* [PATCH v2] dt-bindings: iommu: Describe MT8195 infra IRQs
@ 2026-09-23 19:15 Rob Herring (Arm)
0 siblings, 0 replies; only message in thread
From: Rob Herring (Arm) @ 2026-09-23 19:15 UTC (permalink / raw)
To: Yong Wu, Joerg Roedel (AMD), Will Deacon, Robin Murphy,
Krzysztof Kozlowski, Conor Dooley, Matthias Brugger,
AngeloGioacchino Del Regno
Cc: iommu, linux-mediatek, devicetree, linux-kernel, linux-arm-kernel
The MT8195 infra IOMMU has one fault interrupt per IOMMU bank with 5 banks.
Keep other MediaTek IOMMUs limited to one unnamed interrupt.
Assisted-by: LLM
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
v2:
- Drop unnecessary 'interrupt-names' addition
---
.../bindings/iommu/mediatek,iommu.yaml | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 79c573c47b08..cbda221a4fc5 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -100,7 +100,10 @@ properties:
maxItems: 1
interrupts:
- maxItems: 1
+ minItems: 1
+ maxItems: 5
+ description:
+ A single interrupt or one interrupt per bank.
clocks:
items:
@@ -155,6 +158,19 @@ required:
- '#iommu-cells'
allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8195-iommu-infra
+ then:
+ properties:
+ interrupts:
+ minItems: 5
+ else:
+ properties:
+ interrupts:
+ maxItems: 1
- if:
properties:
compatible:
--
2.53.0
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