1config DTC 2 bool 3 4config OF 5 bool 6 7menu "Device Tree and Open Firmware support" 8 depends on OF 9 10config PROC_DEVICETREE 11 bool "Support for device tree in /proc" 12 depends on PROC_FS && !SPARC 13 help 14 This option adds a device-tree directory under /proc which contains 15 an image of the device tree that the kernel copies from Open 16 Firmware or other boot firmware. If unsure, say Y here. 17 18config OF_FLATTREE 19 bool 20 select DTC 21 22config OF_EARLY_FLATTREE 23 bool 24 select OF_FLATTREE 25 26config OF_PROMTREE 27 bool 28 29config OF_DYNAMIC 30 def_bool y 31 depends on PPC_OF 32 33config OF_ADDRESS 34 def_bool y 35 depends on !SPARC 36 37config OF_IRQ 38 def_bool y 39 depends on !SPARC 40 41config OF_DEVICE 42 def_bool y 43 44config OF_GPIO 45 def_bool y 46 depends on GPIOLIB && !SPARC 47 help 48 OpenFirmware GPIO accessors 49 50config OF_I2C 51 def_tristate I2C 52 depends on I2C && !SPARC 53 help 54 OpenFirmware I2C accessors 55 56config OF_NET 57 depends on NETDEVICES 58 def_bool y 59 60config OF_SPI 61 def_tristate SPI 62 depends on SPI && !SPARC 63 help 64 OpenFirmware SPI accessors 65 66config OF_MDIO 67 def_tristate PHYLIB 68 depends on PHYLIB 69 help 70 OpenFirmware MDIO bus (Ethernet PHY) accessors 71 72endmenu # OF 73