On Tue, Nov 29, 2016 at 7:36 AM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote: > Hi, > > Some platforms (like TI) have complex DVFS configuration for CPU > devices, where multiple regulators are required to be configured to > change DVFS state of the device. This was explained well by Nishanth > earlier [1]. > > One of the major complaints around multiple regulators case was that the > DT isn't responsible in any way to represent the order in which multiple > supplies need to be programmed, before or after a frequency change. It > was considered in this patch and such information is left for the > platform specific OPP driver now, which can register its own > opp_set_rate() callback with the OPP core and the OPP core will then > call it during DVFS. > > The patches are tested on Exynos5250 (Dual A15). I have hacked around DT > and code to pass values for multiple regulators and verified that they > are all properly read by the kernel (using debugfs interface). > > Dave Gerlach has already tested [2] it on the real TI platforms and it > works well for him. > > This is rebased over: linux-next branch in the PM tree. > > V4->V5: > - Stephen boyd had some minor review comments and gave his Reviewed-by > tag for the rest. Only 2 patches don't have his RBY tag. > - Individual patches contain the version history from V4 to V5. Cool. I'd still like to see that everyone agrees with patch [6/10] in particular. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
