On Tue, 4 Feb 2020 11:10:05 +0100 Olivier Moysan <olivier.moysan@xxxxxx> wrote: > Add vref supply support to sigma delta modulator. > > Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxx> > --- > .../devicetree/bindings/iio/adc/sigma-delta-modulator.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml > index a390343d0c2a..2afe0765e971 100644 > --- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml > @@ -8,6 +8,7 @@ title: Device-Tree bindings for sigma delta modulator > > maintainers: > - Arnaud Pouliquen <arnaud.pouliquen@xxxxxx> > + - Olivier Moysan <olivier.moysan@xxxxxx> > > properties: > compatible: > @@ -21,6 +22,9 @@ properties: > '#io-channel-cells': > const: 0 > > + vref-supply: > + description: Phandle to the vref input analog reference voltage. I note this in review of patch 2 but in general I'm not sure we should be introducing this for generic devices. It's fine if we have an explicit compatible but there is no reason to assume a generic sd-modulator uses an external reference. Jonathan > + > required: > - compatible > - '#io-channel-cells'
