Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15

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_MOBILE
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_SDHCI_MSM
338         tristate "Qualcomm SDHCI Controller Support"
339         depends on ARCH_QCOM
340         depends on MMC_SDHCI_PLTFM
341         help
342           This selects the Secure Digital Host Controller Interface (SDHCI)
343           support present in Qualcomm SOCs. The controller supports
344           SD/MMC/SDIO devices.
345 
346           If you have a controller with this interface, say Y or M here.
347 
348           If unsure, say N.
349 
350 config MMC_MSM
351         tristate "Qualcomm SDCC Controller Support"
352         depends on MMC && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)
353         help
354           This provides support for the SD/MMC cell found in the
355           MSM and QSD SOCs from Qualcomm. The controller also has
356           support for SDIO devices.
357 
358 config MMC_MXC
359         tristate "Freescale i.MX21/27/31 or MPC512x Multimedia Card support"
360         depends on ARCH_MXC || PPC_MPC512x
361         help
362           This selects the Freescale i.MX21, i.MX27, i.MX31 or MPC512x
363           Multimedia Card Interface. If you have an i.MX or MPC512x platform
364           with a Multimedia Card slot, say Y or M here.
365 
366           If unsure, say N.
367 
368 config MMC_MXS
369         tristate "Freescale MXS Multimedia Card Interface support"
370         depends on ARCH_MXS && MXS_DMA
371         help
372           This selects the Freescale SSP MMC controller found on MXS based
373           platforms like mx23/28.
374 
375           If unsure, say N.
376 
377 config MMC_TIFM_SD
378         tristate "TI Flash Media MMC/SD Interface support"
379         depends on PCI
380         select TIFM_CORE
381         help
382           Say Y here if you want to be able to access MMC/SD cards with
383           the Texas Instruments(R) Flash Media card reader, found in many
384           laptops.
385           This option 'selects' (turns on, enables) 'TIFM_CORE', but you
386           probably also need appropriate card reader host adapter, such as
387           'Misc devices: TI Flash Media PCI74xx/PCI76xx host adapter support
388           (TIFM_7XX1)'.
389 
390           To compile this driver as a module, choose M here: the
391           module will be called tifm_sd.
392 
393 config MMC_MVSDIO
394         tristate "Marvell MMC/SD/SDIO host driver"
395         depends on PLAT_ORION
396         ---help---
397           This selects the Marvell SDIO host driver.
398           SDIO may currently be found on the Kirkwood 88F6281 and 88F6192
399           SoC controllers.
400 
401           To compile this driver as a module, choose M here: the
402           module will be called mvsdio.
403 
404 config MMC_DAVINCI
405         tristate "TI DAVINCI Multimedia Card Interface support"
406         depends on ARCH_DAVINCI
407         help
408           This selects the TI DAVINCI Multimedia card Interface.
409           If you have an DAVINCI board with a Multimedia Card slot,
410           say Y or M here.  If unsure, say N.
411 
412 config MMC_GOLDFISH
413         tristate "goldfish qemu Multimedia Card Interface support"
414         depends on GOLDFISH
415         help
416           This selects the Goldfish Multimedia card Interface emulation
417           found on the Goldfish Android virtual device emulation.
418 
419 config MMC_SPI
420         tristate "MMC/SD/SDIO over SPI"
421         depends on SPI_MASTER && !HIGHMEM && HAS_DMA
422         select CRC7
423         select CRC_ITU_T
424         help
425           Some systems access MMC/SD/SDIO cards using a SPI controller
426           instead of using a "native" MMC/SD/SDIO controller.  This has a
427           disadvantage of being relatively high overhead, but a compensating
428           advantage of working on many systems without dedicated MMC/SD/SDIO
429           controllers.
430 
431           If unsure, or if your system has no SPI master driver, say N.
432 
433 config MMC_S3C
434         tristate "Samsung S3C SD/MMC Card Interface support"
435         depends on ARCH_S3C24XX
436         help
437           This selects a driver for the MCI interface found in
438           Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs.
439           If you have a board based on one of those and a MMC/SD
440           slot, say Y or M here.
441 
442           If unsure, say N.
443 
444 config MMC_S3C_HW_SDIO_IRQ
445        bool "Hardware support for SDIO IRQ"
446        depends on MMC_S3C
447        help
448          Enable the hardware support for SDIO interrupts instead of using
449          the generic polling code.
450 
451 choice
452         prompt "Samsung S3C SD/MMC transfer code"
453         depends on MMC_S3C
454 
455 config MMC_S3C_PIO
456         bool "Use PIO transfers only"
457         help
458           Use PIO to transfer data between memory and the hardware.
459 
460           PIO is slower than DMA as it requires CPU instructions to
461           move the data. This has been the traditional default for
462           the S3C MCI driver.
463 
464 config MMC_S3C_DMA
465         bool "Use DMA transfers only"
466         help
467           Use DMA to transfer data between memory and the hardare.
468 
469           Currently, the DMA support in this driver seems to not be
470           working properly and needs to be debugged before this
471           option is useful.
472 
473 config MMC_S3C_PIODMA
474         bool "Support for both PIO and DMA"
475         help
476           Compile both the PIO and DMA transfer routines into the
477           driver and let the platform select at run-time which one
478           is best.
479 
480           See notes for the DMA option.
481 
482 endchoice
483 
484 config MMC_SDRICOH_CS
485         tristate "MMC/SD driver for Ricoh Bay1Controllers"
486         depends on PCI && PCMCIA
487         help
488           Say Y here if your Notebook reports a Ricoh Bay1Controller PCMCIA
489           card whenever you insert a MMC or SD card into the card slot.
490 
491           To compile this driver as a module, choose M here: the
492           module will be called sdricoh_cs.
493 
494 config MMC_TMIO_CORE
495         tristate
496 
497 config MMC_TMIO
498         tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
499         depends on MFD_TMIO || MFD_ASIC3
500         select MMC_TMIO_CORE
501         help
502           This provides support for the SD/MMC cell found in TC6393XB,
503           T7L66XB and also HTC ASIC3
504 
505 config MMC_SDHI
506         tristate "SH-Mobile SDHI SD/SDIO controller support"
507         depends on SUPERH || ARM
508         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
509         select MMC_TMIO_CORE
510         help
511           This provides support for the SDHI SD/SDIO controller found in
512           SuperH and ARM SH-Mobile SoCs
513 
514 config MMC_CB710
515         tristate "ENE CB710 MMC/SD Interface support"
516         depends on PCI
517         select CB710_CORE
518         help
519           This option enables support for MMC/SD part of ENE CB710/720 Flash
520           memory card reader found in some laptops (ie. some versions of
521           HP Compaq nx9500).
522 
523           This driver can also be built as a module. If so, the module
524           will be called cb710-mmc.
525 
526 config MMC_VIA_SDMMC
527         tristate "VIA SD/MMC Card Reader Driver"
528         depends on PCI
529         help
530           This selects the VIA SD/MMC Card Reader driver, say Y or M here.
531           VIA provides one multi-functional card reader which integrated into
532           some motherboards manufactured by VIA. This card reader supports
533           SD/MMC/SDHC.
534           If you have a controller with this interface, say Y or M here.
535 
536           If unsure, say N.
537 
538 config SDH_BFIN
539         tristate "Blackfin Secure Digital Host support"
540         depends on (BF54x && !BF544) || (BF51x && !BF512)
541         help
542           If you say yes here you will get support for the Blackfin on-chip
543           Secure Digital Host interface.  This includes support for MMC and
544           SD cards.
545 
546           To compile this driver as a module, choose M here: the
547           module will be called bfin_sdh.
548 
549           If unsure, say N.
550 
551 config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
552         bool "Blackfin EZkit Missing SDH_CMD Pull Up Resistor Workaround"
553         depends on SDH_BFIN
554         help
555           If you say yes here SD-Cards may work on the EZkit.
556 
557 config MMC_DW
558         tristate "Synopsys DesignWare Memory Card Interface"
559         depends on ARC || ARM
560         help
561           This selects support for the Synopsys DesignWare Mobile Storage IP
562           block, this provides host support for SD and MMC interfaces, in both
563           PIO and external DMA modes.
564 
565 config MMC_DW_IDMAC
566         bool "Internal DMAC interface"
567         depends on MMC_DW
568         help
569           This selects support for the internal DMAC block within the Synopsys
570           Designware Mobile Storage IP block. This disables the external DMA
571           interface.
572 
573 config MMC_DW_PLTFM
574         tristate "Synopsys Designware MCI Support as platform device"
575         depends on MMC_DW
576         default y
577         help
578           This selects the common helper functions support for Host Controller
579           Interface based platform driver. Please select this option if the IP
580           is present as a platform device. This is the common interface for the
581           Synopsys Designware IP.
582 
583           If you have a controller with this interface, say Y or M here.
584 
585           If unsure, say Y.
586 
587 config MMC_DW_EXYNOS
588         tristate "Exynos specific extensions for Synopsys DW Memory Card Interface"
589         depends on MMC_DW
590         select MMC_DW_PLTFM
591         help
592           This selects support for Samsung Exynos SoC specific extensions to the
593           Synopsys DesignWare Memory Card Interface driver. Select this option
594           for platforms based on Exynos4 and Exynos5 SoC's.
595 
596 config MMC_DW_K3
597         tristate "K3 specific extensions for Synopsys DW Memory Card Interface"
598         depends on MMC_DW
599         select MMC_DW_PLTFM
600         select MMC_DW_IDMAC
601         help
602           This selects support for Hisilicon K3 SoC specific extensions to the
603           Synopsys DesignWare Memory Card Interface driver. Select this option
604           for platforms based on Hisilicon K3 SoC's.
605 
606 config MMC_DW_PCI
607         tristate "Synopsys Designware MCI support on PCI bus"
608         depends on MMC_DW && PCI
609         help
610           This selects the PCI bus for the Synopsys Designware Mobile Storage IP.
611           Select this option if the IP is present on PCI platform.
612 
613           If you have a controller with this interface, say Y or M here.
614 
615           If unsure, say N.
616 
617 config MMC_SH_MMCIF
618         tristate "SuperH Internal MMCIF support"
619         depends on MMC_BLOCK
620         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
621         help
622           This selects the MMC Host Interface controller (MMCIF).
623 
624           This driver supports MMCIF in sh7724/sh7757/sh7372.
625 
626 config MMC_JZ4740
627         tristate "JZ4740 SD/Multimedia Card Interface support"
628         depends on MACH_JZ4740
629         help
630           This selects support for the SD/MMC controller on Ingenic JZ4740
631           SoCs.
632           If you have a board based on such a SoC and with a SD/MMC slot,
633           say Y or M here.
634 
635 config MMC_VUB300
636         tristate "VUB300 USB to SDIO/SD/MMC Host Controller support"
637         depends on USB
638         help
639           This selects support for Elan Digital Systems' VUB300 chip.
640 
641           The VUB300 is a USB-SDIO Host Controller Interface chip
642           that enables the host computer to use SDIO/SD/MMC cards
643           via a USB 2.0 or USB 1.1 host.
644 
645           The VUB300 chip will be found in both physically separate
646           USB to SDIO/SD/MMC adapters and embedded on some motherboards.
647 
648           The VUB300 chip supports SD and MMC memory cards in addition
649           to single and multifunction SDIO cards.
650 
651           Some SDIO cards will need a firmware file to be loaded and
652           sent to VUB300 chip in order to achieve better data throughput.
653           Download these "Offload Pseudocode" from Elan Digital Systems'
654           web-site http://www.elandigitalsystems.com/support/downloads.php
655           and put them in /lib/firmware. Note that without these additional
656           firmware files the VUB300 chip will still function, but not at
657           the best obtainable data rate.
658 
659           To compile this mmc host controller driver as a module,
660           choose M here: the module will be called vub300.
661 
662           If you have a computer with an embedded VUB300 chip
663           or if you intend connecting a USB adapter based on a
664           VUB300 chip say Y or M here.
665 
666 config MMC_USHC
667         tristate "USB SD Host Controller (USHC) support"
668         depends on USB
669         help
670           This selects support for USB SD Host Controllers based on
671           the Cypress Astoria chip with firmware compliant with CSR's
672           USB SD Host Controller specification (CS-118793-SP).
673 
674           CSR boards with this device include: USB<>SDIO (M1985v2),
675           and Ultrasira.
676 
677           Note: These controllers only support SDIO cards and do not
678           support MMC or SD memory cards.
679 
680 config MMC_WMT
681         tristate "Wondermedia SD/MMC Host Controller support"
682         depends on ARCH_VT8500
683         default y
684         help
685           This selects support for the SD/MMC Host Controller on
686           Wondermedia WM8505/WM8650 based SoCs.
687 
688           To compile this driver as a module, choose M here: the
689           module will be called wmt-sdmmc.
690 
691 config MMC_REALTEK_PCI
692         tristate "Realtek PCI-E SD/MMC Card Interface Driver"
693         depends on MFD_RTSX_PCI
694         help
695           Say Y here to include driver code to support SD/MMC card interface
696           of Realtek PCI-E card reader

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