diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt
index 095ac7172ffe62bf08409897ec228075f4478b95..7f76214f728aa6028f133a94d04f183ccb3b1c38 100644
--- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt
+++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt
@@ -15,6 +15,7 @@ The supplying peripheral clock can also be handled, needing a second property
 	Required elements: "baudclk", "apb_pclk"
 
 Optional properties:
+- resets : phandle to the parent reset controller.
 - reg-shift : quantity to shift the register offsets by.  If this property is
   not present then the register offsets are not shifted.
 - reg-io-width : the size (in bytes) of the IO accesses that should be
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index affdcb192aed8c24f6851278e5a1e3ceb7092b0b..501db2f58fd24dc8dead3c8467123300252e8a03 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 #include <linux/acpi.h>
 #include <linux/clk.h>
+#include <linux/reset.h>
 #include <linux/pm_runtime.h>
 
 #include <asm/byteorder.h>
@@ -60,6 +61,7 @@ struct dw8250_data {
 	int			line;
 	struct clk		*clk;
 	struct clk		*pclk;
+	struct reset_control	*rst;
 	struct uart_8250_dma	dma;
 };
 
@@ -383,6 +385,10 @@ static int dw8250_probe(struct platform_device *pdev)
 		}
 	}
 
+	data->rst = devm_reset_control_get_optional(&pdev->dev, NULL);
+	if (!IS_ERR(data->rst))
+		reset_control_deassert(data->rst);
+
 	data->dma.rx_chan_id = -1;
 	data->dma.tx_chan_id = -1;
 	data->dma.rx_param = data;
@@ -426,6 +432,9 @@ static int dw8250_remove(struct platform_device *pdev)
 
 	serial8250_unregister_port(data->line);
 
+	if (!IS_ERR(data->rst))
+		reset_control_assert(data->rst);
+
 	if (!IS_ERR(data->pclk))
 		clk_disable_unprepare(data->pclk);