From fb7a97456e324b4ac13044db17a4f5b974e49e33 Mon Sep 17 00:00:00 2001 From: Bogdan Togorean Date: Tue, 19 Feb 2019 16:11:38 +0200 Subject: [PATCH] ASoC: adau1977: Add MICBIAS example in DT bindings Add MICBIAS property to the optional devicetree bindings. Signed-off-by: Bogdan Togorean Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/adi,adau1977.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/adi,adau1977.txt b/Documentation/devicetree/bindings/sound/adi,adau1977.txt index e79aeef73f28..87c16e6f2e7c 100644 --- a/Documentation/devicetree/bindings/sound/adi,adau1977.txt +++ b/Documentation/devicetree/bindings/sound/adi,adau1977.txt @@ -23,6 +23,12 @@ Optional properties: - DVDD-supply: supply voltage for the digital core, please consult Documentation/devicetree/bindings/regulator/regulator.txt +- adi,micbias: configures the voltage setting for the MICBIAS pin. + Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage + 5V/5.5V/6V/6.5V/7V/7.5V/8V/8.5V/9V + If not specified the default value will be "7" meaning 8.5 Volts. + This property is only valid for the ADAU1977 + For required properties on SPI, please consult Documentation/devicetree/bindings/spi/spi-bus.txt @@ -40,6 +46,7 @@ Examples: AVDD-supply = <®ulator>; DVDD-supply = <®ulator_digital>; + adi,micbias = <3>; reset_gpio = <&gpio 10 GPIO_ACTIVE_LOW>; }; -- 2.30.2