linux-kernel - Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG

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Date:   Wed, 5 Jul 2023 10:25:02 -0400
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Nate Drude <Nate.D@...iscite.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Pierluigi Passaro <pierluigi.p@...iscite.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG

On Wed, 5 Jul 2023 10:49:01 -0300
Fabio Estevam <festevam@...il.com> wrote:

> Hi Nate,
> 
> On Wed, Jul 5, 2023 at 10:42 AM Nate Drude <Nate.D@...iscite.com> wrote:
> 
> > The patch 'drivers: extcon: ptn5150: Add irq-is-id-quirk' referred to by Fabio is required for OTG to work correctly on all versions of the Symphony board.
> >
> > I can submit this patch mainline, do you think it will be accepted as is?
> 
> I think it is worth submitting it to get some feedback from the
> ptn5150 and DT maintainers.
> 
> Thanks

Hi,
if I understand correctly, the irq-is-id-quirk device tree property
would be required for newer EVK boards, but not for older boards.

How can we support both configurations with the current device tree?

Hugo.