drivers: bluetooth: hci: add IW416 BT Controller Support

Added IW416 SoC support to enable Bluetooth HCI driver perform
firmware load, and works with blueooth HCI interface.

Removed cmake file from bt_controller/, added support in hal_nxp
module to fetch firmware blobs for iW416/nw612 BT Only FW.

Signed-off-by: Nirav Agrawal <[email protected]>

Author: nirav-agrawal

drivers/bluetooth/hci/Kconfig.nxp

@@ -1,5 +1,5 @@
 #
-# Copyright 2023-2024 NXP
+# Copyright 2023-2025 NXP
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -80,15 +80,23 @@ choice BT_NXP_MODULE
 config BT_NXP_NW612
 	bool "NW612 firmware for NXP IW612 Chipset"
 	help
-	  NXP IW612 Chipset supports Wi-Fi? 802.11a/b/g/n/ac/ax + Bluetooth? 5.3
+	  NXP IW612 Chipset supports Wi-Fi? 802.11a/b/g/n/ac/ax + Bluetooth? 5.4
 	  BR/EDR/LE + IEEE802.1.5.4 up to 601 Mbps data rate on Wi-Fi? and 2Mbps
 	  data rate on Bluetooth?. 4-wire UART@3M baud is supported. PCM for
 	  audio is also supported.
-	  Details of the module could be fond on https://www.nxp.com/products/
+	  Details of the module could be found on https://www.nxp.com/products/
 	  wireless-connectivity/wi-fi-plus-bluetooth-plus-802-15-4/2-4-5-ghz-
 	  dual-band-1x1-wi-fi-6-802-11ax-plus-bluetooth-5-4-plus-802-15-4-tri-
 	  radio-solution:IW612.
 
+config BT_NXP_IW416
+	bool "NXP IW416 Chipset"
+	help
+	  NXP IW416 Chipset supports Wi-Fi4 + Bluetooth5.2
+	  Details of the module could be found on https://www.nxp.com/products/
+	  wireless-connectivity/wi-fi-plus-bluetooth-plus-802-15-4/2-4-5-ghz-
+	  dual-band-1x1-wi-fi-4-802-11n-plus-bluetooth-5-2-solution:IW416.
+
 endchoice # BT_NXP_MODULE
 
 endif # BT_H4_NXP_CTLR

drivers/bluetooth/hci/hci_nxp_setup.c

@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 NXP
+ * Copyright 2024-2025 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -27,12 +27,13 @@ LOG_MODULE_REGISTER(bt_nxp_ctlr);
 
 #include "common/bt_str.h"
 
-#include "bt_nxp_ctlr_fw.h"
-
 #define DT_DRV_COMPAT nxp_bt_hci_uart
 
 #define FW_UPLOAD_CHANGE_TIMEOUT_RETRY_COUNT 6
 
+extern const unsigned char *bt_fw_bin;
+extern const unsigned int bt_fw_bin_len;
+
 static const struct device *uart_dev = DEVICE_DT_GET(DT_INST_GPARENT(0));
 
 #if DT_NODE_HAS_PROP(DT_DRV_INST(0), sdio_reset_gpios)

modules/hal_nxp/mcux/mcux-sdk-ng/middleware/bt_controller/CMakeLists.txt

@@ -39,5 +39,3 @@ endif()
 add_subdirectory(${MCUX_SDK_NG_DIR}/middleware/usb
   ${CMAKE_CURRENT_BINARY_DIR}/usb
 )
-
-add_subdirectory_ifdef(CONFIG_BT_H4_NXP_CTLR ${CMAKE_CURRENT_LIST_DIR}/bt_controller)