linux-kernel - Re: [PATCH] dt-bindings: usb: mtu3: Add ports property

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Message-ID: <ae34efcd-4fe1-4e45-a1e1-0744138a84b9@collabora.com>
Date: Thu, 20 Feb 2025 16:56:00 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Macpaul Lin <macpaul.lin@...iatek.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 Chunfeng Yun <chunfeng.yun@...iatek.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-usb@...r.kernel.org,
 Alexandre Mergnat <amergnat@...libre.com>
Cc: 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 ports property

Il 20/02/25 15:22, Macpaul Lin ha scritto:
> Define the ports property in the mediatek,mtu3 device tree binding schema.
> Include definitions for port@0 and port@1, specifying their roles as
> High Speed (HS) and Super Speed (SS) data buses, respectively.
> 
> Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>

Some SoCs do have SuperSpeed peripheral mode, so for this commit

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

> ---
>   .../devicetree/bindings/usb/mediatek,mtu3.yaml       | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> index d4e187c78a0b..21fc6bbe954f 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> @@ -155,6 +155,18 @@ properties:
>         property is used. See graph.txt
>       $ref: /schemas/graph.yaml#/properties/port
>   
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: High Speed (HS) data bus.
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Super Speed (SS) data bus.
> +
>     enable-manual-drd:
>       $ref: /schemas/types.yaml#/definitions/flag
>       description: