Docs about PSK auth and SSDP discovery in Bravia TV (#23996)

source/_integrations/braviatv.markdown

@@ -16,6 +16,7 @@ ha_platforms:
   - button
   - media_player
   - remote
+ha_ssdp: true
 ha_integration_type: integration
 ---
 
@@ -25,11 +26,20 @@ Almost all [Sony Bravia TV 2013 and newer](https://info.tvsideview.sony.net/en_w
 
 {% include integrations/config_flow.md %}
 
+## Authentication
+
+The Bravia TV integration supports two types of authentication:
+
+- **PSK (Pre-Shared-Key)** is a user-defined secret key used for access control. This authentication method is recommended as more reliable and stable. To set up and enable PSK on your TV, go to: **Settings -> Network -> Home Network Setup -> IP Control**.
+- **PIN Code** authentication is easier and does not require additional settings.
+
+For more information, see [IP Control Authentication](https://pro-bravia.sony.net/develop/integrate/ip-control/index.html#ip-control-authentication).
+
 ## Common Issues
 
 ### TV does not generate new pin
 
-If you have previously set up your TV with any Home Assistant instances, you must remove Home Assistant from your TV in order for your TV to generate a new pin. To do this, you must do **one** of the following:
+If you have previously set up your TV with any Home Assistant instances via PIN code, you must remove Home Assistant from your TV in order for your TV to generate a new pin. To do this, you must do **one** of the following:
 
 - On your TV, go to: **Settings** -> **Network** -> **Remote device settings** -> **Deregister remote device**. Disable and re-enable the **Control remotely** after. Menu titles may differ slightly between models. If needed, refer to your specific model's [manual](https://www.sony.com/electronics/support/manuals) for additional guidance.
 - Reset your TV to factory condition.