Re: [PATCH v3 1/3] dt-bindings: display: panel: add common dual-display schema

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On Wed, Aug 23, 2023 at 11:35:24AM +0200, Krzysztof Kozlowski wrote:
> On 23/08/2023 10:34, Laurent Pinchart wrote:
> > Hi Krzysztof,
> > 
> > Thank you for the patch.
> > 
> > On Wed, Aug 23, 2023 at 10:14:58AM +0200, Krzysztof Kozlowski wrote:
> >> Add schema with common properties shared among dual display panel ICs.
> >>
> >> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> >>
> >> ---
> >>
> >> v2: https://lore.kernel.org/all/20230502120036.47165-1-krzysztof.kozlowski@xxxxxxxxxx/
> >> v1: https://lore.kernel.org/all/20230416153929.356330-1-krzysztof.kozlowski@xxxxxxxxxx/
> >>
> >> Changes since v2:
> >> 1. New Patch
> >> ---
> >>  .../display/panel/panel-common-dual.yaml      | 46 +++++++++++++++++++
> >>  1 file changed, 46 insertions(+)
> >>  create mode 100644 Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml
> >>
> >> diff --git a/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml b/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml
> >> new file mode 100644
> >> index 000000000000..83fcd643b5f5
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml
> >> @@ -0,0 +1,46 @@
> >> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/display/panel/panel-common-dual.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Common Properties for Dual-Display Panels
> >> +
> >> +maintainers:
> >> +  - Thierry Reding <thierry.reding@xxxxxxxxx>
> >> +  - Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> >> +
> >> +description:
> >> +  Properties common for Panel IC supporting dual display panels.
> > 
> > Could you elaborate on what you mean by dual display panels ? From what
> > I understand of the patch series, this seems to be what I have called
> > dual port panels, that is panels that have two input ports to double the
> > bandwidth, but still operate as one display.
> 
> Indeed, looks like that. I don't have the datasheets so I am trying to
> get some pieces of information. Judging by the usage of these panels -
> Qualcomm DSI with qcom,dual-dsi-mode - it indeed is one panel with two
> links.
> 
> I would need to rephrase it.

Thanks :-)

Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.yaml
may be of interest to you, it's a bridge with two LVDS inputs. On the
other side, I've used
Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml which
is an LVDS encoder with a single output, but with the ability to operate
in dual link mode by coupling two encoder instances.

-- 
Regards,

Laurent Pinchart



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