path: root/nuttx/drivers/mmcsd/Kconfig

#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
config MMCSD_NSLOTS
	int "Number of MMC/SD slots"
	default 1
	---help---
		Number of MMC/SD slots supported by the
		driver. Default is one.

config MMCSD_READONLY
	bool "Disable MMC/SD write access"
	default n
	---help---
		Provide read-only access.  Default is
		Read/Write

config MMCSD_MULTIBLOCK_DISABLE
	bool "Disable MMC/SD multiblock transfer"
	default n
	---help---
		Use only the single block transfer method.
		This setting is used to work around buggy SDIO drivers that cannot handle
		multiple block transfers.

config MMCSD_MMCSUPPORT
	bool "MMC cards support"
	default y
	---help---
		Enable support for MMC cards

config MMCSD_HAVECARDDETECT
	bool "MMC/SD card detection"
	default y
	---help---
		SDIO driver card detection is
		100% accurate

config MMCSD_SPI
	bool "MMC/SD spi transfer support"
	default y

config MMCSD_SPICLOCK
	int "MMC/SD maximum SPI clock"
	default 20000000
	depends on MMCSD_SPI
	---help---
		Maximum SPI clock to drive MMC/SD card.
		Default is 20MHz.

config MMCSD_SDIO
	bool "MMC/SD sdio transfer support"
	default y

if MMCSD_SDIO
config SDIO_DMA
	bool "SDIO dma support"
	default n
	---help---
		SDIO driver supports DMA

config SDIO_MUXBUS
	bool "SDIO bus share support"
	default n
	---help---
		Set this SDIO interface if the SDIO interface
		or hardware resources are shared with other drivers.

config SDIO_WIDTH_D1_ONLY
	bool "SDIO 1-bit transfer"
	default n
	---help---
		Select 1-bit transfer mode.  Default:
		4-bit transfer mode.
endif