On 1/12/2012 11:52 PM, Kevin Hilman wrote: > Richard Zhao<richard.zhao at freescale.com> writes: [...] >> Do you have real case to need different voltage/clk? > > Sure, any system with independently scalable CPUs/clusters. AFAIK, in the ARM SoC world there is a least the MSM8660 that does support that today. Regards, Benoit