Commit 3d2deb0c authored by Krishna Reddy's avatar Krishna Reddy Committed by Will Deacon
Browse files

dt-bindings: arm-smmu: add binding for Tegra194 SMMU 



Add binding for NVIDIA's Tegra194 SoC SMMU.

Signed-off-by: default avatarKrishna Reddy <vdumpa@nvidia.com>
Reviewed-by: default avatarJon Hunter <jonathanh@nvidia.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200718193457.30046-5-vdumpa@nvidia.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent aab5a1c8

Documentation/devicetree/bindings/iommu/arm,smmu.yaml

+24 −1
Original line number Diff line number Diff line
@@ -44,6 +44,11 @@ properties: 
        items:

          - const: marvell,ap806-smmu-500

          - const: arm,mmu-500

      - description: NVIDIA SoCs that program two ARM MMU-500s identically

        items:

          - enum:

              - nvidia,tegra194-smmu

          - const: nvidia,smmu-500

      - items:

          - const: arm,mmu-500

          - const: arm,smmu-v2
@@ -61,7 +66,8 @@ properties: 
          - cavium,smmu-v2



  reg:

    maxItems: 1

    minItems: 1

    maxItems: 2



  '#global-interrupts':

    description: The number of global interrupts exposed by the device.
@@ -144,6 +150,23 @@ required: 


additionalProperties: false



allOf:

  - if:

      properties:

        compatible:

          contains:

            enum:

              - nvidia,tegra194-smmu

    then:

      properties:

        reg:

          minItems: 2

          maxItems: 2

    else:

      properties:

        reg:

          maxItems: 1



examples:

  - |+

    /* SMMU with stream matching or stream indexing */

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