linux-kernel - Re: [PATCH v2 2/2] docs: hwmon: Document bel-pfe pmbus driver

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Message-ID: <0b5c8a99-db37-5c13-ded8-f3ee611340e8@roeck-us.net>
Date:   Sat, 2 Nov 2019 21:53:36 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Tao Ren <rentao.bupt@...il.com>
Cc:     Jean Delvare <jdelvare@...e.com>, Jonathan Corbet <corbet@....net>,
        linux-hwmon@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
        taoren@...com
Subject: Re: [PATCH v2 2/2] docs: hwmon: Document bel-pfe pmbus driver

On 11/2/19 9:44 PM, Tao Ren wrote:
> On Sat, Nov 02, 2019 at 08:31:15AM -0700, Guenter Roeck wrote:
>> On Tue, Oct 29, 2019 at 11:20:54AM -0700, rentao.bupt@...il.com wrote:
>>> From: Tao Ren <rentao.bupt@...il.com>
>>>
>>> Add documentation for bel-pfe pmbus driver which supports BEL PFE1100 and
>>> PFE3000 power supplies.
>>>
>>> Signed-off-by: Tao Ren <rentao.bupt@...il.com>
>>
>> Applied after adding bel-pfe to index.rst.
>>
>> Thanks,
>> Guenter
> 
> Thank you Guenter. I didn't know index.rst needs to be updated; will
> do it for my future doc patches.
> 
No worries. This is a result of the effort to convert the documentation
to .rst format, which makes everything a bit more difficult (such as
the need to add new files to the index). I am still getting used to
it myself.

Guenter

> 
> Cheers,
> 
> Tao
> 
>>> ---
>>>   No change in v2.
>>>
>>>   Documentation/hwmon/bel-pfe.rst | 112 ++++++++++++++++++++++++++++++++
>>>   1 file changed, 112 insertions(+)
>>>   create mode 100644 Documentation/hwmon/bel-pfe.rst
>>>
>>> diff --git a/Documentation/hwmon/bel-pfe.rst b/Documentation/hwmon/bel-pfe.rst
>>> new file mode 100644
>>> index 000000000000..4b4a7d67854c
>>> --- /dev/null
>>> +++ b/Documentation/hwmon/bel-pfe.rst
>>> @@ -0,0 +1,112 @@
>>> +Kernel driver bel-pfe
>>> +======================
>>> +
>>> +Supported chips:
>>> +
>>> +  * BEL PFE1100
>>> +
>>> +    Prefixes: 'pfe1100'
>>> +
>>> +    Addresses scanned: -
>>> +
>>> +    Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe1100-12-054xa.pdf
>>> +
>>> +  * BEL PFE3000
>>> +
>>> +    Prefixes: 'pfe3000'
>>> +
>>> +    Addresses scanned: -
>>> +
>>> +    Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe3000-series.pdf
>>> +
>>> +Author: Tao Ren <rentao.bupt@...il.com>
>>> +
>>> +
>>> +Description
>>> +-----------
>>> +
>>> +This driver supports hardware monitoring for below power supply devices
>>> +which support PMBus Protocol:
>>> +
>>> +  * BEL PFE1100
>>> +
>>> +    1100 Watt AC to DC power-factor-corrected (PFC) power supply.
>>> +    PMBus Communication Manual is not publicly available.
>>> +
>>> +  * BEL PFE3000
>>> +
>>> +    3000 Watt AC/DC power-factor-corrected (PFC) and DC-DC power supply.
>>> +    PMBus Communication Manual is not publicly available.
>>> +
>>> +The driver is a client driver to the core PMBus driver. Please see
>>> +Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
>>> +
>>> +
>>> +Usage Notes
>>> +-----------
>>> +
>>> +This driver does not auto-detect devices. You will have to instantiate the
>>> +devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
>>> +details.
>>> +
>>> +Example: the following will load the driver for an PFE3000 at address 0x20
>>> +on I2C bus #1::
>>> +
>>> +	$ modprobe bel-pfe
>>> +	$ echo pfe3000 0x20 > /sys/bus/i2c/devices/i2c-1/new_device
>>> +
>>> +
>>> +Platform data support
>>> +---------------------
>>> +
>>> +The driver supports standard PMBus driver platform data.
>>> +
>>> +
>>> +Sysfs entries
>>> +-------------
>>> +
>>> +======================= =======================================================
>>> +curr1_label		"iin"
>>> +curr1_input		Measured input current
>>> +curr1_max               Input current max value
>>> +curr1_max_alarm         Input current max alarm
>>> +
>>> +curr[2-3]_label		"iout[1-2]"
>>> +curr[2-3]_input		Measured output current
>>> +curr[2-3]_max           Output current max value
>>> +curr[2-3]_max_alarm     Output current max alarm
>>> +
>>> +fan[1-2]_input          Fan 1 and 2 speed in RPM
>>> +fan1_target             Set fan speed reference for both fans
>>> +
>>> +in1_label		"vin"
>>> +in1_input		Measured input voltage
>>> +in1_crit		Input voltage critical max value
>>> +in1_crit_alarm		Input voltage critical max alarm
>>> +in1_lcrit               Input voltage critical min value
>>> +in1_lcrit_alarm         Input voltage critical min alarm
>>> +in1_max                 Input voltage max value
>>> +in1_max_alarm           Input voltage max alarm
>>> +
>>> +in2_label               "vcap"
>>> +in2_input               Hold up capacitor voltage
>>> +
>>> +in[3-8]_label		"vout[1-3,5-7]"
>>> +in[3-8]_input		Measured output voltage
>>> +in[3-4]_alarm           vout[1-2] output voltage alarm
>>> +
>>> +power[1-2]_label	"pin[1-2]"
>>> +power[1-2]_input        Measured input power
>>> +power[1-2]_alarm	Input power high alarm
>>> +
>>> +power[3-4]_label	"pout[1-2]"
>>> +power[3-4]_input	Measured output power
>>> +
>>> +temp[1-3]_input		Measured temperature
>>> +temp[1-3]_alarm         Temperature alarm
>>> +======================= =======================================================
>>> +
>>> +.. note::
>>> +
>>> +    - curr3, fan2, vout[2-7], vcap, pin2, pout2 and temp3 attributes only
>>> +      exist for PFE3000.
>