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authorPrimoz Fiser <primoz.fiser@norik.com>2026-05-07 08:20:57 +0200
committerFrank Li <Frank.Li@nxp.com>2026-05-19 14:53:45 -0400
commite1b256ccc5cc3fc59a67a261d711bbbb989d7512 (patch)
tree83d523afaf564d734bfcb562918ec8a0e5c73973
parent5601ee1b64da17d2df2e657a7f1582ad468ed4d2 (diff)
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 <primoz.fiser@norik.com> Signed-off-by: Frank Li <Frank.Li@nxp.com>
-rw-r--r--arch/arm64/boot/dts/freescale/imx91-phycore-som.dtsi2
-rw-r--r--arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi2
2 files changed, 2 insertions, 2 deletions
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
>;
};