net: phy: mediatek: add phy driver for MT7628 built-in Fast Ethernet PHYs

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The Fast Ethernet PHYs present in the MT7628 SoCs require an
undocumented bit to be set before they can establish 100mbps links.

This commit adds the Kconfig option MEDIATEK_FE_SOC_PHY and the
corresponding driver mtk-fe-soc.c.

Signed-off-by: Joris Vaisvila <joey@tinyisr.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/20260813190241.789323-3-joey@tinyisr.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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This commit is contained in:

Joris Vaisvila 2026-08-13 22:02:39 +03:00 • committed by Paolo Abeni

parent 2873d364f4

commit c9c235775b

3 changed files with 63 additions and 1 deletions

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11

drivers/net/phy/mediatek/Kconfig

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1

drivers/net/phy/mediatek/Makefile

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52

drivers/net/phy/mediatek/mtk-fe-soc.c

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