Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/clock/loongson,ls2k-clk.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Loongson-2 SoC Clock Control Module
   8
   9 maintainers:
  10   - Yinbo Zhu <zhuyinbo@loongson.cn>
  11
  12 description: |
  13   Loongson-2 SoC clock control module is an integrated clock controller, which
  14   generates and supplies to all modules.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - loongson,ls2k-clk
  20
  21   reg:
  22     maxItems: 1
  23
  24   clocks:
  25     items:
  26       - description: 100m ref
  27
  28   clock-names:
  29     items:
  30       - const: ref_100m
  31
  32   '#clock-cells':
  33     const: 1
  34     description:
  35       The clock consumer should specify the desired clock by having the clock
  36       ID in its "clocks" phandle cell. See include/dt-bindings/clock/loongson,ls2k-clk.h
  37       for the full list of Loongson-2 SoC clock IDs.
  38
  39 required:
  40   - compatible
  41   - reg
  42   - clocks
  43   - clock-names
  44   - '#clock-cells'
  45
  46 additionalProperties: false
  47
  48 examples:
  49   - |
  50     ref_100m: clock-ref-100m {
  51         compatible = "fixed-clock";
  52         #clock-cells = <0>;
  53         clock-frequency = <100000000>;
  54         clock-output-names = "ref_100m";
  55     };
  56
  57     clk: clock-controller@1fe00480 {
  58         compatible = "loongson,ls2k-clk";
  59         reg = <0x1fe00480 0x58>;
  60         #clock-cells = <1>;
  61         clocks = <&ref_100m>;
  62         clock-names = "ref_100m";
  63     };