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

From: matthias . bgg
Date: Thu Sep 08 2022 - 09:26:40 EST


From: Matthias Brugger <mbrugger@xxxxxxxx>

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

Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>

---

.../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