Documentation/devicetree/bindings/clock/imx8mq-clock.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/clock/imx8mq-clock.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: NXP i.MX8M Quad Clock Control Module Binding
   8
   9 maintainers:
  10   - Anson Huang <Anson.Huang@nxp.com>
  11
  12 description: |
  13   NXP i.MX8M Quad clock control module is an integrated clock controller, which
  14   generates and supplies to all modules.
  15
  16 properties:
  17   compatible:
  18     const: fsl,imx8mq-ccm
  19
  20   reg:
  21     maxItems: 1
  22
  23   clocks:
  24     items:
  25       - description: 32k osc
  26       - description: 25m osc
  27       - description: 27m osc
  28       - description: ext1 clock input
  29       - description: ext2 clock input
  30       - description: ext3 clock input
  31       - description: ext4 clock input
  32
  33   clock-names:
  34     items:
  35       - const: ckil
  36       - const: osc_25m
  37       - const: osc_27m
  38       - const: clk_ext1
  39       - const: clk_ext2
  40       - const: clk_ext3
  41       - const: clk_ext4
  42
  43   '#clock-cells':
  44     const: 1
  45     description:
  46       The clock consumer should specify the desired clock by having the clock
  47       ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mq-clock.h
  48       for the full list of i.MX8M Quad clock IDs.
  49
  50 required:
  51   - compatible
  52   - reg
  53   - clocks
  54   - clock-names
  55   - '#clock-cells'
  56
  57 examples:
  58   # Clock Control Module node:
  59   - |
  60     clk: clock-controller@30380000 {
  61         compatible = "fsl,imx8mq-ccm";
  62         reg = <0x30380000 0x10000>;
  63         #clock-cells = <1>;
  64         clocks = <&ckil>, <&osc_25m>, <&osc_27m>,
  65                  <&clk_ext1>, <&clk_ext2>,
  66                  <&clk_ext3>, <&clk_ext4>;
  67         clock-names = "ckil", "osc_25m", "osc_27m",
  68                       "clk_ext1", "clk_ext2",
  69                       "clk_ext3", "clk_ext4";
  70     };
  71
  72 ...