linux-kernel - Re: [PATCH v3 2/3] dt-bindings: touchscreen: Add HY46XX bindings

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Date:   Wed, 7 Apr 2021 13:56:14 -0500
From:   Rob Herring <robh@...nel.org>
To:     Giulio Benetti <giulio.benetti@...ettiengineering.com>
Cc:     Linux Input <linux-input@...r.kernel.org>,
        devicetree@...r.kernel.org,
        Jonathan Neuschäfer <j.ne@...teo.net>,
        Henrik Rydberg <rydberg@...math.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/3] dt-bindings: touchscreen: Add HY46XX bindings

On Wed, Apr 7, 2021 at 12:57 PM Giulio Benetti
<giulio.benetti@...ettiengineering.com> wrote:
>
> Hello Rob, All,
>
> On 4/6/21 3:24 PM, Rob Herring wrote:
> > On Fri, 02 Apr 2021 18:16:26 +0200, Giulio Benetti wrote:
> >> This adds device tree bindings for the Hycon HY46XX touchscreen series.
> >>
> >> Signed-off-by: Giulio Benetti <giulio.benetti@...ettiengineering.com>
> >> ---
> >> V1->V2:
> >> As suggested by Rob Herring:
> >> * fixed $id: address
> >> * added "hycon," in front of every custom property
> >> * changed all possible property to boolean type
> >> * removed proximity-sensor-switch property since it's not handled in driver
> >> V2->V3:
> >> As suggested by Jonathan Neuschäfer:
> >> * fixed some typo
> >> * fixed description indentation
> >> * improved boolean properties descriptions
> >> * improved hycon,report-speed description
> >> ---
> >>   .../input/touchscreen/hycon,hy46xx.yaml       | 120 ++++++++++++++++++
> >>   MAINTAINERS                                   |   6 +
> >>   2 files changed, 126 insertions(+)
> >>   create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml
> >>
> >
> > My bot found errors running 'make dt_binding_check' on your patch:
> >
> > yamllint warnings/errors:
> >
> > dtschema/dtc warnings/errors:
> > Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.example.dt.yaml:0:0: /example-0/i2c/hycon-hy4633@1c: failed to match any schema with compatible: ['hycon,hy4633']
> >
> > See https://patchwork.ozlabs.org/patch/1461797
> >
> > This check can fail if there are any dependencies. The base for a patch
> > series is generally the most recent rc1.
> >
> > If you already ran 'make dt_binding_check' and didn't see the above
> > error(s), then make sure 'yamllint' is installed and dt-schema is up to
> > date:
>
> I've just send corrected patches.
>
> Anyway I'd like to understand how to make dt_binding_check works correctly.
>
> I've installed yamllint and 'make dt_binding_check' works but it still
> doesn't show that error up on compatible string.
>
> yamllint I have is version 1.20.0
>
> > pip3 install dtschema --upgrade
>
> I've already tried with that too and dtschema version is:
> 1.3.8

Huh? dtschema versions are YYYY.MM.

> I've read that dtc must be compiled with YAML output enabled and it
> seems to be so, since when I issue 'make dt_binding_check' from my file:
> hycon,hy46xx.yaml(with compatible string wrong "hycon,hy4633")

It's a new check queued for 5.13 in linux-next. See commit
c59773d204cc ("kbuild: Enable DT undocumented compatible checks").

I've updated the bot email with this, but after I sent this one.

Rob