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regulator: Change regulator-coupled-max-spread property

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Redefine binding for regulator-coupled-max-spread property in a way that
max-spread values are defined per regulator couple instead of defining
single max-spread for the whole group of coupled regulators.

With that change the following regulators coupling configuration will be
possible:

regA: regulatorA {
	regulator-coupled-with = <&regB &regC>;
	regulator-coupled-max-spread = <100000 300000>;
};

regB: regulatorB {
	regulator-coupled-with = <&regA &regC>;
	regulator-coupled-max-spread = <100000 200000>;
};

regC: regulatorC {
	regulator-coupled-with = <&regA &regB>;
	regulator-coupled-max-spread = <300000 200000>;
};

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dmitry Osipenko 2018-10-05 18:36:32 +03:00 committed by Mark Brown
parent 79d6f049f4
commit d3b687c58a
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1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/regulator/regulator.txt
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@ -76,8 +76,9 @@ Optional properties:
- regulator-coupled-with: Regulators with which the regulator
is coupled. The linkage is 2-way - all coupled regulators should be linked
with each other. A regulator should not be coupled with its supplier.
- regulator-coupled-max-spread: Max spread between voltages of coupled regulators
in microvolts.
- regulator-coupled-max-spread: Array of maximum spread between voltages of
coupled regulators in microvolts, each value in the array relates to the
corresponding couple specified by the regulator-coupled-with property.
Deprecated properties:
- regulator-compatible: If a regulator chip contains multiple