xref: /openbmc/linux/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card-mix+split.dtsi (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree for ULCB + Kingfisher + Audio Graph Card (MIX + TDM Split)
 *
 * Copyright (C) 2022 Renesas Electronics Corp.
 */

/*
 * Note:
 * The HDMI output is ignored due to the limited number of subdevices
 *
 *	(A) CPU0 (2ch) <----> (2ch) (X) ak4613	   (MIX-0)
 *	(B) CPU1 (2ch)  --/			   (MIX-1)
 *	(C) CPU2 (2ch)  ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
 *	(D) CPU3 (2ch)  --/			   (TDM-1 : 2,3ch)
 *	(E) CPU4 (2ch)  --/			   (TDM-2 : 4,5ch)
 *	(F) CPU5 (2ch)  --/			   (TDM-3 : 6,7ch)
 *	(G) CPU6 (6ch) <----  (6ch) (Z) PCM3168A-c
 *
 *	(A) aplay   -D plughw:0,0 xxx.wav (MIX-0)
 *	(B) aplay   -D plughw:0,1 xxx.wav (MIX-1)
 *	(C) aplay   -D plughw:0,2 xxx.wav (TDM-0)
 *	(D) aplay   -D plughw:0,3 xxx.wav (TDM-1)
 *	(E) aplay   -D plughw:0,4 xxx.wav (TDM-2)
 *	(F) aplay   -D plughw:0,5 xxx.wav (TDM-3)
 *
 *	(A) arecord -D plughw:0,0 xxx.wav
 *	(G) arecord -D plughw:0,6 xxx.wav
 */

&sound_card {
	routing = "ak4613 Playback",   "DAI0 Playback",
		  "ak4613 Playback",   "DAI1 Playback",
		  "DAI0 Capture",      "ak4613 Capture",
		  "pcm3168a Playback", "DAI2 Playback",
		  "pcm3168a Playback", "DAI3 Playback",
		  "pcm3168a Playback", "DAI4 Playback",
		  "pcm3168a Playback", "DAI5 Playback";

	dais = <&rsnd_port0 /* (A) CPU0 */
		&rsnd_port1 /* (B) CPU1 */
		&rsnd_port2 /* (C) CPU2 */
		&rsnd_port3 /* (D) CPU3 */
		&rsnd_port4 /* (E) CPU4 */
		&rsnd_port5 /* (F) CPU5 */
		&rsnd_port6 /* (G) GPU6 */
	>;
};

&pcm3168a {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;
		mclk-fs = <512>;

		/*
		 * (Y) PCM3168A-p
		 */
		port@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;
			prefix = "pcm3168a";
			convert-channels = <8>; /* to 8ch TDM */

			/* (C) CPU2 -> (Y) PCM3168A-p */
			pcm3168a_endpoint_p1: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&rsnd_for_pcm3168a_play1>;
				clocks = <&clksndsel>;
			};
			/* (D) CPU3 -> (Y) PCM3168A-p */
			pcm3168a_endpoint_p2: endpoint@1 {
				reg = <1>;
				remote-endpoint = <&rsnd_for_pcm3168a_play2>;
				clocks = <&clksndsel>;
			};
			/* (E) CPU4 -> (Y) PCM3168A-p */
			pcm3168a_endpoint_p3: endpoint@2 {
				reg = <2>;
				remote-endpoint = <&rsnd_for_pcm3168a_play3>;
				clocks = <&clksndsel>;
			};
			/* (F) CPU5 -> (Y) PCM3168A-p */
			pcm3168a_endpoint_p4: endpoint@3 {
				reg = <3>;
				remote-endpoint = <&rsnd_for_pcm3168a_play4>;
				clocks = <&clksndsel>;
			};
		};
		/*
		 * (Z) PCM3168A-c
		 */
		port@1 {
			reg = <1>;
			/* (G) CPU6 <- PCM3168A-c */
			pcm3168a_endpoint_c: endpoint {
				remote-endpoint = <&rsnd_for_pcm3168a_capture>;
				clocks = <&clksndsel>;
			};
		};
	};
};

&rcar_sound {
	ports {
		/* rsnd_port0-1 are defined in ulcb.dtsi */

		/*
		 * (C) CPU2
		 */
		rsnd_port2: port@2 {
			reg = <2>;
			rsnd_for_pcm3168a_play1: endpoint {
				remote-endpoint = <&pcm3168a_endpoint_p1>;
				bitclock-master;
				frame-master;
				playback = <&ssiu30 &ssi3>;
			};
		};
		/*
		 * (D) CPU3
		 */
		rsnd_port3: port@3 {
			reg = <3>;
			rsnd_for_pcm3168a_play2: endpoint {
				remote-endpoint = <&pcm3168a_endpoint_p2>;
				bitclock-master;
				frame-master;
				playback = <&ssiu31 &ssi3>;
			};
		};
		/*
		 * (E) CPU4
		 */
		rsnd_port4: port@4 {
			reg = <4>;
			rsnd_for_pcm3168a_play3: endpoint {
				remote-endpoint = <&pcm3168a_endpoint_p3>;
				bitclock-master;
				frame-master;
				playback = <&ssiu32 &ssi3>;
			};
		};
		/*
		 * (F) CPU5
		 */
		rsnd_port5: port@5 {
			reg = <5>;
			rsnd_for_pcm3168a_play4: endpoint {
				remote-endpoint = <&pcm3168a_endpoint_p4>;
				bitclock-master;
				frame-master;
				playback = <&ssiu33 &ssi3>;
			};
		};
		/*
		 * (G) CPU6
		 */
		rsnd_port6: port@6 {
			reg = <6>;
			rsnd_for_pcm3168a_capture: endpoint {
				remote-endpoint = <&pcm3168a_endpoint_c>;
				bitclock-master;
				frame-master;
				dai-tdm-slot-num = <6>;
				capture  = <&ssi4>;
			};
		};
	};
};