From: Xu Yang <xu.yang_2@nxp.com>
Date: Fri, 6 Jun 2025 19:00:42 +0000 (-0400)
Subject: arm64: dts: imx95-evk: add USB3 PHY tuning properties
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=04c9dd9c7d19c44c2290373129793213a198552c;p=users%2Fjedix%2Flinux-maple.git

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 <xu.yang_2@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

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";