POWER Architecture Platform Watchdog Timer

modulename: pseries-wdt.ko

configname: CONFIG_PSERIES_WDT

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>POWER Architecture Platform Watchdog Timer
In linux kernel since version 6 (release Date: 2022-10-02)  
Driver for virtual watchdog timers provided by PAPR
hypervisors (e.g. PowerVM, KVM).

source code:
drivers/watchdog/pseries-wdt.c