Re: [PATCH 1/2] dt-bindings: usb: misc: Add microchip USB5807 HUB driver

[Mike Looijmans]

I'll fix the issues and send a v2. I'll add supply/regulators as well. 
Will take a few days though.

Thanks for the quick feedback, much appreciated.
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Met vriendelijke groet / kind regards,

Mike Looijmans
System Expert


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On 09-05-2023 10:02, Krzysztof Kozlowski wrote:
> On 09/05/2023 09:46, Mike Looijmans wrote:
> > The USB5807 is a 7-port USB 3.1 hub that can be configured by I2C.
> > This driver resets the chip, optionally allows D+/D- lines to be
> > swapped in the devicetree config, and then sends an ATTACH command to
> > put the device in operational mode.
> >
> > Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx>
> Subject: drop misc prefix.
> Subject: drop "driver", you are not adding driver here.
>
> > ---
> >
> >   .../devicetree/bindings/usb/usb5807.yaml      | 51 +++++++++++++++++++
> >   1 file changed, 51 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/usb/usb5807.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/usb/usb5807.yaml b/Documentation/devicetree/bindings/usb/usb5807.yaml
> > new file mode 100644
> > index 000000000000..06b94210c281
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/usb5807.yaml
> Filename like compatible.
>
> > @@ -0,0 +1,51 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/usb/usb5807.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Microchip USB 3.1 SuperSpeed Hub Controller
> > +
> > +maintainers:
> > +  - Mike Looijmans <mike.looijmans@xxxxxxxx>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - microchip,usb5807
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  reset-gpios:
> > +    description: |
> > +      Should specify the gpio for hub reset
> Drop description, obvious. maxItems instead. If you decide to add
> description, then keep it useful, e.g. mention active low.
>
>
> > +
> > +  swap-dx-lanes:
> > +    $ref: /schemas/types.yaml#/definitions/uint8-array
> > +    description: |
> Do not need '|' unless you need to preserve formatting.
>
> > +      Specifies the ports which will swap the differential-pair (D+/D-),
> > +      default is not-swapped.
> maxItems (and minItems if it differs)
>
> No supply? How does the hub gets power? I see at least two supplies in
> datasheet.
>
> > +
> > +additionalProperties: false
> > +
> > +required:
> > +  - compatible
> > +  - reg
> Best regards,
> Krzysztof

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Mike Looijmans