regulator: max77663: Add safe voltage scaling step
authorJin Park <jinyoungp@nvidia.com>
Mon, 10 Oct 2011 06:59:13 +0000 (15:59 +0900)
committerRohan Somvanshi <rsomvanshi@nvidia.com>
Tue, 11 Oct 2011 14:11:01 +0000 (07:11 -0700)
commitb685f87ea655919e0bf0efb3a1bdddf5d1a3abbb
tree29452e1e952d533c9870cceb256685629d79d46c
parentebe88906855200ce846059e80b722d1badced378
regulator: max77663: Add safe voltage scaling step

The MAX77663 PMU has under-shooting issue when voltage down scaling
on SD power rails until revision 3. So if revision is less than rev3,
set safe_down_uV for stable down scaling.

Change-Id: Idbfbd491218cd7dcb3f592efe656fac77de3fe7c
Signed-off-by: Jin Park <jinyoungp@nvidia.com>
Reviewed-on: http://git-master/r/56950
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
drivers/regulator/max77663-regulator.c