1 # SPDX-License-Identifier: GPL-2.0
2 obj-y += testcases.dtb.o
4 obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \
20 overlay_bad_add_dup_node.dtb.o \
21 overlay_bad_add_dup_prop.dtb.o \
22 overlay_bad_phandle.dtb.o \
23 overlay_bad_symbol.dtb.o \
25 overlay_gpio_01.dtb.o \
26 overlay_gpio_02a.dtb.o \
27 overlay_gpio_02b.dtb.o \
28 overlay_gpio_03.dtb.o \
29 overlay_gpio_04a.dtb.o \
30 overlay_gpio_04b.dtb.o
32 # enable creation of __symbols__ node
33 DTC_FLAGS_overlay += -@
34 DTC_FLAGS_overlay_bad_phandle += -@
35 DTC_FLAGS_overlay_bad_symbol += -@
36 DTC_FLAGS_overlay_base += -@
37 DTC_FLAGS_testcases += -@
39 # suppress warnings about intentional errors
40 DTC_FLAGS_testcases += -Wno-interrupts_property
42 # Apply overlays statically with fdtoverlay. This is a build time test that
43 # the overlays can be applied successfully by fdtoverlay. This does not
44 # guarantee that the overlays can be applied successfully at run time by
45 # unittest, but it provides a bit of build time test coverage for those
46 # who do not execute unittest.
48 # The overlays are applied on top of static_base_1.dtb and static_base_2.dtb to
49 # create static_test_1.dtb and static_test_2.dtb. If fdtoverlay detects an
50 # error than the kernel build will fail. static_test_1.dtb and
51 # static_test_2.dtb are not consumed by unittest.
53 # Some unittest overlays deliberately contain errors that unittest checks for.
54 # These overlays will cause fdtoverlay to fail, and are thus not included
56 # overlay_bad_add_dup_node.dtbo \
57 # overlay_bad_add_dup_prop.dtbo \
58 # overlay_bad_phandle.dtbo \
59 # overlay_bad_symbol.dtbo \
61 apply_static_overlay_1 := overlay_0.dtbo \
76 overlay_gpio_01.dtbo \
77 overlay_gpio_02a.dtbo \
78 overlay_gpio_02b.dtbo \
79 overlay_gpio_03.dtbo \
80 overlay_gpio_04a.dtbo \
83 apply_static_overlay_2 := overlay.dtbo
85 static_test_1-dtbs := static_base_1.dtb $(apply_static_overlay_1)
86 static_test_2-dtbs := static_base_2.dtb $(apply_static_overlay_2)
88 dtb-$(CONFIG_OF_OVERLAY) += static_test_1.dtb static_test_2.dtb