Re: [PATCH 04/20] dt-bindings: i3c: dw: support up to two reset lines
From: Conor Dooley
Date: Tue Oct 20 2026 - 13:48:03 EST
On Tue, Oct 20, 2026 at 09:08:08AM +0800, Jisheng Zhang wrote:
> On Mon, Oct 19, 2026 at 02:55:14PM +0200, Philipp Zabel wrote:
> > On Di, 2026-09-29 at 14:14 +0800, Jisheng Zhang wrote:
> > > The Synopsys DesignWare I3C master controller can have multiple reset
> > > lines, such as core reset, apb reset, and dma reset.
> > >
> > > Update the DT binding documentation to increase maxItems for the resets
> > > property to 2.
> >
> > The last sentence just listed three reset lines. Why increase to 2?
>
> Per the doc, the last one is dma reset, currently dw I3C driver doesn't support dma.
> And increasing it to 3 is still dt compatible. Maybe I misunderstood
> something. what's more, I don't have platforms with all 3 resets to test and verify.
>
> If dt maintainers prefer 3 in one step, I will sent out a follow-up patch.
I think you can increase it to 3 globally, then restrict to 1 for the
altera device and 2 for your new one.
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