Re: [PATCH v5 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings.

From: Laurent Pinchart
Date: Sun Feb 16 2020 - 10:31:54 EST


Hi Yuti,

On Sun, Feb 16, 2020 at 05:28:40PM +0200, Laurent Pinchart wrote:
> On Thu, Feb 13, 2020 at 11:16:51AM +0200, Tomi Valkeinen wrote:
> > On 12/02/2020 06:26, Yuti Amonkar wrote:
> > > Document the bindings used for the Cadence MHDP DPI/DP bridge in
> > > yaml format.
> > >
> > > Signed-off-by: Yuti Amonkar <yamonkar@xxxxxxxxxxx>
> > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> > > ---
> > > .../bindings/display/bridge/cdns,mhdp.yaml | 125 ++++++++++++++++++
> > > 1 file changed, 125 insertions(+)
> > > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
> > > new file mode 100644
> > > index 000000000000..e7f84ed1d2da
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
> > > @@ -0,0 +1,125 @@
> > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp.yaml#";
> > > +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> > > +
> > > +title: Cadence MHDP bridge
> > > +
> > > +maintainers:
> > > + - Swapnil Jakhade <sjakhade@xxxxxxxxxxx>
> > > + - Yuti Amonkar <yamonkar@xxxxxxxxxxx>
> > > +
> > > +properties:
> > > + compatible:
> > > + enum:
> > > + - cdns,mhdp8546
> > > + - ti,j721e-mhdp8546
> > > +
> > > + reg:
> > > + minItems: 1
> > > + maxItems: 2
> > > + items:
> > > + - description:
> > > + Register block of mhdptx apb registers upto PHY mapped area(AUX_CONFIG_P).
> >
> > "up to". Add space before (.
> >
> > > + The AUX and PMA registers are mapped to associated phy driver.
>
> I wouldn't mention driver here, as that's a software concept unrelated
> to DT bindings. You could write "The AUX and PMA registers are not part
> of this range, they are instead included in the associated PHY.".
>
> > > + - description:
> > > + Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs.
> > > +
> > > + reg-names:
> > > + minItems: 1
> > > + maxItems: 2
> > > + items:
> > > + - const: mhdptx
> > > + - const: j721e-intg
> > > +
> > > + clocks:
> > > + maxItems: 1
> > > + description:
> > > + DP bridge clock, it's used by the IP to know how to translate a number of
>
> s/it's //
>
> > > + clock cycles into a time (which is used to comply with DP standard timings
> > > + and delays).
> > > +
> > > + phys:
> > > + description: Phandle to the DisplyPort phy.
> >
> > "Display"
>
> And s/Phandle/phandle/, and s/phy/PHY/.
>
> Shouldn't this bridge also have port nodes ?

Oops, sorry, I missed that Tomi's reply has removed part of the original
patch. Please disregard this last comment, I'll reply to the original.

--
Regards,

Laurent Pinchart