From: Frank Li <Frank.li@nxp.com>
To: Xu Yang <xu.yang_2@nxp.com>
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
shawnguo@kernel.org, kernel@pengutronix.de, festevam@gmail.com,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: imx95: add fsl,phy-tx-vref-tune-percent tuning properties for USB3 PHY
Date: Thu, 21 Aug 2025 10:51:01 -0400 [thread overview]
Message-ID: <aKcyVbEhHOE3O2cT@lizhi-Precision-Tower-5810> (raw)
In-Reply-To: <20250821110828.20980-1-xu.yang_2@nxp.com>
On Thu, Aug 21, 2025 at 07:08:28PM +0800, Xu Yang wrote:
> Add it to improve USB signal quality.
>
> Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
> 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 46f6e0fbf2b0..f0aff01cefbf 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> @@ -1082,6 +1082,7 @@ &usb3_phy {
> 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 2f949a0d48d2..064bc508eb1b 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> @@ -622,6 +622,7 @@ &usb3_phy {
> 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
>
next prev parent reply other threads:[~2025-08-21 14:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 11:08 [PATCH] arm64: dts: imx95: add fsl,phy-tx-vref-tune-percent tuning properties for USB3 PHY Xu Yang
2025-08-21 14:51 ` Frank Li [this message]
2025-08-22 9:47 ` Shawn Guo
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