Commit 6bc6af37 authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Will Deacon
Browse files

dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500 



The SMMU on SM6375 requires 3 power domains to be active. Add an
appropriate description of that.

Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: default avatarWill Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221115152727.9736-2-konrad.dybcio@linaro.org


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 142e821f

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

+22 −1
Original line number Diff line number Diff line
@@ -201,7 +201,8 @@ properties: 
    maxItems: 7



  power-domains:

    maxItems: 1

    minItems: 1

    maxItems: 3



  nvidia,memory-controller:

    description: |
@@ -366,6 +367,26 @@ allOf: 
            - description: interface clock required to access smmu's registers

                through the TCU's programming interface.



  - if:

      properties:

        compatible:

          contains:

            const: qcom,sm6375-smmu-500

    then:

      properties:

        power-domains:

          items:

            - description: SNoC MMU TBU RT GDSC

            - description: SNoC MMU TBU NRT GDSC

            - description: SNoC TURING MMU TBU0 GDSC



      required:

        - power-domains

    else:

      properties:

        power-domains:

          maxItems: 1



examples:

  - |+

    /* SMMU with stream matching or stream indexing */