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-rw-r--r--dts/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/dts/Kconfig b/dts/Kconfig
index 9a0622154a..b3009af03f 100644
--- a/dts/Kconfig
+++ b/dts/Kconfig
@@ -32,6 +32,17 @@ config SPL_OF_CONTROL
which is not enough to support device tree. Enable this option to
allow such boards to be supported by U-Boot SPL.
+config OF_LIVE
+ bool "Enable use of a live tree"
+ depends on OF_CONTROL
+ help
+ Normally U-Boot uses a flat device tree which saves space and
+ avoids the need to unpack the tree before use. However a flat
+ tree does not support modifcation from within U-Boot since it
+ can invalidate driver-model device tree offsets. This option
+ enables a live tree which is available after relocation,
+ and can be adjusted as needed.
+
choice
prompt "Provider of DTB for DT control"
depends on OF_CONTROL