Re: [PATCH v3 1/2] dt-bindings: display: bridge: Add bindings for Chipone ICN6211

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Hi Laurent,

On Mon, Feb 15, 2021 at 5:48 PM Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Jagan,
>
> Thank you for the patch.
>
> On Sun, Feb 14, 2021 at 11:22:10PM +0530, Jagan Teki wrote:
> > ICN6211 is MIPI-DSI to RGB Convertor bridge from Chipone.
> >
> > It has a flexible configuration of MIPI DSI signal input and
> > produce RGB565, RGB666, RGB888 output format.
> >
> > Add dt-bingings for it.
> >
> > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> > ---
> > Changes for v3:
> > - updated to new dt-bindings style
> >
> >  .../display/bridge/chipone,icn6211.yaml       | 90 +++++++++++++++++++
> >  1 file changed, 90 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
> > new file mode 100644
> > index 000000000000..13764f13fe46
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
> > @@ -0,0 +1,90 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/bridge/chipone,icn6211.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Chipone ICN6211 MIPI-DSI to RGB Converter bridge
> > +
> > +maintainers:
> > +  - Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> > +
> > +description: |
> > +  ICN6211 is MIPI-DSI to RGB Convertor bridge from chipone.
> > +
> > +  It has a flexible configuration of MIPI DSI signal input and
> > +  produce RGB565, RGB666, RGB888 output format.
>
> How does one select between the output formats ? Should the output
> connection option be described in the device tree ?

I think that is a good option to select output formats via dts. what
if it makes it a generic property like data-lanes? since it is common
across many other bridges.

>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - chipone,icn6211
> > +
> > +  reg:
> > +    maxItems: 1
> > +    description: virtual channel number of a DSI peripheral
> > +
> > +  reset-gpios:
> > +    description: GPIO connected for the reset pin
> > +
> > +  ports:
> > +    $ref: /schemas/graph.yaml#/properties/ports
> > +
> > +    properties:
> > +      port@0:
> > +        $ref: /schemas/graph.yaml#/properties/port
> > +        description:
> > +          Video port for MIPI DSI input
> > +
> > +      port@1:
> > +        $ref: /schemas/graph.yaml#/properties/port
> > +        description:
> > +          Video port for MIPI DPI output (panel or connector).
> > +
> > +    required:
> > +      - port@0
> > +      - port@1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - reset-gpios
> > +  - ports
>
> How about regulators ?

Will add it in the next version.

Jagan.



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