On pon, 2014-11-03 at 15:40 +0100, Javier Martinez Canillas wrote: > Some regulators from the max77802 PMIC support to be configured in one > of two operating mode: Output ON (normal) and Output On Low Power Mode. > Not all regulators support these two modes and for some of them, the > mode can be changed while the system is running in normal operation > while others only support their mode to be changed on system suspend. > > Extend the max77802 PMIC bindin by documenting the possible operating > modes values so the regulators modes can be correctly configured. > > Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx> > --- > > Changes in v4: None > > Changes in v3: > - Use the standard suspend states bindings as suggested by Mark Brown. > > .../devicetree/bindings/regulator/max77802.txt | 33 ++++++++++++++++++++++ > 1 file changed, 33 insertions(+) > > diff --git a/Documentation/devicetree/bindings/regulator/max77802.txt b/Documentation/devicetree/bindings/regulator/max77802.txt > index 5aeaffc..1a78ec2 100644 > --- a/Documentation/devicetree/bindings/regulator/max77802.txt > +++ b/Documentation/devicetree/bindings/regulator/max77802.txt > @@ -25,6 +25,27 @@ with their hardware counterparts as follow. The valid names are: > example: LDO1, LDO2, LDO35. > -BUCKn : for BUCKs, where n can lie in range 1 to 10. > example: BUCK1, BUCK5, BUCK10. > + > +The max77802 regulator supports two different operating modes: Normal and Low > +Power Mode. Some regulators support the modes to be changed at startup or by > +the consumers during normal operation while others only support to change the > +mode during system suspend. The standard regulator suspend states binding can > +be used to configure the regulator operating mode. > + > +The regulators that support the standard "regulator-initial-mode" property, > +changing their mode during normal operation are: LDOs 1, 3, 20 and 21. > + > +The possible values for "regulator-initial-mode" and "regulator-mode" are: > + 1: Normal regulator voltage output mode. > + 3: Low Power which reduces the quiescent current down to only 1uA > + > +The list of valid modes are defined in the dt-bindings/regulator/regulator.h > +header and can be included by device tree source files. The more he looked inside, the more regulator.h wasn't there. Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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