After setting ahb burst configuration as 0, we can increase tx/rx
burst size, it will improve the USB performance

Signed-off-by: Peter Chen <peter.c...@freescale.com>
---
 arch/arm/boot/dts/imx6qdl.dtsi | 4 ++++
 arch/arm/boot/dts/imx6sl.dtsi  | 3 +++
 arch/arm/boot/dts/imx6sx.dtsi  | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index d6c69ec..2430cc9 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -835,6 +835,7 @@
                                clocks = <&clks IMX6QDL_CLK_USBOH3>;
                                fsl,usbphy = <&usbphy1>;
                                fsl,usbmisc = <&usbmisc 0>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -845,6 +846,7 @@
                                clocks = <&clks IMX6QDL_CLK_USBOH3>;
                                fsl,usbphy = <&usbphy2>;
                                fsl,usbmisc = <&usbmisc 1>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -854,6 +856,7 @@
                                interrupts = <0 41 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clks IMX6QDL_CLK_USBOH3>;
                                fsl,usbmisc = <&usbmisc 2>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -863,6 +866,7 @@
                                interrupts = <0 42 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clks IMX6QDL_CLK_USBOH3>;
                                fsl,usbmisc = <&usbmisc 3>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 36ab8e0..9f283cc 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -680,6 +680,7 @@
                                clocks = <&clks IMX6SL_CLK_USBOH3>;
                                fsl,usbphy = <&usbphy1>;
                                fsl,usbmisc = <&usbmisc 0>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -690,6 +691,7 @@
                                clocks = <&clks IMX6SL_CLK_USBOH3>;
                                fsl,usbphy = <&usbphy2>;
                                fsl,usbmisc = <&usbmisc 1>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -699,6 +701,7 @@
                                interrupts = <0 40 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clks IMX6SL_CLK_USBOH3>;
                                fsl,usbmisc = <&usbmisc 2>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index 7a24fee..0cdfa01 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -742,6 +742,7 @@
                                fsl,usbphy = <&usbphy1>;
                                fsl,usbmisc = <&usbmisc 0>;
                                fsl,anatop = <&anatop>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -752,6 +753,7 @@
                                clocks = <&clks IMX6SX_CLK_USBOH3>;
                                fsl,usbphy = <&usbphy2>;
                                fsl,usbmisc = <&usbmisc 1>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
@@ -763,6 +765,7 @@
                                fsl,usbmisc = <&usbmisc 2>;
                                phy_type = "hsic";
                                fsl,anatop = <&anatop>;
+                               ahb-burst-config = <0x0>;
                                status = "disabled";
                        };
 
-- 
1.9.1

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