Commit d034dbbb authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Joerg Roedel
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dt-bindings: iommu: mediatek: Add mediatek,infracfg phandle 



Add property "mediatek,infracfg" to let the mtk_iommu driver retrieve
a phandle to the infracfg syscon instead of performing a per-soc
compatible lookup in the entire devicetree and set it as a required
property for MT2712 and MT8173.

Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220616110830.26037-2-angelogioacchino.delregno@collabora.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent a111daf0

Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml

+17 −0
Original line number Diff line number Diff line
@@ -101,6 +101,10 @@ properties: 
    items:

      - const: bclk



  mediatek,infracfg:

    $ref: /schemas/types.yaml#/definitions/phandle

    description: The phandle to the mediatek infracfg syscon



  mediatek,larbs:

    $ref: /schemas/types.yaml#/definitions/phandle-array

    minItems: 1
@@ -167,6 +171,18 @@ allOf: 
      required:

        - power-domains



  - if:

      properties:

        compatible:

          contains:

            enum:

              - mediatek,mt2712-m4u

              - mediatek,mt8173-m4u



    then:

      required:

        - mediatek,infracfg



  - if: # The IOMMUs don't have larbs.

      not:

        properties:
@@ -191,6 +207,7 @@ examples: 
            interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>;

            clocks = <&infracfg CLK_INFRA_M4U>;

            clock-names = "bclk";

            mediatek,infracfg = <&infracfg>;

            mediatek,larbs = <&larb0>, <&larb1>, <&larb2>,

                             <&larb3>, <&larb4>, <&larb5>;

            #iommu-cells = <1>;