Messages in this thread | | | From | "Vaittinen, Matti" <> | Subject | Re: [RFC PATCH 5/7] dt-bindings: regulator: bd9576 add FET ON-resistance for OCW | Date | Thu, 18 Feb 2021 06:15:36 +0000 |
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Morning Rob,
On Wed, 2021-02-17 at 15:34 -0600, Rob Herring wrote: > On Thu, Feb 11, 2021 at 02:35:41PM +0200, Matti Vaittinen wrote: > > 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> > > --- > > .../devicetree/bindings/regulator/rohm,bd9576-regulator.yaml | 5 > > +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git > > a/Documentation/devicetree/bindings/regulator/rohm,bd9576- > > regulator.yaml > > b/Documentation/devicetree/bindings/regulator/rohm,bd9576- > > regulator.yaml > > index b6515a0cee62..ad3f57e9cd9b 100644 > > --- a/Documentation/devicetree/bindings/regulator/rohm,bd9576- > > regulator.yaml > > +++ b/Documentation/devicetree/bindings/regulator/rohm,bd9576- > > regulator.yaml > > @@ -27,6 +27,11 @@ patternProperties: > > Properties for single regulator. > > $ref: "regulator.yaml#" > > > > + properties: > > + rohm,ocw-fet-ron-milliohms: > > We have '-ohms' and '-micro-ohms' already. Neither range works for > you?
Thanks for taking a look at this :)
I expect values to be magnitude of few hundred milliohms - which means micro-ohms should be usable. I'll try to still check this as I am far from being HW-expert. I probably can convert this to micro-ohms for v2.
Best Regards Matti Vaittinen
-- Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please. "non cogito me" dixit Rene Descarte, deinde evanescavit
(Thanks for the translation Simon)
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