Messages in this thread | | | Subject | Re: [PATCH v6 1/2] dt-bindings: leds: Add bindings for lm3697 driver | From | Jacek Anaszewski <> | Date | Tue, 11 Sep 2018 20:27:50 +0200 |
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Dan,
On 09/10/2018 09:51 PM, Dan Murphy wrote: > Jacek > > On 09/10/2018 02:07 PM, Jacek Anaszewski wrote: >> Dan, Pavel, >> >> On 09/10/2018 04:37 PM, Dan Murphy wrote: >>> Jacek >>> >>> On 09/08/2018 02:53 PM, Jacek Anaszewski wrote: >>>> Dan, >>>> >>>> On 09/07/2018 03:52 PM, Dan Murphy wrote: >>>> [...] >>>>>> >>>>>>> And I think Jacek pointed out that the bindings references in this bindings >>>>>>> don't even exist. >>>>>>> >>>>>>> I am thinking we need to deprecate this MFD driver and consolidate these drivers >>>>>>> in the LED directory as we indicated before. I did not find any ti-lmu support >>>>>>> code. >>>>>>> >>>>>>> ti-lmu common core code and then the LED children appending the feature differentiation. >>>>>> >>>>>>> Need some maintainer weigh in here. >>>>>> >>>>>> Hehe. I'm maintnainer. Fun. >>>>> >>>>> I know. I want to see if there was any other opinion. Especially for the LED driver. >>>>> >>>> [...] >>>> >>>> I have a question - is this lm3697 LED controller a cell of some MFD >>>> device? Or is it a self-contained chip? >>>> >>> >>> This is a self contained chip. And the LM3697 only function is a LED driver. >>> It does not have any other special functions like the LM363X drivers for GPIO and Regulator support. >> >> This is an argument for merging it as a standalone LED class driver >> then. It is even more justifiable, taking into account uncertainties >> related to the proper way of adding the support for it to the existing >> MFD driver, whereas the code reuse would be the only advantage of having >> thus support in MFD subsystem. >> > > Does the argument carry over to the other devices?
If we want to be consequent - yes.
> Like the LM3632 (part of the ti-lmu) has flash and torch and no other special functions > so it would look like the lm3601x family with different register mappings.
Yes, this is obvious candidate for LED class flash driver.
> The LM3631 seems to also be just a LED driver with no extra functionality > > I could go buy an EVM and put together a driver for that device as well using the lm3601x as > reference.
I'm not going to encourage you to make this expense, but to put it politically - I'd happily welcome those drivers in the LED subsystem ;-)
-- Best regards, Jacek Anaszewski
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