rockpi4-plus: switch to correct dtb, enable bluetooth support

package/brcm-bluetooth/files/hci

@@ -11,10 +11,9 @@ start)
 	target=$(cat /etc/.adktarget)
 	case $target in
 	  raspberry-pi3 | raspberry-pi3p)
-	    hciattach /dev/ttyAMA0 bcm43xx 921600 noflow -
+	    btattach -B /dev/ttyAMA0 -P bcm
 	    ;;
 	  *)
-	    echo "No supported target found"
 	    ;;
 	esac
 	;;

package/u-boot/files/boot.script.rockpi4

@@ -1,4 +1,4 @@
 setenv bootargs console=ttyS2,115200 root=/dev/mmcblk0p1 rootwait
 ext4load mmc 1:1 $kernel_addr_r boot/kernel
-ext4load mmc 1:1 $fdt_addr_r boot/rk3399-rock-pi-4b.dtb
+ext4load mmc 1:1 $fdt_addr_r boot/rk3399-rock-pi-4b-plus.dtb
 booti $kernel_addr_r - $fdt_addr_r

target/aarch64/Makefile

@@ -85,7 +85,7 @@ ifeq ($(ADK_TARGET_BOARD_BCM28XX),y)
 	done
 endif
 ifeq ($(ADK_TARGET_SYSTEM_ROCKPI4_PLUS),y)
-	${KERNEL_MAKE} rockchip/rk3399-rock-pi-4b.dtb $(MAKE_TRACE)
+	${KERNEL_MAKE} rockchip/rk3399-rock-pi-4b-plus.dtb $(MAKE_TRACE)
 endif
 	for x in $(LINUX_DIR)/arch/arm64/boot/dts/*/*.dtb; do \
 		[[ -e "$$x" ]] && cp $(LINUX_DIR)/arch/arm64/boot/dts/*/*.dtb $(FW_DIR); \

target/aarch64/kernel/rockpi4-plus

@@ -1173,3 +1173,6 @@ CONFIG_DAX=y
 CONFIG_NVMEM=y
 CONFIG_NVMEM_SYSFS=y
 CONFIG_ROCKCHIP_EFUSE=y
+
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_SERIAL_DEV_CTRL_TTYPORT=y

target/aarch64/rockpi4-plus/extlinux.conf

@@ -1,4 +1,4 @@
 label rockpi4-plus-openadk
   kernel /kernel
-  devicetree /rk3399-rock-pi-4b.dtb
+  devicetree /rk3399-rock-pi-4b-plus.dtb
   append console=ttyS2,115200n8 root=/dev/mmcblk0p2 rootwait

target/aarch64/rockpi4-plus/genimage.cfg

@@ -2,7 +2,7 @@ image boot.vfat {
 	vfat {
 		files = {
 			"kernel",
-			"rk3399-rock-pi-4b.dtb",
+			"rk3399-rock-pi-4b-plus.dtb",
 			"extlinux"
 		}
 	}

target/linux/config/Config.in.bluetooth

@@ -132,12 +132,18 @@ config ADK_LINUX_KERNEL_BT_HCIUART_3WIRE
 	depends on ADK_LINUX_KERNEL_BT_HCIUART
 	default n
 
+config ADK_LINUX_KERNEL_BT_HCIUART_SERDEV
+	bool
+	depends on ADK_LINUX_KERNEL_BT_HCIUART
+	default n
+
 config ADK_LINUX_KERNEL_BT_HCIUART_BCM
-	tristate "Broadcom protocol support"
-	select ADK_LINUX_KERNEL_BT_HCIUART
+	bool "Broadcom protocol support"
+	select ADK_LINUX_KERNEL_BT_HCIUART_SERDEV
 	select ADK_LINUX_KERNEL_BT_HCIUART_3WIRE
 	select ADK_LINUX_KERNEL_BT_BCM
-	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI3
+	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI3 || \
+		ADK_TARGET_SYSTEM_ROCKPI4_PLUS
 	default n
 	help
 	  The Broadcom protocol support enables Bluetooth HCI over serial