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SubjectRe: [PATCH v3 2/2] Add documentation for tca6507 devicetree bindings.
On Wed, Nov 14, 2012 at 11:26 AM, Stephen Warren <swarren@wwwdotorg.org> wrote:
> On 11/13/2012 06:05 PM, Bryan Wu wrote:
>> It looks fine to me, but I need a DT maintainer's ack. Stephen, could
>> you help on this. I will merge this patch via my tree.
>
> I'm not actually a DT maintainer; I CC'd Grant and Rob.

Sure, thanks for this.

> Marek probably wants to repost the whole patch to them. Comments below.
>
>>> diff --git a/Documentation/devicetree/bindings/leds/tca6507.txt b/Documentation/devicetree/bindings/leds/tca6507.txt
> ...
>>> +LED sub-node properties:
> ...
>>> + string defining the trigger assigned to the LED. Current triggers are:
>>> + "backlight" - LED will act as a back-light, controlled by the framebuffer
>>> + system
>>> + "default-on" - LED will turn on
>>> + "heartbeat" - LED "double" flashes at a load average based rate
>>> + "ide-disk" - LED indicates disk activity
>>> + "timer" - LED flashes at a fixed, configurable rate
>
> It would be useful to point at a single canonical document that
> describes the triggers, rather than duplicating the list into every binding.
>

Yeah, actually I saw several leds related DT binding txt are similar
and probably based on Documentation/devicetree/bindings/gpio/led.txt.
It's good to have a common one. Marek, are you going to do this? Thanks.

> Aside from that, I think this looks reasonable.
>
> Oh, looking at Documentation/devicetree/bindings/gpio/led.txt, should a
> default-state property be supported?

I'm not sure about this for ti,tca6507 and it really depends on the
driver implementation. But we can add this later.

-Bryan


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