| Message ID | 20220609100802.54513-6-angelogioacchino.delregno@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mtk_iommu: Specify phandles to infracfg and pericfg | expand |
On 09/06/2022 12:08, AngeloGioacchino Del Regno wrote: > Add property "mediatek,pericfg" 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 MT8195's infra IOMMU. > > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewd-by: Matthias Brugger <matthias.bgg@gmail.com> > --- > .../devicetree/bindings/iommu/mediatek,iommu.yaml | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml > index 4142a568b293..d5e3272a54e8 100644 > --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml > +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml > @@ -116,6 +116,10 @@ properties: > Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort > according to the local arbiter index, like larb0, larb1, larb2... > > + mediatek,pericfg: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: The phandle to the mediatek pericfg syscon > + > '#iommu-cells': > const: 1 > description: | > @@ -183,6 +187,16 @@ allOf: > required: > - mediatek,infracfg > > + - if: > + properties: > + compatible: > + contains: > + const: mediatek,mt8195-iommu-infra > + > + then: > + required: > + - mediatek,pericfg > + > - if: # The IOMMUs don't have larbs. > not: > properties:
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml index 4142a568b293..d5e3272a54e8 100644 --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml @@ -116,6 +116,10 @@ properties: Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort according to the local arbiter index, like larb0, larb1, larb2... + mediatek,pericfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle to the mediatek pericfg syscon + '#iommu-cells': const: 1 description: | @@ -183,6 +187,16 @@ allOf: required: - mediatek,infracfg + - if: + properties: + compatible: + contains: + const: mediatek,mt8195-iommu-infra + + then: + required: + - mediatek,pericfg + - if: # The IOMMUs don't have larbs. not: properties:
Add property "mediatek,pericfg" 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 MT8195's infra IOMMU. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- .../devicetree/bindings/iommu/mediatek,iommu.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+)