#define MII_KSZ9031_MOD_DATA_POST_INC_RW 0x8000
#define MII_KSZ9031_MOD_DATA_POST_INC_W 0xC000
+#define MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW 0x4
+#define MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW 0x5
+#define MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW 0x6
+#define MII_KSZ9031_EXT_RGMII_CLOCK_SKEW 0x8
+
+#define MII_KSZ9031_FLP_BURST_TX_LO 0x3
+#define MII_KSZ9031_FLP_BURST_TX_HI 0x4
+
+#define MII_KSZ9x31_SILICON_REV_MASK 0xfffff0
+
+#define MII_KSZ9131_RXTXDLL_BYPASS BIT(12)
+#define MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL 0x4c
+#define MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL 0x4d
+
+#define PHY_ID_KSZ9031 0x00221620
+#define PHY_ID_KSZ9131 0x00221640
+
+
+/* Registers */
+#define MMD_ACCESS_CONTROL 0xd
+#define MMD_ACCESS_REG_DATA 0xe
+
struct phy_device;
int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val);
int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum);
int regnum, u16 mode, u16 val);
int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr,
int regnum, u16 mode);
+int ksz9xx1_phy_get_id(struct phy_device *phydev);
#endif