From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Subject: [PATCH v3 05/10] ARM: imx6: set ahb-burst-config as 0 for USB Date: Fri, 7 Aug 2015 15:15:42 +0800 Message-ID: <1438931747-25209-6-git-send-email-peter.chen@freescale.com> References: <1438931747-25209-1-git-send-email-peter.chen@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1438931747-25209-1-git-send-email-peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, Peter Chen List-Id: devicetree@vger.kernel.org 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 --- 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 e6d1359..42d62b0 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -853,6 +853,7 @@ clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -864,6 +865,7 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -874,6 +876,7 @@ clocks = <&clks IMX6QDL_CLK_USBOH3>; fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -884,6 +887,7 @@ 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 a78e715..066fac9 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -688,6 +688,7 @@ clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -698,6 +699,7 @@ clocks = <&clks IMX6SL_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -708,6 +710,7 @@ 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 708175d..3656a1d 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -746,6 +746,7 @@ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -756,6 +757,7 @@ clocks = <&clks IMX6SX_CLK_USBOH3>; fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; + ahb-burst-config = <0x0>; status = "disabled"; }; @@ -768,6 +770,7 @@ phy_type = "hsic"; fsl,anatop = <&anatop>; dr_mode = "host"; + ahb-burst-config = <0x0>; status = "disabled"; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html