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SubjectRe: [PATCH net-next v9 06/16] dt-bindings: net: dsa: add bindings for Renesas RZ/N1 Advanced 5 port switch
Hi Clément,

On Fri, Jun 24, 2022 at 4:41 PM Clément Léger <clement.leger@bootlin.com> wrote:
> Add bindings for Renesas RZ/N1 Advanced 5 port switch. This switch is
> present on Renesas RZ/N1 SoC and was probably provided by MoreThanIP.
> This company does not exists anymore and has been bought by Synopsys.
> Since this IP can't be find anymore in the Synospsy portfolio, lets use
> Renesas as the vendor compatible for this IP.
>
> Signed-off-by: Clément Léger <clement.leger@bootlin.com>

Thanks for your patch!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> @@ -0,0 +1,134 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/dsa/renesas,rzn1-a5psw.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/N1 Advanced 5 ports ethernet switch
> +
> +maintainers:
> + - Clément Léger <clement.leger@bootlin.com>
> +
> +description: |
> + The advanced 5 ports switch is present on the Renesas RZ/N1 SoC family and
> + handles 4 ports + 1 CPU management port.

While diving deeper into the RZ/N1 documentation, I noticed the switch
has 4 interrupts, which are currently not described in the bindings.
Presumably the driver has no need to use them, but as DT describes
hardware, I think it would be good to submit follow-up patches for
bindings and DTS to add the interrupts.

Thanks!

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

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