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Date:   Wed, 5 Jul 2023 11:51:06 -0400
From:   Hugo Villeneuve <hugo@hugovil.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     Fabio Estevam <festevam@gmail.com>,
        Nate Drude <Nate.D@variscite.com>,
        Pierluigi Passaro <pierluigi.p@variscite.com>,
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Subject: Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG
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On Wed, 5 Jul 2023 17:44:05 +0200
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> wrote:

> On 05/07/2023 17:34, Hugo Villeneuve wrote:
> > On Wed, 5 Jul 2023 12:22:55 -0300
> > Fabio Estevam <festevam@gmail.com> wrote:
> > 
> >> Hi Hugo,
> >>
> >> On Wed, Jul 5, 2023 at 11:48 AM Hugo Villeneuve <hugo@hugovil.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?
> 
> As I wrote, interrupt type cannot be none. What does it even mean "none"
> for your case?

Hi,
I have no idea why Variscite are using this IRQ type of NONE.

I can put IRQ_TYPE_EDGE_FALLING since I tested it and it works.

Hugo.