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Linux/drivers/spi/Kconfig

  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 
 18           SPI is widely used by microcontrollers to talk with sensors,
 19           eeprom and flash memory, codecs and various other controller
 20           chips, analog to digital (and d-to-a) converters, and more.
 21           MMC and SD cards can be accessed using SPI protocol; and for
 22           DataFlash cards used in MMC sockets, SPI must always be used.
 23 
 24           SPI is one of a family of similar protocols using a four wire
 25           interface (select, clock, data in, data out) including Microwire
 26           (half duplex), SSP, SSI, and PSP.  This driver framework should
 27           work with most such devices and controllers.
 28 
 29 if SPI
 30 
 31 config SPI_DEBUG
 32         boolean "Debug support for SPI drivers"
 33         depends on DEBUG_KERNEL
 34         help
 35           Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
 36           sysfs, and debugfs support in SPI controller and protocol drivers.
 37 
 38 #
 39 # MASTER side ... talking to discrete SPI slave chips including microcontrollers
 40 #
 41 
 42 config SPI_MASTER
 43 #       boolean "SPI Master Support"
 44         boolean
 45         default SPI
 46         help
 47           If your system has an master-capable SPI controller (which
 48           provides the clock and chipselect), you can enable that
 49           controller and the protocol drivers for the SPI slave chips
 50           that are connected.
 51 
 52 if SPI_MASTER
 53 
 54 comment "SPI Master Controller Drivers"
 55 
 56 config SPI_ALTERA
 57         tristate "Altera SPI Controller"
 58         select SPI_BITBANG
 59         help
 60           This is the driver for the Altera SPI Controller.
 61 
 62 config SPI_ATH79
 63         tristate "Atheros AR71XX/AR724X/AR913X SPI controller driver"
 64         depends on ATH79 && GPIOLIB
 65         select SPI_BITBANG
 66         help
 67           This enables support for the SPI controller present on the
 68           Atheros AR71XX/AR724X/AR913X SoCs.
 69 
 70 config SPI_ATMEL
 71         tristate "Atmel SPI Controller"
 72         depends on HAS_DMA
 73         depends on (ARCH_AT91 || AVR32 || COMPILE_TEST)
 74         help
 75           This selects a driver for the Atmel SPI Controller, present on
 76           many AT32 (AVR32) and AT91 (ARM) chips.
 77 
 78 config SPI_BCM2835
 79         tristate "BCM2835 SPI controller"
 80         depends on ARCH_BCM2835 || COMPILE_TEST
 81         help
 82           This selects a driver for the Broadcom BCM2835 SPI master.
 83 
 84           The BCM2835 contains two types of SPI master controller; the
 85           "universal SPI master", and the regular SPI controller. This driver
 86           is for the regular SPI controller. Slave mode operation is not also
 87           not supported.
 88 
 89 config SPI_BFIN5XX
 90         tristate "SPI controller driver for ADI Blackfin5xx"
 91         depends on BLACKFIN && !BF60x
 92         help
 93           This is the SPI controller master driver for Blackfin 5xx processor.
 94 
 95 config SPI_ADI_V3
 96         tristate "SPI controller v3 for ADI"
 97         depends on BF60x
 98         help
 99           This is the SPI controller v3 master driver
100           found on Blackfin 60x processor.
101 
102 config SPI_BFIN_SPORT
103         tristate "SPI bus via Blackfin SPORT"
104         depends on BLACKFIN
105         help
106           Enable support for a SPI bus via the Blackfin SPORT peripheral.
107 
108 config SPI_AU1550
109         tristate "Au1550/Au1200/Au1300 SPI Controller"
110         depends on MIPS_ALCHEMY
111         select SPI_BITBANG
112         help
113           If you say yes to this option, support will be included for the
114           PSC SPI controller found on Au1550, Au1200 and Au1300 series.
115 
116 config SPI_BCM53XX
117         tristate "Broadcom BCM53xx SPI controller"
118         depends on ARCH_BCM_5301X
119         depends on BCMA_POSSIBLE
120         select BCMA
121         help
122           Enable support for the SPI controller on Broadcom BCM53xx ARM SoCs.
123 
124 config SPI_BCM63XX
125         tristate "Broadcom BCM63xx SPI controller"
126         depends on BCM63XX
127         help
128           Enable support for the SPI controller on the Broadcom BCM63xx SoCs.
129 
130 config SPI_BCM63XX_HSSPI
131         tristate "Broadcom BCM63XX HS SPI controller driver"
132         depends on BCM63XX || COMPILE_TEST
133         help
134           This enables support for the High Speed SPI controller present on
135           newer Broadcom BCM63XX SoCs.
136 
137 config SPI_BITBANG
138         tristate "Utilities for Bitbanging SPI masters"
139         help
140           With a few GPIO pins, your system can bitbang the SPI protocol.
141           Select this to get SPI support through I/O pins (GPIO, parallel
142           port, etc).  Or, some systems' SPI master controller drivers use
143           this code to manage the per-word or per-transfer accesses to the
144           hardware shift registers.
145 
146           This is library code, and is automatically selected by drivers that
147           need it.  You only need to select this explicitly to support driver
148           modules that aren't part of this kernel tree.
149 
150 config SPI_BUTTERFLY
151         tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
152         depends on PARPORT
153         select SPI_BITBANG
154         help
155           This uses a custom parallel port cable to connect to an AVR
156           Butterfly <http://www.atmel.com/products/avr/butterfly>, an
157           inexpensive battery powered microcontroller evaluation board.
158           This same cable can be used to flash new firmware.
159 
160 config SPI_CADENCE
161         tristate "Cadence SPI controller"
162         depends on ARM
163         help
164           This selects the Cadence SPI controller master driver
165           used by Xilinx Zynq.
166 
167 config SPI_CLPS711X
168         tristate "CLPS711X host SPI controller"
169         depends on ARCH_CLPS711X || COMPILE_TEST
170         help
171           This enables dedicated general purpose SPI/Microwire1-compatible
172           master mode interface (SSI1) for CLPS711X-based CPUs.
173 
174 config SPI_COLDFIRE_QSPI
175         tristate "Freescale Coldfire QSPI controller"
176         depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x)
177         help
178           This enables support for the Coldfire QSPI controller in master
179           mode.
180 
181 config SPI_DAVINCI
182         tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller"
183         depends on ARCH_DAVINCI || ARCH_KEYSTONE
184         select SPI_BITBANG
185         help
186           SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules.
187 
188 config SPI_EFM32
189         tristate "EFM32 SPI controller"
190         depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
191         select SPI_BITBANG
192         help
193           Driver for the spi controller found on Energy Micro's EFM32 SoCs.
194 
195 config SPI_EP93XX
196         tristate "Cirrus Logic EP93xx SPI controller"
197         depends on HAS_DMA
198         depends on ARCH_EP93XX || COMPILE_TEST
199         help
200           This enables using the Cirrus EP93xx SPI controller in master
201           mode.
202 
203 config SPI_FALCON
204         tristate "Falcon SPI controller support"
205         depends on SOC_FALCON
206         help
207           The external bus unit (EBU) found on the FALC-ON SoC has SPI
208           emulation that is designed for serial flash access. This driver
209           has only been tested with m25p80 type chips. The hardware has no
210           support for other types of SPI peripherals.
211 
212 config SPI_GPIO
213         tristate "GPIO-based bitbanging SPI Master"
214         depends on GPIOLIB
215         select SPI_BITBANG
216         help
217           This simple GPIO bitbanging SPI master uses the arch-neutral GPIO
218           interface to manage MOSI, MISO, SCK, and chipselect signals.  SPI
219           slaves connected to a bus using this driver are configured as usual,
220           except that the spi_board_info.controller_data holds the GPIO number
221           for the chipselect used by this controller driver.
222 
223           Note that this driver often won't achieve even 1 Mbit/sec speeds,
224           making it unusually slow for SPI.  If your platform can inline
225           GPIO operations, you should be able to leverage that for better
226           speed with a custom version of this driver; see the source code.
227 
228 config SPI_IMG_SPFI
229         tristate "IMG SPFI controller"
230         depends on MIPS || COMPILE_TEST
231         help
232           This enables support for the SPFI master controller found on
233           IMG SoCs.
234 
235 config SPI_IMX
236         tristate "Freescale i.MX SPI controllers"
237         depends on ARCH_MXC || COMPILE_TEST
238         select SPI_BITBANG
239         help
240           This enables using the Freescale i.MX SPI controllers in master
241           mode.
242 
243 config SPI_LM70_LLP
244         tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
245         depends on PARPORT
246         select SPI_BITBANG
247         help
248           This driver supports the NS LM70 LLP Evaluation Board,
249           which interfaces to an LM70 temperature sensor using
250           a parallel port.
251 
252 config SPI_MPC52xx
253         tristate "Freescale MPC52xx SPI (non-PSC) controller support"
254         depends on PPC_MPC52xx
255         help
256           This drivers supports the MPC52xx SPI controller in master SPI
257           mode.
258 
259 config SPI_MPC52xx_PSC
260         tristate "Freescale MPC52xx PSC SPI controller"
261         depends on PPC_MPC52xx
262         help
263           This enables using the Freescale MPC52xx Programmable Serial
264           Controller in master SPI mode.
265 
266 config SPI_MPC512x_PSC
267         tristate "Freescale MPC512x PSC SPI controller"
268         depends on PPC_MPC512x
269         help
270           This enables using the Freescale MPC5121 Programmable Serial
271           Controller in SPI master mode.
272 
273 config SPI_FSL_LIB
274         tristate
275         depends on OF
276 
277 config SPI_FSL_CPM
278         tristate
279         depends on FSL_SOC
280 
281 config SPI_FSL_SPI
282         bool "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller"
283         depends on OF
284         select SPI_FSL_LIB
285         select SPI_FSL_CPM if FSL_SOC
286         help
287           This enables using the Freescale SPI controllers in master mode.
288           MPC83xx platform uses the controller in cpu mode or CPM/QE mode.
289           MPC8569 uses the controller in QE mode, MPC8610 in cpu mode.
290           This also enables using the Aeroflex Gaisler GRLIB SPI controller in
291           master mode.
292 
293 config SPI_FSL_DSPI
294         tristate "Freescale DSPI controller"
295         select SPI_BITBANG
296         select REGMAP_MMIO
297         depends on SOC_VF610 || COMPILE_TEST
298         help
299           This enables support for the Freescale DSPI controller in master
300           mode. VF610 platform uses the controller.
301 
302 config SPI_FSL_ESPI
303         bool "Freescale eSPI controller"
304         depends on FSL_SOC
305         select SPI_FSL_LIB
306         help
307           This enables using the Freescale eSPI controllers in master mode.
308           From MPC8536, 85xx platform uses the controller, and all P10xx,
309           P20xx, P30xx,P40xx, P50xx uses this controller.
310 
311 config SPI_MESON_SPIFC
312         tristate "Amlogic Meson SPIFC controller"
313         depends on ARCH_MESON || COMPILE_TEST
314         select REGMAP_MMIO
315         help
316           This enables master mode support for the SPIFC (SPI flash
317           controller) available in Amlogic Meson SoCs.
318 
319 config SPI_OC_TINY
320         tristate "OpenCores tiny SPI"
321         depends on GPIOLIB
322         select SPI_BITBANG
323         help
324           This is the driver for OpenCores tiny SPI master controller.
325 
326 config SPI_OCTEON
327         tristate "Cavium OCTEON SPI controller"
328         depends on CAVIUM_OCTEON_SOC
329         help
330           SPI host driver for the hardware found on some Cavium OCTEON
331           SOCs.
332 
333 config SPI_OMAP_UWIRE
334         tristate "OMAP1 MicroWire"
335         depends on ARCH_OMAP1
336         select SPI_BITBANG
337         help
338           This hooks up to the MicroWire controller on OMAP1 chips.
339 
340 config SPI_OMAP24XX
341         tristate "McSPI driver for OMAP"
342         depends on HAS_DMA
343         depends on ARM || ARM64 || AVR32 || HEXAGON || MIPS || SUPERH
344         depends on ARCH_OMAP2PLUS || COMPILE_TEST
345         help
346           SPI master controller for OMAP24XX and later Multichannel SPI
347           (McSPI) modules.
348 
349 config SPI_TI_QSPI
350         tristate "DRA7xxx QSPI controller support"
351         depends on ARCH_OMAP2PLUS || COMPILE_TEST
352         help
353           QSPI master controller for DRA7xxx used for flash devices.
354           This device supports single, dual and quad read support, while
355           it only supports single write mode.
356 
357 config SPI_OMAP_100K
358         tristate "OMAP SPI 100K"
359         depends on ARCH_OMAP850 || ARCH_OMAP730 || COMPILE_TEST
360         help
361           OMAP SPI 100K master controller for omap7xx boards.
362 
363 config SPI_ORION
364         tristate "Orion SPI master"
365         depends on PLAT_ORION || COMPILE_TEST
366         help
367           This enables using the SPI master controller on the Orion chips.
368 
369 config SPI_PL022
370         tristate "ARM AMBA PL022 SSP controller"
371         depends on ARM_AMBA
372         default y if MACH_U300
373         default y if ARCH_REALVIEW
374         default y if INTEGRATOR_IMPD1
375         default y if ARCH_VERSATILE
376         help
377           This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
378           controller. If you have an embedded system with an AMBA(R)
379           bus and a PL022 controller, say Y or M here.
380 
381 config SPI_PPC4xx
382         tristate "PPC4xx SPI Controller"
383         depends on PPC32 && 4xx
384         select SPI_BITBANG
385         help
386           This selects a driver for the PPC4xx SPI Controller.
387 
388 config SPI_PXA2XX_PXADMA
389         bool "PXA2xx SSP legacy PXA DMA API support"
390         depends on SPI_PXA2XX && ARCH_PXA
391         help
392           Enable PXA private legacy DMA API support. Note that this is
393           deprecated in favor of generic DMA engine API.
394 
395 config SPI_PXA2XX_DMA
396         def_bool y
397         depends on SPI_PXA2XX && !SPI_PXA2XX_PXADMA
398 
399 config SPI_PXA2XX
400         tristate "PXA2xx SSP SPI master"
401         depends on (ARCH_PXA || PCI || ACPI)
402         select PXA_SSP if ARCH_PXA
403         help
404           This enables using a PXA2xx or Sodaville SSP port as a SPI master
405           controller. The driver can be configured to use any SSP port and
406           additional documentation can be found a Documentation/spi/pxa2xx.
407 
408 config SPI_PXA2XX_PCI
409         def_tristate SPI_PXA2XX && PCI && COMMON_CLK
410 
411 config SPI_ROCKCHIP
412         tristate "Rockchip SPI controller driver"
413         depends on ARM || ARM64 || AVR32 || HEXAGON || MIPS || SUPERH
414         help
415           This selects a driver for Rockchip SPI controller.
416 
417           If you say yes to this option, support will be included for
418           RK3066, RK3188 and RK3288 families of SPI controller.
419           Rockchip SPI controller support DMA transport and PIO mode.
420           The main usecase of this controller is to use spi flash as boot
421           device.
422 
423 config SPI_RSPI
424         tristate "Renesas RSPI/QSPI controller"
425         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
426         help
427           SPI driver for Renesas RSPI and QSPI blocks.
428 
429 config SPI_QUP
430         tristate "Qualcomm SPI controller with QUP interface"
431         depends on ARCH_QCOM || (ARM && COMPILE_TEST)
432         help
433           Qualcomm Universal Peripheral (QUP) core is an AHB slave that
434           provides a common data path (an output FIFO and an input FIFO)
435           for serial peripheral interface (SPI) mini-core. SPI in master
436           mode supports up to 50MHz, up to four chip selects, programmable
437           data path from 4 bits to 32 bits and numerous protocol variants.
438 
439           This driver can also be built as a module.  If so, the module
440           will be called spi_qup.
441 
442 config SPI_S3C24XX
443         tristate "Samsung S3C24XX series SPI"
444         depends on ARCH_S3C24XX
445         select SPI_BITBANG
446         help
447           SPI driver for Samsung S3C24XX series ARM SoCs
448 
449 config SPI_S3C24XX_FIQ
450         bool "S3C24XX driver with FIQ pseudo-DMA"
451         depends on SPI_S3C24XX
452         select FIQ
453         help
454           Enable FIQ support for the S3C24XX SPI driver to provide pseudo
455           DMA by using the fast-interrupt request framework, This allows
456           the driver to get DMA-like performance when there are either
457           no free DMA channels, or when doing transfers that required both
458           TX and RX data paths.
459 
460 config SPI_S3C64XX
461         tristate "Samsung S3C64XX series type SPI"
462         depends on (PLAT_SAMSUNG || ARCH_EXYNOS)
463         select S3C64XX_PL080 if ARCH_S3C64XX
464         help
465           SPI driver for Samsung S3C64XX and newer SoCs.
466 
467 config SPI_SC18IS602
468         tristate "NXP SC18IS602/602B/603 I2C to SPI bridge"
469         depends on I2C
470         help
471           SPI driver for NXP SC18IS602/602B/603 I2C to SPI bridge.
472 
473 config SPI_SH_MSIOF
474         tristate "SuperH MSIOF SPI controller"
475         depends on HAVE_CLK && HAS_DMA
476         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
477         help
478           SPI driver for SuperH and SH Mobile MSIOF blocks.
479 
480 config SPI_SH
481         tristate "SuperH SPI controller"
482         depends on SUPERH || COMPILE_TEST
483         help
484           SPI driver for SuperH SPI blocks.
485 
486 config SPI_SH_SCI
487         tristate "SuperH SCI SPI controller"
488         depends on SUPERH
489         select SPI_BITBANG
490         help
491           SPI driver for SuperH SCI blocks.
492 
493 config SPI_SH_HSPI
494         tristate "SuperH HSPI controller"
495         depends on ARCH_SHMOBILE || COMPILE_TEST
496         help
497           SPI driver for SuperH HSPI blocks.
498 
499 config SPI_SIRF
500         tristate "CSR SiRFprimaII SPI controller"
501         depends on SIRF_DMA
502         select SPI_BITBANG
503         help
504           SPI driver for CSR SiRFprimaII SoCs
505 
506 config SPI_SUN4I
507         tristate "Allwinner A10 SoCs SPI controller"
508         depends on ARCH_SUNXI || COMPILE_TEST
509         help
510           SPI driver for Allwinner sun4i, sun5i and sun7i SoCs
511 
512 config SPI_SUN6I
513         tristate "Allwinner A31 SPI controller"
514         depends on ARCH_SUNXI || COMPILE_TEST
515         depends on RESET_CONTROLLER
516         help
517           This enables using the SPI controller on the Allwinner A31 SoCs.
518 
519 config SPI_MXS
520         tristate "Freescale MXS SPI controller"
521         depends on ARCH_MXS
522         select STMP_DEVICE
523         help
524           SPI driver for Freescale MXS devices.
525 
526 config SPI_TEGRA114
527         tristate "NVIDIA Tegra114 SPI Controller"
528         depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST
529         depends on RESET_CONTROLLER && HAS_DMA
530         help
531           SPI driver for NVIDIA Tegra114 SPI Controller interface. This controller
532           is different than the older SoCs SPI controller and also register interface
533           get changed with this controller.
534 
535 config SPI_TEGRA20_SFLASH
536         tristate "Nvidia Tegra20 Serial flash Controller"
537         depends on ARCH_TEGRA || COMPILE_TEST
538         depends on RESET_CONTROLLER
539         help
540           SPI driver for Nvidia Tegra20 Serial flash Controller interface.
541           The main usecase of this controller is to use spi flash as boot
542           device.
543 
544 config SPI_TEGRA20_SLINK
545         tristate "Nvidia Tegra20/Tegra30 SLINK Controller"
546         depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST
547         depends on RESET_CONTROLLER && HAS_DMA
548         help
549           SPI driver for Nvidia Tegra20/Tegra30 SLINK Controller interface.
550 
551 config SPI_TOPCLIFF_PCH
552         tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) SPI"
553         depends on PCI && (X86_32 || COMPILE_TEST)
554         help
555           SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus
556           used in some x86 embedded processors.
557 
558           This driver also supports the ML7213/ML7223/ML7831, a companion chip
559           for the Atom E6xx series and compatible with the Intel EG20T PCH.
560 
561 config SPI_TXX9
562         tristate "Toshiba TXx9 SPI controller"
563         depends on GPIOLIB && (CPU_TX49XX || COMPILE_TEST)
564         help
565           SPI driver for Toshiba TXx9 MIPS SoCs
566 
567 config SPI_XCOMM
568         tristate "Analog Devices AD-FMCOMMS1-EBZ SPI-I2C-bridge driver"
569         depends on I2C
570         help
571           Support for the SPI-I2C bridge found on the Analog Devices
572           AD-FMCOMMS1-EBZ board.
573 
574 config SPI_XILINX
575         tristate "Xilinx SPI controller common module"
576         depends on HAS_IOMEM
577         select SPI_BITBANG
578         help
579           This exposes the SPI controller IP from the Xilinx EDK.
580 
581           See the "OPB Serial Peripheral Interface (SPI) (v1.00e)"
582           Product Specification document (DS464) for hardware details.
583 
584           Or for the DS570, see "XPS Serial Peripheral Interface (SPI) (v2.00b)"
585 
586 config SPI_XTENSA_XTFPGA
587         tristate "Xtensa SPI controller for xtfpga"
588         depends on (XTENSA && XTENSA_PLATFORM_XTFPGA) || COMPILE_TEST
589         select SPI_BITBANG
590         help
591           SPI driver for xtfpga SPI master controller.
592 
593           This simple SPI master controller is built into xtfpga bitstreams
594           and is used to control daughterboard audio codec. It always transfers
595           16 bit words in SPI mode 0, automatically asserting CS on transfer
596           start and deasserting on end.
597 
598 
599 config SPI_NUC900
600         tristate "Nuvoton NUC900 series SPI"
601         depends on ARCH_W90X900
602         select SPI_BITBANG
603         help
604           SPI driver for Nuvoton NUC900 series ARM SoCs
605 
606 #
607 # Add new SPI master controllers in alphabetical order above this line
608 #
609 
610 config SPI_DESIGNWARE
611         tristate "DesignWare SPI controller core support"
612         help
613           general driver for SPI controller core from DesignWare
614 
615 config SPI_DW_PCI
616         tristate "PCI interface driver for DW SPI core"
617         depends on SPI_DESIGNWARE && PCI
618 
619 config SPI_DW_MID_DMA
620         bool "DMA support for DW SPI controller on Intel MID platform"
621         depends on SPI_DW_PCI && INTEL_MID_DMAC
622 
623 config SPI_DW_MMIO
624         tristate "Memory-mapped io interface driver for DW SPI core"
625         depends on SPI_DESIGNWARE
626 
627 #
628 # There are lots of SPI device types, with sensors and memory
629 # being probably the most widely used ones.
630 #
631 comment "SPI Protocol Masters"
632 
633 config SPI_SPIDEV
634         tristate "User mode SPI device driver support"
635         help
636           This supports user mode SPI protocol drivers.
637 
638           Note that this application programming interface is EXPERIMENTAL
639           and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes.
640 
641 config SPI_TLE62X0
642         tristate "Infineon TLE62X0 (for power switching)"
643         depends on SYSFS
644         help
645           SPI driver for Infineon TLE62X0 series line driver chips,
646           such as the TLE6220, TLE6230 and TLE6240.  This provides a
647           sysfs interface, with each line presented as a kind of GPIO
648           exposing both switch control and diagnostic feedback.
649 
650 #
651 # Add new SPI protocol masters in alphabetical order above this line
652 #
653 
654 endif # SPI_MASTER
655 
656 # (slave support would go here)
657 
658 endif # SPI

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