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-rw-r--r--Documentation/devicetree/bindings/mfd/syscon.txt10
1 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt
index 408f768686f1..25d9e9c2fd53 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.txt
+++ b/Documentation/devicetree/bindings/mfd/syscon.txt
@@ -16,9 +16,17 @@ Required properties:
Optional property:
- 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.
Examples:
-gpr: iomuxc-gpr@020e0000 {
+gpr: iomuxc-gpr@20e0000 {
compatible = "fsl,imx6q-iomuxc-gpr", "syscon";
reg = <0x020e0000 0x38>;
+ hwlocks = <&hwlock1 1>;
+};
+
+hwlock1: hwspinlock@40500000 {
+ ...
+ reg = <0x40500000 0x1000>;
+ #hwlock-cells = <1>;
};