i2c: Add i2c driver for JZ47XX SoCs

This patch adds a driver for the i2c controller found in Ingenic JZ47XX based
SoCs.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

drivers/i2c/busses/Kconfig

@@ -434,6 +434,16 @@ config I2C_IXP2000
 	  This driver is deprecated and will be dropped soon. Use i2c-gpio
 	  instead.
 
+config I2C_JZ47XX
+	tristate "JZ4740 I2C Interface"
+	depends on ARCH_JZ4740
+	help
+	  Say Y here if you want support for the I2C controller found on Ingenic
+	  JZ47XX based SoCs.
+
+	  This driver can also be built as a module. If so, the module will be
+	  called i2c-jz47xx.
+
 config I2C_MPC
 	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
 	depends on PPC

drivers/i2c/busses/Makefile

@@ -41,6 +41,7 @@ obj-$(CONFIG_I2C_IMX)		+= i2c-imx.o
 obj-$(CONFIG_I2C_INTEL_MID)	+= i2c-intel-mid.o
 obj-$(CONFIG_I2C_IOP3XX)	+= i2c-iop3xx.o
 obj-$(CONFIG_I2C_IXP2000)	+= i2c-ixp2000.o
+obj-$(CONFIG_I2C_JZ47XX)	+= i2c-jz47xx.o
 obj-$(CONFIG_I2C_MPC)		+= i2c-mpc.o
 obj-$(CONFIG_I2C_MV64XXX)	+= i2c-mv64xxx.o
 obj-$(CONFIG_I2C_MXS)		+= i2c-mxs.o