From: Primoz Fiser Date: Thu, 7 May 2026 06:20:57 +0000 (+0200) Subject: arm64: dts: freescale: imx{91,93}-phycore-som: Adjust PHY RST drive-strength X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1b256ccc5cc3fc59a67a261d711bbbb989d7512;p=thirdparty%2Flinux.git arm64: dts: freescale: imx{91,93}-phycore-som: Adjust PHY RST drive-strength According to measurements, the PHY reset signal shows an overshoot on the rising edge that exceeds the specified limits (max 2.1V) when using X4 strength on ENET2_RXC. Reduce drive-strength to X1 to decrease the overshoot and bring signal within specification limits. Signed-off-by: Primoz Fiser Signed-off-by: Frank Li --- diff --git a/arch/arm64/boot/dts/freescale/imx91-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx91-phycore-som.dtsi index 95a6a0b1dd75..1d8adfd34e92 100644 --- a/arch/arm64/boot/dts/freescale/imx91-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx91-phycore-som.dtsi @@ -242,7 +242,7 @@ MX91_PAD_ENET2_TD1__ENET2_RGMII_TD1 0x50e MX91_PAD_ENET2_TX_CTL__ENET2_RGMII_TX_CTL 0x50e MX91_PAD_ENET2_TD2__ENET2_TX_CLK2 0x4000050e - MX91_PAD_ENET2_RXC__GPIO4_IO23 0x51e + MX91_PAD_ENET2_RXC__GPIO4_IO23 0x502 >; }; diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi index d59a89254623..5148101def31 100644 --- a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi @@ -244,7 +244,7 @@ MX93_PAD_ENET2_TD1__ENET1_RGMII_TD1 0x50e MX93_PAD_ENET2_TX_CTL__ENET1_RGMII_TX_CTL 0x50e MX93_PAD_ENET2_TD2__ENET1_TX_CLK 0x4000050e - MX93_PAD_ENET2_RXC__GPIO4_IO23 0x51e + MX93_PAD_ENET2_RXC__GPIO4_IO23 0x502 >; };