[PATCH v3 14/14] ARM: shmobile: r8a7793: enable audio DMAC in device tree

Geert Uytterhoeven geert at linux-m68k.org
Fri Jan 15 02:45:35 PST 2016


Hi Simon,

On Fri, Jan 15, 2016 at 3:38 AM, Simon Horman
<horms+renesas at verge.net.au> wrote:
> --- a/arch/arm/boot/dts/r8a7793.dtsi
> +++ b/arch/arm/boot/dts/r8a7793.dtsi
> @@ -1201,52 +1201,119 @@
>                 status = "disabled";
>
>                 rcar_sound,dvc {
> -                       dvc0: dvc at 0 { };
> -                       dvc1: dvc at 1 { };
> +                       dvc0: dvc at 0 {
> +                               dmas = <&audma0 0xbc>;
> +                               dma-names = "tx";
> +                       };
> +                       dvc1: dvc at 1 {
> +                               dmas = <&audma0 0xbe>;
> +                               dma-names = "tx";
> +                       };
>                 };
> +
>                 rcar_sound,src {
> -                       src0: src at 0 { };
> -                       src1: src at 1 { };
> -                       src2: src at 2 { };
> -                       src3: src at 3 { };
> -                       src4: src at 4 { };
> -                       src5: src at 5 { };
> -                       src6: src at 6 { };
> -                       src7: src at 7 { };
> -                       src8: src at 8 { };
> -                       src9: src at 9 { };
> +                       src0: src at 0 {
> +                               interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>;

<GIC_SPI ...> (and more below)

>                 rcar_sound,ssi {
>                         ssi0: ssi at 0 {
>                                 interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;

<GIC_SPI ...>

Ah, you already let a few pass through before ;-)

> +                               dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>;
> +                               dma-names = "rx", "tx", "rxu", "txu";
>                         };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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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