1#
2# CAIF physical drivers
3#
4
5comment "CAIF transport drivers"
6
7config CAIF_TTY
8	tristate "CAIF TTY transport driver"
9	depends on CAIF && TTY
10	default n
11	---help---
12	The CAIF TTY transport driver is a Line Discipline (ldisc)
13	identified as N_CAIF. When this ldisc is opened from user space
14	it will redirect the TTY's traffic into the CAIF stack.
15
16config CAIF_SPI_SLAVE
17	tristate "CAIF SPI transport driver for slave interface"
18	depends on CAIF && HAS_DMA
19	default n
20	---help---
21	The CAIF Link layer SPI Protocol driver for Slave SPI interface.
22	This driver implements a platform driver to accommodate for a
23	platform specific SPI device. A sample CAIF SPI Platform device is
24	provided in Documentation/networking/caif/spi_porting.txt
25
26config CAIF_SPI_SYNC
27	bool "Next command and length in start of frame"
28	depends on CAIF_SPI_SLAVE
29	default n
30	---help---
31	Putting the next command and length in the start of the frame can
32	help to synchronize to the next transfer in case of over or under-runs.
33	This option also needs to be enabled on the modem.
34
35config CAIF_HSI
36       tristate "CAIF HSI transport driver"
37       depends on CAIF
38       default n
39       ---help---
40       The caif low level driver for CAIF over HSI.
41       Be aware that if you enable this then you also need to
42       enable a low-level HSI driver.
43
44config CAIF_VIRTIO
45	tristate "CAIF virtio transport driver"
46	depends on CAIF && HAS_DMA
47	select VHOST_RING
48	select VIRTIO
49	select GENERIC_ALLOCATOR
50	default n
51	---help---
52	The caif driver for CAIF over Virtio.
53
54if CAIF_VIRTIO
55source "drivers/vhost/Kconfig"
56endif
57