Version:  2.0.40 2.2.26 2.4.37 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 3.17 3.18 3.19 4.0

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_QCOM_DML
 18         tristate "Qualcomm Data Mover for SD Card Controller"
 19         depends on MMC_ARMMMCI && QCOM_BAM_DMA
 20         default y
 21         help
 22           This selects the Qualcomm Data Mover lite/local on SD Card controller.
 23           This option will enable the dma to work correctly, if you are using
 24           Qcom SOCs and MMC, you would probably need this option to get DMA working.
 25 
 26           if unsure, say N.
 27 
 28 config MMC_PXA
 29         tristate "Intel PXA25x/26x/27x Multimedia Card Interface support"
 30         depends on ARCH_PXA
 31         help
 32           This selects the Intel(R) PXA(R) Multimedia card Interface.
 33           If you have a PXA(R) platform with a Multimedia Card slot,
 34           say Y or M here.
 35 
 36           If unsure, say N.
 37 
 38 config MMC_SDHCI
 39         tristate "Secure Digital Host Controller Interface support"
 40         depends on HAS_DMA
 41         help
 42           This selects the generic Secure Digital Host Controller Interface.
 43           It is used by manufacturers such as Texas Instruments(R), Ricoh(R)
 44           and Toshiba(R). Most controllers found in laptops are of this type.
 45 
 46           If you have a controller with this interface, say Y or M here. You
 47           also need to enable an appropriate bus interface.
 48 
 49           If unsure, say N.
 50 
 51 config MMC_SDHCI_IO_ACCESSORS
 52         bool
 53         depends on MMC_SDHCI
 54         help
 55           This is silent Kconfig symbol that is selected by the drivers that
 56           need to overwrite SDHCI IO memory accessors.
 57 
 58 config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
 59         bool
 60         depends on MMC_SDHCI
 61         select MMC_SDHCI_IO_ACCESSORS
 62         help
 63           This option is selected by drivers running on big endian hosts
 64           and performing I/O to a SDHCI controller through a bus that
 65           implements a hardware byte swapper using a 32-bit datum.
 66           This endian mapping mode is called "data invariance" and
 67           has the effect of scrambling the addresses and formats of data
 68           accessed in sizes other than the datum size.
 69 
 70           This is the case for the Freescale eSDHC and Nintendo Wii SDHCI.
 71 
 72 config MMC_SDHCI_PCI
 73         tristate "SDHCI support on PCI bus"
 74         depends on MMC_SDHCI && PCI
 75         help
 76           This selects the PCI Secure Digital Host Controller Interface.
 77           Most controllers found today are PCI devices.
 78 
 79           If you have a controller with this interface, say Y or M here.
 80 
 81           If unsure, say N.
 82 
 83 config MMC_RICOH_MMC
 84         bool "Ricoh MMC Controller Disabler"
 85         depends on MMC_SDHCI_PCI
 86         default y
 87         help
 88           This adds a pci quirk to disable Ricoh MMC Controller. This
 89           proprietary controller is unnecessary because the SDHCI driver
 90           supports MMC cards on the SD controller, but if it is not
 91           disabled, it will steal the MMC cards away - rendering them
 92           useless. It is safe to select this even if you don't
 93           have a Ricoh based card reader.
 94 
 95           If unsure, say Y.
 96 
 97 config MMC_SDHCI_ACPI
 98         tristate "SDHCI support for ACPI enumerated SDHCI controllers"
 99         depends on MMC_SDHCI && ACPI
100         help
101           This selects support for ACPI enumerated SDHCI controllers,
102           identified by ACPI Compatibility ID PNP0D40 or specific
103           ACPI Hardware IDs.
104 
105           If you have a controller with this interface, say Y or M here.
106 
107           If unsure, say N.
108 
109 config MMC_SDHCI_PLTFM
110         tristate "SDHCI platform and OF driver helper"
111         depends on MMC_SDHCI
112         help
113           This selects the common helper functions support for Secure Digital
114           Host Controller Interface based platform and OF drivers.
115 
116           If you have a controller with this interface, say Y or M here.
117 
118           If unsure, say N.
119 
120 config MMC_SDHCI_OF_ARASAN
121         tristate "SDHCI OF support for the Arasan SDHCI controllers"
122         depends on MMC_SDHCI_PLTFM
123         depends on OF
124         help
125           This selects the Arasan Secure Digital Host Controller Interface
126           (SDHCI). This hardware is found e.g. in Xilinx' Zynq SoC.
127 
128           If you have a controller with this interface, say Y or M here.
129 
130           If unsure, say N.
131 
132 config MMC_SDHCI_OF_ESDHC
133         tristate "SDHCI OF support for the Freescale eSDHC controller"
134         depends on MMC_SDHCI_PLTFM
135         depends on PPC_OF
136         select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
137         help
138           This selects the Freescale eSDHC controller support.
139 
140           If you have a controller with this interface, say Y or M here.
141 
142           If unsure, say N.
143 
144 config MMC_SDHCI_OF_HLWD
145         tristate "SDHCI OF support for the Nintendo Wii SDHCI controllers"
146         depends on MMC_SDHCI_PLTFM
147         depends on PPC_OF
148         select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
149         help
150           This selects the Secure Digital Host Controller Interface (SDHCI)
151           found in the "Hollywood" chipset of the Nintendo Wii video game
152           console.
153 
154           If you have a controller with this interface, say Y or M here.
155 
156           If unsure, say N.
157 
158 config MMC_SDHCI_CNS3XXX
159         tristate "SDHCI support on the Cavium Networks CNS3xxx SoC"
160         depends on ARCH_CNS3XXX
161         depends on MMC_SDHCI_PLTFM
162         help
163           This selects the SDHCI support for CNS3xxx System-on-Chip devices.
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_ESDHC_IMX
170         tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller"
171         depends on ARCH_MXC
172         depends on MMC_SDHCI_PLTFM
173         select MMC_SDHCI_IO_ACCESSORS
174         help
175           This selects the Freescale eSDHC/uSDHC controller support
176           found on i.MX25, i.MX35 i.MX5x and i.MX6x.
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_DOVE
183         tristate "SDHCI support on Marvell's Dove SoC"
184         depends on ARCH_DOVE || MACH_DOVE
185         depends on MMC_SDHCI_PLTFM
186         select MMC_SDHCI_IO_ACCESSORS
187         help
188           This selects the Secure Digital Host Controller Interface in
189           Marvell's Dove SoC.
190 
191           If you have a controller with this interface, say Y or M here.
192 
193           If unsure, say N.
194 
195 config MMC_SDHCI_TEGRA
196         tristate "SDHCI platform support for the Tegra SD/MMC Controller"
197         depends on ARCH_TEGRA
198         depends on MMC_SDHCI_PLTFM
199         select MMC_SDHCI_IO_ACCESSORS
200         help
201           This selects the Tegra SD/MMC controller. If you have a Tegra
202           platform with SD or MMC devices, say Y or M here.
203 
204           If unsure, say N.
205 
206 config MMC_SDHCI_S3C
207         tristate "SDHCI support on Samsung S3C SoC"
208         depends on MMC_SDHCI && PLAT_SAMSUNG
209         help
210           This selects the Secure Digital Host Controller Interface (SDHCI)
211           often referrered to as the HSMMC block in some of the Samsung S3C
212           range of SoC.
213 
214           If you have a controller with this interface, say Y or M here.
215 
216           If unsure, say N.
217 
218 config MMC_SDHCI_SIRF
219         tristate "SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs"
220         depends on ARCH_SIRF
221         depends on MMC_SDHCI_PLTFM
222         help
223           This selects the SDHCI support for SiRF System-on-Chip devices.
224 
225           If you have a controller with this interface, say Y or M here.
226 
227           If unsure, say N.
228 
229 config MMC_SDHCI_PXAV3
230         tristate "Marvell MMP2 SD Host Controller support (PXAV3)"
231         depends on CLKDEV_LOOKUP
232         depends on MMC_SDHCI_PLTFM
233         depends on ARCH_MMP || COMPILE_TEST
234         default CPU_MMP2
235         help
236           This selects the Marvell(R) PXAV3 SD Host Controller.
237           If you have a MMP2 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_PXAV2
243         tristate "Marvell PXA9XX SD Host Controller support (PXAV2)"
244         depends on CLKDEV_LOOKUP
245         depends on MMC_SDHCI_PLTFM
246         depends on ARCH_MMP || COMPILE_TEST
247         default CPU_PXA910
248         help
249           This selects the Marvell(R) PXAV2 SD Host Controller.
250           If you have a PXA9XX platform with SD Host Controller
251           and a card slot, say Y or M here.
252 
253           If unsure, say N.
254 
255 config MMC_SDHCI_SPEAR
256         tristate "SDHCI support on ST SPEAr platform"
257         depends on MMC_SDHCI && PLAT_SPEAR
258         help
259           This selects the Secure Digital Host Controller Interface (SDHCI)
260           often referrered to as the HSMMC block in some of the ST SPEAR range
261           of SoC
262 
263           If you have a controller with this interface, say Y or M here.
264 
265           If unsure, say N.
266 
267 config MMC_SDHCI_S3C_DMA
268         bool "DMA support on S3C SDHCI"
269         depends on MMC_SDHCI_S3C
270         help
271           Enable DMA support on the Samsung S3C SDHCI glue. The DMA
272           has proved to be problematic if the controller encounters
273           certain errors, and thus should be treated with care.
274 
275           YMMV.
276 
277 config MMC_SDHCI_BCM_KONA
278         tristate "SDHCI support on Broadcom KONA platform"
279         depends on ARCH_BCM_MOBILE
280         depends on MMC_SDHCI_PLTFM
281         help
282           This selects the Broadcom Kona Secure Digital Host Controller
283           Interface(SDHCI) support.
284           This is used in Broadcom mobile SoCs.
285 
286           If you have a controller with this interface, say Y or M here.
287 
288 config MMC_SDHCI_BCM2835
289         tristate "SDHCI platform support for the BCM2835 SD/MMC Controller"
290         depends on ARCH_BCM2835
291         depends on MMC_SDHCI_PLTFM
292         select MMC_SDHCI_IO_ACCESSORS
293         help
294           This selects the BCM2835 SD/MMC controller. If you have a BCM2835
295           platform with SD or MMC devices, say Y or M here.
296 
297           If unsure, say N.
298 
299 config MMC_SDHCI_F_SDH30
300         tristate "SDHCI support for Fujitsu Semiconductor F_SDH30"
301         depends on MMC_SDHCI_PLTFM
302         depends on OF
303         help
304           This selects the Secure Digital Host Controller Interface (SDHCI)
305           Needed by some Fujitsu SoC for MMC / SD / SDIO support.
306           If you have a controller with this interface, say Y or M here.
307 
308           If unsure, say N.
309 
310 config MMC_MOXART
311         tristate "MOXART SD/MMC Host Controller support"
312         depends on ARCH_MOXART && MMC
313         help
314           This selects support for the MOXART SD/MMC Host Controller.
315           MOXA provides one multi-functional card reader which can
316           be found on some embedded hardware such as UC-7112-LX.
317           If you have a controller with this interface, say Y here.
318 
319 config MMC_SDHCI_ST
320         tristate "SDHCI support on STMicroelectronics SoC"
321         depends on ARCH_STI
322         depends on MMC_SDHCI_PLTFM
323         select MMC_SDHCI_IO_ACCESSORS
324         help
325           This selects the Secure Digital Host Controller Interface in
326           STMicroelectronics SoCs.
327 
328           If you have a controller with this interface, say Y or M here.
329           If unsure, say N.
330 
331 config MMC_OMAP
332         tristate "TI OMAP Multimedia Card Interface support"
333         depends on ARCH_OMAP
334         depends on TPS65010 || !MACH_OMAP_H2
335         help
336           This selects the TI OMAP Multimedia card Interface.
337           If you have an OMAP board with a Multimedia Card slot,
338           say Y or M here.
339 
340           If unsure, say N.
341 
342 config MMC_OMAP_HS
343         tristate "TI OMAP High Speed Multimedia Card Interface support"
344         depends on HAS_DMA
345         depends on ARCH_OMAP2PLUS || COMPILE_TEST
346         help
347           This selects the TI OMAP High Speed Multimedia card Interface.
348           If you have an omap2plus board with a Multimedia Card slot,
349           say Y or M here.
350 
351           If unsure, say N.
352 
353 config MMC_WBSD
354         tristate "Winbond W83L51xD SD/MMC Card Interface support"
355         depends on ISA_DMA_API
356         help
357           This selects the Winbond(R) W83L51xD Secure digital and
358           Multimedia card Interface.
359           If you have a machine with a integrated W83L518D or W83L519D
360           SD/MMC card reader, say Y or M here.
361 
362           If unsure, say N.
363 
364 config MMC_AU1X
365         tristate "Alchemy AU1XX0 MMC Card Interface support"
366         depends on MIPS_ALCHEMY
367         help
368           This selects the AMD Alchemy(R) Multimedia card interface.
369           If you have a Alchemy platform with a MMC slot, say Y or M here.
370 
371           If unsure, say N.
372 
373 config MMC_ATMELMCI
374         tristate "Atmel SD/MMC Driver (Multimedia Card Interface)"
375         depends on AVR32 || ARCH_AT91
376         help
377           This selects the Atmel Multimedia Card Interface driver. If
378           you have an AT32 (AVR32) or AT91 platform with a Multimedia
379           Card slot, say Y or M here.
380 
381           If unsure, say N.
382 
383 config MMC_SDHCI_MSM
384         tristate "Qualcomm SDHCI Controller Support"
385         depends on ARCH_QCOM || (ARM && COMPILE_TEST)
386         depends on MMC_SDHCI_PLTFM
387         help
388           This selects the Secure Digital Host Controller Interface (SDHCI)
389           support present in Qualcomm SOCs. The controller supports
390           SD/MMC/SDIO devices.
391 
392           If you have a controller with this interface, say Y or M here.
393 
394           If unsure, say N.
395 
396 config MMC_MSM
397         tristate "Qualcomm SDCC Controller Support"
398         depends on MMC && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)
399         help
400           This provides support for the SD/MMC cell found in the
401           MSM and QSD SOCs from Qualcomm. The controller also has
402           support for SDIO devices.
403 
404 config MMC_MXC
405         tristate "Freescale i.MX21/27/31 or MPC512x Multimedia Card support"
406         depends on ARCH_MXC || PPC_MPC512x
407         help
408           This selects the Freescale i.MX21, i.MX27, i.MX31 or MPC512x
409           Multimedia Card Interface. If you have an i.MX or MPC512x platform
410           with a Multimedia Card slot, say Y or M here.
411 
412           If unsure, say N.
413 
414 config MMC_MXS
415         tristate "Freescale MXS Multimedia Card Interface support"
416         depends on ARCH_MXS && MXS_DMA
417         help
418           This selects the Freescale SSP MMC controller found on MXS based
419           platforms like mx23/28.
420 
421           If unsure, say N.
422 
423 config MMC_TIFM_SD
424         tristate "TI Flash Media MMC/SD Interface support"
425         depends on PCI
426         select TIFM_CORE
427         help
428           Say Y here if you want to be able to access MMC/SD cards with
429           the Texas Instruments(R) Flash Media card reader, found in many
430           laptops.
431           This option 'selects' (turns on, enables) 'TIFM_CORE', but you
432           probably also need appropriate card reader host adapter, such as
433           'Misc devices: TI Flash Media PCI74xx/PCI76xx host adapter support
434           (TIFM_7XX1)'.
435 
436           To compile this driver as a module, choose M here: the
437           module will be called tifm_sd.
438 
439 config MMC_MVSDIO
440         tristate "Marvell MMC/SD/SDIO host driver"
441         depends on PLAT_ORION
442         ---help---
443           This selects the Marvell SDIO host driver.
444           SDIO may currently be found on the Kirkwood 88F6281 and 88F6192
445           SoC controllers.
446 
447           To compile this driver as a module, choose M here: the
448           module will be called mvsdio.
449 
450 config MMC_DAVINCI
451         tristate "TI DAVINCI Multimedia Card Interface support"
452         depends on ARCH_DAVINCI
453         help
454           This selects the TI DAVINCI Multimedia card Interface.
455           If you have an DAVINCI board with a Multimedia Card slot,
456           say Y or M here.  If unsure, say N.
457 
458 config MMC_GOLDFISH
459         tristate "goldfish qemu Multimedia Card Interface support"
460         depends on GOLDFISH
461         help
462           This selects the Goldfish Multimedia card Interface emulation
463           found on the Goldfish Android virtual device emulation.
464 
465 config MMC_SPI
466         tristate "MMC/SD/SDIO over SPI"
467         depends on SPI_MASTER && !HIGHMEM && HAS_DMA
468         select CRC7
469         select CRC_ITU_T
470         help
471           Some systems access MMC/SD/SDIO cards using a SPI controller
472           instead of using a "native" MMC/SD/SDIO controller.  This has a
473           disadvantage of being relatively high overhead, but a compensating
474           advantage of working on many systems without dedicated MMC/SD/SDIO
475           controllers.
476 
477           If unsure, or if your system has no SPI master driver, say N.
478 
479 config MMC_S3C
480         tristate "Samsung S3C SD/MMC Card Interface support"
481         depends on ARCH_S3C24XX
482         depends on S3C24XX_DMAC
483         help
484           This selects a driver for the MCI interface found in
485           Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs.
486           If you have a board based on one of those and a MMC/SD
487           slot, say Y or M here.
488 
489           If unsure, say N.
490 
491 config MMC_S3C_HW_SDIO_IRQ
492        bool "Hardware support for SDIO IRQ"
493        depends on MMC_S3C
494        help
495          Enable the hardware support for SDIO interrupts instead of using
496          the generic polling code.
497 
498 choice
499         prompt "Samsung S3C SD/MMC transfer code"
500         depends on MMC_S3C
501 
502 config MMC_S3C_PIO
503         bool "Use PIO transfers only"
504         help
505           Use PIO to transfer data between memory and the hardware.
506 
507           PIO is slower than DMA as it requires CPU instructions to
508           move the data. This has been the traditional default for
509           the S3C MCI driver.
510 
511 config MMC_S3C_DMA
512         bool "Use DMA transfers only"
513         help
514           Use DMA to transfer data between memory and the hardare.
515 
516           Currently, the DMA support in this driver seems to not be
517           working properly and needs to be debugged before this
518           option is useful.
519 
520 endchoice
521 
522 config MMC_SDRICOH_CS
523         tristate "MMC/SD driver for Ricoh Bay1Controllers"
524         depends on PCI && PCMCIA
525         help
526           Say Y here if your Notebook reports a Ricoh Bay1Controller PCMCIA
527           card whenever you insert a MMC or SD card into the card slot.
528 
529           To compile this driver as a module, choose M here: the
530           module will be called sdricoh_cs.
531 
532 config MMC_TMIO_CORE
533         tristate
534 
535 config MMC_TMIO
536         tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
537         depends on MFD_TMIO || MFD_ASIC3
538         select MMC_TMIO_CORE
539         help
540           This provides support for the SD/MMC cell found in TC6393XB,
541           T7L66XB and also HTC ASIC3
542 
543 config MMC_SDHI
544         tristate "SH-Mobile SDHI SD/SDIO controller support"
545         depends on SUPERH || ARM
546         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
547         select MMC_TMIO_CORE
548         help
549           This provides support for the SDHI SD/SDIO controller found in
550           SuperH and ARM SH-Mobile SoCs
551 
552 config MMC_CB710
553         tristate "ENE CB710 MMC/SD Interface support"
554         depends on PCI
555         select CB710_CORE
556         help
557           This option enables support for MMC/SD part of ENE CB710/720 Flash
558           memory card reader found in some laptops (ie. some versions of
559           HP Compaq nx9500).
560 
561           This driver can also be built as a module. If so, the module
562           will be called cb710-mmc.
563 
564 config MMC_VIA_SDMMC
565         tristate "VIA SD/MMC Card Reader Driver"
566         depends on PCI
567         help
568           This selects the VIA SD/MMC Card Reader driver, say Y or M here.
569           VIA provides one multi-functional card reader which integrated into
570           some motherboards manufactured by VIA. This card reader supports
571           SD/MMC/SDHC.
572           If you have a controller with this interface, say Y or M here.
573 
574           If unsure, say N.
575 
576 config SDH_BFIN
577         tristate "Blackfin Secure Digital Host support"
578         depends on (BF54x && !BF544) || (BF51x && !BF512)
579         help
580           If you say yes here you will get support for the Blackfin on-chip
581           Secure Digital Host interface.  This includes support for MMC and
582           SD cards.
583 
584           To compile this driver as a module, choose M here: the
585           module will be called bfin_sdh.
586 
587           If unsure, say N.
588 
589 config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
590         bool "Blackfin EZkit Missing SDH_CMD Pull Up Resistor Workaround"
591         depends on SDH_BFIN
592         help
593           If you say yes here SD-Cards may work on the EZkit.
594 
595 config MMC_DW
596         tristate "Synopsys DesignWare Memory Card Interface"
597         depends on HAS_DMA
598         depends on ARC || ARM || ARM64 || MIPS || COMPILE_TEST
599         help
600           This selects support for the Synopsys DesignWare Mobile Storage IP
601           block, this provides host support for SD and MMC interfaces, in both
602           PIO and external DMA modes.
603 
604 config MMC_DW_IDMAC
605         bool "Internal DMAC interface"
606         depends on MMC_DW
607         help
608           This selects support for the internal DMAC block within the Synopsys
609           Designware Mobile Storage IP block. This disables the external DMA
610           interface.
611 
612 config MMC_DW_PLTFM
613         tristate "Synopsys Designware MCI Support as platform device"
614         depends on MMC_DW
615         default y
616         help
617           This selects the common helper functions support for Host Controller
618           Interface based platform driver. Please select this option if the IP
619           is present as a platform device. This is the common interface for the
620           Synopsys Designware IP.
621 
622           If you have a controller with this interface, say Y or M here.
623 
624           If unsure, say Y.
625 
626 config MMC_DW_EXYNOS
627         tristate "Exynos specific extensions for Synopsys DW Memory Card Interface"
628         depends on MMC_DW
629         select MMC_DW_PLTFM
630         help
631           This selects support for Samsung Exynos SoC specific extensions to the
632           Synopsys DesignWare Memory Card Interface driver. Select this option
633           for platforms based on Exynos4 and Exynos5 SoC's.
634 
635 config MMC_DW_K3
636         tristate "K3 specific extensions for Synopsys DW Memory Card Interface"
637         depends on MMC_DW
638         select MMC_DW_PLTFM
639         select MMC_DW_IDMAC
640         help
641           This selects support for Hisilicon K3 SoC specific extensions to the
642           Synopsys DesignWare Memory Card Interface driver. Select this option
643           for platforms based on Hisilicon K3 SoC's.
644 
645 config MMC_DW_PCI
646         tristate "Synopsys Designware MCI support on PCI bus"
647         depends on MMC_DW && PCI
648         help
649           This selects the PCI bus for the Synopsys Designware Mobile Storage IP.
650           Select this option if the IP is present on PCI platform.
651 
652           If you have a controller with this interface, say Y or M here.
653 
654           If unsure, say N.
655 
656 config MMC_DW_ROCKCHIP
657         tristate "Rockchip specific extensions for Synopsys DW Memory Card Interface"
658         depends on MMC_DW && ARCH_ROCKCHIP
659         select MMC_DW_PLTFM
660         help
661           This selects support for Rockchip SoC specific extensions to the
662           Synopsys DesignWare Memory Card Interface driver. Select this option
663           for platforms based on RK3066, RK3188 and RK3288 SoC's.
664 
665 config MMC_SH_MMCIF
666         tristate "SuperH Internal MMCIF support"
667         depends on MMC_BLOCK && HAS_DMA
668         depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
669         help
670           This selects the MMC Host Interface controller (MMCIF).
671 
672           This driver supports MMCIF in sh7724/sh7757/sh7372.
673 
674 config MMC_JZ4740
675         tristate "JZ4740 SD/Multimedia Card Interface support"
676         depends on MACH_JZ4740
677         help
678           This selects support for the SD/MMC controller on Ingenic JZ4740
679           SoCs.
680           If you have a board based on such a SoC and with a SD/MMC slot,
681           say Y or M here.
682 
683 config MMC_VUB300
684         tristate "VUB300 USB to SDIO/SD/MMC Host Controller support"
685         depends on USB
686         help
687           This selects support for Elan Digital Systems' VUB300 chip.
688 
689           The VUB300 is a USB-SDIO Host Controller Interface chip
690           that enables the host computer to use SDIO/SD/MMC cards
691           via a USB 2.0 or USB 1.1 host.
692 
693           The VUB300 chip will be found in both physically separate
694           USB to SDIO/SD/MMC adapters and embedded on some motherboards.
695 
696           The VUB300 chip supports SD and MMC memory cards in addition
697           to single and multifunction SDIO cards.
698 
699           Some SDIO cards will need a firmware file to be loaded and
700           sent to VUB300 chip in order to achieve better data throughput.
701           Download these "Offload Pseudocode" from Elan Digital Systems'
702           web-site http://www.elandigitalsystems.com/support/downloads.php
703           and put them in /lib/firmware. Note that without these additional
704           firmware files the VUB300 chip will still function, but not at
705           the best obtainable data rate.
706 
707           To compile this mmc host controller driver as a module,
708           choose M here: the module will be called vub300.
709 
710           If you have a computer with an embedded VUB300 chip
711           or if you intend connecting a USB adapter based on a
712           VUB300 chip say Y or M here.
713 
714 config MMC_USHC
715         tristate "USB SD Host Controller (USHC) support"
716         depends on USB
717         help
718           This selects support for USB SD Host Controllers based on
719           the Cypress Astoria chip with firmware compliant with CSR's
720           USB SD Host Controller specification (CS-118793-SP).
721 
722           CSR boards with this device include: USB<>SDIO (M1985v2),
723           and Ultrasira.
724 
725           Note: These controllers only support SDIO cards and do not
726           support MMC or SD memory cards.
727 
728 config MMC_WMT
729         tristate "Wondermedia SD/MMC Host Controller support"
730         depends on ARCH_VT8500
731         default y
732         help
733           This selects support for the SD/MMC Host Controller on
734           Wondermedia WM8505/WM8650 based SoCs.
735 
736           To compile this driver as a module, choose M here: the
737           module will be called wmt-sdmmc.
738 
739 config MMC_USDHI6ROL0
740         tristate "Renesas USDHI6ROL0 SD/SDIO Host Controller support"
741         depends on HAS_DMA
742         help
743           This selects support for the Renesas USDHI6ROL0 SD/SDIO
744           Host Controller
745 
746 config MMC_REALTEK_PCI
747         tristate "Realtek PCI-E SD/MMC Card Interface Driver"
748         depends on MFD_RTSX_PCI
749         help
750           Say Y here to include driver code to support SD/MMC card interface
751           of Realtek PCI-E card reader
752 
753 config MMC_REALTEK_USB
754         tristate "Realtek USB SD/MMC Card Interface Driver"
755         depends on MFD_RTSX_USB
756         help
757           Say Y here to include driver code to support SD/MMC card interface
758           of Realtek RTS5129/39 series card reader
759 
760 config MMC_SUNXI
761         tristate "Allwinner sunxi SD/MMC Host Controller support"
762         depends on ARCH_SUNXI
763         help
764           This selects support for the SD/MMC Host Controller on
765           Allwinner sunxi SoCs.
766 
767 config MMC_TOSHIBA_PCI
768         tristate "Toshiba Type A SD/MMC Card Interface Driver"
769         depends on PCI
770         help

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