netdev - Re: [PATCH v2 1/1] dt-bindings: net: rfkill-gpio: document reset-gpios

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Date: Tue, 28 May 2024 16:36:02 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Chukun Pan <amadeus@....edu.cn>, Philipp Zabel <p.zabel@...gutronix.de>,
 Johannes Berg <johannes@...solutions.net>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>,
 devicetree@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 1/1] dt-bindings: net: rfkill-gpio: document
 reset-gpios

On 28/05/2024 16:30, Chukun Pan wrote:
> Some 5G WWAN modems have multiple gpio controls. When using rfkill command

Which ones? Can we see the dastasheet or schematics? People claim
various things (like device reset-gpios being part of controller...).

> to manage it, we need to at least change the status of reset and shutdown
> gpios at the same time. Also, it might be incorrect to put the reset gpio
> at usb when the module is connected via USB M2 slot, there may be other
> devices connected under some USB node, but the reset gpio is only used for
> the WWAN module. So document the reset-gpios to rfkill-gpio as an optional
> property and add it to a new example.
> 
> For example:
>   - reset: modem Reset#


Best regards,
Krzysztof