linux-kernel - Re: [PATCH] dt-bindings: usb: mtu3: add mediatek,usb3-drd property

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Message-ID: <20241015222046.GA2164669-robh@kernel.org>
Date: Tue, 15 Oct 2024 17:20:46 -0500
From: Rob Herring <robh@...nel.org>
To: Macpaul Lin <macpaul.lin@...iatek.com>
Cc: Chunfeng Yun <chunfeng.yun@...iatek.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	ChiYuan Huang <cy_huang@...htek.com>, linux-usb@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Bear Wang <bear.wang@...iatek.com>,
	Pablo Sun <pablo.sun@...iatek.com>, Macpaul Lin <macpaul@...il.com>,
	Project_Global_Chrome_Upstream_Group@...iatek.com,
	Chris-qj chen <chris-qj.chen@...iatek.com>
Subject: Re: [PATCH] dt-bindings: usb: mtu3: add mediatek,usb3-drd property

On Wed, Oct 16, 2024 at 01:21:00AM +0800, Macpaul Lin wrote:
> Add optional 'mediatek,usb3-drd' property to MediaTek MTU3 DT Schema.
> This flag specify whether it is a USB3 Dual-role device hardware.
> 
> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
> ---
>  Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> index d4e187c78a0b..1e70af0dac82 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> @@ -155,6 +155,12 @@ properties:
>        property is used. See graph.txt
>      $ref: /schemas/graph.yaml#/properties/port
>  
> +  mediatek,usb3-drd:
> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      Specify whether it is a USB3 Dual-role device hardware.
> +    type: boolean
> +

Don't the standard properties such as usb-role-switch or dr_mode work 
for you?

>    enable-manual-drd:
>      $ref: /schemas/types.yaml#/definitions/flag
>      description:
> -- 
> 2.45.2
>