linux-kernel - Re: [PATCH] arm64: dts: imx8mq: update usb compatible string

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Message-ID: <20230131092455.2s63zr6d56v2u6ka@pengutronix.de>
Date:   Tue, 31 Jan 2023 10:24:55 +0100
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de,
        devicetree@...r.kernel.org, Peng Fan <peng.fan@....com>,
        krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, linux-imx@....com, kernel@...gutronix.de,
        festevam@...il.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: imx8mq: update usb compatible string

Hi,

On 23-01-31, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> There is no fsl,imx8mq-dwc3 binding doc, no driver use this compatible
> string. Drop it.

please don't. I'm not aware of the driver state but the compatibles are
there for _possible_ quirk handling, so the driver can add a match on
demand.

Regards,
  Marco


> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mq.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index d59156fdee0b..d308f94a7c52 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -1431,7 +1431,7 @@ gpu: gpu@...00000 {
>  		};
>  
>  		usb_dwc3_0: usb@...00000 {
> -			compatible = "fsl,imx8mq-dwc3", "snps,dwc3";
> +			compatible = "snps,dwc3";
>  			reg = <0x38100000 0x10000>;
>  			clocks = <&clk IMX8MQ_CLK_USB1_CTRL_ROOT>,
>  			         <&clk IMX8MQ_CLK_USB_CORE_REF>,
> @@ -1463,7 +1463,7 @@ usb3_phy0: usb-phy@...f0040 {
>  		};
>  
>  		usb_dwc3_1: usb@...00000 {
> -			compatible = "fsl,imx8mq-dwc3", "snps,dwc3";
> +			compatible = "snps,dwc3";
>  			reg = <0x38200000 0x10000>;
>  			clocks = <&clk IMX8MQ_CLK_USB2_CTRL_ROOT>,
>  			         <&clk IMX8MQ_CLK_USB_CORE_REF>,
> -- 
> 2.37.1
> 
> 
>