[PATCH 7/9] documentation: iommu: add description of ARM System MMU binding

[Will Deacon]

On Fri, Jun 21, 2013 at 02:55:08PM +0100, Joerg Roedel wrote:
> On Fri, Jun 21, 2013 at 10:57:29AM +0100, Will Deacon wrote:
> > This is a common driver that will support any IOMMUs compatible with v1 or
> > v2 of the ARM SMMU architecture. Currently, that includes SMMUs known
> > informatively as MMU-400, MMU-401 and MMU-500. I had a look at the other
> > IOMMU drivers in the kernel and they seem to be driving incompatible IOMMUs,
> > so I don't see how this driver can replace those.
> > 
> > However, we'll hopefully see ARM SMMU-compatible devices turning up soon (I
> > know of many SoCs in development that are looking at them).
> 
> That sounds great. So in the future there will be a single driver for
> most future SOCs. This is a real improvement over the current situation.
> 
> From NVidia is another driver with 'smmu' in its name, is that one also
> incompatible?

Yup. I even checked with Stephen Warren before I started my driver, just in
case :)

Will