Message ID | efac1dfff3e6893516f527f47b82f889635122a7.1452912126.git.dhdang@apm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Fri, Jan 15, 2016 at 06:57:18PM -0800, Duc Dang wrote: > This adds the APM X-Gene SLIMpro mailbox device tree > node documentation. > > Signed-off-by: Feng Kan <fkan@apm.com> > Signed-off-by: Duc Dang <dhdang@apm.com> > --- > Changes since v3: > - Rebase over v4.4 > - Change number of mailbox IRQs to 8 > - Fix white spaces, typos. > > .../bindings/mailbox/xgene-slimpro-mailbox.txt | 35 ++++++++++++++++++++++ > 1 file changed, 35 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..91774d7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt > @@ -0,0 +1,35 @@ > +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". > + > +- reg: Contains the mailbox register address range. > + > +- interrupts: 8 interrupts must be from 0 to 7, interrupt 0 define the > + the interrupt for mailbox channel 0 and interrupt 1 for > + mailbox channel 1 and so likewise for the reminder. > + > +- #mbox-cells: only one to specify the mailbox channel number. > + > +Example: > + > +Mailbox Node: > + slimpro-mbox: slimpro-mbox@10540000 { Nit: just use mailbox@ or mbox@ (whatever others are using) for node name. Otherwise: Acked-by: Rob Herring <robh@kernel.org>
On Sat, Jan 16, 2016 at 4:13 PM, Rob Herring <robh@kernel.org> wrote: > On Fri, Jan 15, 2016 at 06:57:18PM -0800, Duc Dang wrote: >> This adds the APM X-Gene SLIMpro mailbox device tree >> node documentation. >> >> Signed-off-by: Feng Kan <fkan@apm.com> >> Signed-off-by: Duc Dang <dhdang@apm.com> >> --- >> Changes since v3: >> - Rebase over v4.4 >> - Change number of mailbox IRQs to 8 >> - Fix white spaces, typos. >> >> .../bindings/mailbox/xgene-slimpro-mailbox.txt | 35 ++++++++++++++++++++++ >> 1 file changed, 35 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..91774d7 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt >> @@ -0,0 +1,35 @@ >> +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". >> + >> +- reg: Contains the mailbox register address range. >> + >> +- interrupts: 8 interrupts must be from 0 to 7, interrupt 0 define the >> + the interrupt for mailbox channel 0 and interrupt 1 for >> + mailbox channel 1 and so likewise for the reminder. >> + >> +- #mbox-cells: only one to specify the mailbox channel number. >> + >> +Example: >> + >> +Mailbox Node: >> + slimpro-mbox: slimpro-mbox@10540000 { > > Nit: just use mailbox@ or mbox@ (whatever others are using) for node > name. Otherwise: > > Acked-by: Rob Herring <robh@kernel.org> Thanks, Rob. I will change the node name to mailbox@10540000 in the document and DT as well in the next version. Regards, Duc Dang.
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..91774d7 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt @@ -0,0 +1,35 @@ +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". + +- reg: Contains the mailbox register address range. + +- interrupts: 8 interrupts must be from 0 to 7, interrupt 0 define the + the interrupt for mailbox channel 0 and interrupt 1 for + mailbox channel 1 and so likewise for the reminder. + +- #mbox-cells: only one to specify the mailbox channel number. + +Example: + +Mailbox Node: + slimpro-mbox: slimpro-mbox@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>, + <0x0 0x7 0x4>, + };