[RFC PATCH v2 60/74] tests: metadata: Add a test for references by path involving orphan nodes
From: Herve Codina
Date: Wed Aug 26 2026 - 06:01:07 EST
The syntax '&{$<orphan_name>/<path>}' allows to reference by path a node
that belongs to an orphan node.
Add a test related to this kind of references.
Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
---
.../metadata_addon_references.dtb.dts.expect | 47 +++++++++++++++++++
tests/metadata_addon_references.dtb.expect | 47 +++++++++++++++++++
tests/metadata_addon_references.dts | 43 +++++++++++++++++
.../metadata_addon_references.dts.dts.expect | 47 +++++++++++++++++++
tests/run_tests.sh | 2 +-
5 files changed, 185 insertions(+), 1 deletion(-)
create mode 100644 tests/metadata_addon_references.dtb.dts.expect
create mode 100644 tests/metadata_addon_references.dtb.expect
create mode 100644 tests/metadata_addon_references.dts
create mode 100644 tests/metadata_addon_references.dts.dts.expect
diff --git a/tests/metadata_addon_references.dtb.dts.expect b/tests/metadata_addon_references.dtb.dts.expect
new file mode 100644
index 00000000..ccd7c849
--- /dev/null
+++ b/tests/metadata_addon_references.dtb.dts.expect
@@ -0,0 +1,47 @@
+/dts-v1/;
+/addon/;
+
+/ {
+
+ sub-node {
+ ref1-base1 = <&base1>;
+ ref2-base1-addon-node = <&{$base1/addon-node}>;
+ ref3-base1-addon-node = <&{$base1/addon-node}>;
+ ref4-base1-addon-node = <&{$base1/addon-node}>;
+ ref5-base3 = <&base3>;
+ ref6-base3 = <&base3>;
+ ref7-base3-subsubnode = <&{$base3/sub-node/sub-subnode}>;
+ phandle = <0x03>;
+ };
+};
+
+&base1 {
+
+ addon-node {
+ prop = <0x02>;
+ phandle = <0x01>;
+ };
+};
+
+&base2 {
+
+ addon-node1 {
+ ref-base1-addon-node = <&{$base1/addon-node}>;
+ };
+
+ addon-node2 {
+ ref-root-sub-node = <&{/sub-node}>;
+ };
+};
+
+&base3 {
+
+ sub-node {
+ prop = <0x03>;
+
+ sub-subnode {
+ prop = <0x04>;
+ phandle = <0x02>;
+ };
+ };
+};
diff --git a/tests/metadata_addon_references.dtb.expect b/tests/metadata_addon_references.dtb.expect
new file mode 100644
index 00000000..c58e3b2d
--- /dev/null
+++ b/tests/metadata_addon_references.dtb.expect
@@ -0,0 +1,47 @@
+/dts-v1/;
+/addon/;
+
+/ {
+ sub-node {
+ ref1-base1 = <0xffffffff>;
+ // [FDT_PROPDATA_PHANDLE_REF] ref1-base1[0], ref = base1
+ ref2-base1-addon-node = <0x00000001>;
+ // [FDT_PROPDATA_PHANDLE] ref2-base1-addon-node[0]
+ ref3-base1-addon-node = <0x00000001>;
+ // [FDT_PROPDATA_PHANDLE] ref3-base1-addon-node[0]
+ ref4-base1-addon-node = <0x00000001>;
+ // [FDT_PROPDATA_PHANDLE] ref4-base1-addon-node[0]
+ ref5-base3 = <0xffffffff>;
+ // [FDT_PROPDATA_PHANDLE_REF] ref5-base3[0], ref = base3
+ ref6-base3 = <0xffffffff>;
+ // [FDT_PROPDATA_PHANDLE_REF] ref6-base3[0], ref = base3
+ ref7-base3-subsubnode = <0x00000002>;
+ // [FDT_PROPDATA_PHANDLE] ref7-base3-subsubnode[0]
+ phandle = <0x00000003>;
+ };
+};
+&base1 {
+ addon-node {
+ prop = <0x00000002>;
+ phandle = <0x00000001>;
+ };
+};
+&base2 {
+ addon-node1 {
+ ref-base1-addon-node = <0x00000001>;
+ // [FDT_PROPDATA_PHANDLE] ref-base1-addon-node[0]
+ };
+ addon-node2 {
+ ref-root-sub-node = <0x00000003>;
+ // [FDT_PROPDATA_PHANDLE] ref-root-sub-node[0]
+ };
+};
+&base3 {
+ sub-node {
+ prop = <0x00000003>;
+ sub-subnode {
+ prop = <0x00000004>;
+ phandle = <0x00000002>;
+ };
+ };
+};
diff --git a/tests/metadata_addon_references.dts b/tests/metadata_addon_references.dts
new file mode 100644
index 00000000..239c1416
--- /dev/null
+++ b/tests/metadata_addon_references.dts
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+/*
+ * Copyright (C) 2026 Bootlin
+ */
+
+/dts-v1/;
+/addon/;
+
+/ {
+ sub_node: sub-node {
+ ref1-base1 = <&base1>;
+ ref2-base1-addon-node = <&b1_addon>;
+ ref3-base1-addon-node = <&{$base1/addon-node}>;
+ ref4-base1-addon-node = <&{$base1/addon-node/}>;
+ ref5-base3 = <&{$base3}>;
+ ref6-base3 = <&{$base3/}>;
+ ref7-base3-subsubnode = <&{$base3/sub-node/sub-subnode}>;
+ };
+};
+
+&base1 {
+ b1_addon: addon-node {
+ prop = <2>;
+ };
+};
+
+&base2 {
+ addon-node1 {
+ ref-base1-addon-node = <&b1_addon>;
+ };
+ addon-node2 {
+ ref-root-sub-node = <&sub_node>;
+ };
+};
+
+&base3 {
+ sub-node {
+ prop = <3>;
+ sub-subnode {
+ prop = <4>;
+ };
+ };
+};
diff --git a/tests/metadata_addon_references.dts.dts.expect b/tests/metadata_addon_references.dts.dts.expect
new file mode 100644
index 00000000..47c30a1f
--- /dev/null
+++ b/tests/metadata_addon_references.dts.dts.expect
@@ -0,0 +1,47 @@
+/dts-v1/;
+/addon/;
+
+/ {
+
+ sub_node: sub-node {
+ ref1-base1 = <&base1>;
+ ref2-base1-addon-node = <&b1_addon>;
+ ref3-base1-addon-node = <&{$base1/addon-node}>;
+ ref4-base1-addon-node = <&{$base1/addon-node/}>;
+ ref5-base3 = <&base3>;
+ ref6-base3 = <&base3>;
+ ref7-base3-subsubnode = <&{$base3/sub-node/sub-subnode}>;
+ phandle = <0x03>;
+ };
+};
+
+&base1 {
+
+ b1_addon: addon-node {
+ prop = <0x02>;
+ phandle = <0x01>;
+ };
+};
+
+&base2 {
+
+ addon-node1 {
+ ref-base1-addon-node = <&b1_addon>;
+ };
+
+ addon-node2 {
+ ref-root-sub-node = <&sub_node>;
+ };
+};
+
+&base3 {
+
+ sub-node {
+ prop = <0x03>;
+
+ sub-subnode {
+ prop = <0x04>;
+ phandle = <0x02>;
+ };
+ };
+};
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index ab09d745..61a69fcb 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -1252,7 +1252,7 @@ metadata_tests() {
metadata_addon_base metadata_exportsyms_local \
metadata_exportsyms_ref metadata_importsyms \
metadata_addon_orphan1 metadata_addon_orphan2 \
- metadata_addon_orphan3; do
+ metadata_addon_orphan3 metadata_addon_references; do
run_dtc_test -I dts -O dts -o $dt.dts.dts "$SRCDIR/$dt.dts"
base_run_test check_diff $dt.dts.dts "$SRCDIR/$dt.dts.dts.expect"
run_dtc_test -I dts -O dtb -o $dt.dtb "$SRCDIR/$dt.dts"
--
2.55.0