From: Linus Walleij <linus.walleij@linaro.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb <linux-usb@vger.kernel.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Stefan Agner <stefan@agner.ch>,
Krzysztof Kozlowski <krzk@kernel.org>
Subject: Re: [PATCH] usb: usb3503: Convert to use GPIO descriptors
Date: Fri, 6 Dec 2019 14:43:48 +0100 [thread overview]
Message-ID: <CACRpkdZBOFXxm_n+A+Oz=MubkSTKG7aUX+9jonB5vm+_XPK_DA@mail.gmail.com> (raw)
In-Reply-To: <402598f1-3230-c48f-c1c0-feda19cb2261@samsung.com>
On Fri, Dec 6, 2019 at 12:43 PM Marek Szyprowski
<m.szyprowski@samsung.com> wrote:
> arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts: invert RESET
> gpio polarity (to ACTIVE_LOW), not sure about INTN gpio
AFAICT INTN should be set to ACTIVE_HIGH if it is working with the
current code in the kernel.
However it is pretty confusing with the "N" at the end of INTN,
indicating negative polarity. Maybe it means something else,
I haven't checked the datasheet. Maybe all boards have inverters
on these lines so they come out active high.
Yours,
Linus Walleij
next prev parent reply other threads:[~2019-12-06 13:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20191205145641eucas1p1e3f40dff8a0c8e9ca47425e2370eabbb@eucas1p1.samsung.com>
2019-12-05 14:56 ` [PATCH] usb: usb3503: Convert to use GPIO descriptors Linus Walleij
2019-12-06 7:55 ` Marek Szyprowski
2019-12-06 9:14 ` Marek Szyprowski
2019-12-06 9:56 ` Linus Walleij
2019-12-06 11:42 ` Marek Szyprowski
2019-12-06 13:43 ` Linus Walleij [this message]
2019-12-09 16:33 ` Marek Szyprowski
2019-12-10 23:13 ` Linus Walleij
2019-12-11 8:48 ` Marek Szyprowski
2019-12-06 9:58 ` Linus Walleij
2019-12-06 11:52 ` Marek Szyprowski
2019-12-06 13:21 ` Linus Walleij
2019-12-06 13:33 ` Marek Szyprowski
2019-12-06 13:38 ` Linus Walleij
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