diff --git a/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml b/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml
index 4b3828eda6cb..0f2448371f17 100644
--- a/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml
+++ b/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml
@@ -70,6 +70,21 @@ required:
 
 unevaluatedProperties: false
 
+patternProperties:
+  "^.*@[0-9a-f]+":
+    type: object
+
+    properties:
+      spi-rx-bus-width:
+        maxItems: 8
+        items:
+          enum: [0, 1]
+
+      spi-tx-bus-width:
+        maxItems: 8
+        items:
+          enum: [0, 1]
+
 examples:
   - |
     spi@44a00000 {