linux-kernel - [PATCH v3 0/4] Add Ampere's Altra SMPro hwmon driver

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Date:   Fri,  9 Apr 2021 10:13:28 +0700
From:   Quan Nguyen <quan@...amperecomputing.com>
To:     Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Jonathan Corbet <corbet@....net>, linux-hwmon@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
        openbmc@...ts.ozlabs.org
Cc:     Open Source Submission <patches@...erecomputing.com>,
        Phong Vo <phong@...amperecomputing.com>,
        "Thang Q . Nguyen" <thang@...amperecomputing.com>
Subject: [PATCH v3 0/4] Add Ampere's Altra SMPro hwmon driver

This patch series adds support for Ampere SMpro hwmon driver. This
driver supports accessing various CPU sensors provided by the SMpro
co-processor including temperature, power, voltages, and current found
on Ampere Altra processor family.

v3:
  + Supported list of compatible string [Rob]
  + Introduced reg property in DT to specify reg offset [Rob]
  + Updated description and other minor changes in yaml file [Rob]
  + Handled negative temperature value [Guenter]
  + Returned -ENODEV if Manufacturer ID is wrong [Guenter]
  + Refactored smpro_read_string() and smpro_temp_read() [Guenter]
  + Removed smpro_write() function [Guenter]
  + Added minor refactor changes [Quan]

v2:
  + Used 'struct of_device_id's .data attribute [Lee Jones]
  + Removed "virtual" sensors [Guenter]
  + Fixed typo "mili" to "milli", "nanoWatt" to "microWatt" [Guenter]
  + Reported SOC_TDP as "Socket TDP" using max attributes [Guenter]
  + Clarified "highest" meaning in documentation [Guenter]
  + Corrected return error code when host is turn off [Guenter]
  + Reported MEM HOT Threshold for all DIMMs as temp*_crit [Guenter]
  + Removed license info as SPDX-License-Identifier existed [Guenter]
  + Added is_visible() support [Guenter]
  + Used HWMON_CHANNEL_INFO() macro and LABEL attributes [Guenter]
  + Made is_valid_id() return boolean [Guenter]
  + Returned -EPROBE_DEFER when smpro reg inaccessible [Guenter]
  + Removed unnecessary error message when dev register fail [Guenter]
  + Removed Socket TDP sensor [Quan]
  + Changed "ampere,ac01-smpro" to "ampere,smpro" [Quan]
  + Included sensor type and channel in labels [Quan]
  + Refactorized code to fix checkpatch.pl --strict complaint [Quan]

Quan Nguyen (4):
  dt-bindings: mfd: Add bindings for Ampere Altra SMPro drivers
  mfd: simple-mfd-i2c: Adds Ampere's Altra SMpro support
  hwmon: smpro: Add Ampere's Altra smpro-hwmon driver
  docs: hwmon: (smpro-hwmon) Add documentation

 .../bindings/hwmon/ampere,ac01-hwmon.yaml     |  28 +
 .../devicetree/bindings/mfd/ampere,smpro.yaml | 105 ++++
 Documentation/hwmon/index.rst                 |   1 +
 Documentation/hwmon/smpro-hwmon.rst           | 101 ++++
 drivers/hwmon/Kconfig                         |   8 +
 drivers/hwmon/Makefile                        |   1 +
 drivers/hwmon/smpro-hwmon.c                   | 491 ++++++++++++++++++
 drivers/mfd/Kconfig                           |  10 +
 drivers/mfd/simple-mfd-i2c.c                  |   6 +
 9 files changed, 751 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
 create mode 100644 Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
 create mode 100644 Documentation/hwmon/smpro-hwmon.rst
 create mode 100644 drivers/hwmon/smpro-hwmon.c

-- 
2.28.0