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

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Date:   Wed, 11 Mar 2020 07:49:35 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Luca Weiss <luca@...tu.xyz>, <linux-leds@...r.kernel.org>
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

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.


Dan