[PATCH] arm64: dts: imx95: add some USB3 PHY tuning properties

[Xu Yang]

Add some USB3 PHY tuning properties to imx95-15x15-evk and
imx95-19x19-evk boards to improve USB signal quality.

Reviewed-by: Jun Li <jun.li at nxp.com>
Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 6 +++++-
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 4 ++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 6c47f4b47356..b26e9db7832a 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -1069,8 +1069,12 @@ usb3_data_hs: endpoint {
 };
 
 &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>;
+	fsl,phy-tx-vref-tune-percent = <100>;
+	orientation-switch;
 	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 6886ea766655..e212f12f869a 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -514,7 +514,11 @@ usb3_data_hs: endpoint {
 };
 
 &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>;
+	fsl,phy-tx-vref-tune-percent = <100>;
 	orientation-switch;
 	status = "okay";
 
-- 
2.34.1