Due to the platform specific nature of remote's firmware, we can't do much
to facilitate shareable client drivers. So the Mailbox api is more like a
bunch of useful functions put together. The only feature that can be
abstracted out is mailbox channel assignment to client drivers, which this
binding specifies.
Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
---
.../devicetree/bindings/mailbox/mailbox.txt | 33 ++++++++++++++++++++++
1 file changed, 33 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mailbox/mailbox.txt
diff --git a/Documentation/devicetree/bindings/mailbox/mailbox.txt b/Documentation/devicetree/bindings/mailbox/mailbox.txt
new file mode 100644
index 0000000..3f00955
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/mailbox.txt
@@ -0,0 +1,33 @@
+* Generic Mailbox Controller and client driver bindings
+
+Generic binding to provide a way for Mailbox controller drivers to
+assign appropriate mailbox channel to client drivers.
+
+* Mailbox Controller
+
+Required property:
+- #mbox-cells: Must be at least 1. Number of cells in a mailbox
+ specifier.
+
+Example:
+ mailbox: mailbox {
+ ...
+ #mbox-cells = <1>;
+ };
+
+
+* Mailbox Client
+
+Required property:
+- mbox: List of phandle and mailbox channel specifier.
+
+- mbox-names: List of identifier strings for each mailbox channel
+ required by the client.
+
+Example:
+ pwr_cntrl: power {
+ ...
+ mbox-names = "pwr-ctrl", "rpc";
+ mbox = <&mailbox 0
+ &mailbox 1>;
+ };
--
1.8.1.2
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