[PATCH 8/8] dt-bindings: iommu: mediatek: Require mediatek, pericfg for mt8195-infra

[AngeloGioacchino Del Regno]

The MT8195 SoC has IOMMU related registers in the pericfg_ao iospace:
require a phandle to that.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---

Note for Rob: as of now, there's no iommu node in upstream mt8195 devicetrees yet.

 .../devicetree/bindings/iommu/mediatek,iommu.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 17d78b17027a..2441c2e8e55d 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -187,6 +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:
-- 
2.35.1