[nrf noup] dts: Select SoftDevice Controller on nRF54LM20A

The SDC HCI controller is defined as a device tree node.
A node representing the SDC controller is added and selected as the
default over the open source link layer. This is consistent with other
SoCs.

Signed-off-by: Rafał Kuźnia <[email protected]>

Author: e-rk

boards/nordic/nrf54lm20dk/nrf54lm20a_cpuapp_common.dtsi

@@ -18,7 +18,7 @@
 		zephyr,bt-c2h-uart = &uart20;
 		zephyr,flash-controller = &rram_controller;
 		zephyr,flash = &cpuapp_rram;
-		zephyr,bt-hci = &bt_hci_controller;
+		zephyr,bt-hci = &bt_hci_sdc;
 		zephyr,ieee802154 = &ieee802154;
 	};
 };
@@ -131,7 +131,7 @@
 	status = "okay";
 };
 
-&bt_hci_controller {
+&bt_hci_sdc {
 	status = "okay";
 };
 

boards/nordic/nrf54lm20dk/nrf54lm20dk_nrf54lm20a_cpuapp.dts

@@ -18,7 +18,7 @@
 	};
 };
 
-&bt_hci_controller {
+&bt_hci_sdc {
 	status = "okay";
 };
 

dts/vendor/nordic/nrf54lm20a.dtsi

@@ -274,9 +274,11 @@
 					status = "disabled";
 				};
 
-				/* Note: In the nRF Connect SDK the SoftDevice Controller
-				 * is added and set as the default Bluetooth Controller.
-				 */
+				bt_hci_sdc: bt_hci_sdc {
+					compatible = "nordic,bt-hci-sdc";
+					status = "disabled";
+				};
+
 				bt_hci_controller: bt_hci_controller {
 					compatible = "zephyr,bt-hci-ll-sw-split";
 					status = "disabled";