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: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> --- .../bindings/iommu/mediatek,iommu.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml index 2ae3bbad7f1a..4142a568b293 100644 --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml @@ -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: -- 2.35.1