netdev - Re: [PATCH 0/2] Add LED mode behavior/select properties and handle

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Message-ID: <ZzMPr3TlEErExRqr@FUE-ALEWI-WINX>
Date: Tue, 12 Nov 2024 09:19:59 +0100
From: Alexander Wilhelm <alexander.wilhelm@...termo.com>
To: Pavel Machek <pavel@....cz>
Cc: Ivan Mikhaylov <i.mikhaylov@...ro.com>, marek.behun@....cz,
        linux-leds@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Add LED mode behavior/select properties and handle

Am Wed, Dec 16, 2020 at 11:41:19PM +0100 schrieb Pavel Machek:
> Hi!
> 
> > In KSZ9131 PHY it is possible to control LEDs blink behavior via
> > LED mode behavior and select registers. Add DTS properties plus handles
> > of them inside micrel PHY driver.
> > 
> > I've some concerns about passing raw register values into LED mode
> > select and behavior. It can be passed via array like in microchip
> > driver(Documentation/devicetree/bindings/net/microchip,lan78xx.txt).
> > There is the problem in this particular driver - there is a lot of other PHYs
> > and led mode behavior/select states may intersect, that's the reason why
> > I did it this way. Is there any good ways to make it look more
> > properly?
> 
> Lets... not do this?
> 
> We have a LED subsystem which should probably control the LEDs... so
> user can specify behaviours at run-time, instead of them being
> hard-coded in the device tree.
> 
> Plus, LED subsystem will use same interface for networks LEDs as for
> ... other LEDs.

Hi Pavel,

I would also like to control the LEDs via subsystem interface, but how I can
configure those to be visible in 'sys/class/leds'? My LEDs are connected
directly to KSZ9131RNX phy device and not to any of GPIO available on the CPU.
Am I missing some DTS entries therefore?


Best regards
Alexander Wilhelm

> 
> Best regards,
> 									Pavel
> -- 
> http://www.livejournal.com/~pavelmachek