[PATCH v2 1/2] dt-bindings: phy: Add PHY_TYPE_XAUI definition

Rob Herring (Arm) robh at kernel.org
Tue Jan 6 10:29:57 PST 2026


On Sun, 04 Jan 2026 17:14:17 +0530, Siddharth Vadapalli wrote:
> From: Swapnil Jakhade <sjakhade at cadence.com>
> 
> XAUI (eXtended Attachment Unit Interface) is a high-speed serial interface
> standard for 10 Gigabit Ethernet (10GbE). It uses four lanes with each
> lane operating at 3.125 Gbps (totaling 10 Gbps), to extend the XGMII
> interface across circuit boards, commonly used in backplanes for
> networking switches and high-performance computing. XAUI is defined as a
> standardized instantiation of XGMII Extender in the IEEE 802.3
> specification.
> 
> Add definition for XAUI PHY type.
> 
> Signed-off-by: Swapnil Jakhade <sjakhade at cadence.com>
> [s-vadapalli: added detailed description of XAUI in the commit message]
> Signed-off-by: Siddharth Vadapalli <s-vadapalli at ti.com>
> ---
> 
> v1 of this patch is at:
> https://lore.kernel.org/r/20251224054905.763399-2-s-vadapalli@ti.com/
> Changes since v1:
> - The commit message has been updated to provide a detailed description of
>   XAUI based on feedback from Krzysztof at:
>   https://lore.kernel.org/r/20251227-airborne-energetic-kingfisher-adc4fb@quoll/
> 
> Regards,
> Siddharth.
> 
>  include/dt-bindings/phy/phy.h | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring (Arm) <robh at kernel.org>




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