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regulator: mp886x: Document MP8867 support

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MP8867 is an I2C-controlled adjustable voltage regulator made by
Monolithic Power Systems. The difference between MP8867 and MP8869
are:
1.If V_BOOT, the vref of MP8869 is fixed at 600mv while vref of MP8867
is determined by the I2C control.
2.For MP8867, when setting voltage, if the steps is within 5, we need
to manually set the GO_BIT to 0.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20200316223100.37805b22@xhacker
Signed-off-by: Mark Brown <broonie@kernel.org>
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Jisheng Zhang 2020-03-16 22:31:00 +08:00 committed by Mark Brown
parent 751ca3aa15
commit b11dec18e6
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6
Documentation/devicetree/bindings/regulator/mp886x.txt
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Monolithic Power Systems MP8869 voltage regulator
Monolithic Power Systems MP8867/MP8869 voltage regulator
Required properties:
- compatible: "mps,mp8869";
- compatible: Must be one of the following.
"mps,mp8867"
"mps,mp8869"
- reg: I2C slave address.
- enable-gpios: enable gpios.
- mps,fb-voltage-divider: An array of two integers containing the resistor