Mitsubishi update (#2353)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: RubyBailey <ruby_bailey11@hotmail.com>

components/climate/climate_ir.rst

@@ -42,7 +42,7 @@ submit a feature request (see FAQ).
 +---------------------------------------+---------------------+----------------------+
 | Midea                                 | ``midea_ir``        | yes                  |
 +---------------------------------------+---------------------+----------------------+
-| Mitsubishi                            | ``mitsubishi``      |                      |
+| :ref:`Mitsubishi<mitsubishi>`         | ``mitsubishi``      | yes                  |
 +---------------------------------------+---------------------+----------------------+
 | Noblex                                | ``noblex``          | yes                  |
 +---------------------------------------+---------------------+----------------------+
@@ -253,6 +253,48 @@ Known working with:
 
 - Delonghi PAC WE 120HP
 
+.. _mitsubishi:
+
+``mitsubishi`` Climate
+------------------------
+
+Additonal configurations available for this platform.
+
+Configuration variables:
+
+- **set_fan_mode** (*Optional*, string): Select the fan modes desired or that are supported on your remote. Defaults to ``3levels``
+
+  - Options are: ``3levels`` , ``4levels``, ``quiet_4levels``. 
+  
+    - ``3levels``; Low [fan speed 1], Medium [2], High [3]
+    - ``4levels``; Low [1], Middle [2], Medium [3], High [4]
+    - ``quiet_4levels``; Low [1], Middle [2], Medium [3], High [4], Quiet [5]
+
+- **supports_dry** (*Optional*, boolean): Enables setting dry mode for this unit. Defaults to ``false``.
+- **supports_fan_only** (*Optional*, boolean): Enables setting fan only mode for this unit. Confirm that mode is supported on your remote. Defaults to ``false``.
+
+- **horizontal_default** (*Optional*, string): What to default to when the AC unit's horizontal direction is *not* set to swing. Defaults to ``middle``. 
+
+  - Options are: ``left``, ``middle-left``, ``middle``, ``middle-right``, ``right``, ``auto``
+- **vertical_default** (*Optional*, string): What to default to when the AC unit's vertical direction is *not* set to swing. Defaults to ``middle``. 
+
+  - Options are: ``down``, ``middle-down``, ``middle``, ``middle-up``, ``up``, ``auto``
+
+.. note::
+
+    - This climate IR component is also known to work with some Stiebel Eltron Units. It has been tested with Stiebel Eltron IR-Remote ``KM07F`` and unit ``ACW 25 i``
+
+.. code-block:: yaml
+
+    # Example configuration entry
+    climate:
+      - platform: mitsubishi
+        name: "Heatpump"
+        set_fan_mode: "quiet_4levels"
+        supports_dry: "true"
+        supports_fan_only: "true"
+        horizontal_default: "left"
+        vertical_default: "down"
 
 .. _toshiba:
 
@@ -284,7 +326,7 @@ Configuration variables:
       ``update_interval`` must be less than seven minutes or the ``RAC-PT1411HWRU`` will revert to using its own
       internal temperature sensor; a value of 30 seconds seems to work well. See :doc:`/components/sensor/index`
       for more information.
-    
+
     - This climate IR component is also known to work with Midea model MAP14HS1TBL and may work with other similar
       models, as well. (Midea acquired Toshiba's product line and re-branded it.)