linux-kernel - [PATCH 1/2] dt-bindings: soc: Add ZynqMP PM bindings

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Date:   Tue, 27 Feb 2018 15:24:25 -0800
From:   Jolly Shah <jolly.shah@...inx.com>
To:     <matthias.bgg@...il.com>, <andy.gross@...aro.org>,
        <shawnguo@...nel.org>, <geert+renesas@...der.be>,
        <bjorn.andersson@...aro.org>, <sean.wang@...iatek.com>,
        <m.szyprowski@...sung.com>, <michal.simek@...inx.com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <rajanv@...inx.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Jolly Shah <jollys@...inx.com>
Subject: [PATCH 1/2] dt-bindings: soc: Add ZynqMP PM bindings

Add documentation to describe Xilinx ZynqMP power management
bindings.

Signed-off-by: Jolly Shah <jollys@...inx.com>
Signed-off-by: Rajan Vaja <rajanv@...inx.com>
---
 .../bindings/soc/xilinx/xlnx,zynqmp-power.txt      | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt

diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt
new file mode 100644
index 0000000..5b7d963
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt
@@ -0,0 +1,28 @@
+Xilinx Zynq MPSoC Power Management Device Tree Bindings
+
+The zynqmp-power node describes the power management configurations.
+
+Required properties:
+ - compatible	: Must contain:  "xlnx,zynqmp-power"
+ - mbox-names	: Name given to channels seen in the 'mboxes' property.
+		  "rx" - Mailbox corresponding to receive path
+		  "tx" - Mailbox corresponding to transmit path
+ - mboxes	: Standard property to specify a Mailbox. Each value of
+		  the mboxes property should contain a phandle to the
+		  mailbox controller device node and an args specifier
+		  that will be the phandle to the intended sub-mailbox
+		  child node to be used for communication. See
+		  Documentation/devicetree/bindings/mailbox/mailbox.txt
+		  for more details about the generic mailbox controller
+		  and client driver bindings. Also see
+		  Documentation/devicetree/bindings/mailbox/ \
+		  xlnx,zynqmp-ipi-mailbox.txt for typical controller that
+		  is used to communicate with this System controllers.
+
+Examples:
+	zynqmp_power: zynqmp-power {
+		compatible = "xlnx,zynqmp-power";
+		mboxes = <&ipi_mailbox_pmu0 0>,
+			 <&ipi_mailbox_pmu0 1>;
+		mbox-names = "tx", "rx";
+	};
-- 
2.7.4