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regulator: bd9576 add FET ON-resistance for OCW

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BD9576MUF provides over-current protection and detection. Current is
measured as voltage loss over external FET. Allow specifying FET's on
resistance so current monitoring limits can be converted to voltages.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/e5feb160d7e09f33fff5b88f1928c66a15c6680f.1622628334.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Matti Vaittinen 2021-06-03 08:42:30 +03:00 committed by Mark Brown
parent 89a6a5e56c
commit 627793e4ca
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1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml
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@ -27,6 +27,12 @@ patternProperties:
Properties for single regulator.
$ref: "regulator.yaml#"
properties:
rohm,ocw-fet-ron-micro-ohms:
description: |
External FET's ON-resistance. Required if VoutS1 OCP/OCW is
to be set.
required:
- regulator-name