Re: [PATCH] dt-bindings: i3c: dw: Document missing optional core reset

[Rob Herring]

On Fri, Jul 17, 2026 at 01:33:15PM +0200, Krzysztof Kozlowski wrote:
> On 17/07/2026 12:58, Shubham Patil wrote:
> > The DesignWare I3C master IP supports a core reset input, but the
> > binding is missing the corresponding reset description.
> > 
> > Document the reset property and name in the binding. Keep the reset
> > optional because the reset line is integration-specific..
> > 
> > Signed-off-by: Shubham Patil <shubhamsanjay.patil@xxxxxxx>
> > ---
> > Note:
> > The DesignWare I3C driver support was added by
> > 1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP").
> > 
> > The original Synopsys DesignWare I3C binding was added by
> > 116e246a8bcd ("dt-binding: i3c: Document Synopsys DesignWare I3C"),
> > but it did not document the optional core reset.
> > ---
> >  .../devicetree/bindings/i3c/snps,dw-i3c-master.yaml         | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml
> > index e803457d3f55..822faf8d221b 100644
> > --- a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml
> > +++ b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml
> > @@ -38,6 +38,12 @@ properties:
> >    interrupts:
> >      maxItems: 1
> >  
> > +  resets:
> > +    maxItems: 1
> > +
> > +  reset-names:
> > +    const: core_rst
> 
> Drop the names, pretty redundant, and fix the driver. Sneaking ABI is a
> poor excuse, IMO, to keep discouraged names.

While fixing the driver, the clock names sashiko pointed out can be 
fixed too.

Rob