diff --git a/boards/arm/stm32h747i_disco/Kconfig.defconfig b/boards/arm/stm32h747i_disco/Kconfig.defconfig
index c8fa55a2e37..f87aa3dd9d0 100644
--- a/boards/arm/stm32h747i_disco/Kconfig.defconfig
+++ b/boards/arm/stm32h747i_disco/Kconfig.defconfig
@@ -12,6 +12,14 @@ config BOARD
 config STM32H7_DUAL_CORE
 	default y
 
+if IPM_STM32_HSEM
+
+config IPM_STM32_HSEM_CPU
+	default 1 if BOARD_STM32H747I_DISCO_M7
+	default 2 if BOARD_STM32H747I_DISCO_M4
+
+endif # IPM_STM32_HSEM
+
 if NETWORKING
 
 config NET_L2_ETHERNET
diff --git a/boards/arm/stm32h747i_disco/doc/index.rst b/boards/arm/stm32h747i_disco/doc/index.rst
index f2526a23536..5aace0211fc 100644
--- a/boards/arm/stm32h747i_disco/doc/index.rst
+++ b/boards/arm/stm32h747i_disco/doc/index.rst
@@ -75,6 +75,8 @@ The current Zephyr stm32h747i_disco board configuration supports the following h
 +-----------+------------+-------------------------------------+
 | SDMMC     | on-chip    | disk access                         |
 +-----------+------------+-------------------------------------+
+| IPM       | on-chip    | virtual mailbox based on HSEM       |
++-----------+------------+-------------------------------------+
 
 (*) From UM2411 Rev 4:
    With the default setting, the Ethernet feature is not working because of