diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index dca677f9e1b98..ead2cccf658fd 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -44,6 +44,11 @@ properties:
     description:
       Maximum SPI clocking speed of the device in Hz.
 
+  spi-cs-setup-ns:
+    description:
+      Delay in nanosecods to be introduced by the controller after CS is
+      asserted.
+
   spi-rx-bus-width:
     description:
       Bus width to the SPI bus used for read transfers.