diff --git a/Documentation/i2c/index.rst b/Documentation/i2c/index.rst
index a0fbaf6d0675..fee4744475df 100644
--- a/Documentation/i2c/index.rst
+++ b/Documentation/i2c/index.rst
@@ -4,30 +4,66 @@
 I2C/SMBus Subsystem
 ===================
 
+Introduction
+============
+
 .. toctree::
    :maxdepth: 1
 
+   summary
+   i2c-protocol
+   smbus-protocol
+   instantiating-devices
+   busses/index
+   i2c-topology
+   muxes/i2c-mux-gpio
+
+Writing device drivers
+======================
+
+.. toctree::
+   :maxdepth: 1
+
+   writing-clients
    dev-interface
    dma-considerations
    fault-codes
    functionality
+
+Debugging
+=========
+
+.. toctree::
+   :maxdepth: 1
+
    gpio-fault-injection
-   i2c-protocol
    i2c-stub
-   i2c-topology
-   instantiating-devices
-   old-module-parameters
-   slave-eeprom-backend
+
+Slave I2C
+=========
+
+.. toctree::
+   :maxdepth: 1
+
    slave-interface
-   smbus-protocol
-   summary
+   slave-eeprom-backend
+
+Advanced topics
+===============
+
+.. toctree::
+   :maxdepth: 1
+
    ten-bit-addresses
+
+Legacy documentation
+====================
+
+.. toctree::
+   :maxdepth: 1
+
    upgrading-clients
-   writing-clients
-
-   muxes/i2c-mux-gpio
-
-   busses/index
+   old-module-parameters
 
 .. only::  subproject and html