[media.git/next] dt-bindings: media: mediatek,jpeg: Relax IOMMU max item count

[media-ci]

On Tue Oct 1 19:27:21 2024 +0800, Fei Shao wrote:
> On MediaTek platforms with Multimedia MMU (M4U), a multimedia hardware
> can be assigned with a local arbiter (LARB) which has a maximum of 32
> ports for MediaTek's IOMMU infrastructure. That means there can be at
> most 32 items in the iommus property in theory.
> 
> Instead of relaxing the max item count every time a newly introduced
> device tree hits the limit, bump the number to 32 as an one-time effort.
> 
> On the other hand, all existing and foreseeable JPEG decoder nodes at
> this point have at least 2 IOMMUs, so set minItems to 2 accordingly.
> 
> Signed-off-by: Fei Shao <fs...@chromium.org>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
> Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>

Patch committed.

Thanks,
Hans Verkuil

 Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml | 3 ++-
 Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

---

diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml 
b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
index cfabf360f278..a4aacd3eb189 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
@@ -44,7 +44,8 @@ properties:
     maxItems: 1
 
   iommus:
-    maxItems: 2
+    minItems: 2
+    maxItems: 32
     description: |
       Points to the respective IOMMU block with master port as argument, see
       Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for details.
diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml 
b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
index 83c020a673d6..5b15f8977f67 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
@@ -39,7 +39,7 @@ properties:
 
   iommus:
     minItems: 2
-    maxItems: 4
+    maxItems: 32
     description: |
       Points to the respective IOMMU block with master port as argument, see
       Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for details.