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Commit 543853de authored by Matthias Kaehlcke's avatar Matthias Kaehlcke Committed by Mark Brown
Browse files

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: default avatarMatthias Kaehlcke <mka@chromium.org>
Acked-by: default avatarLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2ea659a9

Documentation/devicetree/bindings/regulator/regulator.txt

+8 −0
Original line number Diff line number Diff line
@@ -24,6 +24,14 @@ Optional properties: 
- regulator-settling-time-us: Settling time, in microseconds, for voltage

  change if regulator have the constant time for any level 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-state-mem sub-root node for Suspend-to-RAM mode

  : suspend to memory, the device goes to sleep, but all data stored in memory,