diff --git a/dts/arm/silabs/efr32bg22.dtsi b/dts/arm/silabs/efr32bg22.dtsi
index c8184284b61..87b14206936 100644
--- a/dts/arm/silabs/efr32bg22.dtsi
+++ b/dts/arm/silabs/efr32bg22.dtsi
@@ -31,6 +31,11 @@
 	interrupts = <46 0>;
 };
 
+&hfxo {
+	interrupts = <44 0>;
+	interrupt-names = "hfxo";
+};
+
 &msc {
 	flash0: flash@0 {
 		compatible = "soc-nv-flash";
diff --git a/dts/arm/silabs/efr32bg27.dtsi b/dts/arm/silabs/efr32bg27.dtsi
index 9e4d9b1d265..3a3b7e181af 100644
--- a/dts/arm/silabs/efr32bg27.dtsi
+++ b/dts/arm/silabs/efr32bg27.dtsi
@@ -41,6 +41,11 @@
 	interrupts = <52 0>;
 };
 
+&hfxo {
+	interrupts = <50 0>;
+	interrupt-names = "hfxo";
+};
+
 &msc {
 	flash0: flash@8000000 {
 		compatible = "soc-nv-flash";
diff --git a/dts/arm/silabs/efr32mg21.dtsi b/dts/arm/silabs/efr32mg21.dtsi
index bc3de715675..911f8cbff19 100644
--- a/dts/arm/silabs/efr32mg21.dtsi
+++ b/dts/arm/silabs/efr32mg21.dtsi
@@ -138,6 +138,8 @@
 			#clock-cells = <0>;
 			compatible = "silabs,hfxo";
 			reg = <0x5000c000 0x4000>;
+			interrupts = <45 0>;
+			interrupt-names = "hfxo";
 			clock-frequency = <DT_FREQ_K(38400)>;
 			ctune = <140>;
 			precision = <50>;
diff --git a/dts/arm/silabs/efr32mg24.dtsi b/dts/arm/silabs/efr32mg24.dtsi
index 00eeff0e38b..00a784cd1dc 100644
--- a/dts/arm/silabs/efr32mg24.dtsi
+++ b/dts/arm/silabs/efr32mg24.dtsi
@@ -208,6 +208,8 @@
 			#clock-cells = <0>;
 			compatible = "silabs,hfxo";
 			reg = <0x5a004000 0x4000>;
+			interrupts = <44 0>;
+			interrupt-names = "hfxo";
 			clock-frequency = <DT_FREQ_M(39)>;
 			ctune = <140>;
 			precision = <50>;
diff --git a/modules/hal_silabs/simplicity_sdk/CMakeLists.txt b/modules/hal_silabs/simplicity_sdk/CMakeLists.txt
index 0398ed5b75d..b59c14d11ed 100644
--- a/modules/hal_silabs/simplicity_sdk/CMakeLists.txt
+++ b/modules/hal_silabs/simplicity_sdk/CMakeLists.txt
@@ -114,11 +114,6 @@ zephyr_compile_definitions(
   ${SILABS_DEVICE_PART_NUMBER}
 )
 
-zephyr_compile_definitions_ifdef(CONFIG_SOC_GECKO_DEV_INIT
-  SL_CATALOG_POWER_MANAGER_PRESENT
-  SL_CATALOG_HFXO_MANAGER_PRESENT
-)
-
 zephyr_library_sources(
   ${DEVICE_DIR}/SiliconLabs/${SILABS_DEVICE_FAMILY}/Source/system_${CONFIG_SOC_SERIES}.c
   ${EMLIB_DIR}/src/em_system.c
@@ -131,6 +126,7 @@ zephyr_library_sources(
   ${SERVICE_DIR}/device_manager/src/sl_device_clock.c
   ${SERVICE_DIR}/device_manager/src/sl_device_gpio.c
   ${SERVICE_DIR}/device_manager/src/sl_device_peripheral.c
+  ${SERVICE_DIR}/memory_manager/profiler/src/sli_memory_profiler_stubs.c
 )
 
 if(NOT SILABS_DEVICE_FAMILY_NUMBER EQUAL "21")
@@ -156,18 +152,37 @@ zephyr_library_sources_ifdef(CONFIG_SOC_GECKO_IADC         ${EMLIB_DIR}/src/em_i
 zephyr_library_sources_ifdef(CONFIG_SOC_GECKO_BURTC        ${EMLIB_DIR}/src/em_burtc.c)
 zephyr_library_sources_ifdef(CONFIG_SOC_GECKO_CMU          ${EMLIB_DIR}/src/em_cmu.c)
 
+# Device Init
 if(CONFIG_SOC_GECKO_DEV_INIT)
-zephyr_library_sources_ifdef(CONFIG_DT_HAS_SILABS_SERIES2_DCDC_ENABLED
-  ${SERVICE_DIR}/device_init/src/sl_device_init_dcdc_s2.c
-)
+  zephyr_library_sources_ifdef(CONFIG_DT_HAS_SILABS_SERIES2_DCDC_ENABLED
+    ${SERVICE_DIR}/device_init/src/sl_device_init_dcdc_s2.c
+  )
+endif()
+
+# Power Manager
+if(CONFIG_SOC_GECKO_PM_BACKEND_PMGR)
+  zephyr_library_sources(
+    ${SERVICE_DIR}/power_manager/src/sl_power_manager.c
+    ${SERVICE_DIR}/power_manager/src/sl_power_manager_hal_s2.c
+  )
+  zephyr_compile_definitions(
+    SL_CATALOG_POWER_MANAGER_PRESENT
+  )
+  zephyr_compile_definitions_ifdef(CONFIG_SOC_GECKO_RTCC
+    SL_CATALOG_POWER_MANAGER_DEEPSLEEP_BLOCKING_HFXO_RESTORE_PRESENT
+  )
+endif()
+
+# HFXO Manager
+if(CONFIG_SOC_SILABS_HFXO_MANAGER)
+  zephyr_library_sources(
+    ${SERVICE_DIR}/hfxo_manager/src/sl_hfxo_manager.c
+    ${SERVICE_DIR}/hfxo_manager/src/sl_hfxo_manager_hal_s2.c
+  )
+  zephyr_compile_definitions(
+    SL_CATALOG_HFXO_MANAGER_PRESENT
+  )
 endif()
-zephyr_library_sources_ifdef(CONFIG_SOC_GECKO_DEV_INIT
-  ${SERVICE_DIR}/power_manager/src/sl_power_manager.c
-  ${SERVICE_DIR}/power_manager/src/sl_power_manager_hal_s2.c
-  ${SERVICE_DIR}/hfxo_manager/src/sl_hfxo_manager.c
-  ${SERVICE_DIR}/hfxo_manager/src/sl_hfxo_manager_hal_s2.c
-  ${SERVICE_DIR}/memory_manager/profiler/src/sli_memory_profiler_stubs.c
-)
 
 zephyr_library_sources_ifdef(CONFIG_SOC_GECKO_DEV_INIT     ${COMMON_DIR}/src/sl_slist.c)
 zephyr_library_sources_ifdef(CONFIG_SOC_GECKO_CORE
diff --git a/soc/silabs/Kconfig b/soc/silabs/Kconfig
index c9f7bdea180..e1474623154 100644
--- a/soc/silabs/Kconfig
+++ b/soc/silabs/Kconfig
@@ -128,6 +128,12 @@ config SOC_SILABS_SLEEPTIMER
 	help
 	  Set if the Sleeptimer HAL module is used.
 
+config SOC_SILABS_HFXO_MANAGER
+	bool
+	default y if PM && $(dt_nodelabel_enabled,sysrtc0) && $(dt_nodelabel_enabled,hfxo)
+	help
+	  Set if the HFXO Manager HAL module is used.
+
 if PM
 
 config SOC_GECKO_PM_BACKEND_PMGR
diff --git a/soc/silabs/silabs_s2/soc.c b/soc/silabs/silabs_s2/soc.c
index a6ad018bc43..2f76045b415 100644
--- a/soc/silabs/silabs_s2/soc.c
+++ b/soc/silabs/silabs_s2/soc.c
@@ -32,6 +32,10 @@
 
 LOG_MODULE_REGISTER(soc, CONFIG_SOC_LOG_LEVEL);
 
+#if defined(CONFIG_SOC_SILABS_HFXO_MANAGER)
+Z_ISR_DECLARE_DIRECT(DT_IRQ(DT_NODELABEL(hfxo), irq), 0, sl_hfxo_manager_irq_handler);
+#endif
+
 void soc_early_init_hook(void)
 {
 	/* Handle chip errata */
@@ -42,9 +46,12 @@ void soc_early_init_hook(void)
 	}
 	sl_clock_manager_init();
 
+	if (IS_ENABLED(CONFIG_SOC_SILABS_HFXO_MANAGER)) {
+		sl_hfxo_manager_init_hardware();
+		sl_hfxo_manager_init();
+	}
 	if (IS_ENABLED(CONFIG_PM)) {
 		sl_power_manager_init();
-		sl_hfxo_manager_init();
 	}
 }