From a10a5d019acc203c2ab531104788e4e053578e21 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 4 Nov 2014 11:21:58 +0100 Subject: dts: update to v3.18-rc2 Signed-off-by: Sascha Hauer --- dts/Bindings/mailbox/mailbox.txt | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 dts/Bindings/mailbox/mailbox.txt (limited to 'dts/Bindings/mailbox') diff --git a/dts/Bindings/mailbox/mailbox.txt b/dts/Bindings/mailbox/mailbox.txt new file mode 100644 index 0000000000..1a2cd3d266 --- /dev/null +++ b/dts/Bindings/mailbox/mailbox.txt @@ -0,0 +1,38 @@ +* 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 + required by the client. The use of this property + is discouraged in favor of using index in list of + 'mboxes' while requesting a mailbox. Instead the + platforms may define channel indices, in DT headers, + to something legible. + +Example: + pwr_cntrl: power { + ... + mbox-names = "pwr-ctrl", "rpc"; + mboxes = <&mailbox 0 + &mailbox 1>; + }; -- cgit v1.2.3