Version:  2.0.40 2.2.26 2.4.37 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 3.16

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 || MACH_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         depends on MMC_SDHCI_PLTFM
220         default CPU_MMP2
221         help
222           This selects the Marvell(R) PXAV3 SD Host Controller.
223           If you have a MMP2 platform with SD Host Controller
224           and a card slot, say Y or M here.
225 
226           If unsure, say N.
227 
228 config MMC_SDHCI_PXAV2
229         tristate "Marvell PXA9XX SD Host Controller support (PXAV2)"
230         depends on CLKDEV_LOOKUP
231         depends on MMC_SDHCI_PLTFM
232         default CPU_PXA910
233         help
234           This selects the Marvell(R) PXAV2 SD Host Controller.
235           If you have a PXA9XX platform with SD Host Controller
236           and a card slot, say Y or M here.
237 
238           If unsure, say N.
239 
240 config MMC_SDHCI_SPEAR
241         tristate "SDHCI support on ST SPEAr platform"
242         depends on MMC_SDHCI && PLAT_SPEAR
243         help
244           This selects the Secure Digital Host Controller Interface (SDHCI)
245           often referrered to as the HSMMC block in some of the ST SPEAR range
246           of SoC
247 
248           If you have a controller with this interface, say Y or M here.
249 
250           If unsure, say N.
251 
252 config MMC_SDHCI_S3C_DMA
253         bool "DMA support on S3C SDHCI"
254         depends on MMC_SDHCI_S3C
255         help
256           Enable DMA support on the Samsung S3C SDHCI glue. The DMA
257           has proved to be problematic if the controller encounters
258           certain errors, and thus should be treated with care.
259 
260           YMMV.
261 
262 config MMC_SDHCI_BCM_KONA
263         tristate "SDHCI support on Broadcom KONA platform"
264         depends on ARCH_BCM_MOBILE
265         depends on MMC_SDHCI_PLTFM
266         help
267           This selects the Broadcom Kona Secure Digital Host Controller
268           Interface(SDHCI) support.
269           This is used in Broadcom mobile SoCs.
270 
271           If you have a controller with this interface, say Y or M here.
272 
273 config MMC_SDHCI_BCM2835
274         tristate "SDHCI platform support for the BCM2835 SD/MMC Controller"
275         depends on ARCH_BCM2835
276         depends on MMC_SDHCI_PLTFM
277         select MMC_SDHCI_IO_ACCESSORS
278         help
279           This selects the BCM2835 SD/MMC controller. If you have a BCM2835
280           platform with SD or MMC devices, say Y or M here.
281 
282           If unsure, say N.
283 
284 config MMC_MOXART
285         tristate "MOXART SD/MMC Host Controller support"
286         depends on ARCH_MOXART && MMC
287         help
288           This selects support for the MOXART SD/MMC Host Controller.
289           MOXA provides one multi-functional card reader which can
290           be found on some embedded hardware such as UC-7112-LX.
291           If you have a controller with this interface, say Y here.
292 
293 config MMC_OMAP
294         tristate "TI OMAP Multimedia Card Interface support"
295         depends on ARCH_OMAP
296         depends on TPS65010 || !MACH_OMAP_H2
297         help
298           This selects the TI OMAP Multimedia card Interface.
299           If you have an OMAP board with a Multimedia Card slot,
300           say Y or M here.
301 
302           If unsure, say N.
303 
304 config MMC_OMAP_HS
305         tristate "TI OMAP High Speed Multimedia Card Interface support"
306         depends on ARCH_OMAP2PLUS || COMPILE_TEST
307         help
308           This selects the TI OMAP High Speed Multimedia card Interface.
309           If you have an omap2plus board with a Multimedia Card slot,
310           say Y or M here.
311 
312           If unsure, say N.
313 
314 config MMC_WBSD
315         tristate "Winbond W83L51xD SD/MMC Card Interface support"
316         depends on ISA_DMA_API
317         help
318           This selects the Winbond(R) W83L51xD Secure digital and
319           Multimedia card Interface.
320           If you have a machine with a integrated W83L518D or W83L519D
321           SD/MMC card reader, say Y or M here.
322 
323           If unsure, say N.
324 
325 config MMC_AU1X
326         tristate "Alchemy AU1XX0 MMC Card Interface support"
327         depends on MIPS_ALCHEMY
328         help
329           This selects the AMD Alchemy(R) Multimedia card interface.
330           If you have a Alchemy platform with a MMC slot, say Y or M here.
331 
332           If unsure, say N.
333 
334 config MMC_ATMELMCI
335         tristate "Atmel SD/MMC Driver (Multimedia Card Interface)"
336         depends on AVR32 || ARCH_AT91
337         help
338           This selects the Atmel Multimedia Card Interface driver. If
339           you have an AT32 (AVR32) or AT91 platform with a Multimedia
340           Card slot, say Y or M here.
341 
342           If unsure, say N.
343 
344 config MMC_SDHCI_MSM
345         tristate "Qualcomm SDHCI Controller Support"
346         depends on ARCH_QCOM
347         depends on MMC_SDHCI_PLTFM
348         help
349           This selects the Secure Digital Host Controller Interface (SDHCI)
350           support present in Qualcomm SOCs. The controller supports
351           SD/MMC/SDIO devices.
352 
353           If you have a controller with this interface, say Y or M here.
354 
355           If unsure, say N.
356 
357 config MMC_MSM
358         tristate "Qualcomm SDCC Controller Support"
359         depends on MMC && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)
360         help
361           This provides support for the SD/MMC cell found in the
362           MSM and QSD SOCs from Qualcomm. The controller also has
363           support for SDIO devices.
364 
365 config MMC_MXC
366         tristate "Freescale i.MX21/27/31 or MPC512x Multimedia Card support"
367         depends on ARCH_MXC || PPC_MPC512x
368         help
369           This selects the Freescale i.MX21, i.MX27, i.MX31 or MPC512x
370           Multimedia Card Interface. If you have an i.MX or MPC512x platform
371           with a Multimedia Card slot, say Y or M here.
372 
373           If unsure, say N.
374 
375 config MMC_MXS
376         tristate "Freescale MXS Multimedia Card Interface support"
377         depends on ARCH_MXS && MXS_DMA
378         help
379           This selects the Freescale SSP MMC controller found on MXS based
380           platforms like mx23/28.
381 
382           If unsure, say N.
383 
384 config MMC_TIFM_SD
385         tristate "TI Flash Media MMC/SD Interface support"
386         depends on PCI
387         select TIFM_CORE
388         help
389           Say Y here if you want to be able to access MMC/SD cards with
390           the Texas Instruments(R) Flash Media card reader, found in many
391           laptops.
392           This option 'selects' (turns on, enables) 'TIFM_CORE', but you
393           probably also need appropriate card reader host adapter, such as
394           'Misc devices: TI Flash Media PCI74xx/PCI76xx host adapter support
395           (TIFM_7XX1)'.
396 
397           To compile this driver as a module, choose M here: the
398           module will be called tifm_sd.
399 
400 config MMC_MVSDIO
401         tristate "Marvell MMC/SD/SDIO host driver"
402         depends on PLAT_ORION
403         ---help---
404           This selects the Marvell SDIO host driver.
405           SDIO may currently be found on the Kirkwood 88F6281 and 88F6192
406           SoC controllers.
407 
408           To compile this driver as a module, choose M here: the
409           module will be called mvsdio.
410 
411 config MMC_DAVINCI
412         tristate "TI DAVINCI Multimedia Card Interface support"
413         depends on ARCH_DAVINCI
414         help
415           This selects the TI DAVINCI Multimedia card Interface.
416           If you have an DAVINCI board with a Multimedia Card slot,
417           say Y or M here.  If unsure, say N.
418 
419 config MMC_GOLDFISH
420         tristate "goldfish qemu Multimedia Card Interface support"
421         depends on GOLDFISH
422         help
423           This selects the Goldfish Multimedia card Interface emulation
424           found on the Goldfish Android virtual device emulation.
425 
426 config MMC_SPI
427         tristate "MMC/SD/SDIO over SPI"
428         depends on SPI_MASTER && !HIGHMEM && HAS_DMA
429         select CRC7
430         select CRC_ITU_T
431         help
432           Some systems access MMC/SD/SDIO cards using a SPI controller
433           instead of using a "native" MMC/SD/SDIO controller.  This has a
434           disadvantage of being relatively high overhead, but a compensating
435           advantage of working on many systems without dedicated MMC/SD/SDIO
436           controllers.
437 
438           If unsure, or if your system has no SPI master driver, say N.
439 
440 config MMC_S3C
441         tristate "Samsung S3C SD/MMC Card Interface support"
442         depends on ARCH_S3C24XX
443         help
444           This selects a driver for the MCI interface found in
445           Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs.
446           If you have a board based on one of those and a MMC/SD
447           slot, say Y or M here.
448 
449           If unsure, say N.
450 
451 config MMC_S3C_HW_SDIO_IRQ
452        bool "Hardware support for SDIO IRQ"
453        depends on MMC_S3C
454        help
455          Enable the hardware support for SDIO interrupts instead of using
456          the generic polling code.
457 
458 choice
459         prompt "Samsung S3C SD/MMC transfer code"
460         depends on MMC_S3C
461 
462 config MMC_S3C_PIO
463         bool "Use PIO transfers only"
464         help
465           Use PIO to transfer data between memory and the hardware.
466 
467           PIO is slower than DMA as it requires CPU instructions to
468           move the data. This has been the traditional default for
469           the S3C MCI driver.
470 
471 config MMC_S3C_DMA
472         bool "Use DMA transfers only"
473         help
474           Use DMA to transfer data between memory and the hardare.
475 
476           Currently, the DMA support in this driver seems to not be
477           working properly and needs to be debugged before this
478           option is useful.
479 
480 config MMC_S3C_PIODMA
481         bool "Support for both PIO and DMA"
482         help
483           Compile both the PIO and DMA transfer routines into the
484           driver and let the platform select at run-time which one
485           is best.
486 
487           See notes for the DMA option.
488 
489 endchoice
490 
491 config MMC_SDRICOH_CS
492         tristate "MMC/SD driver for Ricoh Bay1Controllers"
493         depends on PCI && PCMCIA
494         help
495           Say Y here if your Notebook reports a Ricoh Bay1Controller PCMCIA
496           card whenever you insert a MMC or SD card into the card slot.
497 
498           To compile this driver as a module, choose M here: the
499           module will be called sdricoh_cs.
500 
501 config MMC_TMIO_CORE
502         tristate
503 
504 config MMC_TMIO
505         tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
506         depends on MFD_TMIO || MFD_ASIC3
507         select MMC_TMIO_CORE
508         help
509           This provides support for the SD/MMC cell found in TC6393XB,
510           T7L66XB and also HTC ASIC3
511 
512 config MMC_SDHI
513         tristate "SH-Mobile SDHI SD/SDIO controller support"
514         depends on SUPERH || ARM
515         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
516         select MMC_TMIO_CORE
517         help
518           This provides support for the SDHI SD/SDIO controller found in
519           SuperH and ARM SH-Mobile SoCs
520 
521 config MMC_CB710
522         tristate "ENE CB710 MMC/SD Interface support"
523         depends on PCI
524         select CB710_CORE
525         help
526           This option enables support for MMC/SD part of ENE CB710/720 Flash
527           memory card reader found in some laptops (ie. some versions of
528           HP Compaq nx9500).
529 
530           This driver can also be built as a module. If so, the module
531           will be called cb710-mmc.
532 
533 config MMC_VIA_SDMMC
534         tristate "VIA SD/MMC Card Reader Driver"
535         depends on PCI
536         help
537           This selects the VIA SD/MMC Card Reader driver, say Y or M here.
538           VIA provides one multi-functional card reader which integrated into
539           some motherboards manufactured by VIA. This card reader supports
540           SD/MMC/SDHC.
541           If you have a controller with this interface, say Y or M here.
542 
543           If unsure, say N.
544 
545 config SDH_BFIN
546         tristate "Blackfin Secure Digital Host support"
547         depends on (BF54x && !BF544) || (BF51x && !BF512)
548         help
549           If you say yes here you will get support for the Blackfin on-chip
550           Secure Digital Host interface.  This includes support for MMC and
551           SD cards.
552 
553           To compile this driver as a module, choose M here: the
554           module will be called bfin_sdh.
555 
556           If unsure, say N.
557 
558 config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
559         bool "Blackfin EZkit Missing SDH_CMD Pull Up Resistor Workaround"
560         depends on SDH_BFIN
561         help
562           If you say yes here SD-Cards may work on the EZkit.
563 
564 config MMC_DW
565         tristate "Synopsys DesignWare Memory Card Interface"
566         depends on ARC || ARM
567         help
568           This selects support for the Synopsys DesignWare Mobile Storage IP
569           block, this provides host support for SD and MMC interfaces, in both
570           PIO and external DMA modes.
571 
572 config MMC_DW_IDMAC
573         bool "Internal DMAC interface"
574         depends on MMC_DW
575         help
576           This selects support for the internal DMAC block within the Synopsys
577           Designware Mobile Storage IP block. This disables the external DMA
578           interface.
579 
580 config MMC_DW_PLTFM
581         tristate "Synopsys Designware MCI Support as platform device"
582         depends on MMC_DW
583         default y
584         help
585           This selects the common helper functions support for Host Controller
586           Interface based platform driver. Please select this option if the IP
587           is present as a platform device. This is the common interface for the
588           Synopsys Designware IP.
589 
590           If you have a controller with this interface, say Y or M here.
591 
592           If unsure, say Y.
593 
594 config MMC_DW_EXYNOS
595         tristate "Exynos specific extensions for Synopsys DW Memory Card Interface"
596         depends on MMC_DW
597         select MMC_DW_PLTFM
598         help
599           This selects support for Samsung Exynos SoC specific extensions to the
600           Synopsys DesignWare Memory Card Interface driver. Select this option
601           for platforms based on Exynos4 and Exynos5 SoC's.
602 
603 config MMC_DW_K3
604         tristate "K3 specific extensions for Synopsys DW Memory Card Interface"
605         depends on MMC_DW
606         select MMC_DW_PLTFM
607         select MMC_DW_IDMAC
608         help
609           This selects support for Hisilicon K3 SoC specific extensions to the
610           Synopsys DesignWare Memory Card Interface driver. Select this option
611           for platforms based on Hisilicon K3 SoC's.
612 
613 config MMC_DW_PCI
614         tristate "Synopsys Designware MCI support on PCI bus"
615         depends on MMC_DW && PCI
616         help
617           This selects the PCI bus for the Synopsys Designware Mobile Storage IP.
618           Select this option if the IP is present on PCI platform.
619 
620           If you have a controller with this interface, say Y or M here.
621 
622           If unsure, say N.
623 
624 config MMC_SH_MMCIF
625         tristate "SuperH Internal MMCIF support"
626         depends on MMC_BLOCK
627         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
628         help
629           This selects the MMC Host Interface controller (MMCIF).
630 
631           This driver supports MMCIF in sh7724/sh7757/sh7372.
632 
633 config MMC_JZ4740
634         tristate "JZ4740 SD/Multimedia Card Interface support"
635         depends on MACH_JZ4740
636         help
637           This selects support for the SD/MMC controller on Ingenic JZ4740
638           SoCs.
639           If you have a board based on such a SoC and with a SD/MMC slot,
640           say Y or M here.
641 
642 config MMC_VUB300
643         tristate "VUB300 USB to SDIO/SD/MMC Host Controller support"
644         depends on USB
645         help
646           This selects support for Elan Digital Systems' VUB300 chip.
647 
648           The VUB300 is a USB-SDIO Host Controller Interface chip
649           that enables the host computer to use SDIO/SD/MMC cards
650           via a USB 2.0 or USB 1.1 host.
651 
652           The VUB300 chip will be found in both physically separate
653           USB to SDIO/SD/MMC adapters and embedded on some motherboards.
654 
655           The VUB300 chip supports SD and MMC memory cards in addition
656           to single and multifunction SDIO cards.
657 
658           Some SDIO cards will need a firmware file to be loaded and
659           sent to VUB300 chip in order to achieve better data throughput.
660           Download these "Offload Pseudocode" from Elan Digital Systems'
661           web-site http://www.elandigitalsystems.com/support/downloads.php
662           and put them in /lib/firmware. Note that without these additional
663           firmware files the VUB300 chip will still function, but not at
664           the best obtainable data rate.
665 
666           To compile this mmc host controller driver as a module,
667           choose M here: the module will be called vub300.
668 
669           If you have a computer with an embedded VUB300 chip
670           or if you intend connecting a USB adapter based on a
671           VUB300 chip say Y or M here.
672 
673 config MMC_USHC
674         tristate "USB SD Host Controller (USHC) support"
675         depends on USB
676         help
677           This selects support for USB SD Host Controllers based on
678           the Cypress Astoria chip with firmware compliant with CSR's
679           USB SD Host Controller specification (CS-118793-SP).
680 
681           CSR boards with this device include: USB<>SDIO (M1985v2),
682           and Ultrasira.
683 
684           Note: These controllers only support SDIO cards and do not
685           support MMC or SD memory cards.
686 
687 config MMC_WMT
688         tristate "Wondermedia SD/MMC Host Controller support"
689         depends on ARCH_VT8500
690         default y
691         help
692           This selects support for the SD/MMC Host Controller on
693           Wondermedia WM8505/WM8650 based SoCs.
694 
695           To compile this driver as a module, choose M here: the
696           module will be called wmt-sdmmc.
697 
698 config MMC_USDHI6ROL0
699         tristate "Renesas USDHI6ROL0 SD/SDIO Host Controller support"
700         help
701           This selects support for the Renesas USDHI6ROL0 SD/SDIO
702           Host Controller
703 
704 config MMC_REALTEK_PCI
705         tristate "Realtek PCI-E SD/MMC Card Interface Driver"
706         depends on MFD_RTSX_PCI
707         help
708           Say Y here to include driver code to support SD/MMC card interface
709           of Realtek PCI-E card reader
710 
711 config MMC_REALTEK_USB
712         tristate "Realtek USB SD/MMC Card Interface Driver"
713         depends on MFD_RTSX_USB
714         help
715           Say Y here to include driver code to support SD/MMC card interface
716           of Realtek RTS5129/39 series card reader
717 
718 config MMC_SUNXI
719         tristate "Allwinner sunxi SD/MMC Host Controller support"
720         depends on ARCH_SUNXI
721         help
722           This selects support for the SD/MMC Host Controller on
723           Allwinner sunxi SoCs.

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