linux-kernel - Re: [PATCH V4 2/2] pinctrl: tegra: Add driver to configure voltage and power of io pads

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Message-ID: <583BF73F.7010407@nvidia.com>
Date:   Mon, 28 Nov 2016 14:52:07 +0530
From:   Laxman Dewangan <ldewangan@...dia.com>
To:     Jon Hunter <jonathanh@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <linus.walleij@...aro.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <swarren@...dotorg.org>,
        <gnurou@...il.com>, <joe@...ches.com>,
        <yamada.masahiro@...ionext.com>, <linux-gpio@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V4 2/2] pinctrl: tegra: Add driver to configure voltage
 and power of io pads


On Monday 28 November 2016 02:56 PM, Jon Hunter wrote:
> On 25/11/16 17:49, Laxman Dewangan wrote:
>>
>> In the above dpaux driver,  you used the pinctrl framework and its core
>> functionality for the device tree interfacing and client interfacing.
>>
>> The same thing I am saying here, we should not avoid the pinctrl
>> framework. The client driver will use the pinctrl framework for the IO
>> pad configurations, not direct PMC APIs.
> Exactly, so why are you saying that by moving the code into the PMC
> driver this will "need lots of DT processing for getting information
> from DT"? By moving the code, we are not suggesting we don't use the
> pinctrl framework, we are just suggesting we move the code. That's all.
>
>
OK, got it. My understanding  from suggestion was that to implement 
everything without using the pinctrl framework.

I dont see much issue to just move this to  drivers/soc/tegra folder
I hope rest of stuff will be same, registering it as subdev of the pmc 
and this io pad driver will be the platform driver.