1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Device Tree for ULCB + Audio Graph Card2 (MIX + TDM Split)
  4 *
  5 * Copyright (C) 2022 Renesas Electronics Corp.
  6 */
  7
  8/*
  9 * Note:
 10 * The HDMI output is ignored due to the limited number of subdevices
 11 *
 12 *	(A) CPU0 (2ch) <----> (2ch) (X) ak4613	(MIX-0)
 13 *	(B) CPU1 (2ch)  --/			(MIX-1)
 14 *
 15 *	(A) aplay   -D plughw:0,0 xxx.wav
 16 *	(B) aplay   -D plughw:0,1 xxx.wav
 17 *
 18 *	(A) arecord -D plughw:0,0 xxx.wav
 19 */
 20/ {
 21	sound_card: sound {
 22		compatible = "audio-graph-card2";
 23		label = "snd-ulcb-mix";
 24
 25		routing = "ak4613 Playback", "DAI0 Playback",
 26			  "ak4613 Playback", "DAI1 Playback",
 27			  "DAI0 Capture",    "ak4613 Capture";
 28
 29		links = <&fe_a		/* (A) CPU0   */
 30			 &fe_b		/* (B) CPU1   */
 31			 &be_x		/* (X) ak4613 */
 32		>;
 33
 34		dpcm {
 35			#address-cells = <1>;
 36			#size-cells = <0>;
 37
 38			ports@0 {
 39				#address-cells = <1>;
 40				#size-cells = <0>;
 41				reg = <0>;
 42				/*
 43				 * FE
 44				 * (A) CPU0 (MIX-0)
 45				 * (B) CPU1 (MIX-1)
 46				 */
 47				fe_a: port@0 { reg = <0>; fe_a_ep: endpoint { remote-endpoint = <&rsnd_a_ep>; }; };
 48				fe_b: port@1 { reg = <1>; fe_b_ep: endpoint { remote-endpoint = <&rsnd_b_ep>; }; };
 49			};
 50
 51			ports@1 {
 52				reg = <1>;
 53				/*
 54				 * BE
 55				 * (X) ak4613
 56				 */
 57				be_x: port { be_x_ep: endpoint { remote-endpoint = <&ak4613_x_ep>; }; };
 58			};
 59		};
 60	};
 61};
 62
 63&ak4613 {
 64	port {
 65		/*
 66		 * (X) ak4613
 67		 */
 68		prefix = "ak4613";
 69		convert-rate = <48000>;
 70
 71		ak4613_x_ep: endpoint {
 72			remote-endpoint = <&be_x_ep>;
 73		};
 74	};
 75};
 76
 77&rcar_sound {
 78	#address-cells = <1>;
 79	#size-cells = <0>;
 80
 81	ports@0 {
 82		#address-cells = <1>;
 83		#size-cells = <0>;
 84		reg = <0>;
 85
 86		/*
 87		 * (A) CPU0
 88		 */
 89		port@0 {
 90			reg = <0>;
 91			rsnd_a_ep: endpoint {
 92				remote-endpoint = <&fe_a_ep>;
 93				bitclock-master;
 94				frame-master;
 95				playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>;
 96				capture  = <&ssi1 &src0 &dvc1>;
 97			};
 98		};
 99		/*
100		 * (B) CPU1
101		 */
102		port@1 {
103			reg = <1>;
104			rsnd_b_ep: endpoint {
105				remote-endpoint = <&fe_b_ep>;
106				bitclock-master;
107				frame-master;
108				playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>;
109			};
110		};
111	};
112};