linux-kernel - [PATCH v2 0/6] iio: amplifiers: ad8366: driver update and dt support

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Message-Id: <20260126-iio-ad8366-update-v2-0-c9a4d31aeb01@analog.com>
Date: Mon, 26 Jan 2026 13:51:01 +0000
From: Rodrigo Alencar via B4 Relay <devnull+rodrigo.alencar.analog.com@...nel.org>
To: linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, 
 devicetree@...r.kernel.org
Cc: Michael Hennerich <Michael.Hennerich@...log.com>, 
 Lars-Peter Clausen <lars@...afoo.de>, Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, Andy Shevchenko <andy@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Rodrigo Alencar <rodrigo.alencar@...log.com>, 
 Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH v2 0/6] iio: amplifiers: ad8366: driver update and dt
 support

This patch series updates the AD8366 amplifier/attenuator driver with
modern device resource management, including support for additional
device variants.

Adds support for multiple digital step attenuators:
- ADRF5720: 0.5 dB LSB, 6-Bit, Digital Attenuator, 9 kHz to 40 GHz
- ADRF5730: 0.5 dB LSB, 6-Bit, Digital Attenuator, 100 MHz to 40 GHz
- ADRF5731: 2 dB LSB, 4-Bit, Digital Attenuator, 100 MHz to 40 GHz
- HMC271A: 1 dB LSB, 5-bit, Digital Attenuator, 0.7 - 3.7 GHz
- HMC1018A: 1.0 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 30 GHz
- HMC1019A: 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 30 GHz

Device Tree Support:
- Adds device tree binding documentation
- Adds device tree compatible strings for all supported devices
- Favor chip info tables over device type.

Signed-off-by: Rodrigo Alencar <rodrigo.alencar@...log.com>
---
Changes in v2:
- Reorganize commits with cleanups before features.
- Link to v1: https://lore.kernel.org/r/20260119-iio-ad8366-update-v1-0-8044e23e964a@analog.com

---
Rodrigo Alencar (6):
      MAINTAINERS: Add missing maintainer entry for AD8366 driver
      dt-bindings: iio: amplifiers: Add AD8366 support
      iio: amplifiers: ad8366: refactor device resource management
      iio: amplifiers: ad8366: add device tree support
      iio: amplifiers: ad8366: consume enable gpio
      iio: amplifiers: ad8366: Update device support

 .../bindings/iio/amplifiers/adi,ad8366.yaml        |  68 ++++
 MAINTAINERS                                        |   9 +
 drivers/iio/amplifiers/Kconfig                     |   6 +
 drivers/iio/amplifiers/ad8366.c                    | 385 +++++++++++----------
 4 files changed, 278 insertions(+), 190 deletions(-)
---
base-commit: f52690c50893ef1504990199c8a2dfbb869f38c6
change-id: 20251121-iio-ad8366-update-56abac58bbca

Best regards,
-- 
Rodrigo Alencar <rodrigo.alencar@...log.com>