This adjusts OF_UPSTREAM to behave more like the kernel by allowing for all the devicetree files for a given vendor to be compiled. This is useful for Qualcomm in particular as most boards are supported by a single U-Boot build just provided with a different DT.
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org --- dts/Kconfig | 24 ++++++++++++++++++++++++ scripts/Makefile.dts | 13 +++++++++++++ 2 files changed, 37 insertions(+)
diff --git a/dts/Kconfig b/dts/Kconfig index b9b6367154ef..6883a000a052 100644 --- a/dts/Kconfig +++ b/dts/Kconfig @@ -100,8 +100,32 @@ config OF_UPSTREAM However, newer boards whose devicetree source files haven't landed in the dts/upstream subtree, they can override this option to have the DT build from existing U-Boot tree location instead.
+config OF_UPSTREAM_BUILD_VENDOR + bool "Build all devicetree files for a particular vendor" + depends on OF_UPSTREAM + help + Enable building all devicetree files for a particular vendor. This + is useful for generic U-Boot configurations where many boards can + be supported with a single binary. + + This is only available for platforms using upstream devicetree. + +config OF_UPSTREAM_VENDOR + string "Vendor to build all upstream devicetree files for" + depends on OF_UPSTREAM_BUILD_VENDOR + default "qcom" if ARCH_SNAPDRAGON + default "rockchip" if ARCH_ROCKCHIP + default "amlogic" if ARCH_MESON + default "allwinner" if ARCH_SUNXI + default "mediatek" if ARCH_MEDIATEK + default "marvell" if ARCH_MVEBU || ARCH_KIRKWOOD + default "xilinx" if ARCH_VERSAL || ARCH_ZYNQ + default "nvidia" if ARCH_TEGRA + help + Select the vendor to build all devicetree files for. + choice prompt "Provider of DTB for DT control" depends on OF_CONTROL
diff --git a/scripts/Makefile.dts b/scripts/Makefile.dts index 5e2429c6170c..790f3c508f19 100644 --- a/scripts/Makefile.dts +++ b/scripts/Makefile.dts @@ -1,3 +1,16 @@ # 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