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authorPeter Chen <peter.chen@freescale.com>2015-09-30 05:17:17 +0300
committerShawn Guo <shawnguo@kernel.org>2015-12-22 15:41:51 +0300
commit2b1a40e8d182a9f7779ba4fe54c5b73980c215b0 (patch)
tree4c86dcd70c3a52570540d90568327ba60f364457 /arch/arm/boot/dts/imx6qdl.dtsi
parent9493bf5458e936b88e5d3a33f9ed09bc5c1263b0 (diff)
downloadlinux-2b1a40e8d182a9f7779ba4fe54c5b73980c215b0.tar.xz
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>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl.dtsi')
-rw-r--r--arch/arm/boot/dts/imx6qdl.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 3234eb9aba94..b98a41664855 100644
--- 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";
};