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

[Jonathan Cameron]

On Wed, 4 Feb 2026 13:53:15 +0000
Jonathan Cameron <jonathan.cameron@xxxxxxxxxx> wrote:

> On Mon, 2 Feb 2026 23:22:59 +0000
> Mark Brown <broonie@xxxxxxxxxx> 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.
> 
I've rebased so now have the bits that went through SPI.  I'll rebase again
on rc1, but for now applied patches 8 and 9 to the testing branch of iio.git

Thanks,

Jonathan

> 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
> >   
> 
>