netdev - Re: [PATCH 1/2] dt-bindings: bluetooth: broadcom: Add BCM4349B1 DT binding

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Message-ID: <80306a31-462c-4ce3-5c54-c0f74ad828f8@pengutronix.de>
Date:   Mon, 23 May 2022 00:16:18 +0200
From:   Ahmad Fatoum <a.fatoum@...gutronix.de>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: bluetooth: broadcom: Add BCM4349B1 DT
 binding

On 22.05.22 23:03, Linus Walleij wrote:
> On Sat, May 21, 2022 at 10:07 PM Ahmad Fatoum <a.fatoum@...gutronix.de> wrote:
> 
>> The BCM4349B1 chip is a single-chip Bluetooth 5.0 controller and
>> Transceiver. It is contained in the CYW/BCM89359 WiFi+BT package.
> 
> So the BT and the package have two different names.

The package also goes by the name BCM4349B1 apparently.
Cypress support had later confirmed BCM4349B1 and BCM89359 to
be the same chipset. I should probably rephrase the commit message.


>> +      - brcm,bcm4349-bt
> 
> Then why do you have to tag on "-bt" on this compatible?
> 
> That is typically used when the wifi and bt has the *same* name, so
> the only way to distinguish between them is a suffix.
I think that's the case here too.

Cheers,
Ahmad

> 
> Yours,
> Linus Walleij
> 


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