On Thu, 09 Dec 2021 17:35:57 +0100, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > On NVIDIA SoC's the ARM SMMU needs to interact with the memory > controller in order to map memory clients to the corresponding stream > IDs. Document how the nvidia,memory-controller property can be used to > achieve this. > > Note that this is a backwards-incompatible change that is, however, > necessary to ensure correctness. Without the new property, most of the > devices would still work but it is not guaranteed that all will. > > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > Changes in v2: > - clarify why the new nvidia,memory-controller property is required > > .../devicetree/bindings/iommu/arm,smmu.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>