[PATCH 11/11] ARM: tegra: pcie: Add device tree support

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Mar 12 10:23:40 EDT 2012


On Mon, Mar 12, 2012 at 03:17:05PM +0100, Thierry Reding wrote:

> My understanding of the fixed regulator was that it was meant to be used for
> fixed voltage supplies that can still be enabled or disabled (for example as
> supplied by a GPIO) but not regulators that are fix in the sense that they
> cannot be enabled or disabled at all but are always on.

No, not at all.  It's for any random supply that doesn't have much
meaningful control - as you'll see from the code the GPIO is totally
optional if you look at the git history you'll see that the GPIO was
added some time after the driver was originally merged.

> Is that how it is supposed to work?

Yes.
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