ARM: dts: imx6: change default burst size for USB

It can improve the USB performance when choosing larger
burst size at some systems (bus size is larger), there is
no side effect if this burst size is larger than bus size.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl.dtsi

@@ -907,6 +907,8 @@ usbotg: usb@02184000 {
 				fsl,usbphy = <&usbphy1>;
 				fsl,usbmisc = <&usbmisc 0>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -919,6 +921,8 @@ usbh1: usb@02184200 {
 				fsl,usbmisc = <&usbmisc 1>;
 				dr_mode = "host";
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -930,6 +934,8 @@ usbh2: usb@02184400 {
 				fsl,usbmisc = <&usbmisc 2>;
 				dr_mode = "host";
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -941,6 +947,8 @@ usbh3: usb@02184600 {
 				fsl,usbmisc = <&usbmisc 3>;
 				dr_mode = "host";
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 

arch/arm/boot/dts/imx6sl.dtsi

@@ -709,6 +709,8 @@ usbotg1: usb@02184000 {
 				fsl,usbphy = <&usbphy1>;
 				fsl,usbmisc = <&usbmisc 0>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -720,6 +722,8 @@ usbotg2: usb@02184200 {
 				fsl,usbphy = <&usbphy2>;
 				fsl,usbmisc = <&usbmisc 1>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -731,6 +735,8 @@ usbh: usb@02184400 {
 				fsl,usbmisc = <&usbmisc 2>;
 				dr_mode = "host";
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 

arch/arm/boot/dts/imx6sx.dtsi

@@ -784,6 +784,8 @@ usbotg1: usb@02184000 {
 				fsl,usbmisc = <&usbmisc 0>;
 				fsl,anatop = <&anatop>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -795,6 +797,8 @@ usbotg2: usb@02184200 {
 				fsl,usbphy = <&usbphy2>;
 				fsl,usbmisc = <&usbmisc 1>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -808,6 +812,8 @@ usbh: usb@02184400 {
 				fsl,anatop = <&anatop>;
 				dr_mode = "host";
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 

arch/arm/boot/dts/imx6ul.dtsi

@@ -549,6 +549,8 @@ usbotg1: usb@02184000 {
 				fsl,usbmisc = <&usbmisc 0>;
 				fsl,anatop = <&anatop>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};
 
@@ -560,6 +562,8 @@ usbotg2: usb@02184200 {
 				fsl,usbphy = <&usbphy2>;
 				fsl,usbmisc = <&usbmisc 1>;
 				ahb-burst-config = <0x0>;
+				tx-burst-size-dword = <0x10>;
+				rx-burst-size-dword = <0x10>;
 				status = "disabled";
 			};