Re: [Query] CPUFreq: Does these machines have separate clock domainsfor CPUs?

From: Sekhar Nori
Date: Thu Aug 29 2013 - 06:32:43 EST


On Thursday 29 August 2013 04:00 PM, Viresh Kumar wrote:
> On 29 August 2013 15:53, Sekhar Nori <nsekhar@xxxxxx> wrote:
>> On DaVinci (DA850), there is an async domain available to keep some
>> peripheral clocks insulated from cpu frequency changes. But there are a
>> bunch of other clocks which do get affected by CPU frequency change
>> (they need to run at a fixed ratio to CPU frequency).
>
> My question wasn't about how peripherals are getting clocks.. but how
> CPUs are getting them..
>
> Does all CPUs share clock line in Davinci? i.e. if we change freq of one
> cpu then freq of other one also gets changed?
>
> Or they are capable of running at different frequencies?

I get it now. All DaVinci devices are UP only.

Thanks,
Sekhar
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/