Messages in this thread | | | Subject | Re: [PATCH 1/2] PM / Domains: Introduce domain-performance-state binding | From | Stephen Boyd <> | Date | Mon, 28 Nov 2016 10:27:57 -0800 |
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On 11/23/2016 08:40 PM, Viresh Kumar wrote: > On 23-11-16, 18:03, Stephen Boyd wrote: >> On 11/23, Kevin Hilman wrote: >>> Vincent Guittot <vincent.guittot@linaro.org> writes: >>>> On 23 November 2016 at 16:51, Kevin Hilman <khilman@baylibre.com> wrote: >>>>> Then, at least for this use case, we're talking about voltage, not some >>>>> unspecified units. >> In some cases we actually know the voltage of the domain and >> would want to put some voltage mapping in DT. For example, level >> 1 is voltage 2V and level 2 is voltage 2.5V. > But even in these cases we wouldn't be using the voltage values within the > kernel as we will be giving only a performance state to the M3 core, right?
Nope. In these cases we need to set a certain voltage and we do that by requesting it via the M3 core.
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