Re: [PATCH v3 1/2] arm: dts: omap4+: Add DMM bindings

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On Thu, Oct 10, 2013 at 07:36:33AM +0100, Archit Taneja wrote:
> Add Dynamic Memory Manager (DMM) bindings for OMAP4 and OMAP5 devices. DMM
> only requires address and irq information.
> 
> Add documentation for the DMM bindings.
> 
> Originally worked on by Andy Gross <andygro@xxxxxxxxx>
> 
> Cc: Andy Gross <andygro@xxxxxxxxx>
> Signed-off-by: Archit Taneja <archit@xxxxxx>
> ---
>  Documentation/devicetree/bindings/arm/omap/dmm.txt | 16 ++++++++++++++++
>  arch/arm/boot/dts/omap4.dtsi                       |  7 +++++++
>  arch/arm/boot/dts/omap5.dtsi                       |  7 +++++++
>  3 files changed, 30 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/omap/dmm.txt
> 
> diff --git a/Documentation/devicetree/bindings/arm/omap/dmm.txt b/Documentation/devicetree/bindings/arm/omap/dmm.txt
> new file mode 100644
> index 0000000..6fc3d79
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/omap/dmm.txt
> @@ -0,0 +1,16 @@
> +OMAP Dynamic Memory Manager (DMM) bindings

Is there any documentation? A brief description of what this is would be
nice.

> +
> +Required properties:
> +- compatible:	Must be "ti,omap4-dmm" for OMAP4 family
> +		Must be "ti,omap5-dmm" for OMAP5 and DRA7x family

s/must be/should contain/

> +- reg:		Contains timer register address range (base address and length)

Huh? What's a timer got to do with the DMM?

> +- interrupts:	Contains interrupt information (source, etc) for the DMM IRQ

Is there a single interrupt? If so:

- interrupts: Should contain an interrupt-specifier for the DMM IRQ.

Assuming the "DMM IRQ" is well defined. If there's a name for it in
documentation, using that's preferable. If a future revision may have
multiple interrupts, please use interrupt-names now to save us endless
pain in future.

Cheers,
Mark.
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