linux-kernel - Re: [PATCH v2 3/3] arm64: dts: exynos: ExynosAutov920: Enable USB nodes

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Message-ID: <6f381f88-3a51-4fc8-844c-41b167b07628@kernel.org>
Date: Thu, 22 Jan 2026 14:35:03 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Pritam Manohar Sutar <pritam.sutar@...sung.com>, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, alim.akhtar@...sung.com
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
 rosa.pila@...sung.com, dev.tailor@...sung.com, faraz.ata@...sung.com,
 muhammed.ali@...sung.com, selvarasu.g@...sung.com
Subject: Re: [PATCH v2 3/3] arm64: dts: exynos: ExynosAutov920: Enable USB
 nodes

On 22/01/2026 14:07, Pritam Manohar Sutar wrote:
> Enable USB PHY and DWC3 USB controllers' nodes.
> 
> Signed-off-by: Pritam Manohar Sutar <pritam.sutar@...sung.com>
> ---
>  .../boot/dts/exynos/exynosautov920-sadk.dts   | 21 +++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
> index f90f7704597c..5896dd69334a 100644
> --- a/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
> +++ b/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
> @@ -160,15 +160,20 @@ &xtcxo {
>  &usbdrd31_ssphy {
>  	dvdd-supply = <&dummy_regulator>;
>  	vdd18-supply = <&dummy_regulator>;
> +	status = "okay";

You just added the node in the previous patch, so why it cant be enavled
there?

>  };
>  
>  &usbdrd31_hsphy {
>  	dvdd-supply = <&dummy_regulator>;
>  	vdd18-supply = <&dummy_regulator>;
>  	vdd33-supply = <&dummy_regulator>;
> +	status = "okay";
>  };
>  
>  &usbdrd31_dwc3 {
> +	dr_mode = "otg";
> +	usb-role-switch;
> +	role-switch-default-mode = "peripheral";

Why did you add incomplete node in previous commit?


Best regards,
Krzysztof