| Message ID | 20220616110830.26037-2-angelogioacchino.delregno@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mtk_iommu: Specify phandles to infracfg and pericfg | expand |
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>;
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>;
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> --- .../bindings/iommu/mediatek,iommu.yaml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)