ARM: dts: imx: b650v3: Calibrate USB PHY to pass eye diagram test
Subsystems (2)
PATCH 1/1 ARM: dts: imx: b650v3: Calibrate USB PHY to pass eye diagram test
Calibrate the USB PHY TX settings to pass the eye diagram signal integrity test. The settings are taken from the i.MX6 reference manual's recommended configuration for USB certification (66.2.6).
Signed-off-by Jaret Cantu <[email protected]>
--- arch/arm/boot/dts/imx6q-b650v3.dts | 6 ++++++ 1 file changed, 6 insertions(+)
arch/arm/boot/dts/imx6q-b650v3.dts +6 -0
@@ -89,3 +89,9 @@ }; }; }; + +&usbphy1 { + fsl,tx-cal-45-dn-ohms = <55>; + fsl,tx-cal-45-dp-ohms = <55>; + fsl,tx-d-cal = <100>; +};
Signature · 1 line
1.7.10.4
Shawn Guo
AppliedPATCH 1/1 ARM: dts: imx: b650v3: Calibrate USB PHY to pass eye diagram test
Quoted 5 lines · Jaret Cantu
Calibrate the USB PHY TX settings to pass the eye diagram signal integrity test. The settings are taken from the i.MX6 reference manual's recommended configuration for USB certification (66.2.6).
Signed-off-by Jaret Cantu <[email protected]>
Applied, thanks.