xref: /linux/Documentation/devicetree/bindings/clock/imx8m-clock.yaml (revision 42874e4eb35bdfc54f8514685e50434098ba4f6c) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/imx8m-clock.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NXP i.MX8M Family Clock Control Module
8
9maintainers:
10  - Anson Huang <Anson.Huang@nxp.com>
11
12description: |
13  NXP i.MX8M Mini/Nano/Plus/Quad clock control module is an integrated clock
14  controller, which generates and supplies to all modules.
15
16properties:
17  compatible:
18    enum:
19      - fsl,imx8mm-ccm
20      - fsl,imx8mn-ccm
21      - fsl,imx8mp-ccm
22      - fsl,imx8mq-ccm
23
24  reg:
25    maxItems: 1
26
27  interrupts:
28    maxItems: 2
29
30  clocks:
31    minItems: 6
32    maxItems: 7
33
34  clock-names:
35    minItems: 6
36    maxItems: 7
37
38  '#clock-cells':
39    const: 1
40    description:
41      The clock consumer should specify the desired clock by having the clock
42      ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8m-clock.h
43      for the full list of i.MX8M clock IDs.
44
45required:
46  - compatible
47  - reg
48  - clocks
49  - clock-names
50  - '#clock-cells'
51
52allOf:
53  - if:
54      properties:
55        compatible:
56          contains:
57            const: fsl,imx8mq-ccm
58    then:
59      properties:
60        clocks:
61          items:
62            - description: 32k osc
63            - description: 25m osc
64            - description: 27m osc
65            - description: ext1 clock input
66            - description: ext2 clock input
67            - description: ext3 clock input
68            - description: ext4 clock input
69        clock-names:
70          items:
71            - const: ckil
72            - const: osc_25m
73            - const: osc_27m
74            - const: clk_ext1
75            - const: clk_ext2
76            - const: clk_ext3
77            - const: clk_ext4
78    else:
79      properties:
80        clocks:
81          items:
82            - description: 32k osc
83            - description: 24m osc
84            - description: ext1 clock input
85            - description: ext2 clock input
86            - description: ext3 clock input
87            - description: ext4 clock input
88
89        clock-names:
90          items:
91            - const: osc_32k
92            - const: osc_24m
93            - const: clk_ext1
94            - const: clk_ext2
95            - const: clk_ext3
96            - const: clk_ext4
97
98additionalProperties: false
99
100examples:
101  # Clock Control Module node:
102  - |
103    clock-controller@30380000 {
104        compatible = "fsl,imx8mm-ccm";
105        reg = <0x30380000 0x10000>;
106        #clock-cells = <1>;
107        clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>, <&clk_ext2>,
108                 <&clk_ext3>, <&clk_ext4>;
109        clock-names = "osc_32k", "osc_24m", "clk_ext1", "clk_ext2",
110                      "clk_ext3", "clk_ext4";
111    };
112
113  - |
114    clock-controller@30380000 {
115        compatible = "fsl,imx8mq-ccm";
116        reg = <0x30380000 0x10000>;
117        #clock-cells = <1>;
118        clocks = <&ckil>, <&osc_25m>, <&osc_27m>, <&clk_ext1>,
119                 <&clk_ext2>, <&clk_ext3>, <&clk_ext4>;
120        clock-names = "ckil", "osc_25m", "osc_27m", "clk_ext1",
121                      "clk_ext2", "clk_ext3", "clk_ext4";
122    };
123
124...
125