Re: [PATCH v4 2/6] dt-bindings: PCI: Add bindings for Brcmstb endpoint device voltage regulators

From: Mark Brown
Date: Thu Apr 08 2021 - 12:34:09 EST


On Thu, Apr 08, 2021 at 11:20:16AM -0500, Rob Herring wrote:
> On Tue, Apr 06, 2021 at 02:25:49PM -0400, Jim Quinlan wrote:
> > On Tue, Apr 6, 2021 at 1:32 PM Mark Brown <broonie@xxxxxxxxxx> wrote:

> > > > On Tue, Apr 6, 2021 at 12:47 PM Mark Brown <broonie@xxxxxxxxxx> wrote:

> > > > > No great problem with having these in the controller node (assming it
> > > > > accurately describes the hardware) but I do think we ought to also be
> > > > > able to describe these per slot.

> PCIe is effectively point to point, so there's only 1 slot unless
> there's a PCIe switch in the middle. If that's the case, then it's all
> more complicated.

So even for PCIe that case exists, and it's not entirely clear to me
that this is all definitively PCIe specific.

> > o After some deliberation, RobH preferred that the voltage regulators
> > should go into the PCIe subnode device's DT node.

> IIRC, that's because you said there isn't a standard slot.

I recall some message in the thread that said both cases exist even with
this specific system.

Attachment: signature.asc
Description: PGP signature