7 menu "Device Tree and Open Firmware support"
10 config PROC_DEVICETREE
11 bool "Support for device tree in /proc"
12 depends on PROC_FS && !SPARC
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.
19 bool "Device Tree Runtime self tests"
21 This option builds in test cases for the device tree infrastructure
22 that are executed one at boot time, and the results dumped to the
25 If unsure, say N here, but this option is safe to enable.
31 config OF_EARLY_FLATTREE
55 depends on GPIOLIB && !SPARC
57 OpenFirmware GPIO accessors
61 depends on I2C && !SPARC
63 OpenFirmware I2C accessors
71 depends on SPI && !SPARC
73 OpenFirmware SPI accessors
79 OpenFirmware MDIO bus (Ethernet PHY) accessors
85 OpenFirmware PCI bus accessors
89 depends on OF_PCI && OF_IRQ
91 OpenFirmware PCI IRQ routing helpers