MLK-12284-2 doc: syscon: add clocks as optional property

User can specify clocks in devicetree which is used for accessing the
registers in this regmap.

Signed-off-by: Dong Aisheng <b29396@freescale.com>
(cherry picked from commit 4a89ef5b579e6fb5640df099ee13939ca6d3a325)
[Arul: Fix merge conflicts]
Signed-off-by: Arulpandiyan Vadivel <arulpandiyan_vadivel@mentor.com>

diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt
index 25d9e9c..c66315b 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/syscon.txt
+++ b/Documentation/devicetree/bindings/mfd/syscon.txt
@@ -13,10 +13,11 @@ Required properties:
 - compatible: Should contain "syscon".
 - reg: the register region can be accessed from syscon
 
-Optional property:
+Optional properties:
 - reg-io-width: the size (in bytes) of the IO accesses that should be
   performed on the device.
 - hwlocks: reference to a phandle of a hardware spinlock provider node.
+- clocks: clock used for accessing the regmap
 
 Examples:
 gpr: iomuxc-gpr@20e0000 {