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

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Message-ID: <fd173075-df66-4ee7-a9fa-07e840976f26@collabora.com>
Date: Mon, 24 Feb 2025 13:18:55 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Chunfeng Yun (云春峰) <Chunfeng.Yun@...iatek.com>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
 "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 Macpaul Lin (林智斌) <Macpaul.Lin@...iatek.com>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>,
 "robh@...nel.org" <robh@...nel.org>,
 Alexandre Mergnat <amergnat@...libre.com>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
 "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
 "krzk+dt@...nel.org" <krzk+dt@...nel.org>
Cc: "macpaul@...il.com" <macpaul@...il.com>,
 Bear Wang (萩原惟德) <bear.wang@...iatek.com>,
 Chris-qj Chen (陳奇進)
 <Chris-qj.Chen@...iatek.com>, Pablo Sun (孫毓翔)
 <pablo.sun@...iatek.com>,
 Project_Global_Chrome_Upstream_Group
 <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH] dt-bindings: usb: mtu3: Add ports property

Il 22/02/25 09:35, Chunfeng Yun (云春峰) ha scritto:
> On Thu, 2025-02-20 at 22:22 +0800, Macpaul Lin wrote:
>> 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>
>> ---
>>   .../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:
> Reviewed-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> 
> Thank you
> 

Is everyone okay if I pick this (and the XHCI one [1]) in the MediaTek trees?

This is so that I don't get devicetree warnings when picking the DT patches
that are adding USB MUX/TCPC to the MediaTek boards.

[1]: 
https://lore.kernel.org/r/20250220105514.43107-2-angelogioacchino.delregno@collabora.com

Thanks,
Angelo