MIPS: I2C: Add driver for Cavium OCTEON I2C ports.

Signed-off-by: Rade Bozic <rade.bozic.ext@nsn.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Michael Lawnick <michael.lawnick.ext@nsn.com>
To: linux-mips@linux-mips.org
To: linux-i2c@vger.kernel.org
To: ben-linux@fluff.org
To: khali@linux-fr.org
Cc: rade.bozic.ext@nsn.com
Cc: Michael Lawnick <michael.lawnick.ext@nsn.com>
Patchwork: http://patchwork.linux-mips.org/patch/890/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

drivers/i2c/busses/Kconfig

@@ -564,6 +564,16 @@ config I2C_VERSATILE
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-versatile.
 
+config I2C_OCTEON
+	tristate "Cavium OCTEON I2C bus support"
+	depends on CPU_CAVIUM_OCTEON
+	help
+	  Say yes if you want to support the I2C serial bus on Cavium
+	  OCTEON SOC.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-octeon.
+
 comment "External I2C/SMBus adapter drivers"
 
 config I2C_PARPORT

drivers/i2c/busses/Makefile

@@ -54,6 +54,7 @@ obj-$(CONFIG_I2C_SH_MOBILE)	+= i2c-sh_mobile.o
 obj-$(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
 
 # External I2C/SMBus adapter drivers
 obj-$(CONFIG_I2C_PARPORT)	+= i2c-parport.o