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ARM: dts: imx6sx-sdb: update TX D_CAL for USBPHY
authorPeter Chen <peter.chen@nxp.com>
Mon, 31 Oct 2016 02:58:28 +0000 (10:58 +0800)
committerShawn Guo <shawnguo@kernel.org>
Mon, 7 Nov 2016 02:04:57 +0000 (10:04 +0800)
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>
arch/arm/boot/dts/imx6sx-sdb.dtsi patch | blob | blame | history

diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index 7327bcde843f2bb6b091c2fc12b9ab5631287e9d..da815527a7f8f1c9a2bbc667f9725fc24baed585 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -290,6 +290,14 @@
        status = "okay";
 };
 
+&usbphy1 {
+       fsl,tx-d-cal = <106>;
+};
+
+&usbphy2 {
+       fsl,tx-d-cal = <106>;
+};
+
 &usdhc2 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_usdhc2>;