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