1 files changed, 97 insertions, 0 deletions
diff --git a/bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-attach.sh b/bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-attach.sh
new file mode 100644
index 00000000..ef34c619
--- /dev/null
+++ b/bsp/meta-freescale-3rdparty/recipes-core/udev/udev-rules-digi/ccimx6ul/qca6564-attach.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+#===============================================================================
+#
+#  Copyright (C) 2019 by Digi International Inc.
+#  All rights reserved.
+#
+#  This program is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License version 2 as published by
+#  the Free Software Foundation.
+#
+#
+#  !Description: Initialize bluetooth hardware
+#
+#===============================================================================
+
+# Bluetooth power GPIO
+BT_EN_QCA_GPIO_NR="137"
+
+# set_gpio_value <gpio_nr> <value>
+set_gpio_value() {
+	local SG_GPIONR="${1}"
+	local SG_GPIOVAL="${2}"
+	local SG_GPIOPATH="/sys/class/gpio/gpio${SG_GPIONR}"
+
+	[ -d "${SG_GPIOPATH}" ] || printf "%s" "${SG_GPIONR}" > /sys/class/gpio/export
+	printf out > "${SG_GPIOPATH}/direction" && sleep .2
+	printf "${SG_GPIOVAL}" > "${SG_GPIOPATH}/value" && sleep .2
+	[ -d "${SG_GPIOPATH}" ] && printf "%s" "${SG_GPIONR}" > /sys/class/gpio/unexport
+}
+
+# powercycle_gpio <gpio_nr>
+powercycle_gpio() {
+	set_gpio_value "${1}" 0
+	set_gpio_value "${1}" 1
+}
+
+set_mac_address() {
+	# Get MAC address from the device tree. Use a default value if it has not been set.
+	BT_MACADDR="$(hexdump -ve '1/1 "%02X" ":"' /proc/device-tree/bluetooth/mac-address 2>/dev/null | sed 's/:$//g')"
+	if [ -z "${BT_MACADDR}" ] || [ "${BT_MACADDR}" = "00:00:00:00:00:00" ]; then
+		BT_MACADDR="00:04:F3:FF:FF:BB"
+	fi
+
+	# Convert the BT address to the hcitool command format.
+	#   Example:  "00:04:F3:11:22:33" coverted to "33 22 11 F3 04 00"
+	HCI_BT_ADDR="$(echo ${BT_MACADDR} | sed -e 's,^\(..\):\(..\):\(..\):\(..\):\(..\):\(..\)$,\6 \5 \4 \3 \2 \1,g')"
+
+	# Up the interface to be able to send hci commands
+	hciconfig hci0 up ||  echo "Cannot bring up bluetooth interface after initial attach" || exit 1
+
+	# Set the MAC address
+	hcitool -i hci0 cmd 3F 000B 01 02 06 ${HCI_BT_ADDR} > /dev/null || echo "Unable to set BT MAC Address" || exit 1
+
+	# Bring the interface down/up to apply the MAC change
+	hciconfig hci0 down ||  echo "Cannot bring down bluetooth interface after setting MAC" || exit 1
+	hciconfig hci0 up ||  echo "Cannot bring up bluetooth interface after setting MAC" || exit 1
+
+}
+
+bluetooth_init() {
+	# Start the Bluetooth driver and bring up the interface
+	killproc hciattach
+	powercycle_gpio "${BT_EN_QCA_GPIO_NR}"
+	hciattach ttymxc0 qualcomm 115200 -t3 flow unused > /dev/null 2>&1 || BT_ERROR="FAIL (hciattach)"
+	set_mac_address || BT_ERROR="Unable to set MAC address"
+}
+
+# Source function library
+. /etc/init.d/functions
+
+case "$1" in
+	start)
+		if [ -d "/proc/device-tree/bluetooth" ]; then
+			echo -n "Starting bluetooth hardware: "
+			bluetooth_init
+			echo "${BT_ERROR:-done.}"
+		fi
+		;;
+	stop)
+		if [ -d "/sys/class/bluetooth/hci0" ]; then
+			echo -n "Stopping bluetooth hardware: "
+			killproc hciattach
+			# Power down bluetooth
+			set_gpio_value "${BT_EN_QCA_GPIO_NR}" 0
+			echo "done."
+		fi
+		;;
+	restart)
+		$0 stop
+		sleep 1
+		$0 start
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart}"
+		exit 1
+		;;
+esac