[PATCH v5 12/16] ASoC: audio-graph-card2-custom-sample.dtsi: add Sample DT for Normal (Nulti)

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Tue Oct 12 06:56:19 CEST 2021


From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

This patch adds Normal link Multi-CPU/Codec sample to
audio-graph-card2-custom-sample.dtsi.

               +-+       +-+
        CPU1 --| | <---> | | -- Codec1
        CPU2 --| |       | | -- Codec2
               +-+       +-+

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 .../audio-graph-card2-custom-sample.dtsi      | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
index c2511da31530..b4f4fa743c2b 100644
--- a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
+++ b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
@@ -24,6 +24,12 @@ / {
 	 *
 	 * [Normal]
 	 *	cpu0 <- at -----------------> codec0
+	 *
+	 * [Multi-CPU/Codec]
+	 *		+-+		+-+
+	 *	cpu1 <--| |<- at --------->| |-> codec1
+	 *	cpu2 <--| |		| |-> codec2
+	 *		+-+		+-+
 	 */
 	audio-graph-card2-custom-sample {
 		/*
@@ -34,7 +40,21 @@ audio-graph-card2-custom-sample {
 		compatible = "audio-graph-card2-custom-sample";
 
 		links = <&cpu0			/* normal: cpu side only */
+			 &mcpu0			/* multi:  cpu side only */
 		>;
+
+		multi {
+			ports at 0 {
+			mcpu0:	port at 0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
+				port at 1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>;    }; };
+				port at 2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>;    }; };
+			};
+			ports at 1 {
+				port at 0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>;  }; };
+				port at 1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
+				port at 2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
+			};
+		};
 	};
 
 	test_cpu {
@@ -51,6 +71,8 @@ ports {
 			bitclock-master;
 			frame-master;
 			cpu0: port at 0 { cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
+			      port at 1 { cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
+			      port at 2 { cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
 		};
 	};
 
@@ -66,6 +88,8 @@ test_codec {
 		compatible = "test-codec";
 		ports {
 			port at 0  { codec0_ep:  endpoint { remote-endpoint = <&cpu0_ep>; }; };
+			port at 1  { codec1_ep:  endpoint { remote-endpoint = <&mcodec1_ep>; }; };
+			port at 2  { codec2_ep:  endpoint { remote-endpoint = <&mcodec2_ep>; }; };
 		};
 	};
 };
-- 
2.25.1



More information about the Alsa-devel mailing list