linux-kernel - Re: [PATCH 16/38] dt-bindings: power: supply: tps65217: Convert to DT schema format

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Date:   Tue, 16 Mar 2021 11:52:47 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     "open list:THERMAL" <linux-pm@...r.kernel.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Collabora Kernel ML <kernel@...labora.com>
Subject: Re: [PATCH 16/38] dt-bindings: power: supply: tps65217: Convert to DT
 schema format

On Tue, Mar 16, 2021 at 10:20 AM Sebastian Reichel
<sebastian.reichel@...labora.com> wrote:
>
> Hi Rob,
>
> On Mon, Mar 15, 2021 at 12:33:23PM -0600, Rob Herring wrote:
> > On Fri, Mar 12, 2021 at 8:44 AM Sebastian Reichel
> > <sebastian.reichel@...labora.com> wrote:
> > > +  interrupts:
> > > +    minItems: 2
> > > +    maxItems: 2
> >
> > We've lost info that was in the original binding. You could do
> > something like this:
> >
> > items:
> >   - description: USB charger
> >     const: 0
> >   - description: AC charger
> >     const: 1
> >
> > (Usually the interrupt values would be out of scope of the binding,
> > but I guess here it makes some sense.)
>
> I initially did this, but it did not work. I see the following for
> dt_binding_check (dtbs_check triggers the same):
>
> Documentation/devicetree/bindings/power/supply/tps65217-charger.example.dt.yaml: charger: interrupts:0: [0] is too short
>         From schema: Documentation/devicetree/bindings/power/supply/tps65217-charger.yaml
> Documentation/devicetree/bindings/power/supply/tps65217-charger.example.dt.yaml: charger: interrupts: [[0], [1]] is too long
>         From schema: Documentation/devicetree/bindings/power/supply/tps65217-charger.yaml
> Documentation/devicetree/bindings/power/supply/tps65217-charger.example.dt.yaml: charger: interrupts: Additional items are not allowed ([1] was unexpected)
>         From schema: Documentation/devicetree/bindings/power/supply/tps65217-charger.yaml
>
> Seemed to be a limitation in the validation tool, so I just dropped
> the extra information. If we do not want to loose information I can
> add it to the description, or should the validation tool be fixed?
> I suppose it's kind of unusual, that the binding can provide the
> interrupt line numbers.

It is, so let's just leave it as-is.

Rob