[PATCH] arm: dts: imx8mp-evk: Add FEC PHY reset timing

Ye Li ye.li at nxp.com
Fri Feb 19 07:33:48 CET 2021


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 at 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 0bf6ef5..6a91404 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>;
 };
-- 
2.7.4



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