bindings/input/google%2Ccros-ec-keyb.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $id: http://devicetree.org/schemas/input/google,cros-ec-keyb.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: ChromeOS EC Keyboard
11   - Simon Glass <sjg@chromium.org>
12   - Benson Leung <bleung@chromium.org>
15   Google's ChromeOS EC Keyboard is a simple matrix keyboard
16   implemented on a separate EC (Embedded Controller) device. It provides
17   a message for reading key scans from the EC. These are then converted
24       - description: ChromeOS EC with only buttons/switches
25         const: google,cros-ec-keyb-switches
26       - description: ChromeOS EC with keyboard and possibly buttons/switches
27         const: google,cros-ec-keyb
29   google,needs-ghost-filter:
32       if the EC does not have its own logic or hardware for this.
35   function-row-physmap:
36     $ref: /schemas/types.yaml#/definitions/uint32-array
48   function-row-physmap: [ 'linux,keymap' ]
49   google,needs-ghost-filter: [ 'linux,keymap' ]
52   - compatible
58         const: google,cros-ec-keyb
60   $ref: /schemas/input/matrix-keymap.yaml#
62     - keypad,num-rows
63     - keypad,num-columns
64     - linux,keymap
69   - |
70     #include <dt-bindings/input/input.h>
71     keyboard-controller {
72         compatible = "google,cros-ec-keyb";
73         keypad,num-rows = <8>;
74         keypad,num-columns = <13>;
75         google,needs-ghost-filter;
76         function-row-physmap = <
110             /* F5      6          -          \       */
135   - |
137     keyboard-controller {
138         compatible = "google,cros-ec-keyb-switches";