On Mon, Oct 07, 2024 at 05:45:45PM +0200, Julien Stephan wrote: > ad7380-4 is the only device from ad738x family that doesn't have an > internal reference. Moreover its external reference is called REFIN in > the datasheet while all other use REFIO as an optional external > reference. If refio-supply is omitted the internal reference is > used. > > Fix the binding by adding refin-supply and makes it required for > ad7380-4 only. Maybe let's just use refio as refin? Reference-IO fits here well. Otherwise you have two supplies for the same. Best regards, Krzysztof