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-rw-r--r--Documentation/devicetree/bindings/mfd/syscon.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt
index 25d9e9c2fd53..543f319093fc 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.txt
+++ b/Documentation/devicetree/bindings/mfd/syscon.txt
@@ -14,6 +14,10 @@ Required properties:
- reg: the register region can be accessed from syscon
Optional property:
+- compatible:
+ - "fsl,imx6q-iomuxc-gpr"
+ - "fsl,imx7d-iomuxc-gpr"
+ - "fsl,imx8mp-iomuxc-gpr"
- 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.