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author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-11-04 11:21:58 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-11-04 11:21:58 +0100 |
commit | a10a5d019acc203c2ab531104788e4e053578e21 (patch) | |
tree | 0011860c7339972ae08f994aed4dd1d94e58fcee /dts/Bindings/mailbox | |
parent | 604ad71929a1deabe77b7ab9c3655d82002d79c9 (diff) | |
download | barebox-a10a5d019acc203c2ab531104788e4e053578e21.tar.gz barebox-a10a5d019acc203c2ab531104788e4e053578e21.tar.xz |
dts: update to v3.18-rc2
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/mailbox')
-rw-r--r-- | dts/Bindings/mailbox/mailbox.txt | 38 |
1 files changed, 38 insertions, 0 deletions
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>; + }; |