diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
index c6af3a46364f..c5ce81e3ce45 100644
--- a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
@@ -203,6 +203,13 @@ properties:
               - st,stm32mp257f-ev1
           - const: st,stm32mp257
 
+      - description: Engicam MicroGEA STM32MP257 SoM based Boards
+        items:
+          - enum:
+              - engicam,microgea-stm32mp257-rmm
+          - const: engicam,microgea-stm32mp257
+          - const: st,stm32mp257
+
       - description: ST STM32MP235 based Boards
         items:
           - enum:
