| Message ID | 1391506890-7335-3-git-send-email-thomas.ab@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Feb 4, 2014 at 3:41 AM, Thomas Abraham <ta.omasab@gmail.com> wrote: > From: Thomas Abraham <thomas.ab@samsung.com> > > Certain CPUs or devices can support optional boost operating modes. Add a new > binding to list OPPs to be additionally made available in boost operating modes. > > Cc: Nishanth Menon <nm@ti.com> > Cc: Lukasz Majewski <l.majewski@samsung.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Pawel Moll <pawel.moll@arm.com> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> > Cc: Kumar Gala <galak@codeaurora.org> > Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> > --- > Documentation/devicetree/bindings/power/opp.txt | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/devicetree/bindings/power/opp.txt b/Documentation/devicetree/bindings/power/opp.txt > index 74499e5..4df5cca 100644 > --- a/Documentation/devicetree/bindings/power/opp.txt > +++ b/Documentation/devicetree/bindings/power/opp.txt > @@ -10,6 +10,10 @@ Properties: > freq: clock frequency in kHz > vol: voltage in microvolt > > +Optional Properties: > +- boost-opp: Similar to "operating-points" property but usable only in > + optional boost operating modes. > + > Examples: > > cpu@0 { > @@ -22,4 +26,9 @@ cpu@0 { > 396000 950000 > 198000 850000 > >; > + boost-opp = < > + /* kHz uV */ > + 1500000 1350000 > + 1400000 1285000 > + >; This looks like an example of needing to add more properties to the OPP table. There are ongoing discussions on how to extend OPP table and map to C states. This should be part of that discussion. Rob
diff --git a/Documentation/devicetree/bindings/power/opp.txt b/Documentation/devicetree/bindings/power/opp.txt index 74499e5..4df5cca 100644 --- a/Documentation/devicetree/bindings/power/opp.txt +++ b/Documentation/devicetree/bindings/power/opp.txt @@ -10,6 +10,10 @@ Properties: freq: clock frequency in kHz vol: voltage in microvolt +Optional Properties: +- boost-opp: Similar to "operating-points" property but usable only in + optional boost operating modes. + Examples: cpu@0 { @@ -22,4 +26,9 @@ cpu@0 { 396000 950000 198000 850000 >; + boost-opp = < + /* kHz uV */ + 1500000 1350000 + 1400000 1285000 + >; };