[PATCH v6 01/20] dt-bindings: iommu: mediatek: Increase max interrupt number

[Tinghan Shen]

mt8195 infra iommu uses 5 interrupts.

Signed-off-by: Tinghan Shen <tinghan.shen at mediatek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 .../bindings/iommu/mediatek,iommu.yaml        | 29 ++++++++++++++-----
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index fee0241b50988..f5634c1642e20 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -91,7 +91,8 @@ properties:
     maxItems: 1
 
   interrupts:
-    maxItems: 1
+    minItems: 1
+    maxItems: 5
 
   clocks:
     items:
@@ -183,14 +184,28 @@ allOf:
       required:
         - mediatek,infracfg
 
-  - if: # The IOMMUs don't have larbs.
-      not:
-        properties:
-          compatible:
-            contains:
-              const: mediatek,mt8195-iommu-infra
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8195-iommu-infra
 
     then:
+      properties:
+        interrupts:
+          description: The IOMMU has 5 banks. Each bank has its own interrupt.
+          items:
+            - description: The interrupt for IOMMU bank0
+            - description: The interrupt for IOMMU bank1
+            - description: The interrupt for IOMMU bank2
+            - description: The interrupt for IOMMU bank3
+            - description: The interrupt for IOMMU bank4
+
+    else: # For the MM IOMMU
+      properties:
+        interrupts:
+          maxItems: 1
+
       required:
         - mediatek,larbs
 
-- 
2.18.0