diff --git a/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml b/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml
index 9b31f86..71364c6 100644
--- a/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml
+++ b/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml
@@ -32,7 +32,7 @@ properties:
     maxItems: 1
 
   iommus:
-    maxItems: 1
+    maxItems: 4
 
   power-domains:
     maxItems: 1