[RESEND PATCH v2 1/2] ARM: imx6: set ahb-burst-config as 0 for USB
Peter Chen
peter.chen at freescale.com
Tue Sep 29 19:17:16 PDT 2015
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 at freescale.com>
---
Changes for v2:
- Applies changes for imx6ul
arch/arm/boot/dts/imx6qdl.dtsi | 4 ++++
arch/arm/boot/dts/imx6sl.dtsi | 3 +++
arch/arm/boot/dts/imx6sx.dtsi | 3 +++
arch/arm/boot/dts/imx6ul.dtsi | 2 ++
4 files changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index e716e6f..3d04a17 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -906,6 +906,7 @@
clocks = <&clks IMX6QDL_CLK_USBOH3>;
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc 0>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -917,6 +918,7 @@
fsl,usbphy = <&usbphy2>;
fsl,usbmisc = <&usbmisc 1>;
dr_mode = "host";
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -927,6 +929,7 @@
clocks = <&clks IMX6QDL_CLK_USBOH3>;
fsl,usbmisc = <&usbmisc 2>;
dr_mode = "host";
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -937,6 +940,7 @@
clocks = <&clks IMX6QDL_CLK_USBOH3>;
fsl,usbmisc = <&usbmisc 3>;
dr_mode = "host";
+ ahb-burst-config = <0x0>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 320a27f..057b1d4 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -689,6 +689,7 @@
clocks = <&clks IMX6SL_CLK_USBOH3>;
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc 0>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -699,6 +700,7 @@
clocks = <&clks IMX6SL_CLK_USBOH3>;
fsl,usbphy = <&usbphy2>;
fsl,usbmisc = <&usbmisc 1>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -709,6 +711,7 @@
clocks = <&clks IMX6SL_CLK_USBOH3>;
fsl,usbmisc = <&usbmisc 2>;
dr_mode = "host";
+ ahb-burst-config = <0x0>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index c94f2ea..70a7c4f 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -783,6 +783,7 @@
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc 0>;
fsl,anatop = <&anatop>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -793,6 +794,7 @@
clocks = <&clks IMX6SX_CLK_USBOH3>;
fsl,usbphy = <&usbphy2>;
fsl,usbmisc = <&usbmisc 1>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -805,6 +807,7 @@
phy_type = "hsic";
fsl,anatop = <&anatop>;
dr_mode = "host";
+ ahb-burst-config = <0x0>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index 09edbed..654009f 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -535,6 +535,7 @@
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc 0>;
fsl,anatop = <&anatop>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
@@ -545,6 +546,7 @@
clocks = <&clks IMX6UL_CLK_USBOH3>;
fsl,usbphy = <&usbphy2>;
fsl,usbmisc = <&usbmisc 1>;
+ ahb-burst-config = <0x0>;
status = "disabled";
};
--
1.9.1
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