Re: [PATCH] ARM: dts: imx8mm-verdin: Set PHY mode to RGMII-ID

12 Sep 2021

Hi Marek
On Sun, 2021-09-12 at 00:43 +0200, Marek Vasut wrote:
...
Since c6df0e2ffdc ("net: phy: micrel: add support for DLL setup on ksz9131")
the Micrel PHY driver correctly configures the delay register. The Verdin PHY
is RGMII-ID, so reflect that in DT, otherwise the ethernet no longer works.
Yes, however, one should also get rid of the proprietary PHY setup in our board setup.
Remember, I already did send this as part of my target refresh series:
https://marc.info/?l=u-boot&m=162990456210415
...
Signed-off-by: Marek Vasut marex@denx.de
Cc: Marcel Ziswiler marcel.ziswiler@toradex.com
Cc: Max Krummenacher max.krummenacher@toradex.com
Cc: Oleksandr Suvorov oleksandr.suvorov@toradex.com

arch/arm/dts/imx8mm-verdin.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/dts/imx8mm-verdin.dts b/arch/arm/dts/imx8mm-verdin.dts
index fb0756d6e19..ac2a4b69d3c 100644
--- a/arch/arm/dts/imx8mm-verdin.dts
+++ b/arch/arm/dts/imx8mm-verdin.dts
@@ -160,7 +160,7 @@
 &fec1 {
        fsl,magic-packet;
        phy-handle = <&ethphy0>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-supply = <&reg_ethphy>;
        pinctrl-names = "default", "sleep";
        pinctrl-0 = <&pinctrl_fec1>;
Cheers
Marcel

    