From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Vidya Sagar <vidyas-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
kthota-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.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-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
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?
WARNING: multiple messages have this Message-ID (diff)
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?
next prev parent reply other threads:[~2014-09-22 19:06 UTC|newest]
Thread overview: 15+ 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 17:57 ` Vidya Sagar
[not found] ` <1411408675-32315-1-git-send-email-vidyas-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-09-22 19:06 ` Stephen Warren [this message]
2014-09-22 19:06 ` Stephen Warren
2014-09-29 10:25 ` Vidya Sagar
[not found] ` <1862760b05184b95948b5e4952db010d-7W72rfoJkVnYuxH7O460wFaTQe2KTcn/@public.gmane.org>
2014-09-29 15:45 ` Stephen Warren
2014-09-29 15:45 ` Stephen Warren
[not found] ` <54297E7E.1030306-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-10-01 17:13 ` Vidya Sagar
2014-10-01 17:13 ` Vidya Sagar
[not found] ` <96955607a8414f75bb4110ebef5daa37-7W72rfoJkVnYuxH7O460wFaTQe2KTcn/@public.gmane.org>
2014-10-01 17:47 ` Stephen Warren
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
2014-10-06 16:12 ` Vidya Sagar
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