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[1/7] kbuild: add support for building %.dtbo targets

Message ID 1535459532-17211-2-git-send-email-t-kristo@ti.com
State Superseded
Headers show
Series ARM32/64: DT overlay build support | expand

Commit Message

Tero Kristo Aug. 28, 2018, 12:32 p.m. UTC 
Add support for building DT overlay targets, which can be applied
either runtime or statically on top of base devicetree blobs. The
only supported runtime application of overlays right now is during
bootloader execution; if the bootloader in question supports this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

---
 scripts/Makefile.lib | 3 +++
 1 file changed, 3 insertions(+)

-- 
1.9.1

--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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Patch

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 61e5966..527aab9 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -292,6 +292,9 @@  cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
 $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
 	$(call if_changed_dep,dtc)
 
+$(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE
+	$(call if_changed_dep,dtc)
+
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 
 # Bzip2