From: Thierry Reding treding@nvidia.com
The video protection region is a reserved memory region that can be used for secure video playback. NVDEC can access this region to decode images into securely.
Signed-off-by: Thierry Reding treding@nvidia.com --- .../devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml index 4eb325cfd296..bcaaabca945d 100644 --- a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml +++ b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml @@ -60,6 +60,14 @@ properties: - const: dma-mem - const: write
+ memory-region: + items: + - description: reference to the video protection memory region + + memory-region-names: + items: + - const: protected + nvidia,memory-controller: $ref: /schemas/types.yaml#/definitions/phandle description: