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Date: Fri, 31 May 2024 13:47:45 +0100
From: Mark Brown <broonie@kernel.org>
To: David Lechner <dlechner@baylibre.com>
Cc: Conor Dooley <conor@kernel.org>,
	Nuno =?iso-8859-1?Q?S=E1?= <noname.nuno@gmail.com>,
	Jonathan Cameron <jic23@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
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	Michael Hennerich <Michael.Hennerich@analog.com>,
	Lars-Peter Clausen <lars@metafoo.de>,
	David Jander <david@protonic.nl>,
	Martin Sperl <kernel@martin.sperl.org>, linux-spi@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-iio@vger.kernel.org
Subject: Re: [PATCH RFC v2 1/8] spi: dt-bindings: spi-peripheral-props: add
 spi-offloads property
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On Thu, May 30, 2024 at 04:28:38PM -0500, David Lechner wrote:

> I think one of my colleagues was working on one in the last year that we
> might still have lying around. But I don't know what we could use as the
> SPI controller that would have offload support.=20

David was using a Raspberry Pi, their DMA controller can happily write
to the SPI controller registers so functions as an offload engine - I'd
not be surprised if other SPI controllers and DMA controllers could
interact in a similar fashion for the CAN or interrupt controller style
use cases.

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