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ASoC: adau1977: Add MICBIAS example in DT bindings
Add MICBIAS property to the optional devicetree bindings. Signed-off-by: Bogdan Togorean <bogdan.togorean@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -23,6 +23,12 @@ Optional properties:
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- DVDD-supply: supply voltage for the digital core, please consult
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Documentation/devicetree/bindings/regulator/regulator.txt
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- adi,micbias: configures the voltage setting for the MICBIAS pin.
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Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage
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5V/5.5V/6V/6.5V/7V/7.5V/8V/8.5V/9V
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If not specified the default value will be "7" meaning 8.5 Volts.
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This property is only valid for the ADAU1977
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For required properties on SPI, please consult
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Documentation/devicetree/bindings/spi/spi-bus.txt
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@ -40,6 +46,7 @@ Examples:
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AVDD-supply = <®ulator>;
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DVDD-supply = <®ulator_digital>;
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adi,micbias = <3>;
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reset_gpio = <&gpio 10 GPIO_ACTIVE_LOW>;
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};
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