目前使用imx8qm双网络，硬件：两组ar8031，MDIO也是两组。软件：Linux4.19.35.
设备树单独使能eth0和eth1 ，eth0和eth1都能ping成功。但是同时使能eth0和eth1,则只有eth0 ping成功，eth1 Ethernet eth1: Unable to connect to the phy.。
如下是log，请帮忙看看哪里有问题，谢谢！
///////////////////////////////////////////////////////////////////
&fec1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec1>;
phy-mode = "rgmii-txid";
phy-handle = <ðphy0>;
fsl,magic-packet;
fsl,rgmii_rxc_dly;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethphy0: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0>;
at803x,eee-disabled;
at803x,vddio-1p8v;
};
};
};
///////////////////////////////////////////////////////////////
&fec2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec2>;
phy-mode = "rgmii-txid";
phy-handle = <ðphy1>;
//phy-supply = <®_fec2_supply>;
fsl,magic-packet;
fsl,rgmii_rxc_dly;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethphy1: ethernet-phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <4>;
at803x,eee-disabled;
at803x,vddio-1p8v;
};
};
};
pinctrl_fec1: fec1grp {
fsl,pins = <
//SC_P_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB_PAD 0x000014a0
SC_P_ENET0_MDC_CONN_ENET0_MDC 0x06000020
SC_P_ENET0_MDIO_CONN_ENET0_MDIO 0x06000020
SC_P_ENET0_RGMII_TX_CTL_CONN_ENET0_RGMII_TX_CTL 0x00000061
SC_P_ENET0_RGMII_TXC_CONN_ENET0_RGMII_TXC 0x00000061
SC_P_ENET0_RGMII_TXD0_CONN_ENET0_RGMII_TXD0 0x00000061
SC_P_ENET0_RGMII_TXD1_CONN_ENET0_RGMII_TXD1 0x00000061
SC_P_ENET0_RGMII_TXD2_CONN_ENET0_RGMII_TXD2 0x00000061
SC_P_ENET0_RGMII_TXD3_CONN_ENET0_RGMII_TXD3 0x00000061
SC_P_ENET0_RGMII_RXC_CONN_ENET0_RGMII_RXC 0x00000061
SC_P_ENET0_RGMII_RX_CTL_CONN_ENET0_RGMII_RX_CTL 0x00000061
SC_P_ENET0_RGMII_RXD0_CONN_ENET0_RGMII_RXD0 0x00000061
SC_P_ENET0_RGMII_RXD1_CONN_ENET0_RGMII_RXD1 0x00000061
SC_P_ENET0_RGMII_RXD2_CONN_ENET0_RGMII_RXD2 0x00000061
SC_P_ENET0_RGMII_RXD3_CONN_ENET0_RGMII_RXD3 0x00000061
>;
};
pinctrl_fec2: fec2grp {
fsl,pins = <
//SC_P_COMP_CTL_GPIO_1V8_3V3_ENET_ENETA_PAD 0x000014a0
SC_P_ENET1_MDC_CONN_ENET1_MDC 0x06000020
SC_P_ENET1_MDIO_CONN_ENET1_MDIO 0x06000020
SC_P_ENET1_RGMII_TX_CTL_CONN_ENET1_RGMII_TX_CTL 0x00000060
SC_P_ENET1_RGMII_TXC_CONN_ENET1_RGMII_TXC 0x00000060
SC_P_ENET1_RGMII_TXD0_CONN_ENET1_RGMII_TXD0 0x00000060
SC_P_ENET1_RGMII_TXD1_CONN_ENET1_RGMII_TXD1 0x00000060
SC_P_ENET1_RGMII_TXD2_CONN_ENET1_RGMII_TXD2 0x00000060
SC_P_ENET1_RGMII_TXD3_CONN_ENET1_RGMII_TXD3 0x00000060
SC_P_ENET1_RGMII_RXC_CONN_ENET1_RGMII_RXC 0x00000060
SC_P_ENET1_RGMII_RX_CTL_CONN_ENET1_RGMII_RX_CTL 0x00000060
SC_P_ENET1_RGMII_RXD0_CONN_ENET1_RGMII_RXD0 0x00000060
SC_P_ENET1_RGMII_RXD1_CONN_ENET1_RGMII_RXD1 0x00000060
SC_P_ENET1_RGMII_RXD2_CONN_ENET1_RGMII_RXD2 0x00000060
SC_P_ENET1_RGMII_RXD3_CONN_ENET1_RGMII_RXD3 0x00000060
>;
