1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/input/matri
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Common Key Matrices on Matrix-connected
8
9 maintainers:
10 - Olof Johansson <olof@lixom.net>
11
12 description: |
13 A simple common binding for matrix-connected
14 defining the keys in the scope of linux key
15 standardized interface at this time.
16
17 Some users of this binding might choose to s
18 cases where there is a modifier key such as
19 for said properties are "linux,fn-keymap" or
20 word for the modifier other from "Fn".
21
22 properties:
23 linux,keymap:
24 $ref: /schemas/types.yaml#/definitions/uin
25 description: |
26 An array of packed 1-cell entries contai
27 column and linux key-code. The 32-bit bi
28 row << 24 | column << 16 | key-code
29
30 keypad,num-rows:
31 $ref: /schemas/types.yaml#/definitions/uin
32 description: Number of row lines connected
33
34 keypad,num-columns:
35 $ref: /schemas/types.yaml#/definitions/uin
36 description: Number of column lines connec
37
38 additionalProperties: true
39
40 examples:
41 - |
42 keypad {
43 /* ... */
44 linux,keymap = < 0x00030012
45 0x0102003a >;
46 keypad,num-rows = <2>;
47 keypad,num-columns = <8>;
48 };
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