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Commit 48a76027 authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mark Brown
Browse files

ASoC: samsung: Add DT bindings documentation for TM2 sound subsystem 



This patch adds DT binding documentation for Exnos5433 based TM2
and TM2E boards sound subsystem.

Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 95f5609d

Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt

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+38 −0
Original line number Diff line number Diff line 
Samsung Exynos5433 TM2(E) audio complex with WM5110 codec



Required properties:



 - compatible		 : "samsung,tm2-audio"

 - model		 : the user-visible name of this sound complex

 - audio-codec		 : the phandle of the wm5110 audio codec node,

			   as described in ../mfd/arizona.txt

 - i2s-controller	 : the phandle of the I2S controller

 - audio-amplifier	 : the phandle of the MAX98504 amplifier

 - samsung,audio-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 and sinks are the

			   WM5110's and MAX98504's pins and the jacks on the

			   board: HP, SPK, Main Mic, Sub Mic, Third Mic,

			   Headset Mic

 - mic-bias-gpios	 : GPIO pin that enables the Main Mic bias regulator





Example:



sound {

	compatible = "samsung,tm2-audio";

	audio-codec = <&wm5110>;

	i2s-controller = <&i2s0>;

	audio-amplifier = <&max98504>;

	mic-bias-gpios = <&gpr3 2 0>;

	model = "wm5110";

	samsung,audio-routing =

		"HP", "HPOUT1L",

		"HP", "HPOUT1R",

		"SPK", "SPKOUT",

		"SPKOUT", "HPOUT2L",

		"SPKOUT", "HPOUT2R",

		"Main Mic", "MICBIAS2",

		"IN1R", "Main Mic";

};