--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -157,6 +157,10 @@
 #define QCA956X_EHCI0_BASE	0x1b000000
 #define QCA956X_EHCI1_BASE	0x1b400000
 #define QCA956X_EHCI_SIZE	0x200
+#define QCA956X_GMAC_SGMII_BASE	(AR71XX_APB_BASE + 0x00070000)
+#define QCA956X_GMAC_SGMII_SIZE	0x64
+#define QCA956X_PLL_BASE	(AR71XX_APB_BASE + 0x00050000)
+#define QCA956X_PLL_SIZE	0x50
 #define QCA956X_GMAC_BASE	(AR71XX_APB_BASE + 0x00070000)
 #define QCA956X_GMAC_SIZE	0x64
 
@@ -414,6 +418,7 @@
 #define QCA956X_PLL_DDR_CONFIG_REG			0x08
 #define QCA956X_PLL_DDR_CONFIG1_REG			0x0c
 #define QCA956X_PLL_CLK_CTRL_REG			0x10
+#define QCA956X_PLL_ETH_XMII_CONTROL_REG		0x30
 
 #define QCA956X_PLL_CPU_CONFIG_REFDIV_SHIFT		12
 #define QCA956X_PLL_CPU_CONFIG_REFDIV_MASK		0x1f
@@ -1196,4 +1201,16 @@
 #define QCA955X_ETH_CFG_TXE_DELAY_MASK	0x3
 #define QCA955X_ETH_CFG_TXE_DELAY_SHIFT	20
 
+/*
+ * QCA956X GMAC Interface
+ */
+
+#define QCA956X_GMAC_REG_ETH_CFG		0x00
+
+#define QCA956X_ETH_CFG_SW_ONLY_MODE		BIT(7)
+#define QCA956X_ETH_CFG_SW_PHY_SWAP		    BIT(8)
+#define QCA956X_ETH_CFG_SW_PHY_ADDR_SWAP	BIT(9)
+#define QCA956X_ETH_CFG_SW_APB_ACCESS		BIT(10)
+#define QCA956X_ETH_CFG_SW_ACC_MSB_FIRST	BIT(13)
+
 #endif /* __ASM_MACH_AR71XX_REGS_H */
