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

Krzysztof Kozlowski <[email protected]>
Newsgroups org.kernel.vger.linux-renesas-soc,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <20260813-rich-responsible-ape-5fe69a@quoll>
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 <[email protected]>
> Reviewed-by: Sergey Shtylyov <[email protected]>
> ---
> * 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 <[email protected]>

Best regards,
Krzysztof
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.