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- config DTC
- bool
- menuconfig OF
- bool "Device Tree and Open Firmware support"
- help
- This option enables the device tree infrastructure.
- It is automatically selected by platforms that need it or can
- be enabled manually for unittests, overlays or
- compile-coverage.
- if OF
- config OF_UNITTEST
- bool "Device Tree runtime unit tests"
- depends on OF_IRQ
- select OF_EARLY_FLATTREE
- select OF_RESOLVE
- help
- This option builds in test cases for the device tree infrastructure
- that are executed once at boot time, and the results dumped to the
- console.
- If unsure, say N here, but this option is safe to enable.
- config OF_FLATTREE
- bool
- select DTC
- select LIBFDT
- select CRC32
- config OF_EARLY_FLATTREE
- bool
- select OF_FLATTREE
- config OF_PROMTREE
- bool
- # Hardly any platforms need this. It is safe to select, but only do so if you
- # need it.
- config OF_DYNAMIC
- bool "Support for dynamic device trees" if OF_UNITTEST
- help
- On some platforms, the device tree can be manipulated at runtime.
- While this option is selected automatically on such platforms, you
- can enable it manually to improve device tree unit test coverage.
- config OF_ADDRESS
- def_bool y
- depends on !SPARC
- select OF_ADDRESS_PCI if PCI
- config OF_ADDRESS_PCI
- bool
- config OF_IRQ
- def_bool y
- depends on !SPARC && IRQ_DOMAIN
- config OF_NET
- depends on NETDEVICES
- def_bool y
- config OF_MDIO
- def_tristate PHYLIB
- depends on PHYLIB
- help
- OpenFirmware MDIO bus (Ethernet PHY) accessors
- config OF_PCI
- def_tristate PCI
- depends on PCI
- help
- OpenFirmware PCI bus accessors
- config OF_PCI_IRQ
- def_tristate PCI
- depends on OF_PCI && OF_IRQ
- help
- OpenFirmware PCI IRQ routing helpers
- config OF_MTD
- depends on MTD
- def_bool y
- config OF_RESERVED_MEM
- depends on OF_EARLY_FLATTREE
- bool
- help
- Helpers to allow for reservation of memory regions
- config OF_RESOLVE
- bool
- config OF_OVERLAY
- bool "Device Tree overlays"
- select OF_DYNAMIC
- select OF_RESOLVE
- help
- Overlays are a method to dynamically modify part of the kernel's
- device tree with dynamically loaded data.
- While this option is selected automatically when needed, you can
- enable it manually to improve device tree unit test coverage.
- endif # OF
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