linux-kernel - Re: [PATCH v3 1/2] dt-bindings: input/touchscreen: add bindings for msg26xx

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Date:   Tue, 09 Feb 2021 19:58:33 +0100
From:   Vincent Knecht <vincent.knecht@...loo.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Henrik Rydberg <rydberg@...math.org>,
        Michael Srba <Michael.Srba@...nam.cz>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v3 1/2] dt-bindings: input/touchscreen: add bindings for
 msg26xx

Le mardi 09 février 2021 à 10:13 -0600, Rob Herring a écrit :
> On Thu, Jan 21, 2021 at 06:43:47PM +0100, Vincent Knecht wrote:
> > This adds dts bindings for the mstar msg26xx touchscreen.
> > 
> > Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
> > ---
> > Changed in v3:
> > - added `touchscreen-size-x: true` and `touchscreen-size-y: true` properties
> > Changed in v2:
> > - changed M-Star to MStar in title line
> > - changed reset gpio to active-low in example section
> > ---
> >  .../input/touchscreen/mstar,msg26xx.yaml      | 69 +++++++++++++++++++
> >  1 file changed, 69 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml
> > b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml
> > new file mode 100644
> > index 000000000000..5d26a1008bf1
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml
> > @@ -0,0 +1,69 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg26xx.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: MStar msg26xx touchscreen controller Bindings
> > +
> > +maintainers:
> > +  - Vincent Knecht <vincent.knecht@...loo.org>
> > +
> > +allOf:
> > +  - $ref: touchscreen.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: mstar,msg26xx
> 
> Don't use wildcards in compatible strings.

Thank you for the input...

Let's say I set it to "mstar,msg2638", is it better to rename the driver file and functions too ?
According to downstream source file naming, msg2638 is the model I have and test this driver with.


There's a possibility this driver works as-is or with minor mods for msg2633 too,
and a more remote one for msg21xx and msg22xx...