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ASoC: meson: add axg spdif output DT bindings documentation

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Add the DT bindings documentation for axg's SPDIF output.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Jerome Brunet 2018-07-17 17:42:54 +02:00 committed by Mark Brown
parent 7ed4877b40
commit eb257e6607
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Documentation/devicetree/bindings/sound/amlogic,axg-spdifout.txt Normal file
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* Amlogic Audio SPDIF Output
Required properties:
- compatible: 'amlogic,axg-spdifout'
- clocks: list of clock phandle, one for each entry clock-names.
- clock-names: should contain the following:
* "pclk" : peripheral clock.
* "mclk" : master clock
- #sound-dai-cells: must be 0.
Example on the A113 SoC:
spdifout: audio-controller@480 {
compatible = "amlogic,axg-spdifout";
reg = <0x0 0x480 0x0 0x50>;
#sound-dai-cells = <0>;
clocks = <&clkc_audio AUD_CLKID_SPDIFOUT>,
<&clkc_audio AUD_CLKID_SPDIFOUT_CLK>;
clock-names = "pclk", "mclk";
};