On Wed, Jan 08, 2014 at 02:25:41PM +0000, Mark Rutland wrote: > On Tue, Dec 24, 2013 at 12:39:46AM +0000, Stephen Boyd wrote: > > The kpss acc binding describes the clock, reset, and power domain > > controller for a Krait CPU. > > > > Cc: <devicetree@xxxxxxxxxxxxxxx> > > Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt | 30 ++++++++++++++++++++++ > > 1 file changed, 30 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt > > > > diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt > > new file mode 100644 > > index 0000000..1333db9 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt > > @@ -0,0 +1,30 @@ > > +Krait Processor Sub-system (KPSS) Application Clock Controller (ACC) > > + > > +The KPSS ACC provides clock, power domain, and reset control to a Krait CPU. > > +There is one ACC register region per CPU within the KPSS remapped region as > > +well as an alias register region that remaps accesses to the ACC associated > > +with the CPU accessing the region. > > Is the mapping of ACC register to a specific processor well-defined? I > assume it's just in order of MPIDR.Aff0. > > To maintain our collective sanity in the face of possible future > implementations, do you have an idea as to whether this might need to be > extended in future for multiple clusters / reordered IDs and so on? > > I assume we'd just allocate a new compatible string if those get a > little crazy. Actually, I'm getting too hung-up on future-proofing. Assuming the mapping is well-defined for current implementations we can always add an additional property later if required. Acked-by: Mark Rutland <mark.rutland@xxxxxxx> Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
