# nobody's needed a slave side API yet. The master-role API is not
# fully appropriate there, so it'd need some thought to do well.
#
# nobody's needed a slave side API yet. The master-role API is not
# fully appropriate there, so it'd need some thought to do well.
#
help
The "Serial Peripheral Interface" is a low level synchronous
protocol. Chips that support SPI can have data transfer rates
help
The "Serial Peripheral Interface" is a low level synchronous
protocol. Chips that support SPI can have data transfer rates
(half duplex), SSP, SSI, and PSP. This driver framework should
work with most such devices and controllers.
(half duplex), SSP, SSI, and PSP. This driver framework should
work with most such devices and controllers.
help
Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
sysfs, and debugfs support in SPI controller and protocol drivers.
help
Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
sysfs, and debugfs support in SPI controller and protocol drivers.
config SPI_MPC83xx
tristate "Freescale MPC83xx/QUICC Engine SPI controller"
depends on SPI_MASTER && (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
config SPI_MPC83xx
tristate "Freescale MPC83xx/QUICC Engine SPI controller"
depends on SPI_MASTER && (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
the inbuilt hardware cannot provide the transfer mode, or
where the board is using non hardware connected pins.
the inbuilt hardware cannot provide the transfer mode, or
where the board is using non hardware connected pins.