[PATCH v9 0/8] Add SPI offload support to AD4030

[Marcelo Schmitt]

This set adds high speed data capture with AD4030/AD4630 and similar ADCs. It
also adds support for ADAQ4216 and ADAQ4224.

Rebased on top of spi-multi-lane change set [1].
Requires ("units: Add HZ_PER_GHZ") patch to build [2].
[1]: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-multi-lane
[2]: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/include/linux/units.h?h=next-20260204&id=5083dba0fde5446c00ee1a82a3911c8f88a2c72e

Change log v8 -> v9
[DT]
- No changes.
[IIO]
- Picked up David's review tag for offload common-mode channels.
- Added comment about potential side effects of PWM update over ADC conversion period.
- Use floats in ADAQ gain comments.

Link to v8: https://lore.kernel.org/linux-iio/cover.1770403407.git.marcelo.schmitt@xxxxxxxxxx/

Thanks,
Marcelo

Marcelo Schmitt (8):
  dt-bindings: iio: adc: adi,ad4030: Reference spi-peripheral-props
  Docs: iio: ad4030: Add double PWM SPI offload doc
  dt-bindings: iio: adc: adi,ad4030: Add PWM
  iio: adc: ad4030: Use BIT macro to improve code readability
  iio: adc: ad4030: Add SPI offload support
  dt-bindings: iio: adc: adi,ad4030: Add ADAQ4216 and ADAQ4224
  iio: adc: ad4030: Add support for ADAQ4216 and ADAQ4224
  iio: adc: ad4030: Support common-mode channels with SPI offloading

 .../bindings/iio/adc/adi,ad4030.yaml          |  64 ++
 Documentation/iio/ad4030.rst                  |  39 ++
 drivers/iio/adc/Kconfig                       |   5 +
 drivers/iio/adc/ad4030.c                      | 647 +++++++++++++++++-
 4 files changed, 732 insertions(+), 23 deletions(-)


base-commit: 0ec5ed7c95d1ba6a74491928ff38abb351dbed36
prerequisite-patch-id: f3b2f63f86731322c9b10e1bae0952a12219258a
-- 
2.39.2