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

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Date:	Fri, 15 Jan 2016 18:41:28 -0800
From:	Duc Dang <dhdang@....com>
To:	Rob Herring <robh@...nel.org>
Cc:	Jassi Brar <jassisinghbrar@...il.com>,
	Paul Bolle <pebolle@...cali.nl>,
	Devicetree List <devicetree@...r.kernel.org>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	patches <patches@....com>, Feng Kan <fkan@....com>
Subject: Re: [PATCH v3 2/3] Documentation: mailbox: Add APM X-Gene SLIMpro
 mailbox dts documentation

On Tue, Nov 10, 2015 at 6:15 AM, Rob Herring <robh@...nel.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@....com>
> > Signed-off-by: Duc Dang <dhdang@....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/

Thanks, Rob.

I will post an updated version shortly.

Regards,
Duc Dang.
>
> > +
> > +- #mbox-cells:       only one to specify the mailbox channel number.
> > +
> > +Example:
> > +
> > +Mailbox Node:
> > +             slimpro-mbox: slimpro-mbox@...40000 {
> > +                     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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