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References: <1373416455-30358-1-git-send-email-jwerner@chromium.org>
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Date: Wed, 10 Jul 2013 21:01:49 -0300
Message-ID: <CAOMZO5AfXnxcCjiXY6f0xE=yr-=7nkTY3KJO=xqx1KD3qAvoRQ@mail.gmail.com>
Subject: Re: [PATCH] usb: phy: samsung-usb2: Toggle HSIC GPIO from device tree
From: Fabio Estevam <festevam@gmail.com>
To: Julius Werner <jwerner@chromium.org>
Cc: balbi@ti.com, LKML <linux-kernel@vger.kernel.org>,
        linux-usb@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
        linux-samsung-soc@vger.kernel.org,
        Vivek Gautam <gautam.vivek@samsung.com>,
        Praveen Paneri <p.paneri@samsung.com>,
        Kukjin Kim <kgene.kim@samsung.com>,
        Tushar Behera <tushar.behera@linaro.org>,
        Doug Anderson <dianders@chromium.org>,
        Olof Johansson <olofj@chromium.org>,
        Vincent Palatin <vpalatin@chromium.org>,
        Philipp Zabel <p.zabel@pengutronix.de>
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Hi Julius,

On Wed, Jul 10, 2013 at 2:42 PM, Julius Werner <jwerner@chromium.org> wrote:
> Hi Felipe,
>
> This is intended to pull down a reset signal line, not to switch power
> to the device. I could implement that with the regulator framework
> too, but I think that would just be confusing and harder to understand
> without providing any benefit. It's really just a plain old GPIO.

It seems that the reset gpio driver from Phillip Zabel would help in this case:
http://permalink.gmane.org/gmane.linux.drivers.devicetree/36830
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