diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml
index ee8f7ea907b0b..1696ac46a660e 100644
--- a/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml
@@ -29,6 +29,9 @@ properties:
   reg:
     maxItems: 1
 
+  iommus:
+    maxItems: 1
+
   interrupts:
     maxItems: 1