linux-kernel - Re: [PATCH 1/1] arm64: dts: rockchip: default to host mode for USB on Radxa E25

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Message-ID: <6EFDC4E74A617E25+ed534e8a-fef0-4f09-a24b-a536b7f2f13b@radxa.com>
Date: Sun, 15 Dec 2024 21:36:19 +0900
From: FUKAUMI Naoki <naoki@...xa.com>
To: Chukun Pan <amadeus@....edu.cn>, Heiko Stuebner <heiko@...ech.de>
Cc: Conor Dooley <conor+dt@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/1] arm64: dts: rockchip: default to host mode for USB on
 Radxa E25

Hi Chukun,

Could you check Product Brief P.4?

  https://dl.radxa.com/cm3i/e25/radxa_e25_product_brief.pdf

There is "USB3.0 OTG Switch".

Best regards,

--
FUKAUMI Naoki
Radxa Computer (Shenzhen) Co., Ltd.

On 12/15/24 17:38, Chukun Pan wrote:
> The Radxa E25 board has only one USB3.0 Type A connector,
> changing it to host mode is more appropriate.
> 
> Cc: FUKAUMI Naoki <naoki@...xa.com>
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---
>   arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> index 98cfa3abb809..90a3cb54fd47 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> @@ -218,6 +218,7 @@ &usb_host0_ohci {
>   };
>   
>   &usb_host0_xhci {
> +	dr_mode = "host";
>   	status = "okay";
>   };
>