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From: Linus Walleij <linus.walleij@linaro.org>
To: Laxman Dewangan <ldewangan@nvidia.com>, Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	Stephen Warren <swarren@wwwdotorg.org>,
	"thierry.reding@gmail.com" <thierry.reding@gmail.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexandre Courbot <gnurou@gmail.com>,
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Joe Perches <joe@perches.com>, Jon Hunter <jonathanh@nvidia.com>
Subject: Re: [PATCH V3 2/2] pinctrl: tegra: Add driver to configure voltage and power of io pads
Date: Thu, 24 Nov 2016 15:11:04 +0100	[thread overview]
Message-ID: <CACRpkdbp8_eR7PLoaX4AJbhcx_tYQjcS5U_hR3EU7b4dar3ckg@mail.gmail.com> (raw)
In-Reply-To: <583580AD.60803@nvidia.com>

On Wed, Nov 23, 2016 at 12:42 PM, Laxman Dewangan <ldewangan@nvidia.com> wrote:

> Here, we need the regulator handle which can support the other regulator
> APIs.
>
> In some of platforms, we do not use some of the io-pins and on this case, we
> do not connect the IO rail supply for these pins. So this is like a hardware
> optional.
>
> If the IO pins are used then it need to have the proper regulator handle.
> Missing regulator handle on DT will be like that IO pads are not used.

OK I buy that argument, unless Mark (Brown) has comments.

Yours,
Linus Walleij

  reply	other threads:[~2016-11-24 14:11 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-22 10:20 [PATCH V3 0/2] pinctrl: tegra: Add support for IO pad control Laxman Dewangan
2016-11-22 10:20 ` Laxman Dewangan
2016-11-22 10:20 ` [PATCH V3 1/2] pinctrl: tegra: Add DT binding for io pads control Laxman Dewangan
2016-11-22 10:20   ` Laxman Dewangan
     [not found] ` <1479810013-29894-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-11-22 10:20   ` [PATCH V3 2/2] pinctrl: tegra: Add driver to configure voltage and power of io pads Laxman Dewangan
2016-11-22 10:20     ` Laxman Dewangan
2016-11-22 12:58     ` Linus Walleij
     [not found]       ` <CACRpkdZK34QfbSBJvshfZekk5TJBU5sZog-9uszLSmFPOGJgiw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-11-23 11:42         ` Laxman Dewangan
2016-11-23 11:42           ` Laxman Dewangan
2016-11-24 14:11           ` Linus Walleij [this message]
2016-11-24 14:19             ` Laxman Dewangan

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