firmware-murata-infineon: add service support for start/stop

https://onedigi.atlassian.net/browse/DEL-9287

Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>

meta-digi-arm/recipes-bsp/firmware-murata-infineon/firmware-murata-infineon/cyw55512-bluetooth

@@ -1,7 +1,7 @@
 #!/bin/sh
 #===============================================================================
 #
-#  Copyright (C) 2024 by Digi International Inc.
+#  Copyright (C) 2024,2025 by Digi International Inc.
 #  All rights reserved.
 #
 #  This program is free software; you can redistribute it and/or modify it
@@ -24,15 +24,15 @@ log() {
 	fi
 }
 
-bt_power_cycle() {
+bt_power() {
 	#CCMP2 BT_REG_EN GPIO PZ5
-	gpioset gpiochip11 5=0
-	sleep 0.5
-	gpioset gpiochip11 5=1
+	gpioset gpiochip11 5="${1}"
 }
 
 bt_init() {
-	bt_power_cycle
+	bt_power 0
+	sleep 0.5
+	bt_power 1
 	# Load Bluetooth firmware on device
 	mbt download /lib/firmware/brcm/CYW55500A1.hcd
 	# Attach serial UART to the Bluetooth stack
@@ -47,4 +47,24 @@ bt_init() {
 	log info "OK"
 }
 
+bt_stop() {
+	killall btattach
+	bt_power 0
+}
+
+case "$1" in
+	start)
 		bt_init
+		;;
+	stop)
+		bt_stop
+		;;
+	restart)
+		$0 stop
+		$0 start
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart}"
+		exit 1
+		;;
+esac

meta-digi-arm/recipes-bsp/firmware-murata-infineon/firmware-murata-infineon/cyw55512-bluetooth.service

@@ -5,7 +5,8 @@ ConditionPathIsDirectory=/proc/device-tree/bluetooth
 
 [Service]
 Type=forking
-ExecStart=/etc/cyw55512-bluetooth
+ExecStart=/etc/cyw55512-bluetooth start
+ExecStop=/etc/cyw55512-bluetooth stop
 
 [Install]
 WantedBy=multi-user.target suspend.target