redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

regulator: DT: Add properties for asymmetric settling times 

Some regulators have different settling times for voltage increases and
decreases. Add DT properties to define separate settling times for up-
and downward voltage changes.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Matthias Kaehlcke 2017-05-16 11:43:42 -07:00 committed by Mark Brown
parent 2ea659a9ef
commit 543853de35
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Documentation/devicetree/bindings/regulator/regulator.txt
View File

@ -24,6 +24,14 @@ Optional properties:
- regulator-settling-time-us: Settling time, in microseconds, for voltage - regulator-settling-time-us: Settling time, in microseconds, for voltage
change if regulator have the constant time for any level voltage change. change if regulator have the constant time for any level voltage change.
This is useful when regulator have exponential voltage change. This is useful when regulator have exponential voltage change.
- regulator-settling-time-up-us: Settling time, in microseconds, for voltage
increase if the regulator needs a constant time to settle after voltage
increases of any level. This is useful for regulators with exponential
voltage changes.
- regulator-settling-time-down-us: Settling time, in microseconds, for voltage
decrease if the regulator needs a constant time to settle after voltage
decreases of any level. This is useful for regulators with exponential
voltage changes.
- regulator-soft-start: Enable soft start so that voltage ramps slowly - regulator-soft-start: Enable soft start so that voltage ramps slowly
- regulator-state-mem sub-root node for Suspend-to-RAM mode - regulator-state-mem sub-root node for Suspend-to-RAM mode
: suspend to memory, the device goes to sleep, but all data stored in memory, : suspend to memory, the device goes to sleep, but all data stored in memory,