drivers/of/Kconfig

   1 config DTC
   2         bool
   3
   4 menuconfig OF
   5         bool "Device Tree and Open Firmware support"
   6         help
   7           This option enables the device tree infrastructure.
   8           It is automatically selected by platforms that need it or can
   9           be enabled manually for unittests, overlays or
  10           compile-coverage.
  11
  12 if OF
  13
  14 config OF_UNITTEST
  15         bool "Device Tree runtime unit tests"
  16         depends on OF_IRQ
  17         select OF_EARLY_FLATTREE
  18         select OF_RESOLVE
  19         help
  20           This option builds in test cases for the device tree infrastructure
  21           that are executed once at boot time, and the results dumped to the
  22           console.
  23
  24           If unsure, say N here, but this option is safe to enable.
  25
  26 config OF_ALL_DTBS
  27         bool "Build all Device Tree Blobs"
  28         depends on COMPILE_TEST
  29         select DTC
  30         help
  31           This option builds all possible Device Tree Blobs (DTBs) for the
  32           current architecture.
  33
  34           If unsure, say N here, but this option is safe to enable.
  35
  36 config OF_FLATTREE
  37         bool
  38         select DTC
  39         select LIBFDT
  40         select CRC32
  41
  42 config OF_EARLY_FLATTREE
  43         bool
  44         select OF_FLATTREE
  45
  46 config OF_PROMTREE
  47         bool
  48
  49 config OF_KOBJ
  50         def_bool SYSFS
  51
  52 # Hardly any platforms need this.  It is safe to select, but only do so if you
  53 # need it.
  54 config OF_DYNAMIC
  55         bool "Support for dynamic device trees" if OF_UNITTEST
  56         select OF_KOBJ
  57         help
  58           On some platforms, the device tree can be manipulated at runtime.
  59           While this option is selected automatically on such platforms, you
  60           can enable it manually to improve device tree unit test coverage.
  61
  62 config OF_ADDRESS
  63         def_bool y
  64         depends on !SPARC && HAS_IOMEM
  65         select OF_ADDRESS_PCI if PCI
  66
  67 config OF_ADDRESS_PCI
  68         bool
  69
  70 config OF_IRQ
  71         def_bool y
  72         depends on !SPARC && IRQ_DOMAIN
  73
  74 config OF_NET
  75         depends on NETDEVICES
  76         def_bool y
  77
  78 config OF_MDIO
  79         def_tristate PHYLIB
  80         depends on PHYLIB
  81         select FIXED_PHY
  82         help
  83           OpenFirmware MDIO bus (Ethernet PHY) accessors
  84
  85 config OF_PCI
  86         def_tristate PCI
  87         depends on PCI
  88         help
  89           OpenFirmware PCI bus accessors
  90
  91 config OF_PCI_IRQ
  92         def_tristate PCI
  93         depends on OF_PCI && OF_IRQ
  94         help
  95           OpenFirmware PCI IRQ routing helpers
  96
  97 config OF_RESERVED_MEM
  98         depends on OF_EARLY_FLATTREE
  99         bool
 100         help
 101           Helpers to allow for reservation of memory regions
 102
 103 config OF_RESOLVE
 104         bool
 105
 106 config OF_OVERLAY
 107         bool "Device Tree overlays"
 108         select OF_DYNAMIC
 109         select OF_RESOLVE
 110         help
 111           Overlays are a method to dynamically modify part of the kernel's
 112           device tree with dynamically loaded data.
 113           While this option is selected automatically when needed, you can
 114           enable it manually to improve device tree unit test coverage.
 115
 116 config OF_NUMA
 117         bool
 118
 119 endif # OF