--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -1105,5 +1105,11 @@
 
 #define QCA955X_ETH_CFG_RGMII_EN	BIT(0)
 #define QCA955X_ETH_CFG_GE0_SGMII	BIT(6)
+#define QCA955X_ETH_CFG_RXD_DELAY	BIT(14)
+#define QCA955X_ETH_CFG_RXD_DELAY_MASK	0x3
+#define QCA955X_ETH_CFG_RXD_DELAY_SHIFT	14
+#define QCA955X_ETH_CFG_RDV_DELAY	BIT(16)
+#define QCA955X_ETH_CFG_RDV_DELAY_MASK	0x3
+#define QCA955X_ETH_CFG_RDV_DELAY_SHIFT	16
 
 #endif /* __ASM_MACH_AR71XX_REGS_H */