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| author | Dmitry Osipenko <digetx@gmail.com> | 2019-06-23 20:07:26 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-25 13:20:01 +0300 |
| commit | 78b3e86b5a75b6fb3122b11d507023f1b194f663 (patch) | |
| tree | 1e0bdf815acedccb286bd49ecbfc80f031573ccc /Documentation/devicetree/bindings/media | |
| parent | e2727ec58c113c2c95cbb75f6a129bd1fa0bf761 (diff) | |
| download | linux-78b3e86b5a75b6fb3122b11d507023f1b194f663.tar.xz | |
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: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/media')
| -rw-r--r-- | Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt index 7302e949e662..602169b8aa19 100644 --- a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt +++ b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt @@ -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>; }; |