diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index 2daf23f6f5..40a3f845d0 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -176,6 +176,7 @@ enum sunxi_gpio_number {
 
 #define SUN5I_GPE_SDC2		3
 #define SUN8I_GPE_TWI2		3
+#define SUN50I_GPE_TWI2		3
 
 #define SUNXI_GPF_SDC0		2
 #define SUNXI_GPF_UART0		4
@@ -193,8 +194,10 @@ enum sunxi_gpio_number {
 #define SUN4I_GPH_SDC1		5
 #define SUN6I_GPH_TWI0		2
 #define SUN8I_GPH_TWI0		2
+#define SUN50I_GPH_TWI0		2
 #define SUN6I_GPH_TWI1		2
 #define SUN8I_GPH_TWI1		2
+#define SUN50I_GPH_TWI1		2
 #define SUN6I_GPH_TWI2		2
 #define SUN6I_GPH_UART0		2
 #define SUN9I_GPH_UART0		2
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index f022f365e9..ad14837291 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -98,6 +98,10 @@ void i2c_init_board(void)
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0);
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0);
 	clock_twi_onoff(0, 1);
+#elif defined(CONFIG_MACH_SUN50I)
+	sunxi_gpio_set_cfgpin(SUNXI_GPH(0), SUN50I_GPH_TWI0);
+	sunxi_gpio_set_cfgpin(SUNXI_GPH(1), SUN50I_GPH_TWI0);
+	clock_twi_onoff(0, 1);
 #endif
 #endif
 
@@ -120,6 +124,10 @@ void i2c_init_board(void)
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1);
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1);
 	clock_twi_onoff(1, 1);
+#elif defined(CONFIG_MACH_SUN50I)
+	sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN50I_GPH_TWI1);
+	sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN50I_GPH_TWI1);
+	clock_twi_onoff(1, 1);
 #endif
 #endif
 
@@ -142,6 +150,10 @@ void i2c_init_board(void)
 	sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2);
 	sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2);
 	clock_twi_onoff(2, 1);
+#elif defined(CONFIG_MACH_SUN50I)
+	sunxi_gpio_set_cfgpin(SUNXI_GPE(14), SUN50I_GPE_TWI2);
+	sunxi_gpio_set_cfgpin(SUNXI_GPE(15), SUN50I_GPE_TWI2);
+	clock_twi_onoff(2, 1);
 #endif
 #endif