[PATCH 2/2] ARM: dts: imx6ul-14x14-evk: update TX D_CAL for USBPHY
Peter Chen
peter.chen at nxp.com
Sun Oct 30 19:58:29 PDT 2016
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 patch the eye-diagram test on this board.
Signed-off-by: Peter Chen <peter.chen at nxp.com>
---
arch/arm/boot/dts/imx6ul-14x14-evk.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dts b/arch/arm/boot/dts/imx6ul-14x14-evk.dts
index 53f0cf8..1867c69 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dts
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dts
@@ -233,6 +233,14 @@
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>;
--
2.7.4
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