xref: /linux/Documentation/devicetree/bindings/timer/fsl,gtm.yaml (revision 6376c0770656f3bdf7f411faf068371b6932aeca) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/timer/fsl,gtm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale General-purpose Timers Module
8
9maintainers:
10  - J. Neuschäfer <j.ne@posteo.net>
11
12properties:
13  compatible:
14    oneOf:
15      # for SoC GTMs
16      - items:
17          - enum:
18              - fsl,mpc8308-gtm
19              - fsl,mpc8313-gtm
20              - fsl,mpc8315-gtm
21              - fsl,mpc8360-gtm
22          - const: fsl,gtm
23
24      # for QE GTMs
25      - items:
26          - enum:
27              - fsl,mpc8360-qe-gtm
28              - fsl,mpc8569-qe-gtm
29          - const: fsl,qe-gtm
30          - const: fsl,gtm
31
32      # for CPM2 GTMs (no known examples)
33      - items:
34          # - enum:
35          #     - fsl,<chip>-cpm2-gtm
36          - const: fsl,cpm2-gtm
37          - const: fsl,gtm
38
39  reg:
40    maxItems: 1
41
42  interrupts:
43    items:
44      - description: Interrupt for timer 1 (e.g. GTM1 or GTM5)
45      - description: Interrupt for timer 2 (e.g. GTM2 or GTM6)
46      - description: Interrupt for timer 3 (e.g. GTM3 or GTM7)
47      - description: Interrupt for timer 4 (e.g. GTM4 or GTM8)
48
49  clock-frequency: true
50
51required:
52  - compatible
53  - reg
54  - interrupts
55  - clock-frequency
56
57additionalProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/interrupt-controller/irq.h>
62
63    timer@500 {
64        compatible = "fsl,mpc8360-gtm", "fsl,gtm";
65        reg = <0x500 0x40>;
66        interrupts = <90 IRQ_TYPE_LEVEL_LOW>,
67                     <78 IRQ_TYPE_LEVEL_LOW>,
68                     <84 IRQ_TYPE_LEVEL_LOW>,
69                     <72 IRQ_TYPE_LEVEL_LOW>;
70        /* filled by u-boot */
71        clock-frequency = <0>;
72    };
73
74  - |
75    timer@440 {
76        compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm";
77        reg = <0x440 0x40>;
78        interrupts = <12>, <13>, <14>, <15>;
79        /* filled by u-boot */
80        clock-frequency = <0>;
81    };
82
83...
84