xref: /linux/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml (revision daa2be74b1b2302004945b2a5e32424e177cc7da) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/timer/fsl,imxgpt.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale i.MX General Purpose Timer (GPT)
8
9maintainers:
10  - Sascha Hauer <s.hauer@pengutronix.de>
11
12properties:
13  compatible:
14    oneOf:
15      - const: fsl,imx1-gpt
16      - const: fsl,imx21-gpt
17      - items:
18          - const: fsl,imx27-gpt
19          - const: fsl,imx21-gpt
20      - const: fsl,imx31-gpt
21      - items:
22          - enum:
23              - fsl,imx25-gpt
24              - fsl,imx50-gpt
25              - fsl,imx51-gpt
26              - fsl,imx53-gpt
27              - fsl,imx6q-gpt
28          - const: fsl,imx31-gpt
29      - const: fsl,imx6dl-gpt
30      - items:
31          - enum:
32              - fsl,imx6sl-gpt
33              - fsl,imx6sx-gpt
34              - fsl,imx8mp-gpt
35              - fsl,imxrt1050-gpt
36              - fsl,imxrt1170-gpt
37          - const: fsl,imx6dl-gpt
38      - items:
39          - enum:
40              - fsl,imx6ul-gpt
41              - fsl,imx7d-gpt
42          - const: fsl,imx6sx-gpt
43
44  reg:
45    maxItems: 1
46
47  interrupts:
48    maxItems: 1
49
50  clocks:
51    minItems: 2
52    items:
53      - description: SoC GPT ipg clock
54      - description: SoC GPT per clock
55      - description: SoC GPT osc per clock
56
57  clock-names:
58    minItems: 2
59    items:
60      - const: ipg
61      - const: per
62      - const: osc_per
63
64required:
65  - compatible
66  - reg
67  - interrupts
68  - clocks
69  - clock-names
70
71allOf:
72  - if:
73      properties:
74        compatible:
75          contains:
76            enum:
77              - fsl,imx6dl-gpt
78              - fsl,imx6q-gpt
79    then:
80      properties:
81        clocks:
82          minItems: 2
83          maxItems: 3
84        clock-names:
85          minItems: 2
86          maxItems: 3
87    else:
88      properties:
89        clocks:
90          maxItems: 2
91        clock-names:
92          maxItems: 2
93
94additionalProperties: false
95
96examples:
97  - |
98    #include <dt-bindings/clock/imx27-clock.h>
99
100    timer@10003000 {
101        compatible = "fsl,imx27-gpt", "fsl,imx21-gpt";
102        reg = <0x10003000 0x1000>;
103        interrupts = <26>;
104        clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>,
105                 <&clks IMX27_CLK_PER1_GATE>;
106        clock-names = "ipg", "per";
107    };
108