Blackfin: blackfin on-chip SPI controller driver

This patch implements the driver necessary use the Analog Devices Blackfin
processor's SPI Port.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/spi/Kconfig

@@ -58,6 +58,12 @@ config SPI_ATMEL
 	  This selects a driver for the Atmel SPI Controller, present on
 	  many AT32 (AVR32) and AT91 (ARM) chips.
 
+config SPI_BFIN
+	tristate "SPI controller driver for ADI Blackfin5xx"
+	depends on SPI_MASTER && BFIN
+	help
+	  This is the SPI controller master driver for Blackfin 5xx processor.
+
 config SPI_BITBANG
 	tristate "Bitbanging SPI master"
 	depends on SPI_MASTER && EXPERIMENTAL
@@ -157,7 +163,6 @@ config SPI_AT25
 # Add new SPI protocol masters in alphabetical order above this line
 #
 
-
 # (slave support would go here)
 
 endmenu # "SPI support"

drivers/spi/Makefile

@@ -11,8 +11,9 @@ endif
 obj-$(CONFIG_SPI_MASTER)		+= spi.o
 
 # SPI master controller drivers (bus)
-obj-$(CONFIG_SPI_BITBANG)		+= spi_bitbang.o
 obj-$(CONFIG_SPI_ATMEL)			+= atmel_spi.o
+obj-$(CONFIG_SPI_BFIN)			+= spi_bfin5xx.o
+obj-$(CONFIG_SPI_BITBANG)		+= spi_bitbang.o
 obj-$(CONFIG_SPI_BUTTERFLY)		+= spi_butterfly.o
 obj-$(CONFIG_SPI_IMX)			+= spi_imx.o
 obj-$(CONFIG_SPI_PXA2XX)		+= pxa2xx_spi.o