Re: [PATCH v3 1/5] dt-bindings: interrupt-controller: Add Renesas RZ/G2L Interrupt Controller

Lad, Prabhakar
2022-05-12T17:59:21Z

Hi Geert,

Thank you for the review.

On Thu, May 12, 2022 at 7:43 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Wed, May 11, 2022 at 8:32 PM Lad Prabhakar
> <prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> > Add DT bindings for the Renesas RZ/G2L Interrupt Controller.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Thanks for the update!
>
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
> > @@ -0,0 +1,134 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/interrupt-controller/renesas,rzg2l-irqc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Renesas RZ/G2L (and alike SoC's) Interrupt Controller (IA55)
> > +
> > +maintainers:
> > + - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> > + - Geert Uytterhoeven <geert+renesas@glider.be>
> > +
> > +description: |
> > + IA55 performs various interrupt controls including synchronization for the external
> > + interrupts of NMI, IRQ, and GPIOINT and the interrupts of the built-in peripheral
> > + interrupts output by each IP. And it notifies the interrupt to the GIC
> > + - IRQ sense select for 8 external interrupts, mapped to 8 GIC SPI interrupts
> > + - GPIO pins used as external interrupt input pins, mapped to 32 GIC SPI interrupts
> > + - NMI edge select (NMI is not treated as NMI exception and supports fall edge and
> > + stand-up edge detection interrupts)
> > +
> > +allOf:
> > + - $ref: /schemas/interrupt-controller.yaml#
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - enum:
> > + - renesas,r9a07g044-irqc # RZ/G2L
> > + - const: renesas,rzg2l-irqc
> > +
> > + '#interrupt-cells':
> > + description: The first cell should contain interrupt number and the second cell
> > + is used to specify the flag.
>
> The important part is still missing: which interrupt number (the general
> description mentions 3 types)?
> I believe the answer is "external interrupt number".
>
My bad will update to "The first cell should contain an external
interrupt number (IRQ0-7) and the second cell is used to specify the
flag."

Cheers,
Prabhakar

> > + const: 2
> > +
> > +
>
> Double blank line.
>
> > + '#address-cells':
> > + const: 0
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds