bluetooth: samples: hci_uart: Add nrf5340 antenna description

Adds antenna description for the nrf5340dk_nrf5340_cpunet
target. It allows to performthe Direct Test Mode with the
CTE feature on this target.

Signed-off-by: Kamil Gawor <[email protected]>

Author: Kamil Gawor

samples/bluetooth/hci_uart/boards/nrf5340dk_nrf5340_cpunet_df.overlay

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2022 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+ &uart0 {
+	compatible = "nordic,nrf-uarte";
+	current-speed = <1000000>;
+	status = "okay";
+	hw-flow-control;
+};
+
+&radio {
+	status = "okay";
+	/* This is an example number of antennas that may be available
+	 * on antenna matrix board.
+	 */
+	dfe-antenna-num = <10>;
+	/* This is an example switch pattern that will be used to set an
+	 * antenna for Tx PDU (period before start of Tx CTE).
+	 */
+	dfe-pdu-antenna = <0x0>;
+
+	/* These are example GPIO pin numbers that are provided to
+	 * Radio peripheral. The pins will be acquired by Radio to
+	 * drive antenna switching when AoD is enabled.
+	 */
+	dfegpio0-gpios = <&gpio0 4 0>;
+	dfegpio1-gpios = <&gpio0 5 0>;
+	dfegpio2-gpios = <&gpio0 6 0>;
+	dfegpio3-gpios = <&gpio0 7 0>;
+};

samples/bluetooth/hci_uart/sample.yaml

@@ -19,6 +19,13 @@ tests:
     extra_configs:
       - CONFIG_BT_CTLR_DF=y
     tags: uart bluetooth
+  sample.bluetooth.hci_uart.nrf5340_netcore.df:
+    harness: bluetooth
+    platform_allow: nrf5340dk_nrf5340_cpunet
+    extra_args: DTC_OVERLAY_FILE=./boards/nrf5340dk_nrf5340_cpunet_df.overlay
+    extra_configs:
+      - CONFIG_BT_CTLR_DF=y
+    tags: uart bluetooth
   sample.bluetooth.hci_uart.nrf52833.df.iq_report:
     harness: bluetooth
     platform_allow: nrf52833dk_nrf52833
@@ -27,3 +34,11 @@ tests:
       - CONFIG_BT_CTLR_DF=y
       - CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT=y
     tags: uart bluetooth
+  sample.bluetooth.hci_uart.nrf5340_netcore.df.iq_report:
+    harness: bluetooth
+    platform_allow: nrf5340dk_nrf5340_cpunet
+    extra_args: DTC_OVERLAY_FILE=./boards/nrf5340dk_nrf5340_cpunet_df.overlay
+    extra_configs:
+      - CONFIG_BT_CTLR_DF=y
+      - CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT=y
+    tags: uart bluetooth