Re: [PATCH v2 2/8] dt-bindings: soc: renesas: Add the Renesas RZ/N1 GPIO Interrupt Multiplexer

[Herve Codina]

Hi Rob,

On Wed, 10 Sep 2025 09:33:16 -0500
Rob Herring <robh@xxxxxxxxxx> wrote:

> On Tue, Sep 09, 2025 at 02:00:33PM +0200, Herve Codina (Schneider Electric) wrote:
> > On the Renesas RZ/N1 SoC, GPIOs can generate interruptions. Those
> > interruption lines are multiplexed by the GPIO Interrupt Multiplexer in
> > order to map 32 * 3 GPIO interrupt lines to 8 GIC interrupt lines.
> > 
> > The GPIO interrupt multiplexer IP does nothing but select 8 GPIO
> > IRQ lines out of the 96 available to wire them to the GIC input lines.
> > 
> > Signed-off-by: Herve Codina (Schneider Electric) <herve.codina@xxxxxxxxxxx>
> > ---
> >  .../soc/renesas/renesas,rzn1-gpioirqmux.yaml  | 86 +++++++++++++++++++
> >  1 file changed, 86 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/soc/renesas/renesas,rzn1-gpioirqmux.yaml  
> 
> Documentation/devicetree/bindings/soc/renesas/renesas,rzn1-gpioirqmux.example.dts:42.13-45.34: Warning (interrupt_map): /example-0/interrupt-controller@51000480:interrupt-map: Missing property '#address-cells' in node /example-0/interrupt-controller, using 0 as fallback
> Documentation/devicetree/bindings/soc/renesas/renesas,rzn1-gpioirqmux.example.dts:42.13-45.34: Warning (interrupt_map): /example-0/interrupt-controller@51000480:interrupt-map: Missing property '#address-cells' in node /example-0/interrupt-controller, using 0 as fallback
> Documentation/devicetree/bindings/soc/renesas/renesas,rzn1-gpioirqmux.example.dts:42.13-45.34: Warning (interrupt_map): /example-0/interrupt-controller@51000480:interrupt-map: Missing property '#address-cells' in node /example-0/interrupt-controller, using 0 as fallback

Ok, I will add '#address-cells = <0>;' in the interrupt-controller node
available in the example.

Best regards,
Hervé