# 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.
#
-menu "SPI support"
- depends on HAS_IOMEM
-
-config SPI
+menuconfig SPI
bool "SPI support"
+ depends on HAS_IOMEM
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.
+if SPI
+
config SPI_DEBUG
boolean "Debug support for SPI drivers"
- depends on SPI && DEBUG_KERNEL
+ depends on DEBUG_KERNEL
help
Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
sysfs, and debugfs support in SPI controller and protocol drivers.
controller and the protocol drivers for the SPI slave chips
that are connected.
+if SPI_MASTER
+
comment "SPI Master Controller Drivers"
- depends on SPI_MASTER
config SPI_ATMEL
tristate "Atmel SPI Controller"
- depends on (ARCH_AT91 || AVR32) && SPI_MASTER
+ depends on (ARCH_AT91 || AVR32)
help
This selects a driver for the Atmel SPI Controller, present on
many AT32 (AVR32) and AT91 (ARM) chips.
config SPI_BFIN
tristate "SPI controller driver for ADI Blackfin5xx"
- depends on SPI_MASTER && BFIN
+ depends on BLACKFIN
help
This is the SPI controller master driver for Blackfin 5xx processor.
config SPI_AU1550
tristate "Au1550/Au12x0 SPI Controller"
- depends on SPI_MASTER && (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
+ depends on (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
select SPI_BITBANG
help
If you say yes to this option, support will be included for the
will be called au1550_spi.
config SPI_BITBANG
- tristate "Bitbanging SPI master"
- depends on SPI_MASTER && EXPERIMENTAL
+ tristate "Utilities for Bitbanging SPI masters"
help
With a few GPIO pins, your system can bitbang the SPI protocol.
Select this to get SPI support through I/O pins (GPIO, parallel
config SPI_BUTTERFLY
tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
- depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+ depends on PARPORT
select SPI_BITBANG
help
This uses a custom parallel port cable to connect to an AVR
inexpensive battery powered microcontroller evaluation board.
This same cable can be used to flash new firmware.
+config SPI_GPIO
+ tristate "GPIO-based bitbanging SPI Master"
+ depends on GENERIC_GPIO
+ select SPI_BITBANG
+ help
+ This simple GPIO bitbanging SPI master uses the arch-neutral GPIO
+ interface to manage MOSI, MISO, SCK, and chipselect signals. SPI
+ slaves connected to a bus using this driver are configured as usual,
+ except that the spi_board_info.controller_data holds the GPIO number
+ for the chipselect used by this controller driver.
+
+ Note that this driver often won't achieve even 1 Mbit/sec speeds,
+ making it unusually slow for SPI. If your platform can inline
+ GPIO operations, you should be able to leverage that for better
+ speed with a custom version of this driver; see the source code.
+
config SPI_IMX
- tristate "Freescale iMX SPI controller"
- depends on SPI_MASTER && ARCH_IMX && EXPERIMENTAL
+ tristate "Freescale i.MX SPI controllers"
+ depends on ARCH_MXC
+ select SPI_BITBANG
help
- This enables using the Freescale iMX SPI controller in master
+ This enables using the Freescale i.MX SPI controllers in master
mode.
config SPI_LM70_LLP
tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
- depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+ depends on PARPORT && EXPERIMENTAL
select SPI_BITBANG
help
This driver supports the NS LM70 LLP Evaluation Board,
config SPI_MPC52xx_PSC
tristate "Freescale MPC52xx PSC SPI controller"
- depends on SPI_MASTER && PPC_MPC52xx && EXPERIMENTAL
+ depends on PPC_MPC52xx && EXPERIMENTAL
help
This enables using the Freescale MPC52xx Programmable Serial
Controller in master SPI mode.
-config SPI_MPC83xx
- tristate "Freescale MPC83xx SPI controller"
- depends on SPI_MASTER && PPC_83xx && EXPERIMENTAL
- select SPI_BITBANG
+config SPI_MPC8xxx
+ tristate "Freescale MPC8xxx SPI controller"
+ depends on FSL_SOC
help
- This enables using the Freescale MPC83xx SPI controller in master
+ This enables using the Freescale MPC8xxx SPI controllers in master
mode.
- Note, this driver uniquely supports the SPI controller on the MPC83xx
- family of PowerPC processors. The MPC83xx uses a simple set of shift
- registers for data (opposed to the CPM based descriptor model).
+ This driver uses a simple set of shift registers for data (opposed
+ to the CPM based descriptor model).
config SPI_OMAP_UWIRE
tristate "OMAP1 MicroWire"
- depends on SPI_MASTER && ARCH_OMAP1
+ depends on ARCH_OMAP1
select SPI_BITBANG
help
This hooks up to the MicroWire controller on OMAP1 chips.
+config SPI_OMAP24XX
+ tristate "McSPI driver for OMAP24xx/OMAP34xx"
+ depends on ARCH_OMAP24XX || ARCH_OMAP34XX
+ help
+ SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
+ (McSPI) modules.
+
+config SPI_ORION
+ tristate "Orion SPI master (EXPERIMENTAL)"
+ depends on PLAT_ORION && EXPERIMENTAL
+ help
+ This enables using the SPI master controller on the Orion chips.
+
+config SPI_PL022
+ tristate "ARM AMBA PL022 SSP controller (EXPERIMENTAL)"
+ depends on ARM_AMBA && EXPERIMENTAL
+ default y if MACH_U300
+ default y if ARCH_REALVIEW
+ default y if INTEGRATOR_IMPD1
+ default y if ARCH_VERSATILE
+ help
+ This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
+ controller. If you have an embedded system with an AMBA(R)
+ bus and a PL022 controller, say Y or M here.
+
+config SPI_PPC4xx
+ tristate "PPC4xx SPI Controller"
+ depends on PPC32 && 4xx && SPI_MASTER
+ select SPI_BITBANG
+ help
+ This selects a driver for the PPC4xx SPI Controller.
config SPI_PXA2XX
tristate "PXA2xx SSP SPI master"
- depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL
+ depends on ARCH_PXA && EXPERIMENTAL
+ select PXA_SSP
help
This enables using a PXA2xx SSP port as a SPI master controller.
The driver can be configured to use any SSP port and additional
config SPI_S3C24XX
tristate "Samsung S3C24XX series SPI"
- depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
+ depends on ARCH_S3C2410 && EXPERIMENTAL
select SPI_BITBANG
help
SPI driver for Samsung S3C24XX series ARM SoCs
config SPI_S3C24XX_GPIO
tristate "Samsung S3C24XX series SPI by GPIO"
- depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
+ depends on ARCH_S3C2410 && EXPERIMENTAL
select SPI_BITBANG
help
SPI driver for Samsung S3C24XX series ARM SoCs using
the inbuilt hardware cannot provide the transfer mode, or
where the board is using non hardware connected pins.
+config SPI_SH_SCI
+ tristate "SuperH SCI SPI controller"
+ depends on SUPERH
+ select SPI_BITBANG
+ help
+ SPI driver for SuperH SCI blocks.
+
+config SPI_STMP3XXX
+ tristate "Freescale STMP37xx/378x SPI/SSP controller"
+ depends on ARCH_STMP3XXX && SPI_MASTER
+ help
+ SPI driver for Freescale STMP37xx/378x SoC SSP interface
+
+config SPI_TXX9
+ tristate "Toshiba TXx9 SPI controller"
+ depends on GENERIC_GPIO && CPU_TX49XX
+ help
+ SPI driver for Toshiba TXx9 MIPS SoCs
+
config SPI_XILINX
tristate "Xilinx SPI controller"
- depends on SPI_MASTER && XILINX_VIRTEX && EXPERIMENTAL
+ depends on (XILINX_VIRTEX || MICROBLAZE) && EXPERIMENTAL
select SPI_BITBANG
help
This exposes the SPI controller IP from the Xilinx EDK.
# being probably the most widely used ones.
#
comment "SPI Protocol Masters"
- depends on SPI_MASTER
-
-config SPI_AT25
- tristate "SPI EEPROMs from most vendors"
- depends on SPI_MASTER && SYSFS
- help
- Enable this driver to get read/write support to most SPI EEPROMs,
- after you configure the board init code to know about each eeprom
- on your target board.
-
- This driver can also be built as a module. If so, the module
- will be called at25.
config SPI_SPIDEV
tristate "User mode SPI device driver support"
- depends on SPI_MASTER && EXPERIMENTAL
+ depends on EXPERIMENTAL
help
This supports user mode SPI protocol drivers.
config SPI_TLE62X0
tristate "Infineon TLE62X0 (for power switching)"
- depends on SPI_MASTER && SYSFS
+ depends on SYSFS
help
SPI driver for Infineon TLE62X0 series line driver chips,
such as the TLE6220, TLE6230 and TLE6240. This provides a
# Add new SPI protocol masters in alphabetical order above this line
#
-# (slave support would go here)
+endif # SPI_MASTER
-endmenu # "SPI support"
+# (slave support would go here)
+endif # SPI
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