linux-kernel - [PATCH v1] dt-bindings: iommu: mediatek: mt8195: Fix max interrupts

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Date:   Thu,  8 Sep 2022 15:25:35 +0200
From:   matthias.bgg@...nel.org
To:     Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>
Cc:     devicetree@...r.kernel.org, Robin Murphy <robin.murphy@....com>,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        iommu@...ts.linux.dev, Rob Herring <robh+dt@...nel.org>,
        linux-mediatek@...ts.infradead.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Matthias Brugger <mbrugger@...e.com>
Subject: [PATCH v1] dt-bindings: iommu: mediatek: mt8195: Fix max interrupts

From: Matthias Brugger <mbrugger@...e.com>

The mt8195-iommu-infra has five banks and one interrupt for each.
Reflect that in the binding.

Signed-off-by: Matthias Brugger <mbrugger@...e.com>

---

 .../bindings/iommu/mediatek,iommu.yaml        | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index fee0241b50988..621aca2adfb7f 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -91,7 +91,7 @@ properties:
     maxItems: 1
 
   interrupts:
-    maxItems: 1
+    description: each bank has one dedicated interrupt
 
   clocks:
     items:
@@ -183,6 +183,19 @@ allOf:
       required:
         - mediatek,infracfg
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8195-iommu-infra
+
+    then:
+      properties:
+        interrupts:
+          maxItems: 5
+      required:
+        - interrupts
+
   - if: # The IOMMUs don't have larbs.
       not:
         properties:
@@ -191,8 +204,12 @@ allOf:
               const: mediatek,mt8195-iommu-infra
 
     then:
+      properties:
+        interrupts:
+          maxItems: 1
       required:
         - mediatek,larbs
+        - interrupts
 
 additionalProperties: false
 
-- 
2.37.3