On Tue, Feb 19, 2019 at 8:12 AM Bogdan Togorean <bogdan.togorean@xxxxxxxxx> wrote: > > Add MICBIAS property to the optional devicetree bindings. > > Signed-off-by: Bogdan Togorean <bogdan.togorean@xxxxxxxxx> > --- > 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 There's no shortage of mic bias properties for codecs. We should define a common property for this. But looks like this is already applied, so what's one more... Rob
