linux-kernel - Re: [PATCH 2/3] dt-bindings: leds: Add binding for sgm3140

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Date:   Sun, 15 Mar 2020 11:47:36 +0100
From:   Luca Weiss <luca@...tu.xyz>
To:     linux-leds@...r.kernel.org, Dan Murphy <dmurphy@...com>
Cc:     Heiko Stuebner <heiko@...ech.de>, Icenowy Zheng <icenowy@...c.io>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 2/3] dt-bindings: leds: Add binding for sgm3140

Hi Dan

On Mittwoch, 11. März 2020 13:49:35 CET Dan Murphy wrote:
> Luca
> 
> On 3/9/20 3:35 PM, Luca Weiss wrote:
> > Add YAML devicetree binding for SGMICRO SGM3140 charge pump used for
> > camera flash LEDs.
> > 
> > Signed-off-by: Luca Weiss <luca@...tu.xyz>
> > ---
> > Changes since RFC:
> > - new patch
> > 
> > I'm not sure about the completeness of this binding as it doesn't
> > mention the led subnode at all.
> > The only existing led yaml binding is leds/leds-max77650.yaml which
> > mentions the subnode but duplicates properties from documented in
> > leds/common.txt.
> > 
> >   .../bindings/leds/leds-sgm3140.yaml           | 53 +++++++++++++++++++
> >   1 file changed, 53 insertions(+)
> >   create mode 100644
> >   Documentation/devicetree/bindings/leds/leds-sgm3140.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/leds/leds-sgm3140.yaml
> > b/Documentation/devicetree/bindings/leds/leds-sgm3140.yaml new file mode
> > 100644
> > index 000000000000..be9384573d02
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/leds/leds-sgm3140.yaml
> > @@ -0,0 +1,53 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: SGMICRO SGM3140 500mA Buck/Boost Charge Pump LED Driver
> > +
> > +maintainers:
> > +  - Luca Weiss <luca@...tu.xyz>
> > +
> > +description: |
> > +  The SGM3140 is a current-regulated charge pump which can regulate two
> > current +  levels for Flash and Torch modes.
> > +
> > +  It is controlled with two GPIO pins.
> 
> Please define "It".  Not sure what is controlled here.
> 

"It" means the SGM3140. Not sure how else to write that or what the correct 
term for such a component is.

> 
> Dan

Regards
Luca