[PATCH v3 2/3] Documentation: mailbox: Add APM X-Gene SLIMpro mailbox dts documentation
Duc Dang
dhdang at apm.com
Tue Nov 10 10:42:21 PST 2015
On Tue, Nov 10, 2015 at 6:15 AM, Rob Herring <robh at kernel.org> wrote:
> 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
I will fix in next version of the patch.
>
>> +
>> +- reg: Contain the mailbox register address range.
>
> s/Contain/Contains/
Will change.
>
>> +
>> +- 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/
Will change.
>
>> +
>> +- #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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Regards,
Duc Dang.
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