Re: [PATCH v3 1/9] dt-bindings: dma: nvidia,tegra186-gpc-dma: Add iommu-map property

[Rob Herring (Arm)]

On Mon, 16 Mar 2026 22:48:15 +0530, Akhil R wrote:
> Add iommu-map property to specify separate stream IDs for each DMA
> channel. This enables each channel to be in its own IOMMU domain,
> keeping memory isolated from other devices sharing the same DMA
> controller.
> 
> Define the constraints such that if the channel and stream IDs are
> contiguous, a single entry can map all the channels. If the channels
> or stream IDs are non-contiguous, support multiple entries.
> 
> Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 

Acked-by: Rob Herring (Arm) <robh@xxxxxxxxxx>