[PATCH 1/2] ARM: dts: imx6sx-sdb: update TX D_CAL for USBPHY
Peter Chen
peter.chen at nxp.com
Sun Oct 30 19:58:28 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/imx6sx-sdb.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index 85f56a5..4933c56 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -317,6 +317,14 @@
status = "okay";
};
+&usbphy1 {
+ fsl,tx-d-cal = <106>;
+};
+
+&usbphy2 {
+ fsl,tx-d-cal = <106>;
+};
+
&usdhc2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc2>;
--
2.7.4
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