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Linux/drivers/mmc/host/Kconfig

  1 #
  2 # MMC/SD host controller drivers
  3 #
  4 
  5 comment "MMC/SD/SDIO Host Controller Drivers"
  6 
  7 config MMC_ARMMMCI
  8         tristate "ARM AMBA Multimedia Card Interface support"
  9         depends on ARM_AMBA
 10         help
 11           This selects the ARM(R) AMBA(R) PrimeCell Multimedia Card
 12           Interface (PL180 and PL181) support.  If you have an ARM(R)
 13           platform with a Multimedia Card slot, say Y or M here.
 14 
 15           If unsure, say N.
 16 
 17 config MMC_PXA
 18         tristate "Intel PXA25x/26x/27x Multimedia Card Interface support"
 19         depends on ARCH_PXA
 20         help
 21           This selects the Intel(R) PXA(R) Multimedia card Interface.
 22           If you have a PXA(R) platform with a Multimedia Card slot,
 23           say Y or M here.
 24 
 25           If unsure, say N.
 26 
 27 config MMC_SDHCI
 28         tristate "Secure Digital Host Controller Interface support"
 29         depends on HAS_DMA
 30         help
 31           This selects the generic Secure Digital Host Controller Interface.
 32           It is used by manufacturers such as Texas Instruments(R), Ricoh(R)
 33           and Toshiba(R). Most controllers found in laptops are of this type.
 34 
 35           If you have a controller with this interface, say Y or M here. You
 36           also need to enable an appropriate bus interface.
 37 
 38           If unsure, say N.
 39 
 40 config MMC_SDHCI_IO_ACCESSORS
 41         bool
 42         depends on MMC_SDHCI
 43         help
 44           This is silent Kconfig symbol that is selected by the drivers that
 45           need to overwrite SDHCI IO memory accessors.
 46 
 47 config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
 48         bool
 49         select MMC_SDHCI_IO_ACCESSORS
 50         help
 51           This option is selected by drivers running on big endian hosts
 52           and performing I/O to a SDHCI controller through a bus that
 53           implements a hardware byte swapper using a 32-bit datum.
 54           This endian mapping mode is called "data invariance" and
 55           has the effect of scrambling the addresses and formats of data
 56           accessed in sizes other than the datum size.
 57 
 58           This is the case for the Freescale eSDHC and Nintendo Wii SDHCI.
 59 
 60 config MMC_SDHCI_PCI
 61         tristate "SDHCI support on PCI bus"
 62         depends on MMC_SDHCI && PCI
 63         help
 64           This selects the PCI Secure Digital Host Controller Interface.
 65           Most controllers found today are PCI devices.
 66 
 67           If you have a controller with this interface, say Y or M here.
 68 
 69           If unsure, say N.
 70 
 71 config MMC_RICOH_MMC
 72         bool "Ricoh MMC Controller Disabler"
 73         depends on MMC_SDHCI_PCI
 74         help
 75           This adds a pci quirk to disable Ricoh MMC Controller. This
 76           proprietary controller is unnecessary because the SDHCI driver
 77           supports MMC cards on the SD controller, but if it is not
 78           disabled, it will steal the MMC cards away - rendering them
 79           useless. It is safe to select this even if you don't
 80           have a Ricoh based card reader.
 81 
 82           If unsure, say Y.
 83 
 84 config MMC_SDHCI_ACPI
 85         tristate "SDHCI support for ACPI enumerated SDHCI controllers"
 86         depends on MMC_SDHCI && ACPI
 87         help
 88           This selects support for ACPI enumerated SDHCI controllers,
 89           identified by ACPI Compatibility ID PNP0D40 or specific
 90           ACPI Hardware IDs.
 91 
 92           If you have a controller with this interface, say Y or M here.
 93 
 94           If unsure, say N.
 95 
 96 config MMC_SDHCI_PLTFM
 97         tristate "SDHCI platform and OF driver helper"
 98         depends on MMC_SDHCI
 99         help
100           This selects the common helper functions support for Secure Digital
101           Host Controller Interface based platform and OF drivers.
102 
103           If you have a controller with this interface, say Y or M here.
104 
105           If unsure, say N.
106 
107 config MMC_SDHCI_OF_ARASAN
108         tristate "SDHCI OF support for the Arasan SDHCI controllers"
109         depends on MMC_SDHCI_PLTFM
110         depends on OF
111         help
112           This selects the Arasan Secure Digital Host Controller Interface
113           (SDHCI). This hardware is found e.g. in Xilinx' Zynq SoC.
114 
115           If you have a controller with this interface, say Y or M here.
116 
117           If unsure, say N.
118 
119 config MMC_SDHCI_OF_ESDHC
120         tristate "SDHCI OF support for the Freescale eSDHC controller"
121         depends on MMC_SDHCI_PLTFM
122         depends on PPC_OF
123         select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
124         help
125           This selects the Freescale eSDHC controller support.
126 
127           If you have a controller with this interface, say Y or M here.
128 
129           If unsure, say N.
130 
131 config MMC_SDHCI_OF_HLWD
132         tristate "SDHCI OF support for the Nintendo Wii SDHCI controllers"
133         depends on MMC_SDHCI_PLTFM
134         depends on PPC_OF
135         select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
136         help
137           This selects the Secure Digital Host Controller Interface (SDHCI)
138           found in the "Hollywood" chipset of the Nintendo Wii video game
139           console.
140 
141           If you have a controller with this interface, say Y or M here.
142 
143           If unsure, say N.
144 
145 config MMC_SDHCI_CNS3XXX
146         tristate "SDHCI support on the Cavium Networks CNS3xxx SoC"
147         depends on ARCH_CNS3XXX
148         depends on MMC_SDHCI_PLTFM
149         help
150           This selects the SDHCI support for CNS3xxx System-on-Chip devices.
151 
152           If you have a controller with this interface, say Y or M here.
153 
154           If unsure, say N.
155 
156 config MMC_SDHCI_ESDHC_IMX
157         tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller"
158         depends on ARCH_MXC
159         depends on MMC_SDHCI_PLTFM
160         select MMC_SDHCI_IO_ACCESSORS
161         help
162           This selects the Freescale eSDHC/uSDHC controller support
163           found on i.MX25, i.MX35 i.MX5x and i.MX6x.
164 
165           If you have a controller with this interface, say Y or M here.
166 
167           If unsure, say N.
168 
169 config MMC_SDHCI_DOVE
170         tristate "SDHCI support on Marvell's Dove SoC"
171         depends on ARCH_DOVE
172         depends on MMC_SDHCI_PLTFM
173         select MMC_SDHCI_IO_ACCESSORS
174         help
175           This selects the Secure Digital Host Controller Interface in
176           Marvell's Dove SoC.
177 
178           If you have a controller with this interface, say Y or M here.
179 
180           If unsure, say N.
181 
182 config MMC_SDHCI_TEGRA
183         tristate "SDHCI platform support for the Tegra SD/MMC Controller"
184         depends on ARCH_TEGRA
185         depends on MMC_SDHCI_PLTFM
186         select MMC_SDHCI_IO_ACCESSORS
187         help
188           This selects the Tegra SD/MMC controller. If you have a Tegra
189           platform with SD or MMC devices, say Y or M here.
190 
191           If unsure, say N.
192 
193 config MMC_SDHCI_S3C
194         tristate "SDHCI support on Samsung S3C SoC"
195         depends on MMC_SDHCI && PLAT_SAMSUNG
196         help
197           This selects the Secure Digital Host Controller Interface (SDHCI)
198           often referrered to as the HSMMC block in some of the Samsung S3C
199           range of SoC.
200 
201           If you have a controller with this interface, say Y or M here.
202 
203           If unsure, say N.
204 
205 config MMC_SDHCI_SIRF
206         tristate "SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs"
207         depends on ARCH_SIRF
208         depends on MMC_SDHCI_PLTFM
209         help
210           This selects the SDHCI support for SiRF System-on-Chip devices.
211 
212           If you have a controller with this interface, say Y or M here.
213 
214           If unsure, say N.
215 
216 config MMC_SDHCI_PXAV3
217         tristate "Marvell MMP2 SD Host Controller support (PXAV3)"
218         depends on CLKDEV_LOOKUP
219         select MMC_SDHCI
220         select MMC_SDHCI_PLTFM
221         default CPU_MMP2
222         help
223           This selects the Marvell(R) PXAV3 SD Host Controller.
224           If you have a MMP2 platform with SD Host Controller
225           and a card slot, say Y or M here.
226 
227           If unsure, say N.
228 
229 config MMC_SDHCI_PXAV2
230         tristate "Marvell PXA9XX SD Host Controller support (PXAV2)"
231         depends on CLKDEV_LOOKUP
232         select MMC_SDHCI
233         select MMC_SDHCI_PLTFM
234         default CPU_PXA910
235         help
236           This selects the Marvell(R) PXAV2 SD Host Controller.
237           If you have a PXA9XX platform with SD Host Controller
238           and a card slot, say Y or M here.
239 
240           If unsure, say N.
241 
242 config MMC_SDHCI_SPEAR
243         tristate "SDHCI support on ST SPEAr platform"
244         depends on MMC_SDHCI && PLAT_SPEAR
245         help
246           This selects the Secure Digital Host Controller Interface (SDHCI)
247           often referrered to as the HSMMC block in some of the ST SPEAR range
248           of SoC
249 
250           If you have a controller with this interface, say Y or M here.
251 
252           If unsure, say N.
253 
254 config MMC_SDHCI_S3C_DMA
255         bool "DMA support on S3C SDHCI"
256         depends on MMC_SDHCI_S3C
257         help
258           Enable DMA support on the Samsung S3C SDHCI glue. The DMA
259           has proved to be problematic if the controller encounters
260           certain errors, and thus should be treated with care.
261 
262           YMMV.
263 
264 config MMC_SDHCI_BCM_KONA
265         tristate "SDHCI support on Broadcom KONA platform"
266         depends on ARCH_BCM
267         select MMC_SDHCI_PLTFM
268         help
269           This selects the Broadcom Kona Secure Digital Host Controller
270           Interface(SDHCI) support.
271           This is used in Broadcom mobile SoCs.
272 
273           If you have a controller with this interface, say Y or M here.
274 
275 config MMC_SDHCI_BCM2835
276         tristate "SDHCI platform support for the BCM2835 SD/MMC Controller"
277         depends on ARCH_BCM2835
278         depends on MMC_SDHCI_PLTFM
279         select MMC_SDHCI_IO_ACCESSORS
280         help
281           This selects the BCM2835 SD/MMC controller. If you have a BCM2835
282           platform with SD or MMC devices, say Y or M here.
283 
284           If unsure, say N.
285 
286 config MMC_OMAP
287         tristate "TI OMAP Multimedia Card Interface support"
288         depends on ARCH_OMAP
289         select TPS65010 if MACH_OMAP_H2
290         help
291           This selects the TI OMAP Multimedia card Interface.
292           If you have an OMAP board with a Multimedia Card slot,
293           say Y or M here.
294 
295           If unsure, say N.
296 
297 config MMC_OMAP_HS
298         tristate "TI OMAP High Speed Multimedia Card Interface support"
299         depends on ARCH_OMAP2PLUS || COMPILE_TEST
300         help
301           This selects the TI OMAP High Speed Multimedia card Interface.
302           If you have an omap2plus board with a Multimedia Card slot,
303           say Y or M here.
304 
305           If unsure, say N.
306 
307 config MMC_WBSD
308         tristate "Winbond W83L51xD SD/MMC Card Interface support"
309         depends on ISA_DMA_API
310         help
311           This selects the Winbond(R) W83L51xD Secure digital and
312           Multimedia card Interface.
313           If you have a machine with a integrated W83L518D or W83L519D
314           SD/MMC card reader, say Y or M here.
315 
316           If unsure, say N.
317 
318 config MMC_AU1X
319         tristate "Alchemy AU1XX0 MMC Card Interface support"
320         depends on MIPS_ALCHEMY
321         help
322           This selects the AMD Alchemy(R) Multimedia card interface.
323           If you have a Alchemy platform with a MMC slot, say Y or M here.
324 
325           If unsure, say N.
326 
327 config MMC_ATMELMCI
328         tristate "Atmel SD/MMC Driver (Multimedia Card Interface)"
329         depends on AVR32 || ARCH_AT91
330         help
331           This selects the Atmel Multimedia Card Interface driver. If
332           you have an AT32 (AVR32) or AT91 platform with a Multimedia
333           Card slot, say Y or M here.
334 
335           If unsure, say N.
336 
337 config MMC_MSM
338         tristate "Qualcomm SDCC Controller Support"
339         depends on MMC && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)
340         help
341           This provides support for the SD/MMC cell found in the
342           MSM and QSD SOCs from Qualcomm. The controller also has
343           support for SDIO devices.
344 
345 config MMC_MXC
346         tristate "Freescale i.MX21/27/31 or MPC512x Multimedia Card support"
347         depends on ARCH_MXC || PPC_MPC512x
348         help
349           This selects the Freescale i.MX21, i.MX27, i.MX31 or MPC512x
350           Multimedia Card Interface. If you have an i.MX or MPC512x platform
351           with a Multimedia Card slot, say Y or M here.
352 
353           If unsure, say N.
354 
355 config MMC_MXS
356         tristate "Freescale MXS Multimedia Card Interface support"
357         depends on ARCH_MXS && MXS_DMA
358         help
359           This selects the Freescale SSP MMC controller found on MXS based
360           platforms like mx23/28.
361 
362           If unsure, say N.
363 
364 config MMC_TIFM_SD
365         tristate "TI Flash Media MMC/SD Interface support"
366         depends on PCI
367         select TIFM_CORE
368         help
369           Say Y here if you want to be able to access MMC/SD cards with
370           the Texas Instruments(R) Flash Media card reader, found in many
371           laptops.
372           This option 'selects' (turns on, enables) 'TIFM_CORE', but you
373           probably also need appropriate card reader host adapter, such as
374           'Misc devices: TI Flash Media PCI74xx/PCI76xx host adapter support
375           (TIFM_7XX1)'.
376 
377           To compile this driver as a module, choose M here: the
378           module will be called tifm_sd.
379 
380 config MMC_MVSDIO
381         tristate "Marvell MMC/SD/SDIO host driver"
382         depends on PLAT_ORION
383         ---help---
384           This selects the Marvell SDIO host driver.
385           SDIO may currently be found on the Kirkwood 88F6281 and 88F6192
386           SoC controllers.
387 
388           To compile this driver as a module, choose M here: the
389           module will be called mvsdio.
390 
391 config MMC_DAVINCI
392         tristate "TI DAVINCI Multimedia Card Interface support"
393         depends on ARCH_DAVINCI
394         help
395           This selects the TI DAVINCI Multimedia card Interface.
396           If you have an DAVINCI board with a Multimedia Card slot,
397           say Y or M here.  If unsure, say N.
398 
399 config MMC_GOLDFISH
400         tristate "goldfish qemu Multimedia Card Interface support"
401         depends on GOLDFISH
402         help
403           This selects the Goldfish Multimedia card Interface emulation
404           found on the Goldfish Android virtual device emulation.
405 
406 config MMC_SPI
407         tristate "MMC/SD/SDIO over SPI"
408         depends on SPI_MASTER && !HIGHMEM && HAS_DMA
409         select CRC7
410         select CRC_ITU_T
411         help
412           Some systems access MMC/SD/SDIO cards using a SPI controller
413           instead of using a "native" MMC/SD/SDIO controller.  This has a
414           disadvantage of being relatively high overhead, but a compensating
415           advantage of working on many systems without dedicated MMC/SD/SDIO
416           controllers.
417 
418           If unsure, or if your system has no SPI master driver, say N.
419 
420 config MMC_S3C
421         tristate "Samsung S3C SD/MMC Card Interface support"
422         depends on ARCH_S3C24XX
423         help
424           This selects a driver for the MCI interface found in
425           Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs.
426           If you have a board based on one of those and a MMC/SD
427           slot, say Y or M here.
428 
429           If unsure, say N.
430 
431 config MMC_S3C_HW_SDIO_IRQ
432        bool "Hardware support for SDIO IRQ"
433        depends on MMC_S3C
434        help
435          Enable the hardware support for SDIO interrupts instead of using
436          the generic polling code.
437 
438 choice
439         prompt "Samsung S3C SD/MMC transfer code"
440         depends on MMC_S3C
441 
442 config MMC_S3C_PIO
443         bool "Use PIO transfers only"
444         help
445           Use PIO to transfer data between memory and the hardware.
446 
447           PIO is slower than DMA as it requires CPU instructions to
448           move the data. This has been the traditional default for
449           the S3C MCI driver.
450 
451 config MMC_S3C_DMA
452         bool "Use DMA transfers only"
453         help
454           Use DMA to transfer data between memory and the hardare.
455 
456           Currently, the DMA support in this driver seems to not be
457           working properly and needs to be debugged before this
458           option is useful.
459 
460 config MMC_S3C_PIODMA
461         bool "Support for both PIO and DMA"
462         help
463           Compile both the PIO and DMA transfer routines into the
464           driver and let the platform select at run-time which one
465           is best.
466 
467           See notes for the DMA option.
468 
469 endchoice
470 
471 config MMC_SDRICOH_CS
472         tristate "MMC/SD driver for Ricoh Bay1Controllers"
473         depends on PCI && PCMCIA
474         help
475           Say Y here if your Notebook reports a Ricoh Bay1Controller PCMCIA
476           card whenever you insert a MMC or SD card into the card slot.
477 
478           To compile this driver as a module, choose M here: the
479           module will be called sdricoh_cs.
480 
481 config MMC_TMIO_CORE
482         tristate
483 
484 config MMC_TMIO
485         tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
486         depends on MFD_TMIO || MFD_ASIC3
487         select MMC_TMIO_CORE
488         help
489           This provides support for the SD/MMC cell found in TC6393XB,
490           T7L66XB and also HTC ASIC3
491 
492 config MMC_SDHI
493         tristate "SH-Mobile SDHI SD/SDIO controller support"
494         depends on SUPERH || ARM
495         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
496         select MMC_TMIO_CORE
497         help
498           This provides support for the SDHI SD/SDIO controller found in
499           SuperH and ARM SH-Mobile SoCs
500 
501 config MMC_CB710
502         tristate "ENE CB710 MMC/SD Interface support"
503         depends on PCI
504         select CB710_CORE
505         help
506           This option enables support for MMC/SD part of ENE CB710/720 Flash
507           memory card reader found in some laptops (ie. some versions of
508           HP Compaq nx9500).
509 
510           This driver can also be built as a module. If so, the module
511           will be called cb710-mmc.
512 
513 config MMC_VIA_SDMMC
514         tristate "VIA SD/MMC Card Reader Driver"
515         depends on PCI
516         help
517           This selects the VIA SD/MMC Card Reader driver, say Y or M here.
518           VIA provides one multi-functional card reader which integrated into
519           some motherboards manufactured by VIA. This card reader supports
520           SD/MMC/SDHC.
521           If you have a controller with this interface, say Y or M here.
522 
523           If unsure, say N.
524 
525 config SDH_BFIN
526         tristate "Blackfin Secure Digital Host support"
527         depends on (BF54x && !BF544) || (BF51x && !BF512)
528         help
529           If you say yes here you will get support for the Blackfin on-chip
530           Secure Digital Host interface.  This includes support for MMC and
531           SD cards.
532 
533           To compile this driver as a module, choose M here: the
534           module will be called bfin_sdh.
535 
536           If unsure, say N.
537 
538 config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
539         bool "Blackfin EZkit Missing SDH_CMD Pull Up Resistor Workaround"
540         depends on SDH_BFIN
541         help
542           If you say yes here SD-Cards may work on the EZkit.
543 
544 config MMC_DW
545         tristate "Synopsys DesignWare Memory Card Interface"
546         depends on ARC || ARM
547         help
548           This selects support for the Synopsys DesignWare Mobile Storage IP
549           block, this provides host support for SD and MMC interfaces, in both
550           PIO and external DMA modes.
551 
552 config MMC_DW_IDMAC
553         bool "Internal DMAC interface"
554         depends on MMC_DW
555         help
556           This selects support for the internal DMAC block within the Synopsys
557           Designware Mobile Storage IP block. This disables the external DMA
558           interface.
559 
560 config MMC_DW_PLTFM
561         tristate "Synopsys Designware MCI Support as platform device"
562         depends on MMC_DW
563         default y
564         help
565           This selects the common helper functions support for Host Controller
566           Interface based platform driver. Please select this option if the IP
567           is present as a platform device. This is the common interface for the
568           Synopsys Designware IP.
569 
570           If you have a controller with this interface, say Y or M here.
571 
572           If unsure, say Y.
573 
574 config MMC_DW_EXYNOS
575         tristate "Exynos specific extensions for Synopsys DW Memory Card Interface"
576         depends on MMC_DW
577         select MMC_DW_PLTFM
578         help
579           This selects support for Samsung Exynos SoC specific extensions to the
580           Synopsys DesignWare Memory Card Interface driver. Select this option
581           for platforms based on Exynos4 and Exynos5 SoC's.
582 
583 config MMC_DW_SOCFPGA
584         tristate "SOCFPGA specific extensions for Synopsys DW Memory Card Interface"
585         depends on MMC_DW && MFD_SYSCON
586         select MMC_DW_PLTFM
587         help
588           This selects support for Altera SoCFPGA specific extensions to the
589           Synopsys DesignWare Memory Card Interface driver.
590 
591 config MMC_DW_K3
592         tristate "K3 specific extensions for Synopsys DW Memory Card Interface"
593         depends on MMC_DW
594         select MMC_DW_PLTFM
595         select MMC_DW_IDMAC
596         help
597           This selects support for Hisilicon K3 SoC specific extensions to the
598           Synopsys DesignWare Memory Card Interface driver. Select this option
599           for platforms based on Hisilicon K3 SoC's.
600 
601 config MMC_DW_PCI
602         tristate "Synopsys Designware MCI support on PCI bus"
603         depends on MMC_DW && PCI
604         help
605           This selects the PCI bus for the Synopsys Designware Mobile Storage IP.
606           Select this option if the IP is present on PCI platform.
607 
608           If you have a controller with this interface, say Y or M here.
609 
610           If unsure, say N.
611 
612 config MMC_SH_MMCIF
613         tristate "SuperH Internal MMCIF support"
614         depends on MMC_BLOCK
615         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
616         help
617           This selects the MMC Host Interface controller (MMCIF).
618 
619           This driver supports MMCIF in sh7724/sh7757/sh7372.
620 
621 config MMC_JZ4740
622         tristate "JZ4740 SD/Multimedia Card Interface support"
623         depends on MACH_JZ4740
624         help
625           This selects support for the SD/MMC controller on Ingenic JZ4740
626           SoCs.
627           If you have a board based on such a SoC and with a SD/MMC slot,
628           say Y or M here.
629 
630 config MMC_VUB300
631         tristate "VUB300 USB to SDIO/SD/MMC Host Controller support"
632         depends on USB
633         help
634           This selects support for Elan Digital Systems' VUB300 chip.
635 
636           The VUB300 is a USB-SDIO Host Controller Interface chip
637           that enables the host computer to use SDIO/SD/MMC cards
638           via a USB 2.0 or USB 1.1 host.
639 
640           The VUB300 chip will be found in both physically separate
641           USB to SDIO/SD/MMC adapters and embedded on some motherboards.
642 
643           The VUB300 chip supports SD and MMC memory cards in addition
644           to single and multifunction SDIO cards.
645 
646           Some SDIO cards will need a firmware file to be loaded and
647           sent to VUB300 chip in order to achieve better data throughput.
648           Download these "Offload Pseudocode" from Elan Digital Systems'
649           web-site http://www.elandigitalsystems.com/support/downloads.php
650           and put them in /lib/firmware. Note that without these additional
651           firmware files the VUB300 chip will still function, but not at
652           the best obtainable data rate.
653 
654           To compile this mmc host controller driver as a module,
655           choose M here: the module will be called vub300.
656 
657           If you have a computer with an embedded VUB300 chip
658           or if you intend connecting a USB adapter based on a
659           VUB300 chip say Y or M here.
660 
661 config MMC_USHC
662         tristate "USB SD Host Controller (USHC) support"
663         depends on USB
664         help
665           This selects support for USB SD Host Controllers based on
666           the Cypress Astoria chip with firmware compliant with CSR's
667           USB SD Host Controller specification (CS-118793-SP).
668 
669           CSR boards with this device include: USB<>SDIO (M1985v2),
670           and Ultrasira.
671 
672           Note: These controllers only support SDIO cards and do not
673           support MMC or SD memory cards.
674 
675 config MMC_WMT
676         tristate "Wondermedia SD/MMC Host Controller support"
677         depends on ARCH_VT8500
678         default y
679         help
680           This selects support for the SD/MMC Host Controller on
681           Wondermedia WM8505/WM8650 based SoCs.
682 
683           To compile this driver as a module, choose M here: the
684           module will be called wmt-sdmmc.
685 
686 config MMC_REALTEK_PCI
687         tristate "Realtek PCI-E SD/MMC Card Interface Driver"
688         depends on MFD_RTSX_PCI
689         help
690           Say Y here to include driver code to support SD/MMC card interface
691           of Realtek PCI-E card reader

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