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1# SPDX-License-Identifier: GPL-2.0-only
2#
3# CAIF physical drivers
4#
5
6menuconfig CAIF_DRIVERS
7 bool "CAIF transport drivers"
8 depends on CAIF
9 help
10 Enable this to see CAIF physical drivers.
11
12if CAIF_DRIVERS
13
14config CAIF_TTY
15 tristate "CAIF TTY transport driver"
16 depends on CAIF && TTY
17 default n
18 help
19 The CAIF TTY transport driver is a Line Discipline (ldisc)
20 identified as N_CAIF. When this ldisc is opened from user space
21 it will redirect the TTY's traffic into the CAIF stack.
22
23config CAIF_HSI
24 tristate "CAIF HSI transport driver"
25 depends on CAIF
26 default n
27 help
28 The CAIF low level driver for CAIF over HSI.
29 Be aware that if you enable this then you also need to
30 enable a low-level HSI driver.
31
32config CAIF_VIRTIO
33 tristate "CAIF virtio transport driver"
34 depends on CAIF && HAS_DMA
35 select VHOST_RING
36 select VIRTIO
37 select GENERIC_ALLOCATOR
38 default n
39 help
40 The CAIF driver for CAIF over Virtio.
41
42endif # CAIF_DRIVERS