diff --git a/soc/arm/st_stm32/stm32h7/Kconfig.defconfig.stm32h743xx b/soc/arm/st_stm32/stm32h7/Kconfig.defconfig.stm32h743xx
new file mode 100644
index 00000000000..3774f4f8a93
--- /dev/null
+++ b/soc/arm/st_stm32/stm32h7/Kconfig.defconfig.stm32h743xx
@@ -0,0 +1,14 @@
+# ST STM32H743X MCU configuration options
+
+# Copyright (c) 2020 Teslabs Engineering S.L.
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_STM32H743XX
+
+config SOC
+	default "stm32h743xx"
+
+config NUM_IRQS
+	default 150
+
+endif # SOC_STM32H743XX
diff --git a/soc/arm/st_stm32/stm32h7/Kconfig.soc b/soc/arm/st_stm32/stm32h7/Kconfig.soc
index 69a9b94a409..65921097f20 100644
--- a/soc/arm/st_stm32/stm32h7/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32h7/Kconfig.soc
@@ -8,6 +8,11 @@ choice
 	prompt "STM32H7x MCU Selection"
 	depends on SOC_SERIES_STM32H7X
 
+config SOC_STM32H743XX
+	bool "STM32H743XX"
+	select CPU_CORTEX_M7
+	select CPU_HAS_FPU_DOUBLE_PRECISION
+
 config SOC_STM32H747XX
 	bool "STM32H747XX"
 	select CPU_HAS_FPU_DOUBLE_PRECISION if CPU_CORTEX_M7
diff --git a/soc/arm/st_stm32/stm32h7/soc.h b/soc/arm/st_stm32/stm32h7/soc.h
index 08a25129901..97d54462c89 100644
--- a/soc/arm/st_stm32/stm32h7/soc.h
+++ b/soc/arm/st_stm32/stm32h7/soc.h
@@ -7,15 +7,15 @@
 #ifndef _STM32F7_SOC_H_
 #define _STM32F7_SOC_H_
 
+#include <sys/util.h>
+
 #ifndef _ASMLANGUAGE
 
+#include <autoconf.h>
 #include <stm32h7xx.h>
 
-/* ARM CMSIS definitions must be included before kernel_includes.h.
- * Therefore, it is essential to include kernel_includes.h after including
- * core SOC-specific headers.
- */
-#include <kernel_includes.h>
+/* Add include for DTS generated information */
+#include <devicetree.h>
 
 #ifdef CONFIG_STM32H7_DUAL_CORE