Kconfig
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#
# Device Tree Control
#
# TODO:
# This feature is not currently supported for SPL,
# but this restriction should be removed in the future.
config SUPPORT_OF_CONTROL
bool
menu "Device Tree Control"
depends on SUPPORT_OF_CONTROL
config OF_CONTROL
bool "Run-time configuration via Device Tree"
help
This feature provides for run-time configuration of U-Boot
via a flattened device tree.
choice
prompt "Provider of DTB for DT control"
depends on OF_CONTROL
config OF_SEPARATE
bool "Separate DTB for DT control"
depends on !SANDBOX
help
If this option is enabled, the device tree will be built and
placed as a separate u-boot.dtb file alongside the U-Boot image.
config OF_EMBED
bool "Embedded DTB for DT control"
help
If this option is enabled, the device tree will be picked up and
built into the U-Boot image.
config OF_HOSTFILE
bool "Host filed DTB for DT control"
depends on SANDBOX
help
If this option is enabled, DTB will be read from a file on startup.
This is only useful for Sandbox. Use the -d flag to U-Boot to
specify the file to read.
endchoice
config DEFAULT_DEVICE_TREE
string "Default Device Tree for DT control"
help
This option specifies the default Device Tree used for DT control.
It can be overridden from the command line:
$ make DEVICE_TREE=<device-tree-name>
endmenu