[RFC PATCH 3/7] scripts/dtc: Build fdtget and fdtput host tools

From: Douglas Anderson

Date: Tue Oct 20 2026 - 12:06:41 EST


Build `fdtget` and `fdtput` alongside `dtc` and `fdtoverlay` when
`CONFIG_DTC` is enabled so Kbuild rules can query and update properties
in compiled device tree / FIT blobs.

Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---

scripts/dtc/.gitignore | 2 ++
scripts/dtc/Makefile | 6 ++++--
2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/scripts/dtc/.gitignore b/scripts/dtc/.gitignore
index e0b5c1d2464a..24357adc8896 100644
--- a/scripts/dtc/.gitignore
+++ b/scripts/dtc/.gitignore
@@ -1,3 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
/dtc
/fdtoverlay
+/fdtget
+/fdtput
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index b47f4daa4515..6bce3542d8a9 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -2,7 +2,7 @@
# scripts/dtc makefile

# *** Also keep .gitignore in sync when changing ***
-hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay
+hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay fdtget fdtput
hostprogs-always-$(CHECK_DTBS) += dtc

dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
@@ -10,10 +10,12 @@ dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o

# The upstream project builds libfdt as a separate library. We are choosing to
-# instead directly link the libfdt object files into fdtoverlay.
+# instead directly link the libfdt object files into the host tools.
libfdt-objs := fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o fdt_empty_tree.o fdt_addresses.o fdt_overlay.o
libfdt = $(addprefix libfdt/,$(libfdt-objs))
fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o
+fdtget-objs := $(libfdt) fdtget.o util.o
+fdtput-objs := $(libfdt) fdtput.o util.o

# Source files need to get at the userspace version of libfdt_env.h to compile
HOST_EXTRACFLAGS += -I $(src)/libfdt
--
2.56.0.212.g129ede20d9-goog