[PATCH 1/2] dt-bindings: display: panel: document Synaptics TDDI panel driver

[Conor Dooley]

On Thu, Jun 12, 2025 at 03:47:55PM +0000, Kaustabh Chakraborty wrote:
> On 2025-06-12 15:32, Conor Dooley wrote:
> > On Thu, Jun 12, 2025 at 08:09:40PM +0530, Kaustabh Chakraborty wrote:
> >> Document the driver for Synaptics TDDI (Touch/Display Integration) panels.
> >> Along with the MIPI-DSI panel, these devices also have an in-built LED
> >> backlight device and a touchscreen, all packed together in a single chip.
> >> Also, add compatibles for supported panels - TD4101 and TD4300.
> >> 
> >> Signed-off-by: Kaustabh Chakraborty <kauschluss at disroot.org>
> >> ---
> >>  .../bindings/display/panel/synaptics,tddi.yaml     | 92 ++++++++++++++++++++++
> >>  1 file changed, 92 insertions(+)
> >> 
> >> diff --git a/Documentation/devicetree/bindings/display/panel/synaptics,tddi.yaml b/Documentation/devicetree/bindings/display/panel/synaptics,tddi.yaml
> >> new file mode 100644
> >> index 0000000000000000000000000000000000000000..3aae1358a1d764361c072d3b54f74cdf634f7fa8
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/display/panel/synaptics,tddi.yaml
> > 
> > File called synaptics,tddi
> > 
> >> @@ -0,0 +1,92 @@
> >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/display/panel/samsung,tddi.yaml#
> > 
> > id of samsung,tddi
> > 
> > [...]
> >
> >> +properties:
> >> +  compatible:
> >> +    enum:
> >> +      - syna,td4101-panel
> >> +      - syna,td4300-panel
> > 
> > compatibles are syna,td####-panel
> > 
> > These should be consistent and tooling should have complained about the
> > mismatch between id and filename at the least.
> 
> Hmm, I don't recall seeing any errors. Do I pick any one then? Or is there
> any other generic way?

The id must match the filename and the filename should match one of the
compatibles.

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