[PATCH 3/8] dt-bindings: iommu: mediatek: Add mediatek,pericfg phandle

[AngeloGioacchino Del Regno]

Add property "mediatek,pericfg" to let the mtk_iommu driver retrieve
a phandle to the pericfg syscon instead of performing a per-soc
compatible lookup, as it was also done with infracfg.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 78c72c22740b..a6cf9678271f 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: |
-- 
2.35.1