diff --git a/soc/silabs/silabs_siwx91x/Kconfig b/soc/silabs/silabs_siwx91x/Kconfig
index eb696d43d19..34ea8e2dfa4 100644
--- a/soc/silabs/silabs_siwx91x/Kconfig
+++ b/soc/silabs/silabs_siwx91x/Kconfig
@@ -10,7 +10,13 @@ config SOC_FAMILY_SILABS_SIWX91X
 	select HAS_SILABS_WISECONNECT
 	select HAS_SEGGER_RTT if ZEPHYR_SEGGER_MODULE
 
+if SOC_FAMILY_SILABS_SIWX91X
+
+rsource "*/Kconfig"
+
 config SOC_SILABS_SLEEPTIMER
 	bool
 	help
 	  The Sleeptimer HAL module is used for SIWX91X.
+
+endif # SOC_FAMILY_SILABS_SIWX91X