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ASoC: samsung,tm2-audio DT binding documentation update

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This patch documents additional entries of the audio-codec and
i2s-controller properties required for the HDMI audio support.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Sylwester Nawrocki 2018-02-12 17:15:36 +01:00 committed by Mark Brown
parent 45ae70e8b6
commit 3a3ac1ea89
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1 changed files with 9 additions and 5 deletions
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Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
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@ -4,9 +4,13 @@ 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-codec : the first entry should be phandle of the wm5110 audio
codec node, as described in ../mfd/arizona.txt;
the second entry should be phandle of the HDMI
transmitter node
- i2s-controller : the list of phandle and argument tuples pointing to
I2S controllers, the first entry should be I2S0 and
the second one I2S1
- 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
@ -22,8 +26,8 @@ Example:
sound {
compatible = "samsung,tm2-audio";
audio-codec = <&wm5110>;
i2s-controller = <&i2s0>;
audio-codec = <&wm5110>, <&hdmi>;
i2s-controller = <&i2s0 0>, <&i2s1 0>;
audio-amplifier = <&max98504>;
mic-bias-gpios = <&gpr3 2 0>;
model = "wm5110";