| Message ID | 1435082402-29239-2-git-send-email-moritz.fischer@ettus.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, 2015-06-23 at 11:00AM -0700, Moritz Fischer wrote: > Changes from v4: > - Changed mbox cells property from 1 to 0 > - Fixed interrupt property > > Changes from v3: > - Changed reg size to 0x100 > > Changes from v2: > - Addressed Michal's stylistic comments > - Fixed typo in compatible string > > Changes from v1: > - Added common clock framework support > > Changes from v0: > - Fixed example bindings > > Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> > Acked-by: Michal Simek <michal.simek@xilinx.com> > --- > .../devicetree/bindings/mailbox/xilinx-mailbox.txt | 44 ++++++++++++++++++++++ > 1 file changed, 44 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt > > diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt > new file mode 100644 > index 0000000..269c026 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt > @@ -0,0 +1,44 @@ > +Xilinx Mailbox Driver > +===================== > + > +Required properties: > +- compatible : "xlnx,mailbox-2.1". > +- reg : physical base address of the mailbox and length of > + memory mapped region. > +- #mbox-cells : common mailbox binding property to identify the number > + of cells required for the mailbox specifier, should be 1 I guess this should say "should be 0" now? Sören
On Tue, Jun 23, 2015 at 11:05 AM, Sören Brinkmann <soren.brinkmann@xilinx.com> wrote: > On Tue, 2015-06-23 at 11:00AM -0700, Moritz Fischer wrote: >> Changes from v4: >> - Changed mbox cells property from 1 to 0 >> - Fixed interrupt property >> >> Changes from v3: >> - Changed reg size to 0x100 >> >> Changes from v2: >> - Addressed Michal's stylistic comments >> - Fixed typo in compatible string >> >> Changes from v1: >> - Added common clock framework support >> >> Changes from v0: >> - Fixed example bindings >> >> Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> >> Acked-by: Michal Simek <michal.simek@xilinx.com> >> --- >> .../devicetree/bindings/mailbox/xilinx-mailbox.txt | 44 ++++++++++++++++++++++ >> 1 file changed, 44 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt >> >> diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt >> new file mode 100644 >> index 0000000..269c026 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt >> @@ -0,0 +1,44 @@ >> +Xilinx Mailbox Driver >> +===================== >> + >> +Required properties: >> +- compatible : "xlnx,mailbox-2.1". >> +- reg : physical base address of the mailbox and length of >> + memory mapped region. >> +- #mbox-cells : common mailbox binding property to identify the number >> + of cells required for the mailbox specifier, should be 1 > > I guess this should say "should be 0" now? D'Oh, yeah ... Moritz
diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt new file mode 100644 index 0000000..269c026 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt @@ -0,0 +1,44 @@ +Xilinx Mailbox Driver +===================== + +Required properties: +- compatible : "xlnx,mailbox-2.1". +- reg : physical base address of the mailbox and length of + memory mapped region. +- #mbox-cells : common mailbox binding property to identify the number + of cells required for the mailbox specifier, should be 1 +- clocks : phandle to clock provider +- clock-names : must be 'mbox' + +Optional properties: +- interrupt-parent : interrupt source phandle +- interrupts : interrupt number, The interrupt specifier format + depends on the interrupt controller parent. + +Example: + mbox: mailbox@40400000 { + compatible = "xlnx,mailbox-2.1"; + reg = <0x40400000 0x100>; + interrupt-parent = <&intc>; + interrupts = <0 32 1>; + #mbox-cells = <0>; + clocks = <&clkc 15>; + clock-names = "mbox"; + }; + +Mailbox client +=============== +"mboxes" and the optional "mbox-names" (please see +Documentation/devicetree/bindings/mailbox/mailbox.txt for details). Each value +of the mboxes property should contain a phandle to the mailbox controller +device node and second argument is the channel index. It must be 0 (hardware +support only one channel). The equivalent "mbox-names" property value can be +used to give a name to the communication channel to be used by the client user. + +Example: + mclient0: mclient0@400 { + compatible = "client-1.0"; + reg = <0x400 0x10>; + mbox-names = "mbox"; + mboxes = <&mbox 0>; + };