[PATCH 03/23] ARM: dt: tegra30: iommu: Add "nvidia,memory-clients"
hdoyu at nvidia.com
Mon Jul 1 04:18:32 EDT 2013
Joseph Lo <josephl at nvidia.com> wrote @ Wed, 26 Jun 2013 13:04:06 +0200:
> On Wed, 2013-06-26 at 18:33 +0800, Hiroshi Doyu wrote:
> > Thierry Reding <thierry.reding at gmail.com> wrote @ Wed, 26 Jun 2013 12:10:30 +0200:
> > > * PGP Signed by an unknown key
> > >
> > > On Wed, Jun 26, 2013 at 12:28:06PM +0300, Hiroshi Doyu wrote:
> > > > Add "nvidia,memory-clients" to identify which swgroup ID a device
> > > > belongs to.
> > >
> > > Why not call the property "nvidia,swgid" instead? That seems a lot more
> > > intuitive.
> > Tegra powerdomain also needs this info. Joseph?
> Ah, yes. We need some kind of this information to know the relation in
> the power domain when we wants to power down it. But it didn't upstream
> yet and still in very early stage of the design. I believe you can
> ignore that and do the good design here for your usage. We can re-use
> the binding if it point to the same HW behind that.
Ok, at least, I'll move this "tegra-swgid.h" to under "include/dt-bindings/memory/".
This look to suite better than "include/dt-bindings/iommu/" since this
isn't specific to iommu but others needs from memory client POV.
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