Documentation/devicetree/bindings/clock/imx8m-clock.yaml

   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   - Anson Huang <Anson.Huang@nxp.com>
  11
  12 description: |
  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
  16 properties:
  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
  45 required:
  46   - compatible
  47   - reg
  48   - clocks
  49   - clock-names
  50   - '#clock-cells'
  51
  52 allOf:
  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
  98 additionalProperties: false
  99
 100 examples:
 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 ...