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Message-ID: <35de37c08331a8384aa9ebde3a9be5fec6fc418e.camel@gmail.com>
Subject: Re: [PATCH RFC v2 1/8] spi: dt-bindings: spi-peripheral-props: add
 spi-offloads property
From: Nuno =?ISO-8859-1?Q?S=E1?= <noname.nuno@gmail.com>
To: David Lechner <dlechner@baylibre.com>, Conor Dooley <conor@kernel.org>
Cc: Mark Brown <broonie@kernel.org>, Jonathan Cameron <jic23@kernel.org>, 
 Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,
 Conor Dooley <conor+dt@kernel.org>,  Nuno =?ISO-8859-1?Q?S=E1?=
 <nuno.sa@analog.com>, 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
Date: Thu, 23 May 2024 16:57:54 +0200
In-Reply-To: <59df2cc3-5a62-45be-a0aa-5bbff13c2ae4@baylibre.com>
References: 
	<20240510-dlech-mainline-spi-engine-offload-2-v2-0-8707a870c435@baylibre.com>
	 <20240510-dlech-mainline-spi-engine-offload-2-v2-1-8707a870c435@baylibre.com>
	 <20240513-headsman-hacking-d51fcc811695@spud>
	 <CAMknhBE5XJzhdJ=PQUXiubw_CiCLcn1jihiscnQZUzDWMASPKw@mail.gmail.com>
	 <20240514-aspire-ascension-449556da3615@spud>
	 <CAMknhBFFpEGcMoLo5gsC11Syv+CwUM0mnq1yDMUzL1uutUtB+Q@mail.gmail.com>
	 <20240516-rudder-reburial-dcf300504c0a@spud>
	 <CAMknhBF_s0btus4yqPe-T=F3z7Asi9KkRGsGr7FHDFi=k4EQjw@mail.gmail.com>
	 <20240519-abreast-haziness-096a57ef57d3@spud>
	 <CAMknhBHvEse2FyDoBXR1PvymGpSGq8dotKfm+8XH+0+k+xKtQw@mail.gmail.com>
	 <20240522-gullible-ibuprofen-cf9111c25f6f@spud>
	 <59df2cc3-5a62-45be-a0aa-5bbff13c2ae4@baylibre.com>
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On Thu, 2024-05-23 at 09:28 -0500, David Lechner wrote:
> On 5/22/24 1:24 PM, Conor Dooley wrote:
> > On Tue, May 21, 2024 at 09:54:39AM -0500, David Lechner wrote:
> > > On Sun, May 19, 2024 at 7:53=E2=80=AFAM Conor Dooley <conor@kernel.or=
g> wrote:
> > > >=20
> > > > On Fri, May 17, 2024 at 11:51:58AM -0500, David Lechner wrote:
> > > > > On Thu, May 16, 2024 at 4:32=E2=80=AFPM Conor Dooley <conor@kerne=
l.org> wrote:
> > > > > > On Tue, May 14, 2024 at 05:56:47PM -0500, David Lechner wrote:
> > > >=20
>=20

..

>=20
> controller:
> #spi-offload-cells =3D <2>: /* 1st cell =3D offload instance
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 * 2nd cell =3D trigger provider */
>=20

What about things like DMA? I'm mentioning it a lot because it's way more c=
omplex
having it on the controller (from a SW perspective). But from an HW point o=
f view,
it's always very similar (if not the same) as your case A.

- Nuno S=C3=A1
>=20