imx8m-clock.yaml

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    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 Binding
    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   clocks:
   28     minItems: 6
   29     maxItems: 7
   30 
   31   clock-names:
   32     minItems: 6
   33     maxItems: 7
   34 
   35   '#clock-cells':
   36     const: 1
   37     description:
   38       The clock consumer should specify the desired clock by having the clock
   39       ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8m-clock.h
   40       for the full list of i.MX8M clock IDs.
   41 
   42 required:
   43   - compatible
   44   - reg
   45   - clocks
   46   - clock-names
   47   - '#clock-cells'
   48 
   49 allOf:
   50   - if:
   51       properties:
   52         compatible:
   53           contains:
   54             const: fsl,imx8mq-ccm
   55     then:
   56       properties:
   57         clocks:
   58           items:
   59             - description: 32k osc
   60             - description: 25m osc
   61             - description: 27m osc
   62             - description: ext1 clock input
   63             - description: ext2 clock input
   64             - description: ext3 clock input
   65             - description: ext4 clock input
   66         clock-names:
   67           items:
   68             - const: ckil
   69             - const: osc_25m
   70             - const: osc_27m
   71             - const: clk_ext1
   72             - const: clk_ext2
   73             - const: clk_ext3
   74             - const: clk_ext4
   75     else:
   76       properties:
   77         clocks:
   78           items:
   79             - description: 32k osc
   80             - description: 24m osc
   81             - description: ext1 clock input
   82             - description: ext2 clock input
   83             - description: ext3 clock input
   84             - description: ext4 clock input
   85 
   86         clock-names:
   87           items:
   88             - const: osc_32k
   89             - const: osc_24m
   90             - const: clk_ext1
   91             - const: clk_ext2
   92             - const: clk_ext3
   93             - const: clk_ext4
   94 
   95 additionalProperties: false
   96 
   97 examples:
   98   # Clock Control Module node:
   99   - |
  100     clock-controller@30380000 {
  101         compatible = "fsl,imx8mm-ccm";
  102         reg = <0x30380000 0x10000>;
  103         #clock-cells = <1>;
  104         clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>, <&clk_ext2>,
  105                  <&clk_ext3>, <&clk_ext4>;
  106         clock-names = "osc_32k", "osc_24m", "clk_ext1", "clk_ext2",
  107                       "clk_ext3", "clk_ext4";
  108     };
  109 
  110   - |
  111     clock-controller@30390000 {
  112         compatible = "fsl,imx8mq-ccm";
  113         reg = <0x30380000 0x10000>;
  114         #clock-cells = <1>;
  115         clocks = <&ckil>, <&osc_25m>, <&osc_27m>, <&clk_ext1>,
  116                  <&clk_ext2>, <&clk_ext3>, <&clk_ext4>;
  117         clock-names = "ckil", "osc_25m", "osc_27m", "clk_ext1",
  118                       "clk_ext2", "clk_ext3", "clk_ext4";
  119     };
  120 
  121 ...

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