Re: [PATCH 12/13] cpufreq: Add cpufreq driver for Tegra124

Tuomas Tynkkynen
2014-07-11T15:11:48Z

On 11/07/14 17:57, Thierry Reding wrote:

>> I don't think that's going to work? The voltage scaling is handled in hw.
>
> Do we have to handle it in hardware or can we opt to do it in software,
> too?
>

With the PLLX, voltage scaling is done entirely in SW. With the DFLL,
it's possible to stay in open-loop mode and do it in SW, but there's
not much point in that.

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nvpublic