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Abhijeet Dharmapurikar
e8f838573e
The MDD (master droop detector) unit consumes around 300uA per core. It is required only when the LDO is being used by the cpu. It can be safely turned off while in BHS mode. This will save upto 1.2mA of rock bottom current. Note that if the cpu is entering retention mode, we turn on the MDD so the spm can turn on LDO safely when retention is activated. Since we have to call a out of band api to turn on/off MDD for a given core associate a cpu number with a krait regulator node. This helps us to get the necessary data structure quickly and access that core's registers to turn its MDD on/off. Change-Id: I03ab80bd979bef05c6c3d39f43788e6ec9f02510 Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>