diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c b/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
index cdb614bbe1..0ee6847003 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
@@ -172,6 +172,12 @@ void __init ar71xx_gpio_init(void)
 		ar71xx_gpio_chip.ngpio = AR91XX_GPIO_COUNT;
 		break;
 
+	case AR71XX_SOC_AR9341:
+	case AR71XX_SOC_AR9342:
+	case AR71XX_SOC_AR9344:
+		ar71xx_gpio_chip.ngpio = AR934X_GPIO_COUNT;
+		break;
+
 	default:
 		BUG();
 	}
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index ab00d19e18..e671f58ed7 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -427,6 +427,12 @@ static inline u32 ar71xx_usb_ctrl_rr(unsigned reg)
 
 #define AR91XX_GPIO_COUNT	22
 
+#define AR934X_GPIO_FUNC_SPI_CS_1_EN	BIT(14)
+#define AR934X_GPIO_FUNC_SPI_CS_0_EN	BIT(13)
+
+#define AR934X_GPIO_COUNT		32
+#define AR934X_GPIO_FUNC_DDR_DQOE_EN	BIT(17)
+
 extern void __iomem *ar71xx_gpio_base;
 
 static inline void ar71xx_gpio_wr(unsigned reg, u32 value)