linux-kernel - RE: [PATCH 3/4] arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel quirk to USB nodes

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Message-ID: <PA4PR04MB9640C21A8F2DC44DB58C5C9089409@PA4PR04MB9640.eurprd04.prod.outlook.com>
Date:   Thu, 8 Sep 2022 09:12:23 +0000
From:   Jun Li <jun.li@....com>
To:     Alexander Stein <alexander.stein@...tq-group.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>
CC:     "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/4] arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel
 quirk to USB nodes



> -----Original Message-----
> From: Alexander Stein <alexander.stein@...tq-group.com>
> Sent: Wednesday, September 7, 2022 10:46 PM
> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>; Rob Herring
> <robh+dt@...nel.org>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@...aro.org>; Shawn Guo <shawnguo@...nel.org>;
> Sascha Hauer <s.hauer@...gutronix.de>; Pengutronix Kernel Team
> <kernel@...gutronix.de>; Fabio Estevam <festevam@...il.com>; dl-linux-imx
> <linux-imx@....com>; Jun Li <jun.li@....com>
> Cc: Alexander Stein <alexander.stein@...tq-group.com>;
> linux-usb@...r.kernel.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org
> Subject: [PATCH 3/4] arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel
> quirk to USB nodes
> 
> With this set the SOF/ITP counter is based on ref_clk when 2.0 ports are
> suspended.
> 
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 53493dc7d976..0e7f5842a3e4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1300,6 +1300,7 @@ usb_dwc3_0: usb@...00000 {
>  				phys = <&usb3_phy0>, <&usb3_phy0>;
>  				phy-names = "usb2-phy", "usb3-phy";
>  				snps,dis-u2-freeclk-exists-quirk;

So this property can be removed?

> +				snps,gfladj-refclk-lpm-sel-quirk;
>  			};
> 
>  		};
> @@ -1342,6 +1343,7 @@ usb_dwc3_1: usb@...00000 {
>  				phys = <&usb3_phy1>, <&usb3_phy1>;
>  				phy-names = "usb2-phy", "usb3-phy";
>  				snps,dis-u2-freeclk-exists-quirk;

Ditto.

Li Jun
> +				snps,gfladj-refclk-lpm-sel-quirk;
>  			};
>  		};
> 
> --
> 2.25.1