[PATCH v4 1/6] dt-bindings: iommu: qcom,iommu: Add qcom,ctx-num property

Rob Herring robh at kernel.org
Wed Jun 21 18:50:17 PDT 2023


On Tue, Jun 20, 2023 at 11:51:22AM +0200, AngeloGioacchino Del Regno wrote:
> Add a new "qcom,ctx-num" property to force an ASID number on IOMMU
> contexts where required.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>  Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> index d9fabdf930d9..0446ccc4116e 100644
> --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> @@ -71,6 +71,11 @@ patternProperties:
>        reg:
>          maxItems: 1
>  
> +      qcom,ctx-num:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        description:
> +          The ASID number associated to the context bank.

If the value is ASID, then qcom,ctx-asid would be more descriptive.

> +
>      required:
>        - compatible
>        - interrupts
> -- 
> 2.40.1
> 



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