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Date:   Tue, 9 Apr 2019 17:38:20 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Rob Herring <robh@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Input <linux-input@...r.kernel.org>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v8 02/11] dt-bindings: power: supply: add DT bindings for max77650

wt., 9 kwi 2019 o 13:04 Bartosz Golaszewski <brgl@...ev.pl> napisał(a):
>
> wt., 9 kwi 2019 o 03:10 Rob Herring <robh@...nel.org> napisał(a):
> >
> > On Mon, Apr 8, 2019 at 7:25 AM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> > >
> > > sob., 6 kwi 2019 o 09:07 Rob Herring <robh@...nel.org> napisał(a):
> > > >
> > > > On Wed, Apr 03, 2019 at 11:00:59AM +0200, Bartosz Golaszewski wrote:
> > > > > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> > > > >
> > > > > Add the DT binding document for the battery charger module of max77650.
> > > > >
> > > > > Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> > > > > ---
> > > > >  .../power/supply/max77650-charger.txt         | 27 +++++++++++++++++++
> > > > >  1 file changed, 27 insertions(+)
> > > > >  create mode 100644 Documentation/devicetree/bindings/power/supply/max77650-charger.txt
> > > > >
> > > > > diff --git a/Documentation/devicetree/bindings/power/supply/max77650-charger.txt b/Documentation/devicetree/bindings/power/supply/max77650-charger.txt
> > > > > new file mode 100644
> > > > > index 000000000000..fef188144386
> > > > > --- /dev/null
> > > > > +++ b/Documentation/devicetree/bindings/power/supply/max77650-charger.txt
> > > > > @@ -0,0 +1,27 @@
> > > > > +Battery charger driver for MAX77650 PMIC from Maxim Integrated.
> > > > > +
> > > > > +This module is part of the MAX77650 MFD device. For more details
> > > > > +see Documentation/devicetree/bindings/mfd/max77650.txt.
> > > > > +
> > > > > +The charger is represented as a sub-node of the PMIC node on the device tree.
> > > > > +
> > > > > +Required properties:
> > > > > +--------------------
> > > > > +- compatible:                Must be "maxim,max77650-charger"
> > > > > +
> > > > > +Optional properties:
> > > > > +--------------------
> > > > > +- min-microvolt:     Minimum CHGIN regulation voltage (in microvolts). Must be
> > > > > +                     one of: 4000000, 4100000, 4200000, 4300000, 4400000,
> > > > > +                     4500000, 4600000, 4700000.
> > > > > +- current-limit-microamp:    CHGIN input current limit (in microamps). Must
> > > > > +                             be one of: 95000, 190000, 285000, 380000, 475000.
> > > >
> > > > To repeat what I said on v6, these should be common properties IMO (and
> > > > therefore documented as such).
> > > >
> > >
> > > Do you mean a separate "charger.txt" document in
> > > Documentation/devicetree/bindings/power/supply/?
> >
> > Yes, though I thought we had something already.
> >
> > Rob
>
> We don't AFAICT. There's only a binding document for "simple-battery"
> in power supply.
>
> Bart

Can we have it locally for now but without the maxim prefix and then
reuse it if any other charger needs such functionality? To make it
even more generic we can name it: "input-voltage-min-microvolt" &
"input-current-limit-microamp".

Bart

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