net: stmmac: eic7700: Use common RGMII delay handling

Describe the EIC7700 inherent TX delay through the common stmmac
platform data and let stmmac_pltfr_probe() adjust the PHY interface
mode.

Keep the existing programmable TX and RX delay configuration in the
EIC7700 glue driver.

Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260907-dwmac-ultrarisc-v2-3-9a39bf8db313@ultrarisc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jia Wang 2026-09-07 15:46:52 +08:00 • committed by Paolo Abeni
commit 345d78e309