netdev - Re: [PATCH 1/2] dt-bindings: net: Add TI DP83640

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Message-ID: <20240131-tummy-imperfect-e6d6f0e245e9@spud>
Date: Wed, 31 Jan 2024 21:18:39 +0000
From: Conor Dooley <conor@...nel.org>
To: Rob Herring <robh@...nel.org>
Cc: Bastien Curutchet <bastien.curutchet@...tlin.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Richard Cochran <richardcochran@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Herve Codina <herve.codina@...tlin.com>
Subject: Re: [PATCH 1/2] dt-bindings: net: Add TI DP83640

On Wed, Jan 31, 2024 at 03:05:21PM -0600, Rob Herring wrote:
> On Tue, Jan 30, 2024 at 05:56:37PM +0000, Conor Dooley wrote:
> > On Tue, Jan 30, 2024 at 09:59:34AM +0100, Bastien Curutchet wrote:

> > > +  ti,fiber-mode:
> > > +    $ref: /schemas/types.yaml#/definitions/uint32
> > > +    enum: [0, 1]
> > > +    description: |
> > > +      If present, enables or disables the FX Fiber Mode.
> > > +      Fiber mode support can also be strapped. If the strap pin is not set
> > > +      correctly or not set at all then this can be used to configure it.
> > > +       - 0     = FX Fiber Mode disabled
> > > +       - 1     = FX Fiber Mode enabled
> > > +       - unset = Configured by straps
> > 
> > I don't like these properties that map meanings onto numbers. We can
> > have enums of strings in bindings that allow you to use something more
> > meaningful than "0" or "1".
> 
> Tristate properties are fairly common pattern where we need 
> on/off/default. I've thought about making it a type. I don't think we 
> need defines for it.

I think a type would be a good idea. I am not at all a fan of any of the
properties people introduce along these lines.

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