What:		/sys/class/watchdog/watchdogn/bootstatus
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It contains status of the watchdog
		device at boot. It is equivalent to WDIOC_GETBOOTSTATUS of
		ioctl interface.

What:		/sys/class/watchdog/watchdogn/identity
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It contains identity string of
		watchdog device.

What:		/sys/class/watchdog/watchdogn/nowayout
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. While reading, it gives '1' if that
		device supports nowayout feature else, it gives '0'.

What:		/sys/class/watchdog/watchdogn/state
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It gives active/inactive status of
		watchdog device.

What:		/sys/class/watchdog/watchdogn/status
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It contains watchdog device's
		internal status bits. It is equivalent to WDIOC_GETSTATUS
		of ioctl interface.

What:		/sys/class/watchdog/watchdogn/timeleft
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It contains value of time left for
		reset generation. It is equivalent to WDIOC_GETTIMELEFT of
		ioctl interface.

What:		/sys/class/watchdog/watchdogn/timeout
Date:		August 2015
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It is read to know about current
		value of timeout programmed.

What:		/sys/class/watchdog/watchdogn/pretimeout
Date:		December 2016
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It specifies the time in seconds before
		timeout when the pretimeout interrupt is delivered.  Pretimeout
		is an optional feature.

What:		/sys/class/watchdog/watchdogn/pretimeout_avaialable_governors
Date:		February 2017
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read only file. It shows the pretimeout governors
		available for this watchdog.

What:		/sys/class/watchdog/watchdogn/pretimeout_governor
Date:		February 2017
Contact:	Wim Van Sebroeck <wim@iguana.be>
Description:
		It is a read/write file. When read, the currently assigned
		pretimeout governor is returned.  When written, it sets
		the pretimeout governor.
