I've attached the IP175D to my MAC via MAC 5 ("Router application
using one MII/RMII port" diagram in the datasheet). According to the
4.1 PHY ID Map, it's MDIO address should be 5, but scan finds only 5
PHYs, i.e. till address 4:
davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver
ICPlus IP175C ID 0x2430d80
davinci_mdio 4a101000.mdio: phy[1]: device 4a101000.mdio:01, driver
ICPlus IP175C ID 0x2430d80
davinci_mdio 4a101000.mdio: phy[2]: device 4a101000.mdio:02, driver
ICPlus IP175C ID 0x2430d80
davinci_mdio 4a101000.mdio: phy[3]: device 4a101000.mdio:03, driver
ICPlus IP175C ID 0x2430d80
davinci_mdio 4a101000.mdio: phy[4]: device 4a101000.mdio:04, driver
ICPlus IP175C ID 0x2430d80
davinci_mdio 4a101000.mdio: phy[5]: device 4a101000.mdio:05, driver
unknown ID 0x0
davinci_mdio 4a101000.mdio: phy[6]: device 4a101000.mdio:06, driver
unknown ID 0x0
davinci_mdio 4a101000.mdio: phy[7]: device 4a101000.mdio:07, driver
Atheros 8035 ethernet ID 0x4dd072
What MDIO address should I use to address the chip? This is an example
of phy_id (in this case it is addr 5) configuration for TI's Ethernet
controller:
&cpsw_emac0 {
phy_id = <&davinci_mdio>, <5>;
phy-mode = "rmii";
dual_emac_res_vlan = <1>;
};
Regards,
Yegor
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