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ARM: dts: imx6qdl-icore: Add fec phy-handle

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LAN8720 needs a reset of every clock enable. The reset needs
to be done at device level, due the flag PHY_RST_AFTER_CLK_EN.

So, add phy-handle by creating mdio child node inside fec.
This will eventually move the phy-reset-gpio which is defined
in fec node.

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Michael Trimarchi 2019-12-30 17:30:21 +05:30 committed by Shawn Guo
parent b3d18de3e8
commit 99c2e3793f
1 changed files with 14 additions and 1 deletions
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15
arch/arm/boot/dts/imx6qdl-icore.dtsi
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@ -150,10 +150,23 @@ &clks {
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
phy-reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
clocks = <&clks IMX6QDL_CLK_ENET>, <&clks IMX6QDL_CLK_ENET>, <&rmii_clk>;
phy-mode = "rmii";
phy-handle = <&eth_phy>;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
eth_phy: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0>;
reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
reset-assert-us = <4000>;
reset-deassert-us = <4000>;
};
};
};
&gpmi {