[EXT] Re: [PATCH v7 3/7] dt-bindings: display: bridge: Add Cadence MHDP850
Sandor Yu
sandor.yu at nxp.com
Tue Jul 18 19:32:41 PDT 2023
Hi Rob,
Thanks for your comment.
> > Hi Alexander,
> >
> > Thanks for your comments,
> >
> > >
> > > Am Montag, 17. Juli 2023, 10:03:49 CEST schrieb Sandor Yu:
> > > > ********************
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> weiter.
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> > > > ********************
> > > >
> > > > Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge..
> > > >
> > > > Signed-off-by: Sandor Yu <Sandor.yu at nxp.com>
> > > > ---
> > > > .../display/bridge/cdns,mhdp8501.yaml | 105
> > > ++++++++++++++++++
> > > > 1 file changed, 105 insertions(+) create mode 100644
> > > >
> Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yam
> > > > l
> > > >
> > > > diff --git
> > > > a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.y
> > > > aml
> > > > b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.y
> > > > aml new file mode 100644 index 000000000000..b983ee765f54
> > > > --- /dev/null
> > > > +++
> > > b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.y
> > > > +++ aml
> > > > @@ -0,0 +1,105 @@
> > > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2
> > > > +---
> > > > +$id:
> > > > +http://devi/
> > > >
> > >
> +cetree.org%2Fschemas%2Fdisplay%2Fbridge%2Fcdns%2Cmhdp8501.yaml%
> > > 23&dat
> > > >
> > >
> +a=05%7C01%7CSandor.yu%40nxp.com%7C603a90f3f3c34d32a1e708db86a
> > > 8f868%7C
> > > >
> > >
> +686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C63825183250590544
> > > 2%7CUnkno
> > > >
> > >
> +wn%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1
> > > haWwi
> > > >
> > >
> +LCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=JnbufeZplo%2B6JGW4HaK
> > > %2BLyC0MESK
> > > > +GsV%2FtjfeXCXqK4U%3D&reserved=0
> > > > +$schema:
> > > > +http://devi/
> > > >
> > >
> +cetree.org%2Fmeta-schemas%2Fcore.yaml%23&data=05%7C01%7CSandor.
> > > yu%40n
> > > >
> > >
> +xp.com%7C603a90f3f3c34d32a1e708db86a8f868%7C686ea1d3bc2b4c6fa9
> > > 2cd99c5
> > > >
> > >
> +c301635%7C0%7C0%7C638251832505905442%7CUnknown%7CTWFpbGZs
> > > b3d8eyJWIjoi
> > > >
> > >
> +MC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3
> > > 000%7C%
> > > >
> > >
> +7C%7C&sdata=rdOyjVz4gGnToVC40Rcfp%2Fk925yC%2F6xNwGbBAnOtcDQ
> > > %3D&reserv
> > > > +ed=0
> > > > +
> > > > +title: Cadence MHDP8501 DP/HDMI bridge
> > > > +
> > > > +maintainers:
> > > > + - Sandor Yu <Sandor.yu at nxp.com>
> > > > +
> > > > +description:
> > > > + Cadence MHDP8501 DisplayPort/HDMI interface.
> > > > +
> > > > +properties:
> > > > + compatible:
> > > > + enum:
> > > > + - cdns,mhdp8501
> > > > + - fsl,imx8mq-mhdp8501
> > > > +
> > > > + reg:
> > > > + maxItems: 1
> > > > +
> > > > + clocks:
> > > > + maxItems: 1
> > > > + description: MHDP8501 DP/HDMI APB clock.
> > > > +
> > > > + phys:
> > > > + maxItems: 1
> > > > + description:
> > > > + phandle to the DisplayPort or HDMI PHY
> > > > +
> > > > + interrupts:
> > > > + items:
> > > > + - description: Hotplug cable plugin.
> > > > + - description: Hotplug cable plugout.
> > > > +
> > > > + interrupt-names:
> > > > + items:
> > > > + - const: plug_in
> > > > + - const: plug_out
> > > > +
> > > > + ports:
> > > > + $ref: /schemas/graph.yaml#/properties/ports
> > > > +
> > > > + properties:
> > > > + port at 0:
> > > > + $ref: /schemas/graph.yaml#/properties/port
> > > > + description:
> > > > + Input port from display controller output.
> > > > + port at 1:
> > > > + $ref: /schemas/graph.yaml#/properties/port
> > > > + description:
> > > > + Output port to DisplayPort or HDMI connector.
> > > > +
> > > > + required:
> > > > + - port at 0
> > > > + - port at 1
> > > > +
> > > > +required:
> > > > + - compatible
> > > > + - reg
> > > > + - clocks
> > > > + - interrupts
> > > > + - interrupt-names
> > > > + - phys
> > > > + - ports
> > > > +
> > > > +additionalProperties: false
> > > > +
> > > > +examples:
> > > > + - |
> > > > + #include <dt-bindings/clock/imx8mq-clock.h>
> > > > + #include <dt-bindings/interrupt-controller/arm-gic.h>
> > > > +
> > > > + mhdp_dp: dp-bridge at 32c00000 {
> > >
> > > I'm not sure, but I would name this node just 'bridge', because it
> > > can be either DP or HDMI depending on the connector. But DT folks
> > > will know better than me.
> > This name should update too after DP and HDMI driver combined.
>
> Has nothing to do with a driver.
>
> > I will change to "mhdp: mhdp-bridge at 32c00000" in the next version.
>
> What is 'mhdp'? Doesn't sound generic. Use just 'bridge' or 'display-bridge'.
> We don't have a standard name defined in the DT spec (there's 'hdmi', but
> nothing that's protocol independent).
OK, thanks, will change to "mhdp: display-bridge at 32c00000".
B.R
Sandor
>
> Rob
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