| Message ID | 1432751745-17473-2-git-send-email-moritz.fischer@ettus.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 05/27/2015 08:35 PM, Moritz Fischer wrote: > Changes from v1: > - Added common clock framework support > > Changes from v0: > - Fixed example bindings > > Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> > --- > .../bindings/mailbox/xilinx-mailbox.txt | 44 ++++++++++++++++++++ > 1 file changed, 44 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt > new file mode 100644 > index 0000000..50d0e5c > --- /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. remove dot at the end - it is not a sentence. > +- #mbox-cells : Common mailbox binding property to identify the number > + of cells required for the mailbox specifier. Should be 1. use small letters as you use in the whole description and remove dots. > +- 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,axi-mailbox-2.1"; > + reg = <0x40400000 0x3c>; It is just example but I don't think that you can select in vivado size only 0x3c. That's actual size of regs right? Thanks, Michal
diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt new file mode 100644 index 0000000..50d0e5c --- /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,axi-mailbox-2.1"; + reg = <0x40400000 0x3c>; + interrupt-parent = <&intc>; + interrupts = <5>; + #mbox-cells = <1>; + 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>; + };
Changes from v1: - Added common clock framework support Changes from v0: - Fixed example bindings Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> --- .../bindings/mailbox/xilinx-mailbox.txt | 44 ++++++++++++++++++++ 1 file changed, 44 insertions(+)