uinput: document the port field for device registration
Bug: 245989146
Change-Id: I84dfce5d216a5065611bf63f61e803a93e76b58f
Test: check gittiles rendering
diff --git a/cmds/uinput/README.md b/cmds/uinput/README.md
index 82df555..e7361fe 100644
--- a/cmds/uinput/README.md
+++ b/cmds/uinput/README.md
@@ -48,6 +48,7 @@
| `vid` | 16-bit integer | Vendor ID |
| `pid` | 16-bit integer | Product ID |
| `bus` | string | Bus that device should use |
+| `port` | string | `phys` value to report |
| `configuration` | object array | uinput device configuration|
| `ff_effects_max` | integer | `ff_effects_max` value |
| `abs_info` | array | Absolute axes information |