Add documentation for icnt86 component

content/components/_index.md

@@ -1028,6 +1028,7 @@ at the {{< docref "light/fastled" "FastLED Light" >}}.
 "EKTF2232","components/touchscreen/ektf2232","ektf2232.svg","Inkplate 6 Plus"
 "FT63X6","components/touchscreen/ft63x6","wt32-sc01.png",""
 "GT911","components/touchscreen/gt911","esp32_s3_box_3.png",""
+"ICNT86","components/touchscreen/icnt86","icnt86.svg",""
 "Lilygo T5 4.7""","components/touchscreen/lilygo_t5_47","lilygo_t5_47_touch.jpg",""
 "TT21100","components/touchscreen/tt21100","esp32-s3-korvo-2-lcd.png",""
 "XPT2046","components/touchscreen/xpt2046","xpt2046.jpg",""

content/components/touchscreen/icnt86.md

@@ -0,0 +1,63 @@
+---
+description: "Instructions for setting up the icnt86 touchscreen controller with ESPHome"
+title: "ICNT86 Touchscreen"
+params:
+  seo:
+    description: Instructions for setting up the icnt86 touchscreen controller with ESPHome
+---
+
+The `icnt86` touchscreen controller allows using the touchscreen with ESPHome.
+The [I²C](/components/i2c) is required to be set up in your configuration for this touchscreen to work.
+The `icnt86` touchscreen controller is used in the Pico CapTouch 2.9\" e Paper Touchscreen.
+
+```yaml
+# Example configuration entry
+touchscreen:
+  - platform: icnt86
+    interrupt_pin: GPIOXX
+```
+
+## Configuration variables
+
+- **id** (*Optional*, [ID](/guides/configuration-types#id)): Manually set the ID of this touchscreen.
+- **interrupt_pin** ([Pin Schema](/guides/configuration-types#pin-schema)): The touch detection pin.
+- **reset_pin** (*Optional*, [Pin Schema](/guides/configuration-types#pin-schema)): The reset pin.
+- All other options from [Base Touchscreen Configuration](/components/touchscreen#config-touchscreen).
+
+### Sample configuration
+
+Sample configuration for the Pico CapTouch 2.9\" e-Paper Touchscreen, containing both display and touchscreen controller.
+
+```yaml
+spi:
+  clk_pin: GPIO10
+  mosi_pin: GPIO11
+
+i2c:
+   - id: bus_a
+     sda: GPIO20
+     scl: GPIO21
+   - id: bus_b
+     sda: GPIO6
+     scl: GPIO7
+
+touchscreen:
+  - platform: icnt86
+    i2c_id: bus_b
+    interrupt_pin: GPIO17
+    reset_pin: GPIO16
+    display: epaper
+
+display:
+  - platform: waveshare_epaper
+    id: epaper
+    rotation: 90
+    cs_pin: GPIO9
+    dc_pin: GPIO8
+    busy_pin: GPIO13
+    reset_pin: GPIO12
+```
+
+## See Also
+
+- {{< docref "index" "Touchscreen" >}}