Re: OMAP4430 power management support

2016-01-06 Thread Nishanth Menon
On 01/06/2016 08:22 AM, Frank Jenner wrote: > Hello, > > I am working on trying to enable power management features on a > product that was based on the OMAP4430 SoC and the mainline 3.14 > kernel. In particular, I am interested in enabling Smart Reflex/AVS > and frequency scaling (via cpufreq)

OMAP4430 power management support

2016-01-06 Thread Frank Jenner
Hello, I am working on trying to enable power management features on a product that was based on the OMAP4430 SoC and the mainline 3.14 kernel. In particular, I am interested in enabling Smart Reflex/AVS and frequency scaling (via cpufreq) functionality. I have attempted to use the following

Re: OMAP4430 power management support

2016-01-06 Thread Adam Ford
I dont' know if it helps, but I struggeled with this too. With my DM3730 (OMAP 3630), I had to enable Device Drivers->Adaptive Voltage Scaling Class Support which enables CONFIG_POWER_AVS, a requirement for POWER_AVS_OMAP. Once I did that, I was able to get AVS Class 3 working on my DM3730 using

Re: OMAP4430 power management support

2016-01-06 Thread Frank Jenner
On Wed, Jan 6, 2016 at 9:26 AM, Nishanth Menon wrote: > On 01/06/2016 08:22 AM, Frank Jenner wrote: >> Hello, >> >> I am working on trying to enable power management features on a >> product that was based on the OMAP4430 SoC and the mainline 3.14 >> kernel. In particular, I am

Re: OMAP4430 power management support

2016-01-06 Thread Nishanth Menon
On 01/06/2016 09:05 AM, Frank Jenner wrote: > On Wed, Jan 6, 2016 at 9:26 AM, Nishanth Menon wrote: >> On 01/06/2016 08:22 AM, Frank Jenner wrote: >>> Hello, >>> >>> I am working on trying to enable power management features on a >>> product that was based on the OMAP4430 SoC and the

Re: OMAP4430 power management support

2016-01-06 Thread Nishanth Menon
On 01/06/2016 10:02 AM, Adam Ford wrote: > I dont' know if it helps, but I struggeled with this too. > > With my DM3730 (OMAP 3630), I had to enable Device Drivers->Adaptive > Voltage Scaling Class Support which enables CONFIG_POWER_AVS, a > requirement for POWER_AVS_OMAP. > > Once I did that, I

Re: OMAP4430 power management support

2016-01-06 Thread Adam Ford
Any chance you can define what you mean by 'issues' and 'old'? Logic PD (my daytime employer) uses AVS 3 in their custom Linux distribution. If that's going to be a problem, I would like to notify some people there. adam On Wed, Jan 6, 2016 at 1:12 PM, Nishanth Menon

Re: OMAP4430 power management support

2016-01-06 Thread Nishanth Menon
On 01/06/2016 01:44 PM, Adam Ford wrote: > Any chance you can define what you mean by 'issues' and 'old'? > AVS class recommendation is AVS Class 1.5 for DM3730. If one does not follow the recommendation, then the result will be that some devices may not function OR fail in some unpredictable