On Tue, Apr 28, 2015 at 3:57 AM, Eric Anholt <e...@anholt.net> wrote:
> From: Lubomir Rintel <lkund...@v3.sk>
>
> Signed-off-by: Lubomir Rintel <lkund...@v3.sk>
> Signed-off-by: Craig McGeachie <slap...@yahoo.com.au>
> Signed-off-by: Eric Anholt <e...@anholt.net>
> Acked-by: Lee Jones <lee.jo...@linaro.org>
> Acked-by: Stephen Warren <swar...@wwwdotorg.org>
> ---
>
> v2: Split into a separate patch for submitting to the devicetree list.
> Consistently start node docs with a capital letter. device's
> address in the example shouldn't have "0x". Drop machine-specific
> interrupt numbers from the docs. (changes by anholt).
>
> v3: Move the file to just bcm2835-mbox.txt, clean up formatting
> (changes by anholt, from review by Lee Jones).
>
> v4: Move file back by consensus from various Broadcom platform
> maintainers (changes by anholt, acked by Lee Jones).
>
> .../devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt | 19
> +++++++++++++++++++
> 1 file changed, 19 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt
>
> diff --git a/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt
> b/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt
> new file mode 100644
> index 0000000..0bb2b9d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt
> @@ -0,0 +1,19 @@
> +Broadcom BCM2835 VideoCore mailbox IPC
> +
> +Required properties:
> +
> +- compatible: Should be "brcm,bcm2835-mbox"
> +- reg: Specifies base physical address and size of the registers
> +- interrupts: The interrupt number
> + See
> bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
> +- #mbox-cells: Specifies the number of cells needed to encode a mailbox
> + channel. The value shall be 1
>
Probably also specify what that one-cell value would stand for.
> +
> +Example:
> +
> +mailbox: mailbox@7e00b800 {
> + compatible = "brcm,bcm2835-mbox";
> + reg = <0x7e00b880 0x40>;
> + interrupts = <0 1>;
> + #mbox-cells = <1>;
> +};
Usually it comes with an example user node as well.
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