[RFC PATCH v2 66/74] tests: fdtaddon: Add a basic test for addons using an orphan nodes
From: Herve Codina <herve.codina@bootlin.com>
Date: 2026-08-26 09:54:01
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Orphan nodes are available in addons. Add a test checking the application of an addon when orphan nodes are involved. Signed-off-by: Herve Codina <herve.codina@bootlin.com> --- tests/fdtaddon_basics2-merged1.dtb.dts.expect | 35 +++++++++++++++++++ tests/fdtaddon_basics2-merged1.dtb.expect | 27 ++++++++++++++ tests/fdtaddon_basics2-merged2.dtb.dts.expect | 35 +++++++++++++++++++ tests/fdtaddon_basics2-merged2.dtb.expect | 27 ++++++++++++++ tests/fdtaddon_basics2.dtba.expect | 9 +++++ tests/fdtaddon_basics2.dtsa | 15 ++++++++ tests/run_tests.sh | 2 +- 7 files changed, 149 insertions(+), 1 deletion(-) create mode 100644 tests/fdtaddon_basics2-merged1.dtb.dts.expect create mode 100644 tests/fdtaddon_basics2-merged1.dtb.expect create mode 100644 tests/fdtaddon_basics2-merged2.dtb.dts.expect create mode 100644 tests/fdtaddon_basics2-merged2.dtb.expect create mode 100644 tests/fdtaddon_basics2.dtba.expect create mode 100644 tests/fdtaddon_basics2.dtsa
diff --git a/tests/fdtaddon_basics2-merged1.dtb.dts.expect b/tests/fdtaddon_basics2-merged1.dtb.dts.expect
new file mode 100644
index 00000000..927733c1
--- /dev/null
+++ b/tests/fdtaddon_basics2-merged1.dtb.dts.expect@@ -0,0 +1,35 @@ +/dts-v1/; + +/ { + + base-node { + + sub-node { + prop = <0x00>; + phandle = <0x02>; + }; + }; + + somewhere { + + node-a1 { + compatible = "abc,aaa"; + phandle = <0x01>; + + /export/ node_a: &{/somewhere/node-a1}; + /export/ other: &{/base-node/sub-node}; + + addon-node { + prop = <0x00>; + }; + }; + + node-a2 { + compatible = "abc,aaa"; + phandle = <0x03>; + + /export/ node_a: &{/somewhere/node-a2}; + /export/ other: &{/base-node/sub-node}; + }; + }; +};
diff --git a/tests/fdtaddon_basics2-merged1.dtb.expect b/tests/fdtaddon_basics2-merged1.dtb.expect
new file mode 100644
index 00000000..966a43df
--- /dev/null
+++ b/tests/fdtaddon_basics2-merged1.dtb.expect@@ -0,0 +1,27 @@ +/dts-v1/; + +/ { + base-node { + sub-node { + prop = <0x00000000>; + phandle = <0x00000002>; + }; + }; + somewhere { + node-a1 { + // [FDT_EXPORT_SYM] 'node_a' -> phandle 0x00000001 + // [FDT_EXPORT_SYM] 'other' -> phandle 0x00000002 + compatible = "abc,aaa"; + phandle = <0x00000001>; + addon-node { + prop = <0x00000000>; + }; + }; + node-a2 { + // [FDT_EXPORT_SYM] 'node_a' -> phandle 0x00000003 + // [FDT_EXPORT_SYM] 'other' -> phandle 0x00000002 + compatible = "abc,aaa"; + phandle = <0x00000003>; + }; + }; +};
diff --git a/tests/fdtaddon_basics2-merged2.dtb.dts.expect b/tests/fdtaddon_basics2-merged2.dtb.dts.expect
new file mode 100644
index 00000000..d85567b7
--- /dev/null
+++ b/tests/fdtaddon_basics2-merged2.dtb.dts.expect@@ -0,0 +1,35 @@ +/dts-v1/; + +/ { + + base-node { + + sub-node { + prop = <0x00>; + phandle = <0x02>; + }; + }; + + somewhere { + + node-a1 { + compatible = "abc,aaa"; + phandle = <0x01>; + + /export/ node_a: &{/somewhere/node-a1}; + /export/ other: &{/base-node/sub-node}; + }; + + node-a2 { + compatible = "abc,aaa"; + phandle = <0x03>; + + /export/ node_a: &{/somewhere/node-a2}; + /export/ other: &{/base-node/sub-node}; + + addon-node { + prop = <0x00>; + }; + }; + }; +};
diff --git a/tests/fdtaddon_basics2-merged2.dtb.expect b/tests/fdtaddon_basics2-merged2.dtb.expect
new file mode 100644
index 00000000..ca9c7ba0
--- /dev/null
+++ b/tests/fdtaddon_basics2-merged2.dtb.expect@@ -0,0 +1,27 @@ +/dts-v1/; + +/ { + base-node { + sub-node { + prop = <0x00000000>; + phandle = <0x00000002>; + }; + }; + somewhere { + node-a1 { + // [FDT_EXPORT_SYM] 'node_a' -> phandle 0x00000001 + // [FDT_EXPORT_SYM] 'other' -> phandle 0x00000002 + compatible = "abc,aaa"; + phandle = <0x00000001>; + }; + node-a2 { + // [FDT_EXPORT_SYM] 'node_a' -> phandle 0x00000003 + // [FDT_EXPORT_SYM] 'other' -> phandle 0x00000002 + compatible = "abc,aaa"; + phandle = <0x00000003>; + addon-node { + prop = <0x00000000>; + }; + }; + }; +};
diff --git a/tests/fdtaddon_basics2.dtba.expect b/tests/fdtaddon_basics2.dtba.expect
new file mode 100644
index 00000000..ec1582e6
--- /dev/null
+++ b/tests/fdtaddon_basics2.dtba.expect@@ -0,0 +1,9 @@ +/dts-v1/; +/addon/; + +// [FDT_IMPORT_SYM] 'node_a' (abc,aaa) +&node_a { + addon-node { + prop = <0x00000000>; + }; +};
diff --git a/tests/fdtaddon_basics2.dtsa b/tests/fdtaddon_basics2.dtsa
new file mode 100644
index 00000000..0dc70af9
--- /dev/null
+++ b/tests/fdtaddon_basics2.dtsa@@ -0,0 +1,15 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) +/* + * Copyright (C) 2026 Bootlin + */ + +/dts-v1/; +/addon/; + +/import/ node_a: "abc,aaa"; + +&node_a { + addon-node { + prop = <0>; + }; +};
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 3f80b183..558f4bd1 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh@@ -1303,7 +1303,7 @@ fdtaddon_tests() { run_dtc_test -I dts -O dtb -o fdtaddon_base.dtb "$SRCDIR/fdtaddon_base.dts" check_dtb fdtaddon_base.dtb - for dt in fdtaddon_basics1; do + for dt in fdtaddon_basics1 fdtaddon_basics2; do run_dtc_test -I dts -O dtb -o $dt.dtba "$SRCDIR/$dt.dtsa" check_dtb $dt.dtba
--
2.55.0