linux-kernel - Re: [PATCH v9 03/15] dt-bindings: usb: Maxim type-c controller device tree binding document

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Message-ID: <CAL_JsqLqs2qZqwmCOMgCeiGsw4Hj2xMAbRYqWCphH92+8T6qUg@mail.gmail.com>
Date:   Tue, 13 Oct 2020 08:43:44 -0500
From:   Rob Herring <robh@...nel.org>
To:     Badhri Jagan Sridharan <badhri@...gle.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lee Jones <lee.jones@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Thierry Reding <treding@...dia.com>,
        Prashant Malani <pmalani@...omium.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v9 03/15] dt-bindings: usb: Maxim type-c controller device
 tree binding document

On Wed, Oct 7, 2020 at 7:43 PM Badhri Jagan Sridharan <badhri@...gle.com> wrote:
>
> Hi Robb,
>
> Thanks for the reviews ! Responses inline.
>
> Regards,
> Badhri
>
> On Mon, Oct 5, 2020 at 7:46 AM Rob Herring <robh@...nel.org> wrote:
> >
> > On Mon, Sep 28, 2020 at 07:39:52PM -0700, Badhri Jagan Sridharan wrote:
> > > Add device tree binding document for Maxim TCPCI based Type-C chip driver
> > >
> > > Signed-off-by: Badhri Jagan Sridharan <badhri@...gle.com>
> > > ---
> > > Changes since v1:
> > > - Changing patch version to v6 to fix version number confusion.
> > >
> > > Changes since v6:
> > > - Migrated to yaml format.
> > >
> > > Changes since v7:
> > > - Rebase on usb-next
> > >
> > > Changes since v8:
> > > - Fix errors from make dt_binding_check as suggested by
> > >   Rob Herring.
> > > ---
> > >  .../devicetree/bindings/usb/maxim,tcpci.yaml  | 68 +++++++++++++++++++
> > >  1 file changed, 68 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/usb/maxim,tcpci.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/usb/maxim,tcpci.yaml b/Documentation/devicetree/bindings/usb/maxim,tcpci.yaml
> > > new file mode 100644
> > > index 000000000000..f4b5f1a09b98
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/usb/maxim,tcpci.yaml
> > > @@ -0,0 +1,68 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: "http://devicetree.org/schemas/usb/maxim,tcpci.yaml#"
> > > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> > > +
> > > +title: Maxim TCPCI Type-C PD controller DT bindings
> > > +
> > > +maintainers:
> > > +  - Badhri Jagan Sridharan <badhri@...gle.com>
> > > +
> > > +description: Maxim TCPCI Type-C PD controller
> > > +
> > > +properties:
> > > +  compatible:
> > > +    enum:
> > > +      - maxim,tcpci
> >
> > Is there a datasheet for this? Searching for 'tcpci' doesn't really come
> > up with anything other than this patch. Only chip I found is MAX77958.
> > Bindings are for specific h/w devices.
>
> Unfortunately the datasheet cannot be made public yet. Has the datasheet
> have to be made public before sending the bindings ?

No, but we need a part number or some assurance that 'tcpci' is a specific part.

Rob