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authorploopyco2025-11-11 23:02:52 +0100
committerGitHub2025-11-11 23:02:52 +0100
commit1a4af3adf90bd7c20e2faa4eed6715845e7f7fd6 (patch)
tree53be5c8d3d2abdaa41ed2f63051ffecdb7a6937e /docs/features/pointing_device.md
parent99b1dc84da8ed3d2544824f3480090cdb201f0fd (diff)
Add PixArt PAW-3222 mouse sensor driver (#25763)
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diff --git a/docs/features/pointing_device.md b/docs/features/pointing_device.md
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@@ -267,6 +267,23 @@ The paw 3204 sensor uses a serial type protocol for communication, and requires
The CPI range is 400-1600, with supported values of (400, 500, 600, 800, 1000, 1200 and 1600). Defaults to 1000 CPI.
+### PAW-3222 Sensor
+
+To use the PAW-3222 sensor, add this to your `rules.mk`:
+
+```make
+POINTING_DEVICE_DRIVER = paw3222
+```
+
+The following pins must be defined in `config.h`:
+
+| Setting (`config.h`) | Description | Default |
+| --------------------- | ------------------------------------------------------------------ | ---------------------------- |
+| `PAW3222_CS_PIN` | (Required) The pin connected to the chip select pin of the sensor. | `POINTING_DEVICE_CS_PIN` |
+| `PAW3222_SPI_DIVISOR` | (Required) The SPI clock divisor. This is dependent on your MCU. | _not defined_ |
+
+The CPI range is up to 4,000. Defaults to 1,000 CPI.
+
### Pimoroni Trackball
To use the Pimoroni Trackball module, add this to your `rules.mk`: