Tool/software: Linux
Hi,
In TI AM3359 Processor, facing issue in External Ethernet PHY(Marvell 88E1510) with 1Gbps Speed. When PHY is connected to 1Gbps hub/PC the link is up and down frequently. when forcing it to 100Mbps and 10Mbps it is working fine.
The device tree details are as follows,
mac: ethernet@4a100000 {
compatible = "ti,am335x-cpsw","ti,cpsw";
ti,hwmods = "cpgmac0";
clocks = <&cpsw_125mhz_gclk>, <&cpsw_cpts_rft_clk>;
clock-names = "fck", "cpts";
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
no_bd_ram = <0>;
mac_control = <0x20>;
slaves = <2>;
active_slave = <1>;
cpts_clock_mult = <0x80000000>;
cpts_clock_shift = <29>;
reg = <0x4a100000 0x800
0x4a101200 0x100>;
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&intc>;
/*
* c0_rx_thresh_pend
* c0_rx_pend
* c0_tx_pend
* c0_misc_pend
*/
interrupts = <40 41 42 43>;
ranges;
syscon = <&scm_conf>;
status = "disabled";
davinci_mdio: mdio@4a101000 {
compatible = "ti,cpsw-mdio";
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "davinci_mdio";
bus_freq = <1000000>;
reg = <0x4a101000 0x100>;
status = "disabled";
ethernet-phy@0 {
compatible = "marvell,88E1112","ethernet-phy-ieee802.3-c22";
device_type = "ethernet-phy";
reg = <0>;
};
ethernet-phy@1 {
compatible = "marvell,88E1112", "ethernet-phy-id0141.0dd0", "ethernet-phy-ieee802.3-c22";
device_type = "ethernet-phy";
reg = <1>;
};
};
cpsw_emac0: slave@4a100200 {
/* Filled in by U-Boot */
mac-address = [ 00 00 00 00 00 00 ];
};
cpsw_emac1: slave@4a100300 {
/* Filled in by U-Boot */
mac-address = [ 00 00 00 00 00 00 ];
};
phy_sel: cpsw-phy-sel@44e10650 {
compatible = "ti,am3352-cpsw-phy-sel";
reg= <0x44e10650 0x4>;
reg-names = "gmii-sel";
};
&cpsw_emac0 {
phy_id = <&davinci_mdio>, <0>;
phy-mode = "rmii";
dual_emac_res_vlan = <1>;
};
&davinci_mdio {
pinctrl-names = "default";
pinctrl-0 = <&mdio_pins>;
status = "okay";
};
&mac {
slaves = <1>;
pinctrl-names = "default";
pinctrl-0 = <ðernet0_pins>;
status = "okay";
};
Thanks & Regards,
Arunkumar M
