linux-kernel - [PATCH 0/3] hwmon: ltc2992: Add support

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Message-ID: <20201029094911.79173-1-alexandru.tachici@analog.com>
Date:   Thu, 29 Oct 2020 11:49:08 +0200
From:   <alexandru.tachici@...log.com>
To:     <linux-hwmon@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC:     <robh+dt@...nel.org>, <linux@...ck-us.net>,
        Alexandru Tachici <alexandru.tachici@...log.com>
Subject: [PATCH 0/3] hwmon: ltc2992: Add support

From: Alexandru Tachici <alexandru.tachici@...log.com>

LTC2992 is is a rail-to-rail system monitor that
measures current, voltage, and power of two supplies.

Two ADCs simultaneously measure each supply’s current.
A third ADC monitors the input voltages and four
auxiliary external voltages (GPIOs).

1. Use hwmon to create sysfs entries for current, voltage
and power of two 0V to 100V supplies. Create sysfs entries
for voltage sensed on the 4 GPIO pins.

2. Expose to userspace the 4 open-drain GPIOs provided by ltc2992.

3. DT bindings for ltc2992.

Alexandru Tachici (3):
  hwmon: ltc2992: Add support
  hwmon: ltc2992: Add support for GPIOs.
  dt-binding: hwmon: Add documentation for ltc2992

 .../bindings/hwmon/adi,ltc2992.yaml           |  78 ++
 Documentation/hwmon/index.rst                 |   1 +
 Documentation/hwmon/ltc2992.rst               |  51 +
 drivers/hwmon/Kconfig                         |  12 +
 drivers/hwmon/Makefile                        |   1 +
 drivers/hwmon/ltc2992.c                       | 903 ++++++++++++++++++
 6 files changed, 1046 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/adi,ltc2992.yaml
 create mode 100644 Documentation/hwmon/ltc2992.rst
 create mode 100644 drivers/hwmon/ltc2992.c

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