[PATCH 0/6] IIO driver for MCP3550/1/3

[Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>]

Two fixes, one speedup & one cleanup for the mcp320x.c driver,
plus support for new chips:

The MCP3550/1/3 are 22 bit delta-sigma ADCs with high accuracy,
low noise characteristics and an extended temperature range.
It's the top-of-the-line SPI ADC in Microchip's portfolio.

The chip is used by the "Revolution Pi" family of open source PLCs
based on the Raspberry Pi (https://revolution.kunbus.com/).

Thanks,

Lukas


Lukas Wunner (6):
  iio: adc: mcp320x: Fix oops on module unload
  iio: adc: mcp320x: Fix readout of negative voltages
  iio: adc: mcp320x: Speed up readout of single-channel ADCs
  iio: adc: mcp320x: Drop unnecessary of_device_id attributes
  dt-bindings: iio: adc: mcp320x: Update for mcp3550/1/3
  iio: adc: mcp320x: Add support for mcp3550/1/3

 .../devicetree/bindings/iio/adc/mcp320x.txt        |  23 ++
 drivers/iio/adc/Kconfig                            |   5 +-
 drivers/iio/adc/mcp320x.c                          | 264 ++++++++++++++-------
 3 files changed, 202 insertions(+), 90 deletions(-)

-- 
2.11.0

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