spi: add spi controller v3 master driver for Blackfin

PATCH Applied Scott Jiang 2 participants 2 messages Jun 26, 2013 – Jul 1, 2013 1 message not in the archive SPI

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Scott Jiang

author

2013-06-26 22:07 UTC #0 lore raw

PATCH v3 1/1 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 Scott Jiang <[email protected]>

---
 drivers/spi/Kconfig       |    9 +-
 drivers/spi/Makefile      |    1 +
 drivers/spi/spi-bfin-v3.c |  973 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 982 insertions(+), 1 deletions(-)
 create mode 100644 drivers/spi/spi-bfin-v3.c

drivers/spi/Kconfig +8 -1

index 864d87f..7b61544 100644
@@ -87,10 +87,17 @@ 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

index 33f9c09..7c41702 100644
@@ -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 new file +973 -0

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1.7.0.4

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Mark Brown

Applied

2013-07-01 10:41 UTC #2 lore raw

Quoted 5 lines · Scott Jiang

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.

Applied, thanks.

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