bindings/clock/canaan%2Ck210-clk.yaml

0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/clock/canaan,k210-clk.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Canaan Kendryte K210 Clock Device Tree Bindings
0008
0009 maintainers:
0010   - Damien Le Moal <damien.lemoal@wdc.com>
0011
0012 description: |
0013   Canaan Kendryte K210 SoC clocks driver bindings. The clock
0014   controller node must be defined as a child node of the K210
0015   system controller node.
0016
0017   See also:
0018   - dt-bindings/clock/k210-clk.h
0019
0020 properties:
0021   compatible:
0022     const: canaan,k210-clk
0023
0024   clocks:
0025     maxItems: 1
0026     description:
0027       Phandle of the SoC 26MHz fixed-rate oscillator clock.
0028
0029   '#clock-cells':
0030     const: 1
0031
0032 required:
0033   - compatible
0034   - '#clock-cells'
0035   - clocks
0036
0037 additionalProperties: false
0038
0039 examples:
0040   - |
0041     #include <dt-bindings/clock/k210-clk.h>
0042     clocks {
0043       in0: oscillator {
0044         compatible = "fixed-clock";
0045         #clock-cells = <0>;
0046         clock-frequency = <26000000>;
0047       };
0048     };
0049
0050     /* ... */
0051     sysclk: clock-controller {
0052       #clock-cells = <1>;
0053       compatible = "canaan,k210-clk";
0054       clocks = <&in0>;
0055     };