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器件型号：TDA4VH-Q1 尊敬的 TI：
我们的板 serdes1连接4 phy ic，MAC0/MAC1 USXGMII 连接 phy，USXGMII 接口参考时钟为156M
MAC2/MAC3 SGMII 连接 PHY，SGMII 接口参考时钟为100M
在 Linux 原生驱动程序中，如何在 DTS 中设置 serdes1 refclock？
我们将 serdes1设置为，打印错误日志
/* SERDES1 USXGMII */
&main_cpsw0_port1 {
status = "okay";
phy-mode = "usxgmii";
mac-address = [00 00 00 00 00 00];
phys = <&phy_gmii_sel_cpsw0 1>, <&serdes1_usxgmii_link>;
phy-names = "portmode", "serdes-phy";
fixed-link {
speed = <5000>;
full-duplex;
};
};
&main_cpsw0_port2 {
status = "okay";
phy-mode = "usxgmii";
mac-address = [00 00 00 00 00 00];
phys = <&phy_gmii_sel_cpsw0 2>, <&serdes1_usxgmii_link>;
phy-names = "portmode", "serdes-phy";
fixed-link {
speed = <5000>;
full-duplex;
};
};
/* SERDES1 SGMII */
&main_cpsw0_port3 {
status = "okay";
phy-mode = "sgmii";
mac-address = [00 00 00 00 00 00];
phys = <&phy_gmii_sel_cpsw0 3>, <&serdes1_sgmii_link>;
phy-names = "portmode", "serdes-phy";
phy-handle = <&cpsw9g_phy2>;
};
&main_cpsw0_port4 {
status = "okay";
phy-mode = "sgmii";
mac-address = [00 00 00 00 00 00];
phys = <&phy_gmii_sel_cpsw0 4>, <&serdes1_sgmii_link>;
phy-names = "portmode", "serdes-phy";
phy-handle = <&cpsw9g_phy3>;
};
&main_cpsw0_mdio {
bus_freq = <500000>; //设置500KB
#address-cells = <1>;
#size-cells = <0>;
cpsw9g_phy2: ethernet-phy@2 {
reg = <2>;
compatible = "ethernet-phy-ieee802.3-c45";
ethphy-mode = "master";
ethphy-speed = <1000>;
};
cpsw9g_phy3: ethernet-phy@3 {
reg = <3>;
compatible = "ethernet-phy-ieee802.3-c45";
ethphy-mode = "master";
ethphy-speed = <1000>;
};
}
&serdes_wiz1 {
status = "okay";
assigned-clock-parents = <&k3_clks 405 9>;
};
&serdes1 {
status = "okay";
serdes1_usxgmii_link: phy@2 {
reg = <2>;
cdns,num-lanes = <2>;
#phy-cells = <0>;
cdns,phy-type = <PHY_TYPE_USXGMII>;
resets = <&serdes_wiz1 3>, <&serdes_wiz1 4>;
};
serdes1_sgmii_link: phy@3 {
reg = <0>;
cdns,num-lanes = <2>;
#phy-cells = <0>;
cdns,phy-type = <PHY_TYPE_SGMII>;
resets = <&serdes_wiz1 1>, <&serdes_wiz1 2>;
};
};
错误日志为：
[2.419375] cdns-torrent-phy 5070000.serdes:超时等待 CMN 就绪
[ 2.419384] phy phy-5070000.serdes.11: phy 上电失败-->-110
[ 2.420467] am65-cpsw-nuss：c000000的探测器。Ethernet 故障，错误-110
