dts/Kconfig

   1 #
   2 # Device Tree Control
   3 #
   4 # TODO:
   5 #   This feature is not currently supported for SPL,
   6 #    but this restriction should be removed in the future.
   7
   8 config SUPPORT_OF_CONTROL
   9         bool
  10
  11 menu "Device Tree Control"
  12         depends on !SPL_BUILD
  13         depends on SUPPORT_OF_CONTROL
  14
  15 config OF_CONTROL
  16         bool "Run-time configuration via Device Tree"
  17         help
  18           This feature provides for run-time configuration of U-Boot
  19           via a flattened device tree.
  20
  21 choice
  22         prompt "Provider of DTB for DT control"
  23         depends on OF_CONTROL
  24
  25 config OF_SEPARATE
  26         bool "Separate DTB for DT control"
  27         depends on !SANDBOX
  28         help
  29           If this option is enabled, the device tree will be built and
  30           placed as a separate u-boot.dtb file alongside the U-Boot image.
  31
  32 config OF_EMBED
  33         bool "Embedded DTB for DT control"
  34         help
  35           If this option is enabled, the device tree will be picked up and
  36           built into the U-Boot image.
  37
  38 config OF_HOSTFILE
  39         bool "Host filed DTB for DT control"
  40         depends on SANDBOX
  41         help
  42           If this option is enabled, DTB will be read from a file on startup.
  43           This is only useful for Sandbox.  Use the -d flag to U-Boot to
  44           specify the file to read.
  45
  46 endchoice
  47
  48 config DEFAULT_DEVICE_TREE
  49         string "Default Device Tree for DT control"
  50         help
  51           This option specifies the default Device Tree used for DT control.
  52           It can be overrided from the command line:
  53           $ make DEVICE_TREE=<device-tree-name>
  54
  55 endmenu