Re: [PATCH v2 1/2] dt-bindings: i2c: add property to avoid device detection

From: Vincent Whitchurch
Date: Thu Apr 14 2022 - 04:55:49 EST


On Tue, Apr 12, 2022 at 11:22:41PM +0200, Rob Herring wrote:
> On Tue, Apr 12, 2022 at 10:50:45AM +0200, Vincent Whitchurch wrote:
> > diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt
> > index fc3dd7ec0445..960d1d5c9362 100644
> > --- a/Documentation/devicetree/bindings/i2c/i2c.txt
> > +++ b/Documentation/devicetree/bindings/i2c/i2c.txt
> > @@ -72,6 +72,10 @@ wants to support one of the below features, it should adapt these bindings.
> > this information to adapt power management to keep the arbitration awake
> > all the time, for example. Can not be combined with 'single-master'.
> >
> > +- no-detect
> > + states that no other devices are present on this bus other than the
> > + ones listed in the devicetree.
>
> This belongs in the schema instead:
>
> https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/i2c/i2c-controller.yaml

OK, thank you, I've sent a PR[0] now, but I must admit I don't quite
understand how this property differs from the other ones in this file
which aren't documented there.

[0] https://github.com/devicetree-org/dt-schema/pull/72