linux-kernel - Re: [PATCH next v11 03/11] dt-bindings: usb: add binding for USB GPIO based connection detection driver

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Date:   Mon, 02 Sep 2019 14:38:53 +0100
From:   Rob Herring <robh@...nel.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
CC:     Mark Rutland <mark.rutland@....com>,
        Chunfeng Yun <chunfeng.yun@...iatek.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>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.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>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nagarjuna Kristam <nkristam@...dia.com>
Subject: Re: [PATCH next v11 03/11] dt-bindings: usb: add binding for USB GPIO based connection detection driver

On Thu, 29 Aug 2019 17:22:30 +0800, Chunfeng Yun wrote:
> It's used to support dual role switch via GPIO when use Type-B
> receptacle, typically the USB ID pin is connected to an input
> GPIO, and also used to enable/disable device when the USB Vbus
> pin is connected to an input GPIO.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> ---
> v11 changes:
>  1. add Reviewed-by Linus
>  2. change compatible as "gpio-usb-b-connector", and remove label
>     in example suggested by Rob
> 
> v9~v10 no changes
> 
> v8 changes:
>  1. rename the title
>  2. change the compatible as "linux,usb-conn-gpio" instead of
>     "linux,typeb-conn-gpio"
> 
> v7 changes:
>  1. add description for device only mode
> 
> v6 changes:
>  1. remove status and port nodes in example
>  2. make vbus-supply as optional property
> 
> v5 changes:
>  1. treat type-B connector as child device of USB controller's, but not
>     as a separate virtual device, suggested by Rob
>  2. put connector's port node under connector node, suggested by Rob
> 
> v4 no changes
> 
> v3 changes:
>  1. treat type-B connector as a virtual device, but not child device of
>     USB controller's
> 
> v2 changes:
>   1. new patch to make binding clear suggested by Hans
> ---
>  .../devicetree/bindings/usb/usb-conn-gpio.txt | 30 +++++++++++++++++++
>  1 file changed, 30 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/usb-conn-gpio.txt
> 

Reviewed-by: Rob Herring <robh@...nel.org>