commit 548799e3fc94f1c4cf4ab96feec06e2b51612a46
author Eric Schikschneit <eric.schikschneit@novatechautomation.com> Tue Jun 03 12:06:24 2025 -0500
committer Tom Rini <trini@konsulko.com> Thu Jun 19 19:00:09 2025 -0600
tree f24f27348d09c788043072fe0535e0be808e6634
parent 932b6c2ef004e35c9d8589ac8264da1f1ec38853

dtc: Add Kconfig option to pad device tree blob

This will allow arch(s) that use device tree blobs to pad the end of the
device tree so they can be modified by board files at run time. This will
help prevent errors such as FDT_ERR_NOSPACE from occurring.

Signed-off-by: Eric Schikschneit <eric.schikschneit@novatechautomation.com>
[trini: Change default order so that X86 && EFI_APP works correctly]

scripts/Makefile.dts

diff --git a/scripts/Makefile.dts b/scripts/Makefile.dts
index 685e337..3871a4a 100644
--- a/scripts/Makefile.dts
+++ b/scripts/Makefile.dts
@@ -16,6 +16,10 @@
 
 endif
 
+ifneq ($(CONFIG_SYS_DTC_PAD_BYTES),0)
+DTC_FLAGS += -p $(CONFIG_SYS_DTC_PAD_BYTES)
+endif
+
 targets += $(dtb-y)
 
 PHONY += dtbs