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Change-Id: Ie56cbf4ade1bbdb5835851f3c09668c1e0941a2c
Signed-off-by: Colin Cross <ccross@android.com>
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The previous version of dvfs handled requirements between two
different voltage rails by using two sets of dvfs tables, one
for each rail. That method fails for vdd_aon, which must be
within 170 mV of vdd_core.
Instead, have each dvfs clock only set the voltage rail that
it directly depends on, and add a relationship system to the
voltage rails. When the voltage changes on one rail, it calls
update on all the rails that depend on it. The dependent rails
compare the new voltage of the original rail to their own
voltage, and update their own voltage as necessary.
Change-Id: I17b30a61c7c0c01e44702ab486238789abd47330
Signed-off-by: Colin Cross <ccross@android.com>
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This reverts commit f58886c359db3c5056fea2d1a41d297f19e9f585.
Change-Id: Ie88d8f79db9bf958fc3b9f261d74d031785161d0
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Change-Id: I0496cf37da3a20d697eb4f372c32d01d49352f98
Signed-off-by: Colin Cross <ccross@android.com>
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Change-Id: I9e3a3cc8c6c4424d7f7ded22d886d51f715ec5d5
Signed-off-by: Colin Cross <ccross@android.com>
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Get rid of dvfs_lock, replacing it with the cansleep flag on clocks.
Clocks with the cansleep flag set will lock a mutex before calling
into dvfs.
Also does the regulator api calls during late init, after the
regulators have been probed.
Signed-off-by: Colin Cross <ccross@android.com>
Change-Id: I5b8bd249bd4f3ae495f2076f1e6d2bfb38737f29
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New and improved dvfs:
Registered dynamically during init
Exports dvfs functions to control clocks that are not visible to
the clock subsystem
Supports multiple regulators per clock
Fix dvfs on disabled clocks
Adds /d/clock/dvfs to show current voltage requirements
Change-Id: I93794a7761dccc702566e8850bb79f344ff787a2
Signed-off-by: Colin Cross <ccross@android.com>
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