The AM654 SoC doesn't allow to disabling RGMII TX internal delay in CPSW2G MAC. Hence, change CPSW2G interface mode to "rgmii-rxid" - RGMII with internal RX delay provided by the PHY, the MAC will add an TX delay in this case.
Signed-off-by: Grygorii Strashko grygorii.strashko@ti.com --- arch/arm/dts/k3-am654-base-board-u-boot.dtsi | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi index 8589f76d23..bea80c5d00 100644 --- a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi +++ b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi @@ -336,13 +336,12 @@ reg = <0>; /* TODO: phy reset: TCA9555RTWR(i2c:0x21)[p04].GPIO_MCU_RGMII_RSTN */ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; - ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; }; };
&cpsw_port1 { - phy-mode = "rgmii-id"; + phy-mode = "rgmii-rxid"; phy-handle = <&phy0>; };