watchdog: xilinx: Add missing binding

Document current driver binding.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
watchdog: xilinx: Update year in header

Trivial patch.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
watchdog: xilinx: Use correct comment indentation

No functional changes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
watchdog: xilinx: Fix logic around enable-once feature

If xlnx,wdt-enable-once is specified and it is non zero
then setup WDOG_NO_WAY_OUT flag to prevert calling
stop function.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
ARM: zynq: Do not use hardcoded value

This is the solution made publicly on arm mailing list.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
ARM: zynq: Fix kernel-doc format

Minor cleanup.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
watchdog: zynq: Rename prescalar to prescaler

No functional changes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
watchdog: zynq: Fix kernel-doc format

Remove kernel-doc warnings.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
watchdog: zynq: Remove additional parentheses

Signed-off-by: Michal Simek <michal.simek@xilinx.com>