Commit 78b3e86b authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Mauro Carvalho Chehab
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media: dt: bindings: tegra-vde: Document new optional IOMMU property 



All NVIDIA Tegra SoC generations provide IOMMU support for the video
decoder engine. Document new optional device-tree property that connects
VDE with the IOMMU provider.

Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent e2727ec5

Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt

+2 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ Optional properties: 
- resets : Must contain an entry for each entry in reset-names.

- reset-names : Must include the following entries:

  - mc

- iommus: Must contain phandle to the IOMMU device node.



Example:
@@ -59,4 +60,5 @@ video-codec@6001a000 { 
	clocks = <&tegra_car TEGRA20_CLK_VDE>;

	reset-names = "vde", "mc";

	resets = <&tegra_car 61>, <&mc TEGRA20_MC_RESET_VDE>;

	iommus = <&mc TEGRA_SWGROUP_VDE>;

};