[PATCH v3 2/2] Documentation: devicetree: Add boost-frequency binding to list boost mode frequency

Thomas Abraham ta.omasab at gmail.com
Wed May 14 06:17:44 PDT 2014


On Wed, May 14, 2014 at 7:32 AM, Nishanth Menon <nm at ti.com> wrote:
> On Tue, May 13, 2014 at 8:03 PM, Thomas Abraham <ta.omasab at gmail.com> wrote:
>> From: Thomas Abraham <thomas.ab at samsung.com>
>>
>> Add a new optional boost-frequency binding for specifying the frequencies
>> usable in boost mode.
>>
>> Cc: Nishanth Menon <nm at ti.com>
>> Cc: Lukasz Majewski <l.majewski at samsung.com>
>> Cc: Rob Herring <robh+dt at kernel.org>
>> Cc: Pawel Moll <pawel.moll at arm.com>
>> Cc: Mark Rutland <mark.rutland at arm.com>
>> Cc: Ian Campbell <ijc+devicetree at hellion.org.uk>
>> Cc: Kumar Gala <galak at codeaurora.org>
>> Signed-off-by: Thomas Abraham <thomas.ab at samsung.com>
>> ---
>>  .../devicetree/bindings/cpufreq/cpufreq-boost.txt  |   11 +++++++++++
>>  1 files changed, 11 insertions(+), 0 deletions(-)
>>  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..d925e38
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt
>> @@ -0,0 +1,11 @@
>> +* 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 in frequencies beyond the normal
>
> "operate at"?
>
>> +operating conditions.
>
> "normal operating conditions" probably need a little bit of an
> expansion here perhaps?
>
>> +
>> +Optional Properties:
>> +- boost-frequency: list of frequencies in KHz to be used only in boost mode.
>
> probably boost-frequencies?
>
>> +  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.
>
>
> an example is expected here.
>
> personally, I think I understand the intent here, but as a hardware
> description, will let folks comment if it is acceptable.

Thanks for your review Nishanth. I will do the changes you have suggested.

Regards,
Thomas.

>
> --
> Regards,
> Nishanth Menon



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