linux-kernel - [PATCH 0/3] Add ADE9078 Driver

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Date:   Thu, 17 Feb 2022 15:51:37 +0200
From:   chegbeli <ciprian.hegbeli@...log.com>
To:     <jic23@...nel.org>, <robh+dt@...nel.org>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     chegbeli <ciprian.hegbeli@...log.com>
Subject: [PATCH 0/3] Add ADE9078 Driver

The ADE9078 is a highly accurate, fully integrated energy metering
device. It allows the monitoring of three independent phases
simultaneously, by using seven high performances ADCs and a flexible
DSP core for a fixed fundamental signal frequency.

Datasheet:
www.analog.com/media/en/technical-documentation/data-sheets/ADE9078.pdf

NOTE:
Given the unique nature of this type of ADC a new sub-folder has been
created in the driver/iio/ section. This folder would serve as a
location for energy meters.

This series of patches provide an initial implementation of the
driver with access from the userspace to the:
 - For each active phase from the device tree:
 	- Current (read raw, read scale, set hwgain)
 	- Voltage (read raw, read scale, set hwgain)
 	- Current RMS (read raw, read scale, set offset)
 	- Voltage RMS (read raw, read scale, set offset)
	- Active Power (read raw, read scale, set hwgain, set offset)
	- Reactive Power (read raw, read scale, set offset)
	- Apparent Power (read raw, read scale)
	- Fundamental Active Power (read raw, read scale, set offset)
	- Apparent Power (read raw, read scale)
- Event control for zero-crossing events on Voltage and Current
- Buffer implementation for read out of the internal FIFO

chegbeli (3):
  iio: add meter subdirectory
  dt-bindings: iio: add ADE9078
  iio: meter: add ADE9078 driver

 .../bindings/iio/meter/adi,ade9078.yaml       |  153 ++
 MAINTAINERS                                   |    8 +
 drivers/iio/Kconfig                           |    1 +
 drivers/iio/Makefile                          |    1 +
 drivers/iio/meter/Kconfig                     |   22 +
 drivers/iio/meter/Makefile                    |    7 +
 drivers/iio/meter/ade9078.c                   | 1666 +++++++++++++++++
 include/dt-bindings/iio/meter/adi,ade9078.h   |   21 +
 8 files changed, 1879 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/meter/adi,ade9078.yaml
 create mode 100644 drivers/iio/meter/Kconfig
 create mode 100644 drivers/iio/meter/Makefile
 create mode 100644 drivers/iio/meter/ade9078.c
 create mode 100644 include/dt-bindings/iio/meter/adi,ade9078.h

--
2.34.1