drm: rcar-du: Document the vsps property in the DT bindings



The property is used by the driver but is missing from the DT bindings.
Document it.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

parent eff7fd6b

Documentation/devicetree/bindings/display/renesas,du.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,9 @@ Required Properties:
		When supplied they must be named "dclkin.x" with "x" being the input
		clock numerical index.

		- vsps: A list of phandles to the VSP nodes that handle the memory
		interfaces for the DU channels.

		Required nodes:

		The connections to the DU output video ports are modeled using the OF graph