vendor/device-tree/4.16

1 files changed, 8 insertions, 0 deletions

diff --git a/Bindings/mfd/syscon.txt b/Bindings/mfd/syscon.txt
index 8b92d4576c425..25d9e9c2fd53a 100644
--- a/Bindings/mfd/syscon.txt
+++ b/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@20e0000 {
 	compatible = "fsl,imx6q-iomuxc-gpr", "syscon";
 	reg = <0x020e0000 0x38>;
+	hwlocks = <&hwlock1 1>;
+};
+
+hwlock1: hwspinlock@40500000 {
+	...
+	reg = <0x40500000 0x1000>;
+	#hwlock-cells = <1>;
 };