linux-kernel - Re: [PATCH v3 4/4] arm64: dts: add description for solidrun cn9131 solidwan board

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Message-ID: <d0426bb3-1f40-48ed-9032-6ffdce455cd4@lunn.ch>
Date: Fri, 26 Apr 2024 20:18:03 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Josua Mayer <josua@...id-run.com>
Cc: Gregory Clement <gregory.clement@...tlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>,
	Yazan Shhady <yazan.shhady@...id-run.com>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 4/4] arm64: dts: add description for solidrun cn9131
 solidwan board

> >> Colours are similar to RJ45 connectors (yellow, green),
> >> and are intended for the same purpose: link, activity.
> > For the switch LEDs you used label = "LED10"; Does the silk screen
> > have similar numbers for these LEDs?
> Correct, on CN9130 Clearfog Pro DSA switch, all LEDs are labeled
> individually on the silk screen.
> 
> The SolidWAN SFP leds are dual-colour leds with 3 terminals:
> anode to 3.3V, 2x cathode to gpio-controlled transistors.
> They are labeled on the silk-screen as "LED9", "LED10".
> 
> Duplicate labels are not great, is there a better way?
> old style "LED9:green" e.g. ...?

So you have copper LEDs and SFP LEDs, each with the same silk screen
label? Maybe put 'copper' and 'sfp' as a prefix into the label?

       Andrew