diff options
Diffstat (limited to 'doc/device-tree-bindings/mailbox/mailbox.txt')
-rw-r--r-- | doc/device-tree-bindings/mailbox/mailbox.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/mailbox/mailbox.txt b/doc/device-tree-bindings/mailbox/mailbox.txt new file mode 100644 index 0000000..be05b97 --- /dev/null +++ b/doc/device-tree-bindings/mailbox/mailbox.txt @@ -0,0 +1,32 @@ +* 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: +- mboxes: List of phandle and mailbox channel specifiers. + +Optional property: +- mbox-names: List of identifier strings for each mailbox channel. + +Example: + pwr_cntrl: power { + ... + mbox-names = "pwr-ctrl", "rpc"; + mboxes = <&mailbox 0 &mailbox 1>; + }; |