Re: [PATCH 1/2] dt-bindings: display: panel: Add NewVision NV3051D panel bindings

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On Wed, Sep 07, 2022 at 08:35:13AM -0500, Chris Morgan wrote:
> On Wed, Sep 07, 2022 at 02:53:56PM +0200, Krzysztof Kozlowski wrote:
> > On 06/09/2022 20:52, Chris Morgan wrote:
> > > From: Chris Morgan <macromorgan@xxxxxxxxxxx>
> > > 
> > > Add documentation for the NewVision NV3051D panel bindings.
> > > Note that for the two expected consumers of this panel binding
> > > the underlying LCD model is unknown.
> > > 
> > > Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
> > > ---
> > >  .../display/panel/newvision,nv3051d.yaml      | 48 +++++++++++++++++++
> > >  1 file changed, 48 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml
> > > 
> > > diff --git a/Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml b/Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml
> > > new file mode 100644
> > > index 000000000000..016168d8d7b2
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml
> > > @@ -0,0 +1,48 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fdisplay%2Fpanel%2Fnewvision%2Cnv3051d.yaml%23&amp;data=05%7C01%7C%7C69d30de15aea41517acb08da90d0079f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637981520397977782%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=qfuvbrQYP3rKnp%2ByPmPmn%2BCJJOQkNkTGT49FkJmIics%3D&amp;reserved=0
> > 
> > You need to document vendor prefix... but the filename does not match
> > compatible.
> 
> Okay, will do that. This is a tricky one because while I know the panel
> controller IC (a NewVision NV3051D) I don't actually know the LCD panel
> itself, the vendor is somewhat tight lipped. I do know the product it
> goes into, so that's why I did what I did with the compatible strings.
> If that's not correct I guess let me know. I did see for other drivers
> (such as the NewVision NV3052C) the driver was written for the IC
> and the panel name was listed differently, hence what I was going for
> here.

I think most cases like this targeting a specific LCD driver IC, there's 
a driver IC compatible as a fallback. 

(TBC, 'driver' here is not Linux driver, but the h/w chip.)

Rob



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