diff options
| author | Peter Chen <peter.chen@freescale.com> | 2015-09-30 05:17:17 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2015-12-22 15:41:51 +0300 |
| commit | 2b1a40e8d182a9f7779ba4fe54c5b73980c215b0 (patch) | |
| tree | 4c86dcd70c3a52570540d90568327ba60f364457 /arch/arm/boot | |
| parent | 9493bf5458e936b88e5d3a33f9ed09bc5c1263b0 (diff) | |
| download | linux-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')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl.dtsi | 8 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sl.dtsi | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sx.dtsi | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6ul.dtsi | 4 |
4 files changed, 24 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"; }; diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index 3e8653a13fe0..ebeae8f76436 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -709,6 +709,8 @@ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -720,6 +722,8 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -731,6 +735,8 @@ fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index ea29e2e45875..64608e2299f1 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -784,6 +784,8 @@ fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -795,6 +797,8 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -808,6 +812,8 @@ fsl,anatop = <&anatop>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index 9b83f767b324..0e9716b79db8 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -549,6 +549,8 @@ fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -560,6 +562,8 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; |