This DART variant is found in the t8103 (M1) SoCs and used for the
USB4/Thunderbolt PCIe ports. Unlike the regular t8103 DART these support
up to 64 SIDs and require a slightly different MMIO layout.

Acked-by: Hector Martin <marcan@marcan.st>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
---
 Documentation/devicetree/bindings/iommu/apple,dart.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/iommu/apple,dart.yaml b/Documentation/devicetree/bindings/iommu/apple,dart.yaml
index 903edf85d72e..7adb1de455a5 100644
--- a/Documentation/devicetree/bindings/iommu/apple,dart.yaml
+++ b/Documentation/devicetree/bindings/iommu/apple,dart.yaml
@@ -24,6 +24,7 @@ properties:
   compatible:
     enum:
       - apple,t8103-dart
+      - apple,t8103-usb4-dart
       - apple,t8110-dart
       - apple,t6000-dart
 
-- 
2.34.1