diff --git a/Documentation/devicetree/bindings/arm/stm32.txt b/Documentation/devicetree/bindings/arm/stm32.txt
index 05762b08a7bb..6808ed9ddfd5 100644
--- a/Documentation/devicetree/bindings/arm/stm32.txt
+++ b/Documentation/devicetree/bindings/arm/stm32.txt
@@ -7,3 +7,4 @@ using one of the following compatible strings:
   st,stm32f469
   st,stm32f746
   st,stm32h743
+  st,stm32mp157