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From: shawn.guo@linaro.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: dts: imx6qdl-sabresd: Add hog entry for GPIO4_10
Date: Mon, 17 Feb 2014 10:19:53 +0800	[thread overview]
Message-ID: <20140217021951.GE9879@S2101-09.ap.freescale.net> (raw)
In-Reply-To: <CAOMZO5AmsyyvoXsVoquu3mt3URbwJoqDi0gg93LJnaeMhJfGPw@mail.gmail.com>

On Sun, Feb 16, 2014 at 11:11:40PM -0300, Fabio Estevam wrote:
> On Sun, Feb 16, 2014 at 11:05 PM, Shawn Guo <shawn.guo@linaro.org> wrote:
> > On Thu, Feb 13, 2014 at 01:53:58PM -0200, Fabio Estevam wrote:
> >> GPIO4_10 is the GPIO used to turn on the regulator that powers up the codec.
> >>
> >> Add a hog entry for it.
> >
> > I'm going to be strict on hog pin use.  It does not sound like a true
> > hog pin.  Is it possible to have a pinctrl state for that regulator
> > setting this pin up?
> 
> Could you please explain when a pin should or should not be placed
> into the hog group?

The hog group is for those pins that do not belong to any particular
client device.  IOW, we should only put a pin into hog group when it
can not be put into any client device's pinctrl state.

Shawn

      reply	other threads:[~2014-02-17  2:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-13 15:53 [PATCH 1/2] ARM: dts: imx6qdl-sabresd: Add hog entry for GPIO4_10 Fabio Estevam
2014-02-13 15:53 ` [PATCH 2/2] ARM: dts: imx6qdl-sabresd: Provide min/max voltages for codec regulator Fabio Estevam
2014-02-17  2:13   ` Shawn Guo
2014-02-17  2:05 ` [PATCH 1/2] ARM: dts: imx6qdl-sabresd: Add hog entry for GPIO4_10 Shawn Guo
2014-02-17  2:11   ` Fabio Estevam
2014-02-17  2:19     ` Shawn Guo [this message]

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