config OF_DEVICE def_bool y depends on OF && (SPARC || PPC_OF || MICROBLAZE) config OF_GPIO def_bool y depends on OF && (PPC_OF || MICROBLAZE) && GPIOLIB help OpenFirmware GPIO accessors config OF_I2C def_tristate I2C depends on (PPC_OF || MICROBLAZE) && I2C help OpenFirmware I2C accessors config OF_SPI def_tristate SPI depends on OF && (PPC_OF || MICROBLAZE) && SPI help OpenFirmware SPI accessors config OF_MDIO def_tristate PHYLIB depends on OF && PHYLIB help OpenFirmware MDIO bus (Ethernet PHY) accessors