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ASoC: dt-binding: Add bindings for Allwinner A64 codec's analog path controls 

The internal codec on Allwinner A64 is split into 2 parts. The
analog path controls are routed through an embedded custom register
bus accessed through the PRCM block just as on A23/A33/H3.

Add a binding for this hardware.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vasily Khoruzhick 2018-10-17 00:38:08 -07:00 committed by Mark Brown
parent 55b407f646
commit af2c06c419
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Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt Normal file
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* Allwinner A64 Codec Analog Controls
Required properties:
- compatible: must be one of the following compatibles:
- "allwinner,sun50i-a64-codec-analog"
- reg: must contain the registers location and length
Example:
codec_analog: codec-analog@1f015c0 {
compatible = "allwinner,sun50i-a64-codec-analog";
reg = <0x01f015c0 0x4>;
};