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 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 ...