Re: [PATCH 2/3] arm64: dts: imx95-15x15-evk: fix the overshoot issue of NETC

Frank Li
2025-05-28T15:08:19Z

On Wed, May 28, 2025 at 04:34:32PM +0800, Wei Fang wrote:
> The overshoot of MDIO, MDC, ENET1_TDx and ENET2_TDx is too high, so
> reduce the drive strength of these pins.
>
> Fixes: e3e8b199aff8 ("arm64: dts: imx95: Add imx95-15x15-evk support")
> Signed-off-by: Wei Fang <wei.fang@nxp.com>

Reviewed-by: Frank Li <Frank.Li@nxp.com>

> ---
> .../boot/dts/freescale/imx95-15x15-evk.dts | 20 +++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> index 6c47f4b47356..9f4d0899a94d 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> @@ -574,17 +574,17 @@ &sai3 {
> &scmi_iomuxc {
> pinctrl_emdio: emdiogrp {
> fsl,pins = <
> - IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC 0x57e
> - IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO 0x97e
> + IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC 0x50e
> + IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO 0x90e
> >;
> };
>
> pinctrl_enetc0: enetc0grp {
> fsl,pins = <
> - IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x57e
> - IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x57e
> - IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x57e
> - IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x57e
> + IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x50e
> + IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x50e
> + IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x50e
> + IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x50e
> IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL 0x57e
> IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK 0x58e
> IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL 0x57e
> @@ -598,10 +598,10 @@ IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3 0x57e
>
> pinctrl_enetc1: enetc1grp {
> fsl,pins = <
> - IMX95_PAD_ENET2_TD3__NETCMIX_TOP_ETH1_RGMII_TD3 0x57e
> - IMX95_PAD_ENET2_TD2__NETCMIX_TOP_ETH1_RGMII_TD2 0x57e
> - IMX95_PAD_ENET2_TD1__NETCMIX_TOP_ETH1_RGMII_TD1 0x57e
> - IMX95_PAD_ENET2_TD0__NETCMIX_TOP_ETH1_RGMII_TD0 0x57e
> + IMX95_PAD_ENET2_TD3__NETCMIX_TOP_ETH1_RGMII_TD3 0x50e
> + IMX95_PAD_ENET2_TD2__NETCMIX_TOP_ETH1_RGMII_TD2 0x50e
> + IMX95_PAD_ENET2_TD1__NETCMIX_TOP_ETH1_RGMII_TD1 0x50e
> + IMX95_PAD_ENET2_TD0__NETCMIX_TOP_ETH1_RGMII_TD0 0x50e
> IMX95_PAD_ENET2_TX_CTL__NETCMIX_TOP_ETH1_RGMII_TX_CTL 0x57e
> IMX95_PAD_ENET2_TXC__NETCMIX_TOP_ETH1_RGMII_TX_CLK 0x58e
> IMX95_PAD_ENET2_RX_CTL__NETCMIX_TOP_ETH1_RGMII_RX_CTL 0x57e
> --
> 2.34.1
>