diff --git a/boards/shields/x_nucleo_bnrg2a1/boards/nucleo_l476rg.overlay b/boards/shields/x_nucleo_bnrg2a1/boards/nucleo_l476rg.overlay
new file mode 100644
index 00000000000..cdde24f69a7
--- /dev/null
+++ b/boards/shields/x_nucleo_bnrg2a1/boards/nucleo_l476rg.overlay
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2024 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,bt-c2h-uart = &usart2;
+	};
+};
diff --git a/boards/shields/x_nucleo_idb05a1/boards/nucleo_l476rg.overlay b/boards/shields/x_nucleo_idb05a1/boards/nucleo_l476rg.overlay
index 86c3d24ea57..87356961b33 100644
--- a/boards/shields/x_nucleo_idb05a1/boards/nucleo_l476rg.overlay
+++ b/boards/shields/x_nucleo_idb05a1/boards/nucleo_l476rg.overlay
@@ -4,6 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+/ {
+	chosen {
+		zephyr,bt-c2h-uart = &usart2;
+	};
+};
+
 &arduino_spi {
 	pinctrl-0 = <&spi1_sck_pb3 &spi1_miso_pa6 &spi1_mosi_pa7>;
 };
diff --git a/boards/st/b_l4s5i_iot01a/b_l4s5i_iot01a.dts b/boards/st/b_l4s5i_iot01a/b_l4s5i_iot01a.dts
index d85c2770ebf..531c5a5b20d 100644
--- a/boards/st/b_l4s5i_iot01a/b_l4s5i_iot01a.dts
+++ b/boards/st/b_l4s5i_iot01a/b_l4s5i_iot01a.dts
@@ -21,6 +21,7 @@
 		zephyr,flash = &flash0;
 		zephyr,code-partition = &slot0_partition;
 		zephyr,flash-controller = &mx25r6435f;
+		zephyr,bt-c2h-uart = &usart1;
 	};
 
 	leds {
diff --git a/boards/st/disco_l475_iot1/disco_l475_iot1.dts b/boards/st/disco_l475_iot1/disco_l475_iot1.dts
index 81beca8e7c0..572e8768c9e 100644
--- a/boards/st/disco_l475_iot1/disco_l475_iot1.dts
+++ b/boards/st/disco_l475_iot1/disco_l475_iot1.dts
@@ -21,6 +21,7 @@
 		zephyr,flash = &flash0;
 		zephyr,code-partition = &slot0_partition;
 		zephyr,flash-controller = &mx25r6435f;
+		zephyr,bt-c2h-uart = &usart1;
 	};
 
 	leds {
diff --git a/boards/st/sensortile_box/sensortile_box.dts b/boards/st/sensortile_box/sensortile_box.dts
index 4c5a9654b3d..102dbb6a73a 100644
--- a/boards/st/sensortile_box/sensortile_box.dts
+++ b/boards/st/sensortile_box/sensortile_box.dts
@@ -18,6 +18,7 @@
 		zephyr,shell-uart = &usart1;
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
+		zephyr,bt-c2h-uart = &usart1;
 	};
 
 	leds {
diff --git a/boards/st/sensortile_box_pro/sensortile_box_pro.dts b/boards/st/sensortile_box_pro/sensortile_box_pro.dts
index 8c159eb831f..951fb52fd81 100644
--- a/boards/st/sensortile_box_pro/sensortile_box_pro.dts
+++ b/boards/st/sensortile_box_pro/sensortile_box_pro.dts
@@ -25,7 +25,7 @@
 		 */
 		zephyr,console = &cdc_acm_uart0;
 		zephyr,shell-uart = &cdc_acm_uart0;
-
+		zephyr,bt-c2h-uart = &cdc_acm_uart0;
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
 		zephyr,code-partition = &slot0_partition;
diff --git a/boards/st/stm32l562e_dk/stm32l562e_dk.dts b/boards/st/stm32l562e_dk/stm32l562e_dk.dts
index 7473e130fce..2083e93ff0d 100644
--- a/boards/st/stm32l562e_dk/stm32l562e_dk.dts
+++ b/boards/st/stm32l562e_dk/stm32l562e_dk.dts
@@ -19,6 +19,7 @@
 		zephyr,shell-uart = &usart1;
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
+		zephyr,bt-c2h-uart = &usart1;
 	};
 
 	aliases {