[PATCH net-next v2 3/4] net: ftgmac100: Add support for DT phy-handle property

Andrew Lunn andrew at lunn.ch
Thu Aug 1 13:55:49 AEST 2019

On Wed, Jul 31, 2019 at 03:09:58PM +0930, Andrew Jeffery wrote:
> phy-handle is necessary for the AST2600 which separates the MDIO
> controllers from the MAC.
> I've tried to minimise the intrusion of supporting the AST2600 to the
> FTGMAC100 by leaving in place the existing MDIO support for the embedded
> MDIO interface. The AST2400 and AST2500 continue to be supported this
> way, as it avoids breaking/reworking existing devicetrees.
> The AST2600 support by contrast requires the presence of the phy-handle
> property in the MAC devicetree node to specify the appropriate PHY to
> associate with the MAC. In the event that someone wants to specify the
> MDIO bus topology under the MAC node on an AST2400 or AST2500, the
> current auto-probe approach is done conditional on the absence of an
> "mdio" child node of the MAC.
> Signed-off-by: Andrew Jeffery <andrew at aj.id.au>

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


More information about the Linux-aspeed mailing list