On Fri Oct 17 17:58:37 2025 +0200, Marek Vasut wrote:
> Document optional phandle to mmio-sram, which can describe an SRAM
> region used for descriptor storage instead of regular DRAM region.
> Use of SRAM instead of DRAM for descriptor storage may improve bus
> access pattern and performance.
>
> Reviewed-by: Frank Li <[email protected]>
> Signed-off-by: Marek Vasut <[email protected]>
> Signed-off-by: Nicolas Dufresne <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml | 6 ++++++
1 file changed, 6 insertions(+)
---
diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
b/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
index b5aca3d2cc5c..18cc6315a821 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
@@ -55,6 +55,12 @@ properties:
minItems: 1 # Wrapper and all slots
maxItems: 5 # Wrapper and 4 slots
+ sram:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Optional phandle to a reserved on-chip SRAM regions. The SRAM can
+ be used for descriptor storage, which may improve bus utilization.
+
required:
- compatible
- reg
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