dt-bindings: clock: cs2000-cp: document cirrus,clock-skip flag

This mode allows the PLL to maintain lock even when CLK_IN has
missing pulses for up to 20 ms.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220125093336.226787-4-daniel@zonque.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Documentation/devicetree/bindings/clock/cirrus,cs2000-cp.yaml

@@ -48,6 +48,12 @@ properties:
       - 3 # CS2000CP_AUX_OUTPUT_PLL_LOCK: pll lock status
     default: 0
 
+  cirrus,clock-skip:
+    description:
+      This mode allows the PLL to maintain lock even when CLK_IN
+      has missing pulses for up to 20 ms.
+    $ref: /schemas/types.yaml#/definitions/flag
+
 required:
   - compatible
   - reg