Re: [PATCH net-next v2 09/10] dt-bindings: net: renesas,etheravb: Add optional gPTP phandle for Gen4

[Krzysztof Kozlowski <krzk@kernel.org>]

On Tue, Aug 11, 2026 at 06:01:59PM +0200, Niklas Söderlund wrote:
> The RAVB module on Gen4 have no gPTP clock as part of the RAVB module
> itself, instead it relies on an external system wide gPTP clock. The
> gPTP clock is shared with RTSN on V4H and RSWITCH on S4.
> 
> Add an optional phandle so that the RAVB driver can find and use the
> gPTP clock. Ideally this should have been a mandatory property but for
> backward compatible it is optional. The RAVB module is capable of
> functioning without it, but can in such cases not provided PTP
> functionality.
> 
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
> Reviewed-by: Sergey Shtylyov <sergei.shtylyov@gmail.com>
> ---
> * Changes since v1
> - Use generic ptp-timer property instead of vendor specific one.
> - Improve spelling in commit message.
> ---
>  .../devicetree/bindings/net/renesas,etheravb.yaml     | 11 +++++++++++
>  1 file changed, 11 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof