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hwmon: Add StarFive JH7100 temperature sensor

From:  Emil Renner Berthing <esmil-AT-mailme.dk>
To:  Jean Delvare <jdelvare-AT-suse.com>, Guenter Roeck <linux-AT-roeck-us.net>, Rob Herring <robh+dt-AT-kernel.org>, Jonathan Corbet <corbet-AT-lwn.net>, Samin Guo <samin.guo-AT-starfivetech.com>
Subject:  [PATCH v2 0/2] hwmon: Add StarFive JH7100 temperature sensor
Date:  Thu, 24 Jun 2021 18:21:06 +0200
Message-ID:  <20210624162108.832518-1-esmil@mailme.dk>
Cc:  Emil Renner Berthing <kernel-AT-esmil.dk>, linux-hwmon-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-doc-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org
Archive-link:  Article

From: Emil Renner Berthing <kernel@esmil.dk>

This adds a driver for the temperature sensor on the JH7100, a RISC-V
SoC by StarFive Technology Co. Ltd., and most likely also the upcoming
JH7110 version.

The SoC is used on the BeagleV Starlight board:
https://github.com/beagleboard/beaglev-starlight

Support for this SoC is not yet upstreamed, but is actively worked on,
so it should only be a matter of time before that happens.

v2:
* Fix checkpatch.pl --strict warnings
  - Add myself to MAINTAINERS
  - Fix multiline comments
  - Use proper case and whitespace for #defines
  - Add comment to sfctemp::lock mutex.
* Remaining comments by Guenter Roeck
  - Add Documentation/hwmon/sfctemp.rst
  - Use devm_add_action() and devm_hwmon_device_register_with_info()
    instead of a driver .remove function.
  - Don't do test conversion at probe time.
  - #include <linux/io.h>
  - Remove unused #defines
  - Use int return variable in sfctemp_convert().
* Add Samin's Signed-off-by to patch 2/2

Emil Renner Berthing (2):
  dt-bindings: hwmon: add starfive,jh7100-temp bindings
  hwmon: (sfctemp) Add StarFive JH7100 temperature sensor

 .../bindings/hwmon/starfive,jh7100-temp.yaml  |  43 +++
 Documentation/hwmon/index.rst                 |   1 +
 Documentation/hwmon/sfctemp.rst               |  32 ++
 MAINTAINERS                                   |   8 +
 drivers/hwmon/Kconfig                         |  10 +
 drivers/hwmon/Makefile                        |   1 +
 drivers/hwmon/sfctemp.c                       | 288 ++++++++++++++++++
 7 files changed, 383 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/starfive,jh7100-temp.yaml
 create mode 100644 Documentation/hwmon/sfctemp.rst
 create mode 100644 drivers/hwmon/sfctemp.c

-- 
2.32.0



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