Re: [PATCH 3/3] net: stmmac: dwmac-socfpga: Add mac-mode DT property support

[Maxime Chevallier <maxime.chevallier@bootlin.com>]

On 6/30/26 16:02, Andrew Lunn wrote:
> On Tue, Jun 30, 2026 at 06:31:08AM -0700, muhammad.nazim.amirul.nazle.asmade@altera.com wrote:
>> From: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@altera.com>
>>
>> Russell King's commit de696c63c1dc ("net: stmmac: socfpga: convert to
>> use phy_interface") replaced mac_interface with phy_interface in
>> socfpga_get_plat_phymode(), noting that no upstream DTS files set the
>> "mac-mode" property, making the two values identical.
>>
>> The Agilex5 SoCDK TSN Config2 board is an exception: its gmac1 TSN
>> port uses GMII internally in the MAC while the PHY-side interface is
>> RGMII, so mac-mode and phy-mode differ.
> 
> Maybe you need to represent the hardware block which magically
> converts GMII to RGMII in DT?

Yeah that's what we have on CycloneV, and we force the INTF_SEL to GMII if that
HW block is present. I wonder if there's the same on agileX5 ?

> 
> 	 Andrew