From 5a796a700ff8a26b8c17bfa5b789dd24ce19c3b6 Mon Sep 17 00:00:00 2001 From: Xu Yang Date: Thu, 21 Aug 2025 19:08:28 +0800 Subject: [PATCH] arm64: dts: imx95: add fsl,phy-tx-vref-tune-percent tuning properties for USB3 PHY Add it to improve USB signal quality. Signed-off-by: Xu Yang Reviewed-by: Frank Li Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 1 + arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts index 3c23022923e68..148243470dd4a 100644 --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts @@ -1099,6 +1099,7 @@ fsl,phy-pcs-tx-swing-full-percent = <100>; fsl,phy-tx-preemp-amp-tune-microamp = <600>; fsl,phy-tx-vboost-level-microvolt = <1156>; + fsl,phy-tx-vref-tune-percent = <100>; 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 1a9454ea531d0..84ac7d5a31c36 100644 --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts @@ -643,6 +643,7 @@ fsl,phy-pcs-tx-swing-full-percent = <100>; fsl,phy-tx-preemp-amp-tune-microamp = <600>; fsl,phy-tx-vboost-level-microvolt = <1156>; + fsl,phy-tx-vref-tune-percent = <100>; orientation-switch; status = "okay"; -- 2.47.3