From 78b3e86b5a75b6fb3122b11d507023f1b194f663 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Sun, 23 Jun 2019 13:07:26 -0400 Subject: 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 Reviewed-by: Rob Herring Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation/devicetree/bindings/media') 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>; }; -- cgit v1.2.3