diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 285d5c2dd0f7..b76a2b8ac527 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -1432,6 +1432,7 @@ properties:
           - enum:
               - 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
           - const: fsl,imx91
 
       - description: i.MX93 based Boards