linux-kernel - Re: [PATCH v3 1/7] spi: dt-bindings: Add data-lanes property

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Message-ID: <176488375440.2197316.17479968032576108743.robh@kernel.org>
Date: Thu, 4 Dec 2025 15:29:14 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: Conor Dooley <conor+dt@...nel.org>,
	Marcelo Schmitt <marcelo.schmitt@...log.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Sean Anderson <sean.anderson@...ux.dev>,
	Jonathan Cameron <jic23@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Michael Hennerich <michael.hennerich@...log.com>,
	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	Andy Shevchenko <andy@...nel.org>
Subject: Re: [PATCH v3 1/7] spi: dt-bindings: Add data-lanes property


On Mon, 01 Dec 2025 20:20:39 -0600, David Lechner wrote:
> Add a data-lanes property to the spi-peripheral-props binding to
> allow specifying the SPI data lane or lanes that a peripheral is
> connected to in cases where the SPI controller has more than one
> physical SPI data lane.
> 
> Signed-off-by: David Lechner <dlechner@...libre.com>
> ---
> v3 changes:
> * Renamed spi-buses to data-lanes to reuse existing common property name.
> * Added to description to clarify index is peripheral and value is
>   controller.
> v2 changes:
> * Renamed property from spi-buses to spi-data-buses to make it clear
>   that we are only talking about the SDI/SDO lines and not the entire
>   SPI bus (SCK, CS, etc).
> * Fixed prefix order in subject.
> 
> This patch has been seen before in a different series from Sean [1].
> 
> [1]: https://lore.kernel.org/linux-spi/20250616220054.3968946-2-sean.anderson@linux.dev/
> 
> Changes:
> * Added maxItems. (8 is the most I've seen so far on an ADC)
> * Tweaked the description a bit.
> ---
>  .../devicetree/bindings/spi/spi-peripheral-props.yaml      | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>