[net-next v4 4/4] net: ftgmac100: Add optional reset control for RMII mode on Aspeed SoCs

Andrew Lunn andrew at lunn.ch
Wed Jul 9 06:23:59 PDT 2025


On Wed, Jul 09, 2025 at 03:08:09PM +0800, Jacky Chou wrote:
> On Aspeed SoCs, the internal MAC reset is insufficient to fully reset the
> RMII interface; only the SoC-level reset line can properly reset the RMII
> logic. This patch adds support for an optional "resets" property in the
> device tree, allowing the driver to assert and deassert the SoC reset line
> when operating in RMII mode. This ensures the MAC and RMII interface are
> correctly reset and initialized.
> 
> Signed-off-by: Jacky Chou <jacky_chou at aspeedtech.com>

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew



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