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ASoC: es7241: add dt-bindings documentation for the es7241 adc 

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Jerome Brunet 2018-07-03 15:28:44 +02:00 committed by Mark Brown
parent 2daf3d9962
commit 1b8fc56ed5
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Documentation/devicetree/bindings/sound/everest,es7241.txt 100644
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ES7241 i2s AD converter
Required properties:
- compatible : "everest,es7241"
- VDDP-supply: regulator phandle for the VDDA supply
- VDDA-supply: regulator phandle for the VDDP supply
- VDDD-supply: regulator phandle for the VDDD supply
Optional properties:
- reset-gpios: gpio connected to the reset pin
- m0-gpios : gpio connected to the m0 pin
- m1-gpios : gpio connected to the m1 pin
- everest,sdout-pull-down:
Format used by the serial interface is controlled by pulling
the sdout. If the sdout is pulled down, leftj format is used.
If this property is not provided, sdout is assumed to pulled
up and i2s format is used
Example:
linein: audio-codec@2 {
#sound-dai-cells = <0>;
compatible = "everest,es7241";
VDDA-supply = <&vcc_3v3>;
VDDP-supply = <&vcc_3v3>;
VDDD-supply = <&vcc_3v3>;
reset-gpios = <&gpio GPIOH_42>;
};