[PATCH] ARM: dts: imx: b650v3: Calibrate USB PHY to pass eye diagram test

[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 <jaret.cantu at timesys.com>
---
 arch/arm/boot/dts/imx6q-b650v3.dts |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/imx6q-b650v3.dts b/arch/arm/boot/dts/imx6q-b650v3.dts
index 33cb71a..c266bd2 100644
--- a/arch/arm/boot/dts/imx6q-b650v3.dts
+++ b/arch/arm/boot/dts/imx6q-b650v3.dts
@@ -89,3 +89,9 @@
 		};
 	};
 };
+
+&usbphy1 {
+	fsl,tx-cal-45-dn-ohms = <55>;
+	fsl,tx-cal-45-dp-ohms = <55>;
+	fsl,tx-d-cal = <100>;
+};
-- 
1.7.10.4