bindings/input/hid-over-i2c.yaml

1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/hid-over-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: HID over I2C Devices
10   - Benjamin Tissoires <benjamin.tissoires@redhat.com>
11   - Jiri Kosina <jkosina@suse.cz>
14   HID over I2C provides support for various Human Interface Devices over the
15   I2C bus. These devices can be for example touchpads, keyboards, touch screens
19   https://msdn.microsoft.com/en-us/library/windows/hardware/hh852380.aspx
21   If this binding is used, the kernel module i2c-hid will handle the communication
22   with the device and the generic hid core layer will handle the protocol.
25   - $ref: /schemas/input/touchscreen/touchscreen.yaml#
30       - items:
31           - enum:
32               - wacom,w9013
33           - const: hid-over-i2c
34       - description: Just "hid-over-i2c" alone is allowed, but not recommended.
35         const: hid-over-i2c
43   hid-descr-addr:
44     description: HID descriptor address
49   post-power-on-delay-ms:
53   touchscreen-inverted-x: true
55   touchscreen-inverted-y: true
57   vdd-supply:
60   vddl-supply:
63   wakeup-source: true
66   - compatible
67   - reg
68   - interrupts
73   - |
74     i2c {
75         #address-cells = <1>;
76         #size-cells = <0>;
78         hid@2c {
79             compatible = "hid-over-i2c";
81             hid-descr-addr = <0x0020>;