From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Esben Haabendal <esben@geanix.com>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Martin Kepplinger" <martink@posteo.de>,
"Sean Nyekjaer" <sean@geanix.com>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Martin Kepplinger" <martin.kepplinger@theobroma-systems.com>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 4/4] iio: accel: mma8452: Allow open drain interrupt pin configuration
Date: Mon, 10 Aug 2026 22:51:57 +0300 [thread overview]
Message-ID: <anor3Yq60APxW45c@ashevche-desk.local> (raw)
In-Reply-To: <20260805-mma8452-open-drain-v3-4-6149f406a409@geanix.com>
On Wed, Aug 05, 2026 at 09:21:38AM +0200, Esben Haabendal wrote:
> When sharing interrupt line with other chips, the interrupt pin most
> likely needs to be configured in open-drain mode instead of push-pull.
>
> The PP_OD bit in CTRL_REG3 is set when open-drain mode is configured,
> allowing sharing the interrupt line with other devices (with same interrupt
> polarity).
> The IRQF_SHARED flag is added to request_threaded_irq() flags, indicating
> that the interrupt line can be shared with other devices.
OK!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
--
With Best Regards,
Andy Shevchenko
prev parent reply other threads:[~2026-08-10 19:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 7:21 [PATCH v3 0/4] io: accel: mma8452: Allow open drain interrupt pin configuration Esben Haabendal
2026-08-05 7:21 ` [PATCH v3 1/4] dt-bindings: iio: accel: mma8452: Add drive-open-drain Esben Haabendal
2026-08-05 7:21 ` [PATCH v3 2/4] iio: accel: mma8452: Optimize struct mm8452_data member orders Esben Haabendal
2026-08-10 19:47 ` Andy Shevchenko
2026-08-05 7:21 ` [PATCH v3 3/4] iio: accel: mma8452: Only apply trigger type when not set by firmware Esben Haabendal
2026-08-05 7:33 ` sashiko-bot
2026-08-10 19:50 ` Andy Shevchenko
2026-08-05 7:21 ` [PATCH v3 4/4] iio: accel: mma8452: Allow open drain interrupt pin configuration Esben Haabendal
2026-08-05 7:41 ` sashiko-bot
2026-08-05 11:55 ` Esben Haabendal
2026-08-10 19:51 ` Andy Shevchenko [this message]
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