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From:   Fabio Estevam <festevam@gmail.com>
Date:   Tue, 4 Jul 2023 18:02:53 -0300
Message-ID: <CAOMZO5BNaQVMKbxU9rc5zOBwv9c+HayLnkjqrSgPKgMGzQ585A@mail.gmail.com>
Subject: Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG
To:     Hugo Villeneuve <hugo@hugovil.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Pierluigi Passaro <pierluigi.p@variscite.com>,
        Nate Drude <nate.d@variscite.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        NXP Linux Team <linux-imx@nxp.com>,
        Hugo Villeneuve <hvilleneuve@dimonoff.com>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
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Hi Hugo,

On Tue, Jul 4, 2023 at 5:41=E2=80=AFPM Hugo Villeneuve <hugo@hugovil.com> w=
rote:

> Hi Fabio,
> with interrupts =3D <11 IRQ_TYPE_LEVEL_LOW>, USB OTG doesn't work.

PTN5150 datasheet says:

"Any changes in the attach/detach events or Rp current source changes
will trigger INTB pin to go LOW."

What about:  interrupts =3D <11 IRQ_TYPE_EDGE_FALLING>; ?

Also, please add a pullup to the GPIO1_11 pad.

Does it work?