From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 07/11] ARM: dts: sunxi: Add dtsi file for
 AXP809 PMIC
Date: Tue, 9 Feb 2016 11:32:04 +0000
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To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Liam Girdwood <lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Ian Campbell <ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>, Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>, devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, linux-arm-kernel <linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>, linux-kernel <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
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On Tue, Feb 09, 2016 at 01:41:37PM +0800, Chen-Yu Tsai wrote:
> On Tue, Feb 9, 2016 at 12:22 AM, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:

> > The whole point with constraints is that they describe what is safe on a
> > given board.  This includes powering off unused regulators - it should
> > be something that the system integrator configures, not something that
> > they get as default.

> OK. So how should one describe a regulator as unused? Just leave it out
> since it's not wired to anything? Or have an empty node at the board
> level? One of the regulators involved on my board is by (hardware)
> default on.

Like I say do it at the board level, you know it's not connected on that
board but another board may use it.
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