[PATCH v3 03/11] dt-bindings: gpu: host1x: Document memory-regions for NVDEC
From: Thierry Reding
Date: Wed Jul 01 2026 - 12:12:11 EST
From: Thierry Reding <treding@xxxxxxxxxx>
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@xxxxxxxxxx>
---
.../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:
--
2.54.0