linux-kernel - Re: [PATCH 2/2] usb: dwc3-exynos: add support for ExynosAutov920

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Message-ID: <20250514224853.6eivsv5iwekrkeoa@synopsys.com>
Date: Wed, 14 May 2025 22:48:59 +0000
From: Thinh Nguyen <Thinh.Nguyen@...opsys.com>
To: Pritam Manohar Sutar <pritam.sutar@...sung.com>
CC: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "robh@...nel.org" <robh@...nel.org>,
        "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
        "linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "rosa.pila@...sung.com" <rosa.pila@...sung.com>,
        "dev.tailor@...sung.com" <dev.tailor@...sung.com>,
        "faraz.ata@...sung.com" <faraz.ata@...sung.com>,
        "muhammed.ali@...sung.com" <muhammed.ali@...sung.com>,
        "selvarasu.g@...sung.com" <selvarasu.g@...sung.com>
Subject: Re: [PATCH 2/2] usb: dwc3-exynos: add support for ExynosAutov920

On Wed, May 14, 2025, Pritam Manohar Sutar wrote:
> This SoC has a DWC3 compatible controllers. It needs "ref" and
> "susp_clk" for it's operation.
> 
> Add required changes in exynos dwc3 glue layer to support this SoC.
> 
> Signed-off-by: Pritam Manohar Sutar <pritam.sutar@...sung.com>
> ---
>  drivers/usb/dwc3/dwc3-exynos.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
> index 20abc6a4e824..a8f97d2b31ae 100644
> --- a/drivers/usb/dwc3/dwc3-exynos.c
> +++ b/drivers/usb/dwc3/dwc3-exynos.c
> @@ -187,6 +187,12 @@ static const struct dwc3_exynos_driverdata gs101_drvdata = {
>  	.suspend_clk_idx = 1,
>  };
>  
> +static const struct dwc3_exynos_driverdata exynosautov920_drvdata = {
> +	.clk_names = { "ref", "susp_clk"},
> +	.num_clks = 2,
> +	.suspend_clk_idx = 1,
> +};
> +
>  static const struct of_device_id exynos_dwc3_match[] = {
>  	{
>  		.compatible = "samsung,exynos2200-dwusb3",
> @@ -209,6 +215,9 @@ static const struct of_device_id exynos_dwc3_match[] = {
>  	}, {
>  		.compatible = "google,gs101-dwusb3",
>  		.data = &gs101_drvdata,
> +	}, {
> +		.compatible = "samsung,exynosautov920-dwusb3",
> +		.data = &exynosautov920_drvdata,

Would be nice to group this compatible string along with the other
samsung compatibles above and in order.

Regardless,

Acked-by: Thinh Nguyen <Thinh.Nguyen@...opsys.com>

BR,
Thinh

>  	}, {
>  	}
>  };
> -- 
> 2.34.1
>