Documentation/devicetree/bindings/clock/canaan,k210-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/canaan,k210-clk.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Canaan Kendryte K210 Clock Device Tree Bindings
   8
   9 maintainers:
  10   - Damien Le Moal <damien.lemoal@wdc.com>
  11
  12 description: |
  13   Canaan Kendryte K210 SoC clocks driver bindings. The clock
  14   controller node must be defined as a child node of the K210
  15   system controller node.
  16
  17   See also:
  18   - dt-bindings/clock/k210-clk.h
  19
  20 properties:
  21   compatible:
  22     const: canaan,k210-clk
  23
  24   clocks:
  25     maxItems: 1
  26     description:
  27       Phandle of the SoC 26MHz fixed-rate oscillator clock.
  28
  29   '#clock-cells':
  30     const: 1
  31
  32 required:
  33   - compatible
  34   - '#clock-cells'
  35   - clocks
  36
  37 additionalProperties: false
  38
  39 examples:
  40   - |
  41     #include <dt-bindings/clock/k210-clk.h>
  42     clocks {
  43       in0: oscillator {
  44         compatible = "fixed-clock";
  45         #clock-cells = <0>;
  46         clock-frequency = <26000000>;
  47       };
  48     };
  49
  50     /* ... */
  51     sysclk: clock-controller {
  52       #clock-cells = <1>;
  53       compatible = "canaan,k210-clk";
  54       clocks = <&in0>;
  55     };