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Message-Id: <20250515153128.147457-4-laurentiumihalcea111@gmail.com>
Date: Thu, 15 May 2025 11:31:28 -0400
From: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
To: Mark Brown <broonie@...nel.org>,
Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Liam Girdwood <lgirdwood@...il.com>
Cc: linux-kernel@...r.kernel.org,
linux-sound@...r.kernel.org
Subject: [PATCH RFC 3/3] ASoC: generic: add more sample DTSIs for audio-graph-card2
From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
Add some more audio-graph-card2 sample DTSIs meant to aid in testing
the driver's capability to parse explicitly disabled links. To conclude
that the feature works correctly, all audio-graph-card2 samples need to
work as expected. This includes the custom ones:
1) audio-graph-card2-custom-sample1.dtsi
2) audio-graph-card2-custom-sample2.dtsi
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
---
.../generic/audio-graph-card2-sample1.dtsi | 278 ++++++
.../generic/audio-graph-card2-sample2.dtsi | 878 ++++++++++++++++++
.../generic/audio-graph-card2-sample3.dtsi | 486 ++++++++++
3 files changed, 1642 insertions(+)
create mode 100644 sound/soc/generic/audio-graph-card2-sample1.dtsi
create mode 100644 sound/soc/generic/audio-graph-card2-sample2.dtsi
create mode 100644 sound/soc/generic/audio-graph-card2-sample3.dtsi
diff --git a/sound/soc/generic/audio-graph-card2-sample1.dtsi b/sound/soc/generic/audio-graph-card2-sample1.dtsi
new file mode 100644
index 000000000000..ce0098a160a6
--- /dev/null
+++ b/sound/soc/generic/audio-graph-card2-sample1.dtsi
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2025 NXP
+ *
+ * audio-graph-card2 simple link test scenarios
+ *
+ * IMPORTANT:
+ *
+ * 1) DO NOT use this alongside the other test scenarios as the
+ * node names are not unique across test DTSIs.
+ */
+
+/ {
+ /*
+ * Testcase 00
+ *
+ * DESCRIPTION: test simple CPU-CODEC with no routing specified. Each
+ * endpoint device has only one available port.
+ *
+ * TOPOLOGY:
+ *
+ * CPU0 <---@...-> CODEC0
+ * CPU1 <---@...-> CODEC1
+ * CPU2 <---@...-> CODEC2
+ *
+ * CPU0 => ENABLED
+ * CPU1 => DISABLED
+ * CPU2 => ENABLED
+ * CODEC0 => ENABLED
+ * CODEC1 => ENABLED
+ * CODEC2 => DISABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 2 explicitly disabled links.
+ */
+ test-case-00 {
+ compatible = "audio-graph-card2";
+ label = "test-case-00";
+ links = <&simple_cpu0_port>,
+ <&simple_cpu1_port>,
+ <&simple_cpu2_port>;
+ };
+
+ test-cpu0 {
+ compatible = "test-cpu";
+
+ simple_cpu0_port: port {
+ biclock-master;
+ frame-master;
+
+ test_cpu_0_ep: endpoint {
+ remote-endpoint = <&test_codec_0_ep>;
+ };
+ };
+ };
+
+ test-cpu1 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ simple_cpu1_port: port {
+ biclock-master;
+ frame-master;
+
+ test_cpu_1_ep: endpoint {
+ remote-endpoint = <&test_codec_1_ep>;
+ };
+ };
+ };
+
+ test-cpu2 {
+ compatible = "test-cpu";
+
+ simple_cpu2_port: port {
+ bitclock-master;
+ frame-master;
+
+ test_cpu_2_ep: endpoint {
+ remote-endpoint = <&test_codec_2_ep>;
+ };
+ };
+ };
+
+ test-codec0 {
+ compatible = "test-codec";
+
+ port {
+ test_codec_0_ep: endpoint {
+ remote-endpoint = <&test_cpu_0_ep>;
+ };
+ };
+ };
+
+ test-codec1 {
+ compatible = "test-codec";
+
+ port {
+ test_codec_1_ep: endpoint {
+ remote-endpoint = <&test_cpu_1_ep>;
+ };
+ };
+ };
+
+ test-codec2 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ port {
+ test_codec_2_ep: endpoint {
+ remote-endpoint = <&test_cpu_2_ep>;
+ };
+ };
+ };
+
+ /*
+ * Testcase 01
+ *
+ * DESCRIPTION: test simple CPU-CODEC with no routing specified. Each
+ * endpoint device has one or more available ports.
+ *
+ * TOPOLOGY:
+ *
+ * CPU3/P0 <---@...-> CODEC3
+ * CPU3/P1 <---@...-> CODEC4
+ * CPU4 <---@...-> CODEC5/P0
+ * CPU3/P2 <---@...-> CODEC5/P1
+ *
+ * CPU3 => ENABLED
+ * CPU4 => DISABLED
+ * CODEC3 => ENABLED
+ * CODEC4 => DISABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 2 explicitly disabled links
+ */
+ test-case-01 {
+ compatible = "audio-graph-card2";
+ label = "test-case-01";
+ links = <&test_cpu3_port0>,
+ <&test_cpu3_port1>,
+ <&test_cpu4_port>,
+ <&test_cpu3_port2>;
+ };
+
+ test-cpu3 {
+ compatible = "test-cpu";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ test_cpu3_port0: port@0 {
+ reg = <0>;
+
+ test_cpu3_p0_ep: endpoint {
+ remote-endpoint = <&test_codec3_ep>;
+ };
+ };
+
+ test_cpu3_port1: port@1 {
+ reg = <1>;
+
+ test_cpu3_p1_ep: endpoint {
+ remote-endpoint = <&test_codec4_ep>;
+ };
+ };
+
+ test_cpu3_port2: port@2 {
+ reg = <2>;
+
+ test_cpu3_p2_ep: endpoint {
+ remote-endpoint = <&test_codec5_p1_ep>;
+ };
+ };
+ };
+ };
+
+ test-cpu4 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ test_cpu4_port: port {
+ test_cpu4_ep: endpoint {
+ remote-endpoint = <&test_codec5_p0_ep>;
+ };
+ };
+ };
+
+ test-codec3 {
+ compatible = "test-codec";
+
+ port {
+ test_codec3_ep: endpoint {
+ remote-endpoint = <&test_cpu3_p0_ep>;
+ };
+ };
+ };
+
+ test-codec4 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ port {
+ test_codec4_ep: endpoint {
+ remote-endpoint = <&test_cpu3_p1_ep>;
+ };
+ };
+ };
+
+ test-codec5 {
+ compatible = "test-codec";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ test_codec5_port0: port@0 {
+ reg = <0>;
+
+ test_codec5_p0_ep: endpoint {
+ remote-endpoint = <&test_cpu4_ep>;
+ };
+ };
+
+ test_codec5_port1: port@1 {
+ reg = <1>;
+
+ test_codec5_p1_ep: endpoint {
+ remote-endpoint = <&test_cpu3_p2_ep>;
+ };
+ };
+ };
+ };
+
+ /*
+ * Testcase 02
+ *
+ * DESCRIPTION: test simple CPU-CODEC with no routing specified. The
+ * CPU-CODEC link is disabled.
+ *
+ * TOPOLOGY:
+ *
+ * CPU5 <---@...--> CODEC6
+ *
+ * CPU5 => DISABLED
+ * CODEC6 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should fail since all of its links are
+ * explicitly disabled.
+ */
+ test-case-02 {
+ compatible = "audio-graph-card2";
+ label = "test-case-02";
+ links = <&test_cpu5_port>;
+ };
+
+ test-cpu5 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ test_cpu5_port: port {
+ test_cpu5_port_ep: endpoint {
+ remote-endpoint = <&test_codec6_port_ep>;
+ };
+ };
+ };
+
+ test-codec6 {
+ compatible = "test-codec";
+
+ port {
+ test_codec6_port_ep: endpoint {
+ remote-endpoint = <&test_cpu5_port_ep>;
+ };
+ };
+ };
+};
diff --git a/sound/soc/generic/audio-graph-card2-sample2.dtsi b/sound/soc/generic/audio-graph-card2-sample2.dtsi
new file mode 100644
index 000000000000..0bcbf2a46b79
--- /dev/null
+++ b/sound/soc/generic/audio-graph-card2-sample2.dtsi
@@ -0,0 +1,878 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2025 NXP
+ *
+ * audio-graph-card2 multi link test scenarios
+ *
+ * IMPORTANT:
+ *
+ * 1) DO NOT use this alongside the other test scenarios as the
+ * node names are not unique across test DTSIs.
+ *
+ * 2) The test topologies used here are adapted from
+ * "audio-graph-card2-custom-sample1.dtsi".
+ */
+
+/ {
+ /*
+ * Testcase 00
+ *
+ * DESCRIPTION: test disabled semi-multi link
+ *
+ * TOPOLOGY:
+ *
+ * +-+
+ * TEST_CPU0/P0 <-@...-----> | |-> TEST_CODEC0/P0
+ * | |-> TEST_CODEC0/P1
+ * +-+
+ *
+ * TEST_CODEC0 => DISABLED
+ * TEST_CPU0 => ENABLED
+ *
+ *
+ * RESULT:
+ * - sound card creation should fail as all of its links are
+ * explicitly disabled.
+ */
+ test-case-00 {
+ compatible = "audio-graph-card2";
+ label = "test-case-00";
+ links = <&cpu0_port0>;
+
+ multi {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* SM link port */
+ port@0 {
+ reg = <0>;
+
+ smcodec0_port0_ep: endpoint {
+ remote-endpoint = <&cpu0_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ smcodec0_port1_ep: endpoint {
+ remote-endpoint = <&codec0_port0_ep>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ smcodec0_port2_ep: endpoint {
+ remote-endpoint = <&codec0_port1_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu0 {
+ compatible = "test-cpu";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0_port0: port@0 {
+ reg = <0>;
+
+ cpu0_port0_ep: endpoint {
+ remote-endpoint = <&smcodec0_port0_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec0 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ codec0_port0_ep: endpoint {
+ remote-endpoint = <&smcodec0_port1_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ codec0_port1_ep: endpoint {
+ remote-endpoint = <&smcodec0_port2_ep>;
+ };
+ };
+ };
+ };
+
+ /*
+ * Testcase 01
+ *
+ * DESCRIPTION: test semi-multi link with explicitly disabled CPU.
+ *
+ * TOPOLOGY:
+ *
+ * +-+
+ * TEST_CPU1 <-@...-----> | |-> TEST_CODEC1/P0
+ * | |-> TEST_CODEC1/P1
+ * +-+
+ *
+ * TEST_CPU2 <---@...-> TEST_CODEC2 (ACTIVE)
+ *
+ *
+ * TEST_CPU1 => DISABLED
+ * TEST_CPU2 => ENABLED
+ * TEST_CODEC1 => ENABLED
+ * TEST_CODEC2 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 1 explicitly disabled link.
+ */
+ test-case-01 {
+ compatible = "audio-graph-card2";
+ label = "test-case-01";
+ links = <&cpu1_port>, <&cpu2_port>;
+
+ multi {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* SM link port */
+ port@0 {
+ reg = <0>;
+
+ smcodec1_port0_ep: endpoint {
+ remote-endpoint = <&cpu1_port_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ smcodec1_port1_ep: endpoint {
+ remote-endpoint = <&codec1_port0_ep>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ smcodec1_port2_ep: endpoint {
+ remote-endpoint = <&codec1_port1_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu1 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ cpu1_port: port {
+ cpu1_port_ep: endpoint {
+ remote-endpoint = <&smcodec1_port0_ep>;
+ };
+ };
+ };
+
+ test-cpu2 {
+ compatible = "test-cpu";
+
+ cpu2_port: port {
+ cpu2_port_ep: endpoint {
+ remote-endpoint = <&codec2_port_ep>;
+ };
+ };
+ };
+
+ test-codec1 {
+ compatible = "test-codec";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ codec1_port0_ep: endpoint {
+ remote-endpoint = <&smcodec1_port1_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ codec1_port1_ep: endpoint {
+ remote-endpoint = <&smcodec1_port2_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec2 {
+ compatible = "test-codec";
+
+ port {
+ codec2_port_ep: endpoint {
+ remote-endpoint = <&cpu2_port_ep>;
+ };
+ };
+ };
+
+ /*
+ * Testcase 02
+ *
+ * DESCRIPTION: test semi-multi link with one explicitly disabled codec.
+ *
+ * TOPOLOGY:
+ *
+ * +-+
+ * TEST_CPU3 <-@...-----> | |-> TEST_CODEC3 (ACTIVE)
+ * (ACTIVE) | |-> TEST_CODEC4 (DISABLED)
+ * +-+
+ *
+ * TEST_CPU4 <---@...-> TEST_CODEC5 (ACTIVE)
+ * (ACTIVE)
+ *
+ *
+ * TEST_CPU3 => ENABLED
+ * TEST_CPU4 => ENABLED
+ * TEST_CODEC3 => ENABLED
+ * TEST_CODEC4 => DISABLED
+ * TEST_CODEC5 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 1 explicitly disabled link.
+ */
+ test-case-02 {
+ compatible = "audio-graph-card2";
+ label = "test-case-02";
+ links = <&cpu3_port>, <&cpu4_port>;
+
+ multi {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* SM link port */
+ port@0 {
+ reg = <0>;
+
+ smcodec2_port0_ep: endpoint {
+ remote-endpoint = <&cpu3_port_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ smcodec2_port1_ep: endpoint {
+ remote-endpoint = <&codec3_port_ep>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ smcodec2_port2_ep: endpoint {
+ remote-endpoint = <&codec4_port_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu3 {
+ compatible = "test-cpu";
+
+ cpu3_port: port {
+ cpu3_port_ep: endpoint {
+ remote-endpoint = <&smcodec2_port0_ep>;
+ };
+ };
+ };
+
+ test-cpu4 {
+ compatible = "test-cpu";
+
+ cpu4_port: port {
+ cpu4_port_ep: endpoint {
+ remote-endpoint = <&codec5_port_ep>;
+ };
+ };
+ };
+
+ test-codec3 {
+ compatible = "test-codec";
+
+ port {
+ codec3_port_ep: endpoint {
+ remote-endpoint = <&smcodec2_port1_ep>;
+ };
+ };
+ };
+
+ test-codec4 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ port {
+ codec4_port_ep: endpoint {
+ remote-endpoint = <&smcodec2_port2_ep>;
+ };
+ };
+ };
+
+ test-codec5 {
+ compatible = "test-codec";
+
+ port {
+ codec5_port_ep: endpoint {
+ remote-endpoint = <&cpu4_port_ep>;
+ };
+ };
+ };
+
+ /*
+ * Testcase 03
+ *
+ * DESCRIPTION: test disabled multi link.
+ *
+ * TOPOLOGY:
+ * +---+ +---+
+ * TEST_CPU5/P0 <- | | <---@...-> | | -> TEST_CODEC6/P0
+ * TEST_CPU5/P1 <- | | | | -> TEST_CODEC6/P1
+ * +---+ +---+
+ *
+ *
+ * TEST_CPU5 => DISABLED
+ * TEST_CODEC6 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should fail since all of its links are
+ * explicitly disabled.
+ */
+ test-case-03 {
+ compatible = "audio-graph-card2";
+ label = "test-case-03";
+ links = <&multi0_cpu_port0>;
+
+ multi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi0_cpu_port0: port@0 {
+ reg = <0>;
+
+ multi0_cpu_port0_ep: endpoint {
+ remote-endpoint = <&multi0_codec_port0_ep>;
+ };
+ };
+
+ multi0_cpu_port1: port@1 {
+ reg = <1>;
+
+ multi0_cpu_port1_ep: endpoint {
+ remote-endpoint = <&cpu6_port0_ep>;
+ };
+ };
+
+ multi0_cpu_port2: port@2 {
+ reg = <2>;
+
+ multi0_cpu_port2_ep: endpoint {
+ remote-endpoint = <&cpu6_port1_ep>;
+ };
+ };
+ };
+
+ ports@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi0_codec_port0: port@0 {
+ reg = <0>;
+
+ multi0_codec_port0_ep: endpoint {
+ remote-endpoint = <&multi0_cpu_port0_ep>;
+ };
+ };
+
+ multi0_codec_port1: port@1 {
+ reg = <1>;
+
+ multi0_codec_port1_ep: endpoint {
+ remote-endpoint = <&codec6_port0_ep>;
+ };
+ };
+
+ multi0_codec_port2: port@2 {
+ reg = <2>;
+
+ multi0_codec_port2_ep: endpoint {
+ remote-endpoint = <&codec6_port1_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu5 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu6_port0: port@0 {
+ reg = <0>;
+
+ cpu6_port0_ep: endpoint {
+ remote-endpoint = <&multi0_cpu_port1_ep>;
+ };
+ };
+
+ cpu6_port1: port@1 {
+ reg = <1>;
+
+ cpu6_port1_ep: endpoint {
+ remote-endpoint = <&multi0_cpu_port2_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec6 {
+ compatible = "test-codec";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ codec6_port0: port@0 {
+ reg = <0>;
+
+ codec6_port0_ep: endpoint {
+ remote-endpoint = <&multi0_codec_port1_ep>;
+ };
+ };
+
+ codec6_port1: port@1 {
+ reg = <1>;
+
+ codec6_port1_ep: endpoint {
+ remote-endpoint = <&multi0_codec_port2_ep>;
+ };
+ };
+ };
+ };
+
+ /*
+ * Testcase 04
+ *
+ * DESCRIPTION: test multi link with disabled CPU.
+ *
+ * TOPOLOGY:
+ * +---+ +---+
+ * TEST_CPU7/P0 <- | | <---@...-> | | -> TEST_CODEC8/P0
+ * TEST_CPU7/P1 <- | | | | -> TEST_CODEC8/P1
+ * +---+ +---+
+ *
+ * TEST_CPU6 <---@...--> TEST_CODEC7
+ *
+ *
+ * TEST_CPU6 => ENABLED
+ * TEST_CPU7 => DISABLED
+ * TEST_CODEC7 => ENABLED
+ * TEST_CODEC8 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 1 explicitly disabled link.
+ */
+ test-case-04 {
+ compatible = "audio-graph-card2";
+ label = "test-case-04";
+ links = <&cpu6_port>, <&multi1_cpu_port0>;
+
+ multi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi1_cpu_port0: port@0 {
+ reg = <0>;
+
+ multi1_cpu_port0_ep: endpoint {
+ remote-endpoint = <&multi1_codec_port0_ep>;
+ };
+ };
+
+ multi1_cpu_port1: port@1 {
+ reg = <1>;
+
+ multi1_cpu_port1_ep: endpoint {
+ remote-endpoint = <&cpu7_port0_ep>;
+ };
+ };
+
+ multi1_cpu_port2: port@2 {
+ reg = <2>;
+
+ multi1_cpu_port2_ep: endpoint {
+ remote-endpoint = <&cpu7_port1_ep>;
+ };
+ };
+ };
+
+ ports@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi1_codec_port0: port@0 {
+ reg = <0>;
+
+ multi1_codec_port0_ep: endpoint {
+ remote-endpoint = <&multi1_cpu_port0_ep>;
+ };
+ };
+
+ multi1_codec_port1: port@1 {
+ reg = <1>;
+
+ multi1_codec_port1_ep: endpoint {
+ remote-endpoint = <&codec8_port0_ep>;
+ };
+ };
+
+ multi1_codec_port2: port@2 {
+ reg = <2>;
+
+ multi1_codec_port2_ep: endpoint {
+ remote-endpoint = <&codec8_port1_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu6 {
+ compatible = "test-cpu";
+
+ cpu6_port: port {
+ cpu6_port_ep: endpoint {
+ remote-endpoint = <&codec7_port_ep>;
+ };
+ };
+ };
+
+ test-cpu7 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu7_port0: port@0 {
+ reg = <0>;
+
+ cpu7_port0_ep: endpoint {
+ remote-endpoint = <&multi1_cpu_port1_ep>;
+ };
+ };
+
+ cpu7_port1: port@1 {
+ reg = <1>;
+
+ cpu7_port1_ep: endpoint {
+ remote-endpoint = <&multi1_cpu_port2_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec7 {
+ compatible = "test-codec";
+
+ port {
+ codec7_port_ep: endpoint {
+ remote-endpoint = <&cpu6_port_ep>;
+ };
+ };
+ };
+
+ test-codec8 {
+ compatible = "test-codec";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ codec8_port0: port@0 {
+ reg = <0>;
+
+ codec8_port0_ep: endpoint {
+ remote-endpoint = <&multi1_codec_port1_ep>;
+ };
+ };
+
+ codec8_port1: port@1 {
+ reg = <1>;
+
+ codec8_port1_ep: endpoint {
+ remote-endpoint = <&multi1_codec_port2_ep>;
+ };
+ };
+ };
+ };
+
+ /*
+ * Testcase 05
+ *
+ * DESCRIPTION: test N:M (CPUS:CODECS), N < M multi link with disabled codec.
+ *
+ * TOPOLOGY:
+ *
+ * +---+ +---+
+ * | | <---@...-> | |
+ * | | | |
+ * TEST_CPU8/P0 <- | | <--------> | | -> TEST_CODEC9/P0
+ * TEST_CPU8/P1 <- | | <---+----> | | -> TEST_CODEC9/P1
+ * | | \----> | | -> TEST_CODEC9/P2
+ * +---+ +---+
+ *
+ *
+ * TEST_CPU9 <---@...-> TEST_CODEC10
+ *
+ * TEST_CPU8 => ENABLED
+ * TEST_CODEC9 => DISABLED
+ * TEST_CPU9 => ENABLED
+ * TEST_CODEC10 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 1 disabled link.
+ */
+ test-case-05 {
+ compatible = "audio-graph-card2";
+ label = "test-case-05";
+ links = <&multi2_cpu_port0>, <&cpu9_port>;
+
+ multi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi2_cpu_port0: port@0 {
+ reg = <0>;
+
+ multi2_cpu_port0_ep: endpoint {
+ remote-endpoint = <&multi2_codec_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi2_cpu_port1_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&cpu8_port0_ep>;
+ };
+
+ multi2_cpu_port1_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&multi2_codec_port1_ep1>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi2_cpu_port2_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&cpu8_port1_ep>;
+ };
+
+ multi2_cpu_port2_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&multi2_codec_port2_ep1>;
+ };
+
+ multi2_cpu_port2_ep2: endpoint@2 {
+ reg = <2>;
+ remote-endpoint = <&multi2_codec_port3_ep1>;
+ };
+ };
+ };
+
+ ports@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ multi2_codec_port0_ep: endpoint {
+ remote-endpoint = <&multi2_cpu_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi2_codec_port1_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&codec9_port0_ep>;
+ };
+
+ multi2_codec_port1_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&multi2_cpu_port1_ep1>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi2_codec_port2_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&codec9_port1_ep>;
+ };
+
+ multi2_codec_port2_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&multi2_cpu_port2_ep1>;
+ };
+ };
+
+ port@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi2_codec_port3_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&codec9_port2_ep>;
+ };
+
+ multi2_codec_port3_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&multi2_cpu_port2_ep2>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu8 {
+ compatible = "test-cpu";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ cpu8_port0_ep: endpoint {
+ remote-endpoint = <&multi2_cpu_port1_ep0>;
+ };
+ };
+
+ port@1 {
+ cpu8_port1_ep: endpoint {
+ remote-endpoint = <&multi2_cpu_port2_ep0>;
+ };
+ };
+ };
+ };
+
+ test-cpu9 {
+ compatible = "test-cpu";
+
+ cpu9_port: port {
+ cpu9_port_ep: endpoint {
+ remote-endpoint = <&codec10_port_ep>;
+ };
+ };
+ };
+
+ test-codec9 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ codec9_port0_ep: endpoint {
+ remote-endpoint = <&multi2_codec_port1_ep0>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ codec9_port1_ep: endpoint {
+ remote-endpoint = <&multi2_codec_port2_ep0>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ codec9_port2_ep: endpoint {
+ remote-endpoint = <&multi2_codec_port3_ep0>;
+ };
+ };
+ };
+ };
+
+ test-codec10 {
+ compatible = "test-codec";
+
+ port {
+ codec10_port_ep: endpoint {
+ remote-endpoint = <&cpu9_port_ep>;
+ };
+ };
+ };
+};
diff --git a/sound/soc/generic/audio-graph-card2-sample3.dtsi b/sound/soc/generic/audio-graph-card2-sample3.dtsi
new file mode 100644
index 000000000000..b96da5b5d6d3
--- /dev/null
+++ b/sound/soc/generic/audio-graph-card2-sample3.dtsi
@@ -0,0 +1,486 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2025 NXP
+ *
+ * audio-graph-card2 DPCM/C2C link test scenarios
+ *
+ * IMPORTANT:
+ *
+ * 1) DO NOT use this alongside the other test scenarios as the
+ * node names are not unique across test DTSIs.
+ *
+ * 2) The test topologies used here are adapted from
+ * "audio-graph-card2-custom-sample2.dtsi"
+ */
+
+/ {
+ /*
+ * Testcase 00:
+ *
+ * DESCRIPTION: test DPCM links with CODEC disabled.
+ *
+ * TOPOLOGY:
+ *
+ * ****
+ * TEST_CPU0/P0 <---@...-* * ----@---> TEST_CODEC0
+ * TEST_CPU0/P1 <---@...-* *
+ * ****
+ *
+ * TEST_CPU0 => ENABLED
+ * TEST_CODEC0 => DISABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with only the FEs being
+ * created. Attempting to play a song on any of the FEs should
+ * result in an error since there's no BE attached.
+ */
+ test-case-00 {
+ compatible = "audio-graph-card2";
+ label = "test-case-00";
+ links = <&fe0_port0>, <&fe0_port1>, <&be0_port0>;
+ routing = "TC DAI0 Playback", "DAI0 Playback",
+ "TC DAI0 Playback", "DAI1 Playback",
+ "DAI0 Capture", "TC DAI0 Capture",
+ "DAI1 Capture", "TC DAI0 Capture";
+
+ dpcm {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* FEs */
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fe0_port0: port@0 {
+ reg = <0>;
+
+ fe0_port0_ep: endpoint {
+ remote-endpoint = <&cpu0_port0_ep>;
+ };
+ };
+
+ fe0_port1: port@1 {
+ reg = <1>;
+
+ fe0_port1_ep: endpoint {
+ remote-endpoint = <&cpu0_port1_ep>;
+ };
+ };
+ };
+
+ /* BEs */
+ ports@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ be0_port0: port@0 {
+ reg = <0>;
+
+ be0_port0_ep: endpoint {
+ remote-endpoint = <&codec0_port_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu0 {
+ compatible = "test-cpu";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ cpu0_port0_ep: endpoint {
+ remote-endpoint = <&fe0_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ cpu0_port1_ep: endpoint {
+ remote-endpoint = <&fe0_port1_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec0 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ port {
+ prefix = "TC";
+
+ codec0_port_ep: endpoint {
+ remote-endpoint = <&be0_port0_ep>;
+ };
+ };
+ };
+
+ /*
+ * Testcase 01:
+ *
+ * DESCRIPTION: test DPCM links with CPU disabled.
+ *
+ * TOPOLOGY:
+ *
+ * ****
+ * TEST_CPU1/P0 <---@...-* * ----@---> TEST_CODEC1
+ * TEST_CPU1/P1 <---@...-* *
+ * ****
+ *
+ * TEST_CPU0 => DISABLED
+ * TEST_CODEC0 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with only the BE
+ * being created.
+ */
+ test-case-01 {
+ compatible = "audio-graph-card2";
+ label = "test-case-01";
+ links = <&fe1_port0>, <&fe1_port1>, <&be1_port0>;
+ routing = "TC DAI0 Playback", "DAI0 Playback",
+ "TC DAI0 Playback", "DAI1 Playback",
+ "DAI0 Capture", "TC DAI0 Capture",
+ "DAI1 Capture", "TC DAI0 Capture";
+
+ dpcm {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* FEs */
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fe1_port0: port@0 {
+ reg = <0>;
+
+ fe1_port0_ep: endpoint {
+ remote-endpoint = <&cpu1_port0_ep>;
+ };
+ };
+
+ fe1_port1: port@1 {
+ reg = <1>;
+
+ fe1_port1_ep: endpoint {
+ remote-endpoint = <&cpu1_port1_ep>;
+ };
+ };
+ };
+
+ /* BEs */
+ ports@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ be1_port0: port@0 {
+ reg = <0>;
+
+ be1_port0_ep: endpoint {
+ remote-endpoint = <&codec1_port_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu1 {
+ compatible = "test-cpu";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ cpu1_port0_ep: endpoint {
+ remote-endpoint = <&fe1_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ cpu1_port1_ep: endpoint {
+ remote-endpoint = <&fe1_port1_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec1 {
+ compatible = "test-codec";
+
+ port {
+ prefix = "TC";
+
+ codec1_port_ep: endpoint {
+ remote-endpoint = <&be1_port0_ep>;
+ };
+ };
+ };
+
+ /*
+ * Testcase 02
+ *
+ * DESCRIPTION: test DPCM links with multi BE with CODEC disabled.
+ *
+ * TOPOLOGY:
+ *
+ * **** +---+
+ * TEST_CPU2/P0 <---@...-* * ----@---> | | -> TEST_CODEC2/P0
+ * TEST_CPU2/P1 <---@...-* * | | -> TEST_CODEC2/P1
+ * **** +---+
+ *
+ * TEST_CPU2 => ENABLED
+ * TEST_CODEC2 => DISABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with only the FEs being
+ * created.
+ */
+ test-case-02 {
+ compatible = "audio-graph-card2";
+ label = "test-case-02";
+ links = <&fe2_port0>, <&fe2_port1>, <&multi0_be_port0>;
+
+ dpcm {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* FEs */
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fe2_port0: port@0 {
+ reg = <0>;
+
+ fe2_port0_ep: endpoint {
+ remote-endpoint = <&cpu2_port0_ep>;
+ };
+ };
+
+ fe2_port1: port@1 {
+ reg = <1>;
+
+ fe2_port1_ep: endpoint {
+ remote-endpoint = <&cpu2_port1_ep>;
+ };
+ };
+ };
+
+ /* BEs */
+ ports@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ multi0_be_port0: port@0 {
+ reg = <0>;
+
+ multi0_be_port0_ep: endpoint {
+ remote-endpoint = <&multi0_codec_port0_ep>;
+ };
+ };
+ };
+ };
+
+ multi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ multi0_codec_port0_ep: endpoint {
+ remote-endpoint = <&multi0_be_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ multi0_codec_port1_ep: endpoint {
+ remote-endpoint = <&codec2_port0_ep>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ multi0_codec_port2_ep: endpoint {
+ remote-endpoint = <&codec2_port1_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu2 {
+ compatible = "test-cpu";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ cpu2_port0_ep: endpoint {
+ remote-endpoint = <&fe2_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ cpu2_port1_ep: endpoint {
+ remote-endpoint = <&fe2_port1_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec2 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ codec2_port0_ep: endpoint {
+ remote-endpoint = <&multi0_codec_port1_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ codec2_port1_ep: endpoint {
+ remote-endpoint = <&multi0_codec_port2_ep>;
+ };
+ };
+ };
+ };
+
+ /*
+ * Testcase 03
+ *
+ * DESCRIPTION: test C2C links with codec disabled
+ *
+ * TOPOLOGY:
+ *
+ * +---@...-> TEST_CODEC3/P0
+ * |
+ * +--------> TEST_CODEC3/P1
+ *
+ * TEST_CPU3 <---@...-> TEST_CODEC4
+ *
+ * TEST_CPU3 => ENABLED
+ * TEST_CODEC3 => DISABLED
+ * TEST_CODEC4 => ENABLED
+ *
+ * RESULT:
+ * - sound card creation should succeed with 1 disabled link.
+ */
+ test-case-03 {
+ compatible = "audio-graph-card2";
+ label = "test-case-03";
+ links = <&c2c0_port0>, <&cpu3_port>;
+
+ codec2codec {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ c2c0_port0: port@0 {
+ reg = <0>;
+
+ c2c0_port0_ep: endpoint {
+ remote-endpoint = <&codec3_port0_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ c2c0_port1_ep: endpoint {
+ remote-endpoint = <&codec3_port1_ep>;
+ };
+ };
+ };
+ };
+ };
+
+ test-cpu3 {
+ compatible = "test-cpu";
+
+ cpu3_port: port {
+ cpu3_port_ep: endpoint {
+ remote-endpoint = <&codec4_port_ep>;
+ };
+ };
+ };
+
+ test-codec3 {
+ compatible = "test-codec";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ codec3_port0_ep: endpoint {
+ remote-endpoint = <&c2c0_port0_ep>;
+ };
+ };
+
+ port@1 {
+ codec3_port1_ep: endpoint {
+ remote-endpoint = <&c2c0_port1_ep>;
+ };
+ };
+ };
+ };
+
+ test-codec4 {
+ compatible = "test-codec";
+
+ port {
+ codec4_port_ep: endpoint {
+ remote-endpoint = <&cpu3_port_ep>;
+ };
+ };
+ };
+};
--
2.34.1
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