xref: /openbmc/linux/drivers/mmc/host/Kconfig (revision 72976643)
1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only
21c6a0718SPierre Ossman#
31c6a0718SPierre Ossman# MMC/SD host controller drivers
41c6a0718SPierre Ossman#
51c6a0718SPierre Ossman
657105737SPierre Ossmancomment "MMC/SD/SDIO Host Controller Drivers"
71c6a0718SPierre Ossman
803596b92SShawn Linconfig MMC_DEBUG
9b4f146f5SWolfram Sang	bool "MMC host drivers debugging"
1003596b92SShawn Lin	depends on MMC != n
1103596b92SShawn Lin	help
1203596b92SShawn Lin	  This is an option for use by developers; most people should
1303596b92SShawn Lin	  say N here. This enables MMC host driver debugging. And further
1403596b92SShawn Lin	  added host drivers please don't invent their private macro for
1503596b92SShawn Lin	  debugging.
1603596b92SShawn Lin
171c6a0718SPierre Ossmanconfig MMC_ARMMMCI
181c6a0718SPierre Ossman	tristate "ARM AMBA Multimedia Card Interface support"
19790864dcSJan Engelhardt	depends on ARM_AMBA
201c6a0718SPierre Ossman	help
211c6a0718SPierre Ossman	  This selects the ARM(R) AMBA(R) PrimeCell Multimedia Card
221c6a0718SPierre Ossman	  Interface (PL180 and PL181) support.  If you have an ARM(R)
231c6a0718SPierre Ossman	  platform with a Multimedia Card slot, say Y or M here.
241c6a0718SPierre Ossman
251c6a0718SPierre Ossman	  If unsure, say N.
261c6a0718SPierre Ossman
279cb15142SSrinivas Kandagatlaconfig MMC_QCOM_DML
281ac99066SSrinivas Kandagatla	bool "Qualcomm Data Mover for SD Card Controller"
299cb15142SSrinivas Kandagatla	depends on MMC_ARMMMCI && QCOM_BAM_DMA
309cb15142SSrinivas Kandagatla	default y
319cb15142SSrinivas Kandagatla	help
329cb15142SSrinivas Kandagatla	  This selects the Qualcomm Data Mover lite/local on SD Card controller.
339cb15142SSrinivas Kandagatla	  This option will enable the dma to work correctly, if you are using
349cb15142SSrinivas Kandagatla	  Qcom SOCs and MMC, you would probably need this option to get DMA working.
359cb15142SSrinivas Kandagatla
369cb15142SSrinivas Kandagatla	  if unsure, say N.
379cb15142SSrinivas Kandagatla
3846b723ddSLudovic Barreconfig MMC_STM32_SDMMC
3946b723ddSLudovic Barre	bool "STMicroelectronics STM32 SDMMC Controller"
4046b723ddSLudovic Barre	depends on MMC_ARMMMCI
4146b723ddSLudovic Barre	default y
4246b723ddSLudovic Barre	help
4346b723ddSLudovic Barre	  This selects the STMicroelectronics STM32 SDMMC host controller.
4446b723ddSLudovic Barre	  If you have a STM32 sdmmc host with internal DMA say Y here.
4546b723ddSLudovic Barre
4646b723ddSLudovic Barre	  If unsure, say N.
4746b723ddSLudovic Barre
481c6a0718SPierre Ossmanconfig MMC_PXA
491c6a0718SPierre Ossman	tristate "Intel PXA25x/26x/27x Multimedia Card Interface support"
50790864dcSJan Engelhardt	depends on ARCH_PXA
511c6a0718SPierre Ossman	help
521c6a0718SPierre Ossman	  This selects the Intel(R) PXA(R) Multimedia card Interface.
531c6a0718SPierre Ossman	  If you have a PXA(R) platform with a Multimedia Card slot,
541c6a0718SPierre Ossman	  say Y or M here.
551c6a0718SPierre Ossman
561c6a0718SPierre Ossman	  If unsure, say N.
571c6a0718SPierre Ossman
581c6a0718SPierre Ossmanconfig MMC_SDHCI
5934671dc2SPierre Ossman	tristate "Secure Digital Host Controller Interface support"
60b8c86fc5SPierre Ossman	depends on HAS_DMA
611c6a0718SPierre Ossman	help
62b8c86fc5SPierre Ossman	  This selects the generic Secure Digital Host Controller Interface.
631c6a0718SPierre Ossman	  It is used by manufacturers such as Texas Instruments(R), Ricoh(R)
641c6a0718SPierre Ossman	  and Toshiba(R). Most controllers found in laptops are of this type.
65b8c86fc5SPierre Ossman
66b8c86fc5SPierre Ossman	  If you have a controller with this interface, say Y or M here. You
67b8c86fc5SPierre Ossman	  also need to enable an appropriate bus interface.
68b8c86fc5SPierre Ossman
69b8c86fc5SPierre Ossman	  If unsure, say N.
70b8c86fc5SPierre Ossman
714e4141a5SAnton Vorontsovconfig MMC_SDHCI_IO_ACCESSORS
724e4141a5SAnton Vorontsov	bool
734e4141a5SAnton Vorontsov	depends on MMC_SDHCI
744e4141a5SAnton Vorontsov	help
754e4141a5SAnton Vorontsov	  This is silent Kconfig symbol that is selected by the drivers that
764e4141a5SAnton Vorontsov	  need to overwrite SDHCI IO memory accessors.
774e4141a5SAnton Vorontsov
787657c3a7SAlbert Herranzconfig MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
797657c3a7SAlbert Herranz	bool
8082813b71SJean Delvare	depends on MMC_SDHCI
817657c3a7SAlbert Herranz	select MMC_SDHCI_IO_ACCESSORS
827657c3a7SAlbert Herranz	help
837657c3a7SAlbert Herranz	  This option is selected by drivers running on big endian hosts
847657c3a7SAlbert Herranz	  and performing I/O to a SDHCI controller through a bus that
857657c3a7SAlbert Herranz	  implements a hardware byte swapper using a 32-bit datum.
867657c3a7SAlbert Herranz	  This endian mapping mode is called "data invariance" and
877657c3a7SAlbert Herranz	  has the effect of scrambling the addresses and formats of data
887657c3a7SAlbert Herranz	  accessed in sizes other than the datum size.
897657c3a7SAlbert Herranz
902ca63524Syangbo lu	  This is the case for the Nintendo Wii SDHCI.
917657c3a7SAlbert Herranz
92b8c86fc5SPierre Ossmanconfig MMC_SDHCI_PCI
93b8c86fc5SPierre Ossman	tristate "SDHCI support on PCI bus"
94b8c86fc5SPierre Ossman	depends on MMC_SDHCI && PCI
958ee82bdaSAdrian Hunter	select MMC_CQHCI
960a49a619SAdrian Hunter	select IOSF_MBI if X86
97b8c86fc5SPierre Ossman	help
98b8c86fc5SPierre Ossman	  This selects the PCI Secure Digital Host Controller Interface.
99b8c86fc5SPierre Ossman	  Most controllers found today are PCI devices.
100b8c86fc5SPierre Ossman
1011c6a0718SPierre Ossman	  If you have a controller with this interface, say Y or M here.
1021c6a0718SPierre Ossman
1031c6a0718SPierre Ossman	  If unsure, say N.
1041c6a0718SPierre Ossman
1055ae70296SPhilip Langdaleconfig MMC_RICOH_MMC
10686147c84SKees Cook	bool "Ricoh MMC Controller Disabler"
107b8c86fc5SPierre Ossman	depends on MMC_SDHCI_PCI
108ba2f7325SJean Delvare	default y
1095ae70296SPhilip Langdale	help
11003cd8f7eSMaxim Levitsky	  This adds a pci quirk to disable Ricoh MMC Controller. This
1115ae70296SPhilip Langdale	  proprietary controller is unnecessary because the SDHCI driver
1125ae70296SPhilip Langdale	  supports MMC cards on the SD controller, but if it is not
1135ae70296SPhilip Langdale	  disabled, it will steal the MMC cards away - rendering them
11403cd8f7eSMaxim Levitsky	  useless. It is safe to select this even if you don't
1155ae70296SPhilip Langdale	  have a Ricoh based card reader.
1165ae70296SPhilip Langdale
1175ae70296SPhilip Langdale	  If unsure, say Y.
1185ae70296SPhilip Langdale
119c4e05037SAdrian Hunterconfig MMC_SDHCI_ACPI
120c4e05037SAdrian Hunter	tristate "SDHCI support for ACPI enumerated SDHCI controllers"
121c2eda8abSSinan Kaya	depends on MMC_SDHCI && ACPI && PCI
1226e1c7d61SAdrian Hunter	select IOSF_MBI if X86
123c4e05037SAdrian Hunter	help
124c4e05037SAdrian Hunter	  This selects support for ACPI enumerated SDHCI controllers,
125c4e05037SAdrian Hunter	  identified by ACPI Compatibility ID PNP0D40 or specific
126c4e05037SAdrian Hunter	  ACPI Hardware IDs.
127c4e05037SAdrian Hunter
128c4e05037SAdrian Hunter	  If you have a controller with this interface, say Y or M here.
129c4e05037SAdrian Hunter
130c4e05037SAdrian Hunter	  If unsure, say N.
131c4e05037SAdrian Hunter
132f0de8369SShawn Guoconfig MMC_SDHCI_PLTFM
133f0de8369SShawn Guo	tristate "SDHCI platform and OF driver helper"
13438576af1SShawn Guo	depends on MMC_SDHCI
135f0de8369SShawn Guo	help
136f0de8369SShawn Guo	  This selects the common helper functions support for Secure Digital
137f0de8369SShawn Guo	  Host Controller Interface based platform and OF drivers.
138f0de8369SShawn Guo
139f0de8369SShawn Guo	  If you have a controller with this interface, say Y or M here.
140f0de8369SShawn Guo
141f0de8369SShawn Guo	  If unsure, say N.
142f0de8369SShawn Guo
143e3ec3a3dSSoren Brinkmannconfig MMC_SDHCI_OF_ARASAN
144e3ec3a3dSSoren Brinkmann	tristate "SDHCI OF support for the Arasan SDHCI controllers"
145e3ec3a3dSSoren Brinkmann	depends on MMC_SDHCI_PLTFM
146e3ec3a3dSSoren Brinkmann	depends on OF
147c390f211SDouglas Anderson	depends on COMMON_CLK
14884362d79SShawn Lin	select MMC_CQHCI
149e3ec3a3dSSoren Brinkmann	help
150e3ec3a3dSSoren Brinkmann	  This selects the Arasan Secure Digital Host Controller Interface
151e3ec3a3dSSoren Brinkmann	  (SDHCI). This hardware is found e.g. in Xilinx' Zynq SoC.
152e3ec3a3dSSoren Brinkmann
153e3ec3a3dSSoren Brinkmann	  If you have a controller with this interface, say Y or M here.
154e3ec3a3dSSoren Brinkmann
155e3ec3a3dSSoren Brinkmann	  If unsure, say N.
156e3ec3a3dSSoren Brinkmann
157bb7b8ec6SAndrew Jefferyconfig MMC_SDHCI_OF_ASPEED
158bb7b8ec6SAndrew Jeffery	tristate "SDHCI OF support for the ASPEED SDHCI controller"
159bb7b8ec6SAndrew Jeffery	depends on MMC_SDHCI_PLTFM
16072976643SAndrew Jeffery	depends on OF && OF_ADDRESS
161bb7b8ec6SAndrew Jeffery	help
162bb7b8ec6SAndrew Jeffery	  This selects the ASPEED Secure Digital Host Controller Interface.
163bb7b8ec6SAndrew Jeffery
164bb7b8ec6SAndrew Jeffery	  If you have a controller with this interface, say Y or M here. You
165bb7b8ec6SAndrew Jeffery	  also need to enable an appropriate bus interface.
166bb7b8ec6SAndrew Jeffery
167bb7b8ec6SAndrew Jeffery	  If unsure, say N.
168bb7b8ec6SAndrew Jeffery
169bb5f8ea4Sludovic.desroches@atmel.comconfig MMC_SDHCI_OF_AT91
170bb5f8ea4Sludovic.desroches@atmel.com	tristate "SDHCI OF support for the Atmel SDMMC controller"
171bb5f8ea4Sludovic.desroches@atmel.com	depends on MMC_SDHCI_PLTFM
172bb5f8ea4Sludovic.desroches@atmel.com	depends on OF
173bb5f8ea4Sludovic.desroches@atmel.com	help
174bb5f8ea4Sludovic.desroches@atmel.com	  This selects the Atmel SDMMC driver
175bb5f8ea4Sludovic.desroches@atmel.com
176f0de8369SShawn Guoconfig MMC_SDHCI_OF_ESDHC
177f0de8369SShawn Guo	tristate "SDHCI OF support for the Freescale eSDHC controller"
178f0de8369SShawn Guo	depends on MMC_SDHCI_PLTFM
1792ca63524Syangbo lu	depends on PPC || ARCH_MXC || ARCH_LAYERSCAPE
1802ca63524Syangbo lu	select MMC_SDHCI_IO_ACCESSORS
181151ede40Syangbo lu	select FSL_GUTS
1827657c3a7SAlbert Herranz	help
1837657c3a7SAlbert Herranz	  This selects the Freescale eSDHC controller support.
1843085e9c1SAnton Vorontsov
185f0de8369SShawn Guo	  If you have a controller with this interface, say Y or M here.
186f0de8369SShawn Guo
1873085e9c1SAnton Vorontsov	  If unsure, say N.
1883085e9c1SAnton Vorontsov
1891144ab5dSAlbert Herranzconfig MMC_SDHCI_OF_HLWD
190f0de8369SShawn Guo	tristate "SDHCI OF support for the Nintendo Wii SDHCI controllers"
191f0de8369SShawn Guo	depends on MMC_SDHCI_PLTFM
1925f2e097cSKevin Hao	depends on PPC
1931144ab5dSAlbert Herranz	select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
1941144ab5dSAlbert Herranz	help
1951144ab5dSAlbert Herranz	  This selects the Secure Digital Host Controller Interface (SDHCI)
1961144ab5dSAlbert Herranz	  found in the "Hollywood" chipset of the Nintendo Wii video game
1971144ab5dSAlbert Herranz	  console.
1981144ab5dSAlbert Herranz
199f0de8369SShawn Guo	  If you have a controller with this interface, say Y or M here.
200f0de8369SShawn Guo
2011144ab5dSAlbert Herranz	  If unsure, say N.
2021144ab5dSAlbert Herranz
203e438cf49SJisheng Zhangconfig MMC_SDHCI_OF_DWCMSHC
204e438cf49SJisheng Zhang	tristate "SDHCI OF support for the Synopsys DWC MSHC"
205e438cf49SJisheng Zhang	depends on MMC_SDHCI_PLTFM
206e438cf49SJisheng Zhang	depends on OF
207e438cf49SJisheng Zhang	depends on COMMON_CLK
208e438cf49SJisheng Zhang	help
209e438cf49SJisheng Zhang	  This selects Synopsys DesignWare Cores Mobile Storage Controller
210e438cf49SJisheng Zhang	  support.
211e438cf49SJisheng Zhang	  If you have a controller with this interface, say Y or M here.
212e438cf49SJisheng Zhang	  If unsure, say N.
213e438cf49SJisheng Zhang
214ff6af28fSMasahiro Yamadaconfig MMC_SDHCI_CADENCE
215ff6af28fSMasahiro Yamada	tristate "SDHCI support for the Cadence SD/SDIO/eMMC controller"
216ff6af28fSMasahiro Yamada	depends on MMC_SDHCI_PLTFM
217ff6af28fSMasahiro Yamada	depends on OF
218ff6af28fSMasahiro Yamada	help
219ff6af28fSMasahiro Yamada	  This selects the Cadence SD/SDIO/eMMC driver.
220ff6af28fSMasahiro Yamada
221ff6af28fSMasahiro Yamada	  If you have a controller with this interface, say Y or M here.
222ff6af28fSMasahiro Yamada
223ff6af28fSMasahiro Yamada	  If unsure, say N.
224ff6af28fSMasahiro Yamada
22520b1597bSAnton Vorontsovconfig MMC_SDHCI_CNS3XXX
22685d6509dSShawn Guo	tristate "SDHCI support on the Cavium Networks CNS3xxx SoC"
22720b1597bSAnton Vorontsov	depends on ARCH_CNS3XXX
228f0de8369SShawn Guo	depends on MMC_SDHCI_PLTFM
22920b1597bSAnton Vorontsov	help
23020b1597bSAnton Vorontsov	  This selects the SDHCI support for CNS3xxx System-on-Chip devices.
23120b1597bSAnton Vorontsov
232f0de8369SShawn Guo	  If you have a controller with this interface, say Y or M here.
233f0de8369SShawn Guo
23420b1597bSAnton Vorontsov	  If unsure, say N.
23520b1597bSAnton Vorontsov
23695f25efeSWolfram Sangconfig MMC_SDHCI_ESDHC_IMX
23795a2482aSShawn Guo	tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller"
2382b795518SSascha Hauer	depends on ARCH_MXC
239f0de8369SShawn Guo	depends on MMC_SDHCI_PLTFM
24095f25efeSWolfram Sang	select MMC_SDHCI_IO_ACCESSORS
241bb6e3581SBOUGH CHEN	select MMC_CQHCI
24295f25efeSWolfram Sang	help
24395a2482aSShawn Guo	  This selects the Freescale eSDHC/uSDHC controller support
24495a2482aSShawn Guo	  found on i.MX25, i.MX35 i.MX5x and i.MX6x.
24595f25efeSWolfram Sang
246f0de8369SShawn Guo	  If you have a controller with this interface, say Y or M here.
247f0de8369SShawn Guo
24895f25efeSWolfram Sang	  If unsure, say N.
24995f25efeSWolfram Sang
250985b1aa0SMike Rapoportconfig MMC_SDHCI_DOVE
25185d6509dSShawn Guo	tristate "SDHCI support on Marvell's Dove SoC"
252ec4422acSSebastian Hesselbarth	depends on ARCH_DOVE || MACH_DOVE
253f0de8369SShawn Guo	depends on MMC_SDHCI_PLTFM
254985b1aa0SMike Rapoport	select MMC_SDHCI_IO_ACCESSORS
255985b1aa0SMike Rapoport	help
256985b1aa0SMike Rapoport	  This selects the Secure Digital Host Controller Interface in
257985b1aa0SMike Rapoport	  Marvell's Dove SoC.
258985b1aa0SMike Rapoport
259f0de8369SShawn Guo	  If you have a controller with this interface, say Y or M here.
260f0de8369SShawn Guo
261985b1aa0SMike Rapoport	  If unsure, say N.
262985b1aa0SMike Rapoport
26303d2bfc8SOlof Johanssonconfig MMC_SDHCI_TEGRA
26485d6509dSShawn Guo	tristate "SDHCI platform support for the Tegra SD/MMC Controller"
26585d6509dSShawn Guo	depends on ARCH_TEGRA
266f0de8369SShawn Guo	depends on MMC_SDHCI_PLTFM
26703d2bfc8SOlof Johansson	select MMC_SDHCI_IO_ACCESSORS
2683c4019f9SSowjanya Komatineni	select MMC_CQHCI
26903d2bfc8SOlof Johansson	help
27003d2bfc8SOlof Johansson	  This selects the Tegra SD/MMC controller. If you have a Tegra
27103d2bfc8SOlof Johansson	  platform with SD or MMC devices, say Y or M here.
27203d2bfc8SOlof Johansson
27303d2bfc8SOlof Johansson	  If unsure, say N.
27403d2bfc8SOlof Johansson
2750d1bb41aSBen Dooksconfig MMC_SDHCI_S3C
2760d1bb41aSBen Dooks	tristate "SDHCI support on Samsung S3C SoC"
277930a6f70SKyungmin Park	depends on MMC_SDHCI && PLAT_SAMSUNG
2780d1bb41aSBen Dooks	help
2790d1bb41aSBen Dooks	  This selects the Secure Digital Host Controller Interface (SDHCI)
2800d1bb41aSBen Dooks	  often referrered to as the HSMMC block in some of the Samsung S3C
2810d1bb41aSBen Dooks	  range of SoC.
2820d1bb41aSBen Dooks
2830d1bb41aSBen Dooks	  If you have a controller with this interface, say Y or M here.
2840d1bb41aSBen Dooks
2850d1bb41aSBen Dooks	  If unsure, say N.
2860d1bb41aSBen Dooks
287b3b665b0SBarry Songconfig MMC_SDHCI_SIRF
288b3b665b0SBarry Song	tristate "SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs"
289b3b665b0SBarry Song	depends on ARCH_SIRF
290b3b665b0SBarry Song	depends on MMC_SDHCI_PLTFM
291a1b0b977SWeijun Yang	select MMC_SDHCI_IO_ACCESSORS
292b3b665b0SBarry Song	help
293b3b665b0SBarry Song	  This selects the SDHCI support for SiRF System-on-Chip devices.
294b3b665b0SBarry Song
295b3b665b0SBarry Song	  If you have a controller with this interface, say Y or M here.
296b3b665b0SBarry Song
297b3b665b0SBarry Song	  If unsure, say N.
298b3b665b0SBarry Song
299a702c8abSZhangfei Gaoconfig MMC_SDHCI_PXAV3
300a702c8abSZhangfei Gao	tristate "Marvell MMP2 SD Host Controller support (PXAV3)"
301a702c8abSZhangfei Gao	depends on CLKDEV_LOOKUP
3025d01b768SArnd Bergmann	depends on MMC_SDHCI_PLTFM
303daa3054fSJean Delvare	depends on ARCH_BERLIN || ARCH_MMP || ARCH_MVEBU || COMPILE_TEST
304a702c8abSZhangfei Gao	default CPU_MMP2
305a702c8abSZhangfei Gao	help
306a702c8abSZhangfei Gao	  This selects the Marvell(R) PXAV3 SD Host Controller.
307a702c8abSZhangfei Gao	  If you have a MMP2 platform with SD Host Controller
308a702c8abSZhangfei Gao	  and a card slot, say Y or M here.
309a702c8abSZhangfei Gao
310a702c8abSZhangfei Gao	  If unsure, say N.
311a702c8abSZhangfei Gao
3129f5d71e4SZhangfei Gaoconfig MMC_SDHCI_PXAV2
3139f5d71e4SZhangfei Gao	tristate "Marvell PXA9XX SD Host Controller support (PXAV2)"
3149f5d71e4SZhangfei Gao	depends on CLKDEV_LOOKUP
3155d01b768SArnd Bergmann	depends on MMC_SDHCI_PLTFM
3168a8735ebSJean Delvare	depends on ARCH_MMP || COMPILE_TEST
3179f5d71e4SZhangfei Gao	default CPU_PXA910
3189f5d71e4SZhangfei Gao	help
3199f5d71e4SZhangfei Gao	  This selects the Marvell(R) PXAV2 SD Host Controller.
3209f5d71e4SZhangfei Gao	  If you have a PXA9XX platform with SD Host Controller
3219f5d71e4SZhangfei Gao	  and a card slot, say Y or M here.
3229f5d71e4SZhangfei Gao
3239f5d71e4SZhangfei Gao	  If unsure, say N.
3249f5d71e4SZhangfei Gao
325c63b3cbaSViresh KUMARconfig MMC_SDHCI_SPEAR
326c63b3cbaSViresh KUMAR	tristate "SDHCI support on ST SPEAr platform"
327c63b3cbaSViresh KUMAR	depends on MMC_SDHCI && PLAT_SPEAR
328bbd7f0a2SUlf Hansson	depends on OF
329c63b3cbaSViresh KUMAR	help
330c63b3cbaSViresh KUMAR	  This selects the Secure Digital Host Controller Interface (SDHCI)
331c63b3cbaSViresh KUMAR	  often referrered to as the HSMMC block in some of the ST SPEAR range
332c63b3cbaSViresh KUMAR	  of SoC
333c63b3cbaSViresh KUMAR
334c63b3cbaSViresh KUMAR	  If you have a controller with this interface, say Y or M here.
335c63b3cbaSViresh KUMAR
336c63b3cbaSViresh KUMAR	  If unsure, say N.
337c63b3cbaSViresh KUMAR
3380d1bb41aSBen Dooksconfig MMC_SDHCI_S3C_DMA
3390d1bb41aSBen Dooks	bool "DMA support on S3C SDHCI"
34086147c84SKees Cook	depends on MMC_SDHCI_S3C
3410d1bb41aSBen Dooks	help
3420d1bb41aSBen Dooks	  Enable DMA support on the Samsung S3C SDHCI glue. The DMA
3430d1bb41aSBen Dooks	  has proved to be problematic if the controller encounters
3440d1bb41aSBen Dooks	  certain errors, and thus should be treated with care.
3450d1bb41aSBen Dooks
3460d1bb41aSBen Dooks	  YMMV.
3470d1bb41aSBen Dooks
34801ebea1bSChristian Daudtconfig MMC_SDHCI_BCM_KONA
34901ebea1bSChristian Daudt	tristate "SDHCI support on Broadcom KONA platform"
350fc2bd2e4SChristian Daudt	depends on ARCH_BCM_MOBILE
3515d01b768SArnd Bergmann	depends on MMC_SDHCI_PLTFM
35201ebea1bSChristian Daudt	help
35301ebea1bSChristian Daudt	  This selects the Broadcom Kona Secure Digital Host Controller
35401ebea1bSChristian Daudt	  Interface(SDHCI) support.
35501ebea1bSChristian Daudt	  This is used in Broadcom mobile SoCs.
35601ebea1bSChristian Daudt
35701ebea1bSChristian Daudt	  If you have a controller with this interface, say Y or M here.
35801ebea1bSChristian Daudt
35987a50745SVincent Yangconfig MMC_SDHCI_F_SDH30
36087a50745SVincent Yang	tristate "SDHCI support for Fujitsu Semiconductor F_SDH30"
36187a50745SVincent Yang	depends on MMC_SDHCI_PLTFM
36290e1d8ccSArd Biesheuvel	depends on OF || ACPI
36387a50745SVincent Yang	help
36487a50745SVincent Yang	  This selects the Secure Digital Host Controller Interface (SDHCI)
36587a50745SVincent Yang	  Needed by some Fujitsu SoC for MMC / SD / SDIO support.
36687a50745SVincent Yang	  If you have a controller with this interface, say Y or M here.
36787a50745SVincent Yang
36887a50745SVincent Yang	  If unsure, say N.
36987a50745SVincent Yang
370b580c52dSScott Brandenconfig MMC_SDHCI_IPROC
37177cb7d3aSStefan Wahren	tristate "SDHCI support for the BCM2835 & iProc SD/MMC Controller"
37277cb7d3aSStefan Wahren	depends on ARCH_BCM2835 || ARCH_BCM_IPROC || COMPILE_TEST
373b580c52dSScott Branden	depends on MMC_SDHCI_PLTFM
3747c7ba433SSrinath Mannam	depends on OF || ACPI
375b580c52dSScott Branden	default ARCH_BCM_IPROC
376b580c52dSScott Branden	select MMC_SDHCI_IO_ACCESSORS
377b580c52dSScott Branden	help
378b580c52dSScott Branden	  This selects the iProc SD/MMC controller.
379b580c52dSScott Branden
38077cb7d3aSStefan Wahren	  If you have a BCM2835 or IPROC platform with SD or MMC devices,
381b580c52dSScott Branden	  say Y or M here.
382b580c52dSScott Branden
383b580c52dSScott Branden	  If unsure, say N.
384b580c52dSScott Branden
38551c5d844SKevin Hilmanconfig MMC_MESON_GX
386e79dc1b4SNan Li	tristate "Amlogic S905/GX*/AXG SD/MMC Host Controller support"
38751c5d844SKevin Hilman	depends on ARCH_MESON && MMC
38851c5d844SKevin Hilman	help
38951c5d844SKevin Hilman	  This selects support for the Amlogic SD/MMC Host Controller
390e79dc1b4SNan Li	  found on the S905/GX*/AXG family of SoCs.  This controller is
39151c5d844SKevin Hilman	  MMC 5.1 compliant and supports SD, eMMC and SDIO interfaces.
39251c5d844SKevin Hilman
39351c5d844SKevin Hilman	  If you have a controller with this interface, say Y here.
39451c5d844SKevin Hilman
395ed80a13bSCarlo Caioneconfig MMC_MESON_MX_SDIO
396ed80a13bSCarlo Caione	tristate "Amlogic Meson6/Meson8/Meson8b SD/MMC Host Controller support"
397ed80a13bSCarlo Caione	depends on ARCH_MESON || COMPILE_TEST
398ed80a13bSCarlo Caione	depends on COMMON_CLK
399ed80a13bSCarlo Caione	depends on OF
400ed80a13bSCarlo Caione	help
401ed80a13bSCarlo Caione	  This selects support for the SD/MMC Host Controller on
402ed80a13bSCarlo Caione	  Amlogic Meson6, Meson8 and Meson8b SoCs.
403ed80a13bSCarlo Caione
404ed80a13bSCarlo Caione	  If you have a controller with this interface, say Y or M here.
405ed80a13bSCarlo Caione	  If unsure, say N.
406ed80a13bSCarlo Caione
4071b66e94eSJonas Jensenconfig MMC_MOXART
4081b66e94eSJonas Jensen	tristate "MOXART SD/MMC Host Controller support"
4091b66e94eSJonas Jensen	depends on ARCH_MOXART && MMC
4101b66e94eSJonas Jensen	help
4111b66e94eSJonas Jensen	  This selects support for the MOXART SD/MMC Host Controller.
4121b66e94eSJonas Jensen	  MOXA provides one multi-functional card reader which can
4131b66e94eSJonas Jensen	  be found on some embedded hardware such as UC-7112-LX.
4141b66e94eSJonas Jensen	  If you have a controller with this interface, say Y here.
4151b66e94eSJonas Jensen
416f52d9c4fSPeter Griffinconfig MMC_SDHCI_ST
417f52d9c4fSPeter Griffin	tristate "SDHCI support on STMicroelectronics SoC"
4182feada5bSIvan Mikhaylov	depends on ARCH_STI || FSP2
419f52d9c4fSPeter Griffin	depends on MMC_SDHCI_PLTFM
420f52d9c4fSPeter Griffin	select MMC_SDHCI_IO_ACCESSORS
421f52d9c4fSPeter Griffin	help
422f52d9c4fSPeter Griffin	  This selects the Secure Digital Host Controller Interface in
423f52d9c4fSPeter Griffin	  STMicroelectronics SoCs.
424f52d9c4fSPeter Griffin
425f52d9c4fSPeter Griffin	  If you have a controller with this interface, say Y or M here.
426f52d9c4fSPeter Griffin	  If unsure, say N.
427f52d9c4fSPeter Griffin
4281c6a0718SPierre Ossmanconfig MMC_OMAP
4291c6a0718SPierre Ossman	tristate "TI OMAP Multimedia Card Interface support"
430790864dcSJan Engelhardt	depends on ARCH_OMAP
43160a549fcSArnd Bergmann	depends on TPS65010 || !MACH_OMAP_H2
4321c6a0718SPierre Ossman	help
4331c6a0718SPierre Ossman	  This selects the TI OMAP Multimedia card Interface.
4341c6a0718SPierre Ossman	  If you have an OMAP board with a Multimedia Card slot,
4351c6a0718SPierre Ossman	  say Y or M here.
4361c6a0718SPierre Ossman
4371c6a0718SPierre Ossman	  If unsure, say N.
4381c6a0718SPierre Ossman
439a45c6cb8SMadhusudhan Chikkatureconfig MMC_OMAP_HS
440a45c6cb8SMadhusudhan Chikkature	tristate "TI OMAP High Speed Multimedia Card Interface support"
441a7cedab6SLokesh Vutla	depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST
442a45c6cb8SMadhusudhan Chikkature	help
443a45c6cb8SMadhusudhan Chikkature	  This selects the TI OMAP High Speed Multimedia card Interface.
444bcf24e1dSAmarinder Bindra	  If you have an omap2plus board with a Multimedia Card slot,
445bcf24e1dSAmarinder Bindra	  say Y or M here.
446a45c6cb8SMadhusudhan Chikkature
447a45c6cb8SMadhusudhan Chikkature	  If unsure, say N.
448a45c6cb8SMadhusudhan Chikkature
4491c6a0718SPierre Ossmanconfig MMC_WBSD
4501c6a0718SPierre Ossman	tristate "Winbond W83L51xD SD/MMC Card Interface support"
451790864dcSJan Engelhardt	depends on ISA_DMA_API
4521c6a0718SPierre Ossman	help
4531c6a0718SPierre Ossman	  This selects the Winbond(R) W83L51xD Secure digital and
4541c6a0718SPierre Ossman	  Multimedia card Interface.
4551c6a0718SPierre Ossman	  If you have a machine with a integrated W83L518D or W83L519D
4561c6a0718SPierre Ossman	  SD/MMC card reader, say Y or M here.
4571c6a0718SPierre Ossman
4581c6a0718SPierre Ossman	  If unsure, say N.
4591c6a0718SPierre Ossman
460c5413ad8SOleksij Rempelconfig MMC_ALCOR
461c5413ad8SOleksij Rempel	tristate "Alcor Micro/Alcor Link SD/MMC controller"
462c5413ad8SOleksij Rempel	depends on MISC_ALCOR_PCI
463c5413ad8SOleksij Rempel	help
464c5413ad8SOleksij Rempel	  Say Y here to include driver code to support SD/MMC card interface
465c5413ad8SOleksij Rempel	  of Alcor Micro PCI-E card reader
466c5413ad8SOleksij Rempel
4671c6a0718SPierre Ossmanconfig MMC_AU1X
4681c6a0718SPierre Ossman	tristate "Alchemy AU1XX0 MMC Card Interface support"
46937663860SManuel Lauss	depends on MIPS_ALCHEMY
4701c6a0718SPierre Ossman	help
4711c6a0718SPierre Ossman	  This selects the AMD Alchemy(R) Multimedia card interface.
4721c6a0718SPierre Ossman	  If you have a Alchemy platform with a MMC slot, say Y or M here.
4731c6a0718SPierre Ossman
4741c6a0718SPierre Ossman	  If unsure, say N.
4751c6a0718SPierre Ossman
4767d2be074SHaavard Skinnemoenconfig MMC_ATMELMCI
477d6a20debSLudovic Desroches	tristate "Atmel SD/MMC Driver (Multimedia Card Interface)"
478ef4b160fSAndy Shevchenko	depends on ARCH_AT91
4797d2be074SHaavard Skinnemoen	help
480ef4b160fSAndy Shevchenko	  This selects the Atmel Multimedia Card Interface driver.
481ef4b160fSAndy Shevchenko	  If you have an AT91 platform with a Multimedia Card slot,
482ef4b160fSAndy Shevchenko	  say Y or M here.
4837d2be074SHaavard Skinnemoen
4847d2be074SHaavard Skinnemoen	  If unsure, say N.
4857d2be074SHaavard Skinnemoen
4860eb0d9f4SGeorgi Djakovconfig MMC_SDHCI_MSM
4870eb0d9f4SGeorgi Djakov	tristate "Qualcomm SDHCI Controller Support"
4886096d7a8SGeorgi Djakov	depends on ARCH_QCOM || (ARM && COMPILE_TEST)
4890eb0d9f4SGeorgi Djakov	depends on MMC_SDHCI_PLTFM
49099d570daSVijay Viswanath	select MMC_SDHCI_IO_ACCESSORS
4910eb0d9f4SGeorgi Djakov	help
4920eb0d9f4SGeorgi Djakov	  This selects the Secure Digital Host Controller Interface (SDHCI)
4930eb0d9f4SGeorgi Djakov	  support present in Qualcomm SOCs. The controller supports
4940eb0d9f4SGeorgi Djakov	  SD/MMC/SDIO devices.
4950eb0d9f4SGeorgi Djakov
4960eb0d9f4SGeorgi Djakov	  If you have a controller with this interface, say Y or M here.
4970eb0d9f4SGeorgi Djakov
4980eb0d9f4SGeorgi Djakov	  If unsure, say N.
4990eb0d9f4SGeorgi Djakov
500d96be879SSascha Hauerconfig MMC_MXC
501c7ceab02SAnatolij Gustschin	tristate "Freescale i.MX21/27/31 or MPC512x Multimedia Card support"
502c7ceab02SAnatolij Gustschin	depends on ARCH_MXC || PPC_MPC512x
503d96be879SSascha Hauer	help
504c7ceab02SAnatolij Gustschin	  This selects the Freescale i.MX21, i.MX27, i.MX31 or MPC512x
505c7ceab02SAnatolij Gustschin	  Multimedia Card Interface. If you have an i.MX or MPC512x platform
506c7ceab02SAnatolij Gustschin	  with a Multimedia Card slot, say Y or M here.
507d96be879SSascha Hauer
508d96be879SSascha Hauer	  If unsure, say N.
509d96be879SSascha Hauer
510e4243f13SShawn Guoconfig MMC_MXS
511e4243f13SShawn Guo	tristate "Freescale MXS Multimedia Card Interface support"
512e4243f13SShawn Guo	depends on ARCH_MXS && MXS_DMA
513e4243f13SShawn Guo	help
514e4243f13SShawn Guo	  This selects the Freescale SSP MMC controller found on MXS based
515e4243f13SShawn Guo	  platforms like mx23/28.
516e4243f13SShawn Guo
517e4243f13SShawn Guo	  If unsure, say N.
518e4243f13SShawn Guo
5191c6a0718SPierre Ossmanconfig MMC_TIFM_SD
52086147c84SKees Cook	tristate "TI Flash Media MMC/SD Interface support"
52186147c84SKees Cook	depends on PCI
5221c6a0718SPierre Ossman	select TIFM_CORE
5231c6a0718SPierre Ossman	help
5241c6a0718SPierre Ossman	  Say Y here if you want to be able to access MMC/SD cards with
5251c6a0718SPierre Ossman	  the Texas Instruments(R) Flash Media card reader, found in many
5261c6a0718SPierre Ossman	  laptops.
5271c6a0718SPierre Ossman	  This option 'selects' (turns on, enables) 'TIFM_CORE', but you
5281c6a0718SPierre Ossman	  probably also need appropriate card reader host adapter, such as
5291c6a0718SPierre Ossman	  'Misc devices: TI Flash Media PCI74xx/PCI76xx host adapter support
5301c6a0718SPierre Ossman	  (TIFM_7XX1)'.
5311c6a0718SPierre Ossman
5321c6a0718SPierre Ossman	  To compile this driver as a module, choose M here: the
5331c6a0718SPierre Ossman	  module will be called tifm_sd.
5341c6a0718SPierre Ossman
535236caa7cSMaen Suleimanconfig MMC_MVSDIO
536236caa7cSMaen Suleiman	tristate "Marvell MMC/SD/SDIO host driver"
537236caa7cSMaen Suleiman	depends on PLAT_ORION
53817da6783SLinus Walleij	depends on OF
539236caa7cSMaen Suleiman	---help---
540236caa7cSMaen Suleiman	  This selects the Marvell SDIO host driver.
541236caa7cSMaen Suleiman	  SDIO may currently be found on the Kirkwood 88F6281 and 88F6192
542236caa7cSMaen Suleiman	  SoC controllers.
543236caa7cSMaen Suleiman
544236caa7cSMaen Suleiman	  To compile this driver as a module, choose M here: the
545236caa7cSMaen Suleiman	  module will be called mvsdio.
546236caa7cSMaen Suleiman
547b4cff454SVipin Bhandariconfig MMC_DAVINCI
548b4cff454SVipin Bhandari	tristate "TI DAVINCI Multimedia Card Interface support"
549b4cff454SVipin Bhandari	depends on ARCH_DAVINCI
550b4cff454SVipin Bhandari	help
551b4cff454SVipin Bhandari	  This selects the TI DAVINCI Multimedia card Interface.
552b4cff454SVipin Bhandari	  If you have an DAVINCI board with a Multimedia Card slot,
553b4cff454SVipin Bhandari	  say Y or M here.  If unsure, say N.
554b4cff454SVipin Bhandari
55585c34d2eSMike Lockwoodconfig MMC_GOLDFISH
55685c34d2eSMike Lockwood	tristate "goldfish qemu Multimedia Card Interface support"
5577f8a9a7eSLuis de Bethencourt	depends on GOLDFISH || COMPILE_TEST
55885c34d2eSMike Lockwood	help
55985c34d2eSMike Lockwood	  This selects the Goldfish Multimedia card Interface emulation
56085c34d2eSMike Lockwood	  found on the Goldfish Android virtual device emulation.
56185c34d2eSMike Lockwood
56215a0580cSDavid Brownellconfig MMC_SPI
56357105737SPierre Ossman	tristate "MMC/SD/SDIO over SPI"
564e176c255SIan Molton	depends on SPI_MASTER && HAS_DMA
56515a0580cSDavid Brownell	select CRC7
56615a0580cSDavid Brownell	select CRC_ITU_T
56715a0580cSDavid Brownell	help
568692105b8SMatt LaPlante	  Some systems access MMC/SD/SDIO cards using a SPI controller
56957105737SPierre Ossman	  instead of using a "native" MMC/SD/SDIO controller.  This has a
57057105737SPierre Ossman	  disadvantage of being relatively high overhead, but a compensating
57157105737SPierre Ossman	  advantage of working on many systems without dedicated MMC/SD/SDIO
57257105737SPierre Ossman	  controllers.
57315a0580cSDavid Brownell
57415a0580cSDavid Brownell	  If unsure, or if your system has no SPI master driver, say N.
57515a0580cSDavid Brownell
576be518018SThomas Kleffelconfig MMC_S3C
577be518018SThomas Kleffel	tristate "Samsung S3C SD/MMC Card Interface support"
578b130d5c2SKukjin Kim	depends on ARCH_S3C24XX
579b45e4b50SVasily Khoruzhick	depends on S3C24XX_DMAC
580be518018SThomas Kleffel	help
581be518018SThomas Kleffel	  This selects a driver for the MCI interface found in
582be518018SThomas Kleffel	  Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs.
583be518018SThomas Kleffel	  If you have a board based on one of those and a MMC/SD
584be518018SThomas Kleffel	  slot, say Y or M here.
585be518018SThomas Kleffel
586be518018SThomas Kleffel	  If unsure, say N.
587be518018SThomas Kleffel
5885a2c4fe0SBen Dooksconfig MMC_S3C_HW_SDIO_IRQ
5895a2c4fe0SBen Dooks	bool "Hardware support for SDIO IRQ"
5905a2c4fe0SBen Dooks	depends on MMC_S3C
5915a2c4fe0SBen Dooks	help
5925a2c4fe0SBen Dooks	  Enable the hardware support for SDIO interrupts instead of using
5935a2c4fe0SBen Dooks	  the generic polling code.
5945a2c4fe0SBen Dooks
59526f14947SBen Dookschoice
59626f14947SBen Dooks	prompt "Samsung S3C SD/MMC transfer code"
59726f14947SBen Dooks	depends on MMC_S3C
59826f14947SBen Dooks
59926f14947SBen Dooksconfig MMC_S3C_PIO
60026f14947SBen Dooks	bool "Use PIO transfers only"
60126f14947SBen Dooks	help
60226f14947SBen Dooks	  Use PIO to transfer data between memory and the hardware.
60326f14947SBen Dooks
60426f14947SBen Dooks	  PIO is slower than DMA as it requires CPU instructions to
60526f14947SBen Dooks	  move the data. This has been the traditional default for
60626f14947SBen Dooks	  the S3C MCI driver.
60726f14947SBen Dooks
60826f14947SBen Dooksconfig MMC_S3C_DMA
60986147c84SKees Cook	bool "Use DMA transfers only"
61026f14947SBen Dooks	help
61126f14947SBen Dooks	  Use DMA to transfer data between memory and the hardare.
61226f14947SBen Dooks
61326f14947SBen Dooks	  Currently, the DMA support in this driver seems to not be
61426f14947SBen Dooks	  working properly and needs to be debugged before this
61526f14947SBen Dooks	  option is useful.
61626f14947SBen Dooks
61726f14947SBen Dooksendchoice
61826f14947SBen Dooks
6196a36913aSSascha Sommerconfig MMC_SDRICOH_CS
62086147c84SKees Cook	tristate "MMC/SD driver for Ricoh Bay1Controllers"
62186147c84SKees Cook	depends on PCI && PCMCIA
6226a36913aSSascha Sommer	help
6236a36913aSSascha Sommer	  Say Y here if your Notebook reports a Ricoh Bay1Controller PCMCIA
6246a36913aSSascha Sommer	  card whenever you insert a MMC or SD card into the card slot.
6256a36913aSSascha Sommer
6266a36913aSSascha Sommer	  To compile this driver as a module, choose M here: the
6276a36913aSSascha Sommer	  module will be called sdricoh_cs.
6286a36913aSSascha Sommer
629fb8bd90fSChunyan Zhangconfig MMC_SDHCI_SPRD
630fb8bd90fSChunyan Zhang	tristate "Spreadtrum SDIO host Controller"
631fb8bd90fSChunyan Zhang	depends on ARCH_SPRD
632fb8bd90fSChunyan Zhang	depends on MMC_SDHCI_PLTFM
633fb8bd90fSChunyan Zhang	select MMC_SDHCI_IO_ACCESSORS
634fb8bd90fSChunyan Zhang	help
635fb8bd90fSChunyan Zhang	  This selects the SDIO Host Controller in Spreadtrum
636fb8bd90fSChunyan Zhang	  SoCs, this driver supports R11(IP version: R11P0).
637fb8bd90fSChunyan Zhang
638fb8bd90fSChunyan Zhang	  If you have a controller with this interface, say Y or M here.
639fb8bd90fSChunyan Zhang
640fb8bd90fSChunyan Zhang	  If unsure, say N.
641fb8bd90fSChunyan Zhang
642b6147490SGuennadi Liakhovetskiconfig MMC_TMIO_CORE
643b6147490SGuennadi Liakhovetski	tristate
644b6147490SGuennadi Liakhovetski
6454a48998fSIan Moltonconfig MMC_TMIO
6464a48998fSIan Molton	tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
64742051e8aSGuennadi Liakhovetski	depends on MFD_TMIO || MFD_ASIC3
648b6147490SGuennadi Liakhovetski	select MMC_TMIO_CORE
6494a48998fSIan Molton	help
6504a48998fSIan Molton	  This provides support for the SD/MMC cell found in TC6393XB,
651e6f2c7adSPhilipp Zabel	  T7L66XB and also HTC ASIC3
6525f5bac82SMichał Mirosław
65342051e8aSGuennadi Liakhovetskiconfig MMC_SDHI
654b5b6a5f4SSimon Horman	tristate "Renesas SDHI SD/SDIO controller support"
65549312c1fSSimon Horman	depends on SUPERH || ARCH_RENESAS || COMPILE_TEST
65642051e8aSGuennadi Liakhovetski	select MMC_TMIO_CORE
65742051e8aSGuennadi Liakhovetski	help
65842051e8aSGuennadi Liakhovetski	  This provides support for the SDHI SD/SDIO controller found in
659b5b6a5f4SSimon Horman	  Renesas SuperH, ARM and ARM64 based SoCs
66042051e8aSGuennadi Liakhovetski
6612a68ea78SSimon Hormanconfig MMC_SDHI_SYS_DMAC
6622a68ea78SSimon Horman	tristate "DMA for SDHI SD/SDIO controllers using SYS-DMAC"
6631d6efe08SGeert Uytterhoeven	depends on MMC_SDHI
664c813e10aSMasahiro Yamada	default MMC_SDHI if (SUPERH || ARM)
6652a68ea78SSimon Horman	help
6662a68ea78SSimon Horman	  This provides DMA support for SDHI SD/SDIO controllers
6672a68ea78SSimon Horman	  using SYS-DMAC via DMA Engine. This supports the controllers
6682a68ea78SSimon Horman	  found in SuperH and Renesas ARM based SoCs.
6692a68ea78SSimon Horman
6702a68ea78SSimon Hormanconfig MMC_SDHI_INTERNAL_DMAC
6712a68ea78SSimon Horman	tristate "DMA for SDHI SD/SDIO controllers using on-chip bus mastering"
6729706b472SChris Brandt	depends on ARM64 || ARCH_R7S9210 || ARCH_R8A77470 || COMPILE_TEST
6731d6efe08SGeert Uytterhoeven	depends on MMC_SDHI
6749706b472SChris Brandt	default MMC_SDHI if (ARM64 || ARCH_R7S9210 || ARCH_R8A77470)
6752a68ea78SSimon Horman	help
6762a68ea78SSimon Horman	  This provides DMA support for SDHI SD/SDIO controllers
6772a68ea78SSimon Horman	  using on-chip bus mastering. This supports the controllers
6789706b472SChris Brandt	  found in arm64 based SoCs. This controller is also found in
6799706b472SChris Brandt	  some RZ family SoCs.
6802a68ea78SSimon Horman
6813fd784f7SMasahiro Yamadaconfig MMC_UNIPHIER
6823fd784f7SMasahiro Yamada	tristate "UniPhier SD/eMMC Host Controller support"
6833fd784f7SMasahiro Yamada	depends on ARCH_UNIPHIER || COMPILE_TEST
6843fd784f7SMasahiro Yamada	depends on OF
6853fd784f7SMasahiro Yamada	select MMC_TMIO_CORE
6863fd784f7SMasahiro Yamada	help
6873fd784f7SMasahiro Yamada	  This provides support for the SD/eMMC controller found in
6883fd784f7SMasahiro Yamada	  UniPhier SoCs. The eMMC variant of this controller is used
6893fd784f7SMasahiro Yamada	  only for 32-bit SoCs.
6903fd784f7SMasahiro Yamada
6915f5bac82SMichał Mirosławconfig MMC_CB710
6925f5bac82SMichał Mirosław	tristate "ENE CB710 MMC/SD Interface support"
6930244ad00SMartin Schwidefsky	depends on PCI
6945f5bac82SMichał Mirosław	select CB710_CORE
6955f5bac82SMichał Mirosław	help
6965f5bac82SMichał Mirosław	  This option enables support for MMC/SD part of ENE CB710/720 Flash
6975f5bac82SMichał Mirosław	  memory card reader found in some laptops (ie. some versions of
6985f5bac82SMichał Mirosław	  HP Compaq nx9500).
6995f5bac82SMichał Mirosław
7005f5bac82SMichał Mirosław	  This driver can also be built as a module. If so, the module
7015f5bac82SMichał Mirosław	  will be called cb710-mmc.
7025f5bac82SMichał Mirosław
703f0bf7f61SHarald Welteconfig MMC_VIA_SDMMC
704f0bf7f61SHarald Welte	tristate "VIA SD/MMC Card Reader Driver"
705f0bf7f61SHarald Welte	depends on PCI
706f0bf7f61SHarald Welte	help
707f0bf7f61SHarald Welte	  This selects the VIA SD/MMC Card Reader driver, say Y or M here.
708f0bf7f61SHarald Welte	  VIA provides one multi-functional card reader which integrated into
709f0bf7f61SHarald Welte	  some motherboards manufactured by VIA. This card reader supports
710f0bf7f61SHarald Welte	  SD/MMC/SDHC.
711f0bf7f61SHarald Welte	  If you have a controller with this interface, say Y or M here.
712f0bf7f61SHarald Welte
713f0bf7f61SHarald Welte	  If unsure, say N.
714eb962d5bSCliff Cai
71501d95843SSteven J. Hillconfig MMC_CAVIUM_OCTEON
71601d95843SSteven J. Hill	tristate "Cavium OCTEON SD/MMC Card Interface support"
71701d95843SSteven J. Hill	depends on CAVIUM_OCTEON_SOC
71801d95843SSteven J. Hill	help
71901d95843SSteven J. Hill	  This selects Cavium OCTEON SD/MMC card Interface.
72001d95843SSteven J. Hill	  If you have an OCTEON board with a Multimedia Card slot,
72101d95843SSteven J. Hill	  say Y or M here.
72201d95843SSteven J. Hill
72301d95843SSteven J. Hill	  If unsure, say N.
72401d95843SSteven J. Hill
725166bac38SJan Glauberconfig MMC_CAVIUM_THUNDERX
726166bac38SJan Glauber	tristate "Cavium ThunderX SD/MMC Card Interface support"
727166bac38SJan Glauber	depends on PCI && 64BIT && (ARM64 || COMPILE_TEST)
72862467bbbSJan Glauber	depends on GPIO_THUNDERX
729166bac38SJan Glauber	depends on OF_ADDRESS
730166bac38SJan Glauber	help
731166bac38SJan Glauber	  This selects Cavium ThunderX SD/MMC Card Interface.
732166bac38SJan Glauber	  If you have an Cavium ARM64 board with a Multimedia Card slot
733166bac38SJan Glauber	  or builtin eMMC chip say Y or M here. If built as a module
734166bac38SJan Glauber	  the module will be called thunderx_mmc.ko.
735166bac38SJan Glauber
736f95f3850SWill Newtonconfig MMC_DW
737f95f3850SWill Newton	tristate "Synopsys DesignWare Memory Card Interface"
738c34346b2SAlim Akhtar	depends on ARC || ARM || ARM64 || MIPS || COMPILE_TEST
739f95f3850SWill Newton	help
740f95f3850SWill Newton	  This selects support for the Synopsys DesignWare Mobile Storage IP
741f95f3850SWill Newton	  block, this provides host support for SD and MMC interfaces, in both
7423fc7eaefSShawn Lin	  PIO, internal DMA mode and external DMA mode.
743f95f3850SWill Newton
74462ca8034SShashidhar Hiremathconfig MMC_DW_PLTFM
74562ca8034SShashidhar Hiremath	tristate "Synopsys Designware MCI Support as platform device"
74662ca8034SShashidhar Hiremath	depends on MMC_DW
74762ca8034SShashidhar Hiremath	default y
74862ca8034SShashidhar Hiremath	help
74962ca8034SShashidhar Hiremath	  This selects the common helper functions support for Host Controller
75062ca8034SShashidhar Hiremath	  Interface based platform driver. Please select this option if the IP
75162ca8034SShashidhar Hiremath	  is present as a platform device. This is the common interface for the
75262ca8034SShashidhar Hiremath	  Synopsys Designware IP.
75362ca8034SShashidhar Hiremath
75462ca8034SShashidhar Hiremath	  If you have a controller with this interface, say Y or M here.
75562ca8034SShashidhar Hiremath
75662ca8034SShashidhar Hiremath	  If unsure, say Y.
75762ca8034SShashidhar Hiremath
75886958dccSLiming Sunconfig MMC_DW_BLUEFIELD
75986958dccSLiming Sun	tristate "BlueField specific extensions for Synopsys DW Memory Card Interface"
76086958dccSLiming Sun	depends on MMC_DW
76186958dccSLiming Sun	select MMC_DW_PLTFM
76286958dccSLiming Sun	help
76386958dccSLiming Sun	  This selects support for Mellanox BlueField SoC specific extensions to
76486958dccSLiming Sun	  the Synopsys DesignWare Memory Card Interface driver. Select this
76586958dccSLiming Sun	  option for platforms based on Mellanox BlueField SoC's.
76686958dccSLiming Sun
767c3665006SThomas Abrahamconfig MMC_DW_EXYNOS
768e41e85ccSMasanari Iida	tristate "Exynos specific extensions for Synopsys DW Memory Card Interface"
769c3665006SThomas Abraham	depends on MMC_DW
770c3665006SThomas Abraham	select MMC_DW_PLTFM
771c3665006SThomas Abraham	help
772c3665006SThomas Abraham	  This selects support for Samsung Exynos SoC specific extensions to the
773c3665006SThomas Abraham	  Synopsys DesignWare Memory Card Interface driver. Select this option
774c3665006SThomas Abraham	  for platforms based on Exynos4 and Exynos5 SoC's.
775c3665006SThomas Abraham
776e382ab74Stianshuliangconfig MMC_DW_HI3798CV200
777e382ab74Stianshuliang	tristate "Hi3798CV200 specific extensions for Synopsys DW Memory Card Interface"
778e382ab74Stianshuliang	depends on MMC_DW
779e382ab74Stianshuliang	select MMC_DW_PLTFM
780e382ab74Stianshuliang	help
781e382ab74Stianshuliang	  This selects support for HiSilicon Hi3798CV200 SoC specific extensions to the
782e382ab74Stianshuliang	  Synopsys DesignWare Memory Card Interface driver. Select this option
783e382ab74Stianshuliang	  for platforms based on HiSilicon Hi3798CV200 SoC.
784e382ab74Stianshuliang
785036f29d5SZhangfei Gaoconfig MMC_DW_K3
786036f29d5SZhangfei Gao	tristate "K3 specific extensions for Synopsys DW Memory Card Interface"
787036f29d5SZhangfei Gao	depends on MMC_DW
788036f29d5SZhangfei Gao	select MMC_DW_PLTFM
789036f29d5SZhangfei Gao	help
790036f29d5SZhangfei Gao	  This selects support for Hisilicon K3 SoC specific extensions to the
791036f29d5SZhangfei Gao	  Synopsys DesignWare Memory Card Interface driver. Select this option
792036f29d5SZhangfei Gao	  for platforms based on Hisilicon K3 SoC's.
793036f29d5SZhangfei Gao
79462ca8034SShashidhar Hiremathconfig MMC_DW_PCI
79562ca8034SShashidhar Hiremath	tristate "Synopsys Designware MCI support on PCI bus"
79662ca8034SShashidhar Hiremath	depends on MMC_DW && PCI
79762ca8034SShashidhar Hiremath	help
79862ca8034SShashidhar Hiremath	  This selects the PCI bus for the Synopsys Designware Mobile Storage IP.
79962ca8034SShashidhar Hiremath	  Select this option if the IP is present on PCI platform.
80062ca8034SShashidhar Hiremath
80162ca8034SShashidhar Hiremath	  If you have a controller with this interface, say Y or M here.
80262ca8034SShashidhar Hiremath
80362ca8034SShashidhar Hiremath	  If unsure, say N.
80462ca8034SShashidhar Hiremath
8054cdc2ec1Saddy keconfig MMC_DW_ROCKCHIP
8064cdc2ec1Saddy ke	tristate "Rockchip specific extensions for Synopsys DW Memory Card Interface"
8074cdc2ec1Saddy ke	depends on MMC_DW && ARCH_ROCKCHIP
8084cdc2ec1Saddy ke	select MMC_DW_PLTFM
8094cdc2ec1Saddy ke	help
8104cdc2ec1Saddy ke	  This selects support for Rockchip SoC specific extensions to the
8114cdc2ec1Saddy ke	  Synopsys DesignWare Memory Card Interface driver. Select this option
8124cdc2ec1Saddy ke	  for platforms based on RK3066, RK3188 and RK3288 SoC's.
8134cdc2ec1Saddy ke
814a8c643adSJun Nieconfig MMC_DW_ZX
815a8c643adSJun Nie	tristate "ZTE specific extensions for Synopsys DW Memory Card Interface"
816a8c643adSJun Nie	depends on MMC_DW && ARCH_ZX
817a8c643adSJun Nie	select MMC_DW_PLTFM
818a8c643adSJun Nie	help
819a8c643adSJun Nie	  This selects support for ZTE SoC specific extensions to the
820a8c643adSJun Nie	  Synopsys DesignWare Memory Card Interface driver. Select this option
821a8c643adSJun Nie	  for platforms based on ZX296718 SoC's.
822a8c643adSJun Nie
823fdc50a94SYusuke Godaconfig MMC_SH_MMCIF
824fdc50a94SYusuke Goda	tristate "SuperH Internal MMCIF support"
82549312c1fSSimon Horman	depends on SUPERH || ARCH_RENESAS || COMPILE_TEST
826fdc50a94SYusuke Goda	help
827ba9e9157SWolfram Sang	  This selects the MMC Host Interface controller (MMCIF) found in various
828ba9e9157SWolfram Sang	  Renesas SoCs for SH and ARM architectures.
829fdc50a94SYusuke Goda
83061bfbdb8SLars-Peter Clausen
83161bfbdb8SLars-Peter Clausenconfig MMC_JZ4740
8326a78768aSAlex Smith	tristate "Ingenic JZ47xx SD/Multimedia Card Interface support"
833685bc885SPaul Cercueil	depends on MIPS
83461bfbdb8SLars-Peter Clausen	help
8356a78768aSAlex Smith	  This selects support for the SD/MMC controller on Ingenic
8366a78768aSAlex Smith	  JZ4740, JZ4750, JZ4770 and JZ4780 SoCs.
8376a78768aSAlex Smith
83861bfbdb8SLars-Peter Clausen	  If you have a board based on such a SoC and with a SD/MMC slot,
83961bfbdb8SLars-Peter Clausen	  say Y or M here.
84053f3a9e2SDavid Vrabel
84188095e7bSTony Olechconfig MMC_VUB300
84288095e7bSTony Olech	tristate "VUB300 USB to SDIO/SD/MMC Host Controller support"
84388095e7bSTony Olech	depends on USB
84488095e7bSTony Olech	help
84588095e7bSTony Olech	  This selects support for Elan Digital Systems' VUB300 chip.
84688095e7bSTony Olech
84788095e7bSTony Olech	  The VUB300 is a USB-SDIO Host Controller Interface chip
84888095e7bSTony Olech	  that enables the host computer to use SDIO/SD/MMC cards
84988095e7bSTony Olech	  via a USB 2.0 or USB 1.1 host.
85088095e7bSTony Olech
85188095e7bSTony Olech	  The VUB300 chip will be found in both physically separate
85288095e7bSTony Olech	  USB to SDIO/SD/MMC adapters and embedded on some motherboards.
85388095e7bSTony Olech
85488095e7bSTony Olech	  The VUB300 chip supports SD and MMC memory cards in addition
85588095e7bSTony Olech	  to single and multifunction SDIO cards.
85688095e7bSTony Olech
85788095e7bSTony Olech	  Some SDIO cards will need a firmware file to be loaded and
85888095e7bSTony Olech	  sent to VUB300 chip in order to achieve better data throughput.
85988095e7bSTony Olech	  Download these "Offload Pseudocode" from Elan Digital Systems'
86088095e7bSTony Olech	  web-site http://www.elandigitalsystems.com/support/downloads.php
86188095e7bSTony Olech	  and put them in /lib/firmware. Note that without these additional
86288095e7bSTony Olech	  firmware files the VUB300 chip will still function, but not at
86388095e7bSTony Olech	  the best obtainable data rate.
86488095e7bSTony Olech
86588095e7bSTony Olech	  To compile this mmc host controller driver as a module,
86688095e7bSTony Olech	  choose M here: the module will be called vub300.
86788095e7bSTony Olech
86888095e7bSTony Olech	  If you have a computer with an embedded VUB300 chip
86988095e7bSTony Olech	  or if you intend connecting a USB adapter based on a
87088095e7bSTony Olech	  VUB300 chip say Y or M here.
87188095e7bSTony Olech
87253f3a9e2SDavid Vrabelconfig MMC_USHC
87353f3a9e2SDavid Vrabel	tristate "USB SD Host Controller (USHC) support"
87453f3a9e2SDavid Vrabel	depends on USB
87553f3a9e2SDavid Vrabel	help
87653f3a9e2SDavid Vrabel	  This selects support for USB SD Host Controllers based on
87753f3a9e2SDavid Vrabel	  the Cypress Astoria chip with firmware compliant with CSR's
87853f3a9e2SDavid Vrabel	  USB SD Host Controller specification (CS-118793-SP).
87953f3a9e2SDavid Vrabel
88053f3a9e2SDavid Vrabel	  CSR boards with this device include: USB<>SDIO (M1985v2),
88153f3a9e2SDavid Vrabel	  and Ultrasira.
88253f3a9e2SDavid Vrabel
88353f3a9e2SDavid Vrabel	  Note: These controllers only support SDIO cards and do not
88453f3a9e2SDavid Vrabel	  support MMC or SD memory cards.
8853a96dff0STony Prisk
8863a96dff0STony Priskconfig MMC_WMT
8873a96dff0STony Prisk	tristate "Wondermedia SD/MMC Host Controller support"
8883a96dff0STony Prisk	depends on ARCH_VT8500
8893a96dff0STony Prisk	default y
8903a96dff0STony Prisk	help
8913a96dff0STony Prisk	  This selects support for the SD/MMC Host Controller on
8923a96dff0STony Prisk	  Wondermedia WM8505/WM8650 based SoCs.
8933a96dff0STony Prisk
8943a96dff0STony Prisk	  To compile this driver as a module, choose M here: the
8953a96dff0STony Prisk	  module will be called wmt-sdmmc.
8966a5971d8SLinus Torvalds
89775fa9ea6SGuennadi Liakhovetskiconfig MMC_USDHI6ROL0
89875fa9ea6SGuennadi Liakhovetski	tristate "Renesas USDHI6ROL0 SD/SDIO Host Controller support"
8991ef94740SGeert Uytterhoeven	depends on HAS_DMA
90075fa9ea6SGuennadi Liakhovetski	help
90175fa9ea6SGuennadi Liakhovetski	  This selects support for the Renesas USDHI6ROL0 SD/SDIO
90275fa9ea6SGuennadi Liakhovetski	  Host Controller
90375fa9ea6SGuennadi Liakhovetski
9042c94b645SWei WANGconfig MMC_REALTEK_PCI
9052c94b645SWei WANG	tristate "Realtek PCI-E SD/MMC Card Interface Driver"
906e455b69dSRui Feng	depends on MISC_RTSX_PCI
9072c94b645SWei WANG	help
9082c94b645SWei WANG	  Say Y here to include driver code to support SD/MMC card interface
9092c94b645SWei WANG	  of Realtek PCI-E card reader
910c7f6558dSRoger Tseng
911c7f6558dSRoger Tsengconfig MMC_REALTEK_USB
912c7f6558dSRoger Tseng	tristate "Realtek USB SD/MMC Card Interface Driver"
913e455b69dSRui Feng	depends on MISC_RTSX_USB
914c7f6558dSRoger Tseng	help
915c7f6558dSRoger Tseng	  Say Y here to include driver code to support SD/MMC card interface
916c7f6558dSRoger Tseng	  of Realtek RTS5129/39 series card reader
91719b7f796SDavid Lanzendörfer
91819b7f796SDavid Lanzendörferconfig MMC_SUNXI
91919b7f796SDavid Lanzendörfer	tristate "Allwinner sunxi SD/MMC Host Controller support"
92019b7f796SDavid Lanzendörfer	depends on ARCH_SUNXI
92119b7f796SDavid Lanzendörfer	help
92219b7f796SDavid Lanzendörfer	  This selects support for the SD/MMC Host Controller on
92319b7f796SDavid Lanzendörfer	  Allwinner sunxi SoCs.
924a5eb8bbdSOndrej Zary
925a4080225SVenkat Gopalakrishnanconfig MMC_CQHCI
926a4080225SVenkat Gopalakrishnan	tristate "Command Queue Host Controller Interface support"
927a4080225SVenkat Gopalakrishnan	depends on HAS_DMA
928a4080225SVenkat Gopalakrishnan	help
929a4080225SVenkat Gopalakrishnan	  This selects the Command Queue Host Controller Interface (CQHCI)
930a4080225SVenkat Gopalakrishnan	  support present in host controllers of Qualcomm Technologies, Inc
931a4080225SVenkat Gopalakrishnan	  amongst others.
932a4080225SVenkat Gopalakrishnan	  This controller supports eMMC devices with command queue support.
933a4080225SVenkat Gopalakrishnan
934a4080225SVenkat Gopalakrishnan	  If you have a controller with this interface, say Y or M here.
935a4080225SVenkat Gopalakrishnan
936a4080225SVenkat Gopalakrishnan	  If unsure, say N.
937a4080225SVenkat Gopalakrishnan
938a5eb8bbdSOndrej Zaryconfig MMC_TOSHIBA_PCI
939a5eb8bbdSOndrej Zary	tristate "Toshiba Type A SD/MMC Card Interface Driver"
940a5eb8bbdSOndrej Zary	depends on PCI
94120848903SChaotian Jing
942660fc733SEric Anholtconfig MMC_BCM2835
943660fc733SEric Anholt	tristate "Broadcom BCM2835 SDHOST MMC Controller support"
944660fc733SEric Anholt	depends on ARCH_BCM2835 || COMPILE_TEST
945660fc733SEric Anholt	help
946660fc733SEric Anholt	  This selects the BCM2835 SDHOST MMC controller. If you have
947660fc733SEric Anholt	  a BCM2835 platform with SD or MMC devices, say Y or M here.
948660fc733SEric Anholt
949660fc733SEric Anholt	  Note that the BCM2835 has two SD controllers: The Arasan
950660fc733SEric Anholt	  sdhci controller (supported by MMC_SDHCI_IPROC) and a custom
951660fc733SEric Anholt	  sdhost controller (supported by this driver).
952660fc733SEric Anholt
953660fc733SEric Anholt	  If unsure, say N.
954660fc733SEric Anholt
95520848903SChaotian Jingconfig MMC_MTK
95620848903SChaotian Jing	tristate "MediaTek SD/MMC Card Interface support"
957c2b22fffSGeert Uytterhoeven	depends on HAS_DMA
95826c2b19eSNeilBrown	select REGULATOR
95920848903SChaotian Jing	help
96020848903SChaotian Jing	  This selects the MediaTek(R) Secure digital and Multimedia card Interface.
96120848903SChaotian Jing	  If you have a machine with a integrated SD/MMC card reader, say Y or M here.
96220848903SChaotian Jing	  This is needed if support for any SD/SDIO/MMC devices is required.
96320848903SChaotian Jing	  If unsure, say N.
9645d9460d7SAndrei Pistirica
9655d9460d7SAndrei Pistiricaconfig MMC_SDHCI_MICROCHIP_PIC32
9665d9460d7SAndrei Pistirica	tristate "Microchip PIC32MZDA SDHCI support"
9675d9460d7SAndrei Pistirica	depends on MMC_SDHCI && PIC32MZDA && MMC_SDHCI_PLTFM
9685d9460d7SAndrei Pistirica	help
9695d9460d7SAndrei Pistirica	  This selects the Secure Digital Host Controller Interface (SDHCI)
9705d9460d7SAndrei Pistirica	  for PIC32MZDA platform.
9715d9460d7SAndrei Pistirica
9725d9460d7SAndrei Pistirica	  If you have a controller with this interface, say Y or M here.
9735d9460d7SAndrei Pistirica
9745d9460d7SAndrei Pistirica	  If unsure, say N.
9756f549034SEnrico Weigelt, metux IT consult
976476bf3d6SAl Cooperconfig MMC_SDHCI_BRCMSTB
977476bf3d6SAl Cooper	tristate "Broadcom SDIO/SD/MMC support"
978476bf3d6SAl Cooper	depends on ARCH_BRCMSTB || BMIPS_GENERIC
979476bf3d6SAl Cooper	depends on MMC_SDHCI_PLTFM
980476bf3d6SAl Cooper	default y
981476bf3d6SAl Cooper	help
982476bf3d6SAl Cooper	  This selects support for the SDIO/SD/MMC Host Controller on
983476bf3d6SAl Cooper	  Broadcom STB SoCs.
984476bf3d6SAl Cooper
985476bf3d6SAl Cooper	  If unsure, say Y.
9863a3748dbSHu Ziji
9873a3748dbSHu Zijiconfig MMC_SDHCI_XENON
9883a3748dbSHu Ziji	tristate "Marvell Xenon eMMC/SD/SDIO SDHCI driver"
9893a3748dbSHu Ziji	depends on MMC_SDHCI_PLTFM
9903a3748dbSHu Ziji	help
9913a3748dbSHu Ziji	  This selects Marvell Xenon eMMC/SD/SDIO SDHCI.
9923a3748dbSHu Ziji	  If you have a controller with this interface, say Y or M here.
9933a3748dbSHu Ziji	  If unsure, say N.
9947d326930SKishon Vijay Abraham I
9957d326930SKishon Vijay Abraham Iconfig MMC_SDHCI_OMAP
9967d326930SKishon Vijay Abraham I	tristate "TI SDHCI Controller Support"
9977d326930SKishon Vijay Abraham I	depends on MMC_SDHCI_PLTFM && OF
998961de0a8SFaiz Abbas	select THERMAL
999287b1da6SFaiz Abbas	imply TI_SOC_THERMAL
10007d326930SKishon Vijay Abraham I	help
10017d326930SKishon Vijay Abraham I	  This selects the Secure Digital Host Controller Interface (SDHCI)
10027d326930SKishon Vijay Abraham I	  support present in TI's DRA7 SOCs. The controller supports
10037d326930SKishon Vijay Abraham I	  SD/MMC/SDIO devices.
10047d326930SKishon Vijay Abraham I
10057d326930SKishon Vijay Abraham I	  If you have a controller with this interface, say Y or M here.
10067d326930SKishon Vijay Abraham I
10077d326930SKishon Vijay Abraham I	  If unsure, say N.
100841fd4caeSFaiz Abbas
100941fd4caeSFaiz Abbasconfig MMC_SDHCI_AM654
101041fd4caeSFaiz Abbas	tristate "Support for the SDHCI Controller in TI's AM654 SOCs"
101159592cc1SYueHaibing	depends on MMC_SDHCI_PLTFM && OF && REGMAP_MMIO
1012e374e875SFaiz Abbas	select MMC_SDHCI_IO_ACCESSORS
101341fd4caeSFaiz Abbas	help
101441fd4caeSFaiz Abbas	  This selects the Secure Digital Host Controller Interface (SDHCI)
101541fd4caeSFaiz Abbas	  support present in TI's AM654 SOCs. The controller supports
101641fd4caeSFaiz Abbas	  SD/MMC/SDIO devices.
101741fd4caeSFaiz Abbas
101841fd4caeSFaiz Abbas	  If you have a controller with this interface, say Y or M here.
101941fd4caeSFaiz Abbas
102041fd4caeSFaiz Abbas	  If unsure, say N.
1021