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Wed, 17 Jan 2024 04:51:31 -0800 (PST) From: Dumitru Ceclan To: Cc: Lars-Peter Clausen , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ceclan Dumitru , Dumitru Ceclan Subject: [PATCH v4 0/5] Add support for LTC6373 Date: Wed, 17 Jan 2024 14:51:09 +0200 Message-ID: <20240117125124.8326-1-mitrutzceclan@gmail.com> X-Mailer: git-send-email 2.42.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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(-)