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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>;
};

Note that the regulator-coupled-max-spread property does not have any
users yet, hence it's okay to change the binding.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dmitry Osipenko
2018-11-19 00:56:16 +03:00
committed by Mark Brown
parent fe06051dbf
commit a8d8ee437e
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/devicetree/bindings/regulator/regulator.txt
View File

@@ -79,8 +79,9 @@ 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