linux-kernel - Re: [PATCH v6 0/9] spi: add multi-lane support

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Message-ID: <20260204135315.0000580b@huawei.com>
Date: Wed, 4 Feb 2026 13:53:15 +0000
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Mark Brown <broonie@...nel.org>
CC: David Lechner <dlechner@...libre.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Marcelo Schmitt <marcelo.schmitt@...log.com>, Michael Hennerich
	<michael.hennerich@...log.com>, Nuno Sá
	<nuno.sa@...log.com>, Jonathan Cameron <jic23@...nel.org>, Andy Shevchenko
	<andy@...nel.org>, Sean Anderson <sean.anderson@...ux.dev>,
	<linux-spi@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>
Subject: Re: [PATCH v6 0/9] spi: add multi-lane support

On Mon, 2 Feb 2026 23:22:59 +0000
Mark Brown <broonie@...nel.org> wrote:

> On Fri, Jan 23, 2026 at 02:37:23PM -0600, David Lechner wrote:
> > This series is adding support for SPI controllers and peripherals that
> > have multiple SPI data lanes (data lanes being independent sets of
> > SDI/SDO lines, each with their own serializer/deserializer).  
> 
> The following changes since commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8:
> 
>   Linux 6.19-rc1 (2025-12-14 16:05:07 +1200)
> 
> are available in the Git repository at:
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-multi-lane

Thanks. Given timing, I plan to hold the last two patches until next cycle.
I'll pick them up nice and early though so they'll be in next shortly after
rc1.

Thanks,

Jonathan

> 
> for you to fetch changes up to 0ec5ed7c95d1ba6a74491928ff38abb351dbed36:
> 
>   spi: axi-spi-engine: support SPI_MULTI_LANE_MODE_STRIPE (2026-02-02 12:12:47 +0000)
> 
> ----------------------------------------------------------------
> spi: Add multi-lane support
> 
> This series is adding support for SPI controllers and peripherals that
> have multiple SPI data lanes (data lanes being independent sets of
> SDI/SDO lines, each with their own serializer/deserializer).
> 
> ----------------------------------------------------------------
> CL Wang (1):
>       spi: dt-bindings: Add support for ATCSPI200 SPI controller
> 
> David Lechner (7):
>       spi: dt-bindings: change spi-{rx,tx}-bus-width to arrays
>       spi: dt-bindings: add spi-{tx,rx}-lane-map properties
>       spi: support controllers with multiple data lanes
>       spi: add multi_lane_mode field to struct spi_transfer
>       spi: Documentation: add page on multi-lane support
>       spi: dt-bindings: adi,axi-spi-engine: add multi-lane support
>       spi: axi-spi-engine: support SPI_MULTI_LANE_MODE_STRIPE
> 
>  .../bindings/display/panel/sitronix,st7789v.yaml   |   5 +-
>  .../devicetree/bindings/iio/adc/adi,ad4030.yaml    |  42 +++-
>  .../devicetree/bindings/iio/adc/adi,ad4695.yaml    |   5 +-
>  .../bindings/spi/adi,axi-spi-engine.yaml           |  15 ++
>  .../bindings/spi/allwinner,sun4i-a10-spi.yaml      |   6 +-
>  .../bindings/spi/allwinner,sun6i-a31-spi.yaml      |   6 +-
>  .../bindings/spi/andestech,ae350-spi.yaml          |  87 +++++++++
>  .../bindings/spi/nvidia,tegra210-quad.yaml         |   6 +-
>  .../bindings/spi/spi-peripheral-props.yaml         |  40 +++-
>  Documentation/spi/index.rst                        |   1 +
>  Documentation/spi/multiple-data-lanes.rst          | 217 +++++++++++++++++++++
>  drivers/spi/spi-axi-spi-engine.c                   | 145 +++++++++++++-
>  drivers/spi/spi.c                                  | 144 +++++++++++++-
>  include/linux/spi/spi.h                            |  30 +++
>  14 files changed, 724 insertions(+), 25 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/spi/andestech,ae350-spi.yaml
>  create mode 100644 Documentation/spi/multiple-data-lanes.rst
>