[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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