From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
To: "Moffett,
Kyle D" <Kyle.D.Moffett-X8CqP27nNzzQT0dZR+AlfA@public.gmane.org>
Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Liam Girdwood <lrg-l0cyMroinI0@public.gmane.org>
Subject: Re: [REPOST RFC PATCH 0/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs
Date: Tue, 20 Dec 2011 14:38:58 +0000 [thread overview]
Message-ID: <20111220143857.GU2866@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <B187B965-8671-485E-9CAB-7CF3468D2ED6-X8CqP27nNzzQT0dZR+AlfA@public.gmane.org>
On Mon, Dec 19, 2011 at 07:53:06PM -0600, Moffett, Kyle D wrote:
> On Dec 19, 2011, at 20:38, Mark Brown wrote:
> > Well, it depends what you need to do. In the ST-Ericsson case what they
> > needed to do was collapse the core supplies for the CPU. But previously
> > you were talking about power domains, not whole system poweroff.
> > Usually a power domain is a subset of the full system power.
> Well, I have control of 3 separate power domains in the sense that
> there are 6 physically separate computers sharing a single supply,
> with 2 in each domain (and only 1 of the 6 controlling the shared
> supply).
OK, that's really not what people commonly understand by "power domain".
This is really only about system powerdown sequencing so a custom driver
is probably fine.
next prev parent reply other threads:[~2011-12-20 14:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-13 18:23 [REPOST RFC PATCH 0/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs Kyle Moffett
2011-12-13 18:23 ` [REPOST RFC PATCH 1/3] of_gpio: Extend of_gpio_count() to support other property names Kyle Moffett
2011-12-13 18:23 ` [REPOST RFC PATCH 2/3] of_gpio: Add new helpers for easily requesting lots of GPIOs Kyle Moffett
2012-01-04 18:49 ` Grant Likely
2011-12-13 18:23 ` [REPOST RFC PATCH 3/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs Kyle Moffett
2011-12-13 19:10 ` [REPOST RFC PATCH 0/3] " Rob Herring
2011-12-13 20:44 ` Moffett, Kyle D
2011-12-14 12:02 ` Mark Brown
[not found] ` <20111214120240.GC25088-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2011-12-14 20:34 ` Moffett, Kyle D
[not found] ` <E30C4693-0D31-4A9A-9E9D-0FC03C5F6B8A-X8CqP27nNzzQT0dZR+AlfA@public.gmane.org>
2011-12-17 9:20 ` Mark Brown
2011-12-19 16:56 ` Moffett, Kyle D
[not found] ` <D482A908-020C-43E0-ADFC-33AE213D7257-X8CqP27nNzzQT0dZR+AlfA@public.gmane.org>
2011-12-20 1:38 ` Mark Brown
[not found] ` <20111220013819.GV2860-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2011-12-20 1:53 ` Moffett, Kyle D
[not found] ` <B187B965-8671-485E-9CAB-7CF3468D2ED6-X8CqP27nNzzQT0dZR+AlfA@public.gmane.org>
2011-12-20 14:38 ` Mark Brown [this message]
2011-12-14 11:59 ` Mark Brown
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