Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml
Extension
.yaml
Size
2053 bytes
Lines
79
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/amlogic,a1-peripherals-clkc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic A1 Peripherals Clock Control Unit

maintainers:
  - Neil Armstrong <neil.armstrong@linaro.org>
  - Jerome Brunet <jbrunet@baylibre.com>
  - Jian Hu <jian.hu@jian.hu.com>
  - Dmitry Rokosov <ddrokosov@sberdevices.ru>

properties:
  compatible:
    const: amlogic,a1-peripherals-clkc

  '#clock-cells':
    const: 1

  reg:
    maxItems: 1

  clocks:
    items:
      - description: input fixed pll div2
      - description: input fixed pll div3
      - description: input fixed pll div5
      - description: input fixed pll div7
      - description: input hifi pll
      - description: input oscillator (usually at 24MHz)
      - description: input sys pll
    minItems: 6 # sys_pll is optional

  clock-names:
    items:
      - const: fclk_div2
      - const: fclk_div3
      - const: fclk_div5
      - const: fclk_div7
      - const: hifi_pll
      - const: xtal
      - const: sys_pll
    minItems: 6 # sys_pll is optional

required:
  - compatible
  - '#clock-cells'
  - reg
  - clocks
  - clock-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
    apb {
        #address-cells = <2>;
        #size-cells = <2>;

        clock-controller@800 {
            compatible = "amlogic,a1-peripherals-clkc";
            reg = <0 0x800 0 0x104>;
            #clock-cells = <1>;
            clocks = <&clkc_pll CLKID_FCLK_DIV2>,
                     <&clkc_pll CLKID_FCLK_DIV3>,
                     <&clkc_pll CLKID_FCLK_DIV5>,
                     <&clkc_pll CLKID_FCLK_DIV7>,

Annotation

Implementation Notes