X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fspi%2FKconfig;h=4b6f7cba3b3dc536d6e8480d5c2b1e14523bb329;hb=78c210efdefe07131f91ed512a3308b15bb14e2f;hp=9ce1d01469b19d3c93e61193bd8bce400b9206a8;hpb=e0c9905e87ac1bc56c9ea8f5b2934aeee53dce26;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 9ce1d01..4b6f7cb 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -5,10 +5,9 @@ # 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" - -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 @@ -16,7 +15,7 @@ config SPI controller and a chipselect. Most SPI slaves don't support dynamic device discovery; some are even write-only or read-only. - SPI is widely used by microcontollers to talk with sensors, + SPI is widely used by microcontrollers to talk with sensors, eeprom and flash memory, codecs and various other controller chips, analog to digital (and d-to-a) converters, and more. MMC and SD cards can be accessed using SPI protocol; and for @@ -27,9 +26,11 @@ config SPI (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. @@ -48,12 +49,36 @@ config SPI_MASTER 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) + 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 BLACKFIN + help + This is the SPI controller master driver for Blackfin 5xx processor. + +config SPI_AU1550 + tristate "Au1550/Au12x0 SPI Controller" + depends on (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL + select SPI_BITBANG + help + If you say yes to this option, support will be included for the + Au1550 SPI controller (may also work with Au1200,Au1210,Au1250). + + This driver can also be built as a module. If so, the module + 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 @@ -67,7 +92,7 @@ config SPI_BITBANG 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 @@ -75,33 +100,184 @@ config SPI_BUTTERFLY 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 i.MX SPI controllers" + depends on ARCH_MXC + select SPI_BITBANG + help + 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 PARPORT && EXPERIMENTAL + select SPI_BITBANG + help + This driver supports the NS LM70 LLP Evaluation Board, + which interfaces to an LM70 temperature sensor using + a parallel port. + +config SPI_MPC52xx_PSC + tristate "Freescale MPC52xx PSC SPI controller" + depends on PPC_MPC52xx && EXPERIMENTAL + help + This enables using the Freescale MPC52xx Programmable Serial + Controller in master SPI mode. + +config SPI_MPC8xxx + tristate "Freescale MPC8xxx SPI controller" + depends on FSL_SOC + help + This enables using the Freescale MPC8xxx SPI controllers in master + mode. + + 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 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 documentation can be found a Documentation/spi/pxa2xx. +config SPI_S3C24XX + tristate "Samsung S3C24XX series SPI" + 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 ARCH_S3C2410 && EXPERIMENTAL + select SPI_BITBANG + help + SPI driver for Samsung S3C24XX series ARM SoCs using + GPIO lines to provide the SPI bus. This can be used where + 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 (XILINX_VIRTEX || MICROBLAZE) && EXPERIMENTAL + select SPI_BITBANG + help + This exposes the SPI controller IP from the Xilinx EDK. + + See the "OPB Serial Peripheral Interface (SPI) (v1.00e)" + Product Specification document (DS464) for hardware details. + # # Add new SPI master controllers in alphabetical order above this line # - # # There are lots of SPI device types, with sensors and memory # being probably the most widely used ones. # comment "SPI Protocol Masters" - depends on SPI_MASTER +config SPI_SPIDEV + tristate "User mode SPI device driver support" + depends on EXPERIMENTAL + help + This supports user mode SPI protocol drivers. + + Note that this application programming interface is EXPERIMENTAL + and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes. + +config SPI_TLE62X0 + tristate "Infineon TLE62X0 (for power switching)" + depends on SYSFS + help + SPI driver for Infineon TLE62X0 series line driver chips, + such as the TLE6220, TLE6230 and TLE6240. This provides a + sysfs interface, with each line presented as a kind of GPIO + exposing both switch control and diagnostic feedback. # # Add new SPI protocol masters in alphabetical order above this line # +endif # SPI_MASTER # (slave support would go here) -endmenu # "SPI support" - +endif # SPI