From: David Lechner <dlechner@baylibre.com>
To: Mark Brown <broonie@kernel.org>
Cc: "Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Marcelo Schmitt" <marcelo.schmitt@analog.com>,
"Michael Hennerich" <michael.hennerich@analog.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"Andy Shevchenko" <andy@kernel.org>,
"Sean Anderson" <sean.anderson@linux.dev>,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org
Subject: Re: [PATCH 1/6] dt-bindings: spi: Add spi-buses property
Date: Wed, 12 Nov 2025 10:52:34 -0600 [thread overview]
Message-ID: <b18db31d-47e5-44bb-a671-c8d8a9f2cd82@baylibre.com> (raw)
In-Reply-To: <aRIbBVNzo-7EYJbl@finisterre.sirena.org.uk>
On 11/10/25 11:04 AM, Mark Brown wrote:
> On Thu, Oct 30, 2025 at 05:42:44PM -0500, David Lechner wrote:
>> On 10/30/25 8:51 AM, Rob Herring wrote:
>
>>> But it can't really be 2 independent buses/controllers unless the ADC
>>> has 2 completely independent interfaces, right?
>
>> Correct.
>
>> The proposed property really only concerns the data lines (tx/rx). It doesn't
>> care if there is 1 or 2 SCLK lines and it doesn't care if there is only 1 CS
>> line.
>
>> So maybe spi-data-buses would be a better name for the property? Or
>> spi-data-ports (using the NXP FlexSPI controller docs terminology)?
>> Or spi-data-channels?
>
> This bindings discussion seems to have stalled out?
Yes, it seems so. I sent a v2 with with the property changed to "spi-data-buses"
in hopes that that it would be good enough, or if not, get the conversation going
again. [1]
[1]: https://lore.kernel.org/linux-iio/20251107-spi-add-multi-bus-support-v2-1-8a92693314d9@baylibre.com/
next prev parent reply other threads:[~2025-11-12 16:52 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-14 22:02 [PATCH 0/6] spi: add multi-bus support David Lechner
2025-10-14 22:02 ` [PATCH 1/6] dt-bindings: spi: Add spi-buses property David Lechner
2025-10-21 14:21 ` Rob Herring
2025-10-21 14:59 ` David Lechner
2025-10-30 13:51 ` Rob Herring
2025-10-30 22:42 ` David Lechner
2025-11-10 17:04 ` Mark Brown
2025-11-12 16:52 ` David Lechner [this message]
2025-10-14 22:02 ` [PATCH 2/6] spi: Support multi-bus controllers David Lechner
2025-10-15 10:06 ` Nuno Sá
2025-10-15 20:16 ` Marcelo Schmitt
2025-10-14 22:02 ` [PATCH 3/6] spi: add multi_bus_mode field to struct spi_transfer David Lechner
2025-10-15 10:16 ` Nuno Sá
2025-10-15 12:01 ` Mark Brown
2025-10-15 14:43 ` Nuno Sá
2025-10-15 15:18 ` Mark Brown
2025-10-15 16:15 ` David Lechner
2025-10-15 16:43 ` Nuno Sá
2025-10-15 18:38 ` David Lechner
2025-10-16 9:08 ` Nuno Sá
2025-10-16 15:25 ` David Lechner
2025-10-17 12:36 ` Nuno Sá
2025-10-15 20:21 ` Marcelo Schmitt
2025-10-14 22:02 ` [PATCH 4/6] spi: axi-spi-engine: support SPI_MULTI_BUS_MODE_STRIPE David Lechner
2025-10-15 10:30 ` Nuno Sá
2025-10-15 12:03 ` Mark Brown
2025-10-15 16:29 ` David Lechner
2025-10-16 9:11 ` Nuno Sá
2025-10-15 20:53 ` Marcelo Schmitt
2025-10-15 22:01 ` David Lechner
2025-10-14 22:02 ` [PATCH 5/6] dt-bindings: iio: adc: adi,ad7380: add spi-buses property David Lechner
2025-10-14 22:02 ` [PATCH 6/6] iio: adc: ad7380: Add support for multiple SPI buses David Lechner
2025-10-15 10:36 ` Nuno Sá
2025-10-15 18:46 ` David Lechner
2025-10-18 18:10 ` Jonathan Cameron
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