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 endmenu