From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jassi Brar Subject: [PATCHv10 4/4] dt: mailbox: add generic bindings Date: Fri, 1 Aug 2014 18:02:45 +0530 Message-ID: <1406896365-4971-1-git-send-email-jaswinder.singh@linaro.org> References: <1406896194-4667-1-git-send-email-jaswinder.singh@linaro.org> Return-path: In-Reply-To: <1406896194-4667-1-git-send-email-jaswinder.singh@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ks.giri@samsung.com, arnd@arndb.de, ijc+devicetree@hellion.org.uk, mark.rutland@arm.com, robh+dt@kernel.org, pawel.moll@arm.com, courtney.cavin@sonymobile.com, mporter@linaro.org, slapdau@yahoo.com.au, lftan.linux@gmail.com, loic.pallardy@st.com, s-anna@ti.com, ashwin.chaugule@linaro.org, bjorn@kryo.se, patches@linaro.org, mollie.wu@linaro.org, t.takinishi@jp.fujitsu.com, broonie@linaro.org, khilman@linaro.org, lee.jones@linaro.org, andy.green@linaro.org, Jassi Brar List-Id: devicetree@vger.kernel.org Define generic bindings for the framework clients to request mailbox channels. Signed-off-by: Jassi Brar --- .../devicetree/bindings/mailbox/mailbox.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 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..bb79678 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/mailbox.txt @@ -0,0 +1,36 @@ +* 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. + +Example: + pwr_cntrl: power { + ... + mbox-names = "pwr-ctrl", "rpc"; + mboxes = <&mailbox 0 + &mailbox 1>; + }; -- 1.8.1.2