[Bluetooth] Add UART driver for Texas Instruments' BRF63xx chips

Add support for Texas Instruments' HCI Low Level (HCILL) Bluetooth
protocol, which is a power management extension to H4. The HCILL is
widely used by TI's BRF63xx Bluetooth chips.

Signed-off-by: Ohad Ben-Cohen <ohad@bencohen.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index b9fbe6e7f9ae..62b89b95ace2 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -55,6 +55,17 @@ config BT_HCIUART_BCSP
 
           Say Y here to compile support for HCI BCSP protocol.
 
+config BT_HCIUART_LL
+        bool "HCILL protocol support"
+        depends on BT_HCIUART
+        help
+          HCILL (HCI Low Level) is a serial protocol for communication
+          between Bluetooth device and host. This protocol is required for
+          serial Bluetooth devices that are based on Texas Instruments'
+          BRF chips.
+
+          Say Y here to compile support for HCILL protocol.
+
 config BT_HCIBCM203X
         tristate "HCI BCM203x USB driver"
         depends on USB