linux-kernel - Re: [PATCH v6 2/8] regulator: dt-bindings: Document max8997-pmic nodes

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Message-ID: <20210116090306.7c3d8023.timon.baetz@protonmail.com>
Date:   Sat, 16 Jan 2021 08:03:25 +0000
From:   Timon Baetz <timon.baetz@...tonmail.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-pm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v6 2/8] regulator: dt-bindings: Document max8997-pmic nodes

On Fri, 15 Jan 2021 13:42:14 +0000, Mark Brown wrote:
> On Fri, Jan 15, 2021 at 06:19:28AM +0000, Timon Baetz wrote:
> > On Fri, 8 Jan 2021 16:16:53 +0000, Mark Brown wrote:  
> > > On Fri, Jan 08, 2021 at 03:16:48PM +0000, Timon Baetz wrote:  
> 
> > > > Muic needs a node to be used with extcon_get_edev_by_phandle().
> > > > Charger needs a node to reference a regulator.    
> 
> > > The pattern is to use the parent device's node.  
> 
> > So is extcon going to be a self-reference then?  
> 
> I guess, assuming you even need to look this up via the device tree.

I could use extcon_get_extcon_dev("max8997-muic") and basically hard
code the extcon device name in the charger driver. Then I only need
charger-supply in DTS which could be added to the parent device's node.

Would that be acceptable for everyone?

Thanks,
Timon