Re: [PATCH 2/8] dt-bindings: embedded-controller: remove #address-cells and #size-cells from required

[Frank Li]

On Wed, Sep 30, 2026 at 11:59:47AM +0200, Krzysztof Kozlowski wrote:
> On Fri, Sep 25, 2026 at 12:37:51PM -0400, Frank.Li@xxxxxxxxxxx wrote:
> > From: Frank Li <Frank.Li@xxxxxxx>
> >
> > The "^fan-controller@[0-9a-f]+$" child node is optional, so it is not
>
> Why is it optional? Hardware can be fan-less? This should be the reason
> here.

binding doc said as

"refer to the board hardware user manuals to see what features are present"

fan-controller is one of features, which may not present at boards.

Frank

>
> Best regards,
> Krzysztof
>