ARM: dts: imx6-tx6: increase phy-reset-duration to prevent PHY detection errors

When configured with CONFIG_HZ_1000 the kernel may sometimes not be
able to initialize the ethernet PHY.
Increasing the PHY reset duration to 2ms alleviates this problem.

diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
index 5d0f8c34d54eaf81f6845d9060f397b1757ce21e..c7de73a0126100d434ea2d71ccac8c20f15dd2a0 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
@@ -249,6 +249,7 @@
        clock-names = "ipg", "ahb", "ptp", "enet_out";
        phy-mode = "rmii";
        phy-reset-gpios = <&gpio7 6 GPIO_ACTIVE_HIGH>;
+       phy-reset-duration = <2>;
        phy-handle = <&etnphy>;
        phy-supply = <&reg_3v3_etn>;
        status = "okay";