drivers/of/Kconfig

   1 config DTC
   2         bool
   3
   4 config OF
   5         bool
   6
   7 menu "Device Tree and Open Firmware support"
   8         depends on OF
   9
  10 config OF_UNITTEST
  11         bool "Device Tree runtime unit tests"
  12         depends on OF_IRQ && OF_EARLY_FLATTREE
  13         select OF_RESOLVE
  14         help
  15           This option builds in test cases for the device tree infrastructure
  16           that are executed once at boot time, and the results dumped to the
  17           console.
  18
  19           If unsure, say N here, but this option is safe to enable.
  20
  21 config OF_FLATTREE
  22         bool
  23         select DTC
  24         select LIBFDT
  25         select CRC32
  26
  27 config OF_EARLY_FLATTREE
  28         bool
  29         select OF_FLATTREE
  30
  31 config OF_PROMTREE
  32         bool
  33
  34 # Hardly any platforms need this.  It is safe to select, but only do so if you
  35 # need it.
  36 config OF_DYNAMIC
  37         bool "Support for dynamic device trees" if OF_UNITTEST
  38         help
  39           On some platforms, the device tree can be manipulated at runtime.
  40           While this option is selected automatically on such platforms, you
  41           can enable it manually to improve device tree unit test coverage.
  42
  43 config OF_ADDRESS
  44         def_bool y
  45         depends on !SPARC
  46         select OF_ADDRESS_PCI if PCI
  47
  48 config OF_ADDRESS_PCI
  49         bool
  50
  51 config OF_IRQ
  52         def_bool y
  53         depends on !SPARC
  54
  55 config OF_NET
  56         depends on NETDEVICES
  57         def_bool y
  58
  59 config OF_MDIO
  60         def_tristate PHYLIB
  61         depends on PHYLIB
  62         help
  63           OpenFirmware MDIO bus (Ethernet PHY) accessors
  64
  65 config OF_PCI
  66         def_tristate PCI
  67         depends on PCI
  68         help
  69           OpenFirmware PCI bus accessors
  70
  71 config OF_PCI_IRQ
  72         def_tristate PCI
  73         depends on OF_PCI && OF_IRQ
  74         help
  75           OpenFirmware PCI IRQ routing helpers
  76
  77 config OF_MTD
  78         depends on MTD
  79         def_bool y
  80
  81 config OF_RESERVED_MEM
  82         depends on OF_EARLY_FLATTREE
  83         bool
  84         help
  85           Helpers to allow for reservation of memory regions
  86
  87 config OF_RESOLVE
  88         bool
  89
  90 config OF_OVERLAY
  91         bool "Device Tree overlays"
  92         select OF_DYNAMIC
  93         select OF_RESOLVE
  94         help
  95           Overlays are a method to dynamically modify part of the kernel's
  96           device tree with dynamically loaded data.
  97           While this option is selected automatically when needed, you can
  98           enable it manually to improve device tree unit test coverage.
  99
 100 endmenu # OF