+--- 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
+
+@@ -404,6 +408,7 @@
+ #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
+@@ -1186,4 +1191,16 @@
+ #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 */