On Mon, Sep 2, 2024 at 2:54 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > > On Mon, Sep 02, 2024 at 01:36:29PM +0300, Alexandru Ardelean wrote: > > Some ADCs have channels with negative and positive inputs, which can be > > used to measure differential voltage levels. These inputs/pins are > > dedicated (to the given channel) and cannot be muxed as with other ADCs. > > > > For those types of setups, the 'diff-channels' property can be specified to > > be used with the channel number (or reg property) for both negative and > > positive inputs/pins. > > > > Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/iio/adc/adc.yaml | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml > > index 8e7835cf36fd..9b7a8e149639 100644 > > --- a/Documentation/devicetree/bindings/iio/adc/adc.yaml > > +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml > > @@ -37,6 +37,10 @@ properties: > > to both the positive and negative inputs of a differential ADC. > > The first value specifies the positive input pin, the second > > specifies the negative input pin. > > + There are also some ADCs, where the differential channel has dedicated > > + positive and negative inputs which can be used to measure differential > > + voltage levels. For those setups, this property can be configured with > > + the the 'reg' property (i.e. diff-channels = <reg reg>). > > Please run scripts/checkpatch.pl and fix reported warnings. Then please > run and (probably) fix more warnings. > Some warnings can be ignored, especially from --strict run, but the code > here looks like it needs a fix. Feel free to get in touch if the warning > is not clear. Right. Will fix. Seems checkpatch.pl is able to catch my stutter. > > Best regards, > Krzysztof >
