19b27105bSSjur Braendeland# 29b27105bSSjur Braendeland# CAIF physical drivers 39b27105bSSjur Braendeland# 49b27105bSSjur Braendeland 59b27105bSSjur Braendelandcomment "CAIF transport drivers" 69b27105bSSjur Braendeland 79b27105bSSjur Braendelandconfig CAIF_TTY 89b27105bSSjur Braendeland tristate "CAIF TTY transport driver" 901eebb53SSjur Braendeland depends on CAIF 109b27105bSSjur Braendeland default n 119b27105bSSjur Braendeland ---help--- 129b27105bSSjur Braendeland The CAIF TTY transport driver is a Line Discipline (ldisc) 139b27105bSSjur Braendeland identified as N_CAIF. When this ldisc is opened from user space 149b27105bSSjur Braendeland it will redirect the TTY's traffic into the CAIF stack. 15529d6dadSSjur Braendeland 16529d6dadSSjur Braendelandconfig CAIF_SPI_SLAVE 17529d6dadSSjur Braendeland tristate "CAIF SPI transport driver for slave interface" 189dc002d8SHeiko Carstens depends on CAIF && HAS_DMA 19529d6dadSSjur Braendeland default n 20529d6dadSSjur Braendeland ---help--- 21529d6dadSSjur Braendeland The CAIF Link layer SPI Protocol driver for Slave SPI interface. 22529d6dadSSjur Braendeland This driver implements a platform driver to accommodate for a 23529d6dadSSjur Braendeland platform specific SPI device. A sample CAIF SPI Platform device is 24529d6dadSSjur Braendeland provided in Documentation/networking/caif/spi_porting.txt 25529d6dadSSjur Braendeland 26529d6dadSSjur Braendelandconfig CAIF_SPI_SYNC 27529d6dadSSjur Braendeland bool "Next command and length in start of frame" 28529d6dadSSjur Braendeland depends on CAIF_SPI_SLAVE 29529d6dadSSjur Braendeland default n 30529d6dadSSjur Braendeland ---help--- 31529d6dadSSjur Braendeland Putting the next command and length in the start of the frame can 32529d6dadSSjur Braendeland help to synchronize to the next transfer in case of over or under-runs. 33529d6dadSSjur Braendeland This option also needs to be enabled on the modem. 34