diff --git a/docs/Doxyfile b/docs/Doxyfile
index 4c503d3b..1516f915 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -51,6 +51,7 @@ INPUT = \
     ##
     ../../components/esp8266/include/driver/gpio.h \
     ../../components/esp8266/include/driver/i2c.h \
+    ../../components/esp8266/include/driver/i2s.h \
     ../../components/esp8266/include/driver/pwm.h \
     ../../components/esp8266/include/driver/uart.h \
     ../../components/esp8266/include/driver/adc.h \
diff --git a/docs/en/api-reference/peripherals/i2s.rst b/docs/en/api-reference/peripherals/i2s.rst
new file mode 100644
index 00000000..9b39c40a
--- /dev/null
+++ b/docs/en/api-reference/peripherals/i2s.rst
@@ -0,0 +1,7 @@
+I2S
+===
+
+API Reference
+-------------
+
+.. include:: /_build/inc/i2s.inc
diff --git a/docs/en/api-reference/peripherals/index.rst b/docs/en/api-reference/peripherals/index.rst
index 0c75709a..25fff808 100644
--- a/docs/en/api-reference/peripherals/index.rst
+++ b/docs/en/api-reference/peripherals/index.rst
@@ -6,6 +6,7 @@ Peripherals API
 
    GPIO <gpio>
    I2C <i2c>
+   I2S <i2s>
    SPI <spi>
    PWM <pwm>
    UART <uart>