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

Message ID 20230620095127.96600-2-angelogioacchino.delregno@collabora.com (mailing list archive)
State Superseded
Headers show
Series Add support for Qualcomm's legacy IOMMU v2 | expand

Commit Message

AngeloGioacchino Del Regno June 20, 2023, 9:51 a.m. UTC
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@collabora.com>
---
 Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Rob Herring (Arm) June 22, 2023, 1:50 a.m. UTC | #1
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@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
>
diff mbox series

Patch

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.
+
     required:
       - compatible
       - interrupts