Re: ARM: mx28: cpufreq-cpu0 support?

Stefan Wahren <[email protected]> Mon, 25 Aug 2014 12:30:25 +0200

Newsgroups	org.kernel.vger.cpufreq,org.infradead.lists.linux-arm-kernel
Message-ID	<[email protected]>

Am 25.08.2014 10:01, schrieb Shawn Guo:
> On Sun, Aug 24, 2014 at 11:47:43AM +0200, Stefan Wahren wrote:
>> Hi,
>>
>> could you please tell me, is i.MX28 supported by cpufreq-cpu0?
>>
>> Do we need only the necessary DT entries like operating points or is
>> it more?
>
> Clock might as simple as adding DT entries, but I'm not sure we have
> voltage scaling support for i.MX28 in kernel.
>
> Shawn
>

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.

Stefan