diff --git a/boards/arm/efr32_radio/CMakeLists.txt b/boards/arm/efr32_radio/CMakeLists.txt
deleted file mode 100644
index 77a7880c491..00000000000
--- a/boards/arm/efr32_radio/CMakeLists.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-zephyr_include_directories(.)
diff --git a/boards/arm/efr32_thunderboard/CMakeLists.txt b/boards/arm/efr32_thunderboard/CMakeLists.txt
index 17faf560add..ca93e65ac91 100644
--- a/boards/arm/efr32_thunderboard/CMakeLists.txt
+++ b/boards/arm/efr32_thunderboard/CMakeLists.txt
@@ -5,5 +5,3 @@ if(CONFIG_UART_GECKO)
   zephyr_library()
   zephyr_library_sources(board.c)
 endif()
-
-zephyr_include_directories(.)
diff --git a/boards/arm/efr32_thunderboard/sl_device_init_hfxo_config.h b/boards/arm/efr32_thunderboard/sl_device_init_hfxo_config.h
deleted file mode 100644
index 1b803c74f3d..00000000000
--- a/boards/arm/efr32_thunderboard/sl_device_init_hfxo_config.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * Copyright (c) 2022 Antmicro <www.antmicro.com>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#ifndef SL_DEVICE_INIT_HFXO_CONFIG_H
-#define SL_DEVICE_INIT_HFXO_CONFIG_H
-
-#define SL_DEVICE_INIT_HFXO_MODE           cmuHfxoOscMode_Crystal
-#define SL_DEVICE_INIT_HFXO_FREQ           38400000
-#define SL_DEVICE_INIT_HFXO_CTUNE          120
-
-#endif /* SL_DEVICE_INIT_HFXO_CONFIG_H */
diff --git a/boards/arm/efr32xg24_dk2601b/CMakeLists.txt b/boards/arm/efr32xg24_dk2601b/CMakeLists.txt
deleted file mode 100644
index 7997d692379..00000000000
--- a/boards/arm/efr32xg24_dk2601b/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-# Copyright (c) 2021 Sateesh Kotapati
-# SPDX-License-Identifier: Apache-2.0
-
-zephyr_library()
-zephyr_library_sources(board.c)
diff --git a/boards/arm/efr32xg24_dk2601b/sl_device_init_hfxo_config.h b/boards/arm/efr32xg24_dk2601b/sl_device_init_hfxo_config.h
deleted file mode 100644
index 7f9e211748e..00000000000
--- a/boards/arm/efr32xg24_dk2601b/sl_device_init_hfxo_config.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * Copyright (c) 2023 Antmicro <www.antmicro.com>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#ifndef SL_DEVICE_INIT_HFXO_CONFIG_H
-#define SL_DEVICE_INIT_HFXO_CONFIG_H
-
-#define SL_DEVICE_INIT_HFXO_MODE           cmuHfxoOscMode_Crystal
-#define SL_DEVICE_INIT_HFXO_FREQ           39000000
-#define SL_DEVICE_INIT_HFXO_CTUNE          140
-
-#endif /* SL_DEVICE_INIT_HFXO_CONFIG_H */
diff --git a/dts/arm/silabs/efr32bg2x.dtsi b/dts/arm/silabs/efr32bg2x.dtsi
index e1f3726e429..5202acd350a 100644
--- a/dts/arm/silabs/efr32bg2x.dtsi
+++ b/dts/arm/silabs/efr32bg2x.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/i2c/i2c.h>
 #include <dt-bindings/pinctrl/gecko-pinctrl.h>
 #include <dt-bindings/adc/adc.h>
+#include <freq.h>
 
 / {
 	chosen {
@@ -17,6 +18,15 @@
 		zephyr,entropy = &trng;
 	};
 
+	clocks {
+		clk_hfxo: clk-hfxo {
+			#clock-cells = <0>;
+			compatible = "silabs,hfxo";
+			clock-frequency = <DT_FREQ_K(38400)>;
+			ctune = <120>;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
diff --git a/dts/arm/silabs/efr32mg24.dtsi b/dts/arm/silabs/efr32mg24.dtsi
index 1ee015b7334..b42b775397f 100644
--- a/dts/arm/silabs/efr32mg24.dtsi
+++ b/dts/arm/silabs/efr32mg24.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/i2c/i2c.h>
 #include <dt-bindings/pinctrl/gecko-pinctrl.h>
 #include <dt-bindings/adc/adc.h>
+#include <freq.h>
 
 / {
 	chosen {
@@ -17,6 +18,15 @@
 		zephyr,entropy = &se;
 	};
 
+	clocks {
+		clk_hfxo: clk-hfxo {
+			#clock-cells = <0>;
+			compatible = "silabs,hfxo";
+			clock-frequency = <DT_FREQ_M(39)>;
+			ctune = <140>;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
diff --git a/dts/bindings/clock/silabs,hfxo.yaml b/dts/bindings/clock/silabs,hfxo.yaml
new file mode 100644
index 00000000000..cd0d3ad1742
--- /dev/null
+++ b/dts/bindings/clock/silabs,hfxo.yaml
@@ -0,0 +1,9 @@
+compatible: "silabs,hfxo"
+
+include: fixed-clock.yaml
+
+properties:
+  ctune:
+    type: int
+    required: true
+    description: Load capacitance configuration
diff --git a/boards/arm/efr32_radio/sl_device_init_hfxo_config.h b/soc/arm/silabs_exx32/common/sl_device_init_hfxo_config.h
similarity index 58%
rename from boards/arm/efr32_radio/sl_device_init_hfxo_config.h
rename to soc/arm/silabs_exx32/common/sl_device_init_hfxo_config.h
index c410e7c4093..533a591fbde 100644
--- a/boards/arm/efr32_radio/sl_device_init_hfxo_config.h
+++ b/soc/arm/silabs_exx32/common/sl_device_init_hfxo_config.h
@@ -7,12 +7,10 @@
 #ifndef SL_DEVICE_INIT_HFXO_CONFIG_H
 #define SL_DEVICE_INIT_HFXO_CONFIG_H
 
-#ifdef CONFIG_BOARD_EFR32_RADIO_BRD4187C
+#include <zephyr/devicetree.h>
 
 #define SL_DEVICE_INIT_HFXO_MODE           cmuHfxoOscMode_Crystal
-#define SL_DEVICE_INIT_HFXO_FREQ           39000000
-#define SL_DEVICE_INIT_HFXO_CTUNE          140
-
-#endif /* CONFIG_BOARD_EFR32_RADIO_BRD4187C */
+#define SL_DEVICE_INIT_HFXO_FREQ           DT_PROP(DT_NODELABEL(clk_hfxo), clock_frequency)
+#define SL_DEVICE_INIT_HFXO_CTUNE          DT_PROP(DT_NODELABEL(clk_hfxo), ctune)
 
 #endif /* SL_DEVICE_INIT_HFXO_CONFIG_H */