#define PHY_ID_AQR105  0x03a1b4a2
 #define PHY_ID_AQR106  0x03a1b4d0
 #define PHY_ID_AQR107  0x03a1b4e0
+#define PHY_ID_AQCS109 0x03a1b5c2
 #define PHY_ID_AQR405  0x03a1b4b0
 
 #define MDIO_AN_TX_VEND_STATUS1                        0xc800
        .ack_interrupt  = aqr_ack_interrupt,
        .read_status    = aqr_read_status,
 },
+{
+       PHY_ID_MATCH_MODEL(PHY_ID_AQCS109),
+       .name           = "Aquantia AQCS109",
+       .features       = PHY_10GBIT_FULL_FEATURES,
+       .aneg_done      = genphy_c45_aneg_done,
+       .config_aneg    = aqr_config_aneg,
+       .config_intr    = aqr_config_intr,
+       .ack_interrupt  = aqr_ack_interrupt,
+       .read_status    = aqr_read_status,
+},
 {
        PHY_ID_MATCH_MODEL(PHY_ID_AQR405),
        .name           = "Aquantia AQR405",
        { PHY_ID_MATCH_MODEL(PHY_ID_AQR105) },
        { PHY_ID_MATCH_MODEL(PHY_ID_AQR106) },
        { PHY_ID_MATCH_MODEL(PHY_ID_AQR107) },
+       { PHY_ID_MATCH_MODEL(PHY_ID_AQCS109) },
        { PHY_ID_MATCH_MODEL(PHY_ID_AQR405) },
        { }
 };