From: "Rob Herring (Arm)" <robh@kernel.org>
To: David Lechner <dlechner@baylibre.com>
Cc: linux-kernel@vger.kernel.org, "Mark Brown" <broonie@kernel.org>,
linux-spi@vger.kernel.org, "Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org,
"Marcelo Schmitt" <marcelo.schmitt@analog.com>,
"Conor Dooley" <conor+dt@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Jonathan Cameron" <jic23@kernel.org>,
devicetree@vger.kernel.org,
"Sean Anderson" <sean.anderson@linux.dev>,
"Michael Hennerich" <michael.hennerich@analog.com>
Subject: Re: [PATCH v4 2/9] spi: dt-bindings: add spi-{tx,rx}-lane-map properties
Date: Wed, 7 Jan 2026 09:57:22 -0600 [thread overview]
Message-ID: <176780144202.1197510.11558178510570306104.robh@kernel.org> (raw)
In-Reply-To: <20251219-spi-add-multi-bus-support-v4-2-145dc5204cd8@baylibre.com>
On Fri, 19 Dec 2025 15:32:10 -0600, David Lechner wrote:
> Add spi-tx-lane-map and spi-rx-lane-map properties to the SPI peripheral
> device tree binding. These properties allow specifying the mapping of
> peripheral data lanes to controller data lanes. This is needed e.g. when
> some lanes are skipped on the controller side so that the controller
> can correctly route data to/from the peripheral.
>
> Signed-off-by: David Lechner <dlechner@baylibre.com>
> ---
>
> v4 changes:
> - This replaces the data-lanes property from the previous revision. Now
> there are separate properties for tx and rx lane maps. And instead of
> being the primary property for determining the number of lanes, this
> is only needed in special cases where the mapping is non-trivial.
> ---
> .../devicetree/bindings/spi/spi-peripheral-props.yaml | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-01-07 15:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-19 21:32 [PATCH v4 0/9] spi: add multi-lane support David Lechner
2025-12-19 21:32 ` [PATCH v4 1/9] spi: dt-bindings: change spi-{rx,tx}-bus-width to arrays David Lechner
2026-01-06 16:36 ` Rob Herring (Arm)
2026-01-08 12:26 ` Marcelo Schmitt
2026-01-11 11:52 ` Jonathan Cameron
2025-12-19 21:32 ` [PATCH v4 2/9] spi: dt-bindings: add spi-{tx,rx}-lane-map properties David Lechner
2025-12-19 22:40 ` Rob Herring (Arm)
2026-01-07 15:57 ` Rob Herring (Arm) [this message]
2026-01-08 12:29 ` Marcelo Schmitt
2026-01-08 14:40 ` Rob Herring
2025-12-19 21:32 ` [PATCH v4 3/9] spi: support controllers with multiple data lanes David Lechner
2025-12-27 15:16 ` Andy Shevchenko
2026-01-12 17:01 ` David Lechner
2025-12-27 17:18 ` Jonathan Cameron
2025-12-19 21:32 ` [PATCH v4 4/9] spi: add multi_lane_mode field to struct spi_transfer David Lechner
2025-12-27 15:14 ` Andy Shevchenko
2026-01-12 17:10 ` David Lechner
2025-12-19 21:32 ` [PATCH v4 5/9] spi: Documentation: add page on multi-lane support David Lechner
2026-01-08 12:40 ` Marcelo Schmitt
2026-01-08 15:57 ` David Lechner
2026-01-08 12:44 ` Marcelo Schmitt
2026-01-08 15:56 ` David Lechner
2026-01-08 16:43 ` Marcelo Schmitt
2026-01-08 17:22 ` David Lechner
2025-12-19 21:32 ` [PATCH v4 6/9] spi: dt-bindings: adi,axi-spi-engine: add " David Lechner
2026-01-06 16:36 ` Rob Herring (Arm)
2025-12-19 21:32 ` [PATCH v4 7/9] spi: axi-spi-engine: support SPI_MULTI_LANE_MODE_STRIPE David Lechner
2026-01-08 12:45 ` Marcelo Schmitt
2025-12-19 21:32 ` [PATCH v4 8/9] dt-bindings: iio: adc: adi,ad7380: add spi-rx-bus-width property David Lechner
2026-01-06 16:37 ` Rob Herring (Arm)
2025-12-19 21:32 ` [PATCH v4 9/9] iio: adc: ad7380: add support for multiple SPI lanes David Lechner
2026-01-08 12:46 ` Marcelo Schmitt
2026-01-11 11:57 ` [PATCH v4 0/9] spi: add multi-lane support Jonathan Cameron
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