[PATCH v4 4/7] cpufreq: add clk-reg cpufreq driver
richard.zhao at linaro.org
Sat Dec 24 03:55:42 EST 2011
On Fri, Dec 23, 2011 at 01:18:51PM +0000, Mark Brown wrote:
> On Thu, Dec 22, 2011 at 03:09:10PM +0800, Richard Zhao wrote:
> > The driver get cpu operation point table from device tree cpu0 node,
> > and adjusts operating points using clk and regulator APIs.
> Reviewed-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
> but one nit:
> > +Required properties in /cpus/cpu at 0:
> > +- cpu-freqs : cpu frequency points it support, in unit of Hz.
> > +- cpu-volts : cpu voltages required by the frequency point at the same index,
> > + in unit of uV.
> > +- trans-latency : transition_latency, in unit of ns.
> trans-latency should really say what latency is being measured (the CPU
> core only or the whole operation).
dts only descibe hw info. so the transition latency is for hw.
- trans-latency : transition latency of HW, in unit of ns.
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