[PATCH 4/4] ARM: dts: imx6: phycore-som: Add reset-assert-us for PHY reset

Primoz Fiser primoz.fiser at norik.com
Wed Sep 30 03:25:32 PDT 2026


Without an explicit reset-assert-us, Ethernet PHY probing occasionally
fails. Set it to a 10 ms for a more robust PHY reset pulse.

Signed-off-by: Primoz Fiser <primoz.fiser at norik.com>
---
 arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-phycore-som.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-phycore-som.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-phycore-som.dtsi
index 88eabc7af6b7..16e00375f474 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-phycore-som.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-phycore-som.dtsi
@@ -65,6 +65,7 @@ mdio {
 		ethphy: ethernet-phy at 3 {
 			reg = <3>;
 			reset-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
 			txc-skew-ps = <1680>;
 			rxc-skew-ps = <1860>;
 		};
-- 
2.34.1




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