lkml.org 
[lkml]   [2021]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFC PATCH 1/7] dt_bindings: Add protection limit properties
Date

On Fri, 2021-03-05 at 13:30 -0600, Rob Herring wrote:
> On Thu, Feb 11, 2021 at 02:34:17PM +0200, Matti Vaittinen wrote:
> > Support specifying protection/error/warning limits for regulator
> > over current, over temperature and over/under voltage.
> >
> > Most of the PMICs support only "protection" feature but few
> > setups do also support error/warning level indications.
> >
> > On many ICs most of the protection limits can't actually be set.
> > But for example the ampere limit for over-current protection on
> > ROHM
> > BD9576 can be configured - or feature can be completely disabled.
> >
> > Provide limit setting for all protections/errors for the sake of
> > the completeness and do that using own properties for all so that
> > not all users would need to set all levels when only one or few are
> > supported.
> >
> > Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> > ---
> > .../bindings/regulator/regulator.yaml | 82
> > +++++++++++++++++++
> > 1 file changed, 82 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/regulator/regulator.yaml
> > b/Documentation/devicetree/bindings/regulator/regulator.yaml
> > index 6d0bc9cd4040..47fff75f0554 100644
> > --- a/Documentation/devicetree/bindings/regulator/regulator.yaml
> > +++ b/Documentation/devicetree/bindings/regulator/regulator.yaml
> > @@ -117,6 +117,88 @@ properties:
> > description: Enable over current protection.
> > type: boolean
> >
> > + regulator-over-current-protection-microamp:
>
> Kind of long and 'current' is implied by 'microamp'. Perhaps
> regulator-oc-protection-microamp and similar.

I like this idea but...
regulator-over-current-protection:
description: Enable over current protection.
type: boolean

is an existing property so it kind of makes sense to me to name the
limit setting in a similar way. But I will change it as you suggested
as I don't think this is a big thing.

Br,
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 to Simon Glass for the translation =]

\
 
 \ /
  Last update: 2021-03-08 06:36    [W:0.076 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site