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

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Date:   Wed, 5 Jul 2023 11:34:19 -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 12:22:55 -0300
Fabio Estevam <festevam@...il.com> wrote:

> Hi Hugo,
> 
> On Wed, Jul 5, 2023 at 11:48 AM Hugo Villeneuve <hugo@...ovil.com> wrote:
> 
> > Fabio: do we need to support both configurations in the Linux kernel
> > tree, and if yes how do you propose we do it?
> 
> I would suggest supporting the new revision only.

Ok, no problem.

If we go back to my original patch, the changes in it, apart from the
interrupt, are still required to make USB OTG work (at least in host
mode, so that we can plug a USB key for example). Also looking at the
latest varigit changes, I have removed the "typec1_con:
connector" node (tested ok in host mode). I also added comments in the
DTS about the particular PTN5150 interrupt pin configurations.

Let me know if I can resubmit it, and if so can I leave the interrupt
property type to IRQ_TYPE_NONE?

Thank you,
Hugo.