From f19d1a946c9bd2bb5d58690448a517bebbd0b474 Mon Sep 17 00:00:00 2001
From: Ye Li <ye.li@nxp.com>
Date: Thu, 18 Feb 2021 22:33:48 -0800
Subject: [PATCH] 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>
---
arch/arm/dts/imx8mp-evk-u-boot.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/dts/imx8mp-evk-u-boot.dtsi b/arch/arm/dts/imx8mp-evk-u-boot.dtsi
index 0bf6ef5843..6a91404d7b 100644
--- a/arch/arm/dts/imx8mp-evk-u-boot.dtsi
+++ b/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>;
};
--
2.39.5