[PATCH 8/9] arm64: dts: imx8ulp-evk: Change the values of some PCRs of ENET

From: Peng Fan (OSS)

Date: Wed Jul 15 2026 - 08:37:45 EST


From: Wei Fang <wei.fang@xxxxxxx>

Change to use standard drive strength and slow slew rate on
PTE14-17, 22, 23, otherwise the overshoot of ENET is too high.

Signed-off-by: Wei Fang <wei.fang@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index 938ead54ff50c..81adc8a6f34cd 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
@@ -325,15 +325,15 @@ &mu {
&iomuxc1 {
pinctrl_enet: enetgrp {
fsl,pins = <
- MX8ULP_PAD_PTE15__ENET0_MDC 0x43
- MX8ULP_PAD_PTE14__ENET0_MDIO 0x43
- MX8ULP_PAD_PTE17__ENET0_RXER 0x43
+ MX8ULP_PAD_PTE15__ENET0_MDC 0x7
+ MX8ULP_PAD_PTE14__ENET0_MDIO 0x7
+ MX8ULP_PAD_PTE17__ENET0_RXER 0x7
MX8ULP_PAD_PTE18__ENET0_CRS_DV 0x43
MX8ULP_PAD_PTF1__ENET0_RXD0 0x43
MX8ULP_PAD_PTE20__ENET0_RXD1 0x43
- MX8ULP_PAD_PTE16__ENET0_TXEN 0x43
- MX8ULP_PAD_PTE23__ENET0_TXD0 0x43
- MX8ULP_PAD_PTE22__ENET0_TXD1 0x43
+ MX8ULP_PAD_PTE16__ENET0_TXEN 0x7
+ MX8ULP_PAD_PTE23__ENET0_TXD0 0x7
+ MX8ULP_PAD_PTE22__ENET0_TXD1 0x7
MX8ULP_PAD_PTE19__ENET0_REFCLK 0x43
MX8ULP_PAD_PTF10__ENET0_1588_CLKIN 0x43
>;

--
2.34.1