linux-kernel - Re: [PATCH v2 2/2] dt-bindings: usb: rockchip,dwc3: Move RK3399 to its own schema

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Message-ID: <be193659-e97f-23b9-b89c-d02205705db6@gmail.com>
Date:   Sat, 21 Jan 2023 00:40:12 +0100
From:   Johan Jonker <jbx6244@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] dt-bindings: usb: rockchip,dwc3: Move RK3399 to
 its own schema



On 1/20/23 21:30, Rob Herring wrote:
> On Wed, Jan 18, 2023 at 3:05 PM Johan Jonker <jbx6244@...il.com> wrote:
>>
>> Hi,
>>
>> Some alignment at the examples and the unknown extcon property.
>>
>> usb@...00000: 'extcon' does not match any of the regexes
> 
> Does that go in the wrapper or dwc3 node?:
> 
> arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dtb: usb@...00000:
> usb@...00000: Unevaluated properties are not allowed ('extcon' was
> unexpected)
>         From schema:
> /home/rob/proj/linux-dt/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
> 


> That's the dwc3 node, but the majority are in the wrapper node, so I'm
> going with the majority and leaving this one.

In wrapper code for rk33899 in dwc3-of-simple.c I don't see no extcon activity I think.

In core there's recently made some changes:
https://github.com/torvalds/linux/blame/master/drivers/usb/dwc3/core.c#L1710

usb: dwc3: Don't switch OTG -> peripheral if extcon is present 
https://lore.kernel.org/all/20221017233510.53336-1-andriy.shevchenko@linux.intel.com/

Binding status update for that is unknown for me.
Do whatever suites you best.

Johan
> Rob