Messages in this thread | | | Date | Thu, 16 Jun 2022 14:57:53 +0200 | Subject | Re: [PATCH v4 1/5] dt-bindings: iommu: mediatek: Add mediatek,infracfg phandle | From | Matthias Brugger <> |
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On 16/06/2022 13:08, AngeloGioacchino Del Regno wrote: > 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@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
> --- > .../bindings/iommu/mediatek,iommu.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml > index 2ae3bbad7f1a..fee0241b5098 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: > @@ -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>;
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