linux-kernel - Re: [PATCH] dt-bindings: leds: Allow differently named multicolor leds

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Message-ID: <20250211144300.GW1868108@google.com>
Date: Tue, 11 Feb 2025 14:43:00 +0000
From: Lee Jones <lee@...nel.org>
To: j.ne@...teo.net
Cc: Pavel Machek <pavel@....cz>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Andrew Davis <afd@...com>,
	linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: leds: Allow differently named multicolor
 leds

On Sun, 09 Feb 2025, J. Neuschäfer via B4 Relay wrote:

> From: "J. Neuschäfer" <j.ne@...teo.net>
> 
> In some cases, a board may have multiple multi-leds, which can't be
> distinguished by unit address. In such cases it should be possible to
> name them differently, for example multi-led-a and multi-led-b.
> This patch adds another node name pattern to leds-class-multicolor.yaml
> to allow such names.

Which H/W needs this?  Is it upstream?  Where is the doc / usage?

> Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
> ---
>  Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> index bb40bb9e036ee00e06d21e2321ecd5a7d471c408..c22af25b6430be71300c0e37f696cd61112ea190 100644
> --- a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> @@ -21,7 +21,9 @@ description: |
>  
>  properties:
>    $nodename:
> -    pattern: "^multi-led(@[0-9a-f])?$"
> +    oneOf:
> +      - pattern: "^multi-led(@[0-9a-f])?$"
> +      - pattern: "^multi-led-.*$"
>  
>    color:
>      description: |
> 
> ---
> base-commit: 645b5c24cf8590eea322a4fd79c811817046a2e6
> change-id: 20250209-multi-led-9991e205befd
> 
> Best regards,
> -- 
> J. Neuschäfer <j.ne@...teo.net>
> 
> 

-- 
Lee Jones [李琼斯]