Kconfig 9.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298
  1. #
  2. # SPI driver configuration
  3. #
  4. # NOTE: the reason this doesn't show SPI slave support is mostly that
  5. # nobody's needed a slave side API yet. The master-role API is not
  6. # fully appropriate there, so it'd need some thought to do well.
  7. #
  8. menuconfig SPI
  9. bool "SPI support"
  10. depends on HAS_IOMEM
  11. help
  12. The "Serial Peripheral Interface" is a low level synchronous
  13. protocol. Chips that support SPI can have data transfer rates
  14. up to several tens of Mbit/sec. Chips are addressed with a
  15. controller and a chipselect. Most SPI slaves don't support
  16. dynamic device discovery; some are even write-only or read-only.
  17. SPI is widely used by microcontrollers to talk with sensors,
  18. eeprom and flash memory, codecs and various other controller
  19. chips, analog to digital (and d-to-a) converters, and more.
  20. MMC and SD cards can be accessed using SPI protocol; and for
  21. DataFlash cards used in MMC sockets, SPI must always be used.
  22. SPI is one of a family of similar protocols using a four wire
  23. interface (select, clock, data in, data out) including Microwire
  24. (half duplex), SSP, SSI, and PSP. This driver framework should
  25. work with most such devices and controllers.
  26. if SPI
  27. config SPI_DEBUG
  28. boolean "Debug support for SPI drivers"
  29. depends on DEBUG_KERNEL
  30. help
  31. Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
  32. sysfs, and debugfs support in SPI controller and protocol drivers.
  33. #
  34. # MASTER side ... talking to discrete SPI slave chips including microcontrollers
  35. #
  36. config SPI_MASTER
  37. # boolean "SPI Master Support"
  38. boolean
  39. default SPI
  40. help
  41. If your system has an master-capable SPI controller (which
  42. provides the clock and chipselect), you can enable that
  43. controller and the protocol drivers for the SPI slave chips
  44. that are connected.
  45. if SPI_MASTER
  46. comment "SPI Master Controller Drivers"
  47. config SPI_ATMEL
  48. tristate "Atmel SPI Controller"
  49. depends on (ARCH_AT91 || AVR32)
  50. help
  51. This selects a driver for the Atmel SPI Controller, present on
  52. many AT32 (AVR32) and AT91 (ARM) chips.
  53. config SPI_BFIN
  54. tristate "SPI controller driver for ADI Blackfin5xx"
  55. depends on BLACKFIN
  56. help
  57. This is the SPI controller master driver for Blackfin 5xx processor.
  58. config SPI_AU1550
  59. tristate "Au1550/Au12x0 SPI Controller"
  60. depends on (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
  61. select SPI_BITBANG
  62. help
  63. If you say yes to this option, support will be included for the
  64. Au1550 SPI controller (may also work with Au1200,Au1210,Au1250).
  65. This driver can also be built as a module. If so, the module
  66. will be called au1550_spi.
  67. config SPI_BITBANG
  68. tristate "Utilities for Bitbanging SPI masters"
  69. help
  70. With a few GPIO pins, your system can bitbang the SPI protocol.
  71. Select this to get SPI support through I/O pins (GPIO, parallel
  72. port, etc). Or, some systems' SPI master controller drivers use
  73. this code to manage the per-word or per-transfer accesses to the
  74. hardware shift registers.
  75. This is library code, and is automatically selected by drivers that
  76. need it. You only need to select this explicitly to support driver
  77. modules that aren't part of this kernel tree.
  78. config SPI_BUTTERFLY
  79. tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
  80. depends on PARPORT
  81. select SPI_BITBANG
  82. help
  83. This uses a custom parallel port cable to connect to an AVR
  84. Butterfly <http://www.atmel.com/products/avr/butterfly>, an
  85. inexpensive battery powered microcontroller evaluation board.
  86. This same cable can be used to flash new firmware.
  87. config SPI_GPIO
  88. tristate "GPIO-based bitbanging SPI Master"
  89. depends on GENERIC_GPIO
  90. select SPI_BITBANG
  91. help
  92. This simple GPIO bitbanging SPI master uses the arch-neutral GPIO
  93. interface to manage MOSI, MISO, SCK, and chipselect signals. SPI
  94. slaves connected to a bus using this driver are configured as usual,
  95. except that the spi_board_info.controller_data holds the GPIO number
  96. for the chipselect used by this controller driver.
  97. Note that this driver often won't achieve even 1 Mbit/sec speeds,
  98. making it unusually slow for SPI. If your platform can inline
  99. GPIO operations, you should be able to leverage that for better
  100. speed with a custom version of this driver; see the source code.
  101. config SPI_IMX
  102. tristate "Freescale i.MX SPI controllers"
  103. depends on ARCH_MXC
  104. select SPI_BITBANG
  105. help
  106. This enables using the Freescale i.MX SPI controllers in master
  107. mode.
  108. config SPI_LM70_LLP
  109. tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
  110. depends on PARPORT && EXPERIMENTAL
  111. select SPI_BITBANG
  112. help
  113. This driver supports the NS LM70 LLP Evaluation Board,
  114. which interfaces to an LM70 temperature sensor using
  115. a parallel port.
  116. config SPI_MPC52xx
  117. tristate "Freescale MPC52xx SPI (non-PSC) controller support"
  118. depends on PPC_MPC52xx && SPI
  119. select SPI_MASTER_OF
  120. help
  121. This drivers supports the MPC52xx SPI controller in master SPI
  122. mode.
  123. config SPI_MPC52xx_PSC
  124. tristate "Freescale MPC52xx PSC SPI controller"
  125. depends on PPC_MPC52xx && EXPERIMENTAL
  126. help
  127. This enables using the Freescale MPC52xx Programmable Serial
  128. Controller in master SPI mode.
  129. config SPI_MPC8xxx
  130. tristate "Freescale MPC8xxx SPI controller"
  131. depends on FSL_SOC
  132. help
  133. This enables using the Freescale MPC8xxx SPI controllers in master
  134. mode.
  135. This driver uses a simple set of shift registers for data (opposed
  136. to the CPM based descriptor model).
  137. config SPI_OMAP_UWIRE
  138. tristate "OMAP1 MicroWire"
  139. depends on ARCH_OMAP1
  140. select SPI_BITBANG
  141. help
  142. This hooks up to the MicroWire controller on OMAP1 chips.
  143. config SPI_OMAP24XX
  144. tristate "McSPI driver for OMAP24xx/OMAP34xx"
  145. depends on ARCH_OMAP24XX || ARCH_OMAP34XX
  146. help
  147. SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
  148. (McSPI) modules.
  149. config SPI_ORION
  150. tristate "Orion SPI master (EXPERIMENTAL)"
  151. depends on PLAT_ORION && EXPERIMENTAL
  152. help
  153. This enables using the SPI master controller on the Orion chips.
  154. config SPI_PL022
  155. tristate "ARM AMBA PL022 SSP controller (EXPERIMENTAL)"
  156. depends on ARM_AMBA && EXPERIMENTAL
  157. default y if MACH_U300
  158. default y if ARCH_REALVIEW
  159. default y if INTEGRATOR_IMPD1
  160. default y if ARCH_VERSATILE
  161. help
  162. This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
  163. controller. If you have an embedded system with an AMBA(R)
  164. bus and a PL022 controller, say Y or M here.
  165. config SPI_PPC4xx
  166. tristate "PPC4xx SPI Controller"
  167. depends on PPC32 && 4xx && SPI_MASTER
  168. select SPI_BITBANG
  169. help
  170. This selects a driver for the PPC4xx SPI Controller.
  171. config SPI_PXA2XX
  172. tristate "PXA2xx SSP SPI master"
  173. depends on ARCH_PXA && EXPERIMENTAL
  174. select PXA_SSP
  175. help
  176. This enables using a PXA2xx SSP port as a SPI master controller.
  177. The driver can be configured to use any SSP port and additional
  178. documentation can be found a Documentation/spi/pxa2xx.
  179. config SPI_S3C24XX
  180. tristate "Samsung S3C24XX series SPI"
  181. depends on ARCH_S3C2410 && EXPERIMENTAL
  182. select SPI_BITBANG
  183. help
  184. SPI driver for Samsung S3C24XX series ARM SoCs
  185. config SPI_S3C24XX_GPIO
  186. tristate "Samsung S3C24XX series SPI by GPIO"
  187. depends on ARCH_S3C2410 && EXPERIMENTAL
  188. select SPI_BITBANG
  189. help
  190. SPI driver for Samsung S3C24XX series ARM SoCs using
  191. GPIO lines to provide the SPI bus. This can be used where
  192. the inbuilt hardware cannot provide the transfer mode, or
  193. where the board is using non hardware connected pins.
  194. config SPI_SH_SCI
  195. tristate "SuperH SCI SPI controller"
  196. depends on SUPERH
  197. select SPI_BITBANG
  198. help
  199. SPI driver for SuperH SCI blocks.
  200. config SPI_STMP3XXX
  201. tristate "Freescale STMP37xx/378x SPI/SSP controller"
  202. depends on ARCH_STMP3XXX && SPI_MASTER
  203. help
  204. SPI driver for Freescale STMP37xx/378x SoC SSP interface
  205. config SPI_TXX9
  206. tristate "Toshiba TXx9 SPI controller"
  207. depends on GENERIC_GPIO && CPU_TX49XX
  208. help
  209. SPI driver for Toshiba TXx9 MIPS SoCs
  210. config SPI_XILINX
  211. tristate "Xilinx SPI controller"
  212. depends on EXPERIMENTAL
  213. select SPI_BITBANG
  214. select SPI_XILINX_OF if (XILINX_VIRTEX || MICROBLAZE)
  215. help
  216. This exposes the SPI controller IP from the Xilinx EDK.
  217. See the "OPB Serial Peripheral Interface (SPI) (v1.00e)"
  218. Product Specification document (DS464) for hardware details.
  219. config SPI_XILINX_OF
  220. tristate "Xilinx SPI controller OF device"
  221. depends on SPI_XILINX && (XILINX_VIRTEX || MICROBLAZE)
  222. help
  223. This is the OF driver for the SPI controller IP from the Xilinx EDK.
  224. #
  225. # Add new SPI master controllers in alphabetical order above this line
  226. #
  227. #
  228. # There are lots of SPI device types, with sensors and memory
  229. # being probably the most widely used ones.
  230. #
  231. comment "SPI Protocol Masters"
  232. config SPI_SPIDEV
  233. tristate "User mode SPI device driver support"
  234. depends on EXPERIMENTAL
  235. help
  236. This supports user mode SPI protocol drivers.
  237. Note that this application programming interface is EXPERIMENTAL
  238. and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes.
  239. config SPI_TLE62X0
  240. tristate "Infineon TLE62X0 (for power switching)"
  241. depends on SYSFS
  242. help
  243. SPI driver for Infineon TLE62X0 series line driver chips,
  244. such as the TLE6220, TLE6230 and TLE6240. This provides a
  245. sysfs interface, with each line presented as a kind of GPIO
  246. exposing both switch control and diagnostic feedback.
  247. #
  248. # Add new SPI protocol masters in alphabetical order above this line
  249. #
  250. endif # SPI_MASTER
  251. # (slave support would go here)
  252. endif # SPI