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

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Date:   Thu, 11 Aug 2022 10:57:54 +0800
From:   Tinghan Shen <tinghan.shen@...iatek.com>
To:     Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        "Will Deacon" <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lee Jones <lee@...nel.org>,
        "Matthias Brugger" <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Tinghan Shen <tinghan.shen@...iatek.com>,
        MandyJH Liu <mandyjh.liu@...iatek.com>
CC:     <iommu@...ts.linux.dev>, <linux-mediatek@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v6 01/20] dt-bindings: iommu: mediatek: Increase max interrupt number

mt8195 infra iommu uses 5 interrupts.

Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.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