Re: Failed to reinit phy of spacemit-dwmac when reset-gpio is present

Andrew Lunn <[email protected]> Sun, 12 Jul 2026 15:49:43 +0200

Newsgroups	dev.linux.lists.spacemit,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID	<[email protected]>

> > --- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
> > +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
> > @@ -196,7 +196,8 @@ &eth0 {
> > 
> >  	mdio {
> >  		phy0: phy@1 {
> > -			compatible = "ethernet-phy-ieee802.3-c22";
> > +			compatible = "ethernet-phy-id001c.c916",
> > +				     "ethernet-phy-ieee802.3-c22";
> 
> Indeed that's merely a workaround :(

Despite is being a workaround, there has not been much progress on a
generic framework for dealing with clocks, resets, regulators etc,
before probing PHYs. So this is probably what you want to do.

       Andrew