+
+source drivers/mmc/Kconfig
+
+config ETRAX_MMC_IOP
+ tristate "MMC/SD host driver using IO-processor"
+ depends on ETRAX_ARCH_V32 && MMC
+ help
+ This option enables the SD/MMC host controller interface.
+ The host controller is implemented using the built in
+ IO-Processor. Only the SPU is used in this implementation.
+
+config ETRAX_SPI_MMC
+# Make this one of several "choices" (possible simultaneously but
+# suggested uniquely) when an IOP driver emerges for "real" MMC/SD
+# protocol support.
+ tristate
+ depends on !ETRAX_MMC_IOP
+ default MMC
+ select SPI
+ select MMC_SPI
+ select ETRAX_SPI_MMC_BOARD
+
+# For the parts that can't be a module (due to restrictions in
+# framework elsewhere).
+config ETRAX_SPI_MMC_BOARD
+ boolean
+ default n
+
+# While the board info is MMC_SPI only, the drivers are written to be
+# independent of MMC_SPI, so we'll keep SPI non-dependent on the
+# MMC_SPI config choices (well, except for a single depends-on-line
+# for the board-info file until a separate non-MMC SPI board file
+# emerges).
+# FIXME: When that happens, we'll need to be able to ask for and
+# configure non-MMC SPI ports together with MMC_SPI ports (if multiple
+# SPI ports are enabled).
+
+config SPI_ETRAX_SSER
+ tristate
+ depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL
+ select SPI_BITBANG
+ help
+ This enables using an synchronous serial (sser) port as a
+ SPI master controller on Axis ETRAX FS and later. The
+ driver can be configured to use any sser port.
+
+config SPI_ETRAX_GPIO
+ tristate
+ depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL
+ select SPI_BITBANG
+ help
+ This enables using GPIO pins port as a SPI master controller
+ on Axis ETRAX FS and later. The driver can be configured to
+ use any GPIO pins.
+
+config ETRAX_SPI_SSER0
+ tristate "SPI using synchronous serial port 0 (sser0)"
+ depends on ETRAX_SPI_MMC
+ default m if MMC_SPI=m
+ default y if MMC_SPI=y
+ default y if MMC_SPI=n
+ select SPI_ETRAX_SSER
+ help
+ Say Y for an MMC/SD socket connected to synchronous serial port 0,
+ or for devices using the SPI protocol on that port. Say m if you
+ want to build it as a module, which will be named spi_crisv32_sser.
+ (You need to select MMC separately.)
+
+config ETRAX_SPI_SSER0_DMA
+ bool "DMA for SPI on sser0 enabled"
+ depends on ETRAX_SPI_SSER0
+ depends on !ETRAX_SERIAL_PORT1_DMA4_OUT && !ETRAX_SERIAL_PORT1_DMA5_IN
+ default y
+ help
+ Say Y if using DMA (dma4/dma5) for SPI on synchronous serial port 0.
+
+config ETRAX_SPI_MMC_CD_SSER0_PIN
+ string "MMC/SD card detect pin for SPI on sser0"
+ depends on ETRAX_SPI_SSER0 && MMC_SPI
+ default "pd11"
+ help
+ The pin to use for SD/MMC card detect. This pin should be pulled up
+ and grounded when a card is present. If defined as " " (space), no
+ pin is selected. A card must then always be inserted for proper
+ action.
+
+config ETRAX_SPI_MMC_WP_SSER0_PIN
+ string "MMC/SD card write-protect pin for SPI on sser0"
+ depends on ETRAX_SPI_SSER0 && MMC_SPI
+ default "pd10"
+ help
+ The pin to use for the SD/MMC write-protect signal for a memory
+ card. If defined as " " (space), the card is considered writable.
+
+config ETRAX_SPI_SSER1
+ tristate "SPI using synchronous serial port 1 (sser1)"
+ depends on ETRAX_SPI_MMC
+ default m if MMC_SPI=m && ETRAX_SPI_SSER0=n
+ default y if MMC_SPI=y && ETRAX_SPI_SSER0=n
+ default y if MMC_SPI=n && ETRAX_SPI_SSER0=n
+ select SPI_ETRAX_SSER
+ help
+ Say Y for an MMC/SD socket connected to synchronous serial port 1,
+ or for devices using the SPI protocol on that port. Say m if you
+ want to build it as a module, which will be named spi_crisv32_sser.
+ (You need to select MMC separately.)
+
+config ETRAX_SPI_SSER1_DMA
+ bool "DMA for SPI on sser1 enabled"
+ depends on ETRAX_SPI_SSER1 && !ETRAX_ETHERNET_IFACE1
+ depends on !ETRAX_SERIAL_PORT0_DMA6_OUT && !ETRAX_SERIAL_PORT0_DMA7_IN
+ default y
+ help
+ Say Y if using DMA (dma6/dma7) for SPI on synchronous serial port 1.
+
+config ETRAX_SPI_MMC_CD_SSER1_PIN
+ string "MMC/SD card detect pin for SPI on sser1"
+ depends on ETRAX_SPI_SSER1 && MMC_SPI
+ default "pd12"
+ help
+ The pin to use for SD/MMC card detect. This pin should be pulled up
+ and grounded when a card is present. If defined as " " (space), no
+ pin is selected. A card must then always be inserted for proper
+ action.
+
+config ETRAX_SPI_MMC_WP_SSER1_PIN
+ string "MMC/SD card write-protect pin for SPI on sser1"
+ depends on ETRAX_SPI_SSER1 && MMC_SPI
+ default "pd9"
+ help
+ The pin to use for the SD/MMC write-protect signal for a memory
+ card. If defined as " " (space), the card is considered writable.
+
+config ETRAX_SPI_GPIO
+ tristate "Bitbanged SPI using gpio pins"
+ depends on ETRAX_SPI_MMC
+ select SPI_ETRAX_GPIO
+ default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
+ default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
+ default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
+ help
+ Say Y for an MMC/SD socket connected to general I/O pins (but not
+ a complete synchronous serial ports), or for devices using the SPI
+ protocol on general I/O pins. Slow and slows down the system.
+ Say m to build it as a module, which will be called spi_crisv32_gpio.
+ (You need to select MMC separately.)
+
+# The default match that of sser0, only because that's how it was tested.
+config ETRAX_SPI_CS_PIN
+ string "SPI chip select pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc3"
+ help
+ The pin to use for SPI chip select.
+
+config ETRAX_SPI_CLK_PIN
+ string "SPI clock pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc1"
+ help
+ The pin to use for the SPI clock.
+
+config ETRAX_SPI_DATAIN_PIN
+ string "SPI MISO (data in) pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc16"
+ help
+ The pin to use for SPI data in from the device.
+
+config ETRAX_SPI_DATAOUT_PIN
+ string "SPI MOSI (data out) pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc0"
+ help
+ The pin to use for SPI data out to the device.
+
+config ETRAX_SPI_MMC_CD_GPIO_PIN
+ string "MMC/SD card detect pin for SPI using gpio (space for none)"
+ depends on ETRAX_SPI_GPIO && MMC_SPI
+ default "pd11"
+ help
+ The pin to use for SD/MMC card detect. This pin should be pulled up
+ and grounded when a card is present. If defined as " " (space), no
+ pin is selected. A card must then always be inserted for proper
+ action.
+
+config ETRAX_SPI_MMC_WP_GPIO_PIN
+ string "MMC/SD card write-protect pin for SPI using gpio (space for none)"
+ depends on ETRAX_SPI_GPIO && MMC_SPI
+ default "pd10"
+ help
+ The pin to use for the SD/MMC write-protect signal for a memory
+ card. If defined as " " (space), the card is considered writable.
+
+# Avoid choices causing non-working configs by conditionalizing the inclusion.
+if ETRAX_SPI_MMC
+source drivers/spi/Kconfig
+endif
+
+endif
git.openpandora.org / pandora-kernel.git / blobdiff