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Inochi Amaoto 6b1aa3c87f dt-bindings: net: sophgo,sg2044-dwmac: add phy mode restriction
As the ethernet controller of SG2044 and SG2042 only supports
RGMII phy. Add phy-mode property to restrict the value.

Also, since SG2042 has internal rx delay in its mac, make
only "rgmii-txid" and "rgmii-id" valid for phy-mode.

Fixes: e281c48a73 ("dt-bindings: net: sophgo,sg2044-dwmac: Add support for Sophgo SG2042 dwmac")
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251114003805.494387-2-inochiama@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-11-17 19:57:38 -08:00
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