Re: [PATCH v2 4/4] arm64: dts: renesas: r9a09g087: add ICU support
From: Geert Uytterhoeven
Date: Mon Dec 22 2025 - 08:16:15 EST
Hi Cosmin,
On Mon, 1 Dec 2025 at 12:30, Cosmin Tanislav
<cosmin-gabriel.tanislav.xa@xxxxxxxxxxx> wrote:
> The Renesas RZ/N2H (R9A09G087) SoC has an Interrupt Controller (ICU)
> block that routes external interrupts to the GIC's SPIs, with the
> ability of level-translation, and can also produce software
> and aggregate error interrupts.
>
> Add support for it.
>
> Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@xxxxxxxxxxx>
Thanks for your patch!
> --- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
> @@ -865,6 +865,79 @@ cpg: clock-controller@80280000 {
> #power-domain-cells = <0>;
> };
>
> + icu: interrupt-controller@802a0000 {
> + compatible = "renesas,r9a09g087-icu", "renesas,r9a09g077-icu";
> + reg = <0 0x802a0000 0 0x10000>,
> + <0 0x812a0000 0 0x50>;
"<0 0x812a0000 0 0x10000>", as per Figure 5.1 ("Unified memory map").
The rest is OK, so
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v6.20, with the above fixed.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
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