add driver for the bouffalolabs bl808 i2c bus

Author: Hunter1753

drivers/i2c/busses/Kconfig

@@ -1221,6 +1221,16 @@ config I2C_RCAR
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-rcar.
 
+config I2C_BL808
+		tristate "Bouffalo Lab BL808 I2C driver"
+		depends on SOC_BOUFFALOLAB
+		help
+		  This driver provides support for the I2C bus
+		  hardware found on Bouffalo Lab BL808 SoCs.
+
+		  To compile this driver as a module, choose M here. The
+	  	  module will be called i2c-bl808. If unsure, say N.
+
 comment "External I2C/SMBus adapter drivers"
 
 config I2C_DIOLAN_U2C

drivers/i2c/busses/Makefile

@@ -47,6 +47,7 @@ obj-$(CONFIG_I2C_AU1550)	+= i2c-au1550.o
 obj-$(CONFIG_I2C_AXXIA)		+= i2c-axxia.o
 obj-$(CONFIG_I2C_BCM2835)	+= i2c-bcm2835.o
 obj-$(CONFIG_I2C_BCM_IPROC)	+= i2c-bcm-iproc.o
+obj-$(CONFIG_I2C_BL808)		+= i2c-bl808.o
 obj-$(CONFIG_I2C_CADENCE)	+= i2c-cadence.o
 obj-$(CONFIG_I2C_CBUS_GPIO)	+= i2c-cbus-gpio.o
 obj-$(CONFIG_I2C_CPM)		+= i2c-cpm.o