1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/serio/arm,pl050.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Arm Ltd. PrimeCell PL050 PS/2 Keyboard/Mouse Interface
8
9maintainers:
10  - Andre Przywara <andre.przywara@arm.com>
11
12description:
13  The Arm PrimeCell PS2 Keyboard/Mouse Interface (KMI) is an AMBA compliant
14  peripheral that can be used to implement a keyboard or mouse interface that
15  is IBM PS2 or AT compatible.
16
17# We need a select here so we don't match all nodes with 'arm,primecell'
18select:
19  properties:
20    compatible:
21      contains:
22        const: arm,pl050
23  required:
24    - compatible
25
26properties:
27  compatible:
28    items:
29      - const: arm,pl050
30      - const: arm,primecell
31
32  reg:
33    maxItems: 1
34
35  interrupts:
36    maxItems: 1
37
38  clocks:
39    items:
40      - description: KMI reference clock, used to generate the bus timing
41      - description: APB register access clock
42
43  clock-names:
44    items:
45      - const: KMIREFCLK
46      - const: apb_pclk
47
48required:
49  - compatible
50  - reg
51  - interrupts
52  - clocks
53  - clock-names
54
55additionalProperties: false
56
57examples:
58  - |
59    serio@70000 {
60        compatible = "arm,pl050", "arm,primecell";
61        reg = <0x070000 0x1000>;
62        interrupts = <8>;
63        clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
64        clock-names = "KMIREFCLK", "apb_pclk";
65    };
66
67...
68