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From: Matthias Kaehlcke <mka@chromium.org>
To: Harish Bandi <c-hbandi@codeaurora.org>
Cc: marcel@holtmann.org, johan.hedberg@gmail.com,
	linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org,
	hemantg@codeaurora.org, linux-arm-msm@vger.kernel.org,
	bgodavar@codeaurora.org, anubhavg@codeaurora.org,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org,
	linux-bluetooth-owner@vger.kernel.org
Subject: Re: [PATCH v3 2/2] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3998
Date: Wed, 27 Mar 2019 10:22:10 -0700	[thread overview]
Message-ID: <20190327172210.GD112750@google.com> (raw)
In-Reply-To: <6a57b6cfd92f982c5e00fc1db30e778e@codeaurora.org>

On Wed, Mar 27, 2019 at 03:53:58PM +0530, Harish Bandi wrote:
> Hi Matthias,
> 
> > > > > > You mentioned in an earlier version of the series that there are
> > > > > > multiple WCN3998 variants with different requirements for
> > > > > > voltage/current. This seems to suggests that multiple compatible
> > > > > > strings are needed to distinguish between them.
> > > > > >
> > > > > [Harish] -- for now we want to add WCN3998 support only, What i mean
> > > > > to say
> > > > > in my earlier
> > > > > explanation that. WCN3990 is base variant and on top of that we have
> > > > > variants like WCN3990,
> > > > > WCN3998 and WCN3998-0,WCN3998-1 like that..
> > > > > So I think wcn399x would make sense for this series.
> > > >
> > > > If the variants have relevant differences between them (like different
> > > > regulator requirements) I think you want unique names, rather than
> > > > 'wcn399x' (I was referring to comments/documentation with this
> > > > string).
> > > >
> > > > If there are variants wouldn't your first 'wcn3998' already be a
> > > > 'wcn3998-n'? If 'wcn3998' without suffix is used I think it needs to
> > > > be valid for all 'wcn3998-n' variants (it might be less
> > > > power-efficient though than using the variant specific compatible
> > > > string), otherwise things get confusing (a 'wcn3998-2' isn't a
> > > > 'wcn3998'?)
> > > >
> > > 
> > > 
> > >  [Harish] -- for now WCN3990 and WCN3998 only, also wcn3998-2 and
> > > wcn3998
> > > are same.
> > > So for now we are going to have only WCN3990 and WCN3998 for DT.
> > 
> > Since you brought up the different power requirements initially:
> > 
> > are your reasonably sure that future wcn3998-3, wcn3998-4, ... can
> > operate with the generic wcn3998 power settings?
> 
> [Harish] - yes with power settings of wcn3998, wcn3998-3 and wcn3998-4 ...
> also will work.

Thanks for the confirmation, in that case just using 'wcn3998' for now
sounds good to me.

      reply	other threads:[~2019-03-27 17:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-12 12:22 [PATCH v3 0/2] Enable Bluetooth functionality for wcn3998 Harish Bandi
2019-03-12 12:22 ` [PATCH v3 1/2] Bluetooth: hci_qca: Added support " Harish Bandi
2019-03-12 16:29   ` Matthias Kaehlcke
2019-03-13  6:22     ` c-hbandi
2019-03-12 12:22 ` [PATCH v3 2/2] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3998 Harish Bandi
2019-03-12 16:59   ` Matthias Kaehlcke
2019-03-13  6:30     ` c-hbandi
2019-03-14 18:56       ` Matthias Kaehlcke
2019-03-25 11:30         ` c-hbandi
2019-03-26 23:54           ` Matthias Kaehlcke
2019-03-27 10:23             ` Harish Bandi
2019-03-27 17:22               ` Matthias Kaehlcke [this message]

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