diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
index e91425012319..727c5346b8ce 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
@@ -63,6 +63,9 @@ properties:
     maximum: 2
     default: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg