Joystick support

docs/docs/joystick.md

@@ -0,0 +1,37 @@
+---
+layout: default
+title: Joystick support
+parent: Porting guide
+nav_order: 8
+---
+
+# Joystick
+
+Joystick can be used to send Joystick events thru USB Joystick interface.
+
+![](../img/vial-joystick.png)
+
+In order to enable Joystick support in your firmware, follow these steps:
+
+## 1. Add QMK Joystick support to `config.h`
+
+Follow [QMK documentation](https://docs.qmk.fm/#/feature_joystick) in order to configure Joystick.
+
+## 2. Enable Joystick in `rules.mk`
+
+Add `JOYSTICK_ENABLE = yes` to your `rules.mk` file.
+
+## 3. Add Vial Joystick as part of KLE keymap
+
+To enable **Joystick** on **VIAL** it is necessary to add this lines to the `vial.json` file
+
+```
+{ "vial": {
+        "Joystick": true
+        ...
+    }
+}
+
+```
+
+## Done!