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Message-ID: <20260112142009.1006236-66-herve.codina@bootlin.com>
Date: Mon, 12 Jan 2026 15:19:55 +0100
From: Herve Codina <herve.codina@...tlin.com>
To: David Gibson <david@...son.dropbear.id.au>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Ayush Singh <ayush@...gleboard.org>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
devicetree-compiler@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
devicetree-spec@...r.kernel.org,
Hui Pu <hui.pu@...ealthcare.com>,
Ian Ray <ian.ray@...ealthcare.com>,
Luca Ceresoli <luca.ceresoli@...tlin.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Herve Codina <herve.codina@...tlin.com>
Subject: [RFC PATCH 65/77] tests: metadata: Add a test for references by path involving orphan nodes
The syntax '&{$<orphan_name>/<path>}' allows to reference by path a node
that belongs to an orphan node.
Add a test related to this kind of references.
Signed-off-by: Herve Codina <herve.codina@...tlin.com>
---
.../metadata_addon_references.dtb.dts.expect | 48 +++++++++++++++++++
tests/metadata_addon_references.dtb.expect | 48 +++++++++++++++++++
tests/metadata_addon_references.dts | 43 +++++++++++++++++
.../metadata_addon_references.dts.dts.expect | 48 +++++++++++++++++++
tests/run_tests.sh | 2 +-
5 files changed, 188 insertions(+), 1 deletion(-)
create mode 100644 tests/metadata_addon_references.dtb.dts.expect
create mode 100644 tests/metadata_addon_references.dtb.expect
create mode 100644 tests/metadata_addon_references.dts
create mode 100644 tests/metadata_addon_references.dts.dts.expect
diff --git a/tests/metadata_addon_references.dtb.dts.expect b/tests/metadata_addon_references.dtb.dts.expect
new file mode 100644
index 0000000..267a929
--- /dev/null
+++ b/tests/metadata_addon_references.dtb.dts.expect
@@ -0,0 +1,48 @@
+/dts-v1/;
+/addon/;
+
+/ {
+
+ sub-node {
+ ref1-base1 = <&base1>;
+ ref2-base1-addon-node = <&{$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 = <&{$base3/sub-node/sub-subnode}>;
+ phandle = <0x04>;
+ };
+};
+
+&base1 {
+
+ addon-node {
+ prop = <0x02>;
+ phandle = <0x01>;
+ };
+};
+
+&base2 {
+
+ addon-node1 {
+ ref-base1-addon-node = <&{$base1/addon-node}>;
+ };
+
+ addon-node2 {
+ ref-root-sub-node = <&{/sub-node}>;
+ };
+};
+
+&base3 {
+ phandle = <0x02>;
+
+ sub-node {
+ prop = <0x03>;
+
+ sub-subnode {
+ prop = <0x04>;
+ phandle = <0x03>;
+ };
+ };
+};
diff --git a/tests/metadata_addon_references.dtb.expect b/tests/metadata_addon_references.dtb.expect
new file mode 100644
index 0000000..d8db6cb
--- /dev/null
+++ b/tests/metadata_addon_references.dtb.expect
@@ -0,0 +1,48 @@
+/dts-v1/;
+/addon/;
+
+/ {
+ sub-node {
+ ref1-base1 = <0xffffffff>;
+ // [FDT_REF_PHANDLE] ref1-base1[0], ref = base1
+ ref2-base1-addon-node = <0x00000001>;
+ // [FDT_REF_LOCAL] ref2-base1-addon-node[0]
+ ref3-base1-addon-node = <0x00000001>;
+ // [FDT_REF_LOCAL] ref3-base1-addon-node[0]
+ ref4-base1-addon-node = <0x00000001>;
+ // [FDT_REF_LOCAL] ref4-base1-addon-node[0]
+ ref5-base3 = <0x00000002>;
+ // [FDT_REF_LOCAL] ref5-base3[0]
+ ref6-base3 = <0x00000002>;
+ // [FDT_REF_LOCAL] ref6-base3[0]
+ ref7-base3-subsubnode = <0x00000003>;
+ // [FDT_REF_LOCAL] ref7-base3-subsubnode[0]
+ phandle = <0x00000004>;
+ };
+};
+&base1 {
+ addon-node {
+ prop = <0x00000002>;
+ phandle = <0x00000001>;
+ };
+};
+&base2 {
+ addon-node1 {
+ ref-base1-addon-node = <0x00000001>;
+ // [FDT_REF_LOCAL] ref-base1-addon-node[0]
+ };
+ addon-node2 {
+ ref-root-sub-node = <0x00000004>;
+ // [FDT_REF_LOCAL] ref-root-sub-node[0]
+ };
+};
+&base3 {
+ phandle = <0x00000002>;
+ sub-node {
+ prop = <0x00000003>;
+ sub-subnode {
+ prop = <0x00000004>;
+ phandle = <0x00000003>;
+ };
+ };
+};
diff --git a/tests/metadata_addon_references.dts b/tests/metadata_addon_references.dts
new file mode 100644
index 0000000..239c141
--- /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 = <&{$base3/sub-node/sub-subnode}>;
+ };
+};
+
+&base1 {
+ b1_addon: addon-node {
+ prop = <2>;
+ };
+};
+
+&base2 {
+ addon-node1 {
+ ref-base1-addon-node = <&b1_addon>;
+ };
+ addon-node2 {
+ ref-root-sub-node = <&sub_node>;
+ };
+};
+
+&base3 {
+ sub-node {
+ prop = <3>;
+ sub-subnode {
+ prop = <4>;
+ };
+ };
+};
diff --git a/tests/metadata_addon_references.dts.dts.expect b/tests/metadata_addon_references.dts.dts.expect
new file mode 100644
index 0000000..dff893e
--- /dev/null
+++ b/tests/metadata_addon_references.dts.dts.expect
@@ -0,0 +1,48 @@
+/dts-v1/;
+/addon/;
+
+/ {
+
+ sub_node: sub-node {
+ ref1-base1 = <&base1>;
+ ref2-base1-addon-node = <&b1_addon>;
+ ref3-base1-addon-node = <&{$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 = <0x04>;
+ };
+};
+
+&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 {
+ phandle = <0x02>;
+
+ sub-node {
+ prop = <0x03>;
+
+ sub-subnode {
+ prop = <0x04>;
+ phandle = <0x03>;
+ };
+ };
+};
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 12418bf..a371377 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -1129,7 +1129,7 @@ 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"
--
2.52.0
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