On Fri, Mar 13, 2020 at 9:58 AM Kunihiko Hayashi
<hayashi.kunihiko@xxxxxxxxxxxxx> wrote:
>
> Add external DMA controller support implemented in UniPhier SoCs.
> This supports for Pro4, Pro5 and PXs2.
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/uniphier-pro4.dtsi | 8 ++++++++
> arch/arm/boot/dts/uniphier-pro5.dtsi | 8 ++++++++
> arch/arm/boot/dts/uniphier-pxs2.dtsi | 8 ++++++++
> 3 files changed, 24 insertions(+)
>
> diff --git a/arch/arm/boot/dts/uniphier-pro4.dtsi b/arch/arm/boot/dts/uniphier-pro4.dtsi
> index 2ec04d7..a1bfe0f 100644
> --- a/arch/arm/boot/dts/uniphier-pro4.dtsi
> +++ b/arch/arm/boot/dts/uniphier-pro4.dtsi
> @@ -426,6 +426,14 @@
> };
> };
>
> + xdmac: dma-controller@5fc10000 {
> + compatible = "socionext,uniphier-xdmac";
> + reg = <0x5fc10000 0x1000>, <0x5fc20000 0x800>;
This is odd.
<0x5fc20000 0x800> causes reg overwrap with
aidet@5fc20000 below.
> + interrupts = <0 188 4>;
> + dma-channels = <16>;
> + #dma-cells = <2>;
> + };
> +
> aidet: aidet@5fc20000 {
> compatible = "socionext,uniphier-pro4-aidet";
> reg = <0x5fc20000 0x200>;
> diff --git a/arch/arm/boot/dts/uniphier-pro5.dtsi b/arch/arm/boot/dts/uniphier-pro5.dtsi
> index ea3961f..ecab061 100644
> --- a/arch/arm/boot/dts/uniphier-pro5.dtsi
> +++ b/arch/arm/boot/dts/uniphier-pro5.dtsi
> @@ -408,6 +408,14 @@
> };
> };
>
> + xdmac: dma-controller@5fc10000 {
> + compatible = "socionext,uniphier-xdmac";
> + reg = <0x5fc10000 0x1000>, <0x5fc20000 0x800>;
> + interrupts = <0 188 4>;
> + dma-channels = <16>;
> + #dma-cells = <2>;
> + };
> +
> aidet: aidet@5fc20000 {
> compatible = "socionext,uniphier-pro5-aidet";
> reg = <0x5fc20000 0x200>;
> diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi
> index 13b0d4a..6e60154 100644
> --- a/arch/arm/boot/dts/uniphier-pxs2.dtsi
> +++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi
> @@ -508,6 +508,14 @@
> };
> };
>
> + xdmac: dma-controller@5fc10000 {
> + compatible = "socionext,uniphier-xdmac";
> + reg = <0x5fc10000 0x1000>, <0x5fc20000 0x800>;
> + interrupts = <0 188 4>;
> + dma-channels = <16>;
> + #dma-cells = <2>;
> + };
> +
> aidet: aidet@5fc20000 {
> compatible = "socionext,uniphier-pxs2-aidet";
> reg = <0x5fc20000 0x200>;
> --
> 2.7.4
>
--
Best Regards
Masahiro Yamada
