On 23 May 2014 19:07, Thomas Abraham <[email protected]> wrote: > From: Thomas Abraham <[email protected]> > > Add a new optional boost-frequency binding for specifying the frequencies > usable in boost mode. > > Cc: Nishanth Menon <[email protected]> > Cc: Lukasz Majewski <[email protected]> > Cc: Rob Herring <[email protected]> > Cc: Pawel Moll <[email protected]> > Cc: Mark Rutland <[email protected]> > Cc: Ian Campbell <[email protected]> > Cc: Kumar Gala <[email protected]> > Signed-off-by: Thomas Abraham <[email protected]> > --- > .../devicetree/bindings/cpufreq/cpufreq-boost.txt | 38 > ++++++++++++++++++++ > 1 file changed, 38 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt > > diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt > b/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt > new file mode 100644 > index 0000000..63ed0fc > --- /dev/null > +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt > @@ -0,0 +1,38 @@ > +* Device tree binding for CPU boost frequency (aka over-clocking) > + > +Certain CPU's can be operated in optional 'boost' mode (or sometimes > referred as > +overclocking) in which the CPU can operate at frequencies which are not > +specified by the manufacturer as CPU's operating frequency. > + > +Optional Properties: > +- boost-frequencies: list of frequencies in KHz to be used only in boost > mode. > + This list should be a subset of frequencies listed in "operating-points" > + property. Refer to Documentation/devicetree/bindings/power/opp.txt for > + details about "operating-points" property. > + > +Example: > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a9"; > + reg = <0>; > + > + operating-points = < > + 1500000 1350000 > + 1400000 1287500 > + 1300000 1250000 > + 1200000 1187500 > + 1100000 1137500 > + 1000000 1087500 > + >; > + boost-frequencies = <1500000 1400000>; > + }; > + cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a9"; > + reg = <1>; > + }; > + };
Acked-by: Viresh Kumar <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
