[PATCH v3 2/3] Documentation: mailbox: Add APM X-Gene SLIMpro mailbox dts documentation

Rob Herring robh at kernel.org
Tue Nov 10 06:15:02 PST 2015


On Mon, Nov 09, 2015 at 10:05:44AM -0800, Duc Dang wrote:
> This adds the APM X-Gene SLIMpro mailbox device tree
> node documentation.
> 
> [dhdang: rebase over 4.3-rc5]
> Signed-off-by: Feng Kan <fkan at apm.com>
> Signed-off-by: Duc Dang <dhdang at apm.com>
> ---
>  .../bindings/mailbox/xgene-slimpro-mailbox.txt     | 34 ++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt
> new file mode 100644
> index 0000000..d02a3d8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt
> @@ -0,0 +1,34 @@
> +The APM X-Gene SLIMpro mailbox is used to communicate messages between
> +the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple
> +interrupt based door bell mechanism and can exchange simple messages using the
> +internal registers.
> +
> +There are total of 7 interrupts in this mailbox. Each used for an individual
> +door bell (or mailbox channel).
> +
> +Required properties:
> +- compatible:	Should be as "apm, xgene-slimpro-mbox".
                                          ^
remove the space

> +
> +- reg:		Contain the mailbox register address range.

s/Contain/Contains/

> +
> +- interrupts:	7 interrupts must start from 0 to 6, interrupt 0 define the
> +		the interrupt for mailbox channel 0 and interrupt 1 for
> +		mailbox channel 1 and so likewise for the reminder.

s/start/be/

> +
> +- #mbox-cells:	only one to specify the mailbox channel number.
> +
> +Example:
> +
> +Mailbox Node:
> +		slimpro-mbox: slimpro-mbox at 10540000 {
> +			compatible = "apm,xgene-slimpro-mbox";
> +			reg = <0x0 0x10540000 0x0 0xa000>;
> +			#mbox-cells = <1>;
> +			interrupts =  	<0x0 0x0 0x4>,
> +					<0x0 0x1 0x4>,
> +					<0x0 0x2 0x4>,
> +					<0x0 0x3 0x4>,
> +					<0x0 0x4 0x4>,
> +					<0x0 0x5 0x4>,
> +					<0x0 0x6 0x4>,
> +		};
> -- 
> 1.9.1
> 
> --
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