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.vringh" 56endif 57