Re: [PATCH 2/4] dt-bindings: display: panel: Add Himax HX83112B

[Luca Weiss]

Hi Krzysztof,

On 23-02-2025 12:54 p.m., Krzysztof Kozlowski wrote:
> On Sat, Feb 22, 2025 at 06:58:05PM +0100, Luca Weiss wrote:
> > Himax HX83112B is a display driver IC used to drive LCD DSI panels.
> > Describe it and the Fairphone 3 panel from DJN using it.
> >
> > Signed-off-by: Luca Weiss <luca@xxxxxxxxxxxx>
> > ---
> >   .../bindings/display/panel/himax,hx83112b.yaml     | 75 ++++++++++++++++++++++
> >   1 file changed, 75 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/panel/himax,hx83112b.yaml b/Documentation/devicetree/bindings/display/panel/himax,hx83112b.yaml
> > new file mode 100644
> > index 0000000000000000000000000000000000000000..e6bd4b33d40be98e479d84617aea6d2af0df70e4
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/panel/himax,hx83112b.yaml
> > @@ -0,0 +1,75 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/panel/himax,hx83112b.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Himax HX83112B-based DSI display panels
> > +
> > +maintainers:
> > +  - Luca Weiss <luca@xxxxxxxxxxxx>
> > +
> > +description:
> > +  The Himax HX83112B is a generic DSI Panel IC used to control
> > +  LCD panels.
> > +
> > +allOf:
> > +  - $ref: panel-common.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    contains:
> > +      const: djn,fairphone-fp3-panel
>
> Why no himax,hx83112b fallback?

While this is the driver IC for this panel, I don't think there's any 
"generic" init sequence that can successfully configure this panel, so 
generic hx83112b driver could work I'd say.

Regards
Luca

> Best regards,
> Krzysztof