linux-kernel - Re: [PATCH] usb: phy: samsung-usb2: Toggle HSIC GPIO from device tree

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Date:	Tue, 13 Aug 2013 14:11:27 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	balbi@...com
Cc:	Julius Werner <jwerner@...omium.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-usb@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Vivek Gautam <gautam.vivek@...sung.com>,
	Praveen Paneri <p.paneri@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olofj@...omium.org>,
	Vincent Palatin <vpalatin@...omium.org>
Subject: Re: [PATCH] usb: phy: samsung-usb2: Toggle HSIC GPIO from device tree

On 12 July 2013 12:27, Felipe Balbi <balbi@...com> wrote:
> Hi,
>
> On Wed, Jul 10, 2013 at 10:42:27AM -0700, Julius Werner 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.
>
> alright, in that case how about using drivers/reset/ ?
>

IIUC, reset-gpio driver only provides APIs for reset controls (reset,
assert, deassert). We still need to find out the location from where
we would be calling the reset function.

-- 
Tushar Behera
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