diff --git a/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml b/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml
index 95b951eea1b7..2c88e927d9d3 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml
@@ -98,7 +98,7 @@ properties:
       Width in bits of the length register as configured in hardware.
 
   xlnx,irq-delay:
-    $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint8
     minimum: 0
     maximum: 255
     description: