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From: Stephen Warren <swarren@wwwdotorg.org>
To: Vidya Sagar <vidyas@nvidia.com>
Cc: thierry.reding@gmail.com, ldewangan@nvidia.com,
	kthota@nvidia.com, linux-tegra@vger.kernel.org,
	linux@arm.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] ARM: tegra: Fix sd4 regulator in Jetson TK1 device tree
Date: Mon, 22 Sep 2014 13:06:06 -0600	[thread overview]
Message-ID: <5420731E.6040104@wwwdotorg.org> (raw)
In-Reply-To: <1411408675-32315-1-git-send-email-vidyas@nvidia.com>

On 09/22/2014 11:57 AM, Vidya Sagar wrote:
> sd4 is an always on regulator which is turned on at boot time.
> It is externally controller through gpio. This change
> reflects the same in Jetson TK1 device tree

In the schematics, the "Power Sequencing" timing diagram says "S/W 
controlled" for SD4/+1.05V_RUN. I also don't see an "ENABLE1" pin on the 
AS3722, which would be required for ...

> +					ams,ext-control = <1>;

... to be valid.

What's the source of information behind this change?

What symptoms does this patch correct?

  reply	other threads:[~2014-09-22 19:05 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-22 17:57 [PATCH v1] ARM: tegra: Fix sd4 regulator in Jetson TK1 device tree Vidya Sagar
2014-09-22 19:06 ` Stephen Warren [this message]
2014-09-29 10:25   ` Vidya Sagar
2014-09-29 15:45     ` Stephen Warren
2014-10-01 17:13       ` Vidya Sagar
2014-10-01 17:47         ` Stephen Warren
2014-10-06  8:49           ` Vidya Sagar
2014-10-06 15:34             ` Thierry Reding
2014-10-06 16:12               ` Vidya Sagar

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