linux-kernel - [PATCH v4 0/5] Add support for LTC6373

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Message-ID: <20240117125124.8326-1-mitrutzceclan@gmail.com>
Date: Wed, 17 Jan 2024 14:51:09 +0200
From: Dumitru Ceclan <mitrutzceclan@...il.com>
To: 
Cc: Lars-Peter Clausen <lars@...afoo.de>,
	Jonathan Cameron <jic23@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Ceclan Dumitru <dumitru.ceclan@...log.com>,
	Dumitru Ceclan <mitrutzceclan@...il.com>
Subject: [PATCH v4 0/5] Add support for LTC6373

This patch series adds support for the LTC6373 Instrumentation Amplifier within
the existing HMC425A driver.

The LTC6373 is a silicon, 3-bit Fully-Differential digital instrumentation
amplifier that supports the following programmable gains (Vout/Vin):
 G = 0.25, 0.5, 1, 2, 4, 8, 16 + Shutdown.
The programmable interface consists of 3 digitally controled inputs.

V3->V4
 - Fix git commit message typo and remove newline between tags
V2->V3
 - Use return instead of break in *_gain_dB_to_code()
 - Add new line before return in *_code_to_gain_dB()
 - Match parameter alignment for added _powerdown functions
 - Add precursor patch for using pointers in the match table
 - Add chip_info attributes: has_powerdown and powerdown_val
 - Change probe logic to use has_powerdown for default powerdown state
 - Added 'Fixes' tag to commit message of 'add conditional GPIO array...' 
V1->V2
 Driver:
 - Fix chip info table indent
 - Remove enable attribute
 - Add ext_info powerdown attribute
 - Enable by default powerdown attribute
 - Set default gain after disabling powerdown to min value
 Binding:
 - Fix conditional checking of GPIO array size for LTC6373
 - Add precursor commit for correctly checking gpio size depending upon compatible

Dumitru Ceclan (5):
  dt-bindings: iio: hmc425a: add conditional GPIO array size constraints
  dt-bindings: iio: hmc425a: add entry for LTC6373
  iio: amplifiers: hmc425a: move conversion logic
  iio: amplifiers: hmc425a: use pointers in match table
  iio: amplifiers: hmc425a: add support for LTC6373 Instrumentation
    Amplifier

 .../bindings/iio/amplifiers/adi,hmc425a.yaml  |  47 +++-
 drivers/iio/amplifiers/hmc425a.c              | 253 +++++++++++++-----
 2 files changed, 236 insertions(+), 64 deletions(-)

-- 
2.42.0