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From: Tony Lindgren <tony@atomide.com>
To: Nishanth Menon <nm@ti.com>
Cc: l-o <linux-omap@vger.kernel.org>,
	l-a <linux-arm-kernel@lists.infradead.org>,
	Kevin <khilman@ti.com>, Koen Kooi <koen@beagleboard.org>,
	Aaro <aaro.koskinen@nokia.com>
Subject: Re: [PATCH v6.1 3/3] omap3: beaglexm: fix power on of DVI
Date: Tue, 11 Jan 2011 17:04:04 -0800	[thread overview]
Message-ID: <20110112010403.GB4957@atomide.com> (raw)
In-Reply-To: <1294791809-28069-1-git-send-email-nm@ti.com>

* Nishanth Menon <nm@ti.com> [110111 16:22]:
> From: Koen Kooi <koen@beagleboard.org>
> 
> TFP410 DVI chip is used to provide display out.
> This chip is controlled by 2 lines:
> LDO which supplies the power is controlled over gpio + 2
> and the enable of the chip itself is done over gpio + 1
> NOTE: the LDO is necessary for LED, serial blocks as well.
> 
> gpio + 1 was used to sense USB overcurrent in vanilla beagle.
> 
> Without this fix, the display would not function as the LDO
> remains shut down.

Thanks, applying.

Tony

WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6.1 3/3] omap3: beaglexm: fix power on of DVI
Date: Tue, 11 Jan 2011 17:04:04 -0800	[thread overview]
Message-ID: <20110112010403.GB4957@atomide.com> (raw)
In-Reply-To: <1294791809-28069-1-git-send-email-nm@ti.com>

* Nishanth Menon <nm@ti.com> [110111 16:22]:
> From: Koen Kooi <koen@beagleboard.org>
> 
> TFP410 DVI chip is used to provide display out.
> This chip is controlled by 2 lines:
> LDO which supplies the power is controlled over gpio + 2
> and the enable of the chip itself is done over gpio + 1
> NOTE: the LDO is necessary for LED, serial blocks as well.
> 
> gpio + 1 was used to sense USB overcurrent in vanilla beagle.
> 
> Without this fix, the display would not function as the LDO
> remains shut down.

Thanks, applying.

Tony

  reply	other threads:[~2011-01-12  1:04 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <[PATCH v5 0/3] OMAP3: beaglexm: GPIO fixes>
2011-01-12  0:23 ` [PATCH v6.1 3/3] omap3: beaglexm: fix power on of DVI Nishanth Menon
2011-01-12  0:23   ` Nishanth Menon
2011-01-12  1:04   ` Tony Lindgren [this message]
2011-01-12  1:04     ` Tony Lindgren

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