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arm: dts: imx8mp-evk: Add FEC PHY reset timing

Add phy-reset-duration and phy-reset-post-delay to FEC node for PHY
reset, otherwise the PHY does not work correctly.

Signed-off-by: Ye Li <ye.li@nxp.com>
Ye Li 3 years ago
parent
commit
f19d1a946c
1 changed files with 2 additions and 0 deletions
  1. 2 0
      arch/arm/dts/imx8mp-evk-u-boot.dtsi

+ 2 - 0
arch/arm/dts/imx8mp-evk-u-boot.dtsi

@@ -142,4 +142,6 @@
 
 &fec {
 	phy-reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <15>;
+	phy-reset-post-delay = <100>;
 };