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i2c: Add support for Xilinx XPS IIC Bus Interface

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This patch adds support for the Xilinx XPS IIC Bus Interface.

The driver uses the dynamic mode, supporting to put several
I2C messages in the FIFO to reduce the number of interrupts.

It has the same feature as ocores, it can be passed a list
of devices that will be added when the bus is probed.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Richard Röjfors
2010-02-11 10:42:00 +01:00
committed by Ben Dooks
parent 96eb7164e3
commit e1d5b6598c
3 changed files with 835 additions and 0 deletions
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10
drivers/i2c/busses/Kconfig
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@@ -582,6 +582,16 @@ config I2C_OCTEON
This driver can also be built as a module. If so, the module
will be called i2c-octeon.
config I2C_XILINX
tristate "Xilinx I2C Controller"
depends on EXPERIMENTAL && HAS_IOMEM
help
If you say yes to this option, support will be included for the
Xilinx I2C controller.
This driver can also be built as a module. If so, the module
will be called xilinx_i2c.
comment "External I2C/SMBus adapter drivers"
config I2C_PARPORT

1
drivers/i2c/busses/Makefile
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@@ -56,6 +56,7 @@ obj-$(CONFIG_I2C_SIMTEC) += i2c-simtec.o
obj-$(CONFIG_I2C_STU300) += i2c-stu300.o
obj-$(CONFIG_I2C_VERSATILE) += i2c-versatile.o
obj-$(CONFIG_I2C_OCTEON) += i2c-octeon.o
obj-$(CONFIG_I2C_XILINX) += i2c-xiic.o
# External I2C/SMBus adapter drivers
obj-$(CONFIG_I2C_PARPORT) += i2c-parport.o

824
drivers/i2c/busses/i2c-xiic.c Normal file
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