netdev - Re: [PATCH v2 1/8] dt-bindings: pinctrl: mvebu: Document bindings for AC5

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Date:   Wed, 23 Mar 2022 13:34:22 -0500
From:   Rob Herring <robh@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Chris Packham <Chris.Packham@...iedtelesis.co.nz>,
        "huziji@...vell.com" <huziji@...vell.com>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will@...nel.org" <will@...nel.org>,
        "gregory.clement@...tlin.com" <gregory.clement@...tlin.com>,
        "sebastian.hesselbarth@...il.com" <sebastian.hesselbarth@...il.com>,
        "adrian.hunter@...el.com" <adrian.hunter@...el.com>,
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        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 1/8] dt-bindings: pinctrl: mvebu: Document bindings
 for AC5

On Tue, Mar 15, 2022 at 01:27:48AM +0100, Andrew Lunn wrote:
> > I think it can. I vaguely remember seeing conditional clauses based on 
> > compatible strings in other yaml bindings.
> > 
> > I started a new binding document because I expected adding significant 
> > additions to the existing .txt files would be rejected. If I get some 
> > cycles I could look at converting the existing docs from txt to yaml.
> > 
> > I'm not sure that there will be much in the way of a common 
> > mvebu-pinctrl.yaml as you'd end up repeating most of the common stuff to 
> > make things conditional anyway.
> 
> We should wait for Rob to comment. But is suspect you are right, there
> will not be much savings.

It's always a judgement call of amount of if/then schema vs. duplicating 
the common parts. If it's the function/pin parts that vary, then that's 
probably best as separate schema for each case. Otherwise, I'm not sure 
without seeing something.

Rob