netdev - Re: [PATCH 1/2] dt-bindings: net: broadcom-bluetooth: Add CYW43439 DT binding

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Date: Sun, 17 Mar 2024 15:03:28 +0000
From: Conor Dooley <conor@...nel.org>
To: Marek Vasut <marex@...x.de>
Cc: linux-bluetooth@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Conor Dooley <conor+dt@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>,
	Marcel Holtmann <marcel@...tmann.org>,
	Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: net: broadcom-bluetooth: Add CYW43439
 DT binding

On Sat, Mar 09, 2024 at 04:15:12AM +0100, Marek Vasut wrote:
> CYW43439 is a Wi-Fi + Bluetooth combo device from Infineon.
> The Bluetooth part is capable of Bluetooth 5.2 BR/EDR/LE .
> This chip is present e.g. on muRata 1YN module. Extend the
> binding with its DT compatible.

How come there's no fallback here? Looking at the binding patch there's
no device-specific handling done, what's incompatibly different between
this device and some of the other ones supported by the hci_bcm driver?

> 
> Signed-off-by: Marek Vasut <marex@...x.de>
> ---
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Luiz Augusto von Dentz <luiz.dentz@...il.com>
> Cc: Marcel Holtmann <marcel@...tmann.org>
> Cc: Paolo Abeni <pabeni@...hat.com>
> Cc: Rob Herring <robh@...nel.org>
> Cc: devicetree@...r.kernel.org
> Cc: linux-bluetooth@...r.kernel.org
> Cc: netdev@...r.kernel.org
> ---
>  Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml b/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
> index cc70b00c6ce57..670bff0078ed7 100644
> --- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
> +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
> @@ -27,6 +27,7 @@ properties:
>        - brcm,bcm4335a0
>        - brcm,bcm4349-bt
>        - cypress,cyw4373a0-bt
> +      - infineon,cyw43439-bt
>        - infineon,cyw55572-bt
>  
>    shutdown-gpios:
> -- 
> 2.43.0
> 

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