Re: [PATCH net-next v4 03/13] dt-bindings: net: cdns,macb: replace cdns,refclk-ext with cdns,refclk-source

[Rob Herring (Arm)]

On Wed, 18 Mar 2026 16:37:34 +0000, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> 
> Ryan added cdns,refclk-ext with the intent of decoupling the source of
> the reference clock on sama7g5 (and related platforms) from the
> compatible. Unfortunately, the default for sama7g5-emac is an external
> reference clock, so this property had no effect there, so that
> compatibility with older devicetrees is preserved.
> Replace cdns,refclk-ext with one that supports both default states and
> therefore is usable for sama7g5-emac.
> 
> For now, limit it to only the platforms that have USRIO controlled
> reference clock selection, but this could be generalised in the future.
> 
> The existing property only works on devices that are compatible with
> sama7g5-gem, so mark it deprecated, and limit its use to that specific
> scenario.
> 
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/cdns,macb.yaml    | 56 ++++++++++++++++++-
>  1 file changed, 53 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>