linux-kernel - Re: [PATCH v9 2/2] mfd: bd71837: Devicetree bindings for ROHM BD71837 PMIC

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Date:   Thu, 5 Jul 2018 14:51:43 +0300
From:   Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     mturquette@...libre.com, robh+dt@...nel.org, mark.rutland@....com,
        lgirdwood@...il.com, broonie@...nel.org, mazziesaccount@...il.com,
        arnd@...db.de, dmitry.torokhov@...il.com, sre@...nel.org,
        chenjh@...k-chips.com, andrew.smirnov@...il.com,
        linus.walleij@...aro.org, kstewart@...uxfoundation.org,
        heiko@...ech.de, gregkh@...uxfoundation.org, eballetbo@...il.com,
        sboyd@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-input@...r.kernel.org, mikko.mutanen@...rohmeurope.com,
        heikki.haikola@...rohmeurope.com
Subject: Re: [PATCH v9 2/2] mfd: bd71837: Devicetree bindings for ROHM
 BD71837 PMIC

On Thu, Jul 05, 2018 at 11:49:19AM +0100, Lee Jones wrote:
> On Thu, 05 Jul 2018, Matti Vaittinen wrote:
> > On Thu, Jul 05, 2018 at 10:24:44AM +0100, Lee Jones wrote:
> > > On Thu, 05 Jul 2018, Matti Vaittinen wrote:
> > > 
> > > > Document devicetree bindings for ROHM BD71837 PMIC MFD.
> > > > 
> > > > Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
> > > > Reviewed-by: Rob Herring <robh@...nel.org>
> > > > ---
> > > >  .../devicetree/bindings/mfd/rohm,bd71837-pmic.txt  | 67 ++++++++++++++++++++++
> > > >  1 file changed, 67 insertions(+)
> > > >  create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt
> > > > +		clock-names = "my-clock";
> > > > +		clocks = <&pmic>;
> > > > +	};
> > > 
> > > Do you have a real example to give?
> > 
> > For clock consumer? Sorry, no I don't.
> 
> Might be better to drop it for the time being then.

I have tested the clk driver using this dummy consumer. So in a sense it
"works" and can be used as an example on how to write a real clock
consumer node. Thus I see some value in this example node - even if it
does not match to any real world HW. If I had to use the clk from this
PMIC and write HW description I would appreciate this dummy exaple. I
can drop it if you insist - but I would at least like to hear what is
the downside on having it here?

Best regards,
    Matti Vaittinen