--- zzzz-none-000/linux-3.10.107/include/linux/micrel_phy.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/micrel_phy.h	2021-02-04 17:41:59.000000000 +0000
@@ -17,10 +17,13 @@
 
 #define PHY_ID_KSZ8873MLL	0x000e7237
 #define PHY_ID_KSZ9021		0x00221610
+#define PHY_ID_KSZ9021RLRN	0x00221611
 #define PHY_ID_KS8737		0x00221720
 #define PHY_ID_KSZ8021		0x00221555
 #define PHY_ID_KSZ8031		0x00221556
 #define PHY_ID_KSZ8041		0x00221510
+/* undocumented */
+#define PHY_ID_KSZ8041RNLI	0x00221537
 #define PHY_ID_KSZ8051		0x00221550
 /* same id: ks8001 Rev. A/B, and ks8721 Rev 3. */
 #define PHY_ID_KSZ8001		0x0022161A
@@ -35,4 +38,9 @@
 /* struct phy_device dev_flags definitions */
 #define MICREL_PHY_50MHZ_CLK	0x00000001
 
+#define MICREL_KSZ9021_EXTREG_CTRL	0xB
+#define MICREL_KSZ9021_EXTREG_DATA_WRITE	0xC
+#define MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW	0x104
+#define MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW	0x105
+
 #endif /* _MICREL_PHY_H */