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From: Xu Yang <xu.yang_2@nxp.com>
To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
	Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de,
	festevam@gmail.com
Cc: devicetree@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, jun.li@nxp.com
Subject: [PATCH v2 4/6] arm64: dts: imx8mp-evk: add usb3_phy1 tuning properties
Date: Mon, 27 Apr 2026 16:27:26 +0800	[thread overview]
Message-ID: <20260427082728.3641872-4-xu.yang_2@nxp.com> (raw)
In-Reply-To: <20260427082728.3641872-1-xu.yang_2@nxp.com>

Add some tuning properties for usb3_phy1 to improve signal.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>

---
Changes in v2:
 - new patch
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 9ffbb5c04f69..9dab374e425a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -909,6 +909,8 @@ usb3_data_hs: endpoint {
 };
 
 &usb3_phy1 {
+	fsl,phy-tx-preemp-amp-tune-microamp = <1800>;
+	fsl,phy-tx-vref-tune-percent = <116>;
 	status = "okay";
 };
 
-- 
2.34.1



  parent reply	other threads:[~2026-04-27  8:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-27  8:27 [PATCH v2 1/6] arm64: dts: imx8mp: reorder usb related nodes Xu Yang
2026-04-27  8:27 ` [PATCH v2 2/6] arm64: dts: imx8mp: switch usb controller to flattened model Xu Yang
2026-04-27  8:27 ` [PATCH v2 3/6] arm64: dts: imx8mp-evk: add typec node Xu Yang
2026-04-27  8:27 ` Xu Yang [this message]
2026-04-27  8:27 ` [PATCH v2 5/6] arm64: dts: imx95: switch usb3 controller to flattened model Xu Yang
2026-04-27  8:27 ` [PATCH v2 6/6] arm64: dts: imx8mq-evk: add typec node Xu Yang

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