diff --git a/soc/arm/silabs_exx32/efr32mg12p/Kconfig.defconfig.series b/soc/arm/silabs_exx32/efr32mg12p/Kconfig.defconfig.series
index a6881d77861..6f20bfbe57e 100644
--- a/soc/arm/silabs_exx32/efr32mg12p/Kconfig.defconfig.series
+++ b/soc/arm/silabs_exx32/efr32mg12p/Kconfig.defconfig.series
@@ -10,6 +10,7 @@ config SOC_SERIES
 
 config SOC_PART_NUMBER
 	default "EFR32MG12P332F1024GL125" if SOC_PART_NUMBER_EFR32MG12P332F1024GL125
+	default "EFR32MG12P432F1024GL125" if SOC_PART_NUMBER_EFR32MG12P432F1024GL125
 	default "EFR32MG12P433F1024GM68" if SOC_PART_NUMBER_EFR32MG12P433F1024GM68
 
 config NUM_IRQS
diff --git a/soc/arm/silabs_exx32/efr32mg12p/Kconfig.soc b/soc/arm/silabs_exx32/efr32mg12p/Kconfig.soc
index 8f2f260730d..b171553e638 100644
--- a/soc/arm/silabs_exx32/efr32mg12p/Kconfig.soc
+++ b/soc/arm/silabs_exx32/efr32mg12p/Kconfig.soc
@@ -10,3 +10,7 @@ config SOC_PART_NUMBER_EFR32MG12P332F1024GL125
 config SOC_PART_NUMBER_EFR32MG12P433F1024GM68
 	bool
 	depends on SOC_SERIES_EFR32MG12P
+
+config SOC_PART_NUMBER_EFR32MG12P432F1024GL125
+	bool
+	depends on SOC_SERIES_EFR32MG12P