Re: [PATCH v6 1/4] arm64: dts: renesas: r9a09g047: Add RZ/G3E Sound support

[Geert Uytterhoeven]

On Fri, 19 Jun 2026 at 10:40, John Madieu <john.madieu.xa@xxxxxxxxxxxxxx> wrote:
>
> Add the snd_rzg3e node for the RZ/G3E SoC with all sub-components:
>
> - SSI (Serial Sound Interface) units 0-9
> - SSIU (Serial Sound Interface Unit) units 0-27
> - SRC (Sample Rate Converter) units 0-9
> - CTU (Channel Transfer Unit) units 0-7
> - DVC (Digital Volume Control) units 0-1
> - MIX (Mixer) units 0-1
>
> Sub-node names follow the new RZ/G3E sound binding: unprefixed
> 'ssi', 'ssiu', 'src', 'dvc', 'mix', 'ctu' wrapper nodes instead of
> the legacy 'rcar_sound,xxx' R-Car prefix.
>
> Wire up all 5 DMA controllers (dmac0-dmac4) for each audio sub-node
> with repeated channel names, so that the DMA core can pick the first
> available controller.
>
> Signed-off-by: John Madieu <john.madieu.xa@xxxxxxxxxxxxxx>
> ---
>
> Chqnges:
>
> v6: No changes.

You did adjust the size of the SCU register block.

> --- a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
> @@ -912,6 +912,468 @@ rsci9: serial@12803000 {
>                         status = "disabled";
>                 };
>
> +               snd_rzg3e: sound@13c00000 {
> +                       compatible = "renesas,r9a09g047-sound";
> +                       reg = <0 0x13c00000 0 0x20000>, /* SCU */
> +                             <0 0x13c20000 0 0x10000>, /* ADG */
> +                             <0 0x13c30000 0 0x1000>,  /* SSIU */
> +                             <0 0x13c31000 0 0x1f000>, /* SSI */
> +                             <0 0x13c50000 0 0x10000>; /* Audio DMAC peri peri */

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