diff --git a/doc/device-tree-bindings/serial/pl01x.txt b/doc/device-tree-bindings/serial/pl01x.txt
index 61c27d1..017b1e2 100644
--- a/doc/device-tree-bindings/serial/pl01x.txt
+++ b/doc/device-tree-bindings/serial/pl01x.txt
@@ -5,3 +5,6 @@
 - reg: exactly one register range with length 0x1000
 - clock: input clock frequency for the UART (used to calculate the baud
   rate divisor)
+
+Optional properties:
+- skip-init: if present, the baud rate divisor is not changed