Re: [PATCH 07/11] ARM: dts: sunxi: Add dtsi file for AXP809 PMIC

From: Mark Brown
Date: Tue Feb 09 2016 - 06:32:30 EST


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@xxxxxxxxxx> 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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