linux-kernel - Re: [PATCH v4 2/7] dt-bindings: ti-lmu: Modify dt bindings for the LM3697

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Date:   Wed, 24 Oct 2018 09:49:51 -0500
From:   Rob Herring <robh@...nel.org>
To:     Dan Murphy <dmurphy@...com>
Cc:     jacek.anaszewski@...il.com, pavel@....cz,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org, lee.jones@...aro.org, tony@...mide.com
Subject: Re: [PATCH v4 2/7] dt-bindings: ti-lmu: Modify dt bindings for the
 LM3697

On Tue, Oct 23, 2018 at 12:06:18PM -0500, Dan Murphy wrote:
> The LM3697 is a single function LED driver. The single function LED
> driver needs to reside in the LED directory as a dedicated LED driver
> and not as a MFD device.  The device does have common brightness and ramp
> features and those can be accomodated by a TI LMU framework.
> 
> The LM3697 dt binding needs to be moved from the ti-lmu.txt and a dedicated
> LED dt binding needs to be added.  The new LM3697 LED dt binding will then
> reside in the Documentation/devicetree/bindings/leds directory and follow the
> current LED and general bindings guidelines.
> 
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
> 
> v4 - Squashed removal and addition of the dt bindings into a single patch - https://lore.kernel.org/patchwork/patch/998703/

Still not really the sequence I'd like to see and what I think would 
help the discussion move along.

Patch 1: move all the devices out of ti-lmu.txt into the grouping which 
makes sense. IOW, no functional changes. Probably only strict 
sub/supersets of each other should be shared.

Patch 2-N: Make binding changes. Then we discuss things like ramp time 
properties separately from binding structure.

> 
>  .../devicetree/bindings/leds/leds-lm3697.txt  | 98 +++++++++++++++++++
>  .../devicetree/bindings/mfd/ti-lmu.txt        | 26 +----
>  2 files changed, 99 insertions(+), 25 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3697.txt