the K3 generation of processors.
612 	  in the Marvell Orion5x and Kirkwood ARM SoCs.
624 	  This driver can also be built as a module.  If so, the module
633 	  in Allwinner SoCs.
667 	tristate "TS-4800 Watchdog"
673 	  Technologic Systems TS-4800 has watchdog timer implemented in
675 	  watchdog timer on TS-4800 board.
678 	tristate "TS-72XX SBC Watchdog"
682 	  Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
683 	  watchdog timer implemented in a external CPLD chip. Say Y here
684 	  if you want to support for the watchdog timer on TS-72XX boards.
729 	  ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware
751 	tristate "ST-Ericsson DB800 watchdog"
757 	  existing in the prcmu of ST-Ericsson DB8500 platform.
802 	  embedded in NVIDIA Tegra SoCs.
826 	  in Amlogic Meson GXBB SoCs.
836 	  in Amlogic Meson SoCs.
848 	  in Mediatek SoCs.
858 	  in Conexant Digicolor SoCs.
882 	  in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
892 	  This driver adds watchdog support for the integrated watchdogs in the
893 	  Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
900 	  This driver adds watchdog support for the integrated watchdogs in the
908 	  This driver adds watchdog support for the integrated watchdogs in the
916 	  This driver adds watchdog support for the integrated watchdogs in the
925 	  in Aspeed BMC SoCs.
939 	  in stm32 SoCs.
975 	  Say Y here to include support for the watchdog timer in
989 	  When built as a module this will be called realtek_otto_wdt.
1012 	  Say Y here to include support for the watchdog timer in Toshiba
1032 	  Say Y here to include support for the Watchdog found in Apple
1034 	  driver is also required in order to reboot these SoCs.
1045 	  in Sunplus SoCs.
1070 	  If you are configuring a Linux kernel for the Advantech single-board
1071 	  computer, say `Y' here to support its built-in watchdog timer
1100 	  as used in the x86 Cobalt servers and also found in some
1109 	tristate "WinSystems EBC-C384 Watchdog Timer"
1115 	  WinSystems EBC-C384 motherboard. The timeout may be configured via
1124 	  in some Exar/MaxLinear UART chips like the XR28V38x.
1158 	  This driver enables a watchdog capability built into the
1171 	  This is the driver for the hardware watchdog built in to the
1172 	  AMD "Elan" SC520 microcomputer commonly used in embedded systems.
1181 	tristate "Compulab SBC-FITPC2 watchdog"
1184 	  This is the driver for the built-in watchdog timer on the fit-PC2,
1185 	  fit-PC2i, CM-iAM single-board computers made by Compulab.
1189 	  When the "Watchdog Timer Value" is enabled one can set 31-255 seconds
1193 	  of current state, so system will not be restarted while user is in
1206 	tristate "Eurotech CPU-1220/1410 Watchdog Timer"
1209 	  Enable support for the watchdog timer on the Eurotech CPU-1220 and
1210 	  CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
1218 	  Board Computer produced by TMC Technology (www.tmc-uk.com). This
1235 	  timer built-in into some eServer xSeries machines.
1256 	  Hardware driver for the watchdog timer built into the Intel
1269 	  Hardware driver for the watchdog timer built into the Intel
1280 	  Watchdog timer driver built into the Intel SCU for Intel MID
1284 	  implementation in SCU, available for Merrifield generation.
1298 	  These drivers are included in the Intel 82801 I/O Controller
1299 	  Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
1326 	  This is the driver for the built-in watchdog timer on the IT8712F
1329 	  If the driver does not work, then make sure that the game port in
1380 	  This driver can also be built as a module. If so, the module will be
1401 	  Enable the built-in watchdog timer support on the National
1424 	  Hardware driver for the TCO timer built into the nVidia Hub family
1439 	tristate "RDC R-321x SoC watchdog"
1443 	  This is the driver for the built in hardware watchdog
1444 	  in the RDC R-321x SoC.
1450 	tristate "SBC-60XX Watchdog Timer"
1456 	  and re-set the watchdog timer, and reads port 0x45 to disable
1457 	  the watchdog.  If you have a card that behave in similar ways,
1530 	tristate "TQ-Systems TQMX86 Watchdog Timer"
1534 	  This is the driver for the hardware watchdog timer in the TQMX86 IO
1562 		W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1564 		W83667HG/HG-B
1590 	  as used in EMACS PC-104 motherboards (and likely others).  This
1601 	tristate "W83977F (PCM-5335) Watchdog Timer"
1605 	  as used in AAEON's PCM-5335 SBC (and likely others).  This
1618 	  N.  This is the driver for the watchdog timer built-in on that
1619 	  processor using ZF-Logic interface.  This watchdog simply watches
1627 	tristate "Winsystems SBC EPX-C3 watchdog"
1630 	  This is the driver for the built-in watchdog timer on the EPX-C3
1631 	  Single-board computer made by Winsystems, Inc.
1637 	  are running it on an EPX-C3 from Winsystems with the watchdog
1641 	  know what you are doing and that you are in fact running on an
1642 	  EPX-C3 board!
1668 	  903x/913x real-time controllers.
1690 	  This driver adds support for several watchdogs found in Industrial
1694 	  called simatic-ipc-wdt.
1713 	  Hardware driver for the built-in watchdog timer on the Atheros
1727 	  Hardware driver for the IDT RC32434 SoC built-in
1749 	  Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1752 	tristate "MTX-1 Hardware Watchdog"
1755 	  Hardware driver for the MTX-1 boards. This is a watchdog timer that
1762 	  Watchdog driver for the built in watchdog hardware in Sibyte
1782 	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1821 	  Watchdog driver for the built in watchdog hardware in Broadcom
1847 	  If in doubt, say 'N'.
1855 	  Watchdog driver for the built-in hardware in Broadcom 7038 and
1856 	  later SoCs used in set-top boxes.  BCM7038 was made public
1900 	  in HPE GXP SoCs.
1903 	  The module will be called gxp-wdt.
1919 	  Watchdog driver for the built in watchdog hardware in a PIC32.
1925 	  The module will be called pic32-wdt.
1933 	  specific timer is typically be used in mission critical and safety
1938 	  The module will be called pic32-dmt.
1948 	  Watchdog timer found in a number of GE single board computers.
1963 	  - MPC8xx watchdogs
1964 	  - MPC83xx watchdogs
1965 	  - MPC86xx watchdogs
1974 	  This enables the watchdog in the PIKA FPGA. Currently used on
1978 	tristate "PowerPC Book-E Watchdog Timer"
1982 	  Watchdog driver for PowerPC Book-E chips, such as the Freescale
1985 	  Please see Documentation/watchdog/watchdog-api.rst for
1989 	int "PowerPC Book-E Watchdog Timer Default Timeout"
1997 	  Book-E watchdog driver.  A watchdog "event" occurs when the bit
2000 	  For Freescale Book-E processors, this is a number between 0 and 63.
2001 	  For other Book-E processors, this is a number between 0 and 3.
2003 	  The value can be overridden by the wdt_period command-line parameter.
2012 	  The driver can also be built as a module. If so, the module will be
2036 # RISC-V Architecture
2045 	  SoC. This driver can also be built as a module if choose M.
2071 	  This driver adds watchdog support for the integrated watchdog in the
2077 	  slower systems (such as the SH-2 and SH-3) this will likely yield
2099 	  another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
2108 	  can be changed with a boot-time parameter.
2116 	  in the SPARC sun4v architecture.
2132 	  minute but can be changed with a boot-time parameter.
2139 # ISA-based Watchdog Cards
2142 comment "ISA-based Watchdog Cards"
2146 	tristate "Berkshire Products ISA-PC Watchdog"
2149 	  This is the driver for the Berkshire Products ISA-PC Watchdog card.
2153 	  hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>.
2188 # PCI-based Watchdog Cards
2191 comment "PCI-based Watchdog Cards"
2195 	tristate "Berkshire Products PCI-PC Watchdog"
2198 	  This is the driver for the Berkshire Products PCI-PC Watchdog card.
2210 	tristate "PCI-WDT500/501 Watchdog timer"
2213 	  If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
2215 	  If you have a PCI-WDT501 watchdog board then you can enable the
2218 	  If you want to enable the Fan Tachometer on the PCI-WDT501, then you
2226 # USB-based Watchdog Cards
2229 comment "USB-based Watchdog Cards"
2233 	tristate "Berkshire Products USB-PC Watchdog"
2236 	  This is the driver for the Berkshire Products USB-PC Watchdog card.
2248 	tristate "Intel Keem Bay SoC non-secure watchdog"
2252 	  This option enable support for an In-secure watchdog timer driver for
2253 	  Intel Keem Bay SoC. This WDT has a 32 bit timer and decrements in every
2255 	  the threshold configured in the register.