[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, 7 insertions, 1 deletions

diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 1097ce72393..50113db06b9 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -33,12 +33,13 @@
 #define HCIUARTGETDEVICE        _IOR('U', 202, int)
 
 /* UART protocols */
-#define HCI_UART_MAX_PROTO      4
+#define HCI_UART_MAX_PROTO      5
 
 #define HCI_UART_H4     0
 #define HCI_UART_BCSP   1
 #define HCI_UART_3WIRE  2
 #define HCI_UART_H4DS   3
+#define HCI_UART_LL     4
 
 struct hci_uart;
 
@@ -85,3 +86,8 @@ int h4_deinit(void);
 int bcsp_init(void);
 int bcsp_deinit(void);
 #endif
+
+#ifdef CONFIG_BT_HCIUART_LL
+int ll_init(void);
+int ll_deinit(void);
+#endif