Re: [PATCH v2 3/6] dt-bindings: connector: Add Toradex camera connector

[Conor Dooley]

On Wed, Oct 21, 2026 at 05:30:11PM +0200, Ernest Van Hoecke wrote:
> On Fri, Oct 02, 2026 at 06:05:24PM +0100, Conor Dooley wrote:
> > On Thu, Oct 01, 2026 at 01:44:11PM +0200, Ernest Van Hoecke wrote:
> > > From: Ernest Van Hoecke <ernest.vanhoecke@xxxxxxxxxxx>
> > > [...]
> > > +  "#gpio-cells":
> > > +    const: 2
> > > +
> > > +  gpio-map:
> > > +    minItems: 1
> > > +    maxItems: 4
> > > +
> > > +  gpio-map-mask:
> > > +    items:
> > > +      - const: 0xffffffff
> > > +      - const: 0
> > > +
> > > +  gpio-map-pass-thru:
> > > +    items:
> > > +      - const: 0
> > > +      - const: 0xffffffff
> > 
> > These seem incredibly wide for something with only 4 gpios?
> > 
> > Thanks,
> > Conor.
> > 
> 
> Hi Conor,
> 
> Thanks for the chat at ELC and clarifying what was said here on the
> list.
> 
> Regarding these masks and their width, they are indeed wide but they
> determine what to match against, and we have no reason to match anything
> except the exact number.
> 
> This was previously shortly discussed here, and clarified by Rob:
> https://lore.kernel.org/all/20260918192012.GA1465432-robh@xxxxxxxxxx/
> 
> I'll be sending a v3 of this with only the camera patches soon.

Ah, in that case I actually misunderstood the purpose of masks in next
nodes entirely!

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