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>

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 3234eb9aba9443e5d408b2bd9ca07d7be054ef8a..b98a41664855d9ffa6c891a4b5c71f9d32dbcaa4 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -907,6 +907,8 @@
                                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 @@
                                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 @@
                                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 @@
                                fsl,usbmisc = <&usbmisc 3>;
                                dr_mode = "host";
                                ahb-burst-config = <0x0>;
+                               tx-burst-size-dword = <0x10>;
+                               rx-burst-size-dword = <0x10>;
                                status = "disabled";
                        };
 

diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 3e8653a13fe0f76a74287089db200a2631e934b6..ebeae8f76436c58c2f04afc10339cb2998a85dda 100644 (file)
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -709,6 +709,8 @@
                                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 @@
                                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 @@
                                fsl,usbmisc = <&usbmisc 2>;
                                dr_mode = "host";
                                ahb-burst-config = <0x0>;
+                               tx-burst-size-dword = <0x10>;
+                               rx-burst-size-dword = <0x10>;
                                status = "disabled";
                        };
 

diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index ea29e2e4587517f759ba40b667139dfcb4ad44bf..64608e2299f1781fd163ae3e0d15bc9a6498f9b8 100644 (file)
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -784,6 +784,8 @@
                                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 @@
                                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 @@
                                fsl,anatop = <&anatop>;
                                dr_mode = "host";
                                ahb-burst-config = <0x0>;
+                               tx-burst-size-dword = <0x10>;
+                               rx-burst-size-dword = <0x10>;
                                status = "disabled";
                        };
 

diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index 9b83f767b3241e4e5447af39ed05e9e35dc06c75..0e9716b79db86ed1ac593f7839f8bc639c825256 100644 (file)
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -549,6 +549,8 @@
                                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 @@
                                fsl,usbphy = <&usbphy2>;
                                fsl,usbmisc = <&usbmisc 1>;
                                ahb-burst-config = <0x0>;
+                               tx-burst-size-dword = <0x10>;
+                               rx-burst-size-dword = <0x10>;
                                status = "disabled";
                        };