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linux-next/Documentation/devicetree/bindings/sound/mxs-audio-sgtl5000.txt
Christian Fischer 949293d45d
ASoC: mxs-sgtl5000: add audio-routing support
Add dapm_widgets to machine-driver (from imx-sgtl5000).
If the "audio-routing"-property is present at probing the dapm-widgets
getting linked to the card.

Signed-off-by: Christian Fischer <fischerc@swissphone.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-01-12 21:23:47 +00:00

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* Freescale MXS audio complex with SGTL5000 codec
Required properties:
- compatible : "fsl,mxs-audio-sgtl5000"
- model : The user-visible name of this sound complex
- saif-controllers : The phandle list of the MXS SAIF controller
- audio-codec : The phandle of the SGTL5000 audio codec
- 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 could be power supplies, SGTL5000
pins, and the jacks on the board:
Power supplies:
* Mic Bias
SGTL5000 pins:
* MIC_IN
* LINE_IN
* HP_OUT
* LINE_OUT
Board connectors:
* Mic Jack
* Line In Jack
* Headphone Jack
* Line Out Jack
* Ext Spk
Example:
sound {
compatible = "fsl,imx28-evk-sgtl5000",
"fsl,mxs-audio-sgtl5000";
model = "imx28-evk-sgtl5000";
saif-controllers = <&saif0 &saif1>;
audio-codec = <&sgtl5000>;
audio-routing =
"MIC_IN", "Mic Jack",
"Mic Jack", "Mic Bias",
"Headphone Jack", "HP_OUT";
};