CONFIG_XILINX_WINDOW_WATCHDOG: Xilinx window watchdog timer

General informations

The Linux kernel configuration item CONFIG_XILINX_WINDOW_WATCHDOG:

• prompt: Xilinx window watchdog timer
• type: tristate
• depends on: ( CONFIG_HAS_IOMEM ) && ( CONFIG_ARM64 || CONFIG_COMPILE_TEST )
• defined in drivers/watchdog/Kconfig
• found in Linux kernels: 6.5–6.12
• modules built: xilinx_wwdt

Help text

Window watchdog driver for the versal_wwdt IP core. Window watchdog timer(WWDT) contains closed(first) and open(second) window with 32 bit width. Write to the watchdog timer within predefined window periods of time. This means a period that is not too soon and a period that is not too late. The WWDT has to be restarted within the open window time. If software tries to restart WWDT outside of the open window time period, it generates a reset.

To compile this driver as a module, choose M here: the module will be called xilinx_wwdt.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module xilinx_wwdt CONFIG_XILINX_WINDOW_WATCHDOG : drivers/watchdog/Kconfig : "Xilinx window watchdog timer" # in 6.5–6.12
• lkddb of "" "" "xlnx,versal-wwdt" : CONFIG_WATCHDOG CONFIG_XILINX_WINDOW_WATCHDOG : drivers/watchdog/xilinx_wwdt.c # in 6.5–6.12
• lkddb platform "Xilinx window watchdog" : CONFIG_WATCHDOG CONFIG_XILINX_WINDOW_WATCHDOG : drivers/watchdog/xilinx_wwdt.c # in 6.5–6.12

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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