linux-kernel - Re: [PATCH v4 2/2] dt: power: st: Provide bindings for ST's OPPs

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Date:	Tue, 28 Jul 2015 09:30:41 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	rob.herring@...aro.org, nm@...com, arnd.bergmann@...aro.org,
	sboyd@...eaurora.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, kernel@...inux.com,
	rjw@...ysocki.net, linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org, ajitpal.singh@...com, sre@...nel.org,
	dbaryshkov@...il.com
Subject: Re: [PATCH v4 2/2] dt: power: st: Provide bindings for ST's OPPs

On Tue, 28 Jul 2015, Viresh Kumar wrote:

> On 28-07-15, 08:34, Lee Jones wrote:
> > I disagree.  For one, only 'opp-hz' is defined in ./opp.tx.  Secondly
> 
> There are other properties in op.txt like turbo, opp-suspend, latency,
> etc.. which can be useful for your platform to. Its not used for now
> is a different thing.
> 
> > it would be annoying to have to have to keep jumping between documents
> > to obtain the whole picture.  Finally, generic bindings are repeated
> > in platform/device specific documentation all the time.  Grep for
> > 'clocks' or 'regulator-* or 'interrupts' or 'reg' or 'clock-frequency'
> 
> Yeah, I agree. I am not against that. What I meant to say was that its
> an extension to opp-v2. So whatever is present in opp-v2 can be used
> by ST's driver, without mentioning that here as well.
> 
> > (which IMHO I think you should have used instead of 'opp-hz', but
> > that's by the by), or any number of other generic properties.
> 
> Hmm, probably yes. See I don't know everything :)
> 
> > > @Rob/Stephen: Please respond before it is late :)
> > 
> > No one knows this stuff better than you.  If you can't think of an
> > already existing binding that could suit to portray our 'cuts' and
> > 'substrate' information (with a similar way to support our "all cuts"
> > and "all substrates" options, then there probably isn't one. ;)
> 
> Oh, I wasn't saying that there is an existing binding for supporting
> your case. But if we want to move the cuts property to the generic
> bindings so that others can use it. :)

Okay, so what are we waiting for before you'd be prepared to Ack the
binding?

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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