On 06/03/2023 10:43, Rasmus Villemoes wrote: > Depending on the actual hardware wired up to a digital input channel, > it may be necessary to configure the ad74413r to sink a small > current. For example, in the case of a simple mechanical switch, the > charge on the external 68 nF capacitor (cf. the data sheet's Figure > 34) will keep the channel as reading high even after the switch is > turned off again. > > Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/iio/addac/adi,ad74413r.yaml | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml b/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml > index 9eb3ecc8bbc8..590ea7936ad7 100644 > --- a/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml > +++ b/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml > @@ -101,6 +101,15 @@ patternProperties: > When not configured as a comparator, the GPO will be treated as an > output-only GPIO. > > + drive-strength-microamp: > + description: | > + For channels configured as digital input, this configures the sink > + current. > + minimum: 0 > + maximum: 1800 > + default: 0 > + multipleOf: 120 You could add it also to the example, but it's fine: Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof
