xref: /linux/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml (revision bba2c3615bd6cfee7456d1130f2e6b01b3f4e9ba) 
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      - const: fsl,imx25-epit
18      - items:
19          - const: fsl,imx27-gpt
20          - const: fsl,imx21-gpt
21      - const: fsl,imx31-gpt
22      - items:
23          - enum:
24              - fsl,imx25-gpt
25              - fsl,imx35-gpt
26              - fsl,imx50-gpt
27              - fsl,imx51-gpt
28              - fsl,imx53-gpt
29              - fsl,imx6q-gpt
30          - const: fsl,imx31-gpt
31      - const: fsl,imx6dl-gpt
32      - items:
33          - enum:
34              - fsl,imx6sl-gpt
35              - fsl,imx6sx-gpt
36              - fsl,imx7d-gpt
37              - fsl,imx8mp-gpt
38              - fsl,imxrt1050-gpt
39              - fsl,imxrt1170-gpt
40          - const: fsl,imx6dl-gpt
41      - items:
42          - enum:
43              - fsl,imx6ul-gpt
44          - const: fsl,imx6sx-gpt
45
46  reg:
47    maxItems: 1
48
49  interrupts:
50    maxItems: 1
51
52  clocks:
53    minItems: 2
54    items:
55      - description: SoC GPT ipg clock
56      - description: SoC GPT per clock
57      - description: SoC GPT osc per clock
58
59  clock-names:
60    minItems: 2
61    items:
62      - const: ipg
63      - const: per
64      - const: osc_per
65
66required:
67  - compatible
68  - reg
69  - interrupts
70  - clocks
71  - clock-names
72
73allOf:
74  - if:
75      properties:
76        compatible:
77          contains:
78            enum:
79              - fsl,imx6dl-gpt
80              - fsl,imx6q-gpt
81    then:
82      properties:
83        clocks:
84          minItems: 2
85          maxItems: 3
86        clock-names:
87          minItems: 2
88          maxItems: 3
89    else:
90      properties:
91        clocks:
92          maxItems: 2
93        clock-names:
94          maxItems: 2
95
96additionalProperties: false
97
98examples:
99  - |
100    #include <dt-bindings/clock/imx27-clock.h>
101
102    timer@10003000 {
103        compatible = "fsl,imx27-gpt", "fsl,imx21-gpt";
104        reg = <0x10003000 0x1000>;
105        interrupts = <26>;
106        clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>,
107                 <&clks IMX27_CLK_PER1_GATE>;
108        clock-names = "ipg", "per";
109    };
110