From: Chen-Yu Tsai <wens@csie.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
Maxime Ripard <mripard@kernel.org>
Cc: linux-usb <linux-usb@vger.kernel.org>,
"moderated list:ARM/SAMSUNG EXYNO..."
<linux-samsung-soc@vger.kernel.org>,
"moderated list:ARM/Mediatek SoC..."
<linux-mediatek@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Stefan Agner <stefan@agner.ch>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Linus Walleij <linus.walleij@linaro.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH v2 3/4] ARM: dts: sun8i: a83t: Correct USB3503 GPIOs polarity
Date: Fri, 13 Dec 2019 16:08:12 +0800 [thread overview]
Message-ID: <CAGb2v65EBb-qvb6XVzvZgqKUbzJJgkXgB5y2uA8Aa1__n9v+qw@mail.gmail.com> (raw)
In-Reply-To: <20191211145217.25025-1-m.szyprowski@samsung.com>
On Wed, Dec 11, 2019 at 10:52 PM Marek Szyprowski
<m.szyprowski@samsung.com> wrote:
>
> Current USB3503 driver ignores GPIO polarity and always operates as if the
> GPIO lines were flagged as ACTIVE_HIGH. Fix the polarity for the existing
> USB3503 chip applications to match the chip specification and common
> convention for naming the pins. The only pin, which has to be ACTIVE_LOW
> is the reset pin. The remaining are ACTIVE_HIGH. This change allows later
> to fix the USB3503 driver to properly use generic GPIO bindings and read
> polarity from DT.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
I assume the dts patch has to go in before or at the same time as the driver
patch?
next prev parent reply other threads:[~2019-12-13 8:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20191211145104eucas1p1ce04a26eebcd4c22d72f204e7ae0aa5a@eucas1p1.samsung.com>
2019-12-11 14:50 ` [PATCH v2 0/4 RESEND] USB3503: correct GPIOs polarity and update the driver Marek Szyprowski
[not found] ` <CGME20191211145203eucas1p2aa9445d7b778451ff1da0e552ccdae18@eucas1p2.samsung.com>
2019-12-11 14:51 ` [PATCH v2 1/4] ARM: dts: exynos: Correct USB3503 GPIOs polarity Marek Szyprowski
[not found] ` <CGME20191211145213eucas1p2c438f848ba705fa407331bb31b03b626@eucas1p2.samsung.com>
2019-12-11 14:52 ` [PATCH v2 2/4] ARM: dts: qcom: " Marek Szyprowski
2019-12-18 5:42 ` Bjorn Andersson
[not found] ` <CGME20191211145222eucas1p1d761af59e04017ddadbdbd1cceb59b1f@eucas1p1.samsung.com>
2019-12-11 14:52 ` [PATCH v2 3/4] ARM: dts: sun8i: a83t: " Marek Szyprowski
2019-12-13 8:08 ` Chen-Yu Tsai [this message]
2019-12-17 8:37 ` Maxime Ripard
[not found] ` <CGME20191211145231eucas1p29d4e0ed105274c79682b48a613b45904@eucas1p2.samsung.com>
2019-12-11 14:52 ` [PATCH v2 4/4] usb: usb3503: Convert to use GPIO descriptors Marek Szyprowski
2019-12-12 2:10 ` Chunfeng Yun
2019-12-12 8:23 ` Marek Szyprowski
2019-12-13 16:04 ` [PATCH v2 0/4 RESEND] USB3503: correct GPIOs polarity and update the driver Linus Walleij
2019-12-11 14:46 [PATCH v2 0/4] " Marek Szyprowski
[not found] ` <CGME20191211144649eucas1p2ec8ca5bec84c179a5cbf01a285e82837@eucas1p2.samsung.com>
2019-12-11 14:46 ` [PATCH v2 3/4] ARM: dts: sun8i: a83t: Correct USB3503 GPIOs polarity Marek Szyprowski
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