linux-kernel - [PATCH v2 0/3] hwmon: add Microchip EMC2101 driver

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Message-Id: <20250701181228.1196102-1-noltari@gmail.com>
Date: Tue,  1 Jul 2025 20:12:25 +0200
From: Álvaro Fernández Rojas <noltari@...il.com>
To: jdelvare@...e.com,
	linux@...ck-us.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	corbet@....net,
	linux-hwmon@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Cc: Álvaro Fernández Rojas <noltari@...il.com>
Subject: [PATCH v2 0/3] hwmon: add Microchip EMC2101 driver

The Microchip EMC2101 is a SMBus 2.0 fan controller with temperature
monitoring.

It supports up to 1 fan, 1 internal temperature sensor, 1 external
temperature sensor and an 8 entry look up table to create a
programmable temperature response.

v2: multiple improvements:
 - add emc2101.rst to index.rst.
 - add missing documentation properties.
  - Remove FAN_RPM_MIN definition.
  - Rename FAN_FALSE_READ to FAN_MIN_READ.
  - pwm_auto_point_temp_hyst_store(): simplify function.
  - emc2101_fan_min_read(): add missing FAN_MIN_READ condition.
  - emc2101_fan_min_write(): fix tach_count calculation.
  - emc2101_init(): fix REG_TACH_MIN value.

Álvaro Fernández Rojas (3):
  docs: hwmon: add emc2101.rst to docs
  dt-bindings: hwmon: Add Microchip EMC2101 support
  drivers: hwmon: add EMC2101 driver

 .../bindings/hwmon/microchip,emc2101.yaml     |   79 +
 Documentation/hwmon/emc2101.rst               |   61 +
 Documentation/hwmon/index.rst                 |    1 +
 drivers/hwmon/Kconfig                         |   10 +
 drivers/hwmon/Makefile                        |    1 +
 drivers/hwmon/emc2101.c                       | 2175 +++++++++++++++++
 6 files changed, 2327 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2101.yaml
 create mode 100644 Documentation/hwmon/emc2101.rst
 create mode 100644 drivers/hwmon/emc2101.c

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