@@ -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";
};
@@ -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";
};
@@ -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";
};
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.chen@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(+)