From mboxrd@z Thu Jan 1 00:00:00 1970 From: Barry Song <21cnbao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Subject: [PATCH v4 2/3] Documentation: dt: add the CSR atlas7 hwspinlock bindings document Date: Tue, 26 May 2015 08:28:30 +0000 Message-ID: <1432628911-18555-2-git-send-email-21cnbao@gmail.com> References: <1432628911-18555-1-git-send-email-21cnbao@gmail.com> Return-path: In-Reply-To: <1432628911-18555-1-git-send-email-21cnbao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: ohad-Ix1uc/W3ht7QT0dZR+AlfA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: workgroup.linux-kQvG35nSl+M@public.gmane.org, Wei Chen , Suman Anna , Bjorn Andersson , Barry Song List-Id: devicetree@vger.kernel.org From: Wei Chen The Hardware Spinlock device on atlas7 provides hardware assistance for synchronization between the multiple processors in the system (dual Cortex-A7, CAN bus Cortex-M3 and audio DSP). This patch adds the DT bindings information for this hwspinlock module. Cc: Suman Anna Cc: Bjorn Andersson Signed-off-by: Wei Chen Signed-off-by: Barry Song --- -v4: add description for "#hwlock-cells" thanks suman! .../devicetree/bindings/hwlock/sirf,hwspinlock.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt diff --git a/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt new file mode 100644 index 0000000..9bb1240a6 --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt @@ -0,0 +1,28 @@ +SIRF Hardware spinlock device Binding +----------------------------------------------- + +Required properties : +- compatible : shall contain only one of the following: + "sirf,hwspinlock" + +- reg : the register address of hwspinlock + +- #hwlock-cells : hwlock users only use the hwlock id to represent a specific + hwlock, so the number of cells should be <1> here. + +Please look at the generic hwlock binding for usage information for consumers, +"Documentation/devicetree/bindings/hwlock/hwlock.txt" + +Example of hwlock provider: + hwlock { + compatible = "sirf,hwspinlock"; + reg = <0x13240000 0x00010000>; + #hwlock-cells = <1>; + }; + +Example of hwlock users: + node { + ... + hwlocks = <&hwlock 2>; + ... + }; -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html