[PATCH] Documentation: Add category of subsystem-apis

[Manuel Ebner]

Add Bus and Communication category to reduce number of items in
'Other subsystems'.

Signed-off-by: Manuel Ebner <manuelebnerli@xxxxxxxxxxx>
---
 Documentation/subsystem-apis.rst | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/Documentation/subsystem-apis.rst b/Documentation/subsystem-apis.rst
index b1ad48bb40..4e886897d3 100644
--- a/Documentation/subsystem-apis.rst
+++ b/Documentation/subsystem-apis.rst
@@ -24,6 +24,20 @@ Core subsystems
    timers/index
    locking/index
 
+Bus and Communication interfaces
+--------------------------------
+
+.. toctree::
+   :maxdepth: 1
+
+   i2c/index
+   pcmcia/index
+   spi/index
+   w1/index
+   usb/index
+   PCI/index
+   peci/index
+
 Human interfaces
 ----------------
 
@@ -72,11 +86,7 @@ Other subsystems
    cpu-freq/index
    edac/index
    fpga/index
-   i2c/index
    iio/index
-   pcmcia/index
-   spi/index
-   w1/index
    watchdog/index
    virt/index
    hwmon/index
@@ -84,9 +94,6 @@ Other subsystems
    security/index
    crypto/index
    bpf/index
-   usb/index
-   PCI/index
    misc-devices/index
-   peci/index
    wmi/index
    tee/index
-- 
2.55.0