linux-kernel - Re: [PATCH v5 1/4] hwmon: ltc2978: device tree bindings documentation

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Date:	Fri, 03 Oct 2014 08:21:29 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Mark Rutland <mark.rutland@....com>
CC:	"atull@...nsource.altera.com" <atull@...nsource.altera.com>,
	"broonie@...nel.org" <broonie@...nel.org>,
	"jdelvare@...e.de" <jdelvare@...e.de>,
	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"delicious.quinoa@...il.com" <delicious.quinoa@...il.com>,
	"dinguyen@...nsource.altera.com" <dinguyen@...nsource.altera.com>,
	"yvanderv@...nsource.altera.com" <yvanderv@...nsource.altera.com>
Subject: Re: [PATCH v5 1/4] hwmon: ltc2978: device tree bindings documentation

On 10/03/2014 06:05 AM, Mark Rutland wrote:
> On Fri, Oct 03, 2014 at 02:03:23PM +0100, Guenter Roeck wrote:
>> On 10/03/2014 05:27 AM, Mark Rutland wrote:
>>> On Thu, Oct 02, 2014 at 07:37:48PM +0100, atull@...nsource.altera.com wrote:
>>>> From: Alan Tull <atull@...nsource.altera.com>
>>>>
>>>> Add device tree bindings documentation for ltc2978.
>>>>
>>>> Signed-off-by: Alan Tull <atull@...nsource.altera.com>
>>>> ---
>>>> v2: clean whitespace
>>>> ---
>>>>    .../devicetree/bindings/hwmon/ltc2978.txt          |   41 ++++++++++++++++++++
>>>>    1 file changed, 41 insertions(+)
>>>>    create mode 100644 Documentation/devicetree/bindings/hwmon/ltc2978.txt
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt
>>>> new file mode 100644
>>>> index 0000000..b2d9c4d
>>>> --- /dev/null
>>>> +++ b/Documentation/devicetree/bindings/hwmon/ltc2978.txt
>>>> @@ -0,0 +1,41 @@
>>>> +ltc2978
>>>> +
>>>> +Required properties:
>>>> + - compatible: one of: ltc2974, ltc2977, ltc2978, ltc3880, ltc3883, ltm4676
>>>
>>> Could we please format this like:
>>>
>>> - compatible: should contain one of:
>>>     * "ltc2974"
>>>     * "ltc2977"
>>>     * "ltc2978"
>>>     * "ltc3880"
>>>     * "ltc3883"
>>>     * "ltm4676"
>>>
>>> Given the file name, are these all variants of ltc2978?
>>>
>>
>> All the chips supported by the ltc2978 driver. Some are variants
>> of the ltc2978, some have different functionality.
>
> Ok.
>
>>
>> [ should those be "linear,ltc2974" and so on ? ]
>
> Good point; yes they should. That will need a vendor-prefixes.txt
> addition.
>
Actually, turns out there already is one, only it is not immediately obvious:
lltc for "Linear Technology Corporation".

Guenter

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