arm: tegra: PLLX LP/G ports switching ON/OFF
authorPrem Sasidharan <psasidharan@nvidia.com>
Thu, 5 Jul 2012 18:56:14 +0000 (11:56 -0700)
committerSimone Willett <swillett@nvidia.com>
Thu, 19 Jul 2012 21:48:09 +0000 (14:48 -0700)
commit94e947b829c7922cbc2c413db708232dfc7cc4e9
treeae443cd5367b9bd29fb27955951846cdd4f32025
parent11d6553a1fa3fe9e0665fe77dd1c2288fe796566
arm: tegra: PLLX LP/G ports switching ON/OFF

Enable target PLLX port(LP/G) before cluster switch and disable
the previous PLLX port(LP/G) after cluster switch is finished.
Seeing a power improvement of ~10mW when core operates at
max. voltage and max. frequency.

Bug 997358
Signed-off-by: Prem Sasidharan <psasidharan@nvidia.com>
Change-Id: I9d05245977f9f63a8f4c53b1c6797118d2d8b903
Reviewed-on: http://git-master/r/113399
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
arch/arm/mach-tegra/pm-t3.c