Messages in this thread Patch in this message | | | From | Nikita Yushchenko <> | Subject | [PATCH] ARM: dts: imx51-zii-rdu1: limit usbh1 to full-speed | Date | Tue, 15 May 2018 11:45:02 +0300 |
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On RDU1, imx51 usbh1 interface is either not used, or used via external block that breaks USB2 signalling.
To keep things working if high-speed device gets connected to that block, use ChipIdea feature to limit port to full speed.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> --- arch/arm/boot/dts/imx51-zii-rdu1.dts | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts b/arch/arm/boot/dts/imx51-zii-rdu1.dts index 36a63ae52e48..c26f053f29b0 100644 --- a/arch/arm/boot/dts/imx51-zii-rdu1.dts +++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts @@ -603,6 +603,7 @@ phy_type = "ulpi"; fsl,usbphy = <&usbh1phy>; disable-over-current; + maximum-speed = "full-speed"; vbus-supply = <®_5p0v_main>; status = "okay"; }; -- 2.11.0
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