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@xxxxxxxxxxxxxxx> [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. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
