[PATCH 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed

Wed, 29 May 2019 00:19:22 -0700 

Cabling used to connect devices to USBH1 on RDU2 does not meet USB
spec cable quality and cable length requirements to operate at High
Speed, so limit the port to Full Speed only.

Reported-by: Chris Healy <[email protected]>
Reviewed-by: Chris Healy <[email protected]>
Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
 arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi 
b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 04d4d4d7e43c..e1d8478884f9 100644
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -805,6 +805,7 @@
 &usbh1 {
        vbus-supply = <&reg_5p0v_main>;
        disable-over-current;
+       maximum-speed = "full-speed";
        status = "okay";
 };
 
-- 
2.21.0

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