diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index 07cb12c8e9ff20ff03e239cf235bc03397041fa0..91ff8b2fc904729f9777ecb7ccd8ae75dee141c6 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -686,7 +686,6 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
 		case ATH79_SOC_AR7241:
 		case ATH79_SOC_AR9330:
 		case ATH79_SOC_AR9331:
-		case ATH79_SOC_QCA956X:
 		case ATH79_SOC_TP9343:
 			pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
 			break;
@@ -698,6 +697,7 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
 		case ATH79_SOC_AR9342:
 		case ATH79_SOC_AR9344:
 		case ATH79_SOC_QCA9533:
+		case ATH79_SOC_QCA956X:
 			switch (pdata->phy_if_mode) {
 			case PHY_INTERFACE_MODE_MII:
 			case PHY_INTERFACE_MODE_GMII:
@@ -814,6 +814,27 @@ void __init ath79_setup_qca955x_eth_cfg(u32 mask)
 	iounmap(base);
 }
 
+void __init ath79_setup_qca956x_eth_cfg(u32 mask)
+{
+	void __iomem *base;
+	u32 t;
+
+	base = ioremap(QCA956X_GMAC_BASE, QCA956X_GMAC_SIZE);
+
+	t = __raw_readl(base + QCA956X_GMAC_REG_ETH_CFG);
+
+	t &= ~(QCA956X_ETH_CFG_SW_ONLY_MODE |
+	       QCA956X_ETH_CFG_SW_PHY_SWAP);
+
+	t |= mask;
+
+	__raw_writel(t, base + QCA956X_GMAC_REG_ETH_CFG);
+	/* flush write */
+	__raw_readl(base + QCA956X_GMAC_REG_ETH_CFG);
+
+	iounmap(base);
+}
+
 static int ath79_eth_instance __initdata;
 void __init ath79_register_eth(unsigned int id)
 {
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.h b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.h
index 5a226e40284b6853b59812ffc791e0612c91fa9b..fb9e4f63c66ef9008e423007ecff02c93c321fb8 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.h
@@ -49,5 +49,6 @@ void ath79_setup_ar933x_phy4_switch(bool mac, bool mdio);
 void ath79_setup_ar934x_eth_cfg(u32 mask);
 void ath79_setup_ar934x_eth_rx_delay(unsigned int rxd, unsigned int rxdv);
 void ath79_setup_qca955x_eth_cfg(u32 mask);
+void ath79_setup_qca956x_eth_cfg(u32 mask);
 
 #endif /* _ATH79_DEV_ETH_H */
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
index 5fd352c638a75063945adadb64b1043cd81b506c..078fa157f242ce4350185d97a61ef5d1f3f16fc5 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
@@ -37,11 +37,13 @@ struct ag71xx_platform_data {
 	u8		is_ar724x:1;
 	u8		has_ar8216:1;
 	u8		use_flow_control:1;
+	u8		is_qca956x:1;
 
 	struct ag71xx_switch_platform_data *switch_data;
 
 	void		(*ddr_flush)(void);
 	void		(*set_speed)(int speed);
+	void		(*update_pll)(u32 pll_10, u32 pll_100, u32 pll_1000);
 
 	u32		fifo_cfg1;
 	u32		fifo_cfg2;
diff --git a/target/linux/ar71xx/patches-4.4/622-MIPS-ath79-add-more-register-defines-for-QCA956x-SoC.patch b/target/linux/ar71xx/patches-4.4/622-MIPS-ath79-add-more-register-defines-for-QCA956x-SoC.patch
new file mode 100644
index 0000000000000000000000000000000000000000..dff354398cd2ab6556b13be9f7ce45f4d7f311e8
--- /dev/null
+++ b/target/linux/ar71xx/patches-4.4/622-MIPS-ath79-add-more-register-defines-for-QCA956x-SoC.patch
@@ -0,0 +1,38 @@
+--- 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 */
diff --git a/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch b/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch
index add2992186ad1d82ce924d2f1ccdf3c36c390a3d..8aa5957a7152af27854f6f7c197120b8029cf9e8 100644
--- a/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch
+++ b/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch
@@ -20,7 +20,7 @@
  #define AR71XX_UART_BASE	(AR71XX_APB_BASE + 0x00020000)
  #define AR71XX_UART_SIZE	0x100
  #define AR71XX_USB_CTRL_BASE	(AR71XX_APB_BASE + 0x00030000)
-@@ -218,6 +218,9 @@
+@@ -222,6 +222,9 @@
  #define QCA953X_DDR_REG_FLUSH_PCIE	0xa8
  #define QCA953X_DDR_REG_FLUSH_WMAC	0xac
  
diff --git a/target/linux/ar71xx/patches-4.4/820-MIPS-ath79-add_gpio_function2_setup.patch b/target/linux/ar71xx/patches-4.4/820-MIPS-ath79-add_gpio_function2_setup.patch
index 7db6ad361fa21252118e589195b0bc73222cf4f5..6b331587d157511a40fc1e46630c416a60565a0b 100644
--- a/target/linux/ar71xx/patches-4.4/820-MIPS-ath79-add_gpio_function2_setup.patch
+++ b/target/linux/ar71xx/patches-4.4/820-MIPS-ath79-add_gpio_function2_setup.patch
@@ -48,7 +48,7 @@ functions on the Arduino Yun.
  	void __iomem *reg = ath79_gpio_get_function_reg();
 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
-@@ -850,6 +850,7 @@
+@@ -855,6 +855,7 @@
  #define AR71XX_GPIO_REG_INT_PENDING	0x20
  #define AR71XX_GPIO_REG_INT_ENABLE	0x24
  #define AR71XX_GPIO_REG_FUNC		0x28
@@ -56,7 +56,7 @@ functions on the Arduino Yun.
  
  #define AR934X_GPIO_REG_OUT_FUNC0	0x2c
  #define AR934X_GPIO_REG_OUT_FUNC1	0x30
-@@ -974,6 +975,8 @@
+@@ -979,6 +980,8 @@
  #define AR724X_GPIO_FUNC_UART_EN		BIT(1)
  #define AR724X_GPIO_FUNC_JTAG_DISABLE		BIT(0)