Re: ARM: mx28: cpufreq-cpu0 support?
Fabio Estevam <[email protected]> Sat, 30 Aug 2014 14:07:53 -0300
| Newsgroups | org.kernel.vger.cpufreq,org.infradead.lists.linux-arm-kernel |
|---|---|
| Message-ID | <CAOMZO5CnuWJ9EaLUW8DYFU1Dzeh=92tux0zoUBKoW-L=VWZhhg@mail.gmail.com> |
On Sat, Aug 30, 2014 at 2:05 PM, Fabio Estevam <[email protected]> wrote: > Hi Stefan, > > On Mon, Aug 25, 2014 at 7:30 AM, Stefan Wahren <[email protected]> wrote: > >> As far as i know, the old Freescale BSP (2.6.35) contains a cpufreq driver >> for mxs, which never goes to mainline. So i'm not sure what would be the >> best way: porting the old driver or using cpufreq-cpu0. > > First step would be to port the PMU driver into mainline. I mean this regulator driver: http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/drivers/regulator/mxs-regulator.c?h=imx_2.6.35_maintain ,so that you can do the voltage scaling.