input: pat912x: add a bunch of settings

Add devicetree based settings for resolution, axis inversion and sleep
mode enable. Keep the resolution setting in its own function so it can
be called by the application again in runtime if needed.

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

dts/bindings/input/pixart,pat912x.yaml

@@ -25,3 +25,35 @@ properties:
     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-x-cpi:
+    type: int
+    description: |
+      CPI resolution for the X axis, range 0 to 1275, rounded down to the
+      closest supported value in increments of 5.
+
+  res-y-cpi:
+    type: int
+    description: |
+      CPI resolution for the Y axis, range 0 to 1275, rounded down to the
+      closest supported value in increments of 5.
+
+  invert-x:
+    type: boolean
+    description: |
+      Invert X axis values.
+
+  invert-y:
+    type: boolean
+    description: |
+      Invert Y axis values.
+
+  sleep1-enable:
+    type: boolean
+    description: |
+      Enable sleep1 mode.
+
+  sleep2-enable:
+    type: boolean
+    description: |
+      Enable sleep2 mode, only valid if sleep1 is also enabled.