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Date:   Sun, 31 Mar 2019 01:40:28 -0500
From:   Rob Herring <robh@...nel.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
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

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.

> +- 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
> 

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