linux-kernel - Re: [PATCH v8 10/11] usb: common: add USB GPIO based connection detection driver

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Date:   Mon, 5 Aug 2019 12:10:40 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Biju Das <biju.das@...renesas.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>,
        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>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-usb <linux-usb@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v8 10/11] usb: common: add USB GPIO based connection
 detection driver

On Wed, Jul 24, 2019 at 10:51 AM Chunfeng Yun <chunfeng.yun@...iatek.com> wrote:

> Due to the requirement of usb-connector.txt binding, the old way
> using extcon to support USB Dual-Role switch is now deprecated
> when use Type-B connector.
> This patch introduces a driver of Type-B connector which typically
> uses an input GPIO to detect USB ID pin, and try to replace the
> function provided by extcon-usb-gpio driver
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> Tested-by: Nagarjuna Kristam <nkristam@...dia.com>
> ---
> v8 changes:

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij