[PATCH V3 2/3] dt-bindings: iommu: Add NVIDIA Tegra CMDQV support

[Rob Herring (Arm)]

On Mon, 01 Dec 2025 16:32:18 +0000, Ashish Mhetre wrote:
> The Command Queue Virtualization (CMDQV) hardware is part of the
> SMMUv3 implementation on NVIDIA Tegra SoCs. It assists in
> virtualizing the command queue for the SMMU.
> 
> Add a new device tree binding document for nvidia,tegra264-cmdqv.
> 
> Also update the arm,smmu-v3 binding to include an optional nvidia,cmdqv
> property. This property is a phandle to the CMDQV device node, allowing
> the SMMU driver to associate with its corresponding CMDQV instance.
> Restrict this property usage to Nvidia Tegra264 only.
> 
> Signed-off-by: Ashish Mhetre <amhetre at nvidia.com>
> ---
>  .../bindings/iommu/arm,smmu-v3.yaml           | 30 ++++++++++++-
>  .../bindings/iommu/nvidia,tegra264-cmdqv.yaml | 42 +++++++++++++++++++
>  2 files changed, 70 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/iommu/nvidia,tegra264-cmdqv.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>