Re: [PATCH 1/2] arm64: dts: r8a7796: Enable I2C DVFS DMA

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Hi Simon,

On Fri, Jan 27, 2017 at 11:06 AM, Simon Horman
<horms+renesas@xxxxxxxxxxxx> wrote:
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/renesas/r8a7796.dtsi | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
> index c95ad177b097..c8592d05620b 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
> @@ -280,6 +280,9 @@
>                         interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
>                         clocks = <&cpg CPG_MOD 926>;
>                         power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
> +                       dmas = <&dmac1 0x11>, <&dmac1 0x10>,
> +                              <&dmac2 0x11>, <&dmac2 0x10>;
> +                       dma-names = "tx", "rx", "tx", "rx";

Have you actually tried this?

The datasheet says IIC-DVFS can use dmac0 only.

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



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