| # Kconfig - Bluetooth drivers configuration options |
| |
| # |
| # Copyright (c) 2016 Intel Corporation |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| |
| comment "Bluetooth HCI Driver Options" |
| |
| config BT_UART |
| bool |
| |
| choice |
| prompt "Bluetooth HCI driver" |
| default BT_H4 |
| |
| config BT_H4 |
| bool "H:4 UART" |
| select UART_INTERRUPT_DRIVEN |
| select BT_UART |
| select BT_RECV_IS_RX_THREAD |
| depends on SERIAL |
| help |
| Bluetooth H:4 UART driver. Requires hardware flow control |
| lines to be available. |
| |
| config BT_H5 |
| bool "H:5 UART [EXPERIMENTAL]" |
| select UART_INTERRUPT_DRIVEN |
| select BT_UART |
| depends on SERIAL |
| help |
| Bluetooth three-wire (H:5) UART driver. Implementation of HCI |
| Three-Wire UART Transport Layer. |
| |
| config BT_SPI |
| bool "SPI HCI" |
| depends on SPI |
| help |
| Supports Bluetooth ICs using SPI as the communication protocol. |
| HCI packets are sent and received as single Byte transfers, |
| prepended after a known header. Headers may vary per device, so |
| additional platform specific knowledge may need to be added as |
| devices are. |
| |
| config BT_NO_DRIVER |
| bool "No default HCI driver" |
| help |
| This is intended for unit tests where no internal driver |
| should be selected. |
| |
| endchoice |
| |
| if !HAS_DTS |
| config BT_UART_ON_DEV_NAME |
| string "Device Name of UART Device for Bluetooth" |
| default "UART_0" |
| depends on BT_UART |
| help |
| This option specifies the name of UART device to be used |
| for Bluetooth. |
| endif |
| |
| config BT_SPI_DEV_NAME |
| string "Device Name of SPI Device for Bluetooth" |
| default "SPI_0" |
| depends on BT_SPI |
| help |
| This option specifies the name of SPI device to be used for Bluetooth. |
| On the controller side, this SPI device is used to encapsulate the |
| RAW HCI frames to send further up the stack. On the BLE stack side, |
| this device is used to reply back with HCI frames that are sent over |
| the air. |
| |
| if BT_SPI |
| |
| config BT_SPI_BLUENRG |
| bool "Enable compatibility with BlueNRG-based devices" |
| default n |
| help |
| Enable support for devices compatible with the BlueNRG Bluetooth |
| Stack. Current driver supports: ST X-NUCLEO BLE series. |
| |
| config BT_SPI_CHIP_SELECT_DEV_NAME |
| string "Chip Select (CS) line driver name" |
| depends on BT_SPI_BLUENRG |
| help |
| This option specifies the name of GPIO driver controlling |
| the Chip Select (CS) line. |
| |
| config BT_SPI_IRQ_DEV_NAME |
| string "IRQ line driver name" |
| help |
| This option specifies the name of GPIO driver controlling |
| the chip's IRQ line. |
| |
| config BT_SPI_RESET_DEV_NAME |
| string "Reset line driver name" |
| help |
| This option specifies the name of GPIO driver controlling |
| the chip's Reset line. |
| |
| config BT_SPI_CHIP_SELECT_PIN |
| int "SPI Chip Select (CS) line number" |
| depends on BT_SPI_BLUENRG |
| help |
| This option specifies the Chip Select (CS) line number on the SPI |
| device |
| |
| config BT_SPI_IRQ_PIN |
| int "SPI IRQ line number" |
| help |
| This option specifies the IRQ line number on the SPI device |
| |
| config BT_SPI_RESET_PIN |
| int "SPI Reset line number" |
| help |
| This option specifies the Reset line number on the SPI device |
| |
| config BT_SPI_MAX_CLK_FREQ |
| int "Maximum clock frequency for the HCI SPI interface" |
| default 5000000 |
| help |
| This option specifies the maximum clock rate the HCI SPI |
| interface is capable of running at. |
| |
| endif # BT_SPI |
