From 04c9dd9c7d19c44c2290373129793213a198552c Mon Sep 17 00:00:00 2001 From: Xu Yang Date: Fri, 6 Jun 2025 15:00:42 -0400 Subject: [PATCH] arm64: dts: imx95-evk: add USB3 PHY tuning properties Add USB3 PHY tuning properties for imx95-15x15-evk and imx95-19x19-evk boards according to signal measurement results. Signed-off-by: Xu Yang Signed-off-by: Frank Li Reviewed-by: Peng Fan Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 3 +++ arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 3 +++ 2 files changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts index 86b6f4359cc1d..b4282074d18e9 100644 --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts @@ -1078,7 +1078,10 @@ &usb3_phy { orientation-switch; + fsl,phy-pcs-tx-deemph-3p5db-attenuation-db = <17>; + fsl,phy-pcs-tx-swing-full-percent = <100>; fsl,phy-tx-preemp-amp-tune-microamp = <600>; + fsl,phy-tx-vboost-level-microvolt = <1156>; status = "okay"; port { diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts index 5d85849e867fc..ea70ef4e85690 100644 --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts @@ -615,7 +615,10 @@ }; &usb3_phy { + fsl,phy-pcs-tx-deemph-3p5db-attenuation-db = <17>; + fsl,phy-pcs-tx-swing-full-percent = <100>; fsl,phy-tx-preemp-amp-tune-microamp = <600>; + fsl,phy-tx-vboost-level-microvolt = <1156>; orientation-switch; status = "okay"; -- 2.51.0