diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
index b07720ea9611445b502814dd6c0d524634882f05..fa0a1b84122e3bb729c55879e10d3718e861e815 100644
--- a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
@@ -28,6 +28,12 @@ properties:
           - enum:
               - st,stm32mp153
               - st,stm32mp157
+
+      - description: emtrion STM32MP1 Argon based Boards
+        items:
+          - const: emtrion,stm32mp157c-emsbc-argon
+          - const: emtrion,stm32mp157c-emstamp-argon
+          - const: st,stm32mp157
       - items:
           - enum:
               - st,stm32f429i-disco