From 9493bf5458e936b88e5d3a33f9ed09bc5c1263b0 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Wed, 30 Sep 2015 10:17:16 +0800 Subject: [PATCH] ARM: dts: imx6: set ahb-burst-config as 0 for USB 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 Signed-off-by: Shawn Guo --- 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 2b6cc8bf3c5c..3234eb9aba94 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -906,6 +906,7 @@ usbotg: usb@02184000 { clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -917,6 +918,7 @@ usbh1: usb@02184200 { fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -927,6 +929,7 @@ usbh2: usb@02184400 { clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -937,6 +940,7 @@ usbh3: usb@02184600 { 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 d8ba99f1d87b..3e8653a13fe0 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -708,6 +708,7 @@ usbotg1: usb@02184000 { clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -718,6 +719,7 @@ usbotg2: usb@02184200 { clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -728,6 +730,7 @@ usbh: usb@02184400 { 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 167f77b3bd43..ea29e2e45875 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -783,6 +783,7 @@ usbotg1: usb@02184000 { fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -793,6 +794,7 @@ usbotg2: usb@02184200 { clocks = <&clks IMX6SX_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -805,6 +807,7 @@ usbh: usb@02184400 { 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 d00e994bdbd2..9b83f767b324 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -548,6 +548,7 @@ usbotg1: usb@02184000 { fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -558,6 +559,7 @@ usbotg2: usb@02184200 { clocks = <&clks IMX6UL_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; };