linux-kernel - Re: [PATCH v18 3/8] dt-bindings: display: bridge: Add Cadence MHDP8501

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Message-ID: <xmfohy6lpyfdc33gqt7vyagfqfhqwyb67id6gla6ydmah6ryuu@jll5fz2wx7dg>
Date: Thu, 31 Oct 2024 22:56:18 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Sandor Yu <Sandor.yu@....com>
Cc: andrzej.hajda@...el.com, neil.armstrong@...aro.org, 
	Laurent.pinchart@...asonboard.com, jonas@...boo.se, jernej.skrabec@...il.com, airlied@...il.com, 
	daniel@...ll.ch, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, 
	shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com, vkoul@...nel.org, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, mripard@...nel.org, 
	kernel@...gutronix.de, linux-imx@....com, oliver.brown@....com, 
	alexander.stein@...tq-group.com, sam@...nborg.org
Subject: Re: [PATCH v18 3/8] dt-bindings: display: bridge: Add Cadence
 MHDP8501

On Thu, Oct 31, 2024 at 09:55:45PM +0200, Dmitry Baryshkov wrote:
> On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote:
> > Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
> > 
> > Signed-off-by: Sandor Yu <Sandor.yu@....com>
> > ---
> > v17->v18:
> > - remove lane-mapping and replace it with data-lanes
> > - remove r-b tag as property changed.
> > 
> > v16->v17:
> > - Add lane-mapping property
> > 
> > v9->v16:
> >  *No change
> > 
> >  .../display/bridge/cdns,mhdp8501.yaml         | 112 ++++++++++++++++++
> >  1 file changed, 112 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> > new file mode 100644
> > index 0000000000000..e4b900ecf1ac9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> > @@ -0,0 +1,112 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Cadence MHDP8501 DP/HDMI bridge
> > +
> > +maintainers:
> > +  - Sandor Yu <Sandor.yu@....com>
> > +
> > +description:
> > +  Cadence MHDP8501 DisplayPort/HDMI interface.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - fsl,imx8mq-mhdp8501
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 1
> > +    description: MHDP8501 DP/HDMI APB clock.
> > +
> > +  phys:
> > +    maxItems: 1
> > +    description:
> > +      phandle to the DP/HDMI PHY
> > +
> > +  interrupts:
> > +    items:
> > +      - description: Hotplug cable plugin.
> > +      - description: Hotplug cable plugout.
> > +
> > +  interrupt-names:
> > +    items:
> > +      - const: plug_in
> > +      - const: plug_out
> > +
> > +  data-lanes:
> > +    $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes
> > +    minItems: 4
> > +    maxItems: 4
> > +    description: Lane reordering for HDMI or DisplayPort interface.
> 
> So, HDMI or DP port? I don't think the format is actually the same, so
> it is either-or.

Please ignore this, I've misread the text.


-- 
With best wishes
Dmitry