# SPDX-License-Identifier: GPL-2.0+
dtb-y += $(patsubst %,%.dtb,$(subst ",,$(CONFIG_DEFAULT_DEVICE_TREE) $(CONFIG_OF_LIST) $(CONFIG_SPL_OF_LIST)))
+
+ifeq ($(CONFIG_OF_UPSTREAM_BUILD_VENDOR),y)
+ifeq ($(CONFIG_ARM64),y)
+dt_dir := $(srctree)/dts/upstream/src/arm64
+else
+dt_dir := $(srctree)/dts/upstream/src/$(ARCH)
+endif
+
+dtb-vendor_dts := $(patsubst %.dts,%.dtb,$(wildcard $(dt_dir)/$(subst ",,$(CONFIG_OF_UPSTREAM_VENDOR))/*.dts))
+
+dtb-y += $(subst $(dt_dir)/,,$(dtb-vendor_dts))
+
+endif