dt-bindings: iommu: qcom,iommu: Add qcom,ctx-asid property

Add a new "qcom,ctx-asid" property to force an ASID number on IOMMU
contexts where required.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230622092742.74819-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
index d9fabdf..f7a64ad 100644 (file)
--- 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-asid:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description:
+          The ASID number associated to the context bank.
+
     required:
       - compatible
       - interrupts