Kconfig

config OF_DEVICE
	def_bool y
	depends on OF && (SPARC || PPC_OF)

config OF_GPIO
	def_bool y
	depends on OF && PPC_OF && HAVE_GPIO_LIB
	help
	  OpenFirmware GPIO accessors

config OF_I2C
	def_tristate I2C
	depends on PPC_OF && I2C
	help
	  OpenFirmware I2C accessors