ARM: dts: imx6ul-txul: specify ethernet phy reset post-delay

Under certain circumstances the ethernet PHY cannot be detected on
Ka-Ro electronics TXUL modules. Using a phy-reset-post-delay of > 5ms
alleviates this problem. Specify a value of 10ms to be on the safe side.

diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
index d30c4e05e624878a4847ac40038d39924cb30ae4..9e2a96617d5b763a13f669bd95d77ffe57ed338c 100644 (file)
--- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
@@ -308,6 +308,7 @@
        pinctrl-0 = <&pinctrl_enet1 &pinctrl_enet1_mdio &pinctrl_etnphy0_rst>;
        phy-mode = "rmii";
        phy-reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>;
+       phy-reset-post-delay = <10>;
        phy-supply = <&reg_3v3_etn>;
        phy-handle = <&etnphy0>;
        status = "okay";