Unverified Commit bb93487b authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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ASoC: simple-scu-card: remove simple-scu-card on Doc 



It is already merged into simple-card.
simple-scu-card is no longer needed.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 61c263ac

Documentation/devicetree/bindings/sound/simple-scu-card.txt

deleted100644 → 0
+0 −94
Original line number Diff line number Diff line 
ASoC Simple SCU Sound Card



Simple SCU Sound Card is "Simple Sound Card" + "ALSA DPCM".

For example, you can use this driver if you want to exchange sampling rate convert,

Mixing, etc...



Required properties:



- compatible				: "simple-scu-audio-card"

					  "renesas,rsrc-card"

Optional properties:



- simple-audio-card,name		: see simple-audio-card.txt

- simple-audio-card,cpu			: see simple-audio-card.txt

- simple-audio-card,codec		: see simple-audio-card.txt



Optional subnode properties:



- simple-audio-card,format		: see simple-audio-card.txt

- simple-audio-card,frame-master	: see simple-audio-card.txt

- simple-audio-card,bitclock-master	: see simple-audio-card.txt

- simple-audio-card,bitclock-inversion	: see simple-audio-card.txt

- simple-audio-card,frame-inversion	: see simple-audio-card.txt

- simple-audio-card,convert-rate	: platform specified sampling rate convert

- simple-audio-card,convert-channels	: platform specified converted channel size (2 - 8 ch)

- simple-audio-card,prefix		: see routing

- simple-audio-card,widgets		: Please refer to widgets.txt.

- simple-audio-card,routing		: A list of the connections between audio components.

					  Each entry is a pair of strings, the first being the connection's sink,

					  the second being the connection's source. Valid names for sources.

					  use audio-prefix if some components is using same sink/sources naming.

					  it can be used if compatible was "renesas,rsrc-card";



Required CPU/CODEC subnodes properties:



- sound-dai				: see simple-audio-card.txt



Optional CPU/CODEC subnodes properties:



- clocks / system-clock-frequency	: see simple-audio-card.txt



Example 1. Sampling Rate Conversion



sound {

	compatible = "simple-scu-audio-card";



	simple-audio-card,name = "rsnd-ak4643";

	simple-audio-card,format = "left_j";

	simple-audio-card,bitclock-master = <&sndcodec>;

	simple-audio-card,frame-master = <&sndcodec>;



	simple-audio-card,convert-rate = <48000>;



	simple-audio-card,prefix = "ak4642";

	simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",

			"DAI0 Capture", "ak4642 Capture";



	sndcpu: simple-audio-card,cpu {

		sound-dai = <&rcar_sound>;

	};



	sndcodec: simple-audio-card,codec {

		sound-dai = <&ak4643>;

		system-clock-frequency = <11289600>;

	};

};



Example 2. 2 CPU 1 Codec (Mixing)



sound {

	compatible = "simple-scu-audio-card";



	simple-audio-card,name = "rsnd-ak4643";

	simple-audio-card,format = "left_j";

	simple-audio-card,bitclock-master = <&dpcmcpu>;

	simple-audio-card,frame-master = <&dpcmcpu>;



	simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",

			"ak4642 Playback", "DAI1 Playback";



	dpcmcpu: cpu@0 {

		sound-dai = <&rcar_sound 0>;

	};



	cpu@1 {

		sound-dai = <&rcar_sound 1>;

	};



	codec {

		prefix = "ak4642";

		sound-dai = <&ak4643>;

		clocks = <&audio_clock>;

	};

};