[PATCH 7/9] net: add support for KSZ9477/KSZ9897/KSZ9567 GbE switch

[sbabic at denx.de]

> The Microchip KSZ9477/KSZ9897/KSZ9567 7-Port Gigabit Ethernet Switches
> support SGMII/RGMII/MII/RMII with register access via SPI, I2C, or MDIO.
> This driver currently supports I2C register access but SPI or MDIO register
> access can be easily added at a later time.
> Tagging is not implemented and instead the active port is tracked to
> avoid needing a tag to store port information.
> This was tested with the imx8mm-venice-gw7901 board which has a
> KSZ9897S switch with an IMX8MM FEC MAC master connected via RGMII_ID.
> Signed-off-by: Tim Harvey <tharvey at gateworks.com>
> Reviewed-by: Ramon Fried <rfried.dev at gmail.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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