Status of 1GHz support on am37xx

[Mark A. Greer]

On Tue, Nov 26, 2013 at 09:49:27AM -0600, Nishanth Menon wrote:
> On 11/25/2013 05:35 PM, Tony Lindgren wrote:
> > * Mark A. Greer <mgreer at animalcreek.com> [131122 15:02]:
> >> Hello.
> >>
> >> I was wondering what that the status of 1GHz support for the am37xx is.
> >>
> >> It looks like smartreflex/avs and ABB drivers are there.  Do they need
> >> more work (e.g., DT support)?  What DT nodes and related support need
> >> to be added?
> >>
> >> What pieces are being worked on and which ones aren't?
> >> Is there an ETA for the pieces being worked on?
> > 
> > There are still various parts of twl4030 that are only working with
> > platform data, so at least those should be fixed now that we're moving
> > to DT only based booting for mach-omap2 for v3.14.
> > 
> 
> For 3630/DM3730 1GHz support the following needs to be done:
> a) clock nodes[1] without which cpufreq-cpu0 will never scale frequencies
> The following includes conversion to device tree enabled support.
> b) VC-vp regulator
> c) ABB dt nodes
> d) AVS class 1.5 support
> e) voltage regulator notifier around clock node for mpu so that avs
> and abb can be sequenced around voltage and frequency changes.
> 
> So, to answer your question, we are a little farther away beyond the
> first step of DT only boot to being able to exercise 1GHz properly.
> 
> [1] http://marc.info/?l=linux-omap&m=138545331825036&w=2

Thanks guys.