linux-kernel - Re: [PATCH v2 1/6] dt-bindings: connector: add optional properties for Type-B

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Date:   Sun, 31 Mar 2019 20:45:36 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Rob Herring <robh@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Li Jun <jun.li@....com>,
        "Badhri Jagan Sridharan" <badhri@...gle.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Min Guo <min.guo@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v2 1/6] dt-bindings: connector: add optional properties
 for Type-B

Hi Rob,
On Sun, 2019-03-31 at 01:40 -0500, Rob Herring wrote:
> On Fri, Mar 15, 2019 at 03:38:28PM +0800, Chunfeng Yun wrote:
> > Add id-gpios, vbus-gpios, vbus-supply and pinctrl properties for
> > usb-b-connector
> > 
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> > ---
> > v2 changes:
> >   1. describe more clear for vbus-gpios and vbus-supply suggested by Hans
> > ---
> >  .../devicetree/bindings/connector/usb-connector.txt      | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/connector/usb-connector.txt b/Documentation/devicetree/bindings/connector/usb-connector.txt
> > index a9a2f2fc44f2..1c4ed6c9afa8 100644
> > --- a/Documentation/devicetree/bindings/connector/usb-connector.txt
> > +++ b/Documentation/devicetree/bindings/connector/usb-connector.txt
> > @@ -17,6 +17,15 @@ Optional properties:
> >  - self-powered: Set this property if the usb device that has its own power
> >    source.
> >  
> > +Optional properties for usb-b-connector:
> > +- id-gpios: gpio for USB ID pin.
> > +- vbus-gpios: gpio for USB VBUS pin, used to detect presence of VBUS 5V.
> > +  see gpio/gpio.txt.
> 
> Please make it explicit that this is an input gpio. An output GPIO 
> controlling a Vbus regulator should be modelled as a regulator.
Ok, thanks

> 
> > +- vbus-supply: a phandle to the regulator for USB VBUS if needed.
> > +- pinctrl-names : a pinctrl state named "default" is optional
> > +- pinctrl-0 : pin control group
> > +  see pinctrl/pinctrl-bindings.txt
> > +
> >  Optional properties for usb-c-connector:
> >  - power-role: should be one of "source", "sink" or "dual"(DRP) if typec
> >    connector has power support.
> > -- 
> > 2.20.1
> > 
>