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+// SPDX-License-Identifier: GPL-2.0
+/*
+ * rich-graph-card-sample.dtsi
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ * Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This sample indicates how to use rich-graph-card and its
+ * custom driver. "rich-custom-card-sample" is the custome driver
+ * which is using rich-graph-card.
+ *
+ * You can easily use this sample by adding below line on your DT file,
+ * and add new CONFIG to your .config.
+ *
+ * #include "../../../../../sound/soc/generic/rich-graph-card-sample.dtsi"
+ *
+ * CONFIG_SND_RICH_GRAPH_CARD
+ * CONFIG_SND_RICH_CUSTOM_CARD_SAMPLE
+ * CONFIG_SND_TEST_COMPONENT
+ */
+/ {
+ /*
+ * @ : used at links
+ *
+ * [Normal]
+ * cpu0 <-@-----------------> codec0
+ */
+ rich-graph-card-sample {
+ /*
+ * You can use rich-graph-card directly by using
+ *
+ * compatible = "rich-graph-card";
+ */
+ compatible = "rich-custom-card-sample";
+
+ links = <&cpu0 /* normal: cpu side only */
+ >;
+ };
+
+ test_cpu {
+ /*
+ * update compatible to indicate more detail behaviour
+ * if you want. see test-compatible for more detail.
+ *
+ * - compatible = "test-cpu";
+ * + compatible = "test-cpu-nv";
+ */
+ compatible = "test-cpu";
+ ports {
+ bitclock-master;
+ frame-master;
+ cpu0: port@0 { cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
+ };
+ };
+
+ test_codec {
+ /*
+ * update compatible to indicate more detail behaviour
+ * if you want. see test-compatible for more detail.
+ *
+ * - compatible = "test-codec";
+ * + compatible = "test-codec-nv";
+ */
+ compatible = "test-codec";
+ ports {
+ port@0 { codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; };
+ };
+ };
+};