Commit fa4bd4f1 authored by Scott Jiang's avatar Scott Jiang Committed by Mark Brown
Browse files

spi: add spi controller v3 master driver for Blackfin 



New spi controller(version 3) is integrated into Blackfin
60x processor. Comparing to bf5xx spi controller, we support
32 bits word size and independent receive and transmit DMA
channels now. Also mode 0 and 2 (CPHA = 0) can get fully
supported becasue cs line may be controlled by the software.

Signed-off-by: default avatarScott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent ad81f054

drivers/spi/Kconfig

+8 −1
Original line number Diff line number Diff line
@@ -88,10 +88,17 @@ config SPI_BCM2835 


config SPI_BFIN5XX

	tristate "SPI controller driver for ADI Blackfin5xx"

	depends on BLACKFIN

	depends on BLACKFIN && !BF60x

	help

	  This is the SPI controller master driver for Blackfin 5xx processor.



config SPI_BFIN_V3

	tristate "SPI controller v3 for Blackfin"

	depends on BF60x

	help

	  This is the SPI controller v3 master driver

	  found on Blackfin 60x processor.



config SPI_BFIN_SPORT

	tristate "SPI bus via Blackfin SPORT"

	depends on BLACKFIN

drivers/spi/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ obj-$(CONFIG_SPI_AU1550) += spi-au1550.o 
obj-$(CONFIG_SPI_BCM2835)		+= spi-bcm2835.o

obj-$(CONFIG_SPI_BCM63XX)		+= spi-bcm63xx.o

obj-$(CONFIG_SPI_BFIN5XX)		+= spi-bfin5xx.o

obj-$(CONFIG_SPI_BFIN_V3)               += spi-bfin-v3.o

obj-$(CONFIG_SPI_BFIN_SPORT)		+= spi-bfin-sport.o

obj-$(CONFIG_SPI_BITBANG)		+= spi-bitbang.o

obj-$(CONFIG_SPI_BUTTERFLY)		+= spi-butterfly.o

drivers/spi/spi-bfin-v3.c

0 → 100644
+973 −0

File added.

Preview size limit exceeded, changes collapsed.

CRA Git | Maintained and supported by SUSTech CRA and CCSE