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SubjectRe: [PATCH v6 2/8] regulator: dt-bindings: Document max8997-pmic nodes
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.

> Just for my understanding: I can see sub-nodes for MFD all over the
> place. It is still not clear to me why sub-nodes aren't the right
> choice in this specific case?

They probably aren't the right choice for a lot of the other usages
either, there's a great tendency to just encode the specific way that
Linux currently handles things into the DT without really thinking about
what it means.
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