Re: [PATCH 1/7] dmaengine: st_fdma: Add STMicroelectronics FDMA DT binding documentation

From: Vinod Koul
Date: Wed Aug 19 2015 - 11:05:56 EST


On Wed, Jul 08, 2015 at 05:11:22PM +0100, Peter Griffin wrote:
> This patch adds the DT binding documentation for the FDMA constroller
> found on STi based chipsets from STMicroelectronics.
>
> Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx>
> Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/dma/st_fdma.txt | 76 +++++++++++++++++++++++
> 1 file changed, 76 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/dma/st_fdma.txt
>
> diff --git a/Documentation/devicetree/bindings/dma/st_fdma.txt b/Documentation/devicetree/bindings/dma/st_fdma.txt
> new file mode 100644
> index 0000000..1ec7470
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/st_fdma.txt
> @@ -0,0 +1,76 @@
> +* STMicroelectronics Flexible Direct Memory Access Device Tree bindings
> +
> +The FDMA is a general-purpose direct memory access controller capable of
> +supporting 16 independent DMA channels. It accepts up to 32 DMA requests.
> +The FDMA is based on a Slim processor which require a firmware.
> +
> +* FDMA Controller
> +
> +Required properties:
> +- compatible : Should be "st,fdma_mpe31"
> +- reg : Should contain DMA registers location and length
> +- interrupts : Should contain one interrupt shared by all channel

s/channel/channels

> +- dma-channels : Number of channels supported by the controller
> +- #dma-cells : Must be <3>.

any reason three?

--
~Vinod

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