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Message-ID: <CAL_Jsq+6fvCaxLexo9c6zs+8vwyfPAOCCVsejw_uKURVU-Md9w@mail.gmail.com>
Date: Wed, 25 Sep 2024 12:40:56 -0500
From: Rob Herring <robh@...nel.org>
To: Charles Wang <charles.goodix@...il.com>, dmitry.torokhov@...il.com
Cc: dianders@...omium.org, dan.carpenter@...aro.org, conor@...nel.org, 
	krzk+dt@...nel.org, jikos@...nel.org, bentiss@...nel.org, 
	hbarnor@...omium.org, linux-input@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v7 2/2] dt-bindings: input: Goodix SPI HID Touchscreen

On Tue, Sep 10, 2024 at 5:41 PM Rob Herring <robh@...nel.org> wrote:
>
> On Fri, Sep 6, 2024 at 3:28 PM Rob Herring <robh@...nel.org> wrote:
> >
> > On Tue, Aug 13, 2024 at 9:45 PM Charles Wang <charles.goodix@...il.com> wrote:
> > >
> > > The Goodix GT7986U touch controller report touch data according to the
> > > HID protocol through the SPI bus. However, it is incompatible with
> > > Microsoft's HID-over-SPI protocol.
> > >
> > > Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
> > > Signed-off-by: Charles Wang <charles.goodix@...il.com>
> > > ---
> > >  .../bindings/input/goodix,gt7986u.yaml        | 71 +++++++++++++++++++
> > >  1 file changed, 71 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/input/goodix,gt7986u.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/input/goodix,gt7986u.yaml b/Documentation/devicetree/bindings/input/goodix,gt7986u.yaml
> > > new file mode 100644
> > > index 000000000..a7d42a5d6
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/input/goodix,gt7986u.yaml
> > > @@ -0,0 +1,71 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/input/goodix,gt7986u.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: GOODIX GT7986U SPI HID Touchscreen
> > > +
> > > +maintainers:
> > > +  - Charles Wang <charles.goodix@...il.com>
> > > +
> > > +description: Supports the Goodix GT7986U touchscreen.
> > > +  This touch controller reports data packaged according to the HID protocol,
> > > +  but is incompatible with Microsoft's HID-over-SPI protocol.
> > > +
> > > +allOf:
> > > +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> > > +
> > > +properties:
> > > +  compatible:
> > > +    enum:
> > > +      - goodix,gt7986u
> >
> > This is already documented in goodix,gt7375p.yaml. Now linux-next has warnings:
> >
> > /builds/robherring/linux-dt/Documentation/devicetree/bindings/input/goodix,gt7986u.example.dtb:
> > touchscreen@0: compatible: 'oneOf' conditional failed, one must be
> > fixed:
> >         ['goodix,gt7986u'] is too short
> >         'goodix,gt7375p' was expected
> >         from schema $id:
> > http://devicetree.org/schemas/input/goodix,gt7375p.yaml#
> > /builds/robherring/linux-dt/Documentation/devicetree/bindings/input/goodix,gt7986u.example.dtb:
> > touchscreen@0: reg:0:0: 0 is not one of [93, 20]
> >         from schema $id:
> > http://devicetree.org/schemas/input/goodix,gt7375p.yaml#
> > /builds/robherring/linux-dt/Documentation/devicetree/bindings/input/goodix,gt7986u.example.dtb:
> > touchscreen@0: 'vdd-supply' is a required property
> >         from schema $id:
> > http://devicetree.org/schemas/input/goodix,gt7375p.yaml#
> > /builds/robherring/linux-dt/Documentation/devicetree/bindings/input/goodix,gt7986u.example.dtb:
> > touchscreen@0: 'goodix,hid-report-addr', 'spi-max-frequency' do not
> > match any of the regexes: 'pinctrl-[0-9]+'
> >         from schema $id:
> > http://devicetree.org/schemas/input/goodix,gt7375p.yaml#
> >
> > Please sort this out and send a fix.
>
> I should add that it is intermittent whether you see this error or
> not. The tools select a single schema based on the compatible string
> and it is undefined which of the 2 schemas you will get.

Still an issue and no response. Please fix or revert the series.

Rob

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