[PATCH v3 1/3] dt-bindings: input: add Elan 400 combo keyboard/touchpad over i2c

[Jeffrey Hugo]

The Elan 400 combo keyboard/touchpad over i2c device is a distinct device
from the Elan 400 standalone touchpad device.  The combo device has been
found in the Lenovo Miix 630 and HP Envy x2 laptops.

Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@xxxxxxxxx>
---
 .../devicetree/bindings/input/elan,combo400-i2c.txt   | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/elan,combo400-i2c.txt

diff --git a/Documentation/devicetree/bindings/input/elan,combo400-i2c.txt b/Documentation/devicetree/bindings/input/elan,combo400-i2c.txt
new file mode 100644
index 000000000000..fb700a29148d
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/elan,combo400-i2c.txt
@@ -0,0 +1,11 @@
+Elantech 0400 I2C combination Keyboard/Touchpad
+
+This binding describes an Elan device with pid 0x0400, that is a combination
+keyboard + touchpad device.  This binding does not cover an Elan device with
+pid 0x0400 that is solely a standalone touchpad device.
+
+Required properties:
+- compatible: should be "elan,combo400-i2c"
+
+This binding is compatible with the HID over I2C binding, which is specified
+in hid-over-i2c.txt in this directory.
-- 
2.17.1