On 23/06/2023 23.57, Rob Herring wrote: > On Fri, Jun 23, 2023 at 05:44:50PM +0100, Conor Dooley wrote: >> On Fri, Jun 23, 2023 at 01:33:25PM +0200, Rasmus Villemoes wrote: >>> diff --git a/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml b/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml >>> index 590ea7936ad7..1f90ce3c7932 100644 >>> --- a/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml >>> +++ b/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml >>> @@ -51,6 +51,14 @@ properties: >>> Shunt (sense) resistor value in micro-Ohms. >>> default: 100000000 >>> >>> + digital-input-threshold-microvolt: >> >> Should this not have an adi vendor prefix, similar to >> "adi,digital-input-threshold-mode-fixed"? > > Yes. OK. But I'm not really sure what the rules are for when such a prefix must be added, so some guidance would be appreciated. There's - DO use a vendor prefix on device specific property names. Consider if properties could be common among devices of the same class. And my thinking was that a threshold for when a digital input should count as high/low would be a rather generic thing, so not particularly device specific. Also, this very binding has a shunt-resistor-micro-ohms, and the individual channels have a drive-strength-microamp (granted, that latter one is a recent one of mine and may have slipped through review?). I can certainly understand that when a property specifies a raw value to put into some register (or field), that's very specific to that chip (or small family of chips) - the adi,ch-func properties fall into that category. Rasmus