diff --git a/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst b/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
index 8d2bc79896c..3cd9b2ea88d 100644
--- a/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
+++ b/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
@@ -653,6 +653,17 @@ For example, you can read a file and write to it::
     NuttX RTOS
     nsh>
 
+spi
+---
+
+This configuration enables the support for the SPI driver.
+You can test it by connecting MOSI and MISO pins which are GPIO11 and GPIO13
+by default to each other and running the ``spi`` example::
+
+    nsh> spi exch -b 2 "AB"
+    Sending:	AB
+    Received:	AB
+
 timer
 -----