diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 7ce4176d19f5..477d78ae729a 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -1458,6 +1458,7 @@ properties:
       - description: i.MX91 based Boards
         items:
           - enum:
+              - fsl,imx91-9x9-qsb         # i.MX91 9x9 QSB Board
               - fsl,imx91-11x11-evk       # i.MX91 11x11 EVK Board
               - fsl,imx91-11x11-frdm      # FRDM i.MX91 Development Board
               - fsl,imx91-11x11-frdm-s    # FRDM i.MX91S Development Board