ARM: dts: imx6ul-14x14-evk: update TX D_CAL for USBPHY

We need to change trimming value (as a percentage) of the 17.78mA TX
reference current for better signal quality. With this change, we
can pass the eye-diagram test on this board.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dts b/arch/arm/boot/dts/imx6ul-14x14-evk.dts
index c5cf942..00f98e5 100644 (file)
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dts
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dts
@@ -235,6 +235,14 @@
        status = "okay";
 };
 
+&usbphy1 {
+       fsl,tx-d-cal = <106>;
+};
+
+&usbphy2 {
+       fsl,tx-d-cal = <106>;
+};
+
 &usdhc1 {
        pinctrl-names = "default", "state_100mhz", "state_200mhz";
        pinctrl-0 = <&pinctrl_usdhc1>;