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+Xilinx PS7 clkc
+===============
+
+In addition to the upstream bindings, following properties are understood:
+
+Optional properties:
+
+- ``ps-clock-frequency`` : Overrides the ps clock frequency set by the driver.
+ Per default the clock is set to 33.3MHz. When this property is set, the frequency
+ is overwritten by the devicetree property.