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 SUPPORT_OF_CONTROL
  13
  14 config OF_CONTROL
  15         bool "Run-time configuration via Device Tree"
  16         help
  17           This feature provides for run-time configuration of U-Boot
  18           via a flattened device tree.
  19
  20 choice
  21         prompt "Provider of DTB for DT control"
  22         depends on OF_CONTROL
  23
  24 config OF_SEPARATE
  25         bool "Separate DTB for DT control"
  26         depends on !SANDBOX
  27         help
  28           If this option is enabled, the device tree will be built and
  29           placed as a separate u-boot.dtb file alongside the U-Boot image.
  30
  31 config OF_EMBED
  32         bool "Embedded DTB for DT control"
  33         help
  34           If this option is enabled, the device tree will be picked up and
  35           built into the U-Boot image.
  36
  37 config OF_HOSTFILE
  38         bool "Host filed DTB for DT control"
  39         depends on SANDBOX
  40         help
  41           If this option is enabled, DTB will be read from a file on startup.
  42           This is only useful for Sandbox.  Use the -d flag to U-Boot to
  43           specify the file to read.
  44
  45 endchoice
  46
  47 config DEFAULT_DEVICE_TREE
  48         string "Default Device Tree for DT control"
  49         help
  50           This option specifies the default Device Tree used for DT control.
  51           It can be overridden from the command line:
  52           $ make DEVICE_TREE=<device-tree-name>
  53
  54 endmenu