diff --git a/arch/mips/ralink/common.h b/arch/mips/ralink/common.h
index bebd14930bd9..299119b294ca 100644
--- a/arch/mips/ralink/common.h
+++ b/arch/mips/ralink/common.h
@@ -22,6 +22,7 @@ struct ralink_pinmux {
 	struct ralink_pinmux_grp *mode;
 	struct ralink_pinmux_grp *uart;
 	int uart_shift;
+	u32 uart_mask;
 	void (*wdt_reset)(void);
 	struct ralink_pinmux_grp *pci;
 	int pci_shift;
diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c
index 5b42078b7341..6aa3cb1a8fc5 100644
--- a/arch/mips/ralink/rt305x.c
+++ b/arch/mips/ralink/rt305x.c
@@ -91,12 +91,12 @@ static struct ralink_pinmux_grp uart_mux[] = {
 		.name = "gpio uartf",
 		.mask = RT305X_GPIO_MODE_GPIO_UARTF,
 		.gpio_first = RT305X_GPIO_7,
-		.gpio_last = RT305X_GPIO_14,
+		.gpio_last = RT305X_GPIO_10,
 	}, {
 		.name = "gpio i2s",
 		.mask = RT305X_GPIO_MODE_GPIO_I2S,
 		.gpio_first = RT305X_GPIO_7,
-		.gpio_last = RT305X_GPIO_14,
+		.gpio_last = RT305X_GPIO_10,
 	}, {
 		.name = "gpio",
 		.mask = RT305X_GPIO_MODE_GPIO,
@@ -118,6 +118,7 @@ struct ralink_pinmux rt_gpio_pinmux = {
 	.mode = mode_mux,
 	.uart = uart_mux,
 	.uart_shift = RT305X_GPIO_MODE_UART0_SHIFT,
+	.uart_mask = RT305X_GPIO_MODE_UART0_MASK,
 	.wdt_reset = rt305x_wdt_reset,
 };