input: add a paw32xx driver

Add a driver for PAW32xx sensors.

Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>

dts/bindings/input/pixart,paw32xx.yaml

@@ -0,0 +1,52 @@
+# Copyright 2024 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+description: PAW32xx ultra low power wireless mouse chip
+
+compatible: "pixart,paw32xx"
+
+include: spi-device.yaml
+
+properties:
+  motion-gpios:
+    type: phandle-array
+    required: true
+    description:
+      GPIO connected to the motion pin, active low.
+
+  zephyr,axis-x:
+    type: int
+    required: true
+    description: |
+      The input code for the X axis to report for the device, typically any of
+      INPUT_REL_*. No report produced for the device X axis if unspecified.
+
+  zephyr,axis-y:
+    type: int
+    required: true
+    description: |
+      The input code for the Y axis to report for the device, typically any of
+      INPUT_REL_*. No report produced for the device Y axis if unspecified.
+
+  res-cpi:
+    type: int
+    description: |
+      CPI resolution for the sensor. This can also be changed in runtime using
+      the paw32xx_set_resolution() API.
+
+  invert-x:
+    type: boolean
+    description: |
+      Invert X axis values.
+
+  invert-y:
+    type: boolean
+    description: |
+      Invert Y axis values.
+
+  force-awake:
+    type: boolean
+    description: |
+      Initialize the sensor in "force awake" mode. This can also be enabled or
+      disabled in runtime by the application using the paw32xx_force_awake()
+      API.